Beispiel #1
0
            def createEditor(self, parent, options, index):
                nonlocal owwidget
                edit = QLineEdit(parent)
                wordlist = [''] + ToLatLon.valid_values(
                    owwidget.ID_TYPE[owwidget.str_type])
                edit.setCompleter(
                    QCompleter(wordlist,
                               edit,
                               caseSensitivity=Qt.CaseInsensitive,
                               filterMode=Qt.MatchContains))

                def save_and_commit():
                    if edit.text() and edit.text() in wordlist:
                        model = index.model()
                        pindex = QPersistentModelIndex(index)
                        if pindex.isValid():
                            new_index = pindex.sibling(pindex.row(),
                                                       pindex.column())
                            save = model.setData(new_index, edit.text(),
                                                 Qt.EditRole)
                            if save:
                                owwidget.commit()
                                return
                    edit.clear()

                edit.editingFinished.connect(save_and_commit)
                return edit
Beispiel #2
0
 def createEditor(self, p_int, parent):
     nonlocal owwidget
     edit = QLineEdit(parent)
     wordlist = [''] + ToLatLon.valid_values(
         owwidget.ID_TYPE[owwidget.str_type])
     edit.setCompleter(
         QCompleter(wordlist,
                    edit,
                    caseSensitivity=Qt.CaseInsensitive,
                    filterMode=Qt.MatchContains))
     return edit
    def createEditor(self, parent, options, index: QModelIndex):
        model = index.model()  # type: EditableTableModel
        if not model.is_discrete(index.column()):
            return super().createEditor(parent, options, index)

        vals = model.discrete_vals(index.column())
        edit = QLineEdit(parent)
        edit.setCompleter(QCompleter(vals, edit, filterMode=Qt.MatchContains))

        def save():
            if edit.text():
                model.setData(index, edit.text())

        edit.editingFinished.connect(save)
        return edit
Beispiel #4
0
class OWSelectAttributes(widget.OWWidget):
    name = "Select Columns"
    description = "Select columns from the data table and assign them to " \
                  "data features, classes or meta variables."
    icon = "icons/SelectColumns.svg"
    priority = 100
    inputs = [("Data", Table, "set_data")]
    outputs = [("Data", Table), ("Features", widget.AttributeList)]

    want_main_area = False
    want_control_area = True

    settingsHandler = SelectAttributesDomainContextHandler()
    domain_role_hints = ContextSetting({})
    auto_commit = Setting(False)

    def __init__(self):
        super().__init__()
        self.controlArea = QWidget(self.controlArea)
        self.layout().addWidget(self.controlArea)
        layout = QGridLayout()
        self.controlArea.setLayout(layout)
        layout.setContentsMargins(4, 4, 4, 4)
        box = gui.vBox(self.controlArea, "Available Variables",
                       addToLayout=False)
        self.filter_edit = QLineEdit()
        self.filter_edit.setToolTip("Filter the list of available variables.")
        box.layout().addWidget(self.filter_edit)
        if hasattr(self.filter_edit, "setPlaceholderText"):
            self.filter_edit.setPlaceholderText("Filter")

        self.completer = QCompleter()
        self.completer.setCompletionMode(QCompleter.InlineCompletion)
        self.completer_model = QStringListModel()
        self.completer.setModel(self.completer_model)
        self.completer.setModelSorting(
            QCompleter.CaseSensitivelySortedModel)

        self.filter_edit.setCompleter(self.completer)
        self.completer_navigator = CompleterNavigator(self)
        self.filter_edit.installEventFilter(self.completer_navigator)

        def dropcompleted(action):
            if action == Qt.MoveAction:
                self.commit()

        self.available_attrs = VariableListModel(enable_dnd=True)
        self.available_attrs_proxy = VariableFilterProxyModel()
        self.available_attrs_proxy.setSourceModel(self.available_attrs)
        self.available_attrs_view = VariablesListItemView(
            acceptedType=Orange.data.Variable)
        self.available_attrs_view.setModel(self.available_attrs_proxy)

        aa = self.available_attrs
        aa.dataChanged.connect(self.update_completer_model)
        aa.rowsInserted.connect(self.update_completer_model)
        aa.rowsRemoved.connect(self.update_completer_model)

        self.available_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.available_attrs_view))
        self.available_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        self.filter_edit.textChanged.connect(self.update_completer_prefix)
        self.filter_edit.textChanged.connect(
            self.available_attrs_proxy.set_filter_string)

        box.layout().addWidget(self.available_attrs_view)
        layout.addWidget(box, 0, 0, 3, 1)

        box = gui.vBox(self.controlArea, "Features", addToLayout=False)
        self.used_attrs = VariableListModel(enable_dnd=True)
        self.used_attrs_view = VariablesListItemView(
            acceptedType=(Orange.data.DiscreteVariable,
                          Orange.data.ContinuousVariable))

        self.used_attrs_view.setModel(self.used_attrs)
        self.used_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.used_attrs_view))
        self.used_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        box.layout().addWidget(self.used_attrs_view)
        layout.addWidget(box, 0, 2, 1, 1)

        box = gui.vBox(self.controlArea, "Target Variable", addToLayout=False)
        self.class_attrs = ClassVarListItemModel(enable_dnd=True)
        self.class_attrs_view = ClassVariableItemView(
            acceptedType=(Orange.data.DiscreteVariable,
                          Orange.data.ContinuousVariable))
        self.class_attrs_view.setModel(self.class_attrs)
        self.class_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.class_attrs_view))
        self.class_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        self.class_attrs_view.setMaximumHeight(24)
        box.layout().addWidget(self.class_attrs_view)
        layout.addWidget(box, 1, 2, 1, 1)

        box = gui.vBox(self.controlArea, "Meta Attributes", addToLayout=False)
        self.meta_attrs = VariableListModel(enable_dnd=True)
        self.meta_attrs_view = VariablesListItemView(
            acceptedType=Orange.data.Variable)
        self.meta_attrs_view.setModel(self.meta_attrs)
        self.meta_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.meta_attrs_view))
        self.meta_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        box.layout().addWidget(self.meta_attrs_view)
        layout.addWidget(box, 2, 2, 1, 1)

        bbox = gui.vBox(self.controlArea, addToLayout=False, margin=0)
        layout.addWidget(bbox, 0, 1, 1, 1)

        self.up_attr_button = gui.button(bbox, self, "Up",
            callback=partial(self.move_up, self.used_attrs_view))
        self.move_attr_button = gui.button(bbox, self, ">",
            callback=partial(self.move_selected, self.used_attrs_view))
        self.down_attr_button = gui.button(bbox, self, "Down",
            callback=partial(self.move_down, self.used_attrs_view))

        bbox = gui.vBox(self.controlArea, addToLayout=False, margin=0)
        layout.addWidget(bbox, 1, 1, 1, 1)
        self.move_class_button = gui.button(bbox, self, ">",
            callback=partial(self.move_selected,
                             self.class_attrs_view, exclusive=True))

        bbox = gui.vBox(self.controlArea, addToLayout=False, margin=0)
        layout.addWidget(bbox, 2, 1, 1, 1)
        self.up_meta_button = gui.button(bbox, self, "Up",
            callback=partial(self.move_up, self.meta_attrs_view))
        self.move_meta_button = gui.button(bbox, self, ">",
            callback=partial(self.move_selected, self.meta_attrs_view))
        self.down_meta_button = gui.button(bbox, self, "Down",
            callback=partial(self.move_down, self.meta_attrs_view))

        autobox = gui.auto_commit(None, self, "auto_commit", "Send")
        layout.addWidget(autobox, 3, 0, 1, 3)
        reset = gui.button(None, self, "Reset", callback=self.reset)
        autobox.layout().insertWidget(0, self.report_button)
        autobox.layout().insertWidget(1, reset)
        autobox.layout().insertSpacing(2, 10)
        reset.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
        self.report_button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)

        layout.setRowStretch(0, 4)
        layout.setRowStretch(1, 0)
        layout.setRowStretch(2, 2)
        layout.setHorizontalSpacing(0)
        self.controlArea.setLayout(layout)

        self.data = None
        self.output_data = None
        self.original_completer_items = []

        self.resize(500, 600)

    def set_data(self, data=None):
        self.update_domain_role_hints()
        self.closeContext()
        self.data = data
        if data is not None:
            self.openContext(data)
            all_vars = data.domain.variables + data.domain.metas

            var_sig = lambda attr: (attr.name, vartype(attr))

            domain_hints = {var_sig(attr): ("attribute", i)
                            for i, attr in enumerate(data.domain.attributes)}

            domain_hints.update({var_sig(attr): ("meta", i)
                                for i, attr in enumerate(data.domain.metas)})

            if data.domain.class_vars:
                domain_hints.update(
                    {var_sig(attr): ("class", i)
                     for i, attr in enumerate(data.domain.class_vars)})

            # update the hints from context settings
            domain_hints.update(self.domain_role_hints)

            attrs_for_role = lambda role: [
                (domain_hints[var_sig(attr)][1], attr)
                for attr in all_vars if domain_hints[var_sig(attr)][0] == role]

            attributes = [
                attr for place, attr in sorted(attrs_for_role("attribute"),
                                               key=lambda a: a[0])]
            classes = [
                attr for place, attr in sorted(attrs_for_role("class"),
                                               key=lambda a: a[0])]
            metas = [
                attr for place, attr in sorted(attrs_for_role("meta"),
                                               key=lambda a: a[0])]
            available = [
                attr for place, attr in sorted(attrs_for_role("available"),
                                               key=lambda a: a[0])]

            self.used_attrs[:] = attributes
            self.class_attrs[:] = classes
            self.meta_attrs[:] = metas
            self.available_attrs[:] = available
        else:
            self.used_attrs[:] = []
            self.class_attrs[:] = []
            self.meta_attrs[:] = []
            self.available_attrs[:] = []

        self.unconditional_commit()

    def update_domain_role_hints(self):
        """ Update the domain hints to be stored in the widgets settings.
        """
        hints_from_model = lambda role, model: [
            ((attr.name, vartype(attr)), (role, i))
            for i, attr in enumerate(model)]
        hints = dict(hints_from_model("available", self.available_attrs))
        hints.update(hints_from_model("attribute", self.used_attrs))
        hints.update(hints_from_model("class", self.class_attrs))
        hints.update(hints_from_model("meta", self.meta_attrs))
        self.domain_role_hints = hints

    def selected_rows(self, view):
        """ Return the selected rows in the view.
        """
        rows = view.selectionModel().selectedRows()
        model = view.model()
        if isinstance(model, QSortFilterProxyModel):
            rows = [model.mapToSource(r) for r in rows]
        return [r.row() for r in rows]

    def move_rows(self, view, rows, offset):
        model = view.model()
        newrows = [min(max(0, row + offset), len(model) - 1) for row in rows]

        for row, newrow in sorted(zip(rows, newrows), reverse=offset > 0):
            model[row], model[newrow] = model[newrow], model[row]

        selection = QItemSelection()
        for nrow in newrows:
            index = model.index(nrow, 0)
            selection.select(index, index)
        view.selectionModel().select(
            selection, QItemSelectionModel.ClearAndSelect)

        self.commit()

    def move_up(self, view):
        selected = self.selected_rows(view)
        self.move_rows(view, selected, -1)

    def move_down(self, view):
        selected = self.selected_rows(view)
        self.move_rows(view, selected, 1)

    def move_selected(self, view, exclusive=False):
        if self.selected_rows(view):
            self.move_selected_from_to(view, self.available_attrs_view)
        elif self.selected_rows(self.available_attrs_view):
            self.move_selected_from_to(self.available_attrs_view, view,
                                       exclusive)

    def move_selected_from_to(self, src, dst, exclusive=False):
        self.move_from_to(src, dst, self.selected_rows(src), exclusive)

    def move_from_to(self, src, dst, rows, exclusive=False):
        src_model = source_model(src)
        attrs = [src_model[r] for r in rows]

        if exclusive and len(attrs) != 1:
            return

        for s1, s2 in reversed(list(slices(rows))):
            del src_model[s1:s2]

        dst_model = source_model(dst)
        if exclusive and len(dst_model) > 0:
            src_model.append(dst_model[0])
            del dst_model[0]

        dst_model.extend(attrs)

        self.commit()

    def update_interface_state(self, focus=None, selected=None, deselected=None):
        for view in [self.available_attrs_view, self.used_attrs_view,
                     self.class_attrs_view, self.meta_attrs_view]:
            if view is not focus and not view.hasFocus() and self.selected_rows(view):
                view.selectionModel().clear()

        def selected_vars(view):
            model = source_model(view)
            return [model[i] for i in self.selected_rows(view)]

        available_selected = selected_vars(self.available_attrs_view)
        attrs_selected = selected_vars(self.used_attrs_view)
        class_selected = selected_vars(self.class_attrs_view)
        meta_selected = selected_vars(self.meta_attrs_view)

        available_types = set(map(type, available_selected))
        all_primitive = all(var.is_primitive()
                            for var in available_types)

        move_attr_enabled = (available_selected and all_primitive) or \
                            attrs_selected

        self.move_attr_button.setEnabled(bool(move_attr_enabled))
        if move_attr_enabled:
            self.move_attr_button.setText(">" if available_selected else "<")

        move_class_enabled = (len(available_selected) == 1 and all_primitive) or \
                             class_selected

        self.move_class_button.setEnabled(bool(move_class_enabled))
        if move_class_enabled:
            self.move_class_button.setText(">" if available_selected else "<")
        move_meta_enabled = available_selected or meta_selected

        self.move_meta_button.setEnabled(bool(move_meta_enabled))
        if move_meta_enabled:
            self.move_meta_button.setText(">" if available_selected else "<")

    def update_completer_model(self, *_):
        """ This gets called when the model for available attributes changes
        through either drag/drop or the left/right button actions.

        """
        vars = list(self.available_attrs)
        items = [var.name for var in vars]
        items += ["%s=%s" % item for v in vars for item in v.attributes.items()]

        new = sorted(set(items))
        if new != self.original_completer_items:
            self.original_completer_items = new
            self.completer_model.setStringList(self.original_completer_items)

    def update_completer_prefix(self, filter):
        """ Prefixes all items in the completer model with the current
        already done completion to enable the completion of multiple keywords.
        """
        prefix = str(self.completer.completionPrefix())
        if not prefix.endswith(" ") and " " in prefix:
            prefix, _ = prefix.rsplit(" ", 1)
            items = [prefix + " " + item
                     for item in self.original_completer_items]
        else:
            items = self.original_completer_items
        old = list(map(str, self.completer_model.stringList()))

        if set(old) != set(items):
            self.completer_model.setStringList(items)

    def commit(self):
        self.update_domain_role_hints()
        if self.data is not None:
            attributes = list(self.used_attrs)
            class_var = list(self.class_attrs)
            metas = list(self.meta_attrs)

            domain = Orange.data.Domain(attributes, class_var, metas)
            newdata = self.data.from_table(domain, self.data)
            self.output_data = newdata
            self.send("Data", newdata)
            self.send("Features", widget.AttributeList(attributes))
        else:
            self.output_data = None
            self.send("Data", None)
            self.send("Features", None)

    def reset(self):
        if self.data is not None:
            self.available_attrs[:] = []
            self.used_attrs[:] = self.data.domain.attributes
            self.class_attrs[:] = self.data.domain.class_vars
            self.meta_attrs[:] = self.data.domain.metas
            self.update_domain_role_hints()
            self.commit()

    def send_report(self):
        if not self.data or not self.output_data:
            return
        in_domain, out_domain = self.data.domain, self.output_data.domain
        self.report_domain("Input data", self.data.domain)
        if (in_domain.attributes, in_domain.class_vars, in_domain.metas) == (
                out_domain.attributes, out_domain.class_vars, out_domain.metas):
            self.report_paragraph("Output data", "No changes.")
        else:
            self.report_domain("Output data", self.output_data.domain)
            diff = list(set(in_domain.variables + in_domain.metas) -
                        set(out_domain.variables + out_domain.metas))
            if diff:
                text = "%i (%s)" % (len(diff), ", ".join(x.name for x in diff))
                self.report_items((("Removed", text),))
class OWSelectAttributes(widget.OWWidget):
    name = "Select Columns"
    description = "Select columns from the data table and assign them to " \
                  "data features, classes or meta variables."
    icon = "icons/SelectColumns.svg"
    priority = 100

    class Inputs:
        data = Input("Data", Table)

    class Outputs:
        data = Output("Data", Table)
        features = Output("Features", widget.AttributeList, dynamic=False)

    want_main_area = False
    want_control_area = True

    settingsHandler = SelectAttributesDomainContextHandler()
    domain_role_hints = ContextSetting({})
    auto_commit = Setting(True)

    def __init__(self):
        super().__init__()
        self.controlArea = QWidget(self.controlArea)
        self.layout().addWidget(self.controlArea)
        layout = QGridLayout()
        self.controlArea.setLayout(layout)
        layout.setContentsMargins(4, 4, 4, 4)
        box = gui.vBox(self.controlArea,
                       "Available Variables",
                       addToLayout=False)
        self.filter_edit = QLineEdit()
        self.filter_edit.setToolTip("Filter the list of available variables.")
        box.layout().addWidget(self.filter_edit)
        if hasattr(self.filter_edit, "setPlaceholderText"):
            self.filter_edit.setPlaceholderText("Filter")

        self.completer = QCompleter()
        self.completer.setCompletionMode(QCompleter.InlineCompletion)
        self.completer_model = QStringListModel()
        self.completer.setModel(self.completer_model)
        self.completer.setModelSorting(QCompleter.CaseSensitivelySortedModel)

        self.filter_edit.setCompleter(self.completer)
        self.completer_navigator = CompleterNavigator(self)
        self.filter_edit.installEventFilter(self.completer_navigator)

        def dropcompleted(action):
            if action == Qt.MoveAction:
                self.commit()

        self.available_attrs = VariableListModel(enable_dnd=True)
        self.available_attrs_proxy = VariableFilterProxyModel()
        self.available_attrs_proxy.setSourceModel(self.available_attrs)
        self.available_attrs_view = VariablesListItemView(
            acceptedType=Orange.data.Variable)
        self.available_attrs_view.setModel(self.available_attrs_proxy)

        aa = self.available_attrs
        aa.dataChanged.connect(self.update_completer_model)
        aa.rowsInserted.connect(self.update_completer_model)
        aa.rowsRemoved.connect(self.update_completer_model)

        self.available_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.available_attrs_view))
        self.available_attrs_view.dragDropActionDidComplete.connect(
            dropcompleted)
        self.filter_edit.textChanged.connect(self.update_completer_prefix)
        self.filter_edit.textChanged.connect(
            self.available_attrs_proxy.set_filter_string)

        box.layout().addWidget(self.available_attrs_view)
        layout.addWidget(box, 0, 0, 3, 1)

        box = gui.vBox(self.controlArea, "Features", addToLayout=False)
        self.used_attrs = VariableListModel(enable_dnd=True)
        self.used_attrs_view = VariablesListItemView(
            acceptedType=(Orange.data.DiscreteVariable,
                          Orange.data.ContinuousVariable))

        self.used_attrs_view.setModel(self.used_attrs)
        self.used_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.used_attrs_view))
        self.used_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        box.layout().addWidget(self.used_attrs_view)
        layout.addWidget(box, 0, 2, 1, 1)

        box = gui.vBox(self.controlArea, "Target Variable", addToLayout=False)
        self.class_attrs = ClassVarListItemModel(enable_dnd=True)
        self.class_attrs_view = ClassVariableItemView(
            acceptedType=(Orange.data.DiscreteVariable,
                          Orange.data.ContinuousVariable))
        self.class_attrs_view.setModel(self.class_attrs)
        self.class_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.class_attrs_view))
        self.class_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        self.class_attrs_view.setMaximumHeight(72)
        box.layout().addWidget(self.class_attrs_view)
        layout.addWidget(box, 1, 2, 1, 1)

        box = gui.vBox(self.controlArea, "Meta Attributes", addToLayout=False)
        self.meta_attrs = VariableListModel(enable_dnd=True)
        self.meta_attrs_view = VariablesListItemView(
            acceptedType=Orange.data.Variable)
        self.meta_attrs_view.setModel(self.meta_attrs)
        self.meta_attrs_view.selectionModel().selectionChanged.connect(
            partial(self.update_interface_state, self.meta_attrs_view))
        self.meta_attrs_view.dragDropActionDidComplete.connect(dropcompleted)
        box.layout().addWidget(self.meta_attrs_view)
        layout.addWidget(box, 2, 2, 1, 1)

        bbox = gui.vBox(self.controlArea, addToLayout=False, margin=0)
        layout.addWidget(bbox, 0, 1, 1, 1)

        self.up_attr_button = gui.button(bbox,
                                         self,
                                         "Up",
                                         callback=partial(
                                             self.move_up,
                                             self.used_attrs_view))
        self.move_attr_button = gui.button(bbox,
                                           self,
                                           ">",
                                           callback=partial(
                                               self.move_selected,
                                               self.used_attrs_view))
        self.down_attr_button = gui.button(bbox,
                                           self,
                                           "Down",
                                           callback=partial(
                                               self.move_down,
                                               self.used_attrs_view))

        bbox = gui.vBox(self.controlArea, addToLayout=False, margin=0)
        layout.addWidget(bbox, 1, 1, 1, 1)

        self.up_class_button = gui.button(bbox,
                                          self,
                                          "Up",
                                          callback=partial(
                                              self.move_up,
                                              self.class_attrs_view))
        self.move_class_button = gui.button(bbox,
                                            self,
                                            ">",
                                            callback=partial(
                                                self.move_selected,
                                                self.class_attrs_view,
                                                exclusive=False))
        self.down_class_button = gui.button(bbox,
                                            self,
                                            "Down",
                                            callback=partial(
                                                self.move_down,
                                                self.class_attrs_view))

        bbox = gui.vBox(self.controlArea, addToLayout=False, margin=0)
        layout.addWidget(bbox, 2, 1, 1, 1)
        self.up_meta_button = gui.button(bbox,
                                         self,
                                         "Up",
                                         callback=partial(
                                             self.move_up,
                                             self.meta_attrs_view))
        self.move_meta_button = gui.button(bbox,
                                           self,
                                           ">",
                                           callback=partial(
                                               self.move_selected,
                                               self.meta_attrs_view))
        self.down_meta_button = gui.button(bbox,
                                           self,
                                           "Down",
                                           callback=partial(
                                               self.move_down,
                                               self.meta_attrs_view))

        autobox = gui.auto_commit(None, self, "auto_commit", "Send")
        layout.addWidget(autobox, 3, 0, 1, 3)
        reset = gui.button(None, self, "Reset", callback=self.reset)
        autobox.layout().insertWidget(0, self.report_button)
        autobox.layout().insertWidget(1, reset)
        autobox.layout().insertSpacing(2, 10)
        reset.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
        self.report_button.setSizePolicy(QSizePolicy.Expanding,
                                         QSizePolicy.Preferred)

        layout.setRowStretch(0, 4)
        layout.setRowStretch(1, 0)
        layout.setRowStretch(2, 2)
        layout.setHorizontalSpacing(0)
        self.controlArea.setLayout(layout)

        self.data = None
        self.output_data = None
        self.original_completer_items = []

        self.resize(500, 600)

    @Inputs.data
    def set_data(self, data=None):
        self.update_domain_role_hints()
        self.closeContext()
        self.data = data
        if data is not None:
            self.openContext(data)
            all_vars = data.domain.variables + data.domain.metas

            var_sig = lambda attr: (attr.name, vartype(attr))

            domain_hints = {
                var_sig(attr): ("attribute", i)
                for i, attr in enumerate(data.domain.attributes)
            }

            domain_hints.update({
                var_sig(attr): ("meta", i)
                for i, attr in enumerate(data.domain.metas)
            })

            if data.domain.class_vars:
                domain_hints.update({
                    var_sig(attr): ("class", i)
                    for i, attr in enumerate(data.domain.class_vars)
                })

            # update the hints from context settings
            domain_hints.update(self.domain_role_hints)

            attrs_for_role = lambda role: [
                (domain_hints[var_sig(attr)][1], attr) for attr in all_vars
                if domain_hints[var_sig(attr)][0] == role
            ]

            attributes = [
                attr for place, attr in sorted(attrs_for_role("attribute"),
                                               key=lambda a: a[0])
            ]
            classes = [
                attr for place, attr in sorted(attrs_for_role("class"),
                                               key=lambda a: a[0])
            ]
            metas = [
                attr for place, attr in sorted(attrs_for_role("meta"),
                                               key=lambda a: a[0])
            ]
            available = [
                attr for place, attr in sorted(attrs_for_role("available"),
                                               key=lambda a: a[0])
            ]

            self.used_attrs[:] = attributes
            self.class_attrs[:] = classes
            self.meta_attrs[:] = metas
            self.available_attrs[:] = available
        else:
            self.used_attrs[:] = []
            self.class_attrs[:] = []
            self.meta_attrs[:] = []
            self.available_attrs[:] = []

        self.unconditional_commit()

    def update_domain_role_hints(self):
        """ Update the domain hints to be stored in the widgets settings.
        """
        hints_from_model = lambda role, model: [(
            (attr.name, vartype(attr)),
            (role, i)) for i, attr in enumerate(model)]
        hints = dict(hints_from_model("available", self.available_attrs))
        hints.update(hints_from_model("attribute", self.used_attrs))
        hints.update(hints_from_model("class", self.class_attrs))
        hints.update(hints_from_model("meta", self.meta_attrs))
        self.domain_role_hints = hints

    def selected_rows(self, view):
        """ Return the selected rows in the view.
        """
        rows = view.selectionModel().selectedRows()
        model = view.model()
        if isinstance(model, QSortFilterProxyModel):
            rows = [model.mapToSource(r) for r in rows]
        return [r.row() for r in rows]

    def move_rows(self, view, rows, offset):
        model = view.model()
        newrows = [min(max(0, row + offset), len(model) - 1) for row in rows]

        for row, newrow in sorted(zip(rows, newrows), reverse=offset > 0):
            model[row], model[newrow] = model[newrow], model[row]

        selection = QItemSelection()
        for nrow in newrows:
            index = model.index(nrow, 0)
            selection.select(index, index)
        view.selectionModel().select(selection,
                                     QItemSelectionModel.ClearAndSelect)

        self.commit()

    def move_up(self, view):
        selected = self.selected_rows(view)
        self.move_rows(view, selected, -1)

    def move_down(self, view):
        selected = self.selected_rows(view)
        self.move_rows(view, selected, 1)

    def move_selected(self, view, exclusive=False):
        if self.selected_rows(view):
            self.move_selected_from_to(view, self.available_attrs_view)
        elif self.selected_rows(self.available_attrs_view):
            self.move_selected_from_to(self.available_attrs_view, view,
                                       exclusive)

    def move_selected_from_to(self, src, dst, exclusive=False):
        self.move_from_to(src, dst, self.selected_rows(src), exclusive)

    def move_from_to(self, src, dst, rows, exclusive=False):
        src_model = source_model(src)
        attrs = [src_model[r] for r in rows]

        for s1, s2 in reversed(list(slices(rows))):
            del src_model[s1:s2]

        dst_model = source_model(dst)

        dst_model.extend(attrs)

        self.commit()

    def update_interface_state(self,
                               focus=None,
                               selected=None,
                               deselected=None):
        for view in [
                self.available_attrs_view, self.used_attrs_view,
                self.class_attrs_view, self.meta_attrs_view
        ]:
            if view is not focus and not view.hasFocus(
            ) and self.selected_rows(view):
                view.selectionModel().clear()

        def selected_vars(view):
            model = source_model(view)
            return [model[i] for i in self.selected_rows(view)]

        available_selected = selected_vars(self.available_attrs_view)
        attrs_selected = selected_vars(self.used_attrs_view)
        class_selected = selected_vars(self.class_attrs_view)
        meta_selected = selected_vars(self.meta_attrs_view)

        available_types = set(map(type, available_selected))
        all_primitive = all(var.is_primitive() for var in available_types)

        move_attr_enabled = (available_selected and all_primitive) or \
                            attrs_selected

        self.move_attr_button.setEnabled(bool(move_attr_enabled))
        if move_attr_enabled:
            self.move_attr_button.setText(">" if available_selected else "<")

        move_class_enabled = (all_primitive
                              and available_selected) or class_selected

        self.move_class_button.setEnabled(bool(move_class_enabled))
        if move_class_enabled:
            self.move_class_button.setText(">" if available_selected else "<")
        move_meta_enabled = available_selected or meta_selected

        self.move_meta_button.setEnabled(bool(move_meta_enabled))
        if move_meta_enabled:
            self.move_meta_button.setText(">" if available_selected else "<")

    def update_completer_model(self, *_):
        """ This gets called when the model for available attributes changes
        through either drag/drop or the left/right button actions.

        """
        vars = list(self.available_attrs)
        items = [var.name for var in vars]
        items += [
            "%s=%s" % item for v in vars for item in v.attributes.items()
        ]

        new = sorted(set(items))
        if new != self.original_completer_items:
            self.original_completer_items = new
            self.completer_model.setStringList(self.original_completer_items)

    def update_completer_prefix(self, filter):
        """ Prefixes all items in the completer model with the current
        already done completion to enable the completion of multiple keywords.
        """
        prefix = str(self.completer.completionPrefix())
        if not prefix.endswith(" ") and " " in prefix:
            prefix, _ = prefix.rsplit(" ", 1)
            items = [
                prefix + " " + item for item in self.original_completer_items
            ]
        else:
            items = self.original_completer_items
        old = list(map(str, self.completer_model.stringList()))

        if set(old) != set(items):
            self.completer_model.setStringList(items)

    def commit(self):
        self.update_domain_role_hints()
        if self.data is not None:
            attributes = list(self.used_attrs)
            class_var = list(self.class_attrs)
            metas = list(self.meta_attrs)

            domain = Orange.data.Domain(attributes, class_var, metas)
            newdata = self.data.transform(domain)
            self.output_data = newdata
            self.Outputs.data.send(newdata)
            self.Outputs.features.send(widget.AttributeList(attributes))
        else:
            self.output_data = None
            self.Outputs.data.send(None)
            self.Outputs.features.send(None)

    def reset(self):
        if self.data is not None:
            self.available_attrs[:] = []
            self.used_attrs[:] = self.data.domain.attributes
            self.class_attrs[:] = self.data.domain.class_vars
            self.meta_attrs[:] = self.data.domain.metas
            self.update_domain_role_hints()
            self.commit()

    def send_report(self):
        if not self.data or not self.output_data:
            return
        in_domain, out_domain = self.data.domain, self.output_data.domain
        self.report_domain("Input data", self.data.domain)
        if (in_domain.attributes, in_domain.class_vars,
                in_domain.metas) == (out_domain.attributes,
                                     out_domain.class_vars, out_domain.metas):
            self.report_paragraph("Output data", "No changes.")
        else:
            self.report_domain("Output data", self.output_data.domain)
            diff = list(
                set(in_domain.variables + in_domain.metas) -
                set(out_domain.variables + out_domain.metas))
            if diff:
                text = "%i (%s)" % (len(diff), ", ".join(x.name for x in diff))
                self.report_items((("Removed", text), ))
class OWDatabasesUpdate(OWWidget):

    name = "Databases Update"
    description = "Update local systems biology databases."
    icon = "../widgets/icons/Databases.svg"
    priority = 10

    inputs = []
    outputs = []

    want_main_area = False

    def __init__(self, parent=None, signalManager=None,
                 name="Databases update"):
        OWWidget.__init__(self, parent, signalManager, name,
                          wantMainArea=False)

        self.searchString = ""

        fbox = gui.widgetBox(self.controlArea, "Filter")
        self.completer = TokenListCompleter(
            self, caseSensitivity=Qt.CaseInsensitive)
        self.lineEditFilter = QLineEdit(textChanged=self.SearchUpdate)
        self.lineEditFilter.setCompleter(self.completer)

        fbox.layout().addWidget(self.lineEditFilter)

        box = gui.widgetBox(self.controlArea, "Files")

        self.filesView = QTreeWidget(self)
        self.filesView.setHeaderLabels(
            ["", "Data Source", "Update", "Last Updated", "Size"])

        self.filesView.setRootIsDecorated(False)
        self.filesView.setUniformRowHeights(True)
        self.filesView.setSelectionMode(QAbstractItemView.NoSelection)
        self.filesView.setSortingEnabled(True)
        self.filesView.sortItems(1, Qt.AscendingOrder)
        self.filesView.setItemDelegateForColumn(
            0, UpdateOptionsItemDelegate(self.filesView))

        self.filesView.model().layoutChanged.connect(self.SearchUpdate)

        box.layout().addWidget(self.filesView)

        box = gui.widgetBox(self.controlArea, orientation="horizontal")
        self.updateButton = gui.button(
            box, self, "Update all",
            callback=self.UpdateAll,
            tooltip="Update all updatable files",
         )

        self.downloadButton = gui.button(
            box, self, "Download all",
            callback=self.DownloadFiltered,
            tooltip="Download all filtered files shown"
        )

        self.cancelButton = gui.button(
            box, self, "Cancel", callback=self.Cancel,
            tooltip="Cancel scheduled downloads/updates."
        )

        self.retryButton = gui.button(
            box, self, "Reconnect", callback=self.RetrieveFilesList
        )
        self.retryButton.hide()

        gui.rubber(box)
        self.warning(0)

        box = gui.widgetBox(self.controlArea, orientation="horizontal")
        gui.rubber(box)

        self.infoLabel = QLabel()
        self.infoLabel.setAlignment(Qt.AlignCenter)

        self.controlArea.layout().addWidget(self.infoLabel)
        self.infoLabel.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)

        self.updateItems = []

        self.resize(800, 600)

        self.progress = ProgressState(self, maximum=3)
        self.progress.valueChanged.connect(self._updateProgress)
        self.progress.rangeChanged.connect(self._updateProgress)
        self.executor = ThreadExecutor(
            threadPool=QThreadPool(maxThreadCount=2)
        )

        task = Task(self, function=self.RetrieveFilesList)
        task.exceptionReady.connect(self.HandleError)
        task.start()

        self._tasks = []
        self._haveProgress = False

    def RetrieveFilesList(self):
        self.retryButton.hide()
        self.warning(0)
        self.progress.setRange(0, 3)

        task = Task(function=partial(retrieveFilesList, methodinvoke(self.progress, "advance")))

        task.resultReady.connect(self.SetFilesList)
        task.exceptionReady.connect(self.HandleError)

        self.executor.submit(task)

        self.setEnabled(False)

    def SetFilesList(self, serverInfo):
        """
        Set the files to show.
        """
        self.setEnabled(True)

        localInfo = serverfiles.allinfo()
        all_tags = set()

        self.filesView.clear()
        self.updateItems = []

        for item in join_info_dict(localInfo, serverInfo):
            tree_item = UpdateTreeWidgetItem(item)
            options_widget = UpdateOptionsWidget(item.state)
            options_widget.item = item

            options_widget.installClicked.connect(
                partial(self.SubmitDownloadTask, item.domain, item.filename)
            )
            options_widget.removeClicked.connect(
                partial(self.SubmitRemoveTask, item.domain, item.filename)
            )

            self.updateItems.append((item, tree_item, options_widget))
            all_tags.update(item.tags)

        self.filesView.addTopLevelItems(
            [tree_item for _, tree_item, _ in self.updateItems]
        )

        for item, tree_item, options_widget in self.updateItems:
            self.filesView.setItemWidget(tree_item, 0, options_widget)

            # Add an update button if the file is updateable
            if item.state == OUTDATED:
                button = QToolButton(
                    None, text="Update",
                    maximumWidth=120,
                    minimumHeight=20,
                    maximumHeight=20
                )

                if sys.platform == "darwin":
                    button.setAttribute(Qt.WA_MacSmallSize)

                button.clicked.connect(
                    partial(self.SubmitDownloadTask, item.domain,
                            item.filename)
                )

                self.filesView.setItemWidget(tree_item, 2, button)

        self.progress.advance()

        self.filesView.setColumnWidth(0, self.filesView.sizeHintForColumn(0))

        for column in range(1, 4):
            contents_hint = self.filesView.sizeHintForColumn(column)
            header_hint = self.filesView.header().sectionSizeHint(column)
            width = max(min(contents_hint, 400), header_hint)
            self.filesView.setColumnWidth(column, width)

        hints = [hint for hint in sorted(all_tags) if not hint.startswith("#")]
        self.completer.setTokenList(hints)
        self.SearchUpdate()
        self.UpdateInfoLabel()
        self.toggleButtons()
        self.cancelButton.setEnabled(False)

        self.progress.setRange(0, 0)

    def buttonCheck(self, selected_items, state, button):
        for item in selected_items:
            if item.state != state:
                button.setEnabled(False)
            else:
                button.setEnabled(True)
                break

    def toggleButtons(self):
        selected_items = [item for item, tree_item, _ in self.updateItems if not tree_item.isHidden()]
        self.buttonCheck(selected_items, OUTDATED, self.updateButton)
        self.buttonCheck(selected_items, AVAILABLE, self.downloadButton)

    def HandleError(self, exception):
        if isinstance(exception, ConnectionError):
            self.warning(0,
                       "Could not connect to server! Check your connection "
                       "and try to reconnect.")
            self.SetFilesList({})
            self.retryButton.show()
        else:
            sys.excepthook(type(exception), exception, None)
            self.progress.setRange(0, 0)
            self.setEnabled(True)

    def UpdateInfoLabel(self):
        local = [item for item, tree_item, _ in self.updateItems
                 if item.state != AVAILABLE and not tree_item.isHidden()]
        size = sum(float(item.size) for item in local)

        onServer = [item for item, tree_item, _ in self.updateItems if not tree_item.isHidden()]
        sizeOnServer = sum(float(item.size) for item in onServer)

        text = ("%i items, %s (on server: %i items, %s)" %
                (len(local),
                 sizeof_fmt(size),
                 len(onServer),
                 sizeof_fmt(sizeOnServer)))

        self.infoLabel.setText(text)

    def UpdateAll(self):
        self.warning(0)
        for item, tree_item, _ in self.updateItems:
            if item.state == OUTDATED and not tree_item.isHidden():
                self.SubmitDownloadTask(item.domain, item.filename)

    def DownloadFiltered(self):
        # TODO: submit items in the order shown.
        for item, tree_item, _ in self.updateItems:
            if not tree_item.isHidden() and item.state in \
                    [AVAILABLE, OUTDATED]:
                self.SubmitDownloadTask(item.domain, item.filename)

    def SearchUpdate(self, searchString=None):
        strings = str(self.lineEditFilter.text()).split()
        for item, tree_item, _ in self.updateItems:
            hide = not all(UpdateItem_match(item, string)
                           for string in strings)
            tree_item.setHidden(hide)
        self.UpdateInfoLabel()
        self.toggleButtons()

    def SubmitDownloadTask(self, domain, filename):
        """
        Submit the (domain, filename) to be downloaded/updated.
        """
        self.cancelButton.setEnabled(True)

        index = self.updateItemIndex(domain, filename)
        _, tree_item, opt_widget = self.updateItems[index]

        sf = LocalFiles(serverfiles.PATH, serverfiles.ServerFiles())
        task = DownloadTask(domain, filename, sf)

        self.progress.adjustRange(0, 100)

        pb = ItemProgressBar(self.filesView)
        pb.setRange(0, 100)
        pb.setTextVisible(False)

        task.advanced.connect(pb.advance)
        task.advanced.connect(self.progress.advance)
        task.finished.connect(pb.hide)
        task.finished.connect(self.onDownloadFinished, Qt.QueuedConnection)
        task.exception.connect(self.onDownloadError, Qt.QueuedConnection)

        self.filesView.setItemWidget(tree_item, 2, pb)

        # Clear the text so it does not show behind the progress bar.
        tree_item.setData(2, Qt.DisplayRole, "")
        pb.show()

        # Disable the options widget
        opt_widget.setEnabled(False)
        self._tasks.append(task)

        self.executor.submit(task)

    def EndDownloadTask(self, task):
        future = task.future()
        index = self.updateItemIndex(task.domain, task.filename)
        item, tree_item, opt_widget = self.updateItems[index]

        self.filesView.removeItemWidget(tree_item, 2)
        opt_widget.setEnabled(True)

        if future.cancelled():
            # Restore the previous state
            tree_item.setUpdateItem(item)
            opt_widget.setState(item.state)

        elif future.exception():
            tree_item.setUpdateItem(item)
            opt_widget.setState(item.state)

            # Show the exception string in the size column.
            self.warning(0, "Error while downloading. Check your connection "
                            "and retry.")

            # recreate button for download
            button = QToolButton(
                None, text="Retry",
                maximumWidth=120,
                minimumHeight=20,
                maximumHeight=20
            )

            if sys.platform == "darwin":
                button.setAttribute(Qt.WA_MacSmallSize)

            button.clicked.connect(
                partial(self.SubmitDownloadTask, item.domain,
                        item.filename)
            )

            self.filesView.setItemWidget(tree_item, 2, button)

        else:
            # get the new updated info dict and replace the the old item
            self.warning(0)
            info = serverfiles.info(item.domain, item.filename)
            new_item = update_item_from_info(item.domain, item.filename,
                                             info, info)

            self.updateItems[index] = (new_item, tree_item, opt_widget)

            tree_item.setUpdateItem(new_item)
            opt_widget.setState(new_item.state)

            self.UpdateInfoLabel()

    def SubmitRemoveTask(self, domain, filename):
        serverfiles.LOCALFILES.remove(domain, filename)
        index = self.updateItemIndex(domain, filename)
        item, tree_item, opt_widget = self.updateItems[index]

        if item.info_server:
            new_item = item._replace(state=AVAILABLE, local=None,
                                      info_local=None)
        else:
            new_item = item._replace(local=None, info_local=None)
            # Disable the options widget. No more actions can be performed
            # for the item.
            opt_widget.setEnabled(False)

        tree_item.setUpdateItem(new_item)
        opt_widget.setState(new_item.state)
        self.updateItems[index] = (new_item, tree_item, opt_widget)

        self.UpdateInfoLabel()

    def Cancel(self):
        """
        Cancel all pending update/download tasks (that have not yet started).
        """
        for task in self._tasks:
            task.future().cancel()

    def onDeleteWidget(self):
        self.Cancel()
        self.executor.shutdown(wait=False)
        OWWidget.onDeleteWidget(self)

    def onDownloadFinished(self):
        # on download completed/canceled/error
        assert QThread.currentThread() is self.thread()
        for task in list(self._tasks):
            future = task.future()
            if future.done():
                self.EndDownloadTask(task)
                self._tasks.remove(task)

        if not self._tasks:
            # Clear/reset the overall progress
            self.progress.setRange(0, 0)
            self.cancelButton.setEnabled(False)

    def onDownloadError(self, exc_info):
        sys.excepthook(*exc_info)
        self.warning(0, "Error while downloading. Check your connection and "
                        "retry.")

    def updateItemIndex(self, domain, filename):
        for i, (item, _, _) in enumerate(self.updateItems):
            if item.domain == domain and item.filename == filename:
                return i
        raise ValueError("%r, %r not in update list" % (domain, filename))

    def _updateProgress(self, *args):
        rmin, rmax = self.progress.range()
        if rmin != rmax:
            if not self._haveProgress:
                self._haveProgress = True
                self.progressBarInit()

            self.progressBarSet(self.progress.ratioCompleted() * 100,
                                processEvents=None)
        if rmin == rmax:
            self._haveProgress = False
            self.progressBarFinished()
def variables_filter(model, parent=None):
    """
    GUI components: ListView with a lineedit which works as a filter. One can write
    a variable name in a edit box and possible matches are then shown in a listview.
    """
    def update_completer_model():
        """ This gets called when the model for available attributes changes
        through either drag/drop or the left/right button actions.

        """
        nonlocal original_completer_items
        items = [var.name for var in model]
        items += [
            "%s=%s" % item for v in model for item in v.attributes.items()
        ]

        new = sorted(set(items))
        if new != original_completer_items:
            original_completer_items = new
            completer_model.setStringList(original_completer_items)

    def update_completer_prefix():
        """ Prefixes all items in the completer model with the current
        already done completion to enable the completion of multiple keywords.
        """
        nonlocal original_completer_items
        prefix = str(completer.completionPrefix())
        if not prefix.endswith(" ") and " " in prefix:
            prefix, _ = prefix.rsplit(" ", 1)
            items = [prefix + " " + item for item in original_completer_items]
        else:
            items = original_completer_items
        old = list(map(str, completer_model.stringList()))

        if set(old) != set(items):
            completer_model.setStringList(items)

    original_completer_items = []

    filter_edit = QLineEdit()
    filter_edit.setToolTip("Filter the list of available variables.")
    filter_edit.setPlaceholderText("Filter")

    completer_model = QStringListModel()
    completer = QCompleter(completer_model)
    completer.setCompletionMode(QCompleter.InlineCompletion)
    completer.setModelSorting(QCompleter.CaseSensitivelySortedModel)

    filter_edit.setCompleter(completer)
    completer_navigator = CompleterNavigator(parent)
    filter_edit.installEventFilter(completer_navigator)

    proxy = VariableFilterProxyModel()
    proxy.setSourceModel(model)
    view = VariablesListItemView(acceptedType=Orange.data.Variable)
    view.setModel(proxy)

    model.dataChanged.connect(update_completer_model)
    model.rowsInserted.connect(update_completer_model)
    model.rowsRemoved.connect(update_completer_model)

    filter_edit.textChanged.connect(update_completer_prefix)
    filter_edit.textChanged.connect(proxy.set_filter_string)

    return filter_edit, view
Beispiel #8
0
class SelectionSetsWidget(QFrame):
    """
    Widget for managing multiple stored item selections
    """
    selectionModified = Signal(bool)

    def __init__(self, parent):
        QFrame.__init__(self, parent)
        self.setContentsMargins(0, 0, 0, 0)
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(1)
        self._setNameLineEdit = QLineEdit(self)
        layout.addWidget(self._setNameLineEdit)

        self._setListView = QListView(self)
        self._listModel = QStandardItemModel(self)
        self._proxyModel = QSortFilterProxyModel(self)
        self._proxyModel.setSourceModel(self._listModel)

        self._setListView.setModel(self._proxyModel)
        self._setListView.setItemDelegate(ListItemDelegate(self))

        self._setNameLineEdit.textChanged.connect(
            self._proxyModel.setFilterFixedString)

        self._completer = QCompleter(self._listModel, self)

        self._setNameLineEdit.setCompleter(self._completer)

        self._listModel.itemChanged.connect(self._onSetNameChange)
        layout.addWidget(self._setListView)
        buttonLayout = QHBoxLayout()

        self._addAction = QAction(
            "+", self, toolTip="Add a new sort key")
        self._updateAction = QAction(
            "Update", self, toolTip="Update/save current selection")
        self._removeAction = QAction(
            "\u2212", self, toolTip="Remove selected sort key.")

        self._addToolButton = QToolButton(self)
        self._updateToolButton = QToolButton(self)
        self._removeToolButton = QToolButton(self)
        self._updateToolButton.setSizePolicy(
                QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)

        self._addToolButton.setDefaultAction(self._addAction)
        self._updateToolButton.setDefaultAction(self._updateAction)
        self._removeToolButton.setDefaultAction(self._removeAction)

        buttonLayout.addWidget(self._addToolButton)
        buttonLayout.addWidget(self._updateToolButton)
        buttonLayout.addWidget(self._removeToolButton)

        layout.addLayout(buttonLayout)
        self.setLayout(layout)

        self._addAction.triggered.connect(self.addCurrentSelection)
        self._updateAction.triggered.connect(self.updateSelectedSelection)
        self._removeAction.triggered.connect(self.removeSelectedSelection)

        self._setListView.selectionModel().selectionChanged.connect(
            self._onListViewSelectionChanged)
        self.selectionModel = None
        self._selections = []

    def sizeHint(self):
        size = QFrame.sizeHint(self)
        return QSize(size.width(), 150)

    def _onSelectionChanged(self, selected, deselected):
        self.setSelectionModified(True)

    def _onListViewSelectionChanged(self, selected, deselected):
        try:
            index = self._setListView.selectedIndexes()[0]
        except IndexError:
            return
        self.commitSelection(self._proxyModel.mapToSource(index).row())

    def _onSetNameChange(self, item):
        self.selections[item.row()].name = str(item.text())

    def _setButtonStates(self, val):
        self._updateToolButton.setEnabled(val)

    def setSelectionModel(self, selectionModel):
        if self.selectionModel:
            self.selectionModel.selectionChanged.disconnect(
                self._onSelectionChanged)
        self.selectionModel = selectionModel
        self.selectionModel.selectionChanged.connect(self._onSelectionChanged)

    def addCurrentSelection(self):
        item = self.addSelection(
            SelectionByKey(self.selectionModel.selection(),
                           name="New selection",
                           key=(1, 2, 3, 10)))
        index = self._proxyModel.mapFromSource(item.index())
        self._setListView.setCurrentIndex(index)
        self._setListView.edit(index)
        self.setSelectionModified(False)

    def removeSelectedSelection(self):
        i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
        self._listModel.takeRow(i)
        del self.selections[i]

    def updateCurentSelection(self):
        i = self._proxyModel.mapToSource(self._setListView.selectedIndex()).row()
        self.selections[i].setSelection(self.selectionModel.selection())
        self.setSelectionModified(False)

    def addSelection(self, selection, name=""):
        self._selections.append(selection)
        item = QStandardItem(selection.name)
        item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
        self._listModel.appendRow(item)
        self.setSelectionModified(False)
        return item

    def updateSelectedSelection(self):
        i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
        self.selections[i].setSelection(self.selectionModel.selection())
        self.setSelectionModified(False)

    def setSelectionModified(self, val):
        self._selectionModified = val
        self._setButtonStates(val)
        self.selectionModified.emit(bool(val))

    def commitSelection(self, index):
        selection = self.selections[index]
        selection.select(self.selectionModel)

    def setSelections(self, selections):
        self._listModel.clear()
        for selection in selections:
            self.addSelection(selection)

    def selections(self):
        return self._selections

    selections = property(selections, setSelections)
class OWDatabasesUpdate(OWWidget):

    name = "Databases Update"
    description = "Update local systems biology databases."
    icon = "../widgets/icons/OWDatabasesUpdate.svg"
    priority = 1

    inputs = []
    outputs = []

    want_main_area = False

    def __init__(self,
                 parent=None,
                 signalManager=None,
                 name="Databases update"):
        OWWidget.__init__(self,
                          parent,
                          signalManager,
                          name,
                          wantMainArea=False)

        self.searchString = ""

        fbox = gui.widgetBox(self.controlArea, "Filter")
        self.completer = TokenListCompleter(self,
                                            caseSensitivity=Qt.CaseInsensitive)
        self.lineEditFilter = QLineEdit(textChanged=self.search_update)
        self.lineEditFilter.setCompleter(self.completer)

        fbox.layout().addWidget(self.lineEditFilter)

        box = gui.widgetBox(self.controlArea, "Files")
        self.filesView = QTreeWidget(self)
        self.filesView.setHeaderLabels(header_labels)
        self.filesView.setRootIsDecorated(False)
        self.filesView.setUniformRowHeights(True)
        self.filesView.setSelectionMode(QAbstractItemView.NoSelection)
        self.filesView.setSortingEnabled(True)
        self.filesView.sortItems(header.Title, Qt.AscendingOrder)
        self.filesView.setItemDelegateForColumn(
            0, UpdateOptionsItemDelegate(self.filesView))

        self.filesView.model().layoutChanged.connect(self.search_update)

        box.layout().addWidget(self.filesView)

        layout = QHBoxLayout()
        gui.widgetBox(self.controlArea, margin=0, orientation=layout)

        self.updateButton = gui.button(
            box,
            self,
            "Update all",
            callback=self.update_all,
            tooltip="Update all updatable files",
        )

        self.downloadButton = gui.button(
            box,
            self,
            "Download all",
            callback=self.download_filtered,
            tooltip="Download all filtered files shown")

        self.cancelButton = gui.button(
            box,
            self,
            "Cancel",
            callback=self.cancel_active_threads,
            tooltip="Cancel scheduled downloads/updates.")

        self.addButton = gui.button(box,
                                    self,
                                    "Add ...",
                                    callback=self.__handle_dialog,
                                    tooltip="Add files for personal use.")

        layout.addWidget(self.updateButton)
        layout.addWidget(self.downloadButton)
        layout.addWidget(self.cancelButton)
        layout.addStretch()
        layout.addWidget(self.addButton)

        # Enable retryButton once connection is established
        # self.retryButton = gui.button(
        #     box, self, "Reconnect", callback=self.initialize_files_view
        # )
        # self.retryButton.hide()

        self.resize(800, 600)

        self.update_items = []
        self._dialog = None
        self.progress_bar = None

        # threads
        self.threadpool = QThreadPool(self)
        #self.threadpool.setMaxThreadCount(1)
        self.workers = list()

        self.initialize_files_view()

    def __handle_dialog(self):
        if not self._dialog:
            self._dialog = FileUploadHelper(self)
        self._dialog.show()

    def __progress_advance(self):
        # GUI should be updated in main thread. That's why we are calling advance method here
        if self.progress_bar:
            self.progress_bar.advance()

    def handle_worker_exception(self, ex):
        self.progress_bar.finish()
        self.setStatusMessage('')

        if isinstance(ex, ConnectionError):
            # TODO: set warning messages
            pass

        print(ex)

    def initialize_files_view(self):
        # self.retryButton.hide()

        # clear view
        self.filesView.clear()
        # init progress bar
        self.progress_bar = gui.ProgressBar(self, iterations=3)
        # status message
        self.setStatusMessage('initializing')

        worker = Worker(evaluate_files_state, progress_callback=True)
        worker.signals.progress.connect(self.__progress_advance)
        worker.signals.result.connect(self.set_files_list)
        worker.signals.error.connect(self.handle_worker_exception)

        # move download process to worker thread
        self.threadpool.start(worker)
        self.setEnabled(False)

    def __create_action_button(self, fs, retry=None):
        if not fs.state not in [OUTDATED, USER_FILE] or not retry:
            self.filesView.setItemWidget(fs.tree_item, header.Update, None)

        button = QToolButton(None)
        if not retry:
            if fs.state == OUTDATED:
                button.setText('Update')
                button.clicked.connect(
                    partial(self.submit_download_task, fs.domain, fs.filename,
                            True))
            elif fs.state == USER_FILE:
                if not fs.info_server:
                    button.setText('Remove')
                    button.clicked.connect(
                        partial(self.submit_remove_task, fs.domain,
                                fs.filename))
                else:
                    button.setText('Use server version')
                    button.clicked.connect(
                        partial(self.submit_download_task, fs.domain,
                                fs.filename, True))
        else:
            button.setText('Retry')
            button.clicked.connect(
                partial(self.submit_download_task, fs.domain, fs.filename,
                        True))

        button.setMaximumWidth(120)
        button.setMaximumHeight(20)
        button.setMinimumHeight(20)

        if sys.platform == "darwin":
            button.setAttribute(Qt.WA_MacSmallSize)

        self.filesView.setItemWidget(fs.tree_item, header.Update, button)

    def set_files_list(self, result):
        """ Set the files to show.
        """
        assert threading.current_thread() == threading.main_thread()
        self.progress_bar.finish()
        self.setStatusMessage('')
        self.setEnabled(True)

        self.update_items = result
        all_tags = set()

        for fs in self.update_items:
            fs.tree_item = FileStateItem(fs)
            fs.download_option = DownloadOption(state=fs.state)

            fs.download_option.download_clicked.connect(
                partial(self.submit_download_task, fs.domain, fs.filename))
            fs.download_option.remove_clicked.connect(
                partial(self.submit_remove_task, fs.domain, fs.filename))

        # add widget items to the QTreeWidget
        self.filesView.addTopLevelItems(
            [fs.tree_item for fs in self.update_items])

        # add action widgets to tree items
        for fs in self.update_items:
            self.filesView.setItemWidget(fs.tree_item, header.Download,
                                         fs.download_option)
            if fs.state in [USER_FILE, OUTDATED]:
                self.__create_action_button(fs)

            all_tags.update(fs.tags)

        self.filesView.setColumnWidth(
            header.Download, self.filesView.sizeHintForColumn(header.Download))

        for column in range(1, len(header_labels)):
            self.filesView.resizeColumnToContents(column)

        hints = [hint for hint in sorted(all_tags) if not hint.startswith("#")]
        self.completer.setTokenList(hints)
        self.search_update()
        self.toggle_action_buttons()
        self.cancelButton.setEnabled(False)

    def toggle_action_buttons(self):
        selected_items = [
            fs for fs in self.update_items if not fs.tree_item.isHidden()
        ]

        def button_check(sel_items, state, button):
            for item in sel_items:
                if item.state != state:
                    button.setEnabled(False)
                else:
                    button.setEnabled(True)
                    break

        button_check(selected_items, OUTDATED, self.updateButton)
        button_check(selected_items, AVAILABLE, self.downloadButton)

    def search_update(self, searchString=None):
        strings = str(self.lineEditFilter.text()).split()
        for fs in self.update_items:
            hide = not all(UpdateItem_match(fs, string) for string in strings)
            fs.tree_item.setHidden(hide)
        self.toggle_action_buttons()

    def update_all(self):
        for fs in self.update_items:
            if fs.state == OUTDATED and not fs.tree_item.isHidden():
                self.submit_download_task(fs.domain, fs.filename)

    def download_filtered(self):
        for fs in self.update_items:
            if not fs.tree_item.isHidden() and fs.state in [
                    AVAILABLE, OUTDATED
            ]:
                self.submit_download_task(fs.domain, fs.filename, start=False)

        self.run_download_tasks()

    def submit_download_task(self, domain, filename, start=True):
        """ Submit the (domain, filename) to be downloaded/updated.
        """
        # get selected tree item
        index = self.tree_item_index(domain, filename)
        fs = self.update_items[index]

        worker = Worker(download_server_file,
                        fs,
                        index,
                        progress_callback=True)
        worker.signals.progress.connect(self.__progress_advance)
        worker.signals.result.connect(self.on_download_finished)
        worker.signals.error.connect(self.on_download_exception)

        self.workers.append(worker)

        if start:
            self.run_download_tasks()

    def run_download_tasks(self):
        self.cancelButton.setEnabled(True)
        # init progress bar

        self.progress_bar = gui.ProgressBar(self,
                                            iterations=len(self.workers) * 100)

        # status message
        self.setStatusMessage('downloading')

        # move workers to threadpool
        [self.threadpool.start(worker) for worker in self.workers]
        self.filesView.setDisabled(True)
        # reset list of workers
        self.workers = list()

    def on_download_exception(self, ex):
        assert threading.current_thread() == threading.main_thread()
        self.progress_bar.finish()
        self.setStatusMessage('')
        print(ex)
        if isinstance(ex, ValueError):
            fs, index = ex.args

            # restore state and retry
            fs.refresh_state()
            fs.tree_item.update_data(fs)
            fs.download_option.state = fs.state
            self.__create_action_button(fs, retry=True)

    def on_download_finished(self, result):
        assert threading.current_thread() == threading.main_thread()

        # We check if all workers have completed. If not, continue
        if self.progress_bar.count == 100 or self.threadpool.activeThreadCount(
        ) == 0:
            self.filesView.setDisabled(False)
            self.progress_bar.finish()
            self.setStatusMessage('')

        fs, index = result
        # re-evaluate File State
        info = serverfiles.info(fs.domain, fs.filename)
        fs.refresh_state(info_local=info, info_server=info)
        # reinitialize treeWidgetItem
        fs.tree_item.update_data(fs)
        # reinitialize OptionWidget
        fs.download_option.state = fs.state
        self.filesView.setItemWidget(fs.tree_item, header.Update, None)

        self.toggle_action_buttons()
        for column in range(1, len(header_labels)):
            self.filesView.resizeColumnToContents(column)

    def submit_remove_task(self, domain, filename):
        serverfiles.LOCALFILES.remove(domain, filename)

        index = self.tree_item_index(domain, filename)
        fs = self.update_items[index]

        if fs.state == USER_FILE:
            self.filesView.takeTopLevelItem(
                self.filesView.indexOfTopLevelItem(fs.tree_item))
            self.update_items.remove(fs)
            # self.filesView.removeItemWidget(index)
        else:
            # refresh item state
            fs.info_local = None
            fs.refresh_state()
            # reinitialize treeWidgetItem
            fs.tree_item.update_data(fs)
            # reinitialize OptionWidget
            fs.download_option.state = fs.state

        self.toggle_action_buttons()

    def cancel_active_threads(self):
        """ Cancel all pending update/download tasks (that have not yet started).
        """
        if self.threadpool:
            self.threadpool.clear()

    def tree_item_index(self, domain, filename):
        for i, fs in enumerate(self.update_items):
            if fs.domain == domain and fs.filename == filename:
                return i
        raise ValueError("%r, %r not in update list" % (domain, filename))

    def onDeleteWidget(self):
        self.cancel_active_threads()
        OWWidget.onDeleteWidget(self)
Beispiel #10
0
class OWGEODatasets(OWWidget):
    name = "GEO Data Sets"
    description = DESCRIPTION
    icon = "../widgets/icons/GEODataSets.svg"
    priority = PRIORITY

    inputs = []
    outputs = [("Expression Data", Orange.data.Table)]

    settingsList = [
        "outputRows", "mergeSpots", "gdsSelectionStates", "splitterSettings",
        "currentGds", "autoCommit", "datasetNames"
    ]

    outputRows = Setting(True)
    mergeSpots = Setting(True)
    gdsSelectionStates = Setting({})
    currentGds = Setting(None)
    datasetNames = Setting({})
    splitterSettings = Setting((
        b'\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x01\xea\x00\x00\x00\xd7\x01\x00\x00\x00\x07\x01\x00\x00\x00\x02',
        b'\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x01\xb5\x00\x00\x02\x10\x01\x00\x00\x00\x07\x01\x00\x00\x00\x01'
    ))

    autoCommit = Setting(False)

    def __init__(self, parent=None, signalManager=None, name=" GEO Data Sets"):
        OWWidget.__init__(self, parent, signalManager, name)

        self.selectionChanged = False
        self.filterString = ""
        self.datasetName = ""

        ## GUI
        box = gui.widgetBox(self.controlArea, "Info", addSpace=True)
        self.infoBox = gui.widgetLabel(box, "Initializing\n\n")

        box = gui.widgetBox(self.controlArea, "Output", addSpace=True)
        gui.radioButtonsInBox(box,
                              self,
                              "outputRows",
                              ["Genes in rows", "Samples in rows"],
                              "Rows",
                              callback=self.commitIf)

        gui.checkBox(box,
                     self,
                     "mergeSpots",
                     "Merge spots of same gene",
                     callback=self.commitIf)

        gui.separator(box)
        self.nameEdit = gui.lineEdit(
            box,
            self,
            "datasetName",
            "Data set name",
            tooltip="Override the default output data set name",
            callback=self.onNameEdited)
        self.nameEdit.setPlaceholderText("")

        if sys.version_info < (3, ):
            box = gui.widgetBox(self.controlArea, "Commit", addSpace=True)
            self.commitButton = gui.button(box,
                                           self,
                                           "Commit",
                                           callback=self.commit)
            cb = gui.checkBox(box, self, "autoCommit", "Commit on any change")
            gui.setStopper(self, self.commitButton, cb, "selectionChanged",
                           self.commit)
        else:
            gui.auto_commit(self.controlArea,
                            self,
                            "autoCommit",
                            "Commit",
                            box="Commit")
            self.commitIf = self.commit

        gui.rubber(self.controlArea)

        gui.widgetLabel(self.mainArea, "Filter")
        self.filterLineEdit = QLineEdit(textChanged=self.filter)
        self.completer = TokenListCompleter(self,
                                            caseSensitivity=Qt.CaseInsensitive)
        self.filterLineEdit.setCompleter(self.completer)

        self.mainArea.layout().addWidget(self.filterLineEdit)

        splitter = QSplitter(Qt.Vertical, self.mainArea)
        self.mainArea.layout().addWidget(splitter)
        self.treeWidget = QTreeView(splitter)

        self.treeWidget.setSelectionMode(QTreeView.SingleSelection)
        self.treeWidget.setRootIsDecorated(False)
        self.treeWidget.setSortingEnabled(True)
        self.treeWidget.setAlternatingRowColors(True)
        self.treeWidget.setUniformRowHeights(True)
        self.treeWidget.setEditTriggers(QTreeView.NoEditTriggers)

        linkdelegate = LinkStyledItemDelegate(self.treeWidget)
        self.treeWidget.setItemDelegateForColumn(1, linkdelegate)
        self.treeWidget.setItemDelegateForColumn(8, linkdelegate)
        self.treeWidget.setItemDelegateForColumn(
            0, gui.IndicatorItemDelegate(self.treeWidget, role=Qt.DisplayRole))

        proxyModel = MySortFilterProxyModel(self.treeWidget)
        self.treeWidget.setModel(proxyModel)
        self.treeWidget.selectionModel().selectionChanged.connect(
            self.updateSelection)
        self.treeWidget.viewport().setMouseTracking(True)

        splitterH = QSplitter(Qt.Horizontal, splitter)

        box = gui.widgetBox(splitterH, "Description")
        self.infoGDS = gui.widgetLabel(box, "")
        self.infoGDS.setWordWrap(True)
        gui.rubber(box)

        box = gui.widgetBox(splitterH, "Sample Annotations")
        self.annotationsTree = QTreeWidget(box)
        self.annotationsTree.setHeaderLabels(
            ["Type (Sample annotations)", "Sample count"])
        self.annotationsTree.setRootIsDecorated(True)
        box.layout().addWidget(self.annotationsTree)
        self.annotationsTree.itemChanged.connect(
            self.annotationSelectionChanged)
        self._annotationsUpdating = False
        self.splitters = splitter, splitterH

        for sp, setting in zip(self.splitters, self.splitterSettings):
            sp.splitterMoved.connect(self.splitterMoved)
            sp.restoreState(setting)

        self.searchKeys = [
            "dataset_id", "title", "platform_organism", "description"
        ]

        self.gds = []
        self.gds_info = None

        self.resize(1000, 600)

        self.setBlocking(True)
        self.setEnabled(False)
        self.progressBarInit()

        self._executor = ThreadExecutor()

        func = partial(get_gds_model,
                       methodinvoke(self, "_setProgress", (float, )))
        self._inittask = Task(function=func)
        self._inittask.finished.connect(self._initializemodel)
        self._executor.submit(self._inittask)

        self._datatask = None

    @Slot(float)
    def _setProgress(self, value):
        self.progressBarValue = value

    def _initializemodel(self):
        assert self.thread() is QThread.currentThread()
        model, self.gds_info, self.gds = self._inittask.result()
        model.setParent(self)

        proxy = self.treeWidget.model()
        proxy.setFilterKeyColumn(0)
        proxy.setFilterRole(TextFilterRole)
        proxy.setFilterCaseSensitivity(False)
        proxy.setFilterFixedString(self.filterString)

        proxy.setSourceModel(model)
        proxy.sort(0, Qt.DescendingOrder)

        self.progressBarFinished()
        self.setBlocking(False)
        self.setEnabled(True)

        filter_items = " ".join(gds[key] for gds in self.gds
                                for key in self.searchKeys)
        tr_chars = ",.:;!?(){}[]_-+\\|/%#@$^&*<>~`"
        tr_table = str.maketrans(tr_chars, " " * len(tr_chars))
        filter_items = filter_items.translate(tr_table)

        filter_items = sorted(set(filter_items.split(" ")))
        filter_items = [item for item in filter_items if len(item) > 3]

        self.completer.setTokenList(filter_items)

        if self.currentGds:
            current_id = self.currentGds["dataset_id"]
            gdss = [(i, qunpack(proxy.data(proxy.index(i, 1), Qt.DisplayRole)))
                    for i in range(proxy.rowCount())]
            current = [i for i, data in gdss if data and data == current_id]
            if current:
                current_index = proxy.index(current[0], 0)
                self.treeWidget.selectionModel().select(
                    current_index,
                    QItemSelectionModel.Select | QItemSelectionModel.Rows)
                self.treeWidget.scrollTo(current_index,
                                         QTreeView.PositionAtCenter)

        for i in range(8):
            self.treeWidget.resizeColumnToContents(i)

        self.treeWidget.setColumnWidth(
            1, min(self.treeWidget.columnWidth(1), 300))
        self.treeWidget.setColumnWidth(
            2, min(self.treeWidget.columnWidth(2), 200))

        self.updateInfo()

    def updateInfo(self):
        gds_info = self.gds_info
        text = ("%i datasets\n%i datasets cached\n" %
                (len(gds_info),
                 len(glob.glob(serverfiles.localpath("GEO") + "/GDS*"))))
        filtered = self.treeWidget.model().rowCount()
        if len(self.gds) != filtered:
            text += ("%i after filtering") % filtered
        self.infoBox.setText(text)

    def updateSelection(self, *args):
        current = self.treeWidget.selectedIndexes()
        mapToSource = self.treeWidget.model().mapToSource
        current = [mapToSource(index).row() for index in current]
        if current:
            self.currentGds = self.gds[current[0]]
            self.setAnnotations(self.currentGds)
            self.infoGDS.setText(self.currentGds.get("description", ""))
            self.nameEdit.setPlaceholderText(self.currentGds["title"])
            self.datasetName = \
                self.datasetNames.get(self.currentGds["dataset_id"], "")
        else:
            self.currentGds = None
            self.nameEdit.setPlaceholderText("")
            self.datasetName = ""

        self.commitIf()

    def setAnnotations(self, gds):
        self._annotationsUpdating = True
        self.annotationsTree.clear()

        annotations = defaultdict(set)
        subsetscount = {}
        for desc in gds["subsets"]:
            annotations[desc["type"]].add(desc["description"])
            subsetscount[desc["description"]] = str(len(desc["sample_id"]))

        for type, subsets in annotations.items():
            key = (gds["dataset_id"], type)
            subsetItem = QTreeWidgetItem(self.annotationsTree, [type])
            subsetItem.setFlags(subsetItem.flags() | Qt.ItemIsUserCheckable
                                | Qt.ItemIsTristate)
            subsetItem.setCheckState(
                0, self.gdsSelectionStates.get(key, Qt.Checked))
            subsetItem.key = key
            for subset in subsets:
                key = (gds["dataset_id"], type, subset)
                item = QTreeWidgetItem(
                    subsetItem, [subset, subsetscount.get(subset, "")])
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
                item.setCheckState(
                    0, self.gdsSelectionStates.get(key, Qt.Checked))
                item.key = key
        self._annotationsUpdating = False
        self.annotationsTree.expandAll()
        for i in range(self.annotationsTree.columnCount()):
            self.annotationsTree.resizeColumnToContents(i)

    def annotationSelectionChanged(self, item, column):
        if self._annotationsUpdating:
            return
        for i in range(self.annotationsTree.topLevelItemCount()):
            item = self.annotationsTree.topLevelItem(i)
            self.gdsSelectionStates[item.key] = item.checkState(0)
            for j in range(item.childCount()):
                child = item.child(j)
                self.gdsSelectionStates[child.key] = child.checkState(0)

    def filter(self):
        filter_string = unicode(self.filterLineEdit.text())
        proxyModel = self.treeWidget.model()
        if proxyModel:
            strings = filter_string.lower().strip().split()
            proxyModel.setFilterFixedStrings(strings)
            self.updateInfo()

    def selectedSamples(self):
        """
        Return the currently selected sample annotations.

        The return value is a list of selected (sample type, sample value)
        tuples.

        .. note:: if some Sample annotation type has no selected values.
                  this method will return all values for it.

        """
        samples = []
        unused_types = []
        used_types = []
        for stype in childiter(self.annotationsTree.invisibleRootItem()):
            selected_values = []
            all_values = []
            for sval in childiter(stype):
                value = (str(stype.text(0)), str(sval.text(0)))
                if self.gdsSelectionStates.get(sval.key, True):
                    selected_values.append(value)
                all_values.append(value)
            if selected_values:
                samples.extend(selected_values)
                used_types.append(str(stype.text(0)))
            else:
                # If no sample of sample type is selected we don't filter
                # on it.
                samples.extend(all_values)
                unused_types.append(str(stype.text(0)))

        return samples, used_types

    def commitIf(self):
        if self.autoCommit:
            self.commit()
        else:
            self.selectionChanged = True

    @Slot(int, int)
    def progressCompleted(self, value, total):
        if total > 0:
            self.progressBarSet(100. * value / total, processEvents=False)
        else:
            pass
            # TODO: report 'indeterminate progress'

    def commit(self):
        if self.currentGds:
            self.error(0)
            sample_type = None
            self.progressBarInit(processEvents=None)

            _, groups = self.selectedSamples()
            if len(groups) == 1 and self.outputRows:
                sample_type = groups[0]

            self.setEnabled(False)
            self.setBlocking(True)

            progress = methodinvoke(self, "progressCompleted", (int, int))

            def get_data(gds_id, report_genes, transpose, sample_type, title):
                gds_ensure_downloaded(gds_id, progress)
                gds = geo.GDS(gds_id)
                data = gds.getdata(report_genes=report_genes,
                                   transpose=transpose,
                                   sample_type=sample_type)
                data.name = title
                return data

            get_data = partial(get_data,
                               self.currentGds["dataset_id"],
                               report_genes=self.mergeSpots,
                               transpose=self.outputRows,
                               sample_type=sample_type,
                               title=self.datasetName
                               or self.currentGds["title"])
            self._datatask = Task(function=get_data)
            self._datatask.finished.connect(self._on_dataready)
            self._executor.submit(self._datatask)

    def _on_dataready(self):
        self.setEnabled(True)
        self.setBlocking(False)
        self.progressBarFinished(processEvents=False)

        try:
            data = self._datatask.result()
        except urlrequest.URLError as error:
            self.error(0, ("Error while connecting to the NCBI ftp server! "
                           "'%s'" % error))
            sys.excepthook(type(error), error, getattr(error, "__traceback__"))
            return
        finally:
            self._datatask = None

        data_name = data.name
        samples, _ = self.selectedSamples()

        self.warning(0)
        message = None
        if self.outputRows:

            def samplesinst(ex):
                out = []
                for meta in data.domain.metas:
                    out.append((meta.name, ex[meta].value))

                if data.domain.class_var.name != 'class':
                    out.append((data.domain.class_var.name,
                                ex[data.domain.class_var].value))

                return out

            samples = set(samples)
            mask = [samples.issuperset(samplesinst(ex)) for ex in data]
            data = data[numpy.array(mask, dtype=bool)]
            if len(data) == 0:
                message = "No samples with selected sample annotations."
        else:
            samples = set(samples)
            domain = Orange.data.Domain([
                attr for attr in data.domain.attributes
                if samples.issuperset(attr.attributes.items())
            ], data.domain.class_var, data.domain.metas)
            #             domain.addmetas(data.domain.getmetas())

            if len(domain.attributes) == 0:
                message = "No samples with selected sample annotations."
            stypes = set(s[0] for s in samples)
            for attr in domain.attributes:
                attr.attributes = dict(
                    (key, value) for key, value in attr.attributes.items()
                    if key in stypes)
            data = Orange.data.Table(domain, data)

        if message is not None:
            self.warning(0, message)

        data_hints.set_hint(data, "taxid", self.currentGds.get("taxid", ""),
                            10.0)
        data_hints.set_hint(data, "genesinrows", self.outputRows, 10.0)

        data.name = data_name
        self.send("Expression Data", data)

        model = self.treeWidget.model().sourceModel()
        row = self.gds.index(self.currentGds)

        model.setData(model.index(row, 0), " ", Qt.DisplayRole)

        self.updateInfo()
        self.selectionChanged = False

    def splitterMoved(self, *args):
        self.splitterSettings = [
            bytes(sp.saveState()) for sp in self.splitters
        ]

    def send_report(self):
        self.report_items("GEO Dataset",
                          [("ID", self.currentGds['dataset_id']),
                           ("Title", self.currentGds['title']),
                           ("Organism", self.currentGds['sample_organism'])])
        self.report_items("Data",
                          [("Samples", self.currentGds['sample_count']),
                           ("Features", self.currentGds['feature_count']),
                           ("Genes", self.currentGds['gene_count'])])
        self.report_name("Sample annotations")
        subsets = defaultdict(list)
        for subset in self.currentGds['subsets']:
            subsets[subset['type']].append(
                (subset['description'], len(subset['sample_id'])))
        self.report_html += "<ul>"
        for type in subsets:
            self.report_html += "<b>" + type + ":</b></br>"
            for desc, count in subsets[type]:
                self.report_html += 9 * "&nbsp" + "<b>{}:</b> {}</br>".format(
                    desc, count)
        self.report_html += "</ul>"

    def onDeleteWidget(self):
        if self._inittask:
            self._inittask.future().cancel()
            self._inittask.finished.disconnect(self._initializemodel)
        if self._datatask:
            self._datatask.future().cancel()
            self._datatask.finished.disconnect(self._on_dataready)
        self._executor.shutdown(wait=False)

        super(OWGEODatasets, self).onDeleteWidget()

    def onNameEdited(self):
        if self.currentGds:
            gds_id = self.currentGds["dataset_id"]
            self.datasetNames[gds_id] = unicode(self.nameEdit.text())
            self.commitIf()
class OWDatabasesUpdate(OWWidget):

    name = "Databases Update"
    description = "Update local systems biology databases."
    icon = "../widgets/icons/OWDatabasesUpdate.svg"
    priority = 1

    inputs = []
    outputs = []

    want_main_area = False

    def __init__(self, parent=None, signalManager=None,
                 name="Databases update"):
        OWWidget.__init__(self, parent, signalManager, name,
                          wantMainArea=False)

        self.searchString = ""

        fbox = gui.widgetBox(self.controlArea, "Filter")
        self.completer = TokenListCompleter(
            self, caseSensitivity=Qt.CaseInsensitive)
        self.lineEditFilter = QLineEdit(textChanged=self.SearchUpdate)
        self.lineEditFilter.setCompleter(self.completer)

        fbox.layout().addWidget(self.lineEditFilter)

        box = gui.widgetBox(self.controlArea, "Files")

        self.filesView = QTreeWidget(self)
        self.filesView.setHeaderLabels(
            ["", "Data Source", "Update", "Last Updated", "Size"])

        self.filesView.setRootIsDecorated(False)
        self.filesView.setUniformRowHeights(True)
        self.filesView.setSelectionMode(QAbstractItemView.NoSelection)
        self.filesView.setSortingEnabled(True)
        self.filesView.sortItems(1, Qt.AscendingOrder)
        self.filesView.setItemDelegateForColumn(
            0, UpdateOptionsItemDelegate(self.filesView))

        self.filesView.model().layoutChanged.connect(self.SearchUpdate)

        box.layout().addWidget(self.filesView)

        box = gui.widgetBox(self.controlArea, orientation="horizontal")
        self.updateButton = gui.button(
            box, self, "Update all",
            callback=self.UpdateAll,
            tooltip="Update all updatable files",
         )

        self.downloadButton = gui.button(
            box, self, "Download all",
            callback=self.DownloadFiltered,
            tooltip="Download all filtered files shown"
        )

        self.cancelButton = gui.button(
            box, self, "Cancel", callback=self.Cancel,
            tooltip="Cancel scheduled downloads/updates."
        )

        self.retryButton = gui.button(
            box, self, "Reconnect", callback=self.RetrieveFilesList
        )
        self.retryButton.hide()

        gui.rubber(box)
        self.warning(0)

        box = gui.widgetBox(self.controlArea, orientation="horizontal")
        gui.rubber(box)

        self.infoLabel = QLabel()
        self.infoLabel.setAlignment(Qt.AlignCenter)

        self.controlArea.layout().addWidget(self.infoLabel)
        self.infoLabel.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)

        self.updateItems = []

        self.resize(800, 600)

        self.progress = ProgressState(self, maximum=3)
        self.progress.valueChanged.connect(self._updateProgress)
        self.progress.rangeChanged.connect(self._updateProgress)
        self.executor = ThreadExecutor(
            threadPool=QThreadPool(maxThreadCount=2)
        )

        task = Task(self, function=self.RetrieveFilesList)
        task.exceptionReady.connect(self.HandleError)
        task.start()

        self._tasks = []
        self._haveProgress = False

    def RetrieveFilesList(self):
        self.retryButton.hide()
        self.warning(0)
        self.progress.setRange(0, 3)

        task = Task(function=partial(retrieveFilesList, methodinvoke(self.progress, "advance")))

        task.resultReady.connect(self.SetFilesList)
        task.exceptionReady.connect(self.HandleError)

        self.executor.submit(task)

        self.setEnabled(False)

    def SetFilesList(self, serverInfo):
        """
        Set the files to show.
        """
        self.setEnabled(True)

        localInfo = serverfiles.allinfo()
        all_tags = set()

        self.filesView.clear()
        self.updateItems = []

        for item in join_info_dict(localInfo, serverInfo):
            tree_item = UpdateTreeWidgetItem(item)
            options_widget = UpdateOptionsWidget(item.state)
            options_widget.item = item

            options_widget.installClicked.connect(
                partial(self.SubmitDownloadTask, item.domain, item.filename)
            )
            options_widget.removeClicked.connect(
                partial(self.SubmitRemoveTask, item.domain, item.filename)
            )

            self.updateItems.append((item, tree_item, options_widget))
            all_tags.update(item.tags)

        self.filesView.addTopLevelItems(
            [tree_item for _, tree_item, _ in self.updateItems]
        )

        for item, tree_item, options_widget in self.updateItems:
            self.filesView.setItemWidget(tree_item, 0, options_widget)

            # Add an update button if the file is updateable
            if item.state == OUTDATED:
                button = QToolButton(
                    None, text="Update",
                    maximumWidth=120,
                    minimumHeight=20,
                    maximumHeight=20
                )

                if sys.platform == "darwin":
                    button.setAttribute(Qt.WA_MacSmallSize)

                button.clicked.connect(
                    partial(self.SubmitDownloadTask, item.domain,
                            item.filename)
                )

                self.filesView.setItemWidget(tree_item, 2, button)

        self.progress.advance()

        self.filesView.setColumnWidth(0, self.filesView.sizeHintForColumn(0))

        for column in range(1, 4):
            contents_hint = self.filesView.sizeHintForColumn(column)
            header_hint = self.filesView.header().sectionSizeHint(column)
            width = max(min(contents_hint, 400), header_hint)
            self.filesView.setColumnWidth(column, width)

        hints = [hint for hint in sorted(all_tags) if not hint.startswith("#")]
        self.completer.setTokenList(hints)
        self.SearchUpdate()
        self.UpdateInfoLabel()
        self.toggleButtons()
        self.cancelButton.setEnabled(False)

        self.progress.setRange(0, 0)

    def buttonCheck(self, selected_items, state, button):
        for item in selected_items:
            if item.state != state:
                button.setEnabled(False)
            else:
                button.setEnabled(True)
                break

    def toggleButtons(self):
        selected_items = [item for item, tree_item, _ in self.updateItems if not tree_item.isHidden()]
        self.buttonCheck(selected_items, OUTDATED, self.updateButton)
        self.buttonCheck(selected_items, AVAILABLE, self.downloadButton)

    def HandleError(self, exception):
        if isinstance(exception, ConnectionError):
            self.warning(0,
                       "Could not connect to server! Check your connection "
                       "and try to reconnect.")
            self.SetFilesList({})
            self.retryButton.show()
        else:
            sys.excepthook(type(exception), exception, None)
            self.progress.setRange(0, 0)
            self.setEnabled(True)

    def UpdateInfoLabel(self):
        local = [item for item, tree_item, _ in self.updateItems
                 if item.state != AVAILABLE and not tree_item.isHidden()]
        size = sum(float(item.size) for item in local)

        onServer = [item for item, tree_item, _ in self.updateItems if not tree_item.isHidden()]
        sizeOnServer = sum(float(item.size) for item in onServer)

        text = ("%i items, %s (on server: %i items, %s)" %
                (len(local),
                 serverfiles.sizeformat(size),
                 len(onServer),
                 serverfiles.sizeformat(sizeOnServer)))

        self.infoLabel.setText(text)

    def UpdateAll(self):
        self.warning(0)
        for item, tree_item, _ in self.updateItems:
            if item.state == OUTDATED and not tree_item.isHidden():
                self.SubmitDownloadTask(item.domain, item.filename)

    def DownloadFiltered(self):
        # TODO: submit items in the order shown.
        for item, tree_item, _ in self.updateItems:
            if not tree_item.isHidden() and item.state in \
                    [AVAILABLE, OUTDATED]:
                self.SubmitDownloadTask(item.domain, item.filename)

    def SearchUpdate(self, searchString=None):
        strings = str(self.lineEditFilter.text()).split()
        for item, tree_item, _ in self.updateItems:
            hide = not all(UpdateItem_match(item, string)
                           for string in strings)
            tree_item.setHidden(hide)
        self.UpdateInfoLabel()
        self.toggleButtons()

    def SubmitDownloadTask(self, domain, filename):
        """
        Submit the (domain, filename) to be downloaded/updated.
        """
        self.cancelButton.setEnabled(True)

        index = self.updateItemIndex(domain, filename)
        _, tree_item, opt_widget = self.updateItems[index]

        task = DownloadTask(domain, filename, serverfiles.LOCALFILES)

        self.progress.adjustRange(0, 100)

        pb = ItemProgressBar(self.filesView)
        pb.setRange(0, 100)
        pb.setTextVisible(False)

        task.advanced.connect(pb.advance)
        task.advanced.connect(self.progress.advance)
        task.finished.connect(pb.hide)
        task.finished.connect(self.onDownloadFinished, Qt.QueuedConnection)
        task.exception.connect(self.onDownloadError, Qt.QueuedConnection)

        self.filesView.setItemWidget(tree_item, 2, pb)

        # Clear the text so it does not show behind the progress bar.
        tree_item.setData(2, Qt.DisplayRole, "")
        pb.show()

        # Disable the options widget
        opt_widget.setEnabled(False)
        self._tasks.append(task)

        self.executor.submit(task)

    def EndDownloadTask(self, task):
        future = task.future()
        index = self.updateItemIndex(task.domain, task.filename)
        item, tree_item, opt_widget = self.updateItems[index]

        self.filesView.removeItemWidget(tree_item, 2)
        opt_widget.setEnabled(True)

        if future.cancelled():
            # Restore the previous state
            tree_item.setUpdateItem(item)
            opt_widget.setState(item.state)

        elif future.exception():
            tree_item.setUpdateItem(item)
            opt_widget.setState(item.state)

            # Show the exception string in the size column.
            self.warning(0, "Error while downloading. Check your connection "
                            "and retry.")

            # recreate button for download
            button = QToolButton(
                None, text="Retry",
                maximumWidth=120,
                minimumHeight=20,
                maximumHeight=20
            )

            if sys.platform == "darwin":
                button.setAttribute(Qt.WA_MacSmallSize)

            button.clicked.connect(
                partial(self.SubmitDownloadTask, item.domain,
                        item.filename)
            )

            self.filesView.setItemWidget(tree_item, 2, button)

        else:
            # get the new updated info dict and replace the the old item
            self.warning(0)
            info = serverfiles.info(item.domain, item.filename)
            new_item = update_item_from_info(item.domain, item.filename,
                                             info, info)

            self.updateItems[index] = (new_item, tree_item, opt_widget)

            tree_item.setUpdateItem(new_item)
            opt_widget.setState(new_item.state)

            self.UpdateInfoLabel()

    def SubmitRemoveTask(self, domain, filename):
        serverfiles.LOCALFILES.remove(domain, filename)
        index = self.updateItemIndex(domain, filename)
        item, tree_item, opt_widget = self.updateItems[index]

        if item.info_server:
            new_item = item._replace(state=AVAILABLE, local=None,
                                      info_local=None)
        else:
            new_item = item._replace(local=None, info_local=None)
            # Disable the options widget. No more actions can be performed
            # for the item.
            opt_widget.setEnabled(False)

        tree_item.setUpdateItem(new_item)
        opt_widget.setState(new_item.state)
        self.updateItems[index] = (new_item, tree_item, opt_widget)

        self.UpdateInfoLabel()

    def Cancel(self):
        """
        Cancel all pending update/download tasks (that have not yet started).
        """
        for task in self._tasks:
            task.future().cancel()

    def onDeleteWidget(self):
        self.Cancel()
        self.executor.shutdown(wait=False)
        OWWidget.onDeleteWidget(self)

    def onDownloadFinished(self):
        # on download completed/canceled/error
        assert QThread.currentThread() is self.thread()
        for task in list(self._tasks):
            future = task.future()
            if future.done():
                self.EndDownloadTask(task)
                self._tasks.remove(task)

        if not self._tasks:
            # Clear/reset the overall progress
            self.progress.setRange(0, 0)
            self.cancelButton.setEnabled(False)

    def onDownloadError(self, exc_info):
        sys.excepthook(*exc_info)
        self.warning(0, "Error while downloading. Check your connection and "
                        "retry.")

    def updateItemIndex(self, domain, filename):
        for i, (item, _, _) in enumerate(self.updateItems):
            if item.domain == domain and item.filename == filename:
                return i
        raise ValueError("%r, %r not in update list" % (domain, filename))

    def _updateProgress(self, *args):
        rmin, rmax = self.progress.range()
        if rmin != rmax:
            if not self._haveProgress:
                self._haveProgress = True
                self.progressBarInit()

            self.progressBarSet(self.progress.ratioCompleted() * 100,
                                processEvents=None)
        if rmin == rmax:
            self._haveProgress = False
            self.progressBarFinished()
class OWSetEnrichment(widget.OWWidget):
    name = "Set Enrichment"
    description = ""
    icon = "../widgets/icons/GeneSetEnrichment.svg"
    priority = 5000

    inputs = [("Data", Orange.data.Table, "setData", widget.Default),
              ("Reference", Orange.data.Table, "setReference")]
    outputs = [("Data subset", Orange.data.Table)]

    settingsHandler = settings.DomainContextHandler()

    taxid = settings.ContextSetting(None)
    speciesIndex = settings.ContextSetting(0)
    genesinrows = settings.ContextSetting(False)
    geneattr = settings.ContextSetting(0)
    categoriesCheckState = settings.ContextSetting({})

    useReferenceData = settings.Setting(False)
    useMinCountFilter = settings.Setting(True)
    useMaxPValFilter = settings.Setting(True)
    useMaxFDRFilter = settings.Setting(True)
    minClusterCount = settings.Setting(3)
    maxPValue = settings.Setting(0.01)
    maxFDR = settings.Setting(0.01)
    autocommit = settings.Setting(False)

    Ready, Initializing, Loading, RunningEnrichment = 0, 1, 2, 4

    def __init__(self, parent=None):
        super().__init__(parent)

        self.geneMatcherSettings = [False, False, True, False]

        self.data = None
        self.referenceData = None
        self.taxid_list = []

        self.__genematcher = (None, fulfill(gene.matcher([])))
        self.__invalidated = False

        self.currentAnnotatedCategories = []
        self.state = None
        self.__state = OWSetEnrichment.Initializing

        box = gui.widgetBox(self.controlArea, "Info")
        self.infoBox = gui.widgetLabel(box, "Info")
        self.infoBox.setText("No data on input.\n")

        self.speciesComboBox = gui.comboBox(
            self.controlArea,
            self,
            "speciesIndex",
            "Species",
            callback=self.__on_speciesIndexChanged)

        box = gui.widgetBox(self.controlArea, "Entity names")
        self.geneAttrComboBox = gui.comboBox(box,
                                             self,
                                             "geneattr",
                                             "Entity feature",
                                             sendSelectedValue=0,
                                             callback=self.updateAnnotations)

        cb = gui.checkBox(box,
                          self,
                          "genesinrows",
                          "Use feature names",
                          callback=self.updateAnnotations,
                          disables=[(-1, self.geneAttrComboBox)])
        cb.makeConsistent()

        #         gui.button(box, self, "Gene matcher settings",
        #                    callback=self.updateGeneMatcherSettings,
        #                    tooltip="Open gene matching settings dialog")

        self.referenceRadioBox = gui.radioButtonsInBox(
            self.controlArea,
            self,
            "useReferenceData", ["All entities", "Reference set (input)"],
            tooltips=[
                "Use entire genome (for gene set enrichment) or all " +
                "available entities for reference",
                "Use entities from Reference Examples input signal " +
                "as reference"
            ],
            box="Reference",
            callback=self.updateAnnotations)

        box = gui.widgetBox(self.controlArea, "Entity Sets")
        self.groupsWidget = QTreeWidget(self)
        self.groupsWidget.setHeaderLabels(["Category"])
        box.layout().addWidget(self.groupsWidget)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(10)
        hWidget = gui.widgetBox(self.mainArea, orientation=hLayout)
        gui.spin(hWidget,
                 self,
                 "minClusterCount",
                 0,
                 100,
                 label="Entities",
                 tooltip="Minimum entity count",
                 callback=self.filterAnnotationsChartView,
                 callbackOnReturn=True,
                 checked="useMinCountFilter",
                 checkCallback=self.filterAnnotationsChartView)

        pvalfilterbox = gui.widgetBox(hWidget, orientation="horizontal")
        cb = gui.checkBox(pvalfilterbox,
                          self,
                          "useMaxPValFilter",
                          "p-value",
                          callback=self.filterAnnotationsChartView)

        sp = gui.doubleSpin(
            pvalfilterbox,
            self,
            "maxPValue",
            0.0,
            1.0,
            0.0001,
            tooltip="Maximum p-value",
            callback=self.filterAnnotationsChartView,
            callbackOnReturn=True,
        )
        sp.setEnabled(self.useMaxFDRFilter)
        cb.toggled[bool].connect(sp.setEnabled)

        pvalfilterbox.layout().setAlignment(cb, Qt.AlignRight)
        pvalfilterbox.layout().setAlignment(sp, Qt.AlignLeft)

        fdrfilterbox = gui.widgetBox(hWidget, orientation="horizontal")
        cb = gui.checkBox(fdrfilterbox,
                          self,
                          "useMaxFDRFilter",
                          "FDR",
                          callback=self.filterAnnotationsChartView)

        sp = gui.doubleSpin(
            fdrfilterbox,
            self,
            "maxFDR",
            0.0,
            1.0,
            0.0001,
            tooltip="Maximum False discovery rate",
            callback=self.filterAnnotationsChartView,
            callbackOnReturn=True,
        )
        sp.setEnabled(self.useMaxFDRFilter)
        cb.toggled[bool].connect(sp.setEnabled)

        fdrfilterbox.layout().setAlignment(cb, Qt.AlignRight)
        fdrfilterbox.layout().setAlignment(sp, Qt.AlignLeft)

        self.filterLineEdit = QLineEdit(self, placeholderText="Filter ...")

        self.filterCompleter = QCompleter(self.filterLineEdit)
        self.filterCompleter.setCaseSensitivity(Qt.CaseInsensitive)
        self.filterLineEdit.setCompleter(self.filterCompleter)

        hLayout.addWidget(self.filterLineEdit)
        self.mainArea.layout().addWidget(hWidget)

        self.filterLineEdit.textChanged.connect(
            self.filterAnnotationsChartView)

        self.annotationsChartView = QTreeView(
            alternatingRowColors=True,
            sortingEnabled=True,
            selectionMode=QTreeView.ExtendedSelection,
            rootIsDecorated=False,
            editTriggers=QTreeView.NoEditTriggers,
        )
        self.annotationsChartView.viewport().setMouseTracking(True)
        self.mainArea.layout().addWidget(self.annotationsChartView)

        contextEventFilter = gui.VisibleHeaderSectionContextEventFilter(
            self.annotationsChartView)
        self.annotationsChartView.header().installEventFilter(
            contextEventFilter)

        self.groupsWidget.itemClicked.connect(self.subsetSelectionChanged)
        gui.auto_commit(self.controlArea, self, "autocommit", "Commit")

        self.setBlocking(True)

        task = EnsureDownloaded([(taxonomy.Taxonomy.DOMAIN,
                                  taxonomy.Taxonomy.FILENAME),
                                 (geneset.sfdomain, "index.pck")])

        task.finished.connect(self.__initialize_finish)
        self.setStatusMessage("Initializing")
        self._executor = ThreadExecutor(parent=self,
                                        threadPool=QThreadPool(self))
        self._executor.submit(task)

    def sizeHint(self):
        return QSize(1024, 600)

    def __initialize_finish(self):
        # Finalize the the widget's initialization (preferably after
        # ensuring all required databases have been downloaded.

        sets = geneset.list_all()
        taxids = set(taxonomy.common_taxids() +
                     list(filter(None, [tid for _, tid, _ in sets])))
        organisms = [(tid, name_or_none(tid)) for tid in taxids]
        organisms = [(tid, name) for tid, name in organisms
                     if name is not None]

        organisms = [(None, "None")] + sorted(organisms)
        taxids = [tid for tid, _ in organisms]
        names = [name for _, name in organisms]
        self.taxid_list = taxids

        self.speciesComboBox.clear()
        self.speciesComboBox.addItems(names)
        self.genesets = sets

        if self.taxid in self.taxid_list:
            taxid = self.taxid
        else:
            taxid = self.taxid_list[0]

        self.taxid = None
        self.setCurrentOrganism(taxid)
        self.setBlocking(False)
        self.__state = OWSetEnrichment.Ready
        self.setStatusMessage("")

    def setCurrentOrganism(self, taxid):
        """Set the current organism `taxid`."""
        if taxid not in self.taxid_list:
            taxid = self.taxid_list[min(self.speciesIndex,
                                        len(self.taxid_list) - 1)]
        if self.taxid != taxid:
            self.taxid = taxid
            self.speciesIndex = self.taxid_list.index(taxid)
            self.refreshHierarchy()
            self._invalidateGeneMatcher()
            self._invalidate()

    def currentOrganism(self):
        """Return the current organism taxid"""
        return self.taxid

    def __on_speciesIndexChanged(self):
        taxid = self.taxid_list[self.speciesIndex]
        self.taxid = "< Do not look >"
        self.setCurrentOrganism(taxid)
        if self.__invalidated and self.data is not None:
            self.updateAnnotations()

    def clear(self):
        """Clear/reset the widget state."""
        self._cancelPending()
        self.state = None

        self.__state = self.__state & ~OWSetEnrichment.RunningEnrichment

        self._clearView()

        if self.annotationsChartView.model() is not None:
            self.annotationsChartView.model().clear()

        self.geneAttrComboBox.clear()
        self.geneAttrs = []
        self._updatesummary()

    def _cancelPending(self):
        """Cancel pending tasks."""
        if self.state is not None:
            self.state.results.cancel()
            self.state.namematcher.cancel()
            self.state.cancelled = True

    def _clearView(self):
        """Clear the enrichment report view (main area)."""
        if self.annotationsChartView.model() is not None:
            self.annotationsChartView.model().clear()

    def setData(self, data=None):
        """Set the input dataset with query gene names"""
        if self.__state & OWSetEnrichment.Initializing:
            self.__initialize_finish()

        self.error(0)
        self.closeContext()
        self.clear()

        self.groupsWidget.clear()
        self.data = data

        if data is not None:
            varlist = [
                var for var in data.domain.variables + data.domain.metas
                if isinstance(var, Orange.data.StringVariable)
            ]

            self.geneAttrs = varlist
            for var in varlist:
                self.geneAttrComboBox.addItem(*gui.attributeItem(var))

            oldtaxid = self.taxid
            self.geneattr = min(self.geneattr, len(self.geneAttrs) - 1)

            taxid = data_hints.get_hint(data, "taxid", "")
            if taxid in self.taxid_list:
                self.speciesIndex = self.taxid_list.index(taxid)
                self.taxid = taxid

            self.genesinrows = data_hints.get_hint(data, "genesinrows",
                                                   self.genesinrows)

            self.openContext(data)
            if oldtaxid != self.taxid:
                self.taxid = "< Do not look >"
                self.setCurrentOrganism(taxid)

            self.refreshHierarchy()
            self._invalidate()

    def setReference(self, data=None):
        """Set the (optional) input dataset with reference gene names."""
        self.referenceData = data
        self.referenceRadioBox.setEnabled(bool(data))
        if self.useReferenceData:
            self._invalidate()

    def handleNewSignals(self):
        if self.__invalidated:
            self.updateAnnotations()

    def _invalidateGeneMatcher(self):
        _, f = self.__genematcher
        f.cancel()
        self.__genematcher = (None, fulfill(gene.matcher([])))

    def _invalidate(self):
        self.__invalidated = True

    def genesFromTable(self, table):
        if self.genesinrows:
            genes = [attr.name for attr in table.domain.attributes]
        else:
            geneattr = self.geneAttrs[self.geneattr]
            genes = [str(ex[geneattr]) for ex in table]
        return genes

    def getHierarchy(self, taxid):
        def recursive_dict():
            return defaultdict(recursive_dict)

        collection = recursive_dict()

        def collect(col, hier):
            if hier:
                collect(col[hier[0]], hier[1:])

        for hierarchy, t_id, _ in self.genesets:
            collect(collection[t_id], hierarchy)

        return (taxid, collection[taxid]), (None, collection[None])

    def setHierarchy(self, hierarchy, hierarchy_noorg):
        self.groupsWidgetItems = {}

        def fill(col, parent, full=(), org=""):
            for key, value in sorted(col.items()):
                full_cat = full + (key, )
                item = QTreeWidgetItem(parent, [key])
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable
                              | Qt.ItemIsSelectable | Qt.ItemIsEnabled)
                if value:
                    item.setFlags(item.flags() | Qt.ItemIsTristate)

                checked = self.categoriesCheckState.get((full_cat, org),
                                                        Qt.Checked)
                item.setData(0, Qt.CheckStateRole, checked)
                item.setExpanded(True)
                item.category = full_cat
                item.organism = org
                self.groupsWidgetItems[full_cat] = item
                fill(value, item, full_cat, org=org)

        self.groupsWidget.clear()
        fill(hierarchy[1], self.groupsWidget, org=hierarchy[0])
        fill(hierarchy_noorg[1], self.groupsWidget, org=hierarchy_noorg[0])

    def refreshHierarchy(self):
        self.setHierarchy(*self.getHierarchy(
            taxid=self.taxid_list[self.speciesIndex]))

    def selectedCategories(self):
        """
        Return a list of currently selected hierarchy keys.

        A key is a tuple of identifiers from the root to the leaf of
        the hierarchy tree.
        """
        return [
            key for key, check in self.getHierarchyCheckState().items()
            if check == Qt.Checked
        ]

    def getHierarchyCheckState(self):
        def collect(item, full=()):
            checked = item.checkState(0)
            name = str(item.data(0, Qt.DisplayRole))
            full_cat = full + (name, )
            result = [((full_cat, item.organism), checked)]
            for i in range(item.childCount()):
                result.extend(collect(item.child(i), full_cat))
            return result

        items = [
            self.groupsWidget.topLevelItem(i)
            for i in range(self.groupsWidget.topLevelItemCount())
        ]
        states = itertools.chain(*(collect(item) for item in items))
        return dict(states)

    def subsetSelectionChanged(self, item, column):
        # The selected geneset (hierarchy) subset has been changed by the
        # user. Update the displayed results.
        # Update the stored state (persistent settings)
        self.categoriesCheckState = self.getHierarchyCheckState()
        categories = self.selectedCategories()

        if self.data is not None:
            if self._nogenematching() or \
                    not set(categories) <= set(self.currentAnnotatedCategories):
                self.updateAnnotations()
            else:
                self.filterAnnotationsChartView()

    def updateGeneMatcherSettings(self):
        raise NotImplementedError

        from .OWGOEnrichmentAnalysis import GeneMatcherDialog
        dialog = GeneMatcherDialog(self,
                                   defaults=self.geneMatcherSettings,
                                   enabled=[True] * 4,
                                   modal=True)
        if dialog.exec_():
            self.geneMatcherSettings = [
                getattr(dialog, item[0]) for item in dialog.items
            ]
            self._invalidateGeneMatcher()
            if self.data is not None:
                self.updateAnnotations()

    def _genematcher(self):
        """
        Return a Future[gene.SequenceMatcher]
        """
        taxid = self.taxid_list[self.speciesIndex]

        current, matcher_f = self.__genematcher

        if taxid == current and \
                not matcher_f.cancelled():
            return matcher_f

        self._invalidateGeneMatcher()

        if taxid is None:
            self.__genematcher = (None, fulfill(gene.matcher([])))
            return self.__genematcher[1]

        matchers = [gene.GMGO, gene.GMKEGG, gene.GMNCBI, gene.GMAffy]
        matchers = [
            m for m, use in zip(matchers, self.geneMatcherSettings) if use
        ]

        def create():
            return gene.matcher([m(taxid) for m in matchers])

        matcher_f = self._executor.submit(create)
        self.__genematcher = (taxid, matcher_f)
        return self.__genematcher[1]

    def _nogenematching(self):
        return self.taxid is None or not any(self.geneMatcherSettings)

    def updateAnnotations(self):
        if self.data is None:
            return

        assert not self.__state & OWSetEnrichment.Initializing
        self._cancelPending()
        self._clearView()

        self.information(0)
        self.warning(0)
        self.error(0)

        if not self.genesinrows and len(self.geneAttrs) == 0:
            self.error(0, "Input data contains no columns with gene names")
            return

        self.__state = OWSetEnrichment.RunningEnrichment

        taxid = self.taxid_list[self.speciesIndex]
        self.taxid = taxid

        categories = self.selectedCategories()

        clusterGenes = self.genesFromTable(self.data)

        if self.referenceData is not None and self.useReferenceData:
            referenceGenes = self.genesFromTable(self.referenceData)
        else:
            referenceGenes = None

        self.currentAnnotatedCategories = categories

        genematcher = self._genematcher()

        self.progressBarInit()

        ## Load collections in a worker thread
        # TODO: Use cached collections if already loaded and
        # use ensure_genesetsdownloaded with progress report (OWSelectGenes)
        collections = self._executor.submit(geneset.collections, *categories)

        def refset_null():
            """Return the default background reference set"""
            col = collections.result()
            return reduce(operator.ior, (set(g.genes) for g in col), set())

        def refset_ncbi():
            """Return all NCBI gene names"""
            geneinfo = gene.NCBIGeneInfo(taxid)
            return set(geneinfo.keys())

        def namematcher():
            matcher = genematcher.result()
            match = matcher.set_targets(ref_set.result())
            match.umatch = memoize(match.umatch)
            return match

        def map_unames():
            matcher = namematcher.result()
            query = list(filter(None, map(matcher.umatch, querynames)))
            reference = list(
                filter(None, map(matcher.umatch, ref_set.result())))
            return query, reference

        if self._nogenematching():
            if referenceGenes is None:
                ref_set = self._executor.submit(refset_null)
            else:
                ref_set = fulfill(referenceGenes)
        else:
            if referenceGenes == None:
                ref_set = self._executor.submit(refset_ncbi)
            else:
                ref_set = fulfill(referenceGenes)

        namematcher = self._executor.submit(namematcher)
        querynames = clusterGenes

        state = types.SimpleNamespace()
        state.query_set = clusterGenes
        state.reference_set = referenceGenes
        state.namematcher = namematcher
        state.query_count = len(set(clusterGenes))
        state.reference_count = (len(set(referenceGenes))
                                 if referenceGenes is not None else None)

        state.cancelled = False

        progress = methodinvoke(self, "_setProgress", (float, ))
        info = methodinvoke(self, "_setRunInfo", (str, ))

        @withtraceback
        def run():
            info("Loading data")
            match = namematcher.result()
            query, reference = map_unames()
            gscollections = collections.result()

            results = []
            info("Running enrichment")
            p = 0
            for i, gset in enumerate(gscollections):
                genes = set(filter(None, map(match.umatch, gset.genes)))
                enr = set_enrichment(genes, reference, query)
                results.append((gset, enr))

                if state.cancelled:
                    raise UserInteruptException

                pnew = int(100 * i / len(gscollections))
                if pnew != p:
                    progress(pnew)
                    p = pnew
            progress(100)
            info("")
            return query, reference, results

        task = Task(function=run)
        task.resultReady.connect(self.__on_enrichment_finished)
        task.exceptionReady.connect(self.__on_enrichment_failed)
        result = self._executor.submit(task)
        state.results = result

        self.state = state
        self._updatesummary()

    def __on_enrichment_failed(self, exception):
        if not isinstance(exception, UserInteruptException):
            print("ERROR:", exception, file=sys.stderr)
            print(exception._traceback, file=sys.stderr)

        self.progressBarFinished()
        self.setStatusMessage("")
        self.__state &= ~OWSetEnrichment.RunningEnrichment

    def __on_enrichment_finished(self, results):
        assert QThread.currentThread() is self.thread()
        self.__state &= ~OWSetEnrichment.RunningEnrichment

        query, reference, results = results

        if self.annotationsChartView.model():
            self.annotationsChartView.model().clear()

        nquery = len(query)
        nref = len(reference)
        maxcount = max((len(e.query_mapped) for _, e in results), default=1)
        maxrefcount = max((len(e.reference_mapped) for _, e in results),
                          default=1)
        nspaces = int(math.ceil(math.log10(maxcount or 1)))
        refspaces = int(math.ceil(math.log(maxrefcount or 1)))
        query_fmt = "%" + str(nspaces) + "s  (%.2f%%)"
        ref_fmt = "%" + str(refspaces) + "s  (%.2f%%)"

        def fmt_count(fmt, count, total):
            return fmt % (count, 100.0 * count / (total or 1))

        fmt_query_count = partial(fmt_count, query_fmt)
        fmt_ref_count = partial(fmt_count, ref_fmt)

        linkFont = QFont(self.annotationsChartView.viewOptions().font)
        linkFont.setUnderline(True)

        def item(value=None, tooltip=None, user=None):
            si = QStandardItem()
            if value is not None:
                si.setData(value, Qt.DisplayRole)
            if tooltip is not None:
                si.setData(tooltip, Qt.ToolTipRole)
            if user is not None:
                si.setData(user, Qt.UserRole)
            else:
                si.setData(value, Qt.UserRole)
            return si

        model = QStandardItemModel()
        model.setSortRole(Qt.UserRole)
        model.setHorizontalHeaderLabels([
            "Category", "Term", "Count", "Reference count", "p-value", "FDR",
            "Enrichment"
        ])
        for i, (gset, enrich) in enumerate(results):
            if len(enrich.query_mapped) == 0:
                continue
            nquery_mapped = len(enrich.query_mapped)
            nref_mapped = len(enrich.reference_mapped)

            row = [
                item(", ".join(gset.hierarchy)),
                item(gsname(gset), tooltip=gset.link),
                item(fmt_query_count(nquery_mapped, nquery),
                     tooltip=nquery_mapped,
                     user=nquery_mapped),
                item(fmt_ref_count(nref_mapped, nref),
                     tooltip=nref_mapped,
                     user=nref_mapped),
                item(fmtp(enrich.p_value), user=enrich.p_value),
                item(
                ),  # column 5, FDR, is computed in filterAnnotationsChartView
                item(enrich.enrichment_score,
                     tooltip="%.3f" % enrich.enrichment_score,
                     user=enrich.enrichment_score)
            ]
            row[0].geneset = gset
            row[0].enrichment = enrich
            row[1].setData(gset.link, gui.LinkRole)
            row[1].setFont(linkFont)
            row[1].setForeground(QColor(Qt.blue))

            model.appendRow(row)

        self.annotationsChartView.setModel(model)
        self.annotationsChartView.selectionModel().selectionChanged.connect(
            self.commit)

        if not model.rowCount():
            self.warning(0, "No enriched sets found.")
        else:
            self.warning(0)

        allnames = set(
            gsname(geneset) for geneset, (count, _, _, _) in results if count)

        allnames |= reduce(operator.ior,
                           (set(word_split(name)) for name in allnames), set())

        self.filterCompleter.setModel(None)
        self.completerModel = QStringListModel(sorted(allnames))
        self.filterCompleter.setModel(self.completerModel)

        if results:
            max_score = max(
                (e.enrichment_score
                 for _, e in results if np.isfinite(e.enrichment_score)),
                default=1)

            self.annotationsChartView.setItemDelegateForColumn(
                6, BarItemDelegate(self, scale=(0.0, max_score)))

        self.annotationsChartView.setItemDelegateForColumn(
            1, gui.LinkStyledItemDelegate(self.annotationsChartView))

        header = self.annotationsChartView.header()
        for i in range(model.columnCount()):
            sh = self.annotationsChartView.sizeHintForColumn(i)
            sh = max(sh, header.sectionSizeHint(i))
            self.annotationsChartView.setColumnWidth(i, max(min(sh, 300), 30))


#             self.annotationsChartView.resizeColumnToContents(i)

        self.filterAnnotationsChartView()

        self.progressBarFinished()
        self.setStatusMessage("")

    def _updatesummary(self):
        state = self.state
        if state is None:
            self.error(0, )
            self.warning(0)
            self.infoBox.setText("No data on input.\n")
            return

        text = "{.query_count} unique names on input\n".format(state)

        if state.results.done() and not state.results.exception():
            mapped, _, _ = state.results.result()
            ratio_mapped = (len(mapped) /
                            state.query_count if state.query_count else 0)
            text += ("%i (%.1f%%) gene names matched" %
                     (len(mapped), 100.0 * ratio_mapped))
        elif not state.results.done():
            text += "..."
        else:
            text += "<Error {}>".format(str(state.results.exception()))
        self.infoBox.setText(text)

        # TODO: warn on no enriched sets found (i.e no query genes
        # mapped to any set)

    def filterAnnotationsChartView(self, filterString=""):
        if self.__state & OWSetEnrichment.RunningEnrichment:
            return

        # TODO: Move filtering to a filter proxy model
        # TODO: Re-enable string search

        categories = set(", ".join(cat)
                         for cat, _ in self.selectedCategories())

        #         filterString = str(self.filterLineEdit.text()).lower()

        model = self.annotationsChartView.model()

        def ishidden(index):
            # Is item at index (row) hidden
            item = model.item(index)
            item_cat = item.data(Qt.DisplayRole)
            return item_cat not in categories

        hidemask = [ishidden(i) for i in range(model.rowCount())]

        # compute FDR according the selected categories
        pvals = [
            model.item(i, 4).data(Qt.UserRole)
            for i, hidden in enumerate(hidemask) if not hidden
        ]
        fdrs = utils.stats.FDR(pvals)

        # update FDR for the selected collections and apply filtering rules
        itemsHidden = []
        fdriter = iter(fdrs)
        for index, hidden in enumerate(hidemask):
            if not hidden:
                fdr = next(fdriter)
                pval = model.index(index, 4).data(Qt.UserRole)
                count = model.index(index, 2).data(Qt.ToolTipRole)

                hidden = (self.useMinCountFilter and count < self.minClusterCount) or \
                         (self.useMaxPValFilter and pval > self.maxPValue) or \
                         (self.useMaxFDRFilter and fdr > self.maxFDR)

                if not hidden:
                    fdr_item = model.item(index, 5)
                    fdr_item.setData(fmtpdet(fdr), Qt.ToolTipRole)
                    fdr_item.setData(fmtp(fdr), Qt.DisplayRole)
                    fdr_item.setData(fdr, Qt.UserRole)

            self.annotationsChartView.setRowHidden(index, QModelIndex(),
                                                   hidden)

            itemsHidden.append(hidden)

        if model.rowCount() and all(itemsHidden):
            self.information(0, "All sets were filtered out.")
        else:
            self.information(0)

        self._updatesummary()

    @Slot(float)
    def _setProgress(self, value):
        assert QThread.currentThread() is self.thread()
        self.progressBarSet(value, processEvents=None)

    @Slot(str)
    def _setRunInfo(self, text):
        self.setStatusMessage(text)

    def commit(self):
        if self.data is None or \
                self.__state & OWSetEnrichment.RunningEnrichment:
            return

        model = self.annotationsChartView.model()
        rows = self.annotationsChartView.selectionModel().selectedRows(0)
        selected = [model.item(index.row(), 0) for index in rows]
        mapped = reduce(operator.ior, (set(item.enrichment.query_mapped)
                                       for item in selected), set())
        assert self.state.namematcher.done()
        matcher = self.state.namematcher.result()

        axis = 1 if self.genesinrows else 0
        if axis == 1:
            mapped = [
                attr for attr in self.data.domain.attributes
                if matcher.umatch(attr.name) in mapped
            ]

            newdomain = Orange.data.Domain(mapped, self.data.domain.class_vars,
                                           self.data.domain.metas)
            data = self.data.from_table(newdomain, self.data)
        else:
            geneattr = self.geneAttrs[self.geneattr]
            selected = [
                i for i, ex in enumerate(self.data)
                if matcher.umatch(str(ex[geneattr])) in mapped
            ]
            data = self.data[selected]
        self.send("Data subset", data)

    def onDeleteWidget(self):
        if self.state is not None:
            self._cancelPending()
            self.state = None
        self._executor.shutdown(wait=False)
Beispiel #13
0
class OWGEODatasets(OWWidget):
    name = "GEO Data Sets"
    description = DESCRIPTION
    icon = "../widgets/icons/GEODataSets.svg"
    priority = PRIORITY

    inputs = []
    outputs = [("Expression Data", Orange.data.Table)]

    settingsList = ["outputRows", "mergeSpots", "gdsSelectionStates",
                    "splitterSettings", "currentGds", "autoCommit",
                    "datasetNames"]

    outputRows = Setting(True)
    mergeSpots = Setting(True)
    gdsSelectionStates = Setting({})
    currentGds = Setting(None)
    datasetNames = Setting({})
    splitterSettings = Setting(
        (b'\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x01\xea\x00\x00\x00\xd7\x01\x00\x00\x00\x07\x01\x00\x00\x00\x02',
         b'\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x01\xb5\x00\x00\x02\x10\x01\x00\x00\x00\x07\x01\x00\x00\x00\x01')
    )

    autoCommit = Setting(False)

    def __init__(self, parent=None, signalManager=None, name=" GEO Data Sets"):
        OWWidget.__init__(self, parent, signalManager, name)

        self.selectionChanged = False
        self.filterString = ""
        self.datasetName = ""

        ## GUI
        box = gui.widgetBox(self.controlArea, "Info", addSpace=True)
        self.infoBox = gui.widgetLabel(box, "Initializing\n\n")

        box = gui.widgetBox(self.controlArea, "Output", addSpace=True)
        gui.radioButtonsInBox(box, self, "outputRows",
                              ["Genes in rows", "Samples in rows"], "Rows",
                              callback=self.commitIf)

        gui.checkBox(box, self, "mergeSpots", "Merge spots of same gene",
                     callback=self.commitIf)

        gui.separator(box)
        self.nameEdit = gui.lineEdit(
            box, self, "datasetName", "Data set name",
            tooltip="Override the default output data set name",
            callback=self.onNameEdited
        )
        self.nameEdit.setPlaceholderText("")

        if sys.version_info < (3, ):
            box = gui.widgetBox(self.controlArea, "Commit", addSpace=True)
            self.commitButton = gui.button(
                box, self, "Commit", callback=self.commit)
            cb = gui.checkBox(box, self, "autoCommit", "Commit on any change")
            gui.setStopper(self, self.commitButton, cb, "selectionChanged",
                           self.commit)
        else:
            gui.auto_commit(self.controlArea, self, "autoCommit", "Commit",
                            box="Commit")
            self.commitIf = self.commit

        gui.rubber(self.controlArea)

        gui.widgetLabel(self.mainArea, "Filter")
        self.filterLineEdit = QLineEdit(
            textChanged=self.filter
        )
        self.completer = TokenListCompleter(
            self, caseSensitivity=Qt.CaseInsensitive
        )
        self.filterLineEdit.setCompleter(self.completer)

        self.mainArea.layout().addWidget(self.filterLineEdit)

        splitter = QSplitter(Qt.Vertical, self.mainArea)
        self.mainArea.layout().addWidget(splitter)
        self.treeWidget = QTreeView(splitter)

        self.treeWidget.setSelectionMode(QTreeView.SingleSelection)
        self.treeWidget.setRootIsDecorated(False)
        self.treeWidget.setSortingEnabled(True)
        self.treeWidget.setAlternatingRowColors(True)
        self.treeWidget.setUniformRowHeights(True)
        self.treeWidget.setEditTriggers(QTreeView.NoEditTriggers)

        linkdelegate = LinkStyledItemDelegate(self.treeWidget)
        self.treeWidget.setItemDelegateForColumn(1, linkdelegate)
        self.treeWidget.setItemDelegateForColumn(8, linkdelegate)
        self.treeWidget.setItemDelegateForColumn(
            0, gui.IndicatorItemDelegate(self.treeWidget,
                                         role=Qt.DisplayRole))

        proxyModel = MySortFilterProxyModel(self.treeWidget)
        self.treeWidget.setModel(proxyModel)
        self.treeWidget.selectionModel().selectionChanged.connect(
            self.updateSelection
        )
        self.treeWidget.viewport().setMouseTracking(True)

        splitterH = QSplitter(Qt.Horizontal, splitter)

        box = gui.widgetBox(splitterH, "Description")
        self.infoGDS = gui.widgetLabel(box, "")
        self.infoGDS.setWordWrap(True)
        gui.rubber(box)

        box = gui.widgetBox(splitterH, "Sample Annotations")
        self.annotationsTree = QTreeWidget(box)
        self.annotationsTree.setHeaderLabels(
            ["Type (Sample annotations)", "Sample count"]
        )
        self.annotationsTree.setRootIsDecorated(True)
        box.layout().addWidget(self.annotationsTree)
        self.annotationsTree.itemChanged.connect(
            self.annotationSelectionChanged
        )
        self._annotationsUpdating = False
        self.splitters = splitter, splitterH

        for sp, setting in zip(self.splitters, self.splitterSettings):
            sp.splitterMoved.connect(self.splitterMoved)
            sp.restoreState(setting)

        self.searchKeys = ["dataset_id", "title", "platform_organism",
                           "description"]

        self.gds = []
        self.gds_info = None

        self.resize(1000, 600)

        self.setBlocking(True)
        self.setEnabled(False)
        self.progressBarInit()

        self._executor = ThreadExecutor()

        func = partial(get_gds_model,
                       methodinvoke(self, "_setProgress", (float,)))
        self._inittask = Task(function=func)
        self._inittask.finished.connect(self._initializemodel)
        self._executor.submit(self._inittask)

        self._datatask = None

    @Slot(float)
    def _setProgress(self, value):
        self.progressBarValue = value

    def _initializemodel(self):
        assert self.thread() is QThread.currentThread()
        model, self.gds_info, self.gds = self._inittask.result()
        model.setParent(self)

        proxy = self.treeWidget.model()
        proxy.setFilterKeyColumn(0)
        proxy.setFilterRole(TextFilterRole)
        proxy.setFilterCaseSensitivity(False)
        proxy.setFilterFixedString(self.filterString)

        proxy.setSourceModel(model)
        proxy.sort(0, Qt.DescendingOrder)

        self.progressBarFinished()
        self.setBlocking(False)
        self.setEnabled(True)

        filter_items = " ".join(
            gds[key] for gds in self.gds for key in self.searchKeys
        )
        tr_chars = ",.:;!?(){}[]_-+\\|/%#@$^&*<>~`"
        tr_table = str.maketrans(tr_chars, " " * len(tr_chars))
        filter_items = filter_items.translate(tr_table)

        filter_items = sorted(set(filter_items.split(" ")))
        filter_items = [item for item in filter_items if len(item) > 3]

        self.completer.setTokenList(filter_items)

        if self.currentGds:
            current_id = self.currentGds["dataset_id"]
            gdss = [(i, qunpack(proxy.data(proxy.index(i, 1), Qt.DisplayRole)))
                    for i in range(proxy.rowCount())]
            current = [i for i, data in gdss if data and data == current_id]
            if current:
                current_index = proxy.index(current[0], 0)
                self.treeWidget.selectionModel().select(
                    current_index,
                    QItemSelectionModel.Select | QItemSelectionModel.Rows
                )
                self.treeWidget.scrollTo(
                    current_index, QTreeView.PositionAtCenter)

        for i in range(8):
            self.treeWidget.resizeColumnToContents(i)

        self.treeWidget.setColumnWidth(
            1, min(self.treeWidget.columnWidth(1), 300))
        self.treeWidget.setColumnWidth(
            2, min(self.treeWidget.columnWidth(2), 200))

        self.updateInfo()

    def updateInfo(self):
        gds_info = self.gds_info
        text = ("%i datasets\n%i datasets cached\n" %
                (len(gds_info),
                 len(glob.glob(serverfiles.localpath("GEO") + "/GDS*"))))
        filtered = self.treeWidget.model().rowCount()
        if len(self.gds) != filtered:
            text += ("%i after filtering") % filtered
        self.infoBox.setText(text)

    def updateSelection(self, *args):
        current = self.treeWidget.selectedIndexes()
        mapToSource = self.treeWidget.model().mapToSource
        current = [mapToSource(index).row() for index in current]
        if current:
            self.currentGds = self.gds[current[0]]
            self.setAnnotations(self.currentGds)
            self.infoGDS.setText(self.currentGds.get("description", ""))
            self.nameEdit.setPlaceholderText(self.currentGds["title"])
            self.datasetName = \
                self.datasetNames.get(self.currentGds["dataset_id"], "")
        else:
            self.currentGds = None
            self.nameEdit.setPlaceholderText("")
            self.datasetName = ""

        self.commitIf()

    def setAnnotations(self, gds):
        self._annotationsUpdating = True
        self.annotationsTree.clear()

        annotations = defaultdict(set)
        subsetscount = {}
        for desc in gds["subsets"]:
            annotations[desc["type"]].add(desc["description"])
            subsetscount[desc["description"]] = str(len(desc["sample_id"]))

        for type, subsets in annotations.items():
            key = (gds["dataset_id"], type)
            subsetItem = QTreeWidgetItem(self.annotationsTree, [type])
            subsetItem.setFlags(subsetItem.flags() | Qt.ItemIsUserCheckable |
                                Qt.ItemIsTristate)
            subsetItem.setCheckState(
                0, self.gdsSelectionStates.get(key, Qt.Checked)
            )
            subsetItem.key = key
            for subset in subsets:
                key = (gds["dataset_id"], type, subset)
                item = QTreeWidgetItem(
                    subsetItem, [subset, subsetscount.get(subset, "")]
                )
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
                item.setCheckState(
                    0, self.gdsSelectionStates.get(key, Qt.Checked)
                )
                item.key = key
        self._annotationsUpdating = False
        self.annotationsTree.expandAll()
        for i in range(self.annotationsTree.columnCount()):
            self.annotationsTree.resizeColumnToContents(i)

    def annotationSelectionChanged(self, item, column):
        if self._annotationsUpdating:
            return
        for i in range(self.annotationsTree.topLevelItemCount()):
            item = self.annotationsTree.topLevelItem(i)
            self.gdsSelectionStates[item.key] = item.checkState(0)
            for j in range(item.childCount()):
                child = item.child(j)
                self.gdsSelectionStates[child.key] = child.checkState(0)

    def filter(self):
        filter_string = unicode(self.filterLineEdit.text())
        proxyModel = self.treeWidget.model()
        if proxyModel:
            strings = filter_string.lower().strip().split()
            proxyModel.setFilterFixedStrings(strings)
            self.updateInfo()

    def selectedSamples(self):
        """
        Return the currently selected sample annotations.

        The return value is a list of selected (sample type, sample value)
        tuples.

        .. note:: if some Sample annotation type has no selected values.
                  this method will return all values for it.

        """
        samples = []
        unused_types = []
        used_types = []
        for stype in childiter(self.annotationsTree.invisibleRootItem()):
            selected_values = []
            all_values = []
            for sval in childiter(stype):
                value = (str(stype.text(0)), str(sval.text(0)))
                if self.gdsSelectionStates.get(sval.key, True):
                    selected_values.append(value)
                all_values.append(value)
            if selected_values:
                samples.extend(selected_values)
                used_types.append(str(stype.text(0)))
            else:
                # If no sample of sample type is selected we don't filter
                # on it.
                samples.extend(all_values)
                unused_types.append(str(stype.text(0)))

        return samples, used_types

    def commitIf(self):
        if self.autoCommit:
            self.commit()
        else:
            self.selectionChanged = True

    @Slot(int, int)
    def progressCompleted(self, value, total):
        if total > 0:
            self.progressBarSet(100. * value / total, processEvents=False)
        else:
            pass
            # TODO: report 'indeterminate progress'

    def commit(self):
        if self.currentGds:
            self.error(0)
            sample_type = None
            self.progressBarInit(processEvents=None)

            _, groups = self.selectedSamples()
            if len(groups) == 1 and self.outputRows:
                sample_type = groups[0]

            self.setEnabled(False)
            self.setBlocking(True)

            progress = methodinvoke(self, "progressCompleted", (int, int))

            def get_data(gds_id, report_genes, transpose, sample_type, title):
                gds_ensure_downloaded(gds_id, progress)
                gds = geo.GDS(gds_id)
                data = gds.getdata(
                    report_genes=report_genes, transpose=transpose,
                    sample_type=sample_type
                )
                data.name = title
                return data

            get_data = partial(
                get_data, self.currentGds["dataset_id"],
                report_genes=self.mergeSpots,
                transpose=self.outputRows,
                sample_type=sample_type,
                title=self.datasetName or self.currentGds["title"]
            )
            self._datatask = Task(function=get_data)
            self._datatask.finished.connect(self._on_dataready)
            self._executor.submit(self._datatask)

    def _on_dataready(self):
        self.setEnabled(True)
        self.setBlocking(False)
        self.progressBarFinished(processEvents=False)

        try:
            data = self._datatask.result()
        except urlrequest.URLError as error:
            self.error(0, ("Error while connecting to the NCBI ftp server! "
                           "'%s'" % error))
            sys.excepthook(type(error), error, getattr(error, "__traceback__"))
            return
        finally:
            self._datatask = None

        data_name = data.name
        samples, _ = self.selectedSamples()

        self.warning(0)
        message = None
        if self.outputRows:
            def samplesinst(ex):
                out = []
                for meta in data.domain.metas:
                    out.append((meta.name, ex[meta].value))

                if data.domain.class_var.name != 'class':
                    out.append((data.domain.class_var.name,
                                ex[data.domain.class_var].value))

                return out
            samples = set(samples)
            mask = [samples.issuperset(samplesinst(ex)) for ex in data]
            data = data[numpy.array(mask, dtype=bool)]
            if len(data) == 0:
                message = "No samples with selected sample annotations."
        else:
            samples = set(samples)
            domain = Orange.data.Domain(
                [attr for attr in data.domain.attributes
                 if samples.issuperset(attr.attributes.items())],
                data.domain.class_var,
                data.domain.metas
            )
#             domain.addmetas(data.domain.getmetas())

            if len(domain.attributes) == 0:
                message = "No samples with selected sample annotations."
            stypes = set(s[0] for s in samples)
            for attr in domain.attributes:
                attr.attributes = dict(
                    (key, value) for key, value in attr.attributes.items()
                    if key in stypes
                )
            data = Orange.data.Table(domain, data)

        if message is not None:
            self.warning(0, message)

        data_hints.set_hint(data, "taxid", self.currentGds.get("taxid", ""),
                            10.0)
        data_hints.set_hint(data, "genesinrows", self.outputRows, 10.0)

        data.name = data_name
        self.send("Expression Data", data)

        model = self.treeWidget.model().sourceModel()
        row = self.gds.index(self.currentGds)

        model.setData(model.index(row, 0),  " ", Qt.DisplayRole)

        self.updateInfo()
        self.selectionChanged = False

    def splitterMoved(self, *args):
        self.splitterSettings = [bytes(sp.saveState()) for sp in self.splitters]

    def send_report(self):
        self.report_items("GEO Dataset",
                          [("ID", self.currentGds['dataset_id']), ("Title", self.currentGds['title']),
                           ("Organism", self.currentGds['sample_organism'])])
        self.report_items("Data", [("Samples", self.currentGds['sample_count']),
                                   ("Features", self.currentGds['feature_count']),
                                   ("Genes", self.currentGds['gene_count'])])
        self.report_name("Sample annotations")
        subsets = defaultdict(list)
        for subset in self.currentGds['subsets']:
            subsets[subset['type']].append((subset['description'], len(subset['sample_id'])))
        self.report_html += "<ul>"
        for type in subsets:
            self.report_html += "<b>" + type + ":</b></br>"
            for desc, count in subsets[type]:
                self.report_html += 9 * "&nbsp" + "<b>{}:</b> {}</br>".format(desc, count)
        self.report_html += "</ul>"

    def onDeleteWidget(self):
        if self._inittask:
            self._inittask.future().cancel()
            self._inittask.finished.disconnect(self._initializemodel)
        if self._datatask:
            self._datatask.future().cancel()
            self._datatask.finished.disconnect(self._on_dataready)
        self._executor.shutdown(wait=False)

        super(OWGEODatasets, self).onDeleteWidget()

    def onNameEdited(self):
        if self.currentGds:
            gds_id = self.currentGds["dataset_id"]
            self.datasetNames[gds_id] = unicode(self.nameEdit.text())
            self.commitIf()
class OWSetEnrichment(widget.OWWidget):
    name = "Set Enrichment"
    description = ""
    icon = "../widgets/icons/GeneSetEnrichment.svg"
    priority = 5000

    inputs = [("Data", Orange.data.Table, "setData", widget.Default),
              ("Reference", Orange.data.Table, "setReference")]
    outputs = [("Data subset", Orange.data.Table)]

    settingsHandler = settings.DomainContextHandler()

    taxid = settings.ContextSetting(None)
    speciesIndex = settings.ContextSetting(0)
    genesinrows = settings.ContextSetting(False)
    geneattr = settings.ContextSetting(0)
    categoriesCheckState = settings.ContextSetting({})

    useReferenceData = settings.Setting(False)
    useMinCountFilter = settings.Setting(True)
    useMaxPValFilter = settings.Setting(True)
    useMaxFDRFilter = settings.Setting(True)
    minClusterCount = settings.Setting(3)
    maxPValue = settings.Setting(0.01)
    maxFDR = settings.Setting(0.01)
    autocommit = settings.Setting(False)

    Ready, Initializing, Loading, RunningEnrichment = 0, 1, 2, 4

    def __init__(self, parent=None):
        super().__init__(parent)

        self.geneMatcherSettings = [False, False, True, False]

        self.data = None
        self.referenceData = None
        self.taxid_list = []

        self.__genematcher = (None, fulfill(gene.matcher([])))
        self.__invalidated = False

        self.currentAnnotatedCategories = []
        self.state = None
        self.__state = OWSetEnrichment.Initializing

        box = gui.widgetBox(self.controlArea, "Info")
        self.infoBox = gui.widgetLabel(box, "Info")
        self.infoBox.setText("No data on input.\n")

        self.speciesComboBox = gui.comboBox(
            self.controlArea, self,
            "speciesIndex", "Species",
            callback=self.__on_speciesIndexChanged)

        box = gui.widgetBox(self.controlArea, "Entity names")
        self.geneAttrComboBox = gui.comboBox(
            box, self, "geneattr", "Entity feature", sendSelectedValue=0,
            callback=self.updateAnnotations)

        cb = gui.checkBox(
            box, self, "genesinrows", "Use feature names",
            callback=self.updateAnnotations,
            disables=[(-1, self.geneAttrComboBox)])
        cb.makeConsistent()

#         gui.button(box, self, "Gene matcher settings",
#                    callback=self.updateGeneMatcherSettings,
#                    tooltip="Open gene matching settings dialog")

        self.referenceRadioBox = gui.radioButtonsInBox(
            self.controlArea,
            self, "useReferenceData",
            ["All entities", "Reference set (input)"],
            tooltips=["Use entire genome (for gene set enrichment) or all " +
                      "available entities for reference",
                      "Use entities from Reference Examples input signal " +
                      "as reference"],
            box="Reference", callback=self.updateAnnotations)

        box = gui.widgetBox(self.controlArea, "Entity Sets")
        self.groupsWidget = QTreeWidget(self)
        self.groupsWidget.setHeaderLabels(["Category"])
        box.layout().addWidget(self.groupsWidget)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(10)
        hWidget = gui.widgetBox(self.mainArea, orientation=hLayout)
        gui.spin(hWidget, self, "minClusterCount",
                 0, 100, label="Entities",
                 tooltip="Minimum entity count",
                 callback=self.filterAnnotationsChartView,
                 callbackOnReturn=True,
                 checked="useMinCountFilter",
                 checkCallback=self.filterAnnotationsChartView)

        pvalfilterbox = gui.widgetBox(hWidget, orientation="horizontal")
        cb = gui.checkBox(
            pvalfilterbox, self, "useMaxPValFilter", "p-value",
            callback=self.filterAnnotationsChartView)

        sp = gui.doubleSpin(
            pvalfilterbox, self, "maxPValue", 0.0, 1.0, 0.0001,
            tooltip="Maximum p-value",
            callback=self.filterAnnotationsChartView,
            callbackOnReturn=True,
        )
        sp.setEnabled(self.useMaxFDRFilter)
        cb.toggled[bool].connect(sp.setEnabled)

        pvalfilterbox.layout().setAlignment(cb, Qt.AlignRight)
        pvalfilterbox.layout().setAlignment(sp, Qt.AlignLeft)

        fdrfilterbox = gui.widgetBox(hWidget, orientation="horizontal")
        cb = gui.checkBox(
            fdrfilterbox, self, "useMaxFDRFilter", "FDR",
            callback=self.filterAnnotationsChartView)

        sp = gui.doubleSpin(
            fdrfilterbox, self, "maxFDR", 0.0, 1.0, 0.0001,
            tooltip="Maximum False discovery rate",
            callback=self.filterAnnotationsChartView,
            callbackOnReturn=True,
        )
        sp.setEnabled(self.useMaxFDRFilter)
        cb.toggled[bool].connect(sp.setEnabled)

        fdrfilterbox.layout().setAlignment(cb, Qt.AlignRight)
        fdrfilterbox.layout().setAlignment(sp, Qt.AlignLeft)

        self.filterLineEdit = QLineEdit(
            self, placeholderText="Filter ...")

        self.filterCompleter = QCompleter(self.filterLineEdit)
        self.filterCompleter.setCaseSensitivity(Qt.CaseInsensitive)
        self.filterLineEdit.setCompleter(self.filterCompleter)

        hLayout.addWidget(self.filterLineEdit)
        self.mainArea.layout().addWidget(hWidget)

        self.filterLineEdit.textChanged.connect(
            self.filterAnnotationsChartView)

        self.annotationsChartView = QTreeView(
            alternatingRowColors=True,
            sortingEnabled=True,
            selectionMode=QTreeView.ExtendedSelection,
            rootIsDecorated=False,
            editTriggers=QTreeView.NoEditTriggers,
        )
        self.annotationsChartView.viewport().setMouseTracking(True)
        self.mainArea.layout().addWidget(self.annotationsChartView)

        contextEventFilter = gui.VisibleHeaderSectionContextEventFilter(
            self.annotationsChartView)
        self.annotationsChartView.header().installEventFilter(contextEventFilter)

        self.groupsWidget.itemClicked.connect(self.subsetSelectionChanged)
        gui.auto_commit(self.controlArea, self, "autocommit", "Commit")

        self.setBlocking(True)

        task = EnsureDownloaded(
            [(taxonomy.Taxonomy.DOMAIN, taxonomy.Taxonomy.FILENAME),
             (geneset.sfdomain, "index.pck")]
        )

        task.finished.connect(self.__initialize_finish)
        self.setStatusMessage("Initializing")
        self._executor = ThreadExecutor(
            parent=self, threadPool=QThreadPool(self))
        self._executor.submit(task)

    def sizeHint(self):
        return QSize(1024, 600)

    def __initialize_finish(self):
        # Finalize the the widget's initialization (preferably after
        # ensuring all required databases have been downloaded.

        sets = geneset.list_all()
        taxids = set(taxonomy.common_taxids() +
                     list(filter(None, [tid for _, tid, _ in sets])))
        organisms = [(tid, name_or_none(tid)) for tid in taxids]
        organisms = [(tid, name) for tid, name in organisms
                     if name is not None]

        organisms = [(None, "None")] + sorted(organisms)
        taxids = [tid for tid, _ in organisms]
        names = [name for _, name in organisms]
        self.taxid_list = taxids

        self.speciesComboBox.clear()
        self.speciesComboBox.addItems(names)
        self.genesets = sets

        if self.taxid in self.taxid_list:
            taxid = self.taxid
        else:
            taxid = self.taxid_list[0]

        self.taxid = None
        self.setCurrentOrganism(taxid)
        self.setBlocking(False)
        self.__state = OWSetEnrichment.Ready
        self.setStatusMessage("")

    def setCurrentOrganism(self, taxid):
        """Set the current organism `taxid`."""
        if taxid not in self.taxid_list:
            taxid = self.taxid_list[min(self.speciesIndex,
                                        len(self.taxid_list) - 1)]
        if self.taxid != taxid:
            self.taxid = taxid
            self.speciesIndex = self.taxid_list.index(taxid)
            self.refreshHierarchy()
            self._invalidateGeneMatcher()
            self._invalidate()

    def currentOrganism(self):
        """Return the current organism taxid"""
        return self.taxid

    def __on_speciesIndexChanged(self):
        taxid = self.taxid_list[self.speciesIndex]
        self.taxid = "< Do not look >"
        self.setCurrentOrganism(taxid)
        if self.__invalidated and self.data is not None:
            self.updateAnnotations()

    def clear(self):
        """Clear/reset the widget state."""
        self._cancelPending()
        self.state = None

        self.__state = self.__state & ~OWSetEnrichment.RunningEnrichment

        self._clearView()

        if self.annotationsChartView.model() is not None:
            self.annotationsChartView.model().clear()

        self.geneAttrComboBox.clear()
        self.geneAttrs = []
        self._updatesummary()

    def _cancelPending(self):
        """Cancel pending tasks."""
        if self.state is not None:
            self.state.results.cancel()
            self.state.namematcher.cancel()
            self.state.cancelled = True

    def _clearView(self):
        """Clear the enrichment report view (main area)."""
        if self.annotationsChartView.model() is not None:
            self.annotationsChartView.model().clear()

    def setData(self, data=None):
        """Set the input dataset with query gene names"""
        if self.__state & OWSetEnrichment.Initializing:
            self.__initialize_finish()

        self.error(0)
        self.closeContext()
        self.clear()

        self.groupsWidget.clear()
        self.data = data

        if data is not None:
            varlist = [var for var in data.domain.variables + data.domain.metas
                       if isinstance(var, Orange.data.StringVariable)]

            self.geneAttrs = varlist
            for var in varlist:
                self.geneAttrComboBox.addItem(*gui.attributeItem(var))

            oldtaxid = self.taxid
            self.geneattr = min(self.geneattr, len(self.geneAttrs) - 1)

            taxid = data_hints.get_hint(data, "taxid", "")
            if taxid in self.taxid_list:
                self.speciesIndex = self.taxid_list.index(taxid)
                self.taxid = taxid

            self.genesinrows = data_hints.get_hint(
                data, "genesinrows", self.genesinrows)

            self.openContext(data)
            if oldtaxid != self.taxid:
                self.taxid = "< Do not look >"
                self.setCurrentOrganism(taxid)

            self.refreshHierarchy()
            self._invalidate()

    def setReference(self, data=None):
        """Set the (optional) input dataset with reference gene names."""
        self.referenceData = data
        self.referenceRadioBox.setEnabled(bool(data))
        if self.useReferenceData:
            self._invalidate()

    def handleNewSignals(self):
        if self.__invalidated:
            self.updateAnnotations()

    def _invalidateGeneMatcher(self):
        _, f = self.__genematcher
        f.cancel()
        self.__genematcher = (None, fulfill(gene.matcher([])))

    def _invalidate(self):
        self.__invalidated = True

    def genesFromTable(self, table):
        if self.genesinrows:
            genes = [attr.name for attr in table.domain.attributes]
        else:
            geneattr = self.geneAttrs[self.geneattr]
            genes = [str(ex[geneattr]) for ex in table]
        return genes

    def getHierarchy(self, taxid):
        def recursive_dict():
            return defaultdict(recursive_dict)
        collection = recursive_dict()

        def collect(col, hier):
            if hier:
                collect(col[hier[0]], hier[1:])

        for hierarchy, t_id, _ in self.genesets:
            collect(collection[t_id], hierarchy)

        return (taxid, collection[taxid]), (None, collection[None])

    def setHierarchy(self, hierarchy, hierarchy_noorg):
        self.groupsWidgetItems = {}

        def fill(col, parent, full=(), org=""):
            for key, value in sorted(col.items()):
                full_cat = full + (key,)
                item = QTreeWidgetItem(parent, [key])
                item.setFlags(item.flags() | Qt.ItemIsUserCheckable |
                              Qt.ItemIsSelectable | Qt.ItemIsEnabled)
                if value:
                    item.setFlags(item.flags() | Qt.ItemIsTristate)

                checked = self.categoriesCheckState.get(
                    (full_cat, org), Qt.Checked)
                item.setData(0, Qt.CheckStateRole, checked)
                item.setExpanded(True)
                item.category = full_cat
                item.organism = org
                self.groupsWidgetItems[full_cat] = item
                fill(value, item, full_cat, org=org)

        self.groupsWidget.clear()
        fill(hierarchy[1], self.groupsWidget, org=hierarchy[0])
        fill(hierarchy_noorg[1], self.groupsWidget, org=hierarchy_noorg[0])

    def refreshHierarchy(self):
        self.setHierarchy(*self.getHierarchy(taxid=self.taxid_list[self.speciesIndex]))

    def selectedCategories(self):
        """
        Return a list of currently selected hierarchy keys.

        A key is a tuple of identifiers from the root to the leaf of
        the hierarchy tree.
        """
        return [key for key, check in self.getHierarchyCheckState().items()
                if check == Qt.Checked]

    def getHierarchyCheckState(self):
        def collect(item, full=()):
            checked = item.checkState(0)
            name = str(item.data(0, Qt.DisplayRole))
            full_cat = full + (name,)
            result = [((full_cat, item.organism), checked)]
            for i in range(item.childCount()):
                result.extend(collect(item.child(i), full_cat))
            return result

        items = [self.groupsWidget.topLevelItem(i)
                 for i in range(self.groupsWidget.topLevelItemCount())]
        states = itertools.chain(*(collect(item) for item in items))
        return dict(states)

    def subsetSelectionChanged(self, item, column):
        # The selected geneset (hierarchy) subset has been changed by the
        # user. Update the displayed results.
        # Update the stored state (persistent settings)
        self.categoriesCheckState = self.getHierarchyCheckState()
        categories = self.selectedCategories()

        if self.data is not None:
            if self._nogenematching() or \
                    not set(categories) <= set(self.currentAnnotatedCategories):
                self.updateAnnotations()
            else:
                self.filterAnnotationsChartView()

    def updateGeneMatcherSettings(self):
        raise NotImplementedError

        from .OWGOEnrichmentAnalysis import GeneMatcherDialog
        dialog = GeneMatcherDialog(self, defaults=self.geneMatcherSettings, enabled=[True] * 4, modal=True)
        if dialog.exec_():
            self.geneMatcherSettings = [getattr(dialog, item[0]) for item in dialog.items]
            self._invalidateGeneMatcher()
            if self.data is not None:
                self.updateAnnotations()

    def _genematcher(self):
        """
        Return a Future[gene.SequenceMatcher]
        """
        taxid = self.taxid_list[self.speciesIndex]

        current, matcher_f = self.__genematcher

        if taxid == current and \
                not matcher_f.cancelled():
            return matcher_f

        self._invalidateGeneMatcher()

        if taxid is None:
            self.__genematcher = (None, fulfill(gene.matcher([])))
            return self.__genematcher[1]

        matchers = [gene.GMGO, gene.GMKEGG, gene.GMNCBI, gene.GMAffy]
        matchers = [m for m, use in zip(matchers, self.geneMatcherSettings)
                    if use]

        def create():
            return gene.matcher([m(taxid) for m in matchers])

        matcher_f = self._executor.submit(create)
        self.__genematcher = (taxid, matcher_f)
        return self.__genematcher[1]

    def _nogenematching(self):
        return self.taxid is None or not any(self.geneMatcherSettings)

    def updateAnnotations(self):
        if self.data is None:
            return

        assert not self.__state & OWSetEnrichment.Initializing
        self._cancelPending()
        self._clearView()

        self.information(0)
        self.warning(0)
        self.error(0)

        if not self.genesinrows and len(self.geneAttrs) == 0:
            self.error(0, "Input data contains no columns with gene names")
            return

        self.__state = OWSetEnrichment.RunningEnrichment

        taxid = self.taxid_list[self.speciesIndex]
        self.taxid = taxid

        categories = self.selectedCategories()

        clusterGenes = self.genesFromTable(self.data)

        if self.referenceData is not None and self.useReferenceData:
            referenceGenes = self.genesFromTable(self.referenceData)
        else:
            referenceGenes = None

        self.currentAnnotatedCategories = categories

        genematcher = self._genematcher()

        self.progressBarInit()

        ## Load collections in a worker thread
        # TODO: Use cached collections if already loaded and
        # use ensure_genesetsdownloaded with progress report (OWSelectGenes)
        collections = self._executor.submit(geneset.collections, *categories)

        def refset_null():
            """Return the default background reference set"""
            col = collections.result()
            return reduce(operator.ior, (set(g.genes) for g in col), set())

        def refset_ncbi():
            """Return all NCBI gene names"""
            geneinfo = gene.NCBIGeneInfo(taxid)
            return set(geneinfo.keys())

        def namematcher():
            matcher = genematcher.result()
            match = matcher.set_targets(ref_set.result())
            match.umatch = memoize(match.umatch)
            return match

        def map_unames():
            matcher = namematcher.result()
            query = list(filter(None, map(matcher.umatch, querynames)))
            reference = list(filter(None, map(matcher.umatch, ref_set.result())))
            return query, reference

        if self._nogenematching():
            if referenceGenes is None:
                ref_set = self._executor.submit(refset_null)
            else:
                ref_set = fulfill(referenceGenes)
        else:
            if referenceGenes == None:
                ref_set = self._executor.submit(refset_ncbi)
            else:
                ref_set = fulfill(referenceGenes)

        namematcher = self._executor.submit(namematcher)
        querynames = clusterGenes

        state = types.SimpleNamespace()
        state.query_set = clusterGenes
        state.reference_set = referenceGenes
        state.namematcher = namematcher
        state.query_count = len(set(clusterGenes))
        state.reference_count = (len(set(referenceGenes))
                                 if referenceGenes is not None else None)

        state.cancelled = False

        progress = methodinvoke(self, "_setProgress", (float,))
        info = methodinvoke(self, "_setRunInfo", (str,))

        @withtraceback
        def run():
            info("Loading data")
            match = namematcher.result()
            query, reference = map_unames()
            gscollections = collections.result()

            results = []
            info("Running enrichment")
            p = 0
            for i, gset in enumerate(gscollections):
                genes = set(filter(None, map(match.umatch, gset.genes)))
                enr = set_enrichment(genes, reference, query)
                results.append((gset, enr))

                if state.cancelled:
                    raise UserInteruptException

                pnew = int(100 * i / len(gscollections))
                if pnew != p:
                    progress(pnew)
                    p = pnew
            progress(100)
            info("")
            return query, reference, results

        task = Task(function=run)
        task.resultReady.connect(self.__on_enrichment_finished)
        task.exceptionReady.connect(self.__on_enrichment_failed)
        result = self._executor.submit(task)
        state.results = result

        self.state = state
        self._updatesummary()

    def __on_enrichment_failed(self, exception):
        if not isinstance(exception, UserInteruptException):
            print("ERROR:", exception, file=sys.stderr)
            print(exception._traceback, file=sys.stderr)

        self.progressBarFinished()
        self.setStatusMessage("")
        self.__state &= ~OWSetEnrichment.RunningEnrichment

    def __on_enrichment_finished(self, results):
        assert QThread.currentThread() is self.thread()
        self.__state &= ~OWSetEnrichment.RunningEnrichment

        query, reference, results = results

        if self.annotationsChartView.model():
            self.annotationsChartView.model().clear()

        nquery = len(query)
        nref = len(reference)
        maxcount = max((len(e.query_mapped) for _, e in results),
                       default=1)
        maxrefcount = max((len(e.reference_mapped) for _, e in results),
                          default=1)
        nspaces = int(math.ceil(math.log10(maxcount or 1)))
        refspaces = int(math.ceil(math.log(maxrefcount or 1)))
        query_fmt = "%" + str(nspaces) + "s  (%.2f%%)"
        ref_fmt = "%" + str(refspaces) + "s  (%.2f%%)"

        def fmt_count(fmt, count, total):
            return fmt % (count, 100.0 * count / (total or 1))

        fmt_query_count = partial(fmt_count, query_fmt)
        fmt_ref_count = partial(fmt_count, ref_fmt)

        linkFont = QFont(self.annotationsChartView.viewOptions().font)
        linkFont.setUnderline(True)

        def item(value=None, tooltip=None, user=None):
            si = QStandardItem()
            if value is not None:
                si.setData(value, Qt.DisplayRole)
            if tooltip is not None:
                si.setData(tooltip, Qt.ToolTipRole)
            if user is not None:
                si.setData(user, Qt.UserRole)
            else:
                si.setData(value, Qt.UserRole)
            return si

        model = QStandardItemModel()
        model.setSortRole(Qt.UserRole)
        model.setHorizontalHeaderLabels(
            ["Category", "Term", "Count", "Reference count", "p-value",
             "FDR", "Enrichment"])
        for i, (gset, enrich) in enumerate(results):
            if len(enrich.query_mapped) == 0:
                continue
            nquery_mapped = len(enrich.query_mapped)
            nref_mapped = len(enrich.reference_mapped)

            row = [
                item(", ".join(gset.hierarchy)),
                item(gsname(gset), tooltip=gset.link),
                item(fmt_query_count(nquery_mapped, nquery),
                     tooltip=nquery_mapped, user=nquery_mapped),
                item(fmt_ref_count(nref_mapped, nref),
                     tooltip=nref_mapped, user=nref_mapped),
                item(fmtp(enrich.p_value), user=enrich.p_value),
                item(),  # column 5, FDR, is computed in filterAnnotationsChartView
                item(enrich.enrichment_score,
                     tooltip="%.3f" % enrich.enrichment_score,
                     user=enrich.enrichment_score)
            ]
            row[0].geneset = gset
            row[0].enrichment = enrich
            row[1].setData(gset.link, gui.LinkRole)
            row[1].setFont(linkFont)
            row[1].setForeground(QColor(Qt.blue))

            model.appendRow(row)

        self.annotationsChartView.setModel(model)
        self.annotationsChartView.selectionModel().selectionChanged.connect(
            self.commit
        )

        if not model.rowCount():
            self.warning(0, "No enriched sets found.")
        else:
            self.warning(0)

        allnames = set(gsname(geneset)
                       for geneset, (count, _, _, _) in results if count)

        allnames |= reduce(operator.ior,
                           (set(word_split(name)) for name in allnames),
                           set())

        self.filterCompleter.setModel(None)
        self.completerModel = QStringListModel(sorted(allnames))
        self.filterCompleter.setModel(self.completerModel)

        if results:
            max_score = max((e.enrichment_score for _, e in results
                             if np.isfinite(e.enrichment_score)),
                            default=1)

            self.annotationsChartView.setItemDelegateForColumn(
                6, BarItemDelegate(self, scale=(0.0, max_score))
            )

        self.annotationsChartView.setItemDelegateForColumn(
            1, gui.LinkStyledItemDelegate(self.annotationsChartView)
        )

        header = self.annotationsChartView.header()
        for i in range(model.columnCount()):
            sh = self.annotationsChartView.sizeHintForColumn(i)
            sh = max(sh, header.sectionSizeHint(i))
            self.annotationsChartView.setColumnWidth(i, max(min(sh, 300), 30))
#             self.annotationsChartView.resizeColumnToContents(i)

        self.filterAnnotationsChartView()

        self.progressBarFinished()
        self.setStatusMessage("")

    def _updatesummary(self):
        state = self.state
        if state is None:
            self.error(0,)
            self.warning(0)
            self.infoBox.setText("No data on input.\n")
            return

        text = "{.query_count} unique names on input\n".format(state)

        if state.results.done() and not state.results.exception():
            mapped, _, _ = state.results.result()
            ratio_mapped = (len(mapped) / state.query_count
                            if state.query_count else 0)
            text += ("%i (%.1f%%) gene names matched" %
                     (len(mapped), 100.0 * ratio_mapped))
        elif not state.results.done():
            text += "..."
        else:
            text += "<Error {}>".format(str(state.results.exception()))
        self.infoBox.setText(text)

        # TODO: warn on no enriched sets found (i.e no query genes
        # mapped to any set)

    def filterAnnotationsChartView(self, filterString=""):
        if self.__state & OWSetEnrichment.RunningEnrichment:
            return

        # TODO: Move filtering to a filter proxy model
        # TODO: Re-enable string search

        categories = set(", ".join(cat)
                         for cat, _ in self.selectedCategories())

#         filterString = str(self.filterLineEdit.text()).lower()

        model = self.annotationsChartView.model()

        def ishidden(index):
            # Is item at index (row) hidden
            item = model.item(index)
            item_cat = item.data(Qt.DisplayRole)
            return item_cat not in categories

        hidemask = [ishidden(i) for i in range(model.rowCount())]

        # compute FDR according the selected categories
        pvals = [model.item(i, 4).data(Qt.UserRole)
                 for i, hidden in enumerate(hidemask) if not hidden]
        fdrs = utils.stats.FDR(pvals)

        # update FDR for the selected collections and apply filtering rules
        itemsHidden = []
        fdriter = iter(fdrs)
        for index, hidden in enumerate(hidemask):
            if not hidden:
                fdr = next(fdriter)
                pval = model.index(index, 4).data(Qt.UserRole)
                count = model.index(index, 2).data(Qt.ToolTipRole)

                hidden = (self.useMinCountFilter and count < self.minClusterCount) or \
                         (self.useMaxPValFilter and pval > self.maxPValue) or \
                         (self.useMaxFDRFilter and fdr > self.maxFDR)

                if not hidden:
                    fdr_item = model.item(index, 5)
                    fdr_item.setData(fmtpdet(fdr), Qt.ToolTipRole)
                    fdr_item.setData(fmtp(fdr), Qt.DisplayRole)
                    fdr_item.setData(fdr, Qt.UserRole)

            self.annotationsChartView.setRowHidden(
                index, QModelIndex(), hidden)

            itemsHidden.append(hidden)

        if model.rowCount() and all(itemsHidden):
            self.information(0, "All sets were filtered out.")
        else:
            self.information(0)

        self._updatesummary()

    @Slot(float)
    def _setProgress(self, value):
        assert QThread.currentThread() is self.thread()
        self.progressBarSet(value, processEvents=None)

    @Slot(str)
    def _setRunInfo(self, text):
        self.setStatusMessage(text)

    def commit(self):
        if self.data is None or \
                self.__state & OWSetEnrichment.RunningEnrichment:
            return

        model = self.annotationsChartView.model()
        rows = self.annotationsChartView.selectionModel().selectedRows(0)
        selected = [model.item(index.row(), 0) for index in rows]
        mapped = reduce(operator.ior,
                        (set(item.enrichment.query_mapped)
                         for item in selected),
                        set())
        assert self.state.namematcher.done()
        matcher = self.state.namematcher.result()

        axis = 1 if self.genesinrows else 0
        if axis == 1:
            mapped = [attr for attr in self.data.domain.attributes
                      if matcher.umatch(attr.name) in mapped]

            newdomain = Orange.data.Domain(
                mapped, self.data.domain.class_vars, self.data.domain.metas)
            data = self.data.from_table(newdomain, self.data)
        else:
            geneattr = self.geneAttrs[self.geneattr]
            selected = [i for i, ex in enumerate(self.data)
                        if matcher.umatch(str(ex[geneattr])) in mapped]
            data = self.data[selected]
        self.send("Data subset", data)

    def onDeleteWidget(self):
        if self.state is not None:
            self._cancelPending()
            self.state = None
        self._executor.shutdown(wait=False)
Beispiel #15
0
def variables_filter(model, parent=None, accepted_type=Orange.data.Variable,
                     view_type=VariablesListItemView):
    """
    GUI components: ListView with a lineedit which works as a filter. One can write
    a variable name in a edit box and possible matches are then shown in a listview.
    """
    def update_completer_model():
        """ This gets called when the model for available attributes changes
        through either drag/drop or the left/right button actions.

        """
        nonlocal original_completer_items
        items = ["%s=%s" % item for v in model for item in v.attributes.items()]

        new = sorted(set(items))
        if new != original_completer_items:
            original_completer_items = new
            completer_model.setStringList(original_completer_items)

    def update_completer_prefix():
        """ Prefixes all items in the completer model with the current
        already done completion to enable the completion of multiple keywords.
        """
        nonlocal original_completer_items
        prefix = str(completer.completionPrefix())
        if not prefix.endswith(" ") and " " in prefix:
            prefix, _ = prefix.rsplit(" ", 1)
            items = [prefix + " " + item
                     for item in original_completer_items]
        else:
            items = original_completer_items
        old = list(map(str, completer_model.stringList()))

        if set(old) != set(items):
            completer_model.setStringList(items)

    original_completer_items = []

    filter_edit = QLineEdit()
    filter_edit.setToolTip("Filter the list of available variables.")
    filter_edit.setPlaceholderText("Filter")

    completer_model = QStringListModel()
    completer = QCompleter(completer_model, filter_edit)
    completer.setCompletionMode(QCompleter.InlineCompletion)
    completer.setModelSorting(QCompleter.CaseSensitivelySortedModel)

    filter_edit.setCompleter(completer)
    completer_navigator = CompleterNavigator(parent)
    filter_edit.installEventFilter(completer_navigator)

    proxy = VariableFilterProxyModel()
    proxy.setSourceModel(model)
    view = view_type(acceptedType=accepted_type)
    view.setModel(proxy)

    model.dataChanged.connect(update_completer_model)
    model.rowsInserted.connect(update_completer_model)
    model.rowsRemoved.connect(update_completer_model)

    filter_edit.textChanged.connect(update_completer_prefix)
    filter_edit.textChanged.connect(proxy.set_filter_string)

    return filter_edit, view
Beispiel #16
0
class SelectionSetsWidget(QFrame):
    """
    Widget for managing multiple stored item selections
    """
    selectionModified = Signal(bool)

    def __init__(self, parent):
        QFrame.__init__(self, parent)
        self.setContentsMargins(0, 0, 0, 0)
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(1)
        self._setNameLineEdit = QLineEdit(self)
        layout.addWidget(self._setNameLineEdit)

        self._setListView = QListView(self)
        self._listModel = QStandardItemModel(self)
        self._proxyModel = QSortFilterProxyModel(self)
        self._proxyModel.setSourceModel(self._listModel)

        self._setListView.setModel(self._proxyModel)
        self._setListView.setItemDelegate(ListItemDelegate(self))

        self._setNameLineEdit.textChanged.connect(
            self._proxyModel.setFilterFixedString)

        self._completer = QCompleter(self._listModel, self)

        self._setNameLineEdit.setCompleter(self._completer)

        self._listModel.itemChanged.connect(self._onSetNameChange)
        layout.addWidget(self._setListView)
        buttonLayout = QHBoxLayout()

        self._addAction = QAction("+", self, toolTip="Add a new sort key")
        self._updateAction = QAction("Update",
                                     self,
                                     toolTip="Update/save current selection")
        self._removeAction = QAction("\u2212",
                                     self,
                                     toolTip="Remove selected sort key.")

        self._addToolButton = QToolButton(self)
        self._updateToolButton = QToolButton(self)
        self._removeToolButton = QToolButton(self)
        self._updateToolButton.setSizePolicy(QSizePolicy.MinimumExpanding,
                                             QSizePolicy.Minimum)

        self._addToolButton.setDefaultAction(self._addAction)
        self._updateToolButton.setDefaultAction(self._updateAction)
        self._removeToolButton.setDefaultAction(self._removeAction)

        buttonLayout.addWidget(self._addToolButton)
        buttonLayout.addWidget(self._updateToolButton)
        buttonLayout.addWidget(self._removeToolButton)

        layout.addLayout(buttonLayout)
        self.setLayout(layout)

        self._addAction.triggered.connect(self.addCurrentSelection)
        self._updateAction.triggered.connect(self.updateSelectedSelection)
        self._removeAction.triggered.connect(self.removeSelectedSelection)

        self._setListView.selectionModel().selectionChanged.connect(
            self._onListViewSelectionChanged)
        self.selectionModel = None
        self._selections = []

    def sizeHint(self):
        size = QFrame.sizeHint(self)
        return QSize(size.width(), 150)

    def _onSelectionChanged(self, selected, deselected):
        self.setSelectionModified(True)

    def _onListViewSelectionChanged(self, selected, deselected):
        try:
            index = self._setListView.selectedIndexes()[0]
        except IndexError:
            return
        self.commitSelection(self._proxyModel.mapToSource(index).row())

    def _onSetNameChange(self, item):
        self.selections[item.row()].name = str(item.text())

    def _setButtonStates(self, val):
        self._updateToolButton.setEnabled(val)

    def setSelectionModel(self, selectionModel):
        if self.selectionModel:
            self.selectionModel.selectionChanged.disconnect(
                self._onSelectionChanged)
        self.selectionModel = selectionModel
        self.selectionModel.selectionChanged.connect(self._onSelectionChanged)

    def addCurrentSelection(self):
        item = self.addSelection(
            SelectionByKey(self.selectionModel.selection(),
                           name="New selection",
                           key=(1, 2, 3, 10)))
        index = self._proxyModel.mapFromSource(item.index())
        self._setListView.setCurrentIndex(index)
        self._setListView.edit(index)
        self.setSelectionModified(False)

    def removeSelectedSelection(self):
        i = self._proxyModel.mapToSource(
            self._setListView.currentIndex()).row()
        self._listModel.takeRow(i)
        del self.selections[i]

    def updateCurentSelection(self):
        i = self._proxyModel.mapToSource(
            self._setListView.selectedIndex()).row()
        self.selections[i].setSelection(self.selectionModel.selection())
        self.setSelectionModified(False)

    def addSelection(self, selection, name=""):
        self._selections.append(selection)
        item = QStandardItem(selection.name)
        item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
        self._listModel.appendRow(item)
        self.setSelectionModified(False)
        return item

    def updateSelectedSelection(self):
        i = self._proxyModel.mapToSource(
            self._setListView.currentIndex()).row()
        self.selections[i].setSelection(self.selectionModel.selection())
        self.setSelectionModified(False)

    def setSelectionModified(self, val):
        self._selectionModified = val
        self._setButtonStates(val)
        self.selectionModified.emit(bool(val))

    def commitSelection(self, index):
        selection = self.selections[index]
        selection.select(self.selectionModel)

    def setSelections(self, selections):
        self._listModel.clear()
        for selection in selections:
            self.addSelection(selection)

    def selections(self):
        return self._selections

    selections = property(selections, setSelections)