def setUrl(self, url: DataUrl) -> None: assert isinstance(url, DataUrl) sel_items = self._listWidget.findItems(url.path(), qt.Qt.MatchExactly) if sel_items is None: _logger.warning(url.path(), ' is not registered in the list.') elif len(sel_items) > 0: item = sel_items[0] self._listWidget.setCurrentItem(item) self.sigCurrentUrlChanged.emit(item.text())
class GroupDialog(_Hdf5ItemSelectionDialog): """This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to provide a HDF5 group selection dialog. The information identifying the selected node is provided as a :class:`silx.io.url.DataUrl`. Example: .. code-block:: python dialog = GroupDialog() dialog.addFile(filepath1) dialog.addFile(filepath2) if dialog.exec_(): print("File path: %s" % dialog.getSelectedDataUrl().file_path()) print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path()) else: print("Operation cancelled :(") """ def __init__(self, parent=None): _Hdf5ItemSelectionDialog.__init__(self, parent) # customization for groups self.setWindowTitle("HDF5 group selection") self._header.setSections([ self._model.NAME_COLUMN, self._model.NODE_COLUMN, self._model.LINK_COLUMN ]) def _onActivation(self, idx): # double-click or enter press: filter for groups nodes = list(self._tree.selectedH5Nodes()) node = nodes[0] if silx.io.is_group(node.h5py_object): self.accept() def _updateUrl(self): # overloaded to filter for groups nodes = list(self._tree.selectedH5Nodes()) subgroupName = self._lineEditNewItem.text() if nodes: node = nodes[0] if silx.io.is_group(node.h5py_object): data_path = node.local_name if subgroupName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += subgroupName.lstrip("/") self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText(self._selectedUrl.path()) else: self._selectedUrl = None self._okButton.setEnabled(False) self._labelSelection.setText("Select a group")
class GroupDialog(_Hdf5ItemSelectionDialog): """This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to provide a HDF5 group selection dialog. The information identifying the selected node is provided as a :class:`silx.io.url.DataUrl`. Example: .. code-block:: python dialog = GroupDialog() dialog.addFile(filepath1) dialog.addFile(filepath2) if dialog.exec_(): print("File path: %s" % dialog.getSelectedDataUrl().file_path()) print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path()) else: print("Operation cancelled :(") """ def __init__(self, parent=None): _Hdf5ItemSelectionDialog.__init__(self, parent) # customization for groups self.setWindowTitle("HDF5 group selection") self._header.setSections([self._model.NAME_COLUMN, self._model.NODE_COLUMN, self._model.LINK_COLUMN]) def _onActivation(self, idx): # double-click or enter press: filter for groups nodes = list(self._tree.selectedH5Nodes()) node = nodes[0] if silx.io.is_group(node.h5py_object): self.accept() def _updateUrl(self): # overloaded to filter for groups nodes = list(self._tree.selectedH5Nodes()) subgroupName = self._lineEditNewItem.text() if nodes: node = nodes[0] if silx.io.is_group(node.h5py_object): data_path = node.local_name if subgroupName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += subgroupName.lstrip("/") self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText( self._selectedUrl.path()) else: self._selectedUrl = None self._okButton.setEnabled(False) self._labelSelection.setText("Select a group")
def _getPreviousUrl(self, url: DataUrl) -> typing.Union[None, DataUrl]: """ return the previous url in the stack :param url: url for which we want the previous url :type: DataUrl :return: next url in the stack or None if `url` is the last one :rtype: Union[None, DataUrl] """ if self._urls is None: return None else: index = self._urlIndexes[url.path()] indexes = list(self._urls.keys()) res = list(filter(lambda x: x < index, indexes)) if len(res) == 0: return None else: return self._urls[res[-1]]
class GroupDialog(qt.QDialog): """This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to provide a HDF5 group selection dialog. The information identifying the selected node is provided as a :class:`silx.io.url.DataUrl`. Example: .. code-block:: python dialog = GroupDialog() dialog.addFile(filepath1) dialog.addFile(filepath2) if dialog.exec_(): print("File path: %s" % dialog.getSelectedDataUrl().file_path()) print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path()) else: print("Operation cancelled :(") """ def __init__(self, parent=None): qt.QDialog.__init__(self, parent) self.setWindowTitle("HDF5 group selection") self._tree = Hdf5TreeView(self) self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection) self._tree.activated.connect(self._onActivation) self._tree.selectionModel().selectionChanged.connect( self._onSelectionChange) self._model = self._tree.findHdf5TreeModel() self._header = self._tree.header() self._header.setSections([self._model.NAME_COLUMN, self._model.NODE_COLUMN, self._model.LINK_COLUMN]) _labelSubgroup = qt.QLabel(self) _labelSubgroup.setText("Subgroup name (optional)") self._lineEditSubgroup = qt.QLineEdit(self) self._lineEditSubgroup.setToolTip( "Specify the name of a new subgroup " "to be created in the selected group.") self._lineEditSubgroup.textChanged.connect( self._onSubgroupNameChange) _labelSelectionTitle = qt.QLabel(self) _labelSelectionTitle.setText("Current selection") self._labelSelection = qt.QLabel(self) self._labelSelection.setStyleSheet("color: gray") self._labelSelection.setWordWrap(True) self._labelSelection.setText("Select a group") buttonBox = qt.QDialogButtonBox() self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok) self._okButton.setEnabled(False) buttonBox.addButton(qt.QDialogButtonBox.Cancel) buttonBox.accepted.connect(self.accept) buttonBox.rejected.connect(self.reject) vlayout = qt.QVBoxLayout(self) vlayout.addWidget(self._tree) vlayout.addWidget(_labelSubgroup) vlayout.addWidget(self._lineEditSubgroup) vlayout.addWidget(_labelSelectionTitle) vlayout.addWidget(self._labelSelection) vlayout.addWidget(buttonBox) self.setLayout(vlayout) self.setMinimumWidth(400) self._selectedUrl = None def addFile(self, path): """Add a HDF5 file to the tree. All groups it contains will be selectable in the dialog. :param str path: File path """ self._model.insertFile(path) def addGroup(self, group): """Add a HDF5 group to the tree. This group and all its subgroups will be selectable in the dialog. :param h5py.Group group: HDF5 group """ self._model.insertH5pyObject(group) def _onActivation(self, idx): # double-click or enter press nodes = list(self._tree.selectedH5Nodes()) node = nodes[0] if silx.io.is_group(node.h5py_object): self.accept() def _onSelectionChange(self, old, new): self._updateUrl() def _onSubgroupNameChange(self, text): self._updateUrl() def _updateUrl(self): nodes = list(self._tree.selectedH5Nodes()) subgroupName = self._lineEditSubgroup.text() if nodes: node = nodes[0] if silx.io.is_group(node.h5py_object): data_path = node.local_name if subgroupName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += subgroupName.lstrip("/") self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText( self._selectedUrl.path()) else: self._selectedUrl = None self._okButton.setEnabled(False) self._labelSelection.setText("Select a group") def getSelectedDataUrl(self): """Return a :class:`DataUrl` with a file path and a data path. Return None if the dialog was cancelled. :return: :class:`silx.io.url.DataUrl` object pointing to the selected group. """ return self._selectedUrl
class _Hdf5ItemSelectionDialog(qt.QDialog): SaveMode = 1 """Mode used to set the HDF5 item selection dialog to *save* mode. This adds a text field to type in a new item name.""" LoadMode = 2 """Mode used to set the HDF5 item selection dialog to *load* mode. Only existing items of the HDF5 file can be selected in this mode.""" def __init__(self, parent=None): qt.QDialog.__init__(self, parent) self.setWindowTitle("HDF5 item selection") self._tree = Hdf5TreeView(self) self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection) self._tree.activated.connect(self._onActivation) self._tree.selectionModel().selectionChanged.connect( self._onSelectionChange) self._model = self._tree.findHdf5TreeModel() self._header = self._tree.header() self._newItemWidget = qt.QWidget(self) newItemLayout = qt.QVBoxLayout(self._newItemWidget) self._labelNewItem = qt.QLabel(self._newItemWidget) self._labelNewItem.setText( "Create new item in selected group (optional):") self._lineEditNewItem = qt.QLineEdit(self._newItemWidget) self._lineEditNewItem.setToolTip( "Specify the name of a new item " "to be created in the selected group.") self._lineEditNewItem.textChanged.connect(self._onNewItemNameChange) newItemLayout.addWidget(self._labelNewItem) newItemLayout.addWidget(self._lineEditNewItem) _labelSelectionTitle = qt.QLabel(self) _labelSelectionTitle.setText("Current selection") self._labelSelection = qt.QLabel(self) self._labelSelection.setStyleSheet("color: gray") self._labelSelection.setWordWrap(True) self._labelSelection.setText("Select an item") buttonBox = qt.QDialogButtonBox() self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok) self._okButton.setEnabled(False) buttonBox.addButton(qt.QDialogButtonBox.Cancel) buttonBox.accepted.connect(self.accept) buttonBox.rejected.connect(self.reject) vlayout = qt.QVBoxLayout(self) vlayout.addWidget(self._tree) vlayout.addWidget(self._newItemWidget) vlayout.addWidget(_labelSelectionTitle) vlayout.addWidget(self._labelSelection) vlayout.addWidget(buttonBox) self.setLayout(vlayout) self.setMinimumWidth(400) self._selectedUrl = None def _onSelectionChange(self, old, new): self._updateUrl() def _onNewItemNameChange(self, text): self._updateUrl() def _onActivation(self, idx): # double-click or enter press self.accept() def setMode(self, mode): """Set dialog mode DatasetDialog.SaveMode or DatasetDialog.LoadMode :param mode: DatasetDialog.SaveMode or DatasetDialog.LoadMode """ if mode == self.LoadMode: # hide "Create new item" field self._lineEditNewItem.clear() self._newItemWidget.hide() elif mode == self.SaveMode: self._newItemWidget.show() else: raise ValueError("Invalid DatasetDialog mode %s" % mode) def addFile(self, path): """Add a HDF5 file to the tree. All groups it contains will be selectable in the dialog. :param str path: File path """ self._model.insertFile(path) def addGroup(self, group): """Add a HDF5 group to the tree. This group and all its subgroups will be selectable in the dialog. :param h5py.Group group: HDF5 group """ self._model.insertH5pyObject(group) def _updateUrl(self): nodes = list(self._tree.selectedH5Nodes()) subgroupName = self._lineEditNewItem.text() if nodes: node = nodes[0] data_path = node.local_name if subgroupName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += subgroupName.lstrip("/") self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText(self._selectedUrl.path()) def getSelectedDataUrl(self): """Return a :class:`DataUrl` with a file path and a data path. Return None if the dialog was cancelled. :return: :class:`silx.io.url.DataUrl` object pointing to the selected HDF5 item. """ return self._selectedUrl
class _Hdf5ItemSelectionDialog(qt.QDialog): SaveMode = 1 """Mode used to set the HDF5 item selection dialog to *save* mode. This adds a text field to type in a new item name.""" LoadMode = 2 """Mode used to set the HDF5 item selection dialog to *load* mode. Only existing items of the HDF5 file can be selected in this mode.""" def __init__(self, parent=None): qt.QDialog.__init__(self, parent) self.setWindowTitle("HDF5 item selection") self._tree = Hdf5TreeView(self) self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection) self._tree.activated.connect(self._onActivation) self._tree.selectionModel().selectionChanged.connect( self._onSelectionChange) self._model = self._tree.findHdf5TreeModel() self._header = self._tree.header() self._newItemWidget = qt.QWidget(self) newItemLayout = qt.QVBoxLayout(self._newItemWidget) self._labelNewItem = qt.QLabel(self._newItemWidget) self._labelNewItem.setText("Create new item in selected group (optional):") self._lineEditNewItem = qt.QLineEdit(self._newItemWidget) self._lineEditNewItem.setToolTip( "Specify the name of a new item " "to be created in the selected group.") self._lineEditNewItem.textChanged.connect( self._onNewItemNameChange) newItemLayout.addWidget(self._labelNewItem) newItemLayout.addWidget(self._lineEditNewItem) _labelSelectionTitle = qt.QLabel(self) _labelSelectionTitle.setText("Current selection") self._labelSelection = qt.QLabel(self) self._labelSelection.setStyleSheet("color: gray") self._labelSelection.setWordWrap(True) self._labelSelection.setText("Select an item") buttonBox = qt.QDialogButtonBox() self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok) self._okButton.setEnabled(False) buttonBox.addButton(qt.QDialogButtonBox.Cancel) buttonBox.accepted.connect(self.accept) buttonBox.rejected.connect(self.reject) vlayout = qt.QVBoxLayout(self) vlayout.addWidget(self._tree) vlayout.addWidget(self._newItemWidget) vlayout.addWidget(_labelSelectionTitle) vlayout.addWidget(self._labelSelection) vlayout.addWidget(buttonBox) self.setLayout(vlayout) self.setMinimumWidth(400) self._selectedUrl = None def _onSelectionChange(self, old, new): self._updateUrl() def _onNewItemNameChange(self, text): self._updateUrl() def _onActivation(self, idx): # double-click or enter press self.accept() def setMode(self, mode): """Set dialog mode DatasetDialog.SaveMode or DatasetDialog.LoadMode :param mode: DatasetDialog.SaveMode or DatasetDialog.LoadMode """ if mode == self.LoadMode: # hide "Create new item" field self._lineEditNewItem.clear() self._newItemWidget.hide() elif mode == self.SaveMode: self._newItemWidget.show() else: raise ValueError("Invalid DatasetDialog mode %s" % mode) def addFile(self, path): """Add a HDF5 file to the tree. All groups it contains will be selectable in the dialog. :param str path: File path """ self._model.insertFile(path) def addGroup(self, group): """Add a HDF5 group to the tree. This group and all its subgroups will be selectable in the dialog. :param h5py.Group group: HDF5 group """ self._model.insertH5pyObject(group) def _updateUrl(self): nodes = list(self._tree.selectedH5Nodes()) subgroupName = self._lineEditNewItem.text() if nodes: node = nodes[0] data_path = node.local_name if subgroupName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += subgroupName.lstrip("/") self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText( self._selectedUrl.path()) def getSelectedDataUrl(self): """Return a :class:`DataUrl` with a file path and a data path. Return None if the dialog was cancelled. :return: :class:`silx.io.url.DataUrl` object pointing to the selected HDF5 item. """ return self._selectedUrl
class DatasetDialog(_Hdf5ItemSelectionDialog): """This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to provide a HDF5 dataset selection dialog. The information identifying the selected node is provided as a :class:`silx.io.url.DataUrl`. Example: .. code-block:: python dialog = DatasetDialog() dialog.addFile(filepath1) dialog.addFile(filepath2) if dialog.exec_(): print("File path: %s" % dialog.getSelectedDataUrl().file_path()) print("HDF5 dataset path : %s " % dialog.getSelectedDataUrl().data_path()) else: print("Operation cancelled :(") """ def __init__(self, parent=None): _Hdf5ItemSelectionDialog.__init__(self, parent) # customization for groups self.setWindowTitle("HDF5 dataset selection") self._header.setSections([self._model.NAME_COLUMN, self._model.NODE_COLUMN, self._model.LINK_COLUMN, self._model.TYPE_COLUMN, self._model.SHAPE_COLUMN]) self._selectDatasetStatusText = "Select a dataset or type a new dataset name" def setMode(self, mode): """Set dialog mode DatasetDialog.SaveMode or DatasetDialog.LoadMode :param mode: DatasetDialog.SaveMode or DatasetDialog.LoadMode """ _Hdf5ItemSelectionDialog.setMode(self, mode) if mode == DatasetDialog.SaveMode: self._selectDatasetStatusText = "Select a dataset or type a new dataset name" elif mode == DatasetDialog.LoadMode: self._selectDatasetStatusText = "Select a dataset" def _onActivation(self, idx): # double-click or enter press: filter for datasets nodes = list(self._tree.selectedH5Nodes()) node = nodes[0] if silx.io.is_dataset(node.h5py_object): self.accept() def _updateUrl(self): # overloaded to filter for datasets nodes = list(self._tree.selectedH5Nodes()) newDatasetName = self._lineEditNewItem.text() isDatasetSelected = False if nodes: node = nodes[0] if silx.io.is_dataset(node.h5py_object): data_path = node.local_name isDatasetSelected = True elif silx.io.is_group(node.h5py_object): data_path = node.local_name if newDatasetName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += newDatasetName.lstrip("/") isDatasetSelected = True if isDatasetSelected: self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText( self._selectedUrl.path()) else: self._selectedUrl = None self._okButton.setEnabled(False) self._labelSelection.setText(self._selectDatasetStatusText)
class GroupDialog(qt.QDialog): """This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to provide a HDF5 group selection dialog. The information identifying the selected node is provided as a :class:`silx.io.url.DataUrl`. Example: .. code-block:: python dialog = GroupDialog() dialog.addFile(filepath1) dialog.addFile(filepath2) if dialog.exec_(): print("File path: %s" % dialog.getSelectedDataUrl().file_path()) print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path()) else: print("Operation cancelled :(") """ def __init__(self, parent=None): qt.QDialog.__init__(self, parent) self.setWindowTitle("HDF5 group selection") self._tree = Hdf5TreeView(self) self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection) self._tree.activated.connect(self._onActivation) self._tree.selectionModel().selectionChanged.connect( self._onSelectionChange) self._model = self._tree.findHdf5TreeModel() self._header = self._tree.header() self._header.setSections([ self._model.NAME_COLUMN, self._model.NODE_COLUMN, self._model.LINK_COLUMN ]) _labelSubgroup = qt.QLabel(self) _labelSubgroup.setText("Subgroup name (optional)") self._lineEditSubgroup = qt.QLineEdit(self) self._lineEditSubgroup.setToolTip( "Specify the name of a new subgroup " "to be created in the selected group.") self._lineEditSubgroup.textChanged.connect(self._onSubgroupNameChange) _labelSelectionTitle = qt.QLabel(self) _labelSelectionTitle.setText("Current selection") self._labelSelection = qt.QLabel(self) self._labelSelection.setStyleSheet("color: gray") self._labelSelection.setWordWrap(True) self._labelSelection.setText("Select a group") buttonBox = qt.QDialogButtonBox() self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok) self._okButton.setEnabled(False) buttonBox.addButton(qt.QDialogButtonBox.Cancel) buttonBox.accepted.connect(self.accept) buttonBox.rejected.connect(self.reject) vlayout = qt.QVBoxLayout(self) vlayout.addWidget(self._tree) vlayout.addWidget(_labelSubgroup) vlayout.addWidget(self._lineEditSubgroup) vlayout.addWidget(_labelSelectionTitle) vlayout.addWidget(self._labelSelection) vlayout.addWidget(buttonBox) self.setLayout(vlayout) self.setMinimumWidth(400) self._selectedUrl = None def addFile(self, path): """Add a HDF5 file to the tree. All groups it contains will be selectable in the dialog. :param str path: File path """ self._model.insertFile(path) def addGroup(self, group): """Add a HDF5 group to the tree. This group and all its subgroups will be selectable in the dialog. :param h5py.Group group: HDF5 group """ self._model.insertH5pyObject(group) def _onActivation(self, idx): # double-click or enter press nodes = list(self._tree.selectedH5Nodes()) node = nodes[0] if silx.io.is_group(node.h5py_object): self.accept() def _onSelectionChange(self, old, new): self._updateUrl() def _onSubgroupNameChange(self, text): self._updateUrl() def _updateUrl(self): nodes = list(self._tree.selectedH5Nodes()) subgroupName = self._lineEditSubgroup.text() if nodes: node = nodes[0] if silx.io.is_group(node.h5py_object): data_path = node.local_name if subgroupName.lstrip("/"): if not data_path.endswith("/"): data_path += "/" data_path += subgroupName.lstrip("/") self._selectedUrl = DataUrl(file_path=node.local_filename, data_path=data_path) self._okButton.setEnabled(True) self._labelSelection.setText(self._selectedUrl.path()) else: self._selectedUrl = None self._okButton.setEnabled(False) self._labelSelection.setText("Select a group") def getSelectedDataUrl(self): """Return a :class:`DataUrl` with a file path and a data path. Return None if the dialog was cancelled. :return: :class:`silx.io.url.DataUrl` object pointing to the selected group. """ return self._selectedUrl