Example #1
0
class BondEditor(ToolInstance):

    help = "https://github.com/QChASM/SEQCROW/wiki/Bond-Editor-Tool"
    SESSION_ENDURING = False
    SESSION_SAVE = False

    def __init__(self, session, name):
        super().__init__(session, name)

        self.tool_window = MainToolWindow(self)

        self.settings = _BondEditorSettings(session, name)

        self._build_ui()

    def _build_ui(self):
        layout = QGridLayout()

        tabs = QTabWidget()
        layout.addWidget(tabs)

        ts_bond_tab = QWidget()
        ts_options = QFormLayout(ts_bond_tab)

        self.tsbond_color = ColorButton(has_alpha_channel=False,
                                        max_size=(16, 16))
        self.tsbond_color.set_color(self.settings.tsbond_color)
        ts_options.addRow("color:", self.tsbond_color)

        self.tsbond_transparency = QSpinBox()
        self.tsbond_transparency.setRange(1, 99)
        self.tsbond_transparency.setValue(self.settings.tsbond_transparency)
        self.tsbond_transparency.setSuffix("%")
        ts_options.addRow("transparency:", self.tsbond_transparency)

        self.tsbond_radius = QDoubleSpinBox()
        self.tsbond_radius.setRange(0.01, 1)
        self.tsbond_radius.setDecimals(3)
        self.tsbond_radius.setSingleStep(0.005)
        self.tsbond_radius.setSuffix(" \u212B")
        self.tsbond_radius.setValue(self.settings.tsbond_radius)
        ts_options.addRow("radius:", self.tsbond_radius)

        draw_tsbonds = QPushButton("draw TS bonds on selected atoms/bonds")
        draw_tsbonds.clicked.connect(self.run_tsbond)
        ts_options.addRow(draw_tsbonds)
        self.draw_tsbonds = draw_tsbonds

        erase_tsbonds = QPushButton("erase selected TS bonds")
        erase_tsbonds.clicked.connect(self.run_erase_tsbond)
        ts_options.addRow(erase_tsbonds)
        self.erase_tsbonds = erase_tsbonds

        bond_tab = QWidget()
        bond_options = QFormLayout(bond_tab)

        self.bond_halfbond = QCheckBox()
        self.bond_halfbond.setChecked(self.settings.bond_halfbond)
        self.bond_halfbond.setToolTip(
            "each half of the bond will be colored according to the atom's color"
        )
        bond_options.addRow("half-bond:", self.bond_halfbond)

        self.bond_color = ColorButton(has_alpha_channel=True,
                                      max_size=(16, 16))
        self.bond_color.set_color(self.settings.bond_color)
        self.bond_color.setEnabled(
            self.bond_halfbond.checkState() != Qt.Checked)
        self.bond_halfbond.stateChanged.connect(
            lambda state, widget=self.bond_color: self.bond_color.setEnabled(
                state != Qt.Checked))
        bond_options.addRow("color:", self.bond_color)

        self.bond_radius = QDoubleSpinBox()
        self.bond_radius.setRange(0.01, 1)
        self.bond_radius.setDecimals(3)
        self.bond_radius.setSingleStep(0.005)
        self.bond_radius.setSuffix(" \u212B")
        self.bond_radius.setValue(self.settings.bond_radius)
        bond_options.addRow("radius:", self.bond_radius)

        draw_tsbonds = QPushButton("draw bond between selected atoms")
        draw_tsbonds.clicked.connect(self.run_bond)
        bond_options.addRow(draw_tsbonds)
        self.draw_tsbonds = draw_tsbonds

        erase_bonds = QPushButton("erase selected bonds")
        erase_bonds.clicked.connect(
            lambda *, ses=self.session: run(ses, "delete bonds sel"))
        bond_options.addRow(erase_bonds)
        self.erase_bonds = erase_bonds

        hbond_tab = QWidget()
        hbond_options = QFormLayout(hbond_tab)

        self.hbond_color = ColorButton(has_alpha_channel=True,
                                       max_size=(16, 16))
        self.hbond_color.set_color(self.settings.hbond_color)
        hbond_options.addRow("color:", self.hbond_color)

        self.hbond_radius = QDoubleSpinBox()
        self.hbond_radius.setDecimals(3)
        self.hbond_radius.setSuffix(" \u212B")
        self.hbond_radius.setValue(self.settings.hbond_radius)
        hbond_options.addRow("radius:", self.hbond_radius)

        self.hbond_dashes = QSpinBox()
        self.hbond_dashes.setRange(0, 28)
        self.hbond_dashes.setSingleStep(2)
        self.hbond_radius.setSingleStep(0.005)
        self.hbond_dashes.setValue(self.settings.hbond_dashes)
        hbond_options.addRow("dashes:", self.hbond_dashes)

        draw_hbonds = QPushButton("draw H-bonds")
        draw_hbonds.clicked.connect(self.run_hbond)
        hbond_options.addRow(draw_hbonds)
        self.draw_hbonds = draw_hbonds

        erase_hbonds = QPushButton("erase all H-bonds")
        erase_hbonds.clicked.connect(
            lambda *, ses=self.session: run(ses, "~hbonds"))
        hbond_options.addRow(erase_hbonds)
        self.erase_hbonds = erase_hbonds

        tm_bond_tab = QWidget()
        tm_bond_options = QFormLayout(tm_bond_tab)

        self.tm_bond_color = ColorButton(has_alpha_channel=True,
                                         max_size=(16, 16))
        self.tm_bond_color.set_color(self.settings.tm_bond_color)
        tm_bond_options.addRow("color:", self.tm_bond_color)

        self.tm_bond_radius = QDoubleSpinBox()
        self.tm_bond_radius.setDecimals(3)
        self.tm_bond_radius.setSuffix(" \u212B")
        self.tm_bond_radius.setValue(self.settings.tm_bond_radius)
        tm_bond_options.addRow("radius:", self.tm_bond_radius)

        self.tm_bond_dashes = QSpinBox()
        self.tm_bond_dashes.setRange(0, 28)
        self.tm_bond_dashes.setSingleStep(2)
        self.tm_bond_radius.setSingleStep(0.005)
        self.tm_bond_dashes.setValue(self.settings.tm_bond_dashes)
        tm_bond_options.addRow("dashes:", self.tm_bond_dashes)

        draw_tm_bonds = QPushButton("draw metal coordination bonds")
        draw_tm_bonds.clicked.connect(self.run_tm_bond)
        tm_bond_options.addRow(draw_tm_bonds)
        self.draw_tm_bonds = draw_tm_bonds

        erase_tm_bonds = QPushButton("erase all metal coordination bonds")
        erase_tm_bonds.clicked.connect(self.del_tm_bond)
        tm_bond_options.addRow(erase_tm_bonds)
        self.erase_tm_bonds = erase_tm_bonds

        bond_length_tab = QWidget()
        bond_length_layout = QFormLayout(bond_length_tab)

        self.bond_distance = QDoubleSpinBox()
        self.bond_distance.setRange(0.5, 10.0)
        self.bond_distance.setSingleStep(0.05)
        self.bond_distance.setValue(1.51)
        self.bond_distance.setSuffix(" \u212B")
        bond_length_layout.addRow("bond length:", self.bond_distance)

        self.move_fragment = QComboBox()
        self.move_fragment.addItems(["both", "smaller", "larger"])
        bond_length_layout.addRow("move side:", self.move_fragment)

        bond_lookup = QGroupBox("bond length lookup:")
        bond_lookup_layout = QGridLayout(bond_lookup)

        bond_lookup_layout.addWidget(
            QLabel("elements:"),
            0,
            0,
        )

        self.ele1 = ElementButton("C", single_state=True)
        self.ele1.clicked.connect(
            lambda *args, button=self.ele1: self.open_ptable(button))
        bond_lookup_layout.addWidget(self.ele1, 0, 1,
                                     Qt.AlignRight | Qt.AlignTop)

        bond_lookup_layout.addWidget(QLabel("-"), 0, 2,
                                     Qt.AlignHCenter | Qt.AlignVCenter)

        self.ele2 = ElementButton("C", single_state=True)
        self.ele2.clicked.connect(
            lambda *args, button=self.ele2: self.open_ptable(button))
        bond_lookup_layout.addWidget(self.ele2, 0, 3,
                                     Qt.AlignLeft | Qt.AlignTop)

        bond_lookup_layout.addWidget(QLabel("bond order:"), 1, 0)

        self.bond_order = BondOrderSpinBox()
        self.bond_order.setRange(1., 3.)
        self.bond_order.setValue(1)
        self.bond_order.setSingleStep(0.5)
        self.bond_order.setDecimals(1)
        self.bond_order.valueChanged.connect(self.check_bond_lengths)
        bond_lookup_layout.addWidget(self.bond_order, 1, 1, 1, 3)

        bond_lookup_layout.setColumnStretch(0, 0)
        bond_lookup_layout.setColumnStretch(1, 0)
        bond_lookup_layout.setColumnStretch(2, 0)
        bond_lookup_layout.setColumnStretch(3, 1)

        bond_length_layout.addRow(bond_lookup)

        self.status = QStatusBar()
        self.status.setSizeGripEnabled(False)
        bond_lookup_layout.addWidget(self.status, 2, 0, 1, 4)

        self.do_bond_change = QPushButton("change selected bond lengths")
        self.do_bond_change.clicked.connect(self.change_bond_length)
        bond_length_layout.addRow(self.do_bond_change)

        tabs.addTab(bond_tab, "covalent bonds")
        tabs.addTab(ts_bond_tab, "TS bonds")
        tabs.addTab(hbond_tab, "H-bonds")
        tabs.addTab(tm_bond_tab, "coordination bonds")
        tabs.addTab(bond_length_tab, "bond length")

        self.tool_window.ui_area.setLayout(layout)

        self.tool_window.manage(None)

    def run_tsbond(self, *args):
        args = ["tsbond", "sel"]

        color = self.tsbond_color.get_color()
        args.extend(["color", "rgb(%i, %i, %i)" % tuple(color[:-1])])
        self.settings.tsbond_color = tuple([c / 255. for c in color])

        radius = self.tsbond_radius.value()
        args.extend(["radius", "%.3f" % radius])
        self.settings.tsbond_radius = radius

        transparency = self.tsbond_transparency.value()
        args.extend(["transparency", "%i" % transparency])
        self.settings.tsbond_transparency = transparency

        run(self.session, " ".join(args))

    def run_erase_tsbond(self, *args):
        run(self.session, "~tsbond sel")

    def run_bond(self, *args):
        # TODO: switch to `bond sel` in 1.2
        sel = selected_atoms(self.session)
        halfbond = self.bond_halfbond.checkState() == Qt.Checked
        self.settings.bond_halfbond = halfbond

        if not halfbond:
            color = self.bond_color.get_color()
            color = tuple(x / 255. for x in color)
            self.settings.bond_color = color

        radius = self.bond_radius.value()
        self.settings.bond_radius = radius

        for b in selected_bonds(self.session):
            b.halfbond = halfbond
            if not halfbond:
                b.color = np.array([int(x * 255) for x in color])

            b.radius = radius

        for i, a1 in enumerate(sel):
            for a2 in sel[:i]:
                if a1.structure is a2.structure and a2 not in a1.neighbors:
                    new_bond = a1.structure.new_bond(a1, a2)
                    new_bond.halfbond = halfbond

                    if not halfbond:
                        new_bond.color = np.array(
                            [int(x * 255) for x in color])

                    new_bond.radius = radius

    def run_hbond(self, *args):
        args = ["hbonds", "reveal", "true"]

        color = self.hbond_color.get_color()
        args.extend(["color", "rgb(%i, %i, %i)" % tuple(color[:-1])])
        self.settings.hbond_color = tuple([c / 255. for c in color])

        radius = self.hbond_radius.value()
        args.extend(["radius", "%.3f" % radius])
        self.settings.hbond_radius = radius

        dashes = self.hbond_dashes.value()
        args.extend(["dashes", "%i" % dashes])
        self.settings.hbond_dashes = dashes

        run(self.session, " ".join(args))

    def run_tm_bond(self, *args):
        color = self.tm_bond_color.get_color()
        self.settings.tm_bond_color = tuple([c / 255. for c in color])

        radius = self.tm_bond_radius.value()
        self.settings.tm_bond_radius = radius

        dashes = self.tm_bond_dashes.value()
        self.settings.tm_bond_dashes = dashes

        models = self.session.models.list(type=AtomicStructure)
        for model in models:
            rescol = ResidueCollection(model, bonds_matter=False)
            try:
                tm_list = rescol.find([
                    AnyTransitionMetal(), "Na", "K", "Rb", "Cs", "Fr", "Mg",
                    "Ca", "Sr", "Ba", "Ra"
                ])
                for tm in tm_list:
                    for atom in rescol.atoms:
                        if atom is tm:
                            continue

                        if atom.is_connected(tm):
                            pbg = model.pseudobond_group(
                                model.PBG_METAL_COORDINATION,
                                create_type="normal")
                            pbg.new_pseudobond(tm.chix_atom, atom.chix_atom)
                            pbg.dashes = dashes
                            pbg.color = color
                            pbg.radius = radius

            except LookupError:
                pass

    def del_tm_bond(self, *args):
        models = self.session.models.list(type=AtomicStructure)
        for model in models:
            pbg = model.pseudobond_group(model.PBG_METAL_COORDINATION,
                                         create_type=None)
            if pbg is not None:
                pbg.delete()

    def open_ptable(self, button):
        self.tool_window.create_child_window("select element",
                                             window_class=PTable2,
                                             button=button,
                                             callback=self.check_bond_lengths)

    def check_bond_lengths(self, *args):
        ele1 = self.ele1.text()
        ele2 = self.ele2.text()
        key = ORDER_BOND_ORDER.key(ele1, ele2)

        order = "%.1f" % self.bond_order.value()
        if key in ORDER_BOND_ORDER.bonds and order in ORDER_BOND_ORDER.bonds[
                key]:
            self.bond_distance.setValue(ORDER_BOND_ORDER.bonds[key][order])
            self.status.showMessage("")
        else:
            self.status.showMessage("no bond data for %s-%s %sx bonds" %
                                    (ele1, ele2, order))

    def change_bond_length(self, *args):
        dist = self.bond_distance.value()

        atom_pairs = []

        sel = selected_atoms(self.session)
        if len(sel) == 2 and sel[0].structure is sel[1].structure:
            atom_pairs.append(sel)

        for bond in selected_bonds(self.session):
            if not all(atom in sel for atom in bond.atoms):
                atom_pairs.append(bond.atoms)

        for bond in selected_pseudobonds(self.session):
            if not all(atom in sel for atom in bond.atoms):
                atom_pairs.append(bond.atoms)

        for pair in atom_pairs:
            atom1, atom2 = pair
            frag1 = get_fragment(atom1,
                                 stop=atom2,
                                 max_len=atom1.structure.num_atoms)
            frag2 = get_fragment(atom2,
                                 stop=atom1,
                                 max_len=atom1.structure.num_atoms)

            v = atom2.coord - atom1.coord

            cur_dist = np.linalg.norm(v)
            change = dist - cur_dist

            if self.move_fragment.currentText() == "both":
                change = 0.5 * change
                frag1.coords -= change * v / cur_dist
                frag2.coords += change * v / cur_dist
            elif self.move_fragment.currentText() == "smaller":
                if len(frag1) < len(frag2) or (len(frag1) == len(frag2)
                                               and sum(frag1.elements.masses) <
                                               sum(frag2.elements.masses)):
                    frag1.coords -= change * v / cur_dist
                else:
                    frag2.coords += change * v / cur_dist
            elif self.move_fragment.currentText() == "larger":
                if len(frag1) > len(frag2) or (len(frag1) == len(frag2)
                                               and sum(frag1.elements.masses) >
                                               sum(frag2.elements.masses)):
                    frag1.coords -= change * v / cur_dist
                else:
                    frag2.coords += change * v / cur_dist
class TestRunner(ToolInstance):
    def __init__(self, session, name):
        super().__init__(session, name)
        self.tool_window = MainToolWindow(self)

        self._build_ui()

    def _build_ui(self):
        """
        ui should have:
            * table with a list of available tests and show results after they are done
            * way to filter tests
            * button to run tests
        """
        layout = QFormLayout()

        # table to list test classes and the results
        self.table = QTableWidget()
        self.table.setColumnCount(2)
        self.table.setHorizontalHeaderLabels(["test", "result"])
        self.table.horizontalHeader().setSectionResizeMode(
            0,
            self.table.horizontalHeader().Interactive)
        self.table.setEditTriggers(QTableWidget.NoEditTriggers)
        self.table.horizontalHeader().setSectionResizeMode(
            1,
            self.table.horizontalHeader().Stretch)
        self.table.setSizePolicy(QSizePolicy.MinimumExpanding,
                                 QSizePolicy.MinimumExpanding)
        self.table.setSelectionBehavior(self.table.SelectRows)
        layout.addRow(self.table)

        self.filter = QLineEdit()
        self.filter.setPlaceholderText("filter test names")
        self.filter.setClearButtonEnabled(True)
        self.filter.textChanged.connect(self.apply_filter)
        layout.addRow(self.filter)

        self.profile = QCheckBox()
        self.profile.setToolTip("profile functions called during testing "
                                "using cProfile")
        layout.addRow("profile calls:", self.profile)

        self.run_button = QPushButton("run tests")
        self.run_button.clicked.connect(self.run_tests)
        self.run_button.setToolTip(
            "if no tests are selected on the table, run all tests\n" +
            "otherwise, run selected tests")
        layout.addRow(self.run_button)

        self.fill_table()
        self.table.resizeColumnToContents(0)

        self.tool_window.ui_area.setLayout(layout)

        self.tool_window.manage(None)

    def apply_filter(self, text=None):
        """filter table to only show tests matching text"""
        if text is None:
            text = self.filter.text()

        if text:
            text = text.replace("(", "\(")
            text = text.replace(")", "\)")
            m = QRegularExpression(text)
            m.setPatternOptions(QRegularExpression.CaseInsensitiveOption)
            if m.isValid():
                m.optimize()
                filter = lambda row_num: m.match(
                    self.table.item(row_num, 0).text()).hasMatch()
            else:
                return

        else:
            filter = lambda row: True

        for i in range(0, self.table.rowCount()):
            self.table.setRowHidden(i, not filter(i))

    def fill_table(self):
        """adds test names to the table"""
        mgr = self.session.test_manager

        for name in mgr.tests.keys():
            row = self.table.rowCount()
            self.table.insertRow(row)
            test_name = QTableWidgetItem()
            test_name.setData(Qt.DisplayRole, name)
            self.table.setItem(row, 0, test_name)

    def run_tests(self):
        """run the tests selected on the table and show the results"""
        from TestManager.commands.test import test

        test_list = []

        use_selected = True
        for row in self.table.selectionModel().selectedRows():
            if self.table.isRowHidden(row.row()):
                continue

            test_name = self.table.item(row.row(), 0).text()
            test_list.append(test_name)

        if not test_list:
            use_selected = False
            for i in range(0, self.table.rowCount()):
                if self.table.isRowHidden(i):
                    continue

                test_name = self.table.item(i, 0).text()
                test_list.append(test_name)

            if not test_list:
                test_list = ["all"]

        results, stats = test(self.session,
                              test_list,
                              profile=self.profile.checkState() == Qt.Checked)

        cell_widgets = []

        for name in results:
            widget = QWidget()
            widget_layout = QHBoxLayout(widget)
            widget_layout.setContentsMargins(0, 0, 0, 0)

            success_button = get_button("success")
            fail_button = get_button("fail")
            skip_button = get_button("skip")
            error_button = get_button("error")
            expected_fail_button = get_button("expected fail")
            unexpected_success_button = get_button("unexpected success")

            success_count = 0
            fail_count = 0
            error_count = 0
            unexpected_success_count = 0
            expected_fail_count = 0
            skip_count = 0

            success_tooltip = "Successes:\n"
            fail_tooltip = "Failed tests:\n"
            error_tooltip = "Errors during test:\n"
            unexpected_success_tooltip = "Unexpected successes:\n"
            expected_fail_tooltip = "Expected fails:\n"
            skip_tooltip = "Skipped tests:\n"

            for case in results[name]:
                result, msg = results[name][case]
                if result == "success":
                    success_count += 1
                    success_tooltip += "%s.%s: %s\n" % (
                        case.__class__.__qualname__, case._testMethodName, msg)

                elif result == "fail":
                    fail_count += 1
                    fail_tooltip += "%s.%s failed: %s\n" % (
                        case.__class__.__qualname__, case._testMethodName, msg)

                elif result == "error":
                    error_count += 1
                    error_tooltip += "error during %s.%s: %s\n" % (
                        case.__class__.__qualname__, case._testMethodName, msg)

                elif result == "expected_failure":
                    expected_fail_count += 1
                    expected_fail_tooltip += "intended failure during %s.%s: %s\n" % (
                        case.__class__.__qualname__, case._testMethodName, msg)

                elif result == "skip":
                    skip_count += 1
                    skip_tooltip += "%s.%s\n" % (case.__class__.__qualname__,
                                                 case._testMethodName)

                elif result == "unexpected_success":
                    unexpected_success_count += 1
                    unexpected_success_tooltip += "%s.%s should not have worked, but did\n" % (
                        case.__class__.__qualname__, case._testMethodName)

            success_tooltip = success_tooltip.strip()
            fail_tooltip = fail_tooltip.strip()
            error_tooltip = error_tooltip.strip()
            expected_fail_tooltip = expected_fail_tooltip.strip()
            skip_tooltip = skip_tooltip.strip()
            unexpected_success_tooltip = unexpected_success_tooltip.strip()

            icon_count = 0
            if success_count:
                success_button.setText("%i" % success_count)
                success_button.setToolTip(success_tooltip)
                success_button.clicked.connect(
                    lambda *args, t_name=name, res=success_tooltip: self.
                    tool_window.create_child_window(
                        "successes for %s" % t_name,
                        text=res,
                        window_class=ResultsWindow,
                    ))
                widget_layout.insertWidget(icon_count, success_button, 1)
                icon_count += 1

            if fail_count:
                fail_button.setText("%i" % fail_count)
                fail_button.setToolTip(fail_tooltip)
                fail_button.clicked.connect(
                    lambda *args, res=fail_tooltip: self.tool_window.
                    create_child_window(
                        "failures for %s" % name,
                        text=res,
                        window_class=ResultsWindow,
                    ))
                widget_layout.insertWidget(icon_count, fail_button, 1)
                icon_count += 1

            if error_count:
                error_button.setText("%i" % error_count)
                error_button.setToolTip(error_tooltip)
                error_button.clicked.connect(
                    lambda *args, res=error_tooltip: self.tool_window.
                    create_child_window(
                        "errors for %s" % name,
                        text=res,
                        window_class=ResultsWindow,
                    ))
                widget_layout.insertWidget(icon_count, error_button, 1)
                icon_count += 1

            if unexpected_success_count:
                unexpected_success_button.setText("%i" %
                                                  unexpected_success_count)
                unexpected_success_button.setToolTip(
                    unexpected_success_tooltip)
                unexpected_success_button.clicked.connect(
                    lambda *args, res=unexpected_success_tooltip: self.
                    tool_window.create_child_window(
                        "unexpected successes for %s" % name,
                        text=res,
                        window_class=ResultsWindow,
                    ))
                widget_layout.insertWidget(icon_count,
                                           unexpected_success_button, 1)
                icon_count += 1

            if expected_fail_count:
                expected_fail_button.setText("%i" % expected_fail_count)
                expected_fail_button.setToolTip(expected_fail_tooltip)
                expected_fail_button.clicked.connect(
                    lambda *args, res=expected_fail_tooltip: self.tool_window.
                    create_child_window(
                        "expected failures for %s" % name,
                        text=res,
                        window_class=ResultsWindow,
                    ))
                widget_layout.insertWidget(icon_count, expected_fail_button, 1)
                icon_count += 1

            if skip_count:
                skip_button.setText("%i" % skip_count)
                skip_button.setToolTip(skip_tooltip)
                skip_button.clicked.connect(
                    lambda *args, res=skip_tooltip: self.tool_window.
                    create_child_window(
                        "skipped tests for %s" % name,
                        text=res,
                        window_class=ResultsWindow,
                    ))
                widget_layout.insertWidget(icon_count, skip_button, 1)

            cell_widgets.append(widget)

        widget_count = 0
        if use_selected:
            for row in self.table.selectionModel().selectedRows():
                if self.table.isRowHidden(row.row()):
                    continue

                self.table.setCellWidget(row.row(), 1,
                                         cell_widgets[widget_count])
                self.table.resizeRowToContents(row.row())
                widget_count += 1

        else:
            for i in range(0, self.table.rowCount()):
                if self.table.isRowHidden(i):
                    continue

                self.table.setCellWidget(i, 1, cell_widgets[widget_count])
                # self.table.resizeRowToContents(i)
                widget_count += 1

        if self.profile.checkState() == Qt.Checked:
            self.tool_window.create_child_window("stats",
                                                 text=stats,
                                                 window_class=ResultsWindow)
Example #3
0
class JobQueue(ToolInstance):
    SESSION_ENDURING = False
    SESSION_SAVE = False

    NAME_COL = 0
    STATUS_COL = 1
    SERVER_COL = 2
    CHANGE_PRIORITY = 3
    KILL_COL = 4
    DEL_COL = 5
    BROWSE_COL = 6

    def __init__(self, session, name):
        super().__init__(session, name)

        self.display_name = "Job Queue"

        self.tool_window = MainToolWindow(self)

        if not self.session.seqcrow_job_manager.initialized:
            self.session.seqcrow_job_manager.init_queue()

        self._build_ui()

        self._job_queued = self.session.seqcrow_job_manager.triggers.add_handler(
            JOB_QUEUED, lambda *args: self.fill_tree(*args))
        self._job_started = self.session.seqcrow_job_manager.triggers.add_handler(
            JOB_STARTED, lambda *args: self.fill_tree(*args))
        self._job_finished = self.session.seqcrow_job_manager.triggers.add_handler(
            JOB_FINISHED, lambda *args: self.fill_tree(*args))

        self.fill_tree()

    def _build_ui(self):
        layout = QGridLayout()

        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)

        self.tree = QTreeWidget()
        self.tree.setSelectionMode(QTreeWidget.ExtendedSelection)
        self.tree.setHeaderLabels([
            "name", "status", "server", "prioritize", "kill", "delete",
            "browse"
        ])
        self.tree.setUniformRowHeights(True)

        self.tree.setColumnWidth(0, 150)
        layout.addWidget(self.tree, 0, 0, 6, 1, Qt.AlignTop)

        row = 0

        pause_button = QPushButton(
            "pause new jobs"
            if not self.session.seqcrow_job_manager.paused else "resume jobs")
        pause_button.setCheckable(True)
        pause_button.clicked.connect(lambda check: pause_button.setText(
            "pause new jobs" if not check else "resume jobs"))
        pause_button.setChecked(self.session.seqcrow_job_manager.paused)
        pause_button.clicked.connect(self.pause_queue)
        layout.addWidget(pause_button, row, 1, 1, 1, Qt.AlignTop)

        row += 1

        open_button = QPushButton("open structure")
        open_button.clicked.connect(self.open_jobs)
        layout.addWidget(open_button, row, 1, 1, 1, Qt.AlignTop)

        row += 1

        log_button = QPushButton("log")
        log_button.clicked.connect(self.open_log)
        layout.addWidget(log_button, row, 1, 1, 1, Qt.AlignTop)

        row += 1

        output_button = QPushButton("raw output")
        output_button.clicked.connect(self.open_output)
        layout.addWidget(output_button, row, 1, 1, 1, Qt.AlignTop)

        row += 1

        refresh_button = QToolButton()
        refresh_button.setSizePolicy(QSizePolicy.Fixed,
                                     QSizePolicy.MinimumExpanding)
        refresh_button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
        refresh_button.setIcon(
            QIcon(refresh_button.style().standardIcon(
                QStyle.SP_BrowserReload)))
        refresh_button.setText('check jobs')
        refresh_button.clicked.connect(
            lambda *args: self.session.seqcrow_job_manager.triggers.
            activate_trigger(JOB_QUEUED, "refresh"))
        layout.addWidget(refresh_button, row, 1, 1, 1, Qt.AlignTop)

        row += 1

        for i in range(0, row - 1):
            layout.setRowStretch(i, 0)

        layout.setRowStretch(row - 1, 1)
        layout.setColumnStretch(0, 1)
        layout.setColumnStretch(1, 0)

        self.tool_window.ui_area.setLayout(layout)

        self.tool_window.manage(None)

    def fill_tree(self, trigger_name=None, trigger_job=None):
        item_stack = [self.tree.invisibleRootItem()]

        self.tree.clear()

        jobs = self.session.seqcrow_job_manager.jobs

        for job in jobs:
            name = job.name
            parent = item_stack[0]
            item = QTreeWidgetItem(parent)
            item_stack.append(item)

            item.setData(self.NAME_COL, Qt.DisplayRole, job)
            item.setText(self.NAME_COL, name)

            if isinstance(job, LocalJob):
                if job.killed:
                    item.setText(self.STATUS_COL, "killed")

                    del_job_widget = QWidget()
                    del_job_layout = QGridLayout(del_job_widget)
                    del_job = QPushButton()
                    del_job.clicked.connect(
                        lambda *args, job=job: self.remove_job(job))
                    del_job.setIcon(
                        QIcon(del_job_widget.style().standardIcon(
                            QStyle.SP_DialogDiscardButton)))
                    del_job.setFlat(True)
                    del_job_layout.addWidget(del_job, 0, 0, 1, 1,
                                             Qt.AlignHCenter)
                    del_job_layout.setColumnStretch(0, 1)
                    del_job_layout.setContentsMargins(0, 0, 0, 0)
                    self.tree.setItemWidget(item, self.DEL_COL, del_job_widget)

                elif job.isRunning():
                    if job in self.session.seqcrow_job_manager.unknown_status_jobs:
                        unk_widget = QWidget()
                        unk_layout = QGridLayout(unk_widget)
                        unk = QPushButton()
                        unk.setIcon(
                            QIcon(unk_widget.style().standardIcon(
                                QStyle.SP_MessageBoxQuestion)))
                        unk.setFlat(True)
                        unk.clicked.connect(lambda *args, job=job: self.
                                            show_ask_if_running(job))
                        unk_layout.addWidget(unk, 0, 0, 1, 1, Qt.AlignHCenter)
                        unk_layout.setColumnStretch(0, 1)
                        unk_layout.setContentsMargins(0, 0, 0, 0)
                        self.tree.setItemWidget(item, self.STATUS_COL,
                                                unk_widget)

                    else:
                        item.setText(self.STATUS_COL, "running")

                        kill_widget = QWidget()
                        kill_layout = QGridLayout(kill_widget)
                        kill = QPushButton()
                        kill.setIcon(
                            QIcon(kill_widget.style().standardIcon(
                                QStyle.SP_DialogCancelButton)))
                        kill.setFlat(True)
                        kill.clicked.connect(lambda *args, job=job: job.kill())
                        kill.clicked.connect(
                            lambda *args, session=self.session: session.
                            seqcrow_job_manager.triggers.activate_trigger(
                                JOB_QUEUED, "resume"))
                        kill_layout.addWidget(kill, 0, 0, 1, 1, Qt.AlignLeft)
                        kill_layout.setColumnStretch(0, 0)
                        kill_layout.setContentsMargins(0, 0, 0, 0)
                        self.tree.setItemWidget(item, self.KILL_COL,
                                                kill_widget)

                elif job.isFinished():
                    if not job.error:
                        item.setText(self.STATUS_COL, "finished")
                    else:
                        error_widget = QWidget()
                        error_layout = QGridLayout(error_widget)
                        error = QPushButton()
                        error.setIcon(
                            QIcon(error_widget.style().standardIcon(
                                QStyle.SP_MessageBoxWarning)))
                        error.setFlat(True)
                        error.setToolTip(
                            "job did not finish without errors or output file cannot be found"
                        )
                        error_layout.addWidget(error, 0, 0, 1, 1,
                                               Qt.AlignHCenter)
                        error_layout.setColumnStretch(0, 1)
                        error_layout.setContentsMargins(0, 0, 0, 0)
                        self.tree.setItemWidget(item, self.STATUS_COL,
                                                error_widget)

                    del_job_widget = QWidget()
                    del_job_layout = QGridLayout(del_job_widget)
                    del_job = QPushButton()
                    del_job.clicked.connect(
                        lambda *args, job=job: self.remove_job(job))
                    del_job.setIcon(
                        QIcon(del_job_widget.style().standardIcon(
                            QStyle.SP_DialogDiscardButton)))
                    del_job.setFlat(True)
                    del_job_layout.addWidget(del_job, 0, 0, 1, 1,
                                             Qt.AlignHCenter)
                    del_job_layout.setColumnStretch(0, 1)
                    del_job_layout.setContentsMargins(0, 0, 0, 0)
                    self.tree.setItemWidget(item, self.DEL_COL, del_job_widget)

                else:
                    item.setText(self.STATUS_COL, "queued")

                    priority_widget = QWidget()
                    priority_layout = QGridLayout(priority_widget)
                    inc_priority = QPushButton()
                    inc_priority.setIcon(
                        QIcon(priority_widget.style().standardIcon(
                            QStyle.SP_ArrowUp)))
                    inc_priority.setFlat(True)
                    inc_priority.clicked.connect(
                        lambda *args, job=job: self.session.seqcrow_job_manager
                        .increase_priotity(job))
                    priority_layout.addWidget(inc_priority, 0, 0, 1, 1,
                                              Qt.AlignRight)
                    dec_priority = QPushButton()
                    dec_priority.setIcon(
                        QIcon(priority_widget.style().standardIcon(
                            QStyle.SP_ArrowDown)))
                    dec_priority.setFlat(True)
                    dec_priority.clicked.connect(
                        lambda *args, job=job: self.session.seqcrow_job_manager
                        .decrease_priotity(job))
                    priority_layout.addWidget(dec_priority, 0, 1, 1, 1,
                                              Qt.AlignLeft)
                    priority_layout.setColumnStretch(0, 1)
                    priority_layout.setColumnStretch(1, 1)
                    priority_layout.setContentsMargins(0, 0, 0, 0)
                    self.tree.setItemWidget(item, self.CHANGE_PRIORITY,
                                            priority_widget)

                    kill_widget = QWidget()
                    kill_layout = QGridLayout(kill_widget)
                    kill = QPushButton()
                    kill.setIcon(
                        QIcon(kill_widget.style().standardIcon(
                            QStyle.SP_DialogCancelButton)))
                    kill.setFlat(True)
                    kill.clicked.connect(lambda *args, job=job: job.kill())
                    kill.clicked.connect(
                        lambda *args, session=self.session: session.
                        seqcrow_job_manager.triggers.activate_trigger(
                            JOB_QUEUED, "resume"))
                    kill_layout.addWidget(kill, 0, 0, 1, 1, Qt.AlignLeft)
                    kill_layout.setColumnStretch(0, 0)
                    kill_layout.setContentsMargins(0, 0, 0, 0)
                    self.tree.setItemWidget(item, self.KILL_COL, kill_widget)

                item.setText(self.SERVER_COL, "local")

                if job.scratch_dir and os.path.exists(job.scratch_dir):
                    browse_widget = QWidget()
                    browse_layout = QGridLayout(browse_widget)
                    browse = QPushButton()
                    browse.clicked.connect(
                        lambda *args, job=job: self.browse_local(job))
                    browse.setIcon(
                        QIcon(browse_widget.style().standardIcon(
                            QStyle.SP_DirOpenIcon)))
                    browse.setFlat(True)
                    browse_layout.addWidget(browse, 0, 0, 1, 1, Qt.AlignLeft)
                    browse_layout.setColumnStretch(0, 1)
                    browse_layout.setContentsMargins(0, 0, 0, 0)
                    self.tree.setItemWidget(item, self.BROWSE_COL,
                                            browse_widget)

            self.tree.expandItem(item)

        self.tree.resizeColumnToContents(self.STATUS_COL)
        self.tree.resizeColumnToContents(self.SERVER_COL)
        self.tree.resizeColumnToContents(self.CHANGE_PRIORITY)
        self.tree.resizeColumnToContents(self.KILL_COL)
        self.tree.resizeColumnToContents(self.DEL_COL)
        self.tree.resizeColumnToContents(self.BROWSE_COL)

    def pause_queue(self):
        self.session.seqcrow_job_manager.paused = not self.session.seqcrow_job_manager.paused
        self.session.seqcrow_job_manager.triggers.activate_trigger(
            JOB_QUEUED, "pauseunpause")

    def resume_queue(self):
        self.session.seqcrow_job_manager.paused = False
        self.session.seqcrow_job_manager.triggers.activate_trigger(
            JOB_QUEUED, "resume")

    def open_jobs(self):
        jobs = self.session.seqcrow_job_manager.jobs
        ndxs = list(set([item.row() for item in self.tree.selectedIndexes()]))
        for ndx in ndxs:
            job = jobs[ndx]
            if hasattr(job, "output_name"
                       ) and job.output_name and job.format_name in read_types:
                run(job.session,
                    "open \"%s\" coordsets true" % job.output_name,
                    log=False)
            elif hasattr(job, "output_name") and job.output_name:
                run(job.session, "open \"%s\"" % job.output_name, log=False)

    def open_log(self):
        jobs = self.session.seqcrow_job_manager.jobs
        ndxs = list(set([item.row() for item in self.tree.selectedIndexes()]))
        for ndx in ndxs:
            job = jobs[ndx]
            if hasattr(job, "scratch_dir") and os.path.exists(job.scratch_dir):
                self.tool_window.create_child_window("%s log" % job.name,
                                                     window_class=JobLog,
                                                     scr_dir=job.scratch_dir)

    def open_output(self):
        jobs = self.session.seqcrow_job_manager.jobs
        ndxs = list(set([item.row() for item in self.tree.selectedIndexes()]))
        for ndx in ndxs:
            job = jobs[ndx]
            if hasattr(job, "output_name"):
                self.tool_window.create_child_window("%s log" % job.name,
                                                     window_class=JobOutput,
                                                     file=job.output_name)

    def kill_running(self):
        jobs = self.session.seqcrow_job_manager.jobs
        ndxs = list(set([item.row() for item in self.tree.selectedIndexes()]))
        for ndx in ndxs:
            job = jobs[ndx]
            if not job.isFinished():
                job.kill()
                job.wait()

        self.session.seqcrow_job_manager.triggers.activate_trigger(
            JOB_QUEUED, "kill")

    def browse_local(self, job):
        #for some reason, this doesn't use the native file browser if i just do QFileDialog
        filename, _ = QFileDialog.getOpenFileName(
            directory=os.path.abspath(job.scratch_dir))

        if filename:
            run(self.session, "open \"%s\"" % filename)

    def remove_job(self, job):
        if isinstance(job, LocalJob):
            self.tree.takeTopLevelItem(
                self.session.seqcrow_job_manager.jobs.index(job))
            self.session.seqcrow_job_manager.remove_local_job(job)
            if hasattr(job, "scratch_dir") and os.path.exists(job.scratch_dir):
                yes = QMessageBox.question(
                    self.tool_window.ui_area,
                    "Remove local files?",
                    "%s has been removed from the queue.\n" % (job.name) + \
                    "Would you also like to move '%s' to the trash bin?" % job.scratch_dir,
                    QMessageBox.Yes | QMessageBox.No
                )

                if yes == QMessageBox.Yes:
                    send2trash(job.scratch_dir)

    def show_ask_if_running(self, job):
        if isinstance(job, LocalJob):
            yes = QMessageBox.question(self.tool_window.ui_area, \
                                       "Job status unknown", \
                                       "%s was running the last time ChimeraX was closed.\n" % (str(job)) + \
                                       "If the job is still running, it might compete with other jobs for you computer's resources, " + \
                                       "which could cause any running job to error out.\n\n" + \
                                       "Has this job finished running?", \
                                       QMessageBox.Yes | QMessageBox.No)

            if yes == QMessageBox.Yes:
                self.session.seqcrow_job_manager.unknown_status_jobs.remove(
                    job)
                job.isRunning = lambda *args, **kwargs: False
                job.isFinished = lambda *args, **kwargs: True

                self.session.seqcrow_job_manager.triggers.activate_trigger(
                    JOB_FINISHED, job)

    def delete(self):
        """overload delete"""
        self.session.seqcrow_job_manager.triggers.remove_handler(
            self._job_queued)
        self.session.seqcrow_job_manager.triggers.remove_handler(
            self._job_started)
        self.session.seqcrow_job_manager.triggers.remove_handler(
            self._job_finished)
        super().delete()

    def close(self):
        """overload close"""
        self.session.seqcrow_job_manager.triggers.remove_handler(
            self._job_queued)
        self.session.seqcrow_job_manager.triggers.remove_handler(
            self._job_started)
        self.session.seqcrow_job_manager.triggers.remove_handler(
            self._job_finished)
        super().close()
Example #4
0
class PercentVolumeBuried(ToolInstance):

    help = "https://github.com/QChASM/SEQCROW/wiki/Buried-Volume-Tool"
    SESSION_ENDURING = True
    SESSION_SAVE = True

    def __init__(self, session, name):
        super().__init__(session, name)

        self.tool_window = MainToolWindow(self)

        self.settings = _VburSettings(self.session, name)

        self.ligand_atoms = []

        self._build_ui()

    def _build_ui(self):
        layout = QGridLayout()

        tabs = QTabWidget()
        calc_widget = QWidget()
        calc_layout = QFormLayout(calc_widget)
        vis_widget = QWidget()
        vis_layout = QFormLayout(vis_widget)
        layout.addWidget(tabs)

        tabs.addTab(calc_widget, "calculation")
        tabs.addTab(vis_widget, "visualization")

        self.radii_option = QComboBox()
        self.radii_option.addItems(["Bondi", "UMN"])
        ndx = self.radii_option.findText(self.settings.radii, Qt.MatchExactly)
        self.radii_option.setCurrentIndex(ndx)
        calc_layout.addRow("radii:", self.radii_option)

        self.scale = QDoubleSpinBox()
        self.scale.setValue(self.settings.vdw_scale)
        self.scale.setSingleStep(0.01)
        self.scale.setRange(1., 1.5)
        calc_layout.addRow("VDW scale:", self.scale)

        set_ligand_atoms = QPushButton("set ligands to current selection")
        set_ligand_atoms.clicked.connect(self.set_ligand_atoms)
        set_ligand_atoms.setToolTip(
            "specify atoms to use in calculation\n" +
            "by default, all atoms will be used unless a single center is specified\n"
            +
            "in the case of a single center, all atoms except the center is used"
        )
        calc_layout.addRow(set_ligand_atoms)
        self.set_ligand_atoms = set_ligand_atoms

        self.radius = QDoubleSpinBox()
        self.radius.setValue(self.settings.center_radius)
        self.radius.setSuffix(" \u212B")
        self.radius.setDecimals(1)
        self.radius.setSingleStep(0.1)
        self.radius.setRange(1., 15.)
        calc_layout.addRow("radius around center:", self.radius)

        self.method = QComboBox()
        self.method.addItems(["Lebedev", "Monte-Carlo"])
        self.method.setToolTip("Lebedev: deterministic method\n" +
                               "Monte-Carlo: non-deterministic method")
        ndx = self.method.findText(self.settings.method, Qt.MatchExactly)
        self.method.setCurrentIndex(ndx)
        calc_layout.addRow("integration method:", self.method)

        leb_widget = QWidget()
        leb_layout = QFormLayout(leb_widget)
        leb_layout.setContentsMargins(0, 0, 0, 0)

        self.radial_points = QComboBox()
        self.radial_points.addItems(["20", "32", "64", "75", "99", "127"])
        self.radial_points.setToolTip(
            "more radial points will give more accurate results, but integration will take longer"
        )
        ndx = self.radial_points.findText(self.settings.radial_points,
                                          Qt.MatchExactly)
        self.radial_points.setCurrentIndex(ndx)
        leb_layout.addRow("radial points:", self.radial_points)

        self.angular_points = QComboBox()
        self.angular_points.addItems([
            "110", "194", "302", "590", "974", "1454", "2030", "2702", "5810"
        ])
        self.angular_points.setToolTip(
            "more angular points will give more accurate results, but integration will take longer"
        )
        ndx = self.angular_points.findText(self.settings.angular_points,
                                           Qt.MatchExactly)
        self.angular_points.setCurrentIndex(ndx)
        leb_layout.addRow("angular points:", self.angular_points)

        calc_layout.addRow(leb_widget)

        mc_widget = QWidget()
        mc_layout = QFormLayout(mc_widget)
        mc_layout.setContentsMargins(0, 0, 0, 0)

        self.min_iter = QSpinBox()
        self.min_iter.setValue(self.settings.minimum_iterations)
        self.min_iter.setRange(0, 10000)
        self.min_iter.setToolTip(
            "each iteration is 3000 points\n" +
            "iterations continue until convergence criteria are met")
        mc_layout.addRow("minimum interations:", self.min_iter)

        calc_layout.addRow(mc_widget)

        if self.settings.method == "Lebedev":
            mc_widget.setVisible(False)
        elif self.settings.method == "Monte-Carlo":
            leb_widget.setVisible(False)

        self.method.currentTextChanged.connect(
            lambda text, widget=leb_widget: widget.setVisible(text == "Lebedev"
                                                              ))
        self.method.currentTextChanged.connect(
            lambda text, widget=mc_widget: widget.setVisible(text ==
                                                             "Monte-Carlo"))

        self.use_centroid = QCheckBox()
        self.use_centroid.setChecked(self.settings.use_centroid)
        self.use_centroid.setToolTip(
            "place the center between selected atoms\n" +
            "might be useful for polydentate ligands")
        calc_layout.addRow("use centroid of centers:", self.use_centroid)

        steric_map_options = QGroupBox("steric map")
        steric_map_layout = QFormLayout(steric_map_options)

        self.steric_map = QCheckBox()
        self.steric_map.setChecked(self.settings.steric_map)
        self.steric_map.setToolTip(
            "produce a 2D projection of steric bulk\ncauses buried volume to be reported for individual quadrants"
        )
        steric_map_layout.addRow("create steric map:", self.steric_map)

        self.use_scene = QCheckBox()
        self.use_scene.setChecked(self.settings.use_scene)
        self.use_scene.setToolTip(
            "steric map will use the orientation the molecule is displayed in")
        steric_map_layout.addRow("use display orientation:", self.use_scene)

        self.num_pts = QSpinBox()
        self.num_pts.setRange(25, 250)
        self.num_pts.setValue(self.settings.num_pts)
        self.num_pts.setToolTip("number of points along x and y axes")
        steric_map_layout.addRow("number of points:", self.num_pts)

        self.include_vbur = QCheckBox()
        self.include_vbur.setChecked(self.settings.include_vbur)
        steric_map_layout.addRow("label quadrants with %V<sub>bur</sub>",
                                 self.include_vbur)

        self.map_shape = QComboBox()
        self.map_shape.addItems(["circle", "square"])
        ndx = self.map_shape.findText(self.settings.map_shape, Qt.MatchExactly)
        self.map_shape.setCurrentIndex(ndx)
        steric_map_layout.addRow("map shape:", self.map_shape)

        self.auto_minmax = QCheckBox()
        self.auto_minmax.setChecked(self.settings.auto_minmax)
        steric_map_layout.addRow("automatic min. and max.:", self.auto_minmax)

        self.map_min = QDoubleSpinBox()
        self.map_min.setRange(-15., 0.)
        self.map_min.setSuffix(" \u212B")
        self.map_min.setSingleStep(0.1)
        self.map_min.setValue(self.settings.map_min)
        steric_map_layout.addRow("minimum value:", self.map_min)

        self.map_max = QDoubleSpinBox()
        self.map_max.setRange(0., 15.)
        self.map_max.setSuffix(" \u212B")
        self.map_max.setSingleStep(0.1)
        self.map_max.setValue(self.settings.map_max)
        steric_map_layout.addRow("maximum value:", self.map_max)

        self.use_scene.setEnabled(self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.use_scene: widget.setEnabled(state == Qt.
                                                                   Checked))

        self.num_pts.setEnabled(self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.num_pts: widget.setEnabled(state == Qt.
                                                                 Checked))

        self.include_vbur.setEnabled(self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.include_vbur: widget.setEnabled(
                state == Qt.Checked))

        self.map_shape.setEnabled(self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.map_shape: widget.setEnabled(state == Qt.
                                                                   Checked))

        self.auto_minmax.setEnabled(self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.auto_minmax: widget.setEnabled(
                state == Qt.Checked))

        self.map_min.setEnabled(not self.settings.auto_minmax
                                and self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.map_min, widget2=self.auto_minmax: widget
            .setEnabled(state == Qt.Checked and not widget2.isChecked()))
        self.auto_minmax.stateChanged.connect(
            lambda state, widget=self.map_min, widget2=self.steric_map: widget.
            setEnabled(not state == Qt.Checked and widget2.isChecked()))

        self.map_max.setEnabled(not self.settings.auto_minmax
                                and self.settings.steric_map)
        self.steric_map.stateChanged.connect(
            lambda state, widget=self.map_max, widget2=self.auto_minmax: widget
            .setEnabled(state == Qt.Checked and not widget2.isChecked()))
        self.auto_minmax.stateChanged.connect(
            lambda state, widget=self.map_max, widget2=self.steric_map: widget.
            setEnabled(not state == Qt.Checked and widget2.isChecked()))

        vis_layout.addRow(steric_map_options)

        cutout_options = QGroupBox("volume cutout")
        cutout_layout = QFormLayout(cutout_options)

        self.display_cutout = QComboBox()
        self.display_cutout.addItems(["no", "free", "buried"])
        ndx = self.display_cutout.findText(self.settings.display_cutout,
                                           Qt.MatchExactly)
        self.display_cutout.setCurrentIndex(ndx)
        self.display_cutout.setToolTip("show free or buried volume")
        cutout_layout.addRow("display volume:", self.display_cutout)

        self.point_spacing = QDoubleSpinBox()
        self.point_spacing.setDecimals(3)
        self.point_spacing.setRange(0.01, 0.5)
        self.point_spacing.setSingleStep(0.005)
        self.point_spacing.setSuffix(" \u212B")
        self.point_spacing.setValue(self.settings.point_spacing)
        self.point_spacing.setToolTip(
            "distance between points on cutout\n" +
            "smaller spacing will narrow gaps, but increase time to create the cutout"
        )
        cutout_layout.addRow("point spacing:", self.point_spacing)

        self.intersection_scale = QDoubleSpinBox()
        self.intersection_scale.setDecimals(2)
        self.intersection_scale.setRange(1., 10.)
        self.intersection_scale.setSingleStep(0.5)
        self.intersection_scale.setSuffix("x")
        self.intersection_scale.setToolTip(
            "relative density of points where VDW radii intersect\n" +
            "higher density will narrow gaps, but increase time to create cutout"
        )
        self.intersection_scale.setValue(self.settings.intersection_scale)
        cutout_layout.addRow("intersection density:", self.intersection_scale)

        self.point_spacing.setEnabled(self.settings.display_cutout != "no")
        self.intersection_scale.setEnabled(
            self.settings.display_cutout != "no")

        self.display_cutout.currentTextChanged.connect(
            lambda text, widget=self.point_spacing: widget.setEnabled(text !=
                                                                      "no"))
        self.display_cutout.currentTextChanged.connect(
            lambda text, widget=self.intersection_scale: widget.setEnabled(
                text != "no"))

        vis_layout.addRow(cutout_options)

        calc_vbur_button = QPushButton(
            "calculate % buried volume for selected centers")
        calc_vbur_button.clicked.connect(self.calc_vbur)
        calc_layout.addRow(calc_vbur_button)
        self.calc_vbur_button = calc_vbur_button

        remove_vbur_button = QPushButton(
            "remove % buried volume visualizations")
        remove_vbur_button.clicked.connect(self.del_vbur)
        cutout_layout.addRow(remove_vbur_button)

        self.table = QTableWidget()
        self.table.setColumnCount(3)
        self.table.setHorizontalHeaderLabels(['model', 'center', '%Vbur'])
        self.table.setSelectionBehavior(QTableWidget.SelectRows)
        self.table.setEditTriggers(QTableWidget.NoEditTriggers)
        self.table.resizeColumnToContents(0)
        self.table.resizeColumnToContents(1)
        self.table.resizeColumnToContents(2)
        self.table.horizontalHeader().setSectionResizeMode(
            2, QHeaderView.Stretch)
        calc_layout.addRow(self.table)

        menu = QMenuBar()

        export = menu.addMenu("&Export")
        copy = QAction("&Copy CSV to clipboard", self.tool_window.ui_area)
        copy.triggered.connect(self.copy_csv)
        shortcut = QKeySequence(Qt.CTRL + Qt.Key_C)
        copy.setShortcut(shortcut)
        export.addAction(copy)
        self.copy = copy

        save = QAction("&Save CSV...", self.tool_window.ui_area)
        save.triggered.connect(self.save_csv)
        #this shortcut interferes with main window's save shortcut
        #I've tried different shortcut contexts to no avail
        #thanks Qt...
        #shortcut = QKeySequence(Qt.CTRL + Qt.Key_S)
        #save.setShortcut(shortcut)
        #save.setShortcutContext(Qt.WidgetShortcut)
        export.addAction(save)

        delimiter = export.addMenu("Delimiter")

        comma = QAction("comma", self.tool_window.ui_area, checkable=True)
        comma.setChecked(self.settings.delimiter == "comma")
        comma.triggered.connect(lambda *args, delim="comma": self.settings.
                                __setattr__("delimiter", delim))
        delimiter.addAction(comma)

        tab = QAction("tab", self.tool_window.ui_area, checkable=True)
        tab.setChecked(self.settings.delimiter == "tab")
        tab.triggered.connect(lambda *args, delim="tab": self.settings.
                              __setattr__("delimiter", delim))
        delimiter.addAction(tab)

        space = QAction("space", self.tool_window.ui_area, checkable=True)
        space.setChecked(self.settings.delimiter == "space")
        space.triggered.connect(lambda *args, delim="space": self.settings.
                                __setattr__("delimiter", delim))
        delimiter.addAction(space)

        semicolon = QAction("semicolon",
                            self.tool_window.ui_area,
                            checkable=True)
        semicolon.setChecked(self.settings.delimiter == "semicolon")
        semicolon.triggered.connect(lambda *args, delim="semicolon": self.
                                    settings.__setattr__("delimiter", delim))
        delimiter.addAction(semicolon)

        add_header = QAction("&Include CSV header",
                             self.tool_window.ui_area,
                             checkable=True)
        add_header.setChecked(self.settings.include_header)
        add_header.triggered.connect(self.header_check)
        export.addAction(add_header)

        comma.triggered.connect(
            lambda *args, action=tab: action.setChecked(False))
        comma.triggered.connect(
            lambda *args, action=space: action.setChecked(False))
        comma.triggered.connect(
            lambda *args, action=semicolon: action.setChecked(False))

        tab.triggered.connect(
            lambda *args, action=comma: action.setChecked(False))
        tab.triggered.connect(
            lambda *args, action=space: action.setChecked(False))
        tab.triggered.connect(
            lambda *args, action=semicolon: action.setChecked(False))

        space.triggered.connect(
            lambda *args, action=comma: action.setChecked(False))
        space.triggered.connect(
            lambda *args, action=tab: action.setChecked(False))
        space.triggered.connect(
            lambda *args, action=semicolon: action.setChecked(False))

        semicolon.triggered.connect(
            lambda *args, action=comma: action.setChecked(False))
        semicolon.triggered.connect(
            lambda *args, action=tab: action.setChecked(False))
        semicolon.triggered.connect(
            lambda *args, action=space: action.setChecked(False))

        menu.setNativeMenuBar(False)
        self._menu = menu
        layout.setMenuBar(menu)

        self.tool_window.ui_area.setLayout(layout)

        self.tool_window.manage(None)

    def set_ligand_atoms(self):
        self.ligand_atoms = selected_atoms(self.session)
        self.session.logger.status("set ligand to current selection")

    def calc_vbur(self):
        args = dict()

        cur_sel = selected_atoms(self.session)
        if len(cur_sel) == 0:
            return

        models = []
        for atom in cur_sel:
            if atom.structure not in models:
                models.append(atom.structure)

        center = []
        for atom in cur_sel:
            center.append(atom)

        args["center"] = center

        radii = self.radii_option.currentText()
        self.settings.radii = radii
        args["radii"] = radii

        scale = self.scale.value()
        self.settings.vdw_scale = scale
        args["scale"] = scale

        radius = self.radius.value()
        self.settings.center_radius = radius
        args["radius"] = radius

        steric_map = self.steric_map.checkState() == Qt.Checked
        self.settings.steric_map = steric_map
        args["steric_map"] = steric_map

        use_scene = self.use_scene.checkState() == Qt.Checked
        self.settings.use_scene = use_scene
        args["use_scene"] = use_scene

        num_pts = self.num_pts.value()
        self.settings.num_pts = num_pts
        args["num_pts"] = num_pts

        include_vbur = self.include_vbur.checkState() == Qt.Checked
        self.settings.include_vbur = include_vbur

        use_centroid = self.use_centroid.checkState() == Qt.Checked
        self.settings.use_centroid = use_centroid
        args["useCentroid"] = use_centroid

        shape = self.map_shape.currentText()
        self.settings.map_shape = shape
        args["shape"] = shape

        method = self.method.currentText()
        self.settings.method = method

        if method == "Lebedev":
            args["method"] = "lebedev"
            rad_pts = self.radial_points.currentText()
            self.settings.radial_points = rad_pts
            args["radialPoints"] = rad_pts

            ang_pts = self.angular_points.currentText()
            self.settings.angular_points = ang_pts
            args["angularPoints"] = ang_pts

        elif method == "Monte-Carlo":
            args["method"] = "mc"
            min_iter = self.min_iter.value()
            self.settings.minimum_iterations = min_iter
            args["minimumIterations"] = min_iter

        display_cutout = self.display_cutout.currentText()
        self.settings.display_cutout = display_cutout
        if display_cutout != "no":
            args["displaySphere"] = display_cutout

        if display_cutout is not None:
            point_spacing = self.point_spacing.value()
            self.settings.point_spacing = point_spacing
            args["pointSpacing"] = point_spacing

            intersection_scale = self.intersection_scale.value()
            self.settings.intersection_scale = intersection_scale
            args["intersectionScale"] = intersection_scale

        if len(self.ligand_atoms) > 0:
            args["onlyAtoms"] = [a for a in self.ligand_atoms if not a.deleted]
            if len(args["onlyAtoms"]) == 0:
                args["onlyAtoms"] = None

        auto_minmax = self.auto_minmax.checkState() == Qt.Checked
        self.settings.auto_minmax = auto_minmax
        if not auto_minmax:
            map_max = self.map_max.value()
            self.settings.map_max = map_max

            map_min = self.settings.map_min
            self.settings.map_min = map_min

        info = percent_vbur_cmd(self.session,
                                models,
                                return_values=True,
                                **args)

        self.table.setRowCount(0)

        if steric_map:
            for mdl, cent, vbur, map_info in info:
                row = self.table.rowCount()
                self.table.insertRow(row)

                m = QTableWidgetItem()
                m.setData(Qt.DisplayRole, mdl)
                self.table.setItem(row, 0, m)

                c = QTableWidgetItem()
                c.setData(Qt.DisplayRole, cent)
                self.table.setItem(row, 1, c)

                v = QTableWidgetItem()
                v.setData(Qt.DisplayRole, ",".join(["%.1f" % x for x in vbur]))
                v.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
                self.table.setItem(row, 2, v)

                x, y, z, min_alt, max_alt = map_info
                plot = self.tool_window.create_child_window(
                    "steric map of %s" % mdl, window_class=StericMap)
                if auto_minmax:
                    plot.set_data(x, y, z, min_alt, max_alt, vbur, radius,
                                  include_vbur)
                else:
                    plot.set_data(x, y, z, map_min, map_max, vbur, radius,
                                  include_vbur)

        else:
            for mdl, cent, vbur in info:
                row = self.table.rowCount()
                self.table.insertRow(row)

                m = QTableWidgetItem()
                m.setData(Qt.DisplayRole, mdl)
                self.table.setItem(row, 0, m)

                c = QTableWidgetItem()
                c.setData(Qt.DisplayRole, cent)
                self.table.setItem(row, 1, c)

                v = QTableWidgetItem()
                v.setData(Qt.DisplayRole, "%.1f" % vbur)
                v.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
                self.table.setItem(row, 2, v)

        self.table.resizeColumnToContents(0)
        self.table.resizeColumnToContents(1)

    def header_check(self, state):
        """user has [un]checked the 'include header' option on the menu"""
        if state:
            self.settings.include_header = True
        else:
            self.settings.include_header = False

    def get_csv(self):
        if self.settings.delimiter == "comma":
            delim = ","
        elif self.settings.delimiter == "space":
            delim = " "
        elif self.settings.delimiter == "tab":
            delim = "\t"
        elif self.settings.delimiter == "semicolon":
            delim = ";"

        if self.settings.include_header:
            s = delim.join(["model", "center", "%Vbur"])
            s += "\n"
        else:
            s = ""

        for i in range(0, self.table.rowCount()):
            s += delim.join([
                item.data(Qt.DisplayRole)
                for item in [self.table.item(i, j) for j in range(0, 3)]
            ])
            s += "\n"

        return s

    def copy_csv(self):
        app = QApplication.instance()
        clipboard = app.clipboard()
        csv = self.get_csv()
        clipboard.setText(csv)
        self.session.logger.status("copied to clipboard")

    def save_csv(self):
        """save data on current tab to CSV file"""
        filename, _ = QFileDialog.getSaveFileName(filter="CSV Files (*.csv)")
        if filename:
            s = self.get_csv()

            with open(filename, 'w') as f:
                f.write(s.strip())

            self.session.logger.status("saved to %s" % filename)

    def del_vbur(self):
        for model in self.session.models.list(type=Surface):
            if model.name.startswith("%Vbur") or model.name.startswith(
                    "%Vfree"):
                model.delete()

    def display_help(self):
        """Show the help for this tool in the help viewer."""
        from chimerax.core.commands import run
        run(self.session,
            'open %s' % self.help if self.help is not None else "")
Example #5
0
class EditStructure(ToolInstance):

    help = "https://github.com/QChASM/SEQCROW/wiki/Structure-Modification-Tool"
    SESSION_ENDURING = False
    SESSION_SAVE = False

    def __init__(self, session, name):       
        super().__init__(session, name)
        
        self.settings = _EditStructureSettings(session, "Structure Modification")
        
        self.tool_window = MainToolWindow(self)        

        self.close_previous_bool = self.settings.modify

        self._build_ui()

    def _build_ui(self):
        layout = QGridLayout()
        
        self.alchemy_tabs = QTabWidget()
        
        #substitute
        substitute_tab = QWidget()
        substitute_layout = QGridLayout(substitute_tab) 

        sublabel = QLabel("substituent name:")
        substitute_layout.addWidget(sublabel, 0, 0, Qt.AlignVCenter)
        
        self.subname = QLineEdit()
        # self.subname.setText("Et")
        sub_completer = NameCompleter(Substituent.list(), self.subname)
        self.subname.setCompleter(sub_completer)
        self.subname.setToolTip("name of substituent in the AaronTools library or your personal library\nseparate names with commas and uncheck 'modify selected structure' to create several structures")
        substitute_layout.addWidget(self.subname, 0, 1, Qt.AlignVCenter)
        
        open_sub_lib = QPushButton("from library...")
        open_sub_lib.clicked.connect(self.open_sub_selector)
        substitute_layout.addWidget(open_sub_lib, 0, 2, Qt.AlignTop)        
        
        substitute_layout.addWidget(QLabel("modify selected structure:"), 1, 0, 1, 1, Qt.AlignVCenter)
        
        self.close_previous_sub = QCheckBox()
        self.close_previous_sub.setToolTip("checked: selected structure will be modified\nunchecked: new model will be created for the modified structure")
        self.close_previous_sub.setChecked(self.settings.modify)
        self.close_previous_sub.stateChanged.connect(self.close_previous_change)
        substitute_layout.addWidget(self.close_previous_sub, 1, 1, 1, 2, Qt.AlignTop)    
        
        substitute_layout.addWidget(QLabel("relax substituent:"), 2, 0, 1, 1, Qt.AlignVCenter)
        
        self.minimize = QCheckBox()
        self.minimize.setToolTip("spin the added substituents to try to minimize the LJ potential energy")
        self.minimize.setChecked(self.settings.minimize)
        substitute_layout.addWidget(self.minimize, 2, 1, 1, 1, Qt.AlignTop)
        
        substitute_layout.addWidget(QLabel("guess previous substituent:"), 3, 0, 1, 1, Qt.AlignVCenter)
        
        self.guess_old = QCheckBox()
        self.guess_old.setToolTip("checked: leave the longest connected fragment in the residue\nunchecked: previous substituent must be selected")
        self.guess_old.setChecked(self.settings.guess)
        self.guess_old.stateChanged.connect(lambda state, settings=self.settings: settings.__setattr__("guess", True if state == Qt.Checked else False))
        substitute_layout.addWidget(self.guess_old, 3, 1, 1, 2, Qt.AlignTop)
        
        substitute_layout.addWidget(QLabel("new residue:"), 5, 0, 1, 1, Qt.AlignVCenter)

        self.new_residue = QCheckBox()
        self.new_residue.setToolTip("put the new substituent in its own residue instead\nof adding it to the residue of the old substituent")
        self.new_residue.setChecked(self.settings.new_residue)
        self.new_residue.stateChanged.connect(lambda state, settings=self.settings: settings.__setattr__("new_residue", True if state == Qt.Checked else False))
        substitute_layout.addWidget(self.new_residue, 5, 1, 1, 2, Qt.AlignTop)
        
        substitute_layout.addWidget(QLabel("use distance names:"), 4, 0, 1, 1, Qt.AlignVCenter)
        
        self.use_greek = QCheckBox()
        self.use_greek.setChecked(self.settings.use_greek)
        self.use_greek.setToolTip("indicate distance from point of attachment with atom name")
        substitute_layout.addWidget(self.use_greek, 4, 1, 1, 1, Qt.AlignTop)

        substitute_layout.addWidget(QLabel("change residue name:"), 6, 0, 1, 1, Qt.AlignVCenter)
        
        self.new_sub_name = QLineEdit()
        self.new_sub_name.setToolTip("change name of modified residues")
        self.new_sub_name.setPlaceholderText("leave blank to keep current")
        substitute_layout.addWidget(self.new_sub_name, 6, 1, 1, 2, Qt.AlignTop)

        substitute_button = QPushButton("substitute current selection")
        substitute_button.clicked.connect(self.do_substitute)
        substitute_layout.addWidget(substitute_button, 7, 0, 1, 3, Qt.AlignTop)
        self.substitute_button = substitute_button
        
        substitute_layout.setRowStretch(0, 0)
        substitute_layout.setRowStretch(1, 0)
        substitute_layout.setRowStretch(2, 0)
        substitute_layout.setRowStretch(3, 0)
        substitute_layout.setRowStretch(4, 0)
        substitute_layout.setRowStretch(5, 0)
        substitute_layout.setRowStretch(6, 0)
        substitute_layout.setRowStretch(7, 1)
        
        
        #map ligand
        maplig_tab = QWidget()
        maplig_layout = QGridLayout(maplig_tab)
        
        liglabel = QLabel("ligand name:")
        maplig_layout.addWidget(liglabel, 0, 0, Qt.AlignVCenter)
        
        self.ligname = QLineEdit()
        lig_completer = NameCompleter(Component.list(), self.ligname)
        self.ligname.setCompleter(lig_completer)
        self.ligname.setToolTip("name of ligand in the AaronTools library or your personal library\nseparate names with commas and uncheck 'modify selected structure' to create several structures")
        maplig_layout.addWidget(self.ligname, 0, 1, Qt.AlignVCenter)
        
        open_lig_lib = QPushButton("from library...")
        open_lig_lib.clicked.connect(self.open_lig_selector)
        maplig_layout.addWidget(open_lig_lib, 0, 2, Qt.AlignTop)        
        
        maplig_layout.addWidget(QLabel("modify selected structure:"), 1, 0, 1, 1, Qt.AlignVCenter)
        
        self.close_previous_lig = QCheckBox()
        self.close_previous_lig.setToolTip("checked: selected structure will be modified\nunchecked: new model will be created for the modified structure")
        self.close_previous_lig.setChecked(self.settings.modify)
        self.close_previous_lig.stateChanged.connect(self.close_previous_change)
        maplig_layout.addWidget(self.close_previous_lig, 1, 1, 1, 2, Qt.AlignTop)

        maplig_button = QPushButton("swap ligand with selected coordinating atoms")
        maplig_button.clicked.connect(self.do_maplig)
        maplig_layout.addWidget(maplig_button, 2, 0, 1, 3, Qt.AlignTop)
        self.maplig_button = maplig_button

        start_structure_button = QPushButton("place in:")
        self.lig_model_selector = ModelComboBox(self.session, addNew=True)
        start_structure_button.clicked.connect(self.do_new_lig)
        maplig_layout.addWidget(start_structure_button, 3, 0, 1, 1, Qt.AlignTop)
        maplig_layout.addWidget(self.lig_model_selector, 3, 1, 1, 2, Qt.AlignTop)

        maplig_layout.setRowStretch(0, 0)
        maplig_layout.setRowStretch(1, 0)
        maplig_layout.setRowStretch(2, 0)
        maplig_layout.setRowStretch(3, 1)
        
        
        #close ring
        closering_tab = QWidget()
        closering_layout = QGridLayout(closering_tab)
        
        ringlabel = QLabel("ring name:")
        closering_layout.addWidget(ringlabel, 0, 0, Qt.AlignVCenter)
        
        self.ringname = QLineEdit()
        ring_completer = NameCompleter(Ring.list(), self.ringname)
        self.ringname.setCompleter(ring_completer)
        self.ringname.setToolTip("name of ring in the AaronTools library or your personal library\nseparate names with commas and uncheck 'modify selected structure' to create several structures")
        closering_layout.addWidget(self.ringname, 0, 1, Qt.AlignVCenter)
        
        open_ring_lib = QPushButton("from library...")
        open_ring_lib.clicked.connect(self.open_ring_selector)
        closering_layout.addWidget(open_ring_lib, 0, 2, Qt.AlignTop)        
        
        closering_layout.addWidget(QLabel("modify selected structure:"), 1, 0, 1, 1, Qt.AlignVCenter) 
        
        self.close_previous_ring = QCheckBox()
        self.close_previous_ring.setToolTip("checked: selected structure will be modified\nunchecked: new model will be created for the modified structure")
        self.close_previous_ring.setChecked(self.settings.modify)
        self.close_previous_ring.stateChanged.connect(self.close_previous_change)
        closering_layout.addWidget(self.close_previous_ring, 1, 1, 1, 2, Qt.AlignTop)

        closering_layout.addWidget(QLabel("try multiple:"), 2, 0, 1, 1, Qt.AlignVCenter)

        self.minimize_ring = QCheckBox()
        self.minimize_ring.setToolTip("try to use other versions of this ring in the library to find the one that fits best")
        self.minimize_ring.setChecked(self.settings.minimize_ring)
        closering_layout.addWidget(self.minimize_ring, 2, 1, 1, 2, Qt.AlignTop)

        closering_layout.addWidget(QLabel("new residue name:"), 3, 0, 1, 1, Qt.AlignVCenter)
        
        self.new_ring_name = QLineEdit()
        self.new_ring_name.setToolTip("change name of modified residues")
        self.new_ring_name.setPlaceholderText("leave blank to keep current")
        closering_layout.addWidget(self.new_ring_name, 3, 1, 1, 2, Qt.AlignTop)

        closering_button = QPushButton("put a ring on current selection")
        closering_button.clicked.connect(self.do_fusering)

        closering_layout.addWidget(closering_button, 4, 0, 1, 3, Qt.AlignTop)
        self.closering_button = closering_button

        start_structure_button = QPushButton("place in:")
        self.ring_model_selector = ModelComboBox(self.session, addNew=True)
        start_structure_button.clicked.connect(self.do_new_ring)
        closering_layout.addWidget(start_structure_button, 5, 0, 1, 1, Qt.AlignTop)
        closering_layout.addWidget(self.ring_model_selector, 5, 1, 1, 2, Qt.AlignTop)

        closering_layout.setRowStretch(0, 0)
        closering_layout.setRowStretch(1, 0)
        closering_layout.setRowStretch(2, 0)
        closering_layout.setRowStretch(3, 0)
        closering_layout.setRowStretch(4, 0)
        closering_layout.setRowStretch(5, 1)


        #change element
        changeelement_tab = QWidget()
        changeelement_layout = QFormLayout(changeelement_tab)
        
        self.element = ElementButton("C", single_state=True)
        self.element.clicked.connect(self.open_ptable)
        changeelement_layout.addRow("element:", self.element)
        
        self.vsepr = QComboBox()
        self.vsepr.addItems([
            "do not change",                  # 0
            
            "linear (1 bond)",                # 1
            
            "linear (2 bonds)",               # 2 
            "trigonal planar (2 bonds)",      # 3
            "tetrahedral (2 bonds)",          # 4 
            
            "trigonal planar",                # 5
            "tetrahedral (3 bonds)",          # 6
            "T-shaped",                       # 7
            
            "trigonal pyramidal",             # 8
            "tetrahedral",                    # 9
            "sawhorse",                       #10
            "seesaw",                         #11
            "square planar",                  #12
            
            "trigonal bipyramidal",           #13
            "square pyramidal",               #14
            "pentagonal",                     #15
            
            "octahedral",                     #16
            "hexagonal",                      #17
            "trigonal prismatic",             #18
            "pentagonal pyramidal",           #19
            
            "capped octahedral",              #20
            "capped trigonal prismatic",      #21
            "heptagonal",                     #22
            "hexagonal pyramidal",            #23
            "pentagonal bipyramidal",         #24
            
            "biaugmented trigonal prismatic", #25
            "cubic",                          #26
            "elongated trigonal bipyramidal", #27
            "hexagonal bipyramidal",          #28
            "heptagonal pyramidal",           #29
            "octagonal",                      #30
            "square antiprismatic",           #31
            "trigonal dodecahedral",          #32
            
            "capped cube",                    #33
            "capped square antiprismatic",    #34
            "enneagonal",                     #35
            "heptagonal bipyramidal",         #36
            "hula-hoop",                      #37
            "triangular cupola",              #38
            "tridiminished icosahedral",      #39
            "muffin",                         #40
            "octagonal pyramidal",            #41
            "tricapped trigonal prismatic",   #42
        ])
        
        self.vsepr.setCurrentIndex(9)
        
        self.vsepr.insertSeparator(33)
        self.vsepr.insertSeparator(25)
        self.vsepr.insertSeparator(20)
        self.vsepr.insertSeparator(16)
        self.vsepr.insertSeparator(13)
        self.vsepr.insertSeparator(8)
        self.vsepr.insertSeparator(5)
        self.vsepr.insertSeparator(2)
        self.vsepr.insertSeparator(1)
        self.vsepr.insertSeparator(0)
        changeelement_layout.addRow("geometry:", self.vsepr)
        
        self.change_bonds = QCheckBox()
        self.change_bonds.setChecked(self.settings.change_bonds)
        changeelement_layout.addRow("adjust bond lengths:", self.change_bonds)
        
        change_element_button = QPushButton("change selected elements")
        change_element_button.clicked.connect(self.do_change_element)
        changeelement_layout.addRow(change_element_button)
        self.change_element_button = change_element_button

        start_structure_button = QPushButton("place in:")
        self.model_selector = ModelComboBox(self.session, addNew=True)
        start_structure_button.clicked.connect(self.do_new_atom)
        changeelement_layout.addRow(start_structure_button, self.model_selector)
        
        delete_atoms_button = QPushButton("delete selected atoms")
        delete_atoms_button.clicked.connect(self.delete_atoms)
        changeelement_layout.addRow(delete_atoms_button)

        self.alchemy_tabs.addTab(substitute_tab, "substitute")
        self.alchemy_tabs.addTab(maplig_tab, "swap ligand")
        self.alchemy_tabs.addTab(closering_tab, "fuse ring")
        self.alchemy_tabs.addTab(changeelement_tab, "change element")

        layout.addWidget(self.alchemy_tabs)

        self.tool_window.ui_area.setLayout(layout)

        self.tool_window.manage(None)
    
    def close_previous_change(self, state):
        if state == Qt.Checked:
            self.settings.modify = True
            for checkbox in [self.close_previous_lig, self.close_previous_sub, self.close_previous_ring]:
                checkbox.setChecked(True)
            self.close_previous_bool = True
        else:
            self.settings.modify = False
            for checkbox in [self.close_previous_lig, self.close_previous_sub, self.close_previous_ring]:
                checkbox.setChecked(False)
            self.close_previous_bool = False
    
    def do_substitute(self):
        subnames = self.subname.text()
        
        new_name = self.new_sub_name.text()

        use_attached = not self.guess_old.isChecked()
        
        minimize = self.minimize.isChecked()
        
        new_residue = self.new_residue.isChecked()

        use_greek = self.use_greek.isChecked()
        
        self.settings.minimize = minimize
        self.settings.use_greek = use_greek

        if len(new_name.strip()) > 0:
            run(
                self.session, 
                "substitute sel substituents %s newName %s guessAttachment %s modify %s minimize %s useRemoteness %s newResidue %s" %
                (
                    subnames,
                    new_name,
                    not use_attached,
                    self.close_previous_bool,
                    minimize,
                    use_greek,
                    new_residue,
                )
            )

        else:
            run(
                self.session,
                "substitute sel substituents %s guessAttachment %s modify %s minimize %s useRemoteness %s newResidue %s" %
                (
                    subnames,
                    not use_attached,
                    self.close_previous_bool,
                    minimize,
                    use_greek,
                    new_residue,
                )
            )

    def open_sub_selector(self):
        self.tool_window.create_child_window("select substituents", window_class=SubstituentSelection, textBox=self.subname)

    def do_maplig(self):
        lignames = self.ligname.text()
        selection = selected_atoms(self.session)
        
        if len(selection) < 1:
            raise RuntimeWarning("nothing selected")
        
        models = {}
        for atom in selection:
            if atom.structure not in models:
                models[atom.structure] = [AtomSpec(atom.atomspec)]
            else:
                models[atom.structure].append(AtomSpec(atom.atomspec))        
        
        first_pass = True
        new_structures = []
        for ligname in lignames.split(','):
            ligname = ligname.strip()
            lig = Component(ligname)
            for model in models:
                if self.close_previous_bool and first_pass:
                    rescol = ResidueCollection(model)
                elif self.close_previous_bool and not first_pass:
                    raise RuntimeError("only the first model can be replaced")
                else:
                    model_copy = model.copy()
                    rescol = ResidueCollection(model_copy)
                    for i, atom in enumerate(model.atoms):
                        rescol.atoms[i].atomspec = atom.atomspec
                        rescol.atoms[i].add_tag(atom.atomspec)
                        rescol.atoms[i].chix_atom = atom

                target = rescol.find(models[model])
                if len(target) % len(lig.key_atoms) == 0:
                    k = 0
                    ligands = []
                    while k != len(target):
                        res_lig = ResidueCollection(lig.copy(), comment=lig.comment)
                        res_lig.parse_comment()
                        res_lig = Component(res_lig, key_atoms = ",".join([str(k + 1) for k in res_lig.other["key_atoms"]]))
                        ligands.append(res_lig)
                        k += len(lig.key_atoms)
                else:
                    raise RuntimeError("number of key atoms no not match: %i now, new ligand has %i" % (len(target), len(lig.key_atoms)))
                
                rescol.map_ligand(ligands, target)

                for center_atom in rescol.center:
                    center_atom.connected = set([])
                    for atom in rescol.atoms:
                        if atom not in rescol.center:
                            if center_atom.is_connected(atom):
                                atom.connected.add(center_atom)
                                center_atom.connected.add(atom)
                
                if self.close_previous_bool:    
                    rescol.update_chix(model)
                else:
                    struc = rescol.get_chimera(self.session)
                    new_structures.append(struc)
            
            first_pass = False
        
        if not self.close_previous_bool:
            self.session.models.add(new_structures)

    def open_lig_selector(self):
        self.tool_window.create_child_window("select ligands", window_class=LigandSelection, textBox=self.ligname)
    
    def do_fusering(self):
        ring_names = self.ringname.text()
        
        new_name = self.new_ring_name.text()

        minimize_ring = self.minimize_ring.isChecked()
        self.settings.minimize_ring = minimize_ring

        if len(new_name.strip()) > 0:
            run(
                self.session,
                "fuseRing sel rings %s newName %s modify %s minimize %s" % (
                    ring_names,
                    new_name,
                    self.close_previous_bool,
                    minimize_ring,
                )
            )

        else:
            run(
                self.session,
                "fuseRing sel rings %s modify %s minimize %s" % (
                    ring_names,
                    self.close_previous_bool,
                    minimize_ring,
                )
            )

    def open_ring_selector(self):
        self.tool_window.create_child_window("select rings", window_class=RingSelection, textBox=self.ringname)

    def open_ptable(self):
        self.tool_window.create_child_window("select element", window_class=_PTable, button=self.element)
    
    def display_help(self):
        """Show the help for this tool in the help viewer."""
        from chimerax.core.commands import run
        run(self.session,
            'open %s' % self.help if self.help is not None else "")
    
    def do_change_element(self):
        element = self.element.text()
        adjust_bonds = self.change_bonds.isChecked()
        self.settings.change_bonds = adjust_bonds
        vsepr = self.vsepr.currentText()
        
        if vsepr == "do not change":
            vsepr = False
        elif vsepr == "linear (1 bond)":
            vsepr = "linear 1"
            goal = 1
        elif vsepr == "linear (2 bonds)":
            vsepr = "linear 2"
            goal = 2
        elif vsepr == "trigonal planar (2 bonds)":
            vsepr = "bent 2 planar"
            goal = 2
        elif vsepr == "tetrahedral (2 bonds)":
            vsepr = "bent 2 tetrahedral"
            goal = 2
        elif vsepr == "trigonal planar":
            goal = 3
        elif vsepr == "tetrahedral (3 bonds)":
            vsepr = "bent 3 tetrahedral"
            goal = 3
        else:
            goal = len(Atom.get_shape(vsepr)) - 1
        
        sel = selected_atoms(self.session)
        models, _ = guessAttachmentTargets(sel, self.session, allow_adjacent=False)
        for model in models:
            conv_res = list(models[model].keys())
            for res in models[model]:
                for target in models[model][res]:
                    for neighbor in target.neighbors:
                        if neighbor.residue not in conv_res:
                            conv_res.append(neighbor.residue)
            
                    for pbg in self.session.models.list(type=PseudobondGroup):
                        for pbond in pbg.pseudobonds:
                            if target in pbond.atoms and all(atom.structure is model for atom in pbond.atoms):
                                other_atom = pbond.other_atom(target)
                                if other_atom.residue not in conv_res:
                                    conv_res.append(other_atom.residue)
            
            rescol = ResidueCollection(model, convert_residues=conv_res)
            for res in models[model]:
                residue = [resi for resi in rescol.residues if resi.chix_residue is res][0]
                
                for target in models[model][res]:
                    targ = rescol.find_exact(AtomSpec(target.atomspec))[0]
                    adjust_hydrogens = vsepr
                    if vsepr is not False:
                        cur_bonds = len(targ.connected)
                        change_Hs = goal - cur_bonds
                        adjust_hydrogens = (change_Hs, vsepr)

                    residue.change_element(targ, 
                                           element, 
                                           adjust_bonds=adjust_bonds, 
                                           adjust_hydrogens=adjust_hydrogens,
                    )
                
                residue.update_chix(res)    
    
    def do_new_ring(self):
        rings = self.ringname.text()
        
        for ring in rings.split(","):
            ring = ring.strip()
            
            rescol = ResidueCollection(Ring(ring))
        
            model = self.ring_model_selector.currentData()
            if model is None:
                chix = rescol.get_chimera(self.session)
                self.session.models.add([chix])
                apply_seqcrow_preset(chix, fallback="Ball-Stick-Endcap")
                self.ring_model_selector.setCurrentIndex(self.ring_model_selector.count()-1)
    
            else:
                res = model.new_residue("new", "a", len(model.residues)+1)
                rescol.residues[0].update_chix(res)
                run(self.session, "select add %s" % " ".join([atom.atomspec for atom in res.atoms]))
    
    def do_new_lig(self):
        ligands = self.ligname.text()
        
        for lig in ligands.split(","):
            lig = lig.strip()
            
            rescol = ResidueCollection(Component(lig))
        
            model = self.lig_model_selector.currentData()
            if model is None:
                chix = rescol.get_chimera(self.session)
                self.session.models.add([chix])
                apply_seqcrow_preset(chix, fallback="Ball-Stick-Endcap")
                self.lig_model_selector.setCurrentIndex(self.lig_model_selector.count()-1)
    
            else:
                res = model.new_residue("new", "a", len(model.residues)+1)
                rescol.residues[0].update_chix(res)
                run(self.session, "select add %s" % " ".join([atom.atomspec for atom in res.atoms]))

    def do_new_atom(self):
        element = self.element.text()
        adjust_bonds = self.change_bonds.isChecked()
        self.settings.change_bonds = adjust_bonds
        vsepr = self.vsepr.currentText()
        
        if vsepr == "do not change":
            vsepr = False
        elif vsepr == "linear (1 bond)":
            vsepr = "linear 1"
        elif vsepr == "linear (2 bonds)":
            vsepr = "linear 2"
        elif vsepr == "trigonal planar (2 bonds)":
            vsepr = "bent 2 planar"
        elif vsepr == "tetrahedral (2 bonds)":
            vsepr = "bent 2 tetrahedral"
        elif vsepr == "tetrahedral (3 bonds)":
            vsepr = "bent 3 tetrahedral"
        
        if vsepr:
            atoms = Atom.get_shape(vsepr)
            atoms[0].element = element
            for atom in atoms[1:]:
                atom.element = "H"
            if adjust_bonds:
                # this works b/c all atoms are 1 angstrom from the center
                # just multiply by the distance we want
                expected_dist = RADII[element] + RADII["H"]
                for atom in atoms[1:]:
                    atom.coords *= expected_dist
            for atom in atoms[1:]:
                atoms[0].connected.add(atom)
                atom.connected.add(atoms[0])
        else:
            atoms = [Atom(element=element, coords=np.zeros(3))]

        rescol = ResidueCollection(atoms, name="new", refresh_connected=False)

        model = self.model_selector.currentData()
        if model is None:
            chix = rescol.get_chimera(self.session)
            self.session.models.add([chix])
            apply_seqcrow_preset(chix, fallback="Ball-Stick-Endcap")
            self.model_selector.setCurrentIndex(self.model_selector.count()-1)

        else:
            res = model.new_residue("new", "a", len(model.residues)+1)
            rescol.residues[0].update_chix(res)
            run(self.session, "select add %s" % " ".join([atom.atomspec for atom in res.atoms]))
    
    def delete_atoms(self, *args):
        atoms = selected_atoms(self.session)
        for atom in atoms:
            atom.delete()
    
    def delete(self):
        self.ring_model_selector.deleteLater()
        self.lig_model_selector.deleteLater()
        self.model_selector.deleteLater()

        return super().delete()    
    
    def close(self):
        self.ring_model_selector.deleteLater()
        self.lig_model_selector.deleteLater()
        self.model_selector.deleteLater()

        return super().close()