def main():
    """Main function to run the example."""
    app = QApplication([])

    default_value_parameter = DefaultValueParameter()
    default_value_parameter.name = 'Value parameter'
    default_value_parameter.help_text = 'Help text'
    default_value_parameter.description = 'Description'
    default_value_parameter.labels = [
        'Setting', 'Do not report', 'Custom']
    default_value_parameter.options = [0, 1, None]

    parameters = [
        default_value_parameter
    ]

    extra_parameters = [
        (DefaultValueParameter, DefaultValueParameterWidget)
    ]

    parameter_container = ParameterContainer(
        parameters, extra_parameters=extra_parameters)
    parameter_container.setup_ui()

    widget = QWidget()
    layout = QGridLayout()
    layout.addWidget(parameter_container)

    widget.setLayout(layout)
    widget.setGeometry(0, 0, 500, 500)

    widget.show()

    sys.exit(app.exec_())

 def getLayout(parent, widgets):
   lyt = QGridLayout( parent )
   for item in widgets:
     if 'spam' in item:
       sRow, sCol = item['spam']['row'], item['spam']['col']
       lyt.addWidget( item['widget'], item['row'], item['col'], sRow, sCol, Qt.AlignLeft )
     else:
       lyt.addWidget( item['widget'], item['row'], item['col'], Qt.AlignLeft )
   return lyt

    def __init__(self, options, multiple, columns=2, parent=None):
        super(CheckboxesPanel, self).__init__(parent)

        self._options = []
        for i, option in enumerate(options):
            if isinstance(option, str):
                self._options.append((i, option))
            else:
                self.options.append(option)
        self._multiple = multiple
        self._buttons = []
        rows = len(options) / columns

        self._buttonGroup = QButtonGroup()
        self._buttonGroup.setExclusive(not multiple)
        layout = QGridLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setMargin(0)
        for i, (v, t) in enumerate(self._options):
            if multiple:
                button = QCheckBox(t)
            else:
                button = QRadioButton(t)
            self._buttons.append((v, button))
            self._buttonGroup.addButton(button, i)
            layout.addWidget(button, i % rows, i / rows)
        layout.addItem(QSpacerItem(0, 0, QSizePolicy.Expanding, QSizePolicy.Minimum),
                       0, columns)
        self.setLayout(layout)

        if multiple:
            self.setContextMenuPolicy(Qt.CustomContextMenu)
            self.customContextMenuRequested.connect(self.showPopupMenu)

    def testPositionConstrainedToParent(self):
        """ test that floating widget will be placed inside parent when possible """
        main_frame = QWidget()
        gl = QGridLayout()
        main_frame.setLayout(gl)
        main_frame.setMinimumSize(800, 600)

        anchor_widget = QWidget(main_frame)
        anchor_widget.setFixedSize(300, 200)
        main_frame.layout().addWidget(anchor_widget, 1, 1)
        gl.setColumnStretch(0, 1)
        gl.setColumnStretch(1, 0)
        gl.setColumnStretch(2, 1)
        gl.setRowStretch(0, 1)
        gl.setRowStretch(1, 0)
        gl.setRowStretch(2, 1)

        main_frame.setAttribute(103)
        main_frame.show()

        fw = qgis.gui.QgsFloatingWidget(main_frame)
        fw.setMinimumSize(300, 50)
        fw.setAnchorWidget(anchor_widget)

        fw.setAnchorPoint(QgsFloatingWidget.TopRight)
        fw.setAnchorWidgetPoint(QgsFloatingWidget.TopLeft)

        # x-position should be 0, not -50
        self.assertEqual(fw.pos().x(), 0)

        fw.setAnchorPoint(QgsFloatingWidget.TopLeft)
        fw.setAnchorWidgetPoint(QgsFloatingWidget.TopRight)

        # x-position should be 500, not 600
        self.assertEqual(fw.pos().x(), 500)

    def __init__(self):
        QDialog.__init__(self)

        self.setWindowTitle(tr('XY Point drawing tool'))

        self.X = QLineEdit()
        self.Y = QLineEdit()

        X_val = QDoubleValidator()
        Y_val = QDoubleValidator()

        self.X.setValidator(X_val)
        self.Y.setValidator(Y_val)

        self.crsButton = QPushButton("Projection")
        self.crsButton.clicked.connect(self.changeCRS)
        self.crsLabel = QLabel("")

        buttons = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Cancel, Qt.Horizontal, self)
        buttons.accepted.connect(self.accept)
        buttons.rejected.connect(self.reject)

        grid = QGridLayout()
        grid.addWidget(QLabel("X"), 0, 0)
        grid.addWidget(QLabel("Y"), 0, 1)
        grid.addWidget(self.X, 1, 0)
        grid.addWidget(self.Y, 1, 1)
        grid.addWidget(self.crsButton, 2, 0)
        grid.addWidget(self.crsLabel, 2, 1)
        grid.addWidget(buttons, 3, 0, 1, 2)

        self.setLayout(grid)

    def setupUi(self, PostNAS_SearchDialogBase):
        PostNAS_SearchDialogBase.setObjectName(_fromUtf8("PostNAS_SearchDialogBase"))
        PostNAS_SearchDialogBase.resize(501, 337)
        self.gridLayout = QGridLayout(PostNAS_SearchDialogBase)
        self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
        self.treeWidget = QTreeWidget(PostNAS_SearchDialogBase)
        self.treeWidget.setSelectionMode(QAbstractItemView.ExtendedSelection)
        self.treeWidget.setHeaderHidden(True)
        self.treeWidget.setObjectName(_fromUtf8("treeWidget"))
        self.treeWidget.headerItem().setText(0, _fromUtf8("1"))
        self.gridLayout.addWidget(self.treeWidget, 1, 0, 1, 3)
        self.lineEdit = QLineEdit(PostNAS_SearchDialogBase)
        self.lineEdit.setObjectName(_fromUtf8("lineEdit"))
        self.gridLayout.addWidget(self.lineEdit, 0, 0, 1, 3)
        self.showButton = QToolButton(PostNAS_SearchDialogBase)
        self.showButton.setEnabled(False)
        icon = QtGui.QIcon()
        icon.addPixmap(QPixmap(_fromUtf8(":/plugins/PostNAS_Search/search_16x16.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off)
        self.showButton.setIcon(icon)
        self.showButton.setObjectName(_fromUtf8("showButton"))
        self.gridLayout.addWidget(self.showButton, 2, 2, 1, 1)
        self.resetButton = QToolButton(PostNAS_SearchDialogBase)
        self.resetButton.setEnabled(False)
        icon1 = QIcon()
        icon1.addPixmap(QtGui.QPixmap(_fromUtf8(":/plugins/PostNAS_Search/marker-delete.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off)
        self.resetButton.setIcon(icon1)
        self.resetButton.setObjectName(_fromUtf8("resetButton"))
        self.gridLayout.addWidget(self.resetButton, 2, 1, 1, 1)

        self.retranslateUi(PostNAS_SearchDialogBase)
        QtCore.QMetaObject.connectSlotsByName(PostNAS_SearchDialogBase)

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

        self.settings = QgsSettings()

        # Creates layout for message bar
        self.layout = QGridLayout(self)
        self.layout.setContentsMargins(0, 0, 0, 0)
        spacerItem = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.layout.addItem(spacerItem, 1, 0, 1, 1)
        # messageBar instance
        self.infoBar = QgsMessageBar()
        sizePolicy = QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.infoBar.setSizePolicy(sizePolicy)
        self.layout.addWidget(self.infoBar, 0, 0, 1, 1)

        # Enable non-ascii chars for editor
        self.setUtf8(True)

        sys.stdout = writeOut(self, sys.stdout)
        sys.stderr = writeOut(self, sys.stderr, "_traceback")

        self.insertInitText()
        self.refreshSettingsOutput()
        self.setReadOnly(True)

        # Set the default font
        font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
        self.setFont(font)
        self.setMarginsFont(font)
        # Margin 0 is used for line numbers
        self.setMarginWidth(0, 0)
        self.setMarginWidth(1, 0)
        self.setMarginWidth(2, 0)
        #fm = QFontMetrics(font)
        self.setMarginsFont(font)
        self.setMarginWidth(1, "00000")
        self.setMarginLineNumbers(1, True)
        self.setMarginsForegroundColor(QColor("#3E3EE3"))
        self.setMarginsBackgroundColor(QColor("#f9f9f9"))
        self.setCaretLineVisible(True)
        self.setCaretWidth(0)

        self.setMinimumHeight(120)

        self.setWrapMode(QsciScintilla.WrapCharacter)
        self.SendScintilla(QsciScintilla.SCI_SETHSCROLLBAR, 0)

        self.runScut = QShortcut(QKeySequence(Qt.CTRL + Qt.Key_E), self)
        self.runScut.setContext(Qt.WidgetShortcut)
        self.runScut.activated.connect(self.enteredSelected)
        # Reimplemented copy action to prevent paste prompt (>>>,...) in command view
        self.copyShortcut = QShortcut(QKeySequence.Copy, self)
        self.copyShortcut.activated.connect(self.copy)
        self.selectAllShortcut = QShortcut(QKeySequence.SelectAll, self)
        self.selectAllShortcut.activated.connect(self.selectAll)

    def testAnchor(self):
        """ test setting anchor point for widget """
        main_frame = QWidget()
        gl = QGridLayout()
        main_frame.setLayout(gl)
        main_frame.setMinimumSize(800, 600)

        anchor_widget = QWidget(main_frame)
        anchor_widget.setMinimumSize(300, 200)
        main_frame.layout().addWidget(anchor_widget, 1, 1)
        gl.setColumnStretch(0, 1)
        gl.setColumnStretch(1, 0)
        gl.setColumnStretch(2, 1)
        gl.setRowStretch(0, 1)
        gl.setRowStretch(1, 0)
        gl.setRowStretch(2, 1)

        # 103 = WA_DontShowOnScreen (not available in PyQt)
        main_frame.setAttribute(103)
        main_frame.show()

        fw = qgis.gui.QgsFloatingWidget(main_frame)
        fw.setMinimumSize(100, 50)
        fw.setAnchorWidget(anchor_widget)

        tests = [{'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 250, 'y': 200},
                 {'anchorPoint': QgsFloatingWidget.TopMiddle, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 200, 'y': 200},
                 {'anchorPoint': QgsFloatingWidget.TopRight, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 150, 'y': 200},
                 {'anchorPoint': QgsFloatingWidget.MiddleLeft, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 250, 'y': 175},
                 {'anchorPoint': QgsFloatingWidget.Middle, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 200, 'y': 175},
                 {'anchorPoint': QgsFloatingWidget.MiddleRight, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 150, 'y': 175},
                 {'anchorPoint': QgsFloatingWidget.BottomLeft, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 250, 'y': 150},
                 {'anchorPoint': QgsFloatingWidget.BottomMiddle, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 200, 'y': 150},
                 {'anchorPoint': QgsFloatingWidget.BottomRight, 'widgetAnchorPoint': QgsFloatingWidget.TopLeft, 'x': 150, 'y': 150},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.TopMiddle, 'x': 400, 'y': 200},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.TopRight, 'x': 550, 'y': 200},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.MiddleLeft, 'x': 250, 'y': 300},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.Middle, 'x': 400, 'y': 300},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.MiddleRight, 'x': 550, 'y': 300},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.BottomLeft, 'x': 250, 'y': 400},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.BottomMiddle, 'x': 400, 'y': 400},
                 {'anchorPoint': QgsFloatingWidget.TopLeft, 'widgetAnchorPoint': QgsFloatingWidget.BottomRight, 'x': 550, 'y': 400}]

        for t in tests:
            fw.setAnchorPoint(t['anchorPoint'])
            fw.setAnchorWidgetPoint(t['widgetAnchorPoint'])
            self.assertEqual(fw.pos().x(), t['x'])
            self.assertEqual(fw.pos().y(), t['y'])

def main():
    """Main function to run the example."""
    layer = load_test_vector_layer(
        'aggregation', 'district_osm_jakarta.geojson', clone=True)

    app = QApplication([])

    field_mapping = FieldMappingTab(age_ratio_group, PARENT, IFACE)
    field_mapping.set_layer(layer)

    widget = QWidget()
    layout = QGridLayout()
    layout.addWidget(field_mapping)

    widget.setLayout(layout)

    widget.show()

    sys.exit(app.exec_())

    def testMovingResizingAnchorWidget(self):
        """ test that moving or resizing the anchor widget updates the floating widget position """
        main_frame = QWidget()
        gl = QGridLayout()
        main_frame.setLayout(gl)
        main_frame.setMinimumSize(800, 600)

        anchor_widget = QWidget(main_frame)
        anchor_widget.setFixedSize(300, 200)
        main_frame.layout().addWidget(anchor_widget, 1, 1)
        gl.setColumnStretch(0, 1)
        gl.setColumnStretch(1, 0)
        gl.setColumnStretch(2, 1)
        gl.setRowStretch(0, 1)
        gl.setRowStretch(1, 0)
        gl.setRowStretch(2, 1)

        # 103 = WA_DontShowOnScreen (not available in PyQt)
        main_frame.setAttribute(103)
        main_frame.show()

        fw = qgis.gui.QgsFloatingWidget(main_frame)
        fw.setMinimumSize(100, 50)
        fw.setAnchorWidget(anchor_widget)

        fw.setAnchorPoint(QgsFloatingWidget.TopLeft)
        fw.setAnchorWidgetPoint(QgsFloatingWidget.TopLeft)

        self.assertEqual(fw.pos().x(), 250)
        self.assertEqual(fw.pos().y(), 200)

        # now resize anchor widget
        anchor_widget.setFixedSize(400, 300)
        # force layout recalculation
        main_frame.layout().invalidate()
        main_frame.layout().activate()
        self.assertEqual(fw.pos().x(), 200)
        self.assertEqual(fw.pos().y(), 150)

        # now move anchor widget
        anchor_widget.move(100, 110)
        self.assertEqual(fw.pos().x(), 100)
        self.assertEqual(fw.pos().y(), 110)

    def testResizingParentWidget(self):
        """ test resizing parent widget correctly repositions floating widget"""
        main_frame = QWidget()
        gl = QGridLayout()
        main_frame.setLayout(gl)
        main_frame.setMinimumSize(800, 600)

        anchor_widget = QWidget(main_frame)
        anchor_widget.setFixedSize(300, 200)
        main_frame.layout().addWidget(anchor_widget, 1, 1)
        gl.setColumnStretch(0, 1)
        gl.setColumnStretch(1, 0)
        gl.setColumnStretch(2, 1)
        gl.setRowStretch(0, 1)
        gl.setRowStretch(1, 0)
        gl.setRowStretch(2, 1)

        # 103 = WA_DontShowOnScreen (not available in PyQt)
        main_frame.setAttribute(103)
        main_frame.show()

        fw = qgis.gui.QgsFloatingWidget(main_frame)
        fw.setMinimumSize(100, 50)
        fw.setAnchorWidget(anchor_widget)

        fw.setAnchorPoint(QgsFloatingWidget.TopLeft)
        fw.setAnchorWidgetPoint(QgsFloatingWidget.TopLeft)

        self.assertEqual(fw.pos().x(), 250)
        self.assertEqual(fw.pos().y(), 200)

        # now resize parent widget
        main_frame.setFixedSize(1000, 800)
        # force layout recalculation
        main_frame.layout().invalidate()
        main_frame.layout().activate()
        self.assertEqual(fw.pos().x(), 350)
        self.assertEqual(fw.pos().y(), 300)

def main():
    """Main function to run the example."""
    def print_values(the_profile_widget):
        data = the_profile_widget.data
        from pprint import pprint
        pprint(data)

    def clear_widget(the_profile_widget):
        the_profile_widget.clear()

    def restore_data(the_profile_widget):
        the_profile_widget.clear()
        the_profile_widget.data = generate_default_profile()

    from safe.test.utilities import get_qgis_app
    QGIS_APP, CANVAS, IFACE, PARENT = get_qgis_app(qsetting=INASAFE_TEST)

    default_profile = generate_default_profile()
    profile_widget = ProfileWidget(data=default_profile)

    get_result_button = QPushButton('Get result...')
    get_result_button.clicked.connect(
        partial(print_values, profile_widget))

    clear_button = QPushButton('Clear widget...')
    clear_button.clicked.connect(
        partial(clear_widget, profile_widget))

    restore_button = QPushButton('Restore data...')
    restore_button.clicked.connect(
        partial(restore_data, profile_widget))

    widget = QWidget()
    layout = QGridLayout()
    layout.addWidget(profile_widget)
    layout.addWidget(restore_button)
    layout.addWidget(get_result_button)
    layout.addWidget(clear_button)

    widget.setLayout(layout)

    widget.setFixedHeight(600)
    widget.setFixedWidth(800)
    widget.show()

    sys.exit(QGIS_APP.exec_())

    def setupUi(self, DistroMap):
        DistroMap.setObjectName("DistroMap")
        DistroMap.resize(439, 657)
        self.gridLayout_3 = QGridLayout(DistroMap)
        self.gridLayout_3.setObjectName("gridLayout_3")
        self.scrollArea = QScrollArea(DistroMap)
        self.scrollArea.setWidgetResizable(True)
        self.scrollArea.setObjectName("scrollArea")
        self.scrollAreaWidgetContents = QWidget()
        self.scrollAreaWidgetContents.setGeometry(QRect(0, 0, 419, 573))
        self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents")
        self.gridLayout_6 = QGridLayout(self.scrollAreaWidgetContents)
        self.gridLayout_6.setObjectName("gridLayout_6")
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setObjectName("verticalLayout")
        self.label_5 = QLabel(self.scrollAreaWidgetContents)
        self.label_5.setObjectName("label_5")
        self.verticalLayout.addWidget(self.label_5)
        self.comboLocalities = QComboBox(self.scrollAreaWidgetContents)
        self.comboLocalities.setObjectName("comboLocalities")
        self.verticalLayout.addWidget(self.comboLocalities)
        self.gridLayout_6.addLayout(self.verticalLayout, 1, 0, 1, 1)
        self.horizontalLayout_6 = QHBoxLayout()
        self.horizontalLayout_6.setObjectName("horizontalLayout_6")
        self.verticalLayout_13 = QVBoxLayout()
        self.verticalLayout_13.setObjectName("verticalLayout_13")
        self.label_19 = QLabel(self.scrollAreaWidgetContents)
        self.label_19.setObjectName("label_19")
        self.verticalLayout_13.addWidget(self.label_19)
        self.horizontalLayout_3 = QHBoxLayout()
        self.horizontalLayout_3.setObjectName("horizontalLayout_3")
        self.spnOutWidth = QSpinBox(self.scrollAreaWidgetContents)
        self.spnOutWidth.setMaximum(999999)
        self.spnOutWidth.setProperty("value", 325)
        self.spnOutWidth.setObjectName("spnOutWidth")
        self.horizontalLayout_3.addWidget(self.spnOutWidth)
        self.label_20 = QLabel(self.scrollAreaWidgetContents)
        self.label_20.setAlignment(Qt.AlignCenter)
        self.label_20.setObjectName("label_20")
        self.horizontalLayout_3.addWidget(self.label_20)
        self.spnOutHeight = QSpinBox(self.scrollAreaWidgetContents)
        self.spnOutHeight.setMaximum(999999)
        self.spnOutHeight.setProperty("value", 299)
        self.spnOutHeight.setObjectName("spnOutHeight")
        self.horizontalLayout_3.addWidget(self.spnOutHeight)
        self.verticalLayout_13.addLayout(self.horizontalLayout_3)
        self.horizontalLayout_6.addLayout(self.verticalLayout_13)
        self.horizontalLayout_5 = QHBoxLayout()
        self.horizontalLayout_5.setObjectName("horizontalLayout_5")
        self.verticalLayout_14 = QVBoxLayout()
        self.verticalLayout_14.setObjectName("verticalLayout_14")
        self.label_21 = QLabel(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.label_21.sizePolicy().hasHeightForWidth())
        self.label_21.setSizePolicy(sizePolicy)
        self.label_21.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
        self.label_21.setObjectName("label_21")
        self.verticalLayout_14.addWidget(self.label_21)
        self.horizontalLayout_4 = QHBoxLayout()
        self.horizontalLayout_4.setObjectName("horizontalLayout_4")
        spacerItem = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        self.horizontalLayout_4.addItem(spacerItem)
        self.btnColour = QPushButton(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.btnColour.sizePolicy().hasHeightForWidth())
        self.btnColour.setSizePolicy(sizePolicy)
        self.btnColour.setObjectName("btnColour")
        self.horizontalLayout_4.addWidget(self.btnColour)
        self.verticalLayout_14.addLayout(self.horizontalLayout_4)
        self.horizontalLayout_5.addLayout(self.verticalLayout_14)
        self.frmColour = QFrame(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.frmColour.sizePolicy().hasHeightForWidth())
        self.frmColour.setSizePolicy(sizePolicy)
        self.frmColour.setMinimumSize(QSize(45, 45))
        self.frmColour.setSizeIncrement(QSize(1, 1))
        self.frmColour.setBaseSize(QSize(0, 0))
        self.frmColour.setFrameShape(QFrame.StyledPanel)
        self.frmColour.setFrameShadow(QFrame.Raised)
        self.frmColour.setObjectName("frmColour")
        self.horizontalLayout_5.addWidget(self.frmColour)
        self.horizontalLayout_6.addLayout(self.horizontalLayout_5)
        self.gridLayout_6.addLayout(self.horizontalLayout_6, 4, 0, 1, 1)
        self.verticalLayout_2 = QVBoxLayout()
        self.verticalLayout_2.setObjectName("verticalLayout_2")
        self.label_6 = QLabel(self.scrollAreaWidgetContents)
        self.label_6.setObjectName("label_6")
        self.verticalLayout_2.addWidget(self.label_6)
        self.comboTaxonField = QComboBox(self.scrollAreaWidgetContents)
        self.comboTaxonField.setObjectName("comboTaxonField")
        self.verticalLayout_2.addWidget(self.comboTaxonField)
        self.gridLayout_6.addLayout(self.verticalLayout_2, 2, 0, 1, 1)
        self.verticalLayout_5 = QVBoxLayout()
        self.verticalLayout_5.setObjectName("verticalLayout_5")
#.........这里部分代码省略.........

#.........这里部分代码省略.........

    def close_tab(self, index):
        widget = self.tabs.widget(index)
        if widget not in [self.info, self.table, self.preview]:
            self.tabs.removeTab(index)
            widget.deleteLater()

    def setupUi(self):
        self.setWindowTitle(self.tr("DB Manager"))
        self.setWindowIcon(QIcon(":/db_manager/icon"))
        self.resize(QSize(700, 500).expandedTo(self.minimumSizeHint()))

        # create central tab widget and add the first 3 tabs: info, table and preview
        self.tabs = QTabWidget()
        self.info = InfoViewer(self)
        self.tabs.addTab(self.info, self.tr("Info"))
        self.table = TableViewer(self)
        self.tabs.addTab(self.table, self.tr("Table"))
        self.preview = LayerPreview(self)
        self.tabs.addTab(self.preview, self.tr("Preview"))
        self.setCentralWidget(self.tabs)

        # display close button for all tabs but the first 3 ones, i.e.
        # HACK: just hide the close button where not needed (GS)
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.close_tab)
        tabbar = self.tabs.tabBar()
        for i in range(3):
            btn = tabbar.tabButton(i, QTabBar.RightSide) if tabbar.tabButton(i, QTabBar.RightSide) else tabbar.tabButton(i, QTabBar.LeftSide)
            btn.resize(0, 0)
            btn.hide()

        # Creates layout for message bar
        self.layout = QGridLayout(self.info)
        self.layout.setContentsMargins(0, 0, 0, 0)
        spacerItem = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.layout.addItem(spacerItem, 1, 0, 1, 1)
        # init messageBar instance
        self.infoBar = QgsMessageBar(self.info)
        sizePolicy = QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.infoBar.setSizePolicy(sizePolicy)
        self.layout.addWidget(self.infoBar, 0, 0, 1, 1)

        # create database tree
        self.dock = QDockWidget("Tree", self)
        self.dock.setObjectName("DB_Manager_DBView")
        self.dock.setFeatures(QDockWidget.DockWidgetMovable)
        self.tree = DBTree(self)
        self.dock.setWidget(self.tree)
        self.addDockWidget(Qt.LeftDockWidgetArea, self.dock)

        # create status bar
        self.statusBar = QStatusBar(self)
        self.setStatusBar(self.statusBar)

        # create menus
        self.menuBar = QMenuBar(self)
        self.menuDb = QMenu(self.tr("&Database"), self)
        self.menuBar.addMenu(self.menuDb)
        self.menuSchema = QMenu(self.tr("&Schema"), self)
        actionMenuSchema = self.menuBar.addMenu(self.menuSchema)
        self.menuTable = QMenu(self.tr("&Table"), self)
        actionMenuTable = self.menuBar.addMenu(self.menuTable)
        self.menuHelp = None  # QMenu(self.tr("&Help"), self)
        # actionMenuHelp = self.menuBar.addMenu(self.menuHelp)

    def setupUi(self):
        self.setWindowTitle(self.tr("DB Manager"))
        self.setWindowIcon(QIcon(":/db_manager/icon"))
        self.resize(QSize(700, 500).expandedTo(self.minimumSizeHint()))

        # create central tab widget and add the first 3 tabs: info, table and preview
        self.tabs = QTabWidget()
        self.info = InfoViewer(self)
        self.tabs.addTab(self.info, self.tr("Info"))
        self.table = TableViewer(self)
        self.tabs.addTab(self.table, self.tr("Table"))
        self.preview = LayerPreview(self)
        self.tabs.addTab(self.preview, self.tr("Preview"))
        self.setCentralWidget(self.tabs)

        # display close button for all tabs but the first 3 ones, i.e.
        # HACK: just hide the close button where not needed (GS)
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.close_tab)
        tabbar = self.tabs.tabBar()
        for i in range(3):
            btn = tabbar.tabButton(i, QTabBar.RightSide) if tabbar.tabButton(i, QTabBar.RightSide) else tabbar.tabButton(i, QTabBar.LeftSide)
            btn.resize(0, 0)
            btn.hide()

        # Creates layout for message bar
        self.layout = QGridLayout(self.info)
        self.layout.setContentsMargins(0, 0, 0, 0)
        spacerItem = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.layout.addItem(spacerItem, 1, 0, 1, 1)
        # init messageBar instance
        self.infoBar = QgsMessageBar(self.info)
        sizePolicy = QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.infoBar.setSizePolicy(sizePolicy)
        self.layout.addWidget(self.infoBar, 0, 0, 1, 1)

        # create database tree
        self.dock = QDockWidget("Tree", self)
        self.dock.setObjectName("DB_Manager_DBView")
        self.dock.setFeatures(QDockWidget.DockWidgetMovable)
        self.tree = DBTree(self)
        self.dock.setWidget(self.tree)
        self.addDockWidget(Qt.LeftDockWidgetArea, self.dock)

        # create status bar
        self.statusBar = QStatusBar(self)
        self.setStatusBar(self.statusBar)

        # create menus
        self.menuBar = QMenuBar(self)
        self.menuDb = QMenu(self.tr("&Database"), self)
        self.menuBar.addMenu(self.menuDb)
        self.menuSchema = QMenu(self.tr("&Schema"), self)
        actionMenuSchema = self.menuBar.addMenu(self.menuSchema)
        self.menuTable = QMenu(self.tr("&Table"), self)
        actionMenuTable = self.menuBar.addMenu(self.menuTable)
        self.menuHelp = None  # QMenu(self.tr("&Help"), self)
        # actionMenuHelp = self.menuBar.addMenu(self.menuHelp)

        self.setMenuBar(self.menuBar)

        # create toolbar
        self.toolBar = QToolBar("Default", self)
        self.toolBar.setObjectName("DB_Manager_ToolBar")
        self.addToolBar(self.toolBar)

        # create menus' actions

        # menu DATABASE
        sep = self.menuDb.addSeparator()
        sep.setObjectName("DB_Manager_DbMenu_placeholder")
        sep.setVisible(False)

        self.actionRefresh = self.menuDb.addAction(QIcon(":/db_manager/actions/refresh"), self.tr("&Refresh"),
                                                   self.refreshActionSlot, QKeySequence("F5"))
        self.actionSqlWindow = self.menuDb.addAction(QIcon(":/db_manager/actions/sql_window"), self.tr("&SQL window"),
                                                     self.runSqlWindow, QKeySequence("F2"))
        self.menuDb.addSeparator()
        self.actionClose = self.menuDb.addAction(QIcon(), self.tr("&Exit"), self.close, QKeySequence("CTRL+Q"))

        # menu SCHEMA
        sep = self.menuSchema.addSeparator()
        sep.setObjectName("DB_Manager_SchemaMenu_placeholder")
        sep.setVisible(False)

        actionMenuSchema.setVisible(False)

        # menu TABLE
        sep = self.menuTable.addSeparator()
        sep.setObjectName("DB_Manager_TableMenu_placeholder")
        sep.setVisible(False)

        self.actionImport = self.menuTable.addAction(QIcon(":/db_manager/actions/import"),
                                                     self.tr("&Import layer/file"), self.importActionSlot)
        self.actionExport = self.menuTable.addAction(QIcon(":/db_manager/actions/export"), self.tr("&Export to file"),
                                                     self.exportActionSlot)
        self.menuTable.addSeparator()
        #self.actionShowSystemTables = self.menuTable.addAction(self.tr("Show system tables/views"), self.showSystemTables)
        #self.actionShowSystemTables.setCheckable(True)
        #self.actionShowSystemTables.setChecked(True)
#.........这里部分代码省略.........

    def __init__(self, model=None):
        super().__init__(None)
        self.setAttribute(Qt.WA_DeleteOnClose)

        self.setupUi(self)

        self._variables_scope = None

        # LOTS of bug reports when we include the dock creation in the UI file
        # see e.g. #16428, #19068
        # So just roll it all by hand......!
        self.propertiesDock = QgsDockWidget(self)
        self.propertiesDock.setFeatures(
            QDockWidget.DockWidgetFloatable | QDockWidget.DockWidgetMovable)
        self.propertiesDock.setObjectName("propertiesDock")
        propertiesDockContents = QWidget()
        self.verticalDockLayout_1 = QVBoxLayout(propertiesDockContents)
        self.verticalDockLayout_1.setContentsMargins(0, 0, 0, 0)
        self.verticalDockLayout_1.setSpacing(0)
        self.scrollArea_1 = QgsScrollArea(propertiesDockContents)
        sizePolicy = QSizePolicy(QSizePolicy.MinimumExpanding,
                                 QSizePolicy.MinimumExpanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.scrollArea_1.sizePolicy().hasHeightForWidth())
        self.scrollArea_1.setSizePolicy(sizePolicy)
        self.scrollArea_1.setFocusPolicy(Qt.WheelFocus)
        self.scrollArea_1.setFrameShape(QFrame.NoFrame)
        self.scrollArea_1.setFrameShadow(QFrame.Plain)
        self.scrollArea_1.setWidgetResizable(True)
        self.scrollAreaWidgetContents_1 = QWidget()
        self.gridLayout = QGridLayout(self.scrollAreaWidgetContents_1)
        self.gridLayout.setContentsMargins(6, 6, 6, 6)
        self.gridLayout.setSpacing(4)
        self.label_1 = QLabel(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.label_1, 0, 0, 1, 1)
        self.textName = QLineEdit(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.textName, 0, 1, 1, 1)
        self.label_2 = QLabel(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.label_2, 1, 0, 1, 1)
        self.textGroup = QLineEdit(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.textGroup, 1, 1, 1, 1)
        self.label_1.setText(self.tr("Name"))
        self.textName.setToolTip(self.tr("Enter model name here"))
        self.label_2.setText(self.tr("Group"))
        self.textGroup.setToolTip(self.tr("Enter group name here"))
        self.scrollArea_1.setWidget(self.scrollAreaWidgetContents_1)
        self.verticalDockLayout_1.addWidget(self.scrollArea_1)
        self.propertiesDock.setWidget(propertiesDockContents)
        self.propertiesDock.setWindowTitle(self.tr("Model Properties"))

        self.inputsDock = QgsDockWidget(self)
        self.inputsDock.setFeatures(QDockWidget.DockWidgetFloatable | QDockWidget.DockWidgetMovable)
        self.inputsDock.setObjectName("inputsDock")
        self.inputsDockContents = QWidget()
        self.verticalLayout_3 = QVBoxLayout(self.inputsDockContents)
        self.verticalLayout_3.setContentsMargins(0, 0, 0, 0)
        self.scrollArea_2 = QgsScrollArea(self.inputsDockContents)
        sizePolicy.setHeightForWidth(self.scrollArea_2.sizePolicy().hasHeightForWidth())
        self.scrollArea_2.setSizePolicy(sizePolicy)
        self.scrollArea_2.setFocusPolicy(Qt.WheelFocus)
        self.scrollArea_2.setFrameShape(QFrame.NoFrame)
        self.scrollArea_2.setFrameShadow(QFrame.Plain)
        self.scrollArea_2.setWidgetResizable(True)
        self.scrollAreaWidgetContents_2 = QWidget()
        self.verticalLayout = QVBoxLayout(self.scrollAreaWidgetContents_2)
        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
        self.verticalLayout.setSpacing(0)
        self.inputsTree = QTreeWidget(self.scrollAreaWidgetContents_2)
        self.inputsTree.setAlternatingRowColors(True)
        self.inputsTree.header().setVisible(False)
        self.verticalLayout.addWidget(self.inputsTree)
        self.scrollArea_2.setWidget(self.scrollAreaWidgetContents_2)
        self.verticalLayout_3.addWidget(self.scrollArea_2)
        self.inputsDock.setWidget(self.inputsDockContents)
        self.addDockWidget(Qt.DockWidgetArea(1), self.inputsDock)
        self.inputsDock.setWindowTitle(self.tr("Inputs"))

        self.algorithmsDock = QgsDockWidget(self)
        self.algorithmsDock.setFeatures(QDockWidget.DockWidgetFloatable | QDockWidget.DockWidgetMovable)
        self.algorithmsDock.setObjectName("algorithmsDock")
        self.algorithmsDockContents = QWidget()
        self.verticalLayout_4 = QVBoxLayout(self.algorithmsDockContents)
        self.verticalLayout_4.setContentsMargins(0, 0, 0, 0)
        self.scrollArea_3 = QgsScrollArea(self.algorithmsDockContents)
        sizePolicy.setHeightForWidth(self.scrollArea_3.sizePolicy().hasHeightForWidth())
        self.scrollArea_3.setSizePolicy(sizePolicy)
        self.scrollArea_3.setFocusPolicy(Qt.WheelFocus)
        self.scrollArea_3.setFrameShape(QFrame.NoFrame)
        self.scrollArea_3.setFrameShadow(QFrame.Plain)
        self.scrollArea_3.setWidgetResizable(True)
        self.scrollAreaWidgetContents_3 = QWidget()
        self.verticalLayout_2 = QVBoxLayout(self.scrollAreaWidgetContents_3)
        self.verticalLayout_2.setContentsMargins(0, 0, 0, 0)
        self.verticalLayout_2.setSpacing(4)
        self.searchBox = QgsFilterLineEdit(self.scrollAreaWidgetContents_3)
        self.verticalLayout_2.addWidget(self.searchBox)
        self.algorithmTree = QgsProcessingToolboxTreeView(None,
                                                          QgsApplication.processingRegistry())
        self.algorithmTree.setAlternatingRowColors(True)
#.........这里部分代码省略.........

class ModelerDialog(BASE, WIDGET):
    ALG_ITEM = 'ALG_ITEM'
    PROVIDER_ITEM = 'PROVIDER_ITEM'
    GROUP_ITEM = 'GROUP_ITEM'

    NAME_ROLE = Qt.UserRole
    TAG_ROLE = Qt.UserRole + 1
    TYPE_ROLE = Qt.UserRole + 2

    CANVAS_SIZE = 4000

    update_model = pyqtSignal()

    def __init__(self, model=None):
        super().__init__(None)
        self.setAttribute(Qt.WA_DeleteOnClose)

        self.setupUi(self)

        self._variables_scope = None

        # LOTS of bug reports when we include the dock creation in the UI file
        # see e.g. #16428, #19068
        # So just roll it all by hand......!
        self.propertiesDock = QgsDockWidget(self)
        self.propertiesDock.setFeatures(
            QDockWidget.DockWidgetFloatable | QDockWidget.DockWidgetMovable)
        self.propertiesDock.setObjectName("propertiesDock")
        propertiesDockContents = QWidget()
        self.verticalDockLayout_1 = QVBoxLayout(propertiesDockContents)
        self.verticalDockLayout_1.setContentsMargins(0, 0, 0, 0)
        self.verticalDockLayout_1.setSpacing(0)
        self.scrollArea_1 = QgsScrollArea(propertiesDockContents)
        sizePolicy = QSizePolicy(QSizePolicy.MinimumExpanding,
                                 QSizePolicy.MinimumExpanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.scrollArea_1.sizePolicy().hasHeightForWidth())
        self.scrollArea_1.setSizePolicy(sizePolicy)
        self.scrollArea_1.setFocusPolicy(Qt.WheelFocus)
        self.scrollArea_1.setFrameShape(QFrame.NoFrame)
        self.scrollArea_1.setFrameShadow(QFrame.Plain)
        self.scrollArea_1.setWidgetResizable(True)
        self.scrollAreaWidgetContents_1 = QWidget()
        self.gridLayout = QGridLayout(self.scrollAreaWidgetContents_1)
        self.gridLayout.setContentsMargins(6, 6, 6, 6)
        self.gridLayout.setSpacing(4)
        self.label_1 = QLabel(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.label_1, 0, 0, 1, 1)
        self.textName = QLineEdit(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.textName, 0, 1, 1, 1)
        self.label_2 = QLabel(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.label_2, 1, 0, 1, 1)
        self.textGroup = QLineEdit(self.scrollAreaWidgetContents_1)
        self.gridLayout.addWidget(self.textGroup, 1, 1, 1, 1)
        self.label_1.setText(self.tr("Name"))
        self.textName.setToolTip(self.tr("Enter model name here"))
        self.label_2.setText(self.tr("Group"))
        self.textGroup.setToolTip(self.tr("Enter group name here"))
        self.scrollArea_1.setWidget(self.scrollAreaWidgetContents_1)
        self.verticalDockLayout_1.addWidget(self.scrollArea_1)
        self.propertiesDock.setWidget(propertiesDockContents)
        self.propertiesDock.setWindowTitle(self.tr("Model Properties"))

        self.inputsDock = QgsDockWidget(self)
        self.inputsDock.setFeatures(QDockWidget.DockWidgetFloatable | QDockWidget.DockWidgetMovable)
        self.inputsDock.setObjectName("inputsDock")
        self.inputsDockContents = QWidget()
        self.verticalLayout_3 = QVBoxLayout(self.inputsDockContents)
        self.verticalLayout_3.setContentsMargins(0, 0, 0, 0)
        self.scrollArea_2 = QgsScrollArea(self.inputsDockContents)
        sizePolicy.setHeightForWidth(self.scrollArea_2.sizePolicy().hasHeightForWidth())
        self.scrollArea_2.setSizePolicy(sizePolicy)
        self.scrollArea_2.setFocusPolicy(Qt.WheelFocus)
        s