def add_tool_buttons(self): """ Add toolbar buttons of add, edit and delete buttons. :return: None :rtype: NoneType """ tool_buttons = QToolBar() tool_buttons.setObjectName('form_toolbar') tool_buttons.setIconSize(QSize(16, 16)) self.addSTR = QAction(GuiUtils.get_icon('add.png'), QApplication.translate('ViewSTRWidget', 'Add'), self) self.editSTR = QAction(GuiUtils.get_icon('edit.png'), QApplication.translate('ViewSTRWidget', 'Edit'), self) self.deleteSTR = QAction( GuiUtils.get_icon('remove.png'), QApplication.translate('ViewSTRWidget', 'Remove'), self) tool_buttons.addAction(self.addSTR) tool_buttons.addAction(self.editSTR) tool_buttons.addAction(self.deleteSTR) self.toolbarVBox.addWidget(tool_buttons)
class DBManager(QMainWindow): def __init__(self, iface, parent=None): QMainWindow.__init__(self, parent) self.setAttribute(Qt.WA_DeleteOnClose) self.setupUi() self.iface = iface # restore the window state settings = QgsSettings() self.restoreGeometry(settings.value("/DB_Manager/mainWindow/geometry", QByteArray(), type=QByteArray)) self.restoreState(settings.value("/DB_Manager/mainWindow/windowState", QByteArray(), type=QByteArray)) self.tabs.currentChanged.connect(self.tabChanged) self.tree.selectedItemChanged.connect(self.itemChanged) self.itemChanged(None) def closeEvent(self, e): self.unregisterAllActions() # clear preview, this will delete the layer in preview tab self.preview.loadPreview(None) # save the window state settings = QgsSettings() settings.setValue("/DB_Manager/mainWindow/windowState", self.saveState()) settings.setValue("/DB_Manager/mainWindow/geometry", self.saveGeometry()) QMainWindow.closeEvent(self, e) def refreshItem(self, item=None): with OverrideCursor(Qt.WaitCursor): try: if item is None: item = self.tree.currentItem() self.tree.refreshItem(item) # refresh item children in the db tree except BaseError as e: DlgDbError.showError(e, self) def itemChanged(self, item): with OverrideCursor(Qt.WaitCursor): try: self.reloadButtons() # clear preview, this will delete the layer in preview tab self.preview.loadPreview(None) self.refreshTabs() except BaseError as e: DlgDbError.showError(e, self) def reloadButtons(self): db = self.tree.currentDatabase() if not hasattr(self, '_lastDb'): self._lastDb = db elif db == self._lastDb: return # remove old actions if self._lastDb is not None: self.unregisterAllActions() # add actions of the selected database self._lastDb = db if self._lastDb is not None: self._lastDb.registerAllActions(self) def tabChanged(self, index): with OverrideCursor(Qt.WaitCursor): try: self.refreshTabs() except BaseError as e: DlgDbError.showError(e, self) def refreshTabs(self): index = self.tabs.currentIndex() item = self.tree.currentItem() table = self.tree.currentTable() # enable/disable tabs self.tabs.setTabEnabled(self.tabs.indexOf(self.table), table is not None) self.tabs.setTabEnabled(self.tabs.indexOf(self.preview), table is not None and table.type in [table.VectorType, table.RasterType] and table.geomColumn is not None) # show the info tab if the current tab is disabled if not self.tabs.isTabEnabled(index): self.tabs.setCurrentWidget(self.info) current_tab = self.tabs.currentWidget() if current_tab == self.info: self.info.showInfo(item) elif current_tab == self.table: self.table.loadData(item) elif current_tab == self.preview: self.preview.loadPreview(item) def refreshActionSlot(self): self.info.setDirty() self.table.setDirty() self.preview.setDirty() self.refreshItem() def importActionSlot(self): db = self.tree.currentDatabase() if db is None: self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."), QgsMessageBar.INFO, self.iface.messageTimeout()) return outUri = db.uri() schema = self.tree.currentSchema() if schema: outUri.setDataSource(schema.name, "", "", "") from .dlg_import_vector import DlgImportVector dlg = DlgImportVector(None, db, outUri, self) dlg.exec_() def exportActionSlot(self): table = self.tree.currentTable() if table is None: self.infoBar.pushMessage(self.tr("Select the table you want export to file."), QgsMessageBar.INFO, self.iface.messageTimeout()) return inLayer = table.toMapLayer() if inLayer.type() != QgsMapLayer.VectorLayer: self.infoBar.pushMessage( self.tr("Select a vector or a tabular layer you want export."), QgsMessageBar.WARNING, self.iface.messageTimeout()) return from .dlg_export_vector import DlgExportVector dlg = DlgExportVector(inLayer, table.database(), self) dlg.exec_() inLayer.deleteLater() def runSqlWindow(self): db = self.tree.currentDatabase() if db is None: self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."), QgsMessageBar.INFO, self.iface.messageTimeout()) # force displaying of the message, it appears on the first tab (i.e. Info) self.tabs.setCurrentIndex(0) return from .dlg_sql_window import DlgSqlWindow query = DlgSqlWindow(self.iface, db, self) dbname = db.connection().connectionName() tabname = self.tr("Query ({0})").format(dbname) index = self.tabs.addTab(query, tabname) self.tabs.setTabIcon(index, db.connection().icon()) self.tabs.setCurrentIndex(index) query.nameChanged.connect(functools.partial(self.update_query_tab_name, index, dbname)) def runSqlLayerWindow(self, layer): from .dlg_sql_layer_window import DlgSqlLayerWindow query = DlgSqlLayerWindow(self.iface, layer, self) lname = layer.name() tabname = self.tr("Layer ({0})").format(lname) index = self.tabs.addTab(query, tabname) # self.tabs.setTabIcon(index, db.connection().icon()) self.tabs.setCurrentIndex(index) def update_query_tab_name(self, index, dbname, queryname): if not queryname: queryname = self.tr("Query") tabname = u"%s (%s)" % (queryname, dbname) self.tabs.setTabText(index, tabname) def showSystemTables(self): self.tree.showSystemTables(self.actionShowSystemTables.isChecked()) def registerAction(self, action, menuName, callback=None): """ register an action to the manager's main menu """ if not hasattr(self, '_registeredDbActions'): self._registeredDbActions = {} if callback is not None: def invoke_callback(x): return self.invokeCallback(callback) if menuName is None or menuName == "": self.addAction(action) if menuName not in self._registeredDbActions: self._registeredDbActions[menuName] = list() self._registeredDbActions[menuName].append(action) if callback is not None: action.triggered.connect(invoke_callback) return True # search for the menu actionMenu = None helpMenuAction = None for a in self.menuBar.actions(): if not a.menu() or a.menu().title() != menuName: continue if a.menu() != self.menuHelp: helpMenuAction = a actionMenu = a break # not found, add a new menu before the help menu if actionMenu is None: menu = QMenu(menuName, self) if helpMenuAction is not None: actionMenu = self.menuBar.insertMenu(helpMenuAction, menu) else: actionMenu = self.menuBar.addMenu(menu) menu = actionMenu.menu() menuActions = menu.actions() # get the placeholder's position to insert before it pos = 0 for pos in range(len(menuActions)): if menuActions[pos].isSeparator() and menuActions[pos].objectName().endswith("_placeholder"): menuActions[pos].setVisible(True) break if pos < len(menuActions): before = menuActions[pos] menu.insertAction(before, action) else: menu.addAction(action) actionMenu.setVisible(True) # show the menu if menuName not in self._registeredDbActions: self._registeredDbActions[menuName] = list() self._registeredDbActions[menuName].append(action) if callback is not None: action.triggered.connect(invoke_callback) return True def invokeCallback(self, callback, *params): """ Call a method passing the selected item in the database tree, the sender (usually a QAction), the plugin mainWindow and optionally additional parameters. This method takes care to override and restore the cursor, but also catches exceptions and displays the error dialog. """ with OverrideCursor(Qt.WaitCursor): try: callback(self.tree.currentItem(), self.sender(), self, *params) except BaseError as e: # catch database errors and display the error dialog DlgDbError.showError(e, self) def unregisterAction(self, action, menuName): if not hasattr(self, '_registeredDbActions'): return if menuName is None or menuName == "": self.removeAction(action) if menuName in self._registeredDbActions: if self._registeredDbActions[menuName].count(action) > 0: self._registeredDbActions[menuName].remove(action) action.deleteLater() return True for a in self.menuBar.actions(): if not a.menu() or a.menu().title() != menuName: continue menu = a.menu() menuActions = menu.actions() menu.removeAction(action) if menu.isEmpty(): # hide the menu a.setVisible(False) if menuName in self._registeredDbActions: if self._registeredDbActions[menuName].count(action) > 0: self._registeredDbActions[menuName].remove(action) # hide the placeholder if there're no other registered actions if len(self._registeredDbActions[menuName]) <= 0: for i in range(len(menuActions)): if menuActions[i].isSeparator() and menuActions[i].objectName().endswith("_placeholder"): menuActions[i].setVisible(False) break action.deleteLater() return True return False def unregisterAllActions(self): if not hasattr(self, '_registeredDbActions'): return for menuName in self._registeredDbActions: for action in list(self._registeredDbActions[menuName]): self.unregisterAction(action, menuName) del self._registeredDbActions 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) 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) actionMenuTable.setVisible(False) # add actions to the toolbar self.toolBar.addAction(self.actionRefresh) self.toolBar.addAction(self.actionSqlWindow) self.toolBar.addAction(self.actionImport) self.toolBar.addAction(self.actionExport)
class DBManager(QMainWindow): def __init__(self, iface, parent=None): QMainWindow.__init__(self, parent) self.setAttribute(Qt.WA_DeleteOnClose) self.setupUi() self.iface = iface # restore the window state settings = QgsSettings() self.restoreGeometry(settings.value("/DB_Manager/mainWindow/geometry", QByteArray(), type=QByteArray)) self.restoreState(settings.value("/DB_Manager/mainWindow/windowState", QByteArray(), type=QByteArray)) self.tabs.currentChanged.connect(self.tabChanged) self.tree.selectedItemChanged.connect(self.itemChanged) self.tree.model().dataChanged.connect(self.iface.reloadConnections) self.itemChanged(None) def closeEvent(self, e): self.unregisterAllActions() # clear preview, this will delete the layer in preview tab self.preview.loadPreview(None) # save the window state settings = QgsSettings() settings.setValue("/DB_Manager/mainWindow/windowState", self.saveState()) settings.setValue("/DB_Manager/mainWindow/geometry", self.saveGeometry()) QMainWindow.closeEvent(self, e) def refreshItem(self, item=None): with OverrideCursor(Qt.WaitCursor): try: if item is None: item = self.tree.currentItem() self.tree.refreshItem(item) # refresh item children in the db tree except BaseError as e: DlgDbError.showError(e, self) def itemChanged(self, item): with OverrideCursor(Qt.WaitCursor): try: self.reloadButtons() # clear preview, this will delete the layer in preview tab self.preview.loadPreview(None) self.refreshTabs() except BaseError as e: DlgDbError.showError(e, self) def reloadButtons(self): db = self.tree.currentDatabase() if not hasattr(self, '_lastDb'): self._lastDb = db elif db == self._lastDb: return # remove old actions if self._lastDb is not None: self.unregisterAllActions() # add actions of the selected database self._lastDb = db if self._lastDb is not None: self._lastDb.registerAllActions(self) def tabChanged(self, index): with OverrideCursor(Qt.WaitCursor): try: self.refreshTabs() except BaseError as e: DlgDbError.showError(e, self) def refreshTabs(self): index = self.tabs.currentIndex() item = self.tree.currentItem() table = self.tree.currentTable() # enable/disable tabs self.tabs.setTabEnabled(self.tabs.indexOf(self.table), table is not None) self.tabs.setTabEnabled(self.tabs.indexOf(self.preview), table is not None and table.type in [table.VectorType, table.RasterType] and table.geomColumn is not None) # show the info tab if the current tab is disabled if not self.tabs.isTabEnabled(index): self.tabs.setCurrentWidget(self.info) current_tab = self.tabs.currentWidget() if current_tab == self.info: self.info.showInfo(item) elif current_tab == self.table: self.table.loadData(item) elif current_tab == self.preview: self.preview.loadPreview(item) def refreshActionSlot(self): self.info.setDirty() self.table.setDirty() self.preview.setDirty() self.refreshItem() def importActionSlot(self): db = self.tree.currentDatabase() if db is None: self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."), Qgis.Info, self.iface.messageTimeout()) return outUri = db.uri() schema = self.tree.currentSchema() if schema: outUri.setDataSource(schema.name, "", "", "") from .dlg_import_vector import DlgImportVector dlg = DlgImportVector(None, db, outUri, self) dlg.exec_() def exportActionSlot(self): table = self.tree.currentTable() if table is None: self.infoBar.pushMessage(self.tr("Select the table you want export to file."), Qgis.Info, self.iface.messageTimeout()) return inLayer = table.toMapLayer() if inLayer.type() != QgsMapLayer.VectorLayer: self.infoBar.pushMessage( self.tr("Select a vector or a tabular layer you want export."), Qgis.Warning, self.iface.messageTimeout()) return from .dlg_export_vector import DlgExportVector dlg = DlgExportVector(inLayer, table.database(), self) dlg.exec_() inLayer.deleteLater() def runSqlWindow(self): db = self.tree.currentDatabase() if db is None: self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."), Qgis.Info, self.iface.messageTimeout()) # force displaying of the message, it appears on the first tab (i.e. Info) self.tabs.setCurrentIndex(0) return from .dlg_sql_window import DlgSqlWindow query = DlgSqlWindow(self.iface, db, self) dbname = db.connection().connectionName() tabname = self.tr("Query ({0})").format(dbname) index = self.tabs.addTab(query, tabname) self.tabs.setTabIcon(index, db.connection().icon()) self.tabs.setCurrentIndex(index) query.nameChanged.connect(functools.partial(self.update_query_tab_name, index, dbname)) def runSqlLayerWindow(self, layer): from .dlg_sql_layer_window import DlgSqlLayerWindow query = DlgSqlLayerWindow(self.iface, layer, self) lname = layer.name() tabname = self.tr("Layer ({0})").format(lname) index = self.tabs.addTab(query, tabname) # self.tabs.setTabIcon(index, db.connection().icon()) self.tabs.setCurrentIndex(index) def update_query_tab_name(self, index, dbname, queryname): if not queryname: queryname = self.tr("Query") tabname = u"%s (%s)" % (queryname, dbname) self.tabs.setTabText(index, tabname) def showSystemTables(self): self.tree.showSystemTables(self.actionShowSystemTables.isChecked()) def registerAction(self, action, menuName, callback=None): """ register an action to the manager's main menu """ if not hasattr(self, '_registeredDbActions'): self._registeredDbActions = {} if callback is not None: def invoke_callback(x): return self.invokeCallback(callback) if menuName is None or menuName == "": self.addAction(action) if menuName not in self._registeredDbActions: self._registeredDbActions[menuName] = list() self._registeredDbActions[menuName].append(action) if callback is not None: action.triggered.connect(invoke_callback) return True # search for the menu actionMenu = None helpMenuAction = None for a in self.menuBar.actions(): if not a.menu() or a.menu().title() != menuName: continue if a.menu() != self.menuHelp: helpMenuAction = a actionMenu = a break # not found, add a new menu before the help menu if actionMenu is None: menu = QMenu(menuName, self) if helpMenuAction is not None: actionMenu = self.menuBar.insertMenu(helpMenuAction, menu) else: actionMenu = self.menuBar.addMenu(menu) menu = actionMenu.menu() menuActions = menu.actions() # get the placeholder's position to insert before it pos = 0 for pos in range(len(menuActions)): if menuActions[pos].isSeparator() and menuActions[pos].objectName().endswith("_placeholder"): menuActions[pos].setVisible(True) break if pos < len(menuActions): before = menuActions[pos] menu.insertAction(before, action) else: menu.addAction(action) actionMenu.setVisible(True) # show the menu if menuName not in self._registeredDbActions: self._registeredDbActions[menuName] = list() self._registeredDbActions[menuName].append(action) if callback is not None: action.triggered.connect(invoke_callback) return True def invokeCallback(self, callback, *params): """ Call a method passing the selected item in the database tree, the sender (usually a QAction), the plugin mainWindow and optionally additional parameters. This method takes care to override and restore the cursor, but also catches exceptions and displays the error dialog. """ with OverrideCursor(Qt.WaitCursor): try: callback(self.tree.currentItem(), self.sender(), self, *params) except BaseError as e: # catch database errors and display the error dialog DlgDbError.showError(e, self) def unregisterAction(self, action, menuName): if not hasattr(self, '_registeredDbActions'): return if menuName is None or menuName == "": self.removeAction(action) if menuName in self._registeredDbActions: if self._registeredDbActions[menuName].count(action) > 0: self._registeredDbActions[menuName].remove(action) action.deleteLater() return True for a in self.menuBar.actions(): if not a.menu() or a.menu().title() != menuName: continue menu = a.menu() menuActions = menu.actions() menu.removeAction(action) if menu.isEmpty(): # hide the menu a.setVisible(False) if menuName in self._registeredDbActions: if self._registeredDbActions[menuName].count(action) > 0: self._registeredDbActions[menuName].remove(action) # hide the placeholder if there're no other registered actions if len(self._registeredDbActions[menuName]) <= 0: for i in range(len(menuActions)): if menuActions[i].isSeparator() and menuActions[i].objectName().endswith("_placeholder"): menuActions[i].setVisible(False) break action.deleteLater() return True return False def unregisterAllActions(self): if not hasattr(self, '_registeredDbActions'): return for menuName in self._registeredDbActions: for action in list(self._registeredDbActions[menuName]): self.unregisterAction(action, menuName) del self._registeredDbActions 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) 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) actionMenuTable.setVisible(False) # add actions to the toolbar self.toolBar.addAction(self.actionRefresh) self.toolBar.addAction(self.actionSqlWindow) self.toolBar.addAction(self.actionImport) self.toolBar.addAction(self.actionExport)
class CartographyToolsPlugin: """QGIS Plugin Implementation.""" def __init__(self, iface: QgisInterface): """Constructor. :param iface: An interface instance that will be passed to this class which provides the hook by which you can manipulate the QGIS application at run time. :type iface: QgsInterface """ super().__init__() # Save reference to the QGIS interface self.iface = iface # initialize plugin directory self.plugin_dir = os.path.dirname(__file__) # initialize locale locale = QgsApplication.locale() locale_path = os.path.join(self.plugin_dir, 'i18n', '{}.qm'.format(locale)) if os.path.exists(locale_path): self.translator = QTranslator() self.translator.load(locale_path) QCoreApplication.installTranslator(self.translator) # processing framework self.provider = CartographyToolsProvider() self.toolbar = None self.actions = [] self.tools = {} self.active_tool = None self.layout_hooks = LayoutDesignerHooks() @staticmethod def tr(message): """Get the translation for a string using Qt translation API. We implement this ourselves since we do not inherit QObject. :param message: String for translation. :type message: str, QString :returns: Translated version of message. :rtype: QString """ # noinspection PyTypeChecker,PyArgumentList,PyCallByClass return QCoreApplication.translate('CartographyTools', message) def initProcessing(self): """Create the Processing provider""" QgsApplication.processingRegistry().addProvider(self.provider) def initGui(self): """Creates application GUI widgets""" self.initProcessing() self.toolbar = QToolBar(self.tr('Cartography Tools')) self.toolbar.setObjectName('cartographyTools') self.iface.addToolBar(self.toolbar) self.create_tools() self.iface.currentLayerChanged.connect(self.current_layer_changed) self.iface.actionToggleEditing().toggled.connect(self.editing_toggled) self.layout_hooks.init_gui(self.iface) def get_map_tool_action_group(self): try: return self.iface.mapToolActionGroup() except AttributeError: return \ [o for o in self.iface.mainWindow().findChildren(QActionGroup) if self.iface.actionPan() in o.actions()][0] def create_tools(self): """ Creates all map tools ands add them to the QGIS interface """ action_single_point_templated_marker = QAction( GuiUtils.get_icon('single_point_templated_marker.svg'), self.tr('Single Point Templated Marker')) action_single_point_templated_marker.setCheckable(True) self.tools[SinglePointTemplatedMarkerTool. ID] = SinglePointTemplatedMarkerTool( self.iface.mapCanvas(), self.iface.cadDockWidget(), self.iface, action_single_point_templated_marker) self.tools[SinglePointTemplatedMarkerTool.ID].setAction( action_single_point_templated_marker) action_single_point_templated_marker.triggered.connect( partial(self.switch_tool, SinglePointTemplatedMarkerTool.ID)) action_single_point_templated_marker.setData( SinglePointTemplatedMarkerTool.ID) self.toolbar.addAction(action_single_point_templated_marker) self.actions.append(action_single_point_templated_marker) self.get_map_tool_action_group().addAction( action_single_point_templated_marker) # single point at center of line tool action_single_point_at_center_of_line = QAction( GuiUtils.get_icon('marker_at_center_of_line.svg'), self.tr('Single Point Templated Marker Via Two Points')) action_single_point_at_center_of_line.setCheckable(True) self.tools[ TwoPointTemplatedMarkerTool.ID] = TwoPointTemplatedMarkerTool( self.iface.mapCanvas(), self.iface.cadDockWidget(), self.iface, action_single_point_at_center_of_line) self.tools[TwoPointTemplatedMarkerTool.ID].setAction( action_single_point_at_center_of_line) action_single_point_at_center_of_line.triggered.connect( partial(self.switch_tool, TwoPointTemplatedMarkerTool.ID)) action_single_point_at_center_of_line.setData( TwoPointTemplatedMarkerTool.ID) self.toolbar.addAction(action_single_point_at_center_of_line) self.actions.append(action_single_point_at_center_of_line) self.get_map_tool_action_group().addAction( action_single_point_at_center_of_line) # multi point tool action_multi_point_templated_marker = QAction( GuiUtils.get_icon('multi_point_templated_marker.svg'), self.tr('Multiple Point Templated Marker Along LineString')) action_multi_point_templated_marker.setCheckable(True) self.tools[ MultiPointTemplatedMarkerTool.ID] = MultiPointTemplatedMarkerTool( self.iface.mapCanvas(), self.iface.cadDockWidget(), self.iface, action_multi_point_templated_marker) self.tools[MultiPointTemplatedMarkerTool.ID].setAction( action_multi_point_templated_marker) action_multi_point_templated_marker.triggered.connect( partial(self.switch_tool, MultiPointTemplatedMarkerTool.ID)) action_multi_point_templated_marker.setData( MultiPointTemplatedMarkerTool.ID) self.toolbar.addAction(action_multi_point_templated_marker) self.actions.append(action_multi_point_templated_marker) self.get_map_tool_action_group().addAction( action_single_point_templated_marker) # multi at center of segment point tool action_multi_point_center_segment_templated_marker = QAction( GuiUtils.get_icon('multi_point_templated_marker_at_center.svg'), self.tr('Multiple Point Templated Marker At Center Of Segments')) action_multi_point_center_segment_templated_marker.setCheckable(True) self.tools[MultiPointSegmentCenterTemplatedMarkerTool. ID] = MultiPointSegmentCenterTemplatedMarkerTool( self.iface.mapCanvas(), self.iface.cadDockWidget(), self.iface, action_multi_point_center_segment_templated_marker) self.tools[MultiPointSegmentCenterTemplatedMarkerTool.ID].setAction( action_multi_point_center_segment_templated_marker) action_multi_point_center_segment_templated_marker.triggered.connect( partial(self.switch_tool, MultiPointSegmentCenterTemplatedMarkerTool.ID)) action_multi_point_center_segment_templated_marker.setData( MultiPointSegmentCenterTemplatedMarkerTool.ID) self.toolbar.addAction( action_multi_point_center_segment_templated_marker) self.actions.append(action_multi_point_center_segment_templated_marker) self.get_map_tool_action_group().addAction( action_single_point_templated_marker) self.enable_actions_for_layer(self.iface.activeLayer()) def unload(self): """Removes the plugin menu item and icon from QGIS GUI.""" QgsApplication.processingRegistry().removeProvider(self.provider) if self.toolbar is not None: self.toolbar.deleteLater() for action in self.actions: if action is not None: action.deleteLater() self.iface.currentLayerChanged.disconnect(self.current_layer_changed) self.layout_hooks.unload(self.iface) def switch_tool(self, tool_id: str): """ Switches to the tool with the specified tool_id """ tool = self.tools[tool_id] if self.iface.mapCanvas().mapTool() == tool: return self.iface.mapCanvas().setMapTool(tool) self.active_tool = tool self.active_tool.set_layer(self.iface.activeLayer()) def current_layer_changed(self, layer: QgsMapLayer): """ Called when the current layer changes """ self.enable_actions_for_layer(layer) if self.active_tool: self.active_tool.set_layer(layer) def editing_toggled(self, enabled: bool): """ Called when editing mode is toggled """ QTimer.singleShot( 0, partial(self.enable_actions_for_layer, self.iface.activeLayer(), enabled)) def enable_actions_for_layer(self, layer: QgsMapLayer, forced_edit_state=None): """ Toggles whether actions should be enabled for the specified layer """ is_editable = forced_edit_state if is_editable is None: if isinstance(layer, QgsVectorLayer): is_editable = layer.isEditable() else: is_editable = False for action in self.actions: if sip.isdeleted(action): continue if self.tools.get(action.data()): tool = self.tools[action.data()] action.setEnabled( tool.is_compatible_with_layer(layer, is_editable)) if tool == self.active_tool and not action.isEnabled(): self.iface.mapCanvas().unsetMapTool(tool) self.iface.actionPan().trigger()
class VertexComparePlugin(QObject): """QGIS Plugin Implementation.""" def __init__(self, iface: QgisInterface): """Constructor. :param iface: An interface instance that will be passed to this class which provides the hook by which you can manipulate the QGIS application at run time. :type iface: QgsInterface """ super().__init__() # Save reference to the QGIS interface self.iface = iface # initialize plugin directory self.plugin_dir = os.path.dirname(__file__) # initialize locale locale = QgsApplication.locale() locale_path = os.path.join(self.plugin_dir, 'i18n', '{}.qm'.format(locale)) if os.path.exists(locale_path): self.translator = QTranslator() self.translator.load(locale_path) QCoreApplication.installTranslator(self.translator) self.toolbar = None self.layer_combo = None self.actions = [] self.dock = None self.vertex_highlighter = VertexHighlighterManager() self.selection_handler = SelectionHandler(self) self.show_vertices_action = None self.show_topology_action = None self.show_dock_action = None @staticmethod def tr(message): """Get the translation for a string using Qt translation API. We implement this ourselves since we do not inherit QObject. :param message: String for translation. :type message: str, QString :returns: Translated version of message. :rtype: QString """ # noinspection PyTypeChecker,PyArgumentList,PyCallByClass return QCoreApplication.translate('VertexCompare', message) def initProcessing(self): """Create the Processing provider""" def initGui(self): """Creates application GUI widgets""" self.initProcessing() self.dock = VertexDockWidget(self.iface.mapCanvas()) self.iface.addDockWidget(Qt.RightDockWidgetArea, self.dock) self.dock.setUserVisible(False) self.toolbar = QToolBar(self.tr('Vertex Compare Toolbar')) self.toolbar.setObjectName('vertexCompareToolbar') self.iface.addToolBar(self.toolbar) self.layer_combo = QgsMapLayerComboBox() self.layer_combo.setAllowEmptyLayer(True, self.tr('Disabled')) self.layer_combo.setFilters(QgsMapLayerProxyModel.PolygonLayer | QgsMapLayerProxyModel.LineLayer) self.layer_combo.setMinimumWidth( QFontMetrics(self.layer_combo.font()).width('x') * 40) self.layer_combo.setCurrentIndex(0) self.layer_combo.layerChanged.connect(self._set_layer) self.toolbar.addWidget(self.layer_combo) self.show_vertices_action = QAction(self.tr("Show Vertex Numbers"), self) self.show_vertices_action.setIcon( GuiUtils.get_icon('show_vertex_numbers.svg')) self.show_vertices_action.setCheckable(True) self.show_vertices_action.setEnabled(False) self.actions.append(self.show_vertices_action) self.toolbar.addAction(self.show_vertices_action) self.show_vertices_action.toggled.connect( self.vertex_highlighter.set_visible) self.show_topology_action = QAction(self.tr("Compare Vertices"), self) self.show_topology_action.setIcon(GuiUtils.get_icon('topology.svg')) self.show_topology_action.setCheckable(True) self.actions.append(self.show_topology_action) self.toolbar.addAction(self.show_topology_action) self.show_topology_action.toggled.connect( self.vertex_highlighter.set_topological) self.show_dock_action = QAction(self.tr('Show Vertices'), parent=self.toolbar) self.show_dock_action.setIcon(GuiUtils.get_icon('vertex_table.svg')) self.toolbar.addAction(self.show_dock_action) self.actions.append(self.show_dock_action) self.dock.setToggleVisibilityAction(self.show_dock_action) self.selection_handler.selection_changed.connect( self._selection_changed) self.dock.label_filter_changed.connect(self.vertex_highlighter.redraw) self.dock.vertex_symbol_changed.connect(self.vertex_highlighter.redraw) self.dock.vertex_text_format_changed.connect( self.vertex_highlighter.redraw) self.dock.selected_vertex_changed.connect( self.vertex_highlighter.set_selected_vertex) def unload(self): """Removes the plugin menu item and icon from QGIS GUI.""" for a in self.actions: a.deleteLater() self.actions = [] if self.toolbar is not None: self.toolbar.deleteLater() self.toolbar = None if self.dock is not None: self.dock.deleteLater() self.dock = None def _set_layer(self, layer: Optional[QgsVectorLayer]): """ Triggered when the selected layer is changed """ self.selection_handler.set_layer(layer) self.vertex_highlighter.set_layer(layer) self.show_vertices_action.setEnabled(layer is not None) if not self.show_vertices_action.isEnabled(): self.show_vertices_action.setChecked(False) else: self.show_vertices_action.setChecked(True) self.dock.set_selection( layer, layer.selectedFeatureIds() if layer is not None else []) def _selection_changed(self, layer: Optional[QgsVectorLayer], selection: List[int]): """ Triggered when the watched layer's selection is changed """ self.dock.set_selection(layer, selection)