class SOSClient: """QGIS Plugin Implementation.""" def __init__(self, iface): """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 """ # Save reference to the QGIS interface self.iface = iface # initialize plugin directory self.plugin_dir = os.path.dirname(__file__) # initialize locale locale = QSettings().value('locale/userLocale') locale_path = os.path.join( self.plugin_dir, 'i18n', '{}.qm'.format(locale)) if not os.path.exists(locale_path): locale = locale.split('_')[0] 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) if qVersion() > '4.3.3': QCoreApplication.installTranslator(self.translator) # Create the dialog (after translation) and keep reference self.dlg = SOSClientDialog(iface = self.iface) # Declare instance attributes self.actions = [] self.menu = QMenu(self.tr(u'&SOS Client')) self.toolbar = self.iface.addToolBar(u'SOSClient') self.toolbar.setObjectName(u'SOSClient') # noinspection PyMethodMayBeStatic def tr(self, 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('SOSClient', message) def add_action( self, icon_path, text, callback, enabled_flag=True, add_to_menu=True, add_to_toolbar=True, status_tip=None, whats_this=None, parent=None): """Add a toolbar icon to the toolbar. :param icon_path: Path to the icon for this action. Can be a resource path (e.g. ':/plugins/foo/bar.png') or a normal file system path. :type icon_path: str :param text: Text that should be shown in menu items for this action. :type text: str :param callback: Function to be called when the action is triggered. :type callback: function :param enabled_flag: A flag indicating if the action should be enabled by default. Defaults to True. :type enabled_flag: bool :param add_to_menu: Flag indicating whether the action should also be added to the menu. Defaults to True. :type add_to_menu: bool :param add_to_toolbar: Flag indicating whether the action should also be added to the toolbar. Defaults to True. :type add_to_toolbar: bool :param status_tip: Optional text to show in a popup when mouse pointer hovers over the action. :type status_tip: str :param parent: Parent widget for the new action. Defaults None. :type parent: QWidget :param whats_this: Optional text to show in the status bar when the mouse pointer hovers over the action. :returns: The action that was created. Note that the action is also added to self.actions list. :rtype: QAction """ icon = QIcon(icon_path) action = QAction(icon, text, parent) action.triggered.connect(callback) action.setEnabled(enabled_flag) if status_tip is not None: action.setStatusTip(status_tip) if whats_this is not None: action.setWhatsThis(whats_this) if add_to_toolbar: self.toolbar.addAction(action) if add_to_menu: self.menu.addAction (action) self.actions.append(action) return action def initGui(self): """Create the menu entries and toolbar icons inside the QGIS GUI.""" self.add_action( ':/plugins/SOSClient/icon_add.png', text=self.tr(u'SOS Client'), callback=self.run, parent=self.iface.mainWindow()) self.add_action( ':/plugins/SOSClient/icon_xml.png', text=self.tr(u'Show XML'), callback=self.showLayerXml, parent=self.iface.mainWindow(), add_to_toolbar=True) self.add_action( ':/plugins/SOSClient/icon_plot.png', text=self.tr(u'Plot'), callback=self.showPlotDialog, parent=self.iface.mainWindow(), add_to_toolbar=True) self.add_action( ':/plugins/SOSClient/icon.png', text=self.tr(u'About'), callback=self.about, parent=self.iface.mainWindow(), add_to_toolbar=False) self.menu.setIcon(QIcon(':/plugins/SOSClient/icon.png')) self.iface.webMenu().addMenu (self.menu) def unload(self): """Removes the plugin menu item and icon from QGIS GUI.""" for action in self.actions: self.iface.removeToolBarIcon(action) self.iface.webMenu().removeAction(self.menu.menuAction()) def run(self): """Run method that performs all the real work""" # show the dialog self.dlg.show() # Run the dialog event loop result = self.dlg.exec_() # See if OK was pressed if result: # Do something useful here - delete the line containing pass and # substitute with your code. pass def showLayerXml (self): layer = self.iface.activeLayer() if layer == None: self.iface.messageBar().pushMessage (self.tr(u'SOS Client'),self.tr("You must select a layer"), QgsMessageBar.WARNING, 10) return xml = layer.customProperty("xml") if len (xml): dlg = XmlViewerDialog (self.iface.mainWindow(), QFile(xml), XmlHighlighter) dlg.show() dlg.exec_() else: self.iface.messageBar().pushMessage (self.tr(u'SOS Client'),self.tr("Layer have not a xml property"), QgsMessageBar.WARNING, 10) def showPlotDialog (self): try: dlg = SOSPlotDialog (self.iface.activeLayer(), parent=self.iface.mainWindow()) dlg.show() dlg.exec_() except Exception as error: self.iface.messageBar().pushMessage (self.tr(u'SOS Client'),unicode(error), QgsMessageBar.CRITICAL, 10) def about(self): #TODO QMessageBox.information(self.iface.mainWindow(), self.tr(u"About SOS Client"), self.tr(u"SOS Client Plugin<br />This plugin request observations data from OGC SOS server to create a vector layer.<br />Also provides tools to plot observations data<br /><br />Author: Rubén Mosquera Varela<br />E-mail: <a href=\"mailto:[email protected]\">[email protected]</a>"))