def initGui(self):
# CadinputWidget : this widget displays the inputs allowing numerical entry
self.inputWidget = CadInputWidget(self.iface)
# CadPointList : this stores all the points
self.cadPointList = CadPointList(self.inputWidget)
# CadpaintWidget : this widget displays graphical informations in front of the mapCanvas
self.paintWidget = CadPaintWidget(self.iface.mapCanvas(), self.inputWidget, self.cadPointList)
# CadEventFilter : this widget will filter the mouseEvents and constrain them if needed
self.eventFilter = CadEventFilter(self.iface, self.cadPointList, self.inputWidget, self.paintWidget)
#We need the canvas's viewport to track the mouse for mouseMoveEvents to happen
self.iface.mapCanvas().viewport().setMouseTracking(True)
#We install the eventFilter on the canvas's viewport to get the mouse events
self.iface.mapCanvas().viewport().installEventFilter( self.eventFilter )
#we install the eventFilter on the canvas itself to get the key events
self.iface.mapCanvas().installEventFilter( self.eventFilter )
# Create help action
self.helpAction = QAction( QIcon(":/plugins/cadinput/resources/about.png"), u"Help", self.iface.mainWindow())
self.helpAction.triggered.connect( self.doHelpAction )
# Create enable action
self.enableAction = self.inputWidget.enableAction
# Add menu and toolbars items
self.iface.addPluginToMenu(u"&CadInput", self.helpAction)
self.iface.addPluginToMenu(u"&CadInput", self.enableAction)
self.iface.addToolBarIcon(self.enableAction)
class Cad(QObject):
def __init__(self, iface):
QObject.__init__(self)
self.iface = iface
def initGui(self):
# CadinputWidget : this widget displays the inputs allowing numerical entry
self.inputWidget = CadInputWidget(self.iface)
# CadPointList : this stores all the points
self.cadPointList = CadPointList(self.inputWidget)
# CadpaintWidget : this widget displays graphical informations in front of the mapCanvas
self.paintWidget = CadPaintWidget(self.iface.mapCanvas(), self.inputWidget, self.cadPointList)
# CadEventFilter : this widget will filter the mouseEvents and constrain them if needed
self.eventFilter = CadEventFilter(self.iface, self.cadPointList, self.inputWidget, self.paintWidget)
#We need the canvas's viewport to track the mouse for mouseMoveEvents to happen
self.iface.mapCanvas().viewport().setMouseTracking(True)
#We install the eventFilter on the canvas's viewport to get the mouse events
self.iface.mapCanvas().viewport().installEventFilter( self.eventFilter )
#we install the eventFilter on the canvas itself to get the key events
self.iface.mapCanvas().installEventFilter( self.eventFilter )
# Create help action
self.helpAction = QAction( QIcon(":/plugins/cadinput/resources/about.png"), u"Help", self.iface.mainWindow())
self.helpAction.triggered.connect( self.doHelpAction )
# Create enable action
self.enableAction = self.inputWidget.enableAction
# Add menu and toolbars items
self.iface.addPluginToMenu(u"&CadInput", self.helpAction)
self.iface.addPluginToMenu(u"&CadInput", self.enableAction)
self.iface.addToolBarIcon(self.enableAction)
def unload(self):
# unload event filter
self.eventFilter.close()
self.iface.mapCanvas().viewport().removeEventFilter( self.eventFilter )
self.iface.mapCanvas().removeEventFilter( self.eventFilter )
# unload input widget
self.inputWidget.close()
self.inputWidget.deleteLater()
# unload paint widget (map canvas item)
self.paintWidget.close()
self.iface.mapCanvas().scene().removeItem(self.paintWidget)
#and remove the item menu
self.iface.removePluginMenu(u"&CadInput", self.helpAction)
self.iface.removePluginMenu(u"&CadInput", self.enableAction)
self.iface.removeToolBarIcon(self.enableAction)
def doHelpAction(self):
self.aboutWindow = CadHelp()