def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
#start logging
qosmlogging.initialize_logging()
qosmlogging.log("Initizlizing GUI")
self.settingsdialog = DialogSettings(None)
#add menu to web
self.menuObject = QMenu(self.menu)
self.menuObject.setIcon(QIcon(":/plugins/qosm/icon.png"))
tmpAction = QAction("_tmp", self.iface.mainWindow())
self.iface.addPluginToWebMenu("_tmp", tmpAction)
self._menu = self.iface.webMenu()
self._menu.addMenu(self.menuObject)
self.iface.removePluginWebMenu("_tmp", tmpAction)
self.add_action(
':/plugins/qosm/icon_newlayer.png',
text=self.tr(u'Add OSM tile layer'),
callback=self.addOSMLayer,
parent=self.iface.mainWindow())
self.add_action(
':/plugins/qosm/icon_refresh.png',
text=self.tr(u'Refresh OSM tile layers'),
callback=self.refreshOSMLayers,
parent=self.iface.mainWindow())
self.add_action(
':/plugins/qosm/icon_settings.png',
text=self.tr(u'QOSM Settings'),
callback=self.qosmSettings,
parent=self.iface.mainWindow())
self.pluginLayerType = QOSMTileLayerType(self, self.onAddOSMLayer)
QgsPluginLayerRegistry.instance().addPluginLayerType(self.pluginLayerType)
QgsMapLayerRegistry.instance().layersWillBeRemoved["QStringList"].connect(self.cleanLayerResources)
class qosm:
"""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')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'qosm_{}.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_settings = None #TODO: add settings dialog
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&QOSM')
self.toolbar = self.iface.addToolBar(u'QOSM')
self.toolbar.setObjectName(u'QOSM')
self.layers = []
# 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('qosm', 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.menuObject.addAction(action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
#start logging
qosmlogging.initialize_logging()
qosmlogging.log("Initizlizing GUI")
self.settingsdialog = DialogSettings(None)
#add menu to web
self.menuObject = QMenu(self.menu)
self.menuObject.setIcon(QIcon(":/plugins/qosm/icon.png"))
tmpAction = QAction("_tmp", self.iface.mainWindow())
self.iface.addPluginToWebMenu("_tmp", tmpAction)
self._menu = self.iface.webMenu()
self._menu.addMenu(self.menuObject)
self.iface.removePluginWebMenu("_tmp", tmpAction)
self.add_action(
':/plugins/qosm/icon_newlayer.png',
text=self.tr(u'Add OSM tile layer'),
callback=self.addOSMLayer,
parent=self.iface.mainWindow())
self.add_action(
':/plugins/qosm/icon_refresh.png',
text=self.tr(u'Refresh OSM tile layers'),
callback=self.refreshOSMLayers,
parent=self.iface.mainWindow())
self.add_action(
':/plugins/qosm/icon_settings.png',
text=self.tr(u'QOSM Settings'),
callback=self.qosmSettings,
parent=self.iface.mainWindow())
self.pluginLayerType = QOSMTileLayerType(self, self.onAddOSMLayer)
QgsPluginLayerRegistry.instance().addPluginLayerType(self.pluginLayerType)
QgsMapLayerRegistry.instance().layersWillBeRemoved["QStringList"].connect(self.cleanLayerResources)
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginWebMenu(
self.menu,
action)
self.iface.removeToolBarIcon(action)
self.iface.webMenu().removeAction(self.menuObject.menuAction())
# remove the toolbar
del self.toolbar
del self.menuObject
QgsPluginLayerRegistry.instance().removePluginLayerType(QOSMTileLayer.LAYER_TYPE)
QgsMapLayerRegistry.instance().layersWillBeRemoved["QStringList"].disconnect(self.cleanLayerResources)
@pyqtSlot()
def cleanLayerResources(self, layers):
reg = QgsMapLayerRegistry.instance()
for layerid in layers:
layer = reg.mapLayer(layerid)
if isinstance(layer, QOSMTileLayer):
layer.cleantiles()
#remove from internal cache of layers
for i in range(len(self.layers)):
if self.layers[i].id() == layerid:
self.layers.pop(i)
break
def addOSMLayer(self):
"""Adds a new OSM layer and opens the properties dialog to default settings"""
# add a new qosmtilelayer
layer = self.pluginLayerType.createLayer()
QgsMapLayerRegistry.instance().addMapLayer(layer)
self.pluginLayerType.showLayerProperties(layer, newlayer=True)
def refreshOSMLayers(self):
#manual refresh OSM Layers
for layer in self.layers:
layer.refreshtiles()
def qosmSettings(self):
self.settingsdialog.sync_dialog()
self.settingsdialog.show()
def onAddOSMLayer(self, layer):
self.layers.append(layer)