def run(self):
"""Run method that initialises and starts the user interface"""
# Create the dialog (after translation) and keep reference
self.dlg = NNJoinDialog(self.iface)
# Intitalise the components
self.dlg.progressBar.setValue(0.0)
self.dlg.outputDataset.setText('Result')
# Populate the input and join layer combo boxes
self.dlg.inputVectorLayer.clear()
for alayer in self.iface.legendInterface().layers():
if alayer.type() == QgsMapLayer.VectorLayer:
self.dlg.inputVectorLayer.addItem(alayer.name(), alayer.id())
self.dlg.joinVectorLayer.clear()
for alayer in self.iface.legendInterface().layers():
if alayer.type() == QgsMapLayer.VectorLayer:
self.dlg.joinVectorLayer.addItem(alayer.name(), alayer.id())
# show the dialog (needed for the messagebar cancel button)
self.dlg.show()
# Run the dialog event loop
self.dlg.exec_()
class NNJoin(object):
"""QGIS NNJoin 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',
'NNJoin_{}.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)
# Declare instance attributes
self.actions = []
self.NNJOIN = self.tr('NNJoin')
self.NNJOINAMP = self.tr('&NNJoin')
self.menu = self.NNJOIN
self.toolbar = None
# Separate toolbar for NNJoin:
#self.toolbar = self.iface.addToolBar(self.NNJOIN)
#self.toolbar.setObjectName(self.NNJOIN)
# 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('NNJoin', 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 InaSAFE 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 and self.toolbar is not None:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(
self.menu,
action)
# Add the plugin to the plugins toolbar of QGIS
self.iface.addToolBarIcon(action)
# Add the plugin to the vector toolbar of QGIS
#self.iface.addVectorToolBarIcon(action)
# Add the plugin to the vector menu of QGIS
self.iface.addPluginToVectorMenu(self.tr(self.NNJOINAMP), action)
self.actions.append(action)
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/NNJoin/nnjoin.png'
self.add_action(
icon_path,
text=self.NNJOIN,
callback=self.run,
parent=self.iface.mainWindow())
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(
self.menu,
action)
#if self.toolbar != None:
# self.iface.removeToolBarIcon(action)
self.iface.removePluginVectorMenu(self.NNJOINAMP, action)
#self.iface.removeVectorToolBarIcon(action)
self.iface.removeToolBarIcon(action)
def run(self):
"""Run method that initialises and starts the user interface"""
# Create the dialog (after translation) and keep reference
self.dlg = NNJoinDialog(self.iface)
# Intitalise the components
self.dlg.progressBar.setValue(0.0)
self.dlg.outputDataset.setText('Result')
# Populate the input and join layer combo boxes
self.dlg.inputVectorLayer.clear()
for alayer in self.iface.legendInterface().layers():
if alayer.type() == QgsMapLayer.VectorLayer:
self.dlg.inputVectorLayer.addItem(alayer.name(), alayer.id())
self.dlg.joinVectorLayer.clear()
for alayer in self.iface.legendInterface().layers():
if alayer.type() == QgsMapLayer.VectorLayer:
self.dlg.joinVectorLayer.addItem(alayer.name(), alayer.id())
# show the dialog (needed for the messagebar cancel button)
self.dlg.show()
# Run the dialog event loop
self.dlg.exec_()