class LDMPPlugin:
"""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 and translation
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'LDMP_{}.qm'.format(locale))
QgsMessageLog.logMessage('Using locale "{}" in path {}.'.format(locale,
locale_path), tag="LDMP", level=QgsMessageLog.INFO)
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
QgsMessageLog.logMessage("Translator installed.", tag="LDMP",
level=QgsMessageLog.INFO)
# Declare instance attributes
self.actions = []
self.menu = QApplication.translate('LDMP', u'&Land Degradation Monitoring Toolbox')
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'LDMP')
self.toolbar.setObjectName(u'LDMP')
self.dlg_settings = DlgSettings()
self.dlg_download = DlgDownload()
self.dlg_calculate = DlgCalculate()
self.dlg_jobs = DlgJobs()
self.dlg_timeseries = DlgTimeseries()
self.dlg_reporting = DlgReporting()
self.dlg_about = DlgAbout()
# 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('LDMP', 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.iface.addPluginToWebMenu(
self.menu,
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/LDMP/icons/icon-wrench.png',
text=QApplication.translate('LDMP', u'Settings'),
callback=self.run_settings,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'LDMT Settings'))
self.add_action(
':/plugins/LDMP/icons/icon-globe.png',
text=QApplication.translate('LDMP', u'Download data'),
callback=self.run_download,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'Download land degradation datasets'))
self.add_action(
':/plugins/LDMP/icons/icon-calculator.png',
text=QApplication.translate('LDMP', u'Calculate indicators'),
callback=self.run_calculate,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'Calculate land degradation indicators'))
self.add_action(
':/plugins/LDMP/icons/icon-graph.png',
text=QApplication.translate('LDMP', u'Plot data'),
callback=self.run_plot,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'Plot timeseries datasets'))
self.add_action(
':/plugins/LDMP/icons/icon-cloud-download.png',
text=QApplication.translate('LDMP', u'View Google Earth Engine tasks'),
callback=self.get_jobs,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'View cloud processing tasks'))
self.add_action(
':/plugins/LDMP/icons/icon-chart.png',
text=QApplication.translate('LDMP', u'Reporting tool'),
callback=self.run_reporting,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'Land degradation reporting'))
self.add_action(
':/plugins/LDMP/icons/icon-info.png',
text=QApplication.translate('LDMP', u'About'),
callback=self.run_about,
parent=self.iface.mainWindow(),
status_tip=QApplication.translate('LDMP', 'About the land degradation monitoring toolbox'))
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginWebMenu(
QApplication.translate('LDMP', u'&Land Degradation Monitoring Toolbox'),
action)
self.iface.removeToolBarIcon(action)
# remove the toolbar
del self.toolbar
def run_settings(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg_settings.show()
# Run the dialog event loop
result = self.dlg_settings.exec_()
# See if OK was pressed
if result:
pass
def run_download(self):
"""Run method that performs all the real work"""
# # show the dialog
# self.dlg_download.show()
# # Run the dialog event loop
# result = self.dlg_download.exec_()
# # See if OK was pressed
# if result:
# pass
QMessageBox.critical(None, QApplication.translate('LDMP', "Error"),
QApplication.translate('LDMP', "Raw data download coming soon!"), None)
def run_calculate(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg_calculate.show()
# Run the dialog event loop
result = self.dlg_calculate.exec_()
# See if OK was pressed
if result:
pass
def get_jobs(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg_jobs.show()
# Run the dialog event loop
result = self.dlg_jobs.exec_()
# See if OK was pressed
if result:
pass
def run_plot(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg_timeseries.show()
# Run the dialog event loop
result = self.dlg_timeseries.exec_()
# See if OK was pressed
if result:
pass
def run_reporting(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg_reporting.show()
# Run the dialog event loop
result = self.dlg_reporting.exec_()
# See if OK was pressed
if result:
pass
def run_about(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg_about.show()
# Run the dialog event loop
result = self.dlg_about.exec_()
# See if OK was pressed
if result:
pass