def unmodalWidget(objectName, repeatTimes=10, repeatInterval=500, step=0):
"""Look for a widget in the QGIS hierarchy to set it as
not modal.
If the widget is not found try agail after a "repeatInterval"
and repeat no more that "repeatTimes"
"""
if not objectName:
return
l = QgsApplication.instance().topLevelWidgets()
for d in l:
for dd in d.findChildren(QDialog):
if dd.objectName() != objectName:
continue
dd.setWindowModality(False)
return
if repeatTimes == step:
return
# if here => not found
QTimer.singleShot(
repeatInterval, lambda: unmodalWidget(objectName, repeatTimes,
repeatInterval, step + 1))
def test_delete_feature(self):
"""
Check if a feature can be deleted properly
"""
self.createWrapper(self.vl_a, '"name"=\'Erich Gamma\'')
self.assertEqual(self.table_view.model().rowCount(), 1)
self.assertEqual(1, len([f for f in self.vl_b.getFeatures()]))
fid = next(self.vl_b.getFeatures(QgsFeatureRequest().setFilterExpression('"name"=\'Design Patterns. Elements of Reusable Object-Oriented Software\''))).id()
self.widget.featureSelectionManager().select([fid])
btn = self.widget.findChild(QToolButton, 'mDeleteFeatureButton')
def clickOk():
# Click the "Delete features" button on the confirmation message
# box
widget = self.widget.findChild(QMessageBox)
buttonBox = widget.findChild(QDialogButtonBox)
deleteButton = next((b for b in buttonBox.buttons() if buttonBox.buttonRole(b) == QDialogButtonBox.AcceptRole))
deleteButton.click()
QTimer.singleShot(1, clickOk)
btn.click()
# This is the important check that the feature is deleted
self.assertEqual(0, len([f for f in self.vl_b.getFeatures()]))
# This is actually more checking that the database on delete action is properly set on the relation
self.assertEqual(0, len([f for f in self.vl_link.getFeatures()]))
self.assertEqual(self.table_view.model().rowCount(), 0)
def test_delete_feature(self):
"""
Check if a feature can be deleted properly
"""
self.createWrapper(self.vl_a, '"name"=\'Erich Gamma\'')
self.assertEqual(self.table_view.model().rowCount(), 1)
self.assertEqual(1, len([f for f in self.vl_b.getFeatures()]))
fid = next(self.vl_b.getFeatures(QgsFeatureRequest().setFilterExpression('"name"=\'Design Patterns. Elements of Reusable Object-Oriented Software\''))).id()
self.widget.featureSelectionManager().select([fid])
btn = self.widget.findChild(QToolButton, 'mDeleteFeatureButton')
def clickOk():
# Click the "Delete features" button on the confirmation message
# box
widget = self.widget.findChild(QMessageBox)
buttonBox = widget.findChild(QDialogButtonBox)
deleteButton = next((b for b in buttonBox.buttons() if buttonBox.buttonRole(b) == QDialogButtonBox.AcceptRole))
deleteButton.click()
QTimer.singleShot(1, clickOk)
btn.click()
# This is the important check that the feature is deleted
self.assertEqual(0, len([f for f in self.vl_b.getFeatures()]))
# This is actually more checking that the database on delete action is properly set on the relation
self.assertEqual(0, len([f for f in self.vl_link.getFeatures()]))
self.assertEqual(self.table_view.model().rowCount(), 0)
def unmodalWidget(objectName, repeatTimes=10, repeatInterval=500, step=0):
"""Look for a widget in the QGIS hierarchy to set it as
not modal.
If the widget is not found try agail after a "repeatInterval"
and repeat no more that "repeatTimes"
"""
if not objectName:
return
l = QgsApplication.instance().topLevelWidgets()
for d in l:
for dd in d.findChildren(QDialog):
if dd.objectName() != objectName:
continue
dd.setWindowModality(False)
return
if repeatTimes == step:
return
# if here => not found
QTimer.singleShot(repeatInterval,
lambda: unmodalWidget(objectName, repeatTimes, repeatInterval,
step + 1))
def test_model_stop(self):
"""Test that when a model is deleted fetching query rows is also interrupted"""
md = QgsProviderRegistry.instance().providerMetadata('postgres')
conn = md.createConnection(self.uri, {})
res = conn.execSql('SELECT * FROM qgis_test.random_big_data')
self.model = QgsQueryResultModel(res)
def model_deleter():
del (self.model)
self.running = True
def loop_exiter():
self.running = False
QTimer.singleShot(1, model_deleter)
QTimer.singleShot(2, loop_exiter)
while self.running:
QCoreApplication.processEvents()
self.assertTrue(res.fetchedRowCount() > 0
and res.fetchedRowCount() < self.NUM_RECORDS)
def _dropEvent(event):
def alg_dropped(algorithm_id, pos):
alg = QgsApplication.processingRegistry().createAlgorithmById(
algorithm_id)
if alg is not None:
self._addAlgorithm(alg, pos)
else:
assert False, algorithm_id
def input_dropped(id, pos):
if id in [
param.id() for param in QgsApplication.instance().
processingRegistry().parameterTypes()
]:
self.addInputOfType(itemId, pos)
if event.mimeData().hasFormat(
'application/x-vnd.qgis.qgis.algorithmid'):
data = event.mimeData().data(
'application/x-vnd.qgis.qgis.algorithmid')
stream = QDataStream(data, QIODevice.ReadOnly)
algorithm_id = stream.readQString()
QTimer.singleShot(
0,
lambda id=algorithm_id, pos=self.view.mapToScene(event.pos(
)): alg_dropped(id, pos))
event.accept()
elif event.mimeData().hasText():
itemId = event.mimeData().text()
QTimer.singleShot(0,
lambda id=itemId, pos=self.view.mapToScene(
event.pos()): input_dropped(id, pos))
event.accept()
else:
event.ignore()
def wrapper(self):
if hasattr(self, "plugin_dock"):
plugin_dock = getattr(self, "plugin_dock")
else:
plugin_dock = self
threedi_api = getattr(plugin_dock, "threedi_api", None)
if threedi_api is None:
plugin_dock.communication.bar_info(
"Action reserved for logged in users. Logging-in...")
log_in_dialog = LogInDialog(plugin_dock)
log_in_dialog.show()
QTimer.singleShot(10, log_in_dialog.log_in_threedi)
log_in_dialog.exec_()
if log_in_dialog.LOGGED_IN:
plugin_dock.threedi_api = log_in_dialog.threedi_api
plugin_dock.current_user = log_in_dialog.user
plugin_dock.current_user_full_name = log_in_dialog.user_full_name
plugin_dock.organisations = log_in_dialog.organisations
plugin_dock.initialize_authorized_view()
else:
plugin_dock.communication.bar_warn(
"Logging-in canceled. Action aborted!")
return
return fn(self)
def test_model_stop(self):
"""Test that when a model is deleted fetching query rows is also interrupted"""
def model_deleter():
del self.model
def loop_exiter():
self.running = False
md = QgsProviderRegistry.instance().providerMetadata('postgres')
conn = md.createConnection(self.uri, {})
res = conn.execSql('SELECT * FROM qgis_test.random_big_data')
self.model = QgsQueryResultModel(res)
self.running = True
QTimer.singleShot(15, model_deleter)
QTimer.singleShot(600, loop_exiter)
while self.running:
try:
self.model.fetchMore(QModelIndex())
except:
pass
QCoreApplication.processEvents()
row_count = res.fetchedRowCount()
self.assertGreater(row_count, 0)
self.assertLess(row_count, self.NUM_RECORDS)
def animate(self):
if self.animating:
if self.nextStep():
QTimer.singleShot(500, self.animate)
else:
self.buttonPlay.setChecked(False)
self.animating = False
def keyReleaseEvent(self, event):
if event.key() in [
Qt.Key_Up, Qt.Key_Down, Qt.Key_Right, Qt.Key_Left,
Qt.Key_PageUp, Qt.Key_PageDown
]:
QTimer.singleShot(10,
self.render_widget.parent_view.canvas_changed)
def show_console():
""" called from QGIS to open the console """
global _console
if _console is None:
parent = iface.mainWindow() if iface else None
_console = PythonConsole(parent)
_console.show() # force show even if it was restored as hidden
# set focus to the console so the user can start typing
# defer the set focus event so it works also whether the console not visible yet
QTimer.singleShot(0, _console.activate)
else:
_console.setVisible(not _console.isVisible())
# set focus to the console so the user can start typing
if _console.isVisible():
_console.activate()
# Shows help on first launch of the console
settings = QgsSettings()
if settings.value('pythonConsole/contextHelpOnFirstLaunch',
True,
type=bool):
QgsHelp.openHelp(
"../pyqgis_developer_cookbook/intro.html#python-console")
settings.setValue('pythonConsole/contextHelpOnFirstLaunch', False)
return _console
def project_saved(self):
if PlanetClient.getInstance().has_api_key():
def resave():
path = QgsProject.instance().absoluteFilePath()
if path.lower().endswith(".qgs"):
with open(path) as f:
s = f.read()
with open(path, "w") as f:
f.write(s.replace(PlanetClient.getInstance().api_key(), ""))
else:
tmpfilename = path + ".temp"
qgsfilename = os.path.splitext(os.path.basename(path))[0] + ".qgs"
with zipfile.ZipFile(path, 'r') as zin:
with zipfile.ZipFile(tmpfilename, 'w') as zout:
zout.comment = zin.comment
for item in zin.infolist():
if not item.filename.lower().endswith(".qgs"):
zout.writestr(item, zin.read(item.filename))
else:
s = zin.read(item.filename).decode("utf-8")
s = s.replace(PlanetClient.getInstance().api_key(), "")
qgsfilename = item.filename
os.remove(path)
os.rename(tmpfilename, path)
with zipfile.ZipFile(path, mode='a', compression=zipfile.ZIP_DEFLATED) as zf:
zf.writestr(qgsfilename, s)
QTimer.singleShot(100, resave)
def testStoreMissingAuth(self):
"""
Test file storing with missing authentication
"""
f = self.getNewFile(b"New content")
storedContent = self.storage.store(f.name, self.url + "/" + os.path.basename(f.name))
self.assertTrue(storedContent)
self.assertEqual(storedContent.status(), Qgis.ContentStatus.NotStarted)
spyStored = QSignalSpy(storedContent.stored)
spyCanceled = QSignalSpy(storedContent.canceled)
loop = QEventLoop()
storedContent.errorOccurred.connect(loop.quit)
QTimer.singleShot(1, lambda: storedContent.store())
loop.exec()
self.assertEqual(storedContent.status(), Qgis.ContentStatus.Failed)
self.assertTrue(storedContent.errorString())
self.assertFalse(storedContent.url())
QCoreApplication.processEvents()
self.assertEqual(len(spyStored), 0)
self.assertEqual(len(spyCanceled), 0)
def checkTask(self):
if isProgressCanceled():
self.ok = True
self.canceled = True
closeProgressBar()
self.taskIsFinished.emit()
return
self.response = self.connector.getHttp("tasks/{}".format(
str(self.taskId)))
if self.response["status"] in ["COMPLETE"]:
self.ok = True
closeProgressBar()
self.taskIsFinished.emit()
elif self.response["status"] in ["FAILED", "ABORTED"]:
self.ok = False
closeProgressBar()
self.taskIsFinished.emit()
else:
try:
progressAmount = str(self.response["progress"]["progress"])
if self.maxvalue:
try:
setProgressValue(float(progressAmount))
except:
text = "%s [%s]" % (self.text, progressAmount)
setProgressText(text)
else:
text = "%s [%s]" % (self.text, progressAmount)
setProgressText(text)
except KeyError:
pass
QTimer.singleShot(500, self.checkTask)
def editing_toggled(self, enabled: bool):
"""
Called when editing mode is toggled
"""
QTimer.singleShot(
0,
partial(self.enable_actions_for_layer, self.iface.activeLayer(),
enabled))
def canvasPressEvent(self, event):
self.update_pixel_value_to_widget(event)
# restart point tool
self.clean()
self.render_widget.canvas.unsetMapTool(self)
# delay some ms before restore maptool
QTimer.singleShot(
180, lambda: self.render_widget.canvas.setMapTool(
self.render_widget.pan_zoom_tool))
def showEvent(self, event):
"""
Notifies if there are not entity configuration objects defined.
:param event: Window event
:type event: QShowEvent
"""
QTimer.singleShot(500, self.check_entity_config)
return QDialog.showEvent(self, event)
def dispatch_parallel(self, delay=0.1, delay_offset=0.001, n_parallel=1):
for i in range(n_parallel):
if not self.count_active() < self.n_parallel: return
n_active = self._reserve()
print_qgis("dispatch con", n_active)
if n_active == 1:
print_qgis("dispatch con emit")
self._emit_progress_start()
d = delay * i + delay_offset
QTimer.singleShot(d, self._dispatch)
def test_full_failure(self):
"""Test failing request"""
# need to import here so that there's already an initialized QGIS app
from quick_api.gui.quick_api_dialog import QuickApiDialog
from quick_api.core.maptool import PointTool
# first set up a project
CRS = QgsCoordinateReferenceSystem.fromEpsgId(3857)
project = QgsProject.instance()
project.setCrs(CRS)
CANVAS.setExtent(QgsRectangle(258889, 7430342, 509995, 7661955))
CANVAS.setDestinationCrs(CRS)
# Create and open the dialog
dlg = QuickApiDialog(IFACE)
dlg.open()
self.assertTrue(dlg.isVisible())
# Click the map button which should hide the dialog
map_button: QPushButton = dlg.map_button
QTest.mouseClick(map_button, Qt.LeftButton)
self.assertFalse(dlg.isVisible())
self.assertIsInstance(CANVAS.mapTool(), PointTool)
# Click in the map canvas, which should return the clicked coord,
# make the dialog visible again
map_releases = QgsMapMouseEvent(
CANVAS,
QEvent.MouseButtonRelease,
QPoint(0, 0), # Relative to the canvas' dimensions
Qt.LeftButton,
Qt.LeftButton,
Qt.NoModifier,
)
dlg.point_tool.canvasReleaseEvent(map_releases)
self.assertRegex(dlg.lineedit_xy.text(), r"^(\d+\.\d+.+\d+\.\d+)$")
self.assertTrue(dlg.isVisible())
# Clicking the OK button should result in a QMessageBox.critical dialog
def handle_msgbox():
msgbox: QMessageBox = QApplication.activeWindow()
self.assertIsInstance(msgbox, QMessageBox)
self.assertIn("Unable to geocode", msgbox.text())
QTest.mouseClick(msgbox.button(QMessageBox.Ok), Qt.LeftButton)
# Time the MsgBox test to 7000 ms after clicking
# the OK button (Nominatim rate limiting for ~6 secs..)
QTimer.singleShot(7000, handle_msgbox)
QTest.mouseClick(dlg.button_box.button(QDialogButtonBox.Ok),
Qt.LeftButton)
# No layers produced
layers = project.mapLayers(validOnly=True)
self.assertEqual(len(layers), 0)
def showEvent(self, event):
"""
(Re)load map layers in the viewer and main canvas.
:param event: Window event
:type event: QShowEvent
"""
self.setEnabled(True)
if QTimer is not None:
QTimer.singleShot(200, self.init_mirror_map)
return QMainWindow.showEvent(self, event)
def checkTask(self):
r = requests.get(self.url, stream=True)
r.raise_for_status()
self.response = r.json()
if self.response["task"]["status"] == "FINISHED":
self.ok = True
self.taskIsFinished.emit()
elif self.response["task"]["status"] == "FAILED":
self.ok = False
self.taskIsFinished.emit()
else:
QTimer.singleShot(500, self.checkTask)
def connectDevice(self):
result = False
if self.host is None:
result = self.iodevice.bind(self.port)
else:
ha = QHostAddress(self.host)
result = self.iodevice.bind(ha, self.port)
if result is False:
if self.reconnect > 0:
QTimer.singleShot(self.reconnect, self.onReconnectTimer)
else:
self.deviceConnected.emit(True)
def on_log_in(self):
"""Handle logging-in."""
log_in_dialog = LogInDialog(self)
log_in_dialog.show()
QTimer.singleShot(10, log_in_dialog.log_in_threedi)
log_in_dialog.exec_()
if log_in_dialog.LOGGED_IN:
self.threedi_api = log_in_dialog.threedi_api
self.current_user = log_in_dialog.user
self.current_user_full_name = log_in_dialog.user_full_name
self.organisations = log_in_dialog.organisations
self.initialize_authorized_view()
def testStoreWithoutFileName(self):
"""
Test file storing and fetching
"""
f = self.getNewFile(b"New content")
# store
storedContent = self.storage.store(f.name, self.url + "/",
self.auth_config.id())
self.assertTrue(storedContent)
self.assertEqual(storedContent.status(), Qgis.ContentStatus.NotStarted)
spyErrorOccurred = QSignalSpy(storedContent.errorOccurred)
spyProgressChanged = QSignalSpy(storedContent.progressChanged)
loop = QEventLoop()
storedContent.stored.connect(loop.quit)
storedContent.errorOccurred.connect(loop.quit)
QTimer.singleShot(1, lambda: storedContent.store())
loop.exec()
self.assertEqual(len(spyErrorOccurred), 0)
self.assertFalse(storedContent.errorString())
self.assertEqual(storedContent.url(),
self.url + "/" + os.path.basename(f.name))
self.assertEqual(storedContent.status(), Qgis.ContentStatus.Finished)
self.assertTrue(len(spyProgressChanged) > 0)
self.assertEqual(spyProgressChanged[-1][0], 100)
# fetch
fetchedContent = self.storage.fetch(
self.url + "/" + os.path.basename(f.name), self.auth_config.id())
self.assertTrue(fetchedContent)
self.assertEqual(fetchedContent.status(),
Qgis.ContentStatus.NotStarted)
spyErrorOccurred = QSignalSpy(fetchedContent.errorOccurred)
loop = QEventLoop()
fetchedContent.fetched.connect(loop.quit)
fetchedContent.errorOccurred.connect(loop.quit)
QTimer.singleShot(1, lambda: fetchedContent.fetch())
loop.exec()
self.assertEqual(len(spyErrorOccurred), 0)
self.assertEqual(fetchedContent.status(), Qgis.ContentStatus.Finished)
self.assertFalse(fetchedContent.errorString())
self.assertTrue(fetchedContent.filePath())
self.checkContent(fetchedContent.filePath(), b"New content")
self.assertEqual(
os.path.splitext(fetchedContent.filePath())[1], '.txt')
def freeze_set(self, val, from_resize=False, delay=False):
"""Zarządza blokadą odświeżania dockwidget'u."""
if val and self.freeze:
# Blokada jest już włączona
return
if not val and not self.freeze:
# Blokada jest już wyłączona
return
if val and not self.freeze:
# Zablokowanie odświeżania dockwidget'u:
if from_resize and not self.resizing:
# Wejście w tryb zmiany rozmiaru dockwidget'u:
self.resizing = True
if not from_resize and not self.changing:
# Wejście w tryb zmiany zawartości paneli:
self.changing = True
# Włączenie blokady:
self.freeze = True
if delay:
QTimer.singleShot(300, self.freeze_start)
else:
self.freeze_start()
elif not val and self.changing and self.freeze:
QTimer.singleShot(300, self.changing_stop)
elif not val and not self.changing and not self.resizing:
if delay:
QTimer.singleShot(300, self.freeze_end)
else:
QTimer.singleShot(300, self.freeze_end)
def set_user_input_widget(self, widget):
"""
Sets the user input widget
"""
# because of a qgis bug, we need to delay this call until the previous widget has been completely deleted
# see fix in https://github.com/qgis/QGIS/pull/39658
def _deferred_set_user_input_widget(_widget):
self.iface.addUserInputWidget(_widget)
_widget.setFocus(Qt.TabFocusReason)
# add the user input widget only after the end of the current event loop
QTimer.singleShot(1, partial(_deferred_set_user_input_widget, widget))
def focus(self):
"""Adjust to the tile extent in all view widgets in main dialog"""
# focus to extent with a bit of buffer
from ThRasE.gui.main_dialog import ThRasEDialog
buffer = (self.ymax - self.ymin) * 0.01
extent_with_buffer = QgsRectangle(self.xmin-buffer, self.ymin-buffer, self.xmax+buffer, self.ymax+buffer)
[view_widget.render_widget.update_canvas_to(extent_with_buffer) for view_widget in ThRasEDialog.view_widgets
if view_widget.is_active]
self.show()
from ThRasE.thrase import ThRasE
if not ThRasE.dialog.currentTileKeepVisible.isChecked():
QTimer.singleShot(1200, self.hide)
def draw_point(point, rubber_band=None, color=QColor(255, 0, 0, 100), width=3, duration_time=None, is_new=False):
"""
:param duration_time: integer milliseconds ex: 3000 for 3 seconds
"""
rubber_band.reset(0)
rubber_band.setIconSize(10)
rubber_band.setColor(color)
rubber_band.setWidth(width)
rubber_band.addPoint(point)
# wait to simulate a flashing effect
if duration_time is not None:
QTimer.singleShot(duration_time, rubber_band.reset)
def connectDevice(self):
if not self.serialPort:
return
self.iodevice.setPortName(self.serialPort)
self.iodevice.setBaudRate(self.baudrate)
self.iodevice.setDataBits(self.databits)
self.iodevice.setParity(self.parity)
self.iodevice.setStopBits(self.stopbits)
self.iodevice.setFlowControl(self.flowControl)
if not self.iodevice.open(QIODevice.ReadOnly):
if self.reconnect > 0:
QTimer.singleShot(self.reconnect, self.onReconnectTimer)
else:
self.deviceConnected.emit(True)
def draw_polyline(points, rubber_band, color=QColor(255, 0, 0, 100), width=5, duration_time=None):
""" Draw 'line' over canvas following list of points
:param duration_time: integer milliseconds ex: 3000 for 3 seconds
"""
rubber_band.setIconSize(20)
polyline = QgsGeometry.fromPolylineXY(points)
rubber_band.setToGeometry(polyline, None)
rubber_band.setColor(color)
rubber_band.setWidth(width)
rubber_band.show()
# wait to simulate a flashing effect
if duration_time is not None:
QTimer.singleShot(duration_time, rubber_band.reset)
def restoreGui(self):
"""Reset the GUI to its initial state."""
QTimer.singleShot(1000, lambda: self.dlg.pageBar.setValue(0))
# QTimer.singleShot(1000, lambda: self.dlg.updateBar.setValue(0))
self.dlg.printinglabel.setText('')
# Reset standardbuttons and their functions and labels
self.dlg.buttonBox.rejected.disconnect(self.stopProcessing)
self.dlg.buttonBox.rejected.connect(self.dlg.reject)
self.dlg.btnCancel.hide()
self.dlg.btnClose.show()
QApplication.restoreOverrideCursor()
self.dlg.exportButton.setEnabled(True)
self.arret = False
def restoreGui(self):
"""Reset the GUI to its initial state."""
QTimer.singleShot(1000, lambda: self.dlg.pageBar.setValue(0))
self.dlg.printinglabel.setText('')
self.dlg.printinglabel.hide()
# Reset standardbuttons and their functions and labels
self.dlg.buttonBox.rejected.disconnect(self.stopProcessing)
self.dlg.buttonBox.rejected.connect(self.dlg.reject)
self.dlg.btnCancel.hide()
self.dlg.btnClose.show()
QApplication.restoreOverrideCursor()
self.dlg.exportButton.setEnabled(True)
self.arret = False
def project_saved(self):
if PlanetClient.getInstance().has_api_key():
def resave():
try:
path = QgsProject.instance().absoluteFilePath()
if path.lower().endswith(".qgs"):
with open(path, encoding='utf-8') as f:
s = f.read()
with open(path, "w", encoding='utf-8') as f:
f.write(
s.replace(PlanetClient.getInstance().api_key(),
""))
else:
tmpfilename = path + ".temp"
qgsfilename = os.path.splitext(
os.path.basename(path))[0] + ".qgs"
with zipfile.ZipFile(path, 'r') as zin:
with zipfile.ZipFile(tmpfilename, 'w') as zout:
zout.comment = zin.comment
for item in zin.infolist():
if not item.filename.lower().endswith(
".qgs"):
zout.writestr(item,
zin.read(item.filename))
else:
s = zin.read(
item.filename).decode("utf-8")
s = s.replace(
PlanetClient.getInstance().api_key(
), "")
qgsfilename = item.filename
os.remove(path)
os.rename(tmpfilename, path)
with zipfile.ZipFile(
path, mode='a',
compression=zipfile.ZIP_DEFLATED) as zf:
zf.writestr(qgsfilename, s)
except Exception:
QMessageBox.warning(
self.iface.mainWindow(
"Error saving project",
"There was an error while removing API keys from QGIS project file.\n"
"The project that you have just saved might contain Planet API keys in plain text."
))
QTimer.singleShot(100, resave)
def show_console():
""" called from QGIS to open the console """
global _console
if _console is None:
parent = iface.mainWindow() if iface else None
_console = PythonConsole(parent)
_console.show() # force show even if it was restored as hidden
# set focus to the console so the user can start typing
# defer the set focus event so it works also whether the console not visible yet
QTimer.singleShot(0, _console.activate)
else:
_console.setVisible(not _console.isVisible())
# set focus to the console so the user can start typing
if _console.isVisible():
_console.activate()
return _console
def show_console():
""" called from QGIS to open the console """
global _console
if _console is None:
parent = iface.mainWindow() if iface else None
_console = PythonConsole(parent)
_console.show() # force show even if it was restored as hidden
# set focus to the console so the user can start typing
# defer the set focus event so it works also whether the console not visible yet
QTimer.singleShot(0, _console.activate)
else:
_console.setVisible(not _console.isVisible())
# set focus to the console so the user can start typing
if _console.isVisible():
_console.activate()
return _console
def highlight(self, point):
currExt = self.canvas.extent()
leftPt = QgsPoint(currExt.xMinimum(), point.y())
rightPt = QgsPoint(currExt.xMaximum(), point.y())
topPt = QgsPoint(point.x(), currExt.yMaximum())
bottomPt = QgsPoint(point.x(), currExt.yMinimum())
horizLine = QgsGeometry.fromPolyline( [ leftPt , rightPt ] )
vertLine = QgsGeometry.fromPolyline( [ topPt , bottomPt ] )
self.crossRb.reset(QgsWkbTypes.LineGeometry)
self.crossRb.addGeometry(horizLine, None)
self.crossRb.addGeometry(vertLine, None)
QTimer.singleShot(700, self.resetRubberbands)
def loadPreview(self, item):
if item == self.item and not self.dirty:
return
if item is None:
return
self._clear()
if isinstance(item, Table) and item.type in [Table.VectorType, Table.RasterType]:
# update the preview, but first let the manager chance to show the canvas
def runPrev():
return self._loadTablePreview(item)
QTimer.singleShot(50, runPrev)
else:
return
self.item = item
self.item.aboutToChange.connect(self.setDirty)
def show_console():
""" called from QGIS to open the console """
global _console
if _console is None:
parent = iface.mainWindow() if iface else None
_console = PythonConsole(parent)
_console.show() # force show even if it was restored as hidden
# set focus to the console so the user can start typing
# defer the set focus event so it works also whether the console not visible yet
QTimer.singleShot(0, _console.activate)
else:
_console.setVisible(not _console.isVisible())
# set focus to the console so the user can start typing
if _console.isVisible():
_console.activate()
## Shows help on first launch of the console
settings = QSettings()
if settings.value('pythonConsole/contextHelpOnFirstLaunch', True, type=bool):
QgsContextHelp.run("PythonConsole")
settings.setValue('pythonConsole/contextHelpOnFirstLaunch', False)
return _console
def _dropEvent(event):
def alg_dropped(algorithm_id, pos):
alg = QgsApplication.processingRegistry().createAlgorithmById(algorithm_id)
if alg is not None:
self._addAlgorithm(alg, pos)
else:
assert False, algorithm_id
def input_dropped(id, pos):
if id in [param.id() for param in QgsApplication.instance().processingRegistry().parameterTypes()]:
self.addInputOfType(itemId, pos)
if event.mimeData().hasFormat('application/x-vnd.qgis.qgis.algorithmid'):
data = event.mimeData().data('application/x-vnd.qgis.qgis.algorithmid')
stream = QDataStream(data, QIODevice.ReadOnly)
algorithm_id = stream.readQString()
QTimer.singleShot(0, lambda id=algorithm_id, pos=self.view.mapToScene(event.pos()): alg_dropped(id, pos))
event.accept()
elif event.mimeData().hasText():
itemId = event.mimeData().text()
QTimer.singleShot(0, lambda id=itemId, pos=self.view.mapToScene(event.pos()): input_dropped(id, pos))
event.accept()
else:
event.ignore()
def waitAfterRenderComplete(self, painter=None):
"""When the map canvas signals renderComplete, wait defined millisec until next animation step"""
if self.saveAnimation: # make animation/export run as fast as possible
self.playAnimation(painter)
else:
QTimer.singleShot(self.animationFrameLength, self.playAnimation)