class ImaerWriterDialogTest(unittest.TestCase):
"""Test dialog works."""
def setUp(self):
"""Runs before each test."""
self.dialog = ImaerWriterDialog(None)
def tearDown(self):
"""Runs after each test."""
self.dialog = None
def test_dialog_ok(self):
"""Test we can click OK."""
button = self.dialog.button_box.button(QDialogButtonBox.Ok)
button.click()
result = self.dialog.result()
self.assertEqual(result, QDialog.Accepted)
def test_dialog_cancel(self):
"""Test we can click cancel."""
button = self.dialog.button_box.button(QDialogButtonBox.Cancel)
button.click()
result = self.dialog.result()
self.assertEqual(result, QDialog.Rejected)
def setUp(self):
"""Runs before each test."""
self.dialog = ImaerWriterDialog(None)
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(os.path.abspath(__file__))
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'ImaerWriter_{}.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 = ImaerWriterDialog()
# add some necessary signal and slot communication as well as disable the save button for now
self.dlg.cancel_save_button_box.button(QDialogButtonBox.Save).setEnabled(False)
QObject.connect(self.dlg.fileBrowseButton, SIGNAL("clicked()"), self.chooseFile)
QObject.connect(self.dlg.gmlFileNameBox, SIGNAL("textChanged(QString)"), self.gmlFileNameBoxChanged)
QObject.connect(self.dlg.helpButton, SIGNAL("clicked()"), self.showHelp)
#QObject.connect(self.dlg.point_oggLogo, SIGNAL("clicked()"), self.showOGG)
#QObject.connect(self.dlg.line_oggLogo, SIGNAL("clicked()"), self.showOGG)
#QObject.connect(self.dlg.polygon_oggLogo, SIGNAL("clicked()"), self.showOGG)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&IMAERwriter')
self.toolbar = self.iface.addToolBar(u'IMAERwriter')
self.toolbar.setObjectName(u'IMAERwriter')
self.imaerInstance = imaer.ImaerWrite()
self.uiFeatureTypes = ['point','line','polygon']
self.qElements = {}
### update and add UI elements from object properties ###
# first generic ui-elements
self.emissionSourceTypes = self.imaerInstance.EmissionSourceTypes
for uiFT in self.uiFeatureTypes:
self.qElements['%sSourceTypeCombo' % uiFT] = getattr(self.dlg,'%sSourceTypeCombo' % uiFT)
self.qElements['%sSourceTypeCombo' % uiFT].addItems(self.emissionSourceTypes)
self.qElements['%sSourceTypeCombo' % uiFT].addItem('from column: source')
QObject.connect(self.qElements['%sSourceTypeCombo' % uiFT],SIGNAL("currentIndexChanged(QString)"), getattr(self, 'update_%sEmissionSource' % uiFT))
QObject.connect(getattr(self.dlg, '%sDataCombo' % uiFT), SIGNAL("currentIndexChanged(QString)"), getattr(self, 'update_%sUIelements' % uiFT))
QObject.connect(getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT), SIGNAL("stateChanged(int)"), getattr(self, 'update_%sEmissionSourceCharacteristicsUIelements' % uiFT))
getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT).setEnabled(True)
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceType = False, emissionSourceCharacteristics = False) # gets the generic uiFields
uiFieldDef.update(self.imaerInstance.getUiFields(emissionSourceType = False, emissionSourceCharacteristics = True)) # and the emissionSourceCharacteristics as well
for uiFT in self.uiFeatureTypes:
for objectName, fields in uiFieldDef.items():
for field in fields[0] + fields[1]:
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ] = QComboBox()
layout = getattr(self.dlg, '%s%sLayout' % (uiFT, objectName) )
layout.addRow(field,self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ])
getattr(self.dlg, '%sEmissionWidget' % uiFT ).setVisible( True )
getattr(self.dlg, '%sEmissionSourceCharacteristicsWidget' % uiFT ).setVisible( False )
getattr(self.dlg, '%sGroupBox' % uiFT ).setVisible( False )
# then for the supported emissionSourceTypes
# add all fields to qElements and to widgets. Hide and show %s_%s_sourceWidget's as needed.
for emissionSourceType in self.emissionSourceTypes:
for uiFT in self.uiFeatureTypes:
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceType = emissionSourceType, emissionSourceCharacteristics = False ) # gets the uiFields for the specific emissionSourceType
self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ] = QWidget()
self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ].setVisible(False)
getattr(self.dlg,'%sSourceContainerLayout' % uiFT).addWidget(self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ])
self.qElements['%s_%s_formLayout' % (uiFT,emissionSourceType) ] = QFormLayout()
self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ].setLayout(self.qElements['%s_%s_formLayout' % (uiFT,emissionSourceType) ])
for objectName, fields in uiFieldDef.items():
for field in fields[0] + fields[1]:
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ] = QComboBox()
self.qElements['%s_%s_formLayout' % (uiFT,emissionSourceType) ].addRow(field,self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ])
class ImaerWriter:
"""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(os.path.abspath(__file__))
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'ImaerWriter_{}.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 = ImaerWriterDialog()
# add some necessary signal and slot communication as well as disable the save button for now
self.dlg.cancel_save_button_box.button(QDialogButtonBox.Save).setEnabled(False)
QObject.connect(self.dlg.fileBrowseButton, SIGNAL("clicked()"), self.chooseFile)
QObject.connect(self.dlg.gmlFileNameBox, SIGNAL("textChanged(QString)"), self.gmlFileNameBoxChanged)
QObject.connect(self.dlg.helpButton, SIGNAL("clicked()"), self.showHelp)
#QObject.connect(self.dlg.point_oggLogo, SIGNAL("clicked()"), self.showOGG)
#QObject.connect(self.dlg.line_oggLogo, SIGNAL("clicked()"), self.showOGG)
#QObject.connect(self.dlg.polygon_oggLogo, SIGNAL("clicked()"), self.showOGG)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&IMAERwriter')
self.toolbar = self.iface.addToolBar(u'IMAERwriter')
self.toolbar.setObjectName(u'IMAERwriter')
self.imaerInstance = imaer.ImaerWrite()
self.uiFeatureTypes = ['point','line','polygon']
self.qElements = {}
### update and add UI elements from object properties ###
# first generic ui-elements
self.emissionSourceTypes = self.imaerInstance.EmissionSourceTypes
for uiFT in self.uiFeatureTypes:
self.qElements['%sSourceTypeCombo' % uiFT] = getattr(self.dlg,'%sSourceTypeCombo' % uiFT)
self.qElements['%sSourceTypeCombo' % uiFT].addItems(self.emissionSourceTypes)
self.qElements['%sSourceTypeCombo' % uiFT].addItem('from column: source')
QObject.connect(self.qElements['%sSourceTypeCombo' % uiFT],SIGNAL("currentIndexChanged(QString)"), getattr(self, 'update_%sEmissionSource' % uiFT))
QObject.connect(getattr(self.dlg, '%sDataCombo' % uiFT), SIGNAL("currentIndexChanged(QString)"), getattr(self, 'update_%sUIelements' % uiFT))
QObject.connect(getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT), SIGNAL("stateChanged(int)"), getattr(self, 'update_%sEmissionSourceCharacteristicsUIelements' % uiFT))
getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT).setEnabled(True)
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceType = False, emissionSourceCharacteristics = False) # gets the generic uiFields
uiFieldDef.update(self.imaerInstance.getUiFields(emissionSourceType = False, emissionSourceCharacteristics = True)) # and the emissionSourceCharacteristics as well
for uiFT in self.uiFeatureTypes:
for objectName, fields in uiFieldDef.items():
for field in fields[0] + fields[1]:
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ] = QComboBox()
layout = getattr(self.dlg, '%s%sLayout' % (uiFT, objectName) )
layout.addRow(field,self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ])
getattr(self.dlg, '%sEmissionWidget' % uiFT ).setVisible( True )
getattr(self.dlg, '%sEmissionSourceCharacteristicsWidget' % uiFT ).setVisible( False )
getattr(self.dlg, '%sGroupBox' % uiFT ).setVisible( False )
# then for the supported emissionSourceTypes
# add all fields to qElements and to widgets. Hide and show %s_%s_sourceWidget's as needed.
for emissionSourceType in self.emissionSourceTypes:
for uiFT in self.uiFeatureTypes:
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceType = emissionSourceType, emissionSourceCharacteristics = False ) # gets the uiFields for the specific emissionSourceType
self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ] = QWidget()
self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ].setVisible(False)
getattr(self.dlg,'%sSourceContainerLayout' % uiFT).addWidget(self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ])
self.qElements['%s_%s_formLayout' % (uiFT,emissionSourceType) ] = QFormLayout()
self.qElements['%s_%s_sourceWidget' % (uiFT,emissionSourceType) ].setLayout(self.qElements['%s_%s_formLayout' % (uiFT,emissionSourceType) ])
for objectName, fields in uiFieldDef.items():
for field in fields[0] + fields[1]:
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ] = QComboBox()
self.qElements['%s_%s_formLayout' % (uiFT,emissionSourceType) ].addRow(field,self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ])
# 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('ImaerWriter', 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.addPluginToMenu(
self.menu,
action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/ImaerWriter/icon.png'
self.add_action(
icon_path,
text=self.tr(u'Export IMAER gml'),
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.tr(u'&IMAERwriter'),
action)
self.iface.removeToolBarIcon(action)
del self.toolbar
def log(self, msg):
QgsMessageLog.logMessage(str(msg), 'IMAERwriter', QgsMessageLog.INFO)
def transformGeometry(self, geom, coordTrans):
"""helper function to transform geometries"""
for i in range(geom.exportToWkt().count(',')):
vertex = coordTrans.transform(geom.vertexAt(i))
geom.moveVertex(vertex.x(), vertex.y(), i)
def run(self):
"""Run method that does all the real work"""
#Add layers to the layer selectors
layers = QgsMapLayerRegistry.instance().mapLayers()
for uiFT in self.uiFeatureTypes:
getattr(self.dlg, '%sDataCombo' % uiFT).clear()
getattr(self.dlg, '%sDataCombo' % uiFT).addItem('') # so the user can choose no layer if he wants
for name,layer in layers.iteritems():
if type(layer) == QgsVectorLayer:
if layer.geometryType() == QGis.Point:
self.dlg.pointDataCombo.addItem(layer.name())
if layer.geometryType() == QGis.Line:
self.dlg.lineDataCombo.addItem(layer.name())
if layer.geometryType() == QGis.Polygon:
self.dlg.polygonDataCombo.addItem(layer.name())
self.dlg.show()
# Run the dialog event loop
result = self.dlg.exec_()
# See if OK was pressed
if result:
#QgsMessageLog.logMessage('Started export', 'IMAER-writer', QgsMessageLog.INFO)
self.imaerFeatures = []
crsDest = QgsCoordinateReferenceSystem(28992, QgsCoordinateReferenceSystem.EpsgCrsId )
for uiFT in self.uiFeatureTypes:
layerName = getattr(self.dlg, '%sDataCombo' % uiFT ).currentText()
if not layerName == '':
myLayer = QgsMapLayerRegistry.instance().mapLayersByName(layerName)[0]
# set up transformation to EPSG:28992 if needed
crsSrc = myLayer.crs()
if not crsSrc == crsDest:
xform = QgsCoordinateTransform(crsSrc, crsDest)
else:
xform = False
# use only selected features
numFeatures = myLayer.selectedFeatureCount ()
if numFeatures == 0:
features = myLayer.getFeatures()
numFeatures = myLayer.featureCount()
else:
features = myLayer.selectedFeatures()
# get the fieldnames from the layer to use in the mapping
myProvider = myLayer.dataProvider()
fieldNames = myProvider.fieldNameMap().keys()
# get the Imaer fields to use in the mapping
sourceType = self.qElements['%sSourceTypeCombo' % uiFT].currentText()
if sourceType == 'from column: source':
uiFieldDef = []
else:
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceType = sourceType,
emissionSourceCharacteristics = (getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT).isChecked()) )
uiFieldDef.update(self.imaerInstance.getUiFields(False, False))
# set up progress bar in case we have a lot of features
self.iface.mainWindow().statusBar().clearMessage()
progressMessageBar = self.iface.messageBar().createMessage(self.tr(u"Export to gml ..."))
progress = QProgressBar()
progress.setMaximum(numFeatures)
progress.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
progressMessageBar.layout().addWidget(progress)
self.iface.messageBar().pushWidget(progressMessageBar, self.iface.messageBar().INFO)
for i, feature in enumerate(features):
progress.setValue(i)
percentageDone = i / float(numFeatures) * 100
# first handle geometry
geom = feature.geometry()
if xform:
self.transformGeometry(geom, xform)
if (not geom.isMultipart()) and geom.isGeosValid():
# then gather arguments for EmissionSourceCharacteristics and EmissionSource object
# by mapping the layer fields to imaer properties
args = {}
if sourceType == 'from column: source':
sourceType = feature['source']
uiFieldDef = self.imaerInstance.getUiFields(sourceType, emissionSourceCharacteristics = True)
uiFieldDef.update(self.imaerInstance.getUiFields(False, False))
for objectName, fields in uiFieldDef.items():
args[objectName] = {}
for field in fields[0] + fields[1]: #required + optional fields
if sourceType == 'from column: source':
attrFieldName = field
else:
attrFieldName = self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ].currentText()
if not attrFieldName == '':
args[objectName][field] = feature[attrFieldName]
args[sourceType]['wktGeometry'] = geom.exportToWkt(3)
try:
# create the objects
if 'EmissionSourceCharacteristics' in args and len(args['EmissionSourceCharacteristics']) > 0:
#if 'EmissionSourceCharacteristics' in args:
args[sourceType]['emissionSourceCharacteristics'] = imaer.EmissionSource.EmissionSourceCharacteristics(**args['EmissionSourceCharacteristics'])
e = imaer.EmissionSource(**args[sourceType])
# and add emissions to the source
for k,v in args['Emission'].items():
e.addEmission(imaer.EmissionSource.Emission(k,v))
# and append to the list with features
self.imaerFeatures.append(e)
except Exception as e:
self.iface.messageBar().pushMessage( self.tr(u"Warning"), self.tr(u"Skipped feature with gmlId: '%s' from layer '%s' with error: '%s'. " %(args[sourceType]['gmlId'],layerName,e)),1)
else:
self.iface.messageBar().pushMessage( self.tr(u"Warning"), self.tr(u"Skipped feature with gmlId: '%s' from layer '%s' with error: '%s'. " %(args[sourceType]['gmlId'],layerName,self.tr(u"invalid geometry"))),1)
try:
# finally instantiate
i = imaer.ImaerWrite(features = self.imaerFeatures)
except Exception as e:
self.iface.messageBar().pushMessage( self.tr(u"Error"), self.tr(u"Could not create gml with error: '%s'. " %e ) ,2)
return
try:
#and save
i.save(self.dlg.gmlFileNameBox.displayText())
except Exception as e:
self.iface.messageBar().pushMessage( self.tr(u"Error"), self.tr(u"Could not create or save gml with error: '%s'. " %e ) ,2)
return
progress.setValue(numFeatures)
####################################################################################################
### routines to react on buttons and selections to show and hide widgets and populate comboboxes ###
####################################################################################################
def update_pointEmissionSource(self, sourceType):
"""Reacts on choosing Emission Source Type"""
self.update_Emission(uiFT = 'point')
def update_lineEmissionSource(self, sourceType):
"""Reacts on choosing Emission Source Type"""
self.update_Emission(uiFT = 'line')
def update_polygonEmissionSource(self, sourceType):
"""Reacts on choosing Emission Source Type"""
self.update_Emission(uiFT = 'polygon')
def update_Emission(self, uiFT):
"""update the Emission Source Properties and Emission and adapt visibility of the GroupBox"""
sourceType = self.qElements['%sSourceTypeCombo' % uiFT].currentText()
if sourceType == 'from column: source':
uiFieldDef = False
else:
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceType = sourceType,
emissionSourceCharacteristics = (getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT).isChecked()) )
uiFieldDef.update(self.imaerInstance.getUiFields(False, False))
self.updateColumnCombos(fieldNames = self.getFieldNames(uiFT), uiFieldDef = uiFieldDef, uiFeatureTypes = [uiFT])
# set the right widgets visible for the sourceType
for st in self.emissionSourceTypes:
self.qElements['%s_%s_sourceWidget' % (uiFT, st)].setVisible( (not sourceType == 'from column: source') and st == sourceType )
# and update visibility of the groupbox
self.toggle_GroupBox(uiFT)
def update_pointUIelements(self,layerName):
"""Reacts on choosing data source"""
self.update_UIelements(uiFT = 'point')
def update_lineUIelements(self,layerName):
"""Reacts on choosing data source"""
self.update_UIelements(uiFT = 'line')
def update_polygonUIelements(self,layerName):
"""Reacts on choosing data source"""
self.update_UIelements(uiFT = 'polygon')
def update_UIelements(self, uiFT):
"""updates the Emission Source Characteristics ui elements and the Emission ui elements"""
self.update_EmissionSourceCharacteristicsUIelements(uiFT)
self.update_Emission(uiFT)
def update_EmissionSourceCharacteristicsUIelements(self, uiFT):
"""updates the comboboxes for EmissionSourceCharacteristics"""
sourceType = self.qElements['%sSourceTypeCombo' % uiFT].currentText()
if sourceType == 'from column: source':
uiFieldDef = False
else:
uiFieldDef = self.imaerInstance.getUiFields(emissionSourceCharacteristics = True)
self.updateColumnCombos(fieldNames = self.getFieldNames(uiFT), uiFieldDef = uiFieldDef, uiFeatureTypes = [uiFT])
def update_pointEmissionSourceCharacteristicsUIelements(self, checked):
"""Reacts on choosing emission source characteristics checkbox"""
self.toggle_EmissionSourceCharacteristicsWidget(uiFT = 'point')
def update_lineEmissionSourceCharacteristicsUIelements(self, checked):
"""Reacts on choosing emission source characteristics checkbox"""
self.toggle_EmissionSourceCharacteristicsWidget(uiFT = 'line')
def update_polygonEmissionSourceCharacteristicsUIelements(self, checked):
"""Reacts on choosing emission source characteristics checkbox"""
self.toggle_EmissionSourceCharacteristicsWidget(uiFT = 'polygon')
def toggle_EmissionSourceCharacteristicsWidget(self, uiFT):
"""show/ hide the EmissionSourceCharacteristicsWidget containing the comboboxes for EmissionSourceCharacteristics"""
getattr(self.dlg, '%sEmissionSourceCharacteristicsWidget' % uiFT ).setVisible(
getattr(self.dlg, '%sEmissionSourceCharacteristicsCheckBox' % uiFT ).checkState() == Qt.Checked)
def toggle_GroupBox(self, uiFT):
"""toggles the visibility of the groupbox based on datasource and emission source type settings"""
layerName = getattr(self.dlg, '%sDataCombo' % uiFT ).currentText()
sourceType = self.qElements['%sSourceTypeCombo' % uiFT].currentText()
if sourceType == 'from column: source' or layerName == '':
getattr(self.dlg, '%sGroupBox' % uiFT ).setVisible(False)
else:
getattr(self.dlg, '%sGroupBox' % uiFT ).setVisible(True)
def getFieldNames(self, uiFT):
"""returns the fieldNames for the chosen layer"""
layerName = getattr(self.dlg, '%sDataCombo' % uiFT ).currentText()
if layerName == '':
fieldNames = False
else:
layer = QgsMapLayerRegistry.instance().mapLayersByName(layerName)[0]
fieldNames = layer.dataProvider().fieldNameMap().keys()
return fieldNames
def updateColumnCombos(self, fieldNames, uiFieldDef, uiFeatureTypes):
"""update comboboxes with fieldnames"""
for uiFT in uiFeatureTypes:
if uiFieldDef:
for objectName, fields in uiFieldDef.items():
for field in fields[0] + fields[1]:
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ].clear()
if fieldNames:
if field in fields[1]:
#add empty item for optional field
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ].addItem('')
self.qElements['%s_%s_%s_combo' % (objectName, uiFT, field) ].addItems(fieldNames)
def chooseFile(self):
"""Reacts on browse button"""
fileName = QFileDialog.getSaveFileName(caption = self.tr(u"Save gml File"), directory = '', filter = '*.gml')
self.dlg.gmlFileNameBox.setText(fileName)
def gmlFileNameBoxChanged(self, fileName):
"""Reacts on a changed filename"""
if os.path.exists(os.path.dirname(fileName)):
self.dlg.cancel_save_button_box.button(QDialogButtonBox.Save).setEnabled(True)
def showHelp(self):
"""Reacts on help button"""
qgis.utils.showPluginHelp(filename = 'help/index')
def showOGG(self):
"""Shows ogg website on clicking the logo"""
QDesktopServices.openUrl(QUrl('http://www.opengeogroep.nl'))
