def __init__(self, iface):
self.iface = iface
QDockWidget.__init__(self)
self.setupUi(self)
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self)
self.layerComboManager = VectorLayerCombo(iface.legendInterface(),
self.layerCombo)
self.fieldComboManager = FieldCombo(self.fieldCombo,
self.layerComboManager)
QObject.connect(self.layerCombo, SIGNAL("currentIndexChanged(int)"),
self.layerChanged)
QObject.connect(self.modeButtonGroup, SIGNAL("buttonClicked(int)"),
self.layerChanged)
QObject.connect(self.fieldCombo, SIGNAL("currentIndexChanged(int)"),
self.layerChanged)
self.layer = None
self.operatorBox.hide()
self.processWidgetGroup.hide()
self.layerChanged(0)
self.setVisible(False)
def __init__(self, iface):
self.iface = iface
QDockWidget.__init__(self)
self.setupUi(self)
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self)
self.layerComboManager = VectorLayerCombo(iface.legendInterface(), self.layerCombo)
self.fieldComboManager = FieldCombo(self.fieldCombo, self.layerComboManager)
QObject.connect(self.layerCombo, SIGNAL("currentIndexChanged(int)"), self.layerChanged)
QObject.connect(self.modeButtonGroup, SIGNAL("buttonClicked(int)"), self.layerChanged)
QObject.connect(self.fieldCombo, SIGNAL("currentIndexChanged(int)"), self.layerChanged)
self.layer = None
self.operatorBox.hide()
self.processWidgetGroup.hide()
self.layerChanged(0)
self.setVisible(False)
class FinderDock(QDockWidget, Ui_quickFinder):
def __init__(self, iface):
self.iface = iface
QDockWidget.__init__(self)
self.setupUi(self)
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self)
self.layerComboManager = VectorLayerCombo(iface.legendInterface(), self.layerCombo)
self.fieldComboManager = FieldCombo(self.fieldCombo, self.layerComboManager)
QObject.connect(self.layerCombo, SIGNAL("currentIndexChanged(int)"), self.layerChanged)
QObject.connect(self.modeButtonGroup, SIGNAL("buttonClicked(int)"), self.layerChanged)
QObject.connect(self.fieldCombo, SIGNAL("currentIndexChanged(int)"), self.layerChanged)
self.layer = None
self.operatorBox.hide()
self.processWidgetGroup.hide()
self.layerChanged(0)
self.setVisible(False)
def layerChanged(self, i):
self.modeWidgetGroup.setEnabled(False)
self.searchWidgetGroup.setEnabled(False)
self.idLine.clear()
self.layer = self.layerComboManager.getLayer()
if self.layer is None:
return
self.modeWidgetGroup.setEnabled(True)
if self.fieldButton.isChecked() and self.fieldCombo.currentIndex() == 0:
return
self.searchWidgetGroup.setEnabled(True)
self.on_selectBox_clicked()
@pyqtSignature("on_selectBox_clicked()")
def on_selectBox_clicked(self):
if self.layer is None or not self.selectBox.isChecked():
self.panBox.setEnabled(False)
self.scaleBox.setEnabled(False)
else:
self.panBox.setEnabled(self.layer.hasGeometryType())
self.scaleBox.setEnabled(self.layer.hasGeometryType() and self.panBox.isChecked())
@pyqtSignature("on_cancelButton_pressed()")
def on_cancelButton_pressed(self):
self.continueSearch = False
@pyqtSignature("on_goButton_pressed()")
def on_goButton_pressed(self):
i = self.layerCombo.currentIndex()
if i < 1 or self.layer is None:
return
toFind = self.idLine.text()
f = QgsFeature()
if self.idButton.isChecked():
id, ok = toFind.toInt()
if ok is False:
QMessageBox.warning(self.iface.mainWindow(), "Quick Finder", "ID must be strictly composed of digits.")
return
try:
if self.layer.getFeatures(QgsFeatureRequest().setFilterFid(id)).nextFeature(f) is False:
return
except: # qgis <1.9
if self.layer.dataProvider().featureAtId(id, f, True,
self.layer.dataProvider().attributeIndexes()) is False:
return
self.processResults([f.id()])
else:
results = []
fieldName = self.fieldComboManager.getFieldName()
fieldIndex = self.fieldComboManager.getFieldIndex()
if fieldName == "":
return
operator = self.operatorBox.currentIndex()
# show progress bar
self.progressBar.setMinimum(0)
self.progressBar.setMaximum(self.layer.featureCount())
self.progressBar.setValue(0)
self.processWidgetGroup.show()
# disable rest of UI
self.layerWidgetGroup.setEnabled(False)
self.modeWidgetGroup.setEnabled(False)
self.searchWidgetGroup.setEnabled(False)
# create feature request
try:
featReq = QgsFeatureRequest()
featReq.setFlags(QgsFeatureRequest.NoGeometry)
featReq.setSubsetOfAttributes([fieldIndex])
iter = self.layer.getFeatures(featReq)
except: # qgis <1.9
iter = self.layer.dataProvider()
iter.select([fieldIndex])
# process
k = 0
self.continueSearch = True
while iter.nextFeature(f) and self.continueSearch:
k += 1
try:
value = f.attribute(fieldName)
except:
value = f.attributeMap()[fieldIndex]
if self.evaluate(value, toFind, operator):
results.append(f.id())
self.progressBar.setValue(k)
QCoreApplication.processEvents()
# reset UI
self.processWidgetGroup.hide()
self.layerWidgetGroup.setEnabled(True)
self.modeWidgetGroup.setEnabled(True)
self.searchWidgetGroup.setEnabled(True)
# process results
if self.continueSearch:
self.processResults(results)
def evaluate(self, v1, v2, operator):
if operator == 0:
return v1.toString() == v2
elif operator == 1:
return v1.toDouble()[0] == v2.toDouble()[0]
elif operator == 2:
return v1.toDouble()[0] <= v2.toDouble()[0]
elif operator == 3:
return v1.toDouble()[0] >= v2.toDouble()[0]
elif operator == 4:
return v1.toDouble()[0] < v2.toDouble()[0]
elif operator == 5:
return v1.toDouble()[0] > v2.toDouble()[0]
elif operator == 6:
return v1.toString().contains(v2, Qt.CaseInsensitive)
def processResults(self, results):
if self.layer is None:
return
if self.selectBox.isChecked():
self.layer.setSelectedFeatures(results)
if len(results) == 0:
return
if self.panBox.isEnabled() and self.panBox.isChecked():
canvas = self.iface.mapCanvas()
rect = canvas.mapRenderer().layerExtentToOutputExtent(self.layer, self.layer.boundingBoxOfSelected())
if rect is not None:
if self.scaleBox.isEnabled() and self.scaleBox.isChecked():
rect.scale(1.5)
canvas.setExtent(rect)
else:
canvas.setExtent(QgsRectangle(rect.center(), rect.center()))
canvas.refresh()
if self.formBox.isChecked():
nResults = len(results)
if nResults > 25:
return
if nResults > 3:
reply = QMessageBox.question(self.iface.mainWindow(), "Quick Finder",
"%s results were found. Are you sure to open the %s feature forms ?" %
(nResults, nResults), QMessageBox.Yes, QMessageBox.No)
if reply == QMessageBox.No:
return
f = QgsFeature()
try:
for id in results:
if self.layer.getFeatures(QgsFeatureRequest().setFilterFid(id)).nextFeature(f):
self.iface.openFeatureForm(self.layer, f)
except:
for id in results:
if self.layer.featureAtId(id, f):
self.iface.openFeatureForm(self.layer, f)
class FinderDock(QDockWidget, Ui_quickFinder):
def __init__(self, iface):
self.iface = iface
QDockWidget.__init__(self)
self.setupUi(self)
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self)
self.layerComboManager = VectorLayerCombo(iface.legendInterface(),
self.layerCombo)
self.fieldComboManager = FieldCombo(self.fieldCombo,
self.layerComboManager)
QObject.connect(self.layerCombo, SIGNAL("currentIndexChanged(int)"),
self.layerChanged)
QObject.connect(self.modeButtonGroup, SIGNAL("buttonClicked(int)"),
self.layerChanged)
QObject.connect(self.fieldCombo, SIGNAL("currentIndexChanged(int)"),
self.layerChanged)
self.layer = None
self.operatorBox.hide()
self.processWidgetGroup.hide()
self.layerChanged(0)
self.setVisible(False)
def layerChanged(self, i):
self.modeWidgetGroup.setEnabled(False)
self.searchWidgetGroup.setEnabled(False)
self.idLine.clear()
self.layer = self.layerComboManager.getLayer()
if self.layer is None:
return
self.modeWidgetGroup.setEnabled(True)
if self.fieldButton.isChecked() and self.fieldCombo.currentIndex(
) == 0:
return
self.searchWidgetGroup.setEnabled(True)
self.on_selectBox_clicked()
@pyqtSignature("on_selectBox_clicked()")
def on_selectBox_clicked(self):
if self.layer is None or not self.selectBox.isChecked():
self.panBox.setEnabled(False)
self.scaleBox.setEnabled(False)
else:
self.panBox.setEnabled(self.layer.hasGeometryType())
self.scaleBox.setEnabled(self.layer.hasGeometryType()
and self.panBox.isChecked())
@pyqtSignature("on_cancelButton_pressed()")
def on_cancelButton_pressed(self):
self.continueSearch = False
@pyqtSignature("on_goButton_pressed()")
def on_goButton_pressed(self):
i = self.layerCombo.currentIndex()
if i < 1 or self.layer is None:
return
toFind = self.idLine.text()
f = QgsFeature()
if self.idButton.isChecked():
id, ok = toFind.toInt()
if ok is False:
QMessageBox.warning(self.iface.mainWindow(), "Quick Finder",
"ID must be strictly composed of digits.")
return
try:
if self.layer.getFeatures(QgsFeatureRequest().setFilterFid(
id)).nextFeature(f) is False:
return
except: # qgis <1.9
if self.layer.dataProvider().featureAtId(
id, f, True,
self.layer.dataProvider().attributeIndexes()) is False:
return
self.processResults([f.id()])
else:
results = []
fieldName = self.fieldComboManager.getFieldName()
fieldIndex = self.fieldComboManager.getFieldIndex()
if fieldName == "":
return
operator = self.operatorBox.currentIndex()
# show progress bar
self.progressBar.setMinimum(0)
self.progressBar.setMaximum(self.layer.featureCount())
self.progressBar.setValue(0)
self.processWidgetGroup.show()
# disable rest of UI
self.layerWidgetGroup.setEnabled(False)
self.modeWidgetGroup.setEnabled(False)
self.searchWidgetGroup.setEnabled(False)
# create feature request
try:
featReq = QgsFeatureRequest()
featReq.setFlags(QgsFeatureRequest.NoGeometry)
featReq.setSubsetOfAttributes([fieldIndex])
iter = self.layer.getFeatures(featReq)
except: # qgis <1.9
iter = self.layer.dataProvider()
iter.select([fieldIndex])
# process
k = 0
self.continueSearch = True
while iter.nextFeature(f) and self.continueSearch:
k += 1
try:
value = f.attribute(fieldName)
except:
value = f.attributeMap()[fieldIndex]
if self.evaluate(value, toFind, operator):
results.append(f.id())
self.progressBar.setValue(k)
QCoreApplication.processEvents()
# reset UI
self.processWidgetGroup.hide()
self.layerWidgetGroup.setEnabled(True)
self.modeWidgetGroup.setEnabled(True)
self.searchWidgetGroup.setEnabled(True)
# process results
if self.continueSearch:
self.processResults(results)
def evaluate(self, v1, v2, operator):
if operator == 0:
return v1.toString() == v2
elif operator == 1:
return v1.toDouble()[0] == v2.toDouble()[0]
elif operator == 2:
return v1.toDouble()[0] <= v2.toDouble()[0]
elif operator == 3:
return v1.toDouble()[0] >= v2.toDouble()[0]
elif operator == 4:
return v1.toDouble()[0] < v2.toDouble()[0]
elif operator == 5:
return v1.toDouble()[0] > v2.toDouble()[0]
elif operator == 6:
return v1.toString().contains(v2, Qt.CaseInsensitive)
def processResults(self, results):
if self.layer is None:
return
if self.selectBox.isChecked():
self.layer.setSelectedFeatures(results)
if len(results) == 0:
return
if self.panBox.isEnabled() and self.panBox.isChecked():
canvas = self.iface.mapCanvas()
rect = canvas.mapRenderer().layerExtentToOutputExtent(
self.layer, self.layer.boundingBoxOfSelected())
if rect is not None:
if self.scaleBox.isEnabled() and self.scaleBox.isChecked():
rect.scale(1.5)
canvas.setExtent(rect)
else:
canvas.setExtent(
QgsRectangle(rect.center(), rect.center()))
canvas.refresh()
if self.formBox.isChecked():
nResults = len(results)
if nResults > 25:
return
if nResults > 3:
reply = QMessageBox.question(
self.iface.mainWindow(), "Quick Finder",
"%s results were found. Are you sure to open the %s feature forms ?"
% (nResults, nResults), QMessageBox.Yes, QMessageBox.No)
if reply == QMessageBox.No:
return
f = QgsFeature()
try:
for id in results:
if self.layer.getFeatures(QgsFeatureRequest().setFilterFid(
id)).nextFeature(f):
self.iface.openFeatureForm(self.layer, f)
except:
for id in results:
if self.layer.featureAtId(id, f):
self.iface.openFeatureForm(self.layer, f)