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86 lines
3.2 KiB
Python
86 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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from qgis.gui import *
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from ui_widgetContour import Ui_GdalToolsWidget as Ui_Widget
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from widgetPluginBase import GdalToolsBasePluginWidget as BasePluginWidget
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import GdalTools_utils as Utils
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class GdalToolsDialog(QWidget, Ui_Widget, BasePluginWidget):
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def __init__(self, iface):
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QWidget.__init__(self)
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self.iface = iface
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self.setupUi(self)
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BasePluginWidget.__init__(self, self.iface, "gdal_contour")
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# set the default QSpinBoxes value
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self.intervalDSpinBox.setValue(10.0)
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self.setParamsStatus(
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[
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(self.inputLayerCombo, [SIGNAL("currentIndexChanged(int)"), SIGNAL("editTextChanged(const QString &)")] ),
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(self.outputDirEdit, SIGNAL("textChanged(const QString &)")),
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(self.intervalDSpinBox, SIGNAL("valueChanged(double)")),
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(self.attributeEdit, SIGNAL("textChanged(const QString &)"), self.attributeCheck)
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]
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)
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self.connect(self.selectInputFileButton, SIGNAL("clicked()"), self.fillInputFileEdit)
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self.connect(self.selectOutputDirButton, SIGNAL("clicked()"), self.fillOutputDirEdit)
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def onLayersChanged(self):
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self.fillInputLayerCombo()
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def fillInputLayerCombo( self ):
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self.inputLayerCombo.clear()
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( self.layers, names ) = Utils.LayerRegistry.instance().getRasterLayers()
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self.inputLayerCombo.addItems( names )
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def fillInputFileEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
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inputFile = Utils.FileDialog.getOpenFileName(self, self.tr( "Select the input file for Contour" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
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if inputFile.isEmpty():
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return
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Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
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self.inputLayerCombo.setCurrentIndex(-1)
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self.inputLayerCombo.setEditText(inputFile)
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def fillOutputDirEdit(self):
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outputDir, encoding = Utils.FileDialog.getExistingDirectory(self, self.tr( "Select where to save the Contour output" ), True)
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if outputDir.isEmpty():
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return
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self.outputDirEdit.setText(outputDir)
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self.lastEncoding = encoding
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def getArguments(self):
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arguments = QStringList()
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if self.attributeCheck.isChecked() and not self.attributeEdit.text().isEmpty():
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arguments << "-a"
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arguments << self.attributeEdit.text()
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if True: # XXX in this moment the -i argument is not optional
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arguments << "-i"
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arguments << QString(str(self.intervalDSpinBox.value()))
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if self.inputLayerCombo.currentIndex() >= 0:
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arguments << self.layers[ self.inputLayerCombo.currentIndex() ].source()
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else:
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arguments << self.inputLayerCombo.currentText()
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arguments << self.outputDirEdit.text()
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return arguments
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def getOutputFileName(self):
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if self.outputDirEdit.text().isEmpty():
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return ""
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return self.outputDirEdit.text() + QDir.separator() + "contour.shp"
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def addLayerIntoCanvas(self, fileInfo):
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vl = self.iface.addVectorLayer(fileInfo.filePath(), "contour", "ogr")
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if vl != None and vl.isValid():
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if hasattr(self, 'lastEncoding'):
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vl.setProviderEncoding(self.lastEncoding)
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