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84 lines
3.0 KiB
Python
84 lines
3.0 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 osgeo import ogr
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from ui_widgetNearBlack 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, "nearblack")
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# set the default QSpinBoxes value
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self.nearSpin.setValue(15)
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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.outputFileEdit, SIGNAL("textChanged(const QString &)")),
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(self.nearSpin, SIGNAL("valueChanged(int)"), self.nearCheck),
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(self.whiteCheckBox, SIGNAL("stateChanged(int)"))
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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.selectOutputFileButton, SIGNAL("clicked()"), self.fillOutputFileEdit)
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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 Near Black" ), 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 fillOutputFileEdit(self):
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lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
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outputFile = Utils.FileDialog.getSaveFileName(self, self.tr( "Select the raster file to save the results to" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter)
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if outputFile.isEmpty():
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return
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Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
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self.outputFileEdit.setText(outputFile)
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def getArguments(self):
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arguments = QStringList()
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if self.whiteCheckBox.isChecked():
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arguments << "-white"
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if self.nearCheck.isChecked():
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arguments << "-near"
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arguments << str(self.nearSpin.value())
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if not self.outputFileEdit.text().isEmpty():
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arguments << "-o"
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arguments << self.outputFileEdit.text()
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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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return arguments
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def getOutputFileName(self):
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return self.outputFileEdit.text()
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def addLayerIntoCanvas(self, fileInfo):
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self.iface.addRasterLayer(fileInfo.filePath())
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