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# -*- coding: utf-8 -*-
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from ui_widgetConvert import Ui_GdalToolsWidget as Ui_Widget
from widgetBatchBase import GdalToolsBaseBatchWidget as BaseBatchWidget
import GdalTools_utils as Utils
class GdalToolsDialog(QWidget, Ui_Widget, BaseBatchWidget):
def __init__(self, iface):
QWidget.__init__(self)
self.iface = iface
self.setupUi(self)
BaseBatchWidget.__init__(self, self.iface, "rgb2pct.py")
self.outSelector.setType( self.outSelector.FILE )
# set the default QSpinBoxes and QProgressBar value
self.colorsSpin.setValue(2)
self.progressBar.setValue(0)
self.progressBar.hide()
self.outputFormat = Utils.fillRasterOutputFormat()
self.setParamsStatus(
[
(self.inSelector, SIGNAL("filenameChanged()")),
(self.outSelector, SIGNAL("filenameChanged()")),
(self.colorsSpin, SIGNAL("valueChanged(int)"), self.colorsCheck),
(self.bandSpin, SIGNAL("valueChanged(int)"), self.bandCheck, "-1") # hide this option
]
)
self.connect(self.inSelector, SIGNAL("selectClicked()"), self.fillInputFile)
self.connect(self.outSelector, SIGNAL("selectClicked()"), self.fillOutputFileEdit)
self.connect( self.batchCheck, SIGNAL( "stateChanged( int )" ), self.switchToolMode )
# switch to batch or normal mode
def switchToolMode( self ):
self.setCommandViewerEnabled( not self.batchCheck.isChecked() )
self.progressBar.setVisible( self.batchCheck.isChecked() )
self.inSelector.setType( self.inSelector.FILE if self.batchCheck.isChecked() else self.inSelector.FILE_LAYER )
self.outSelector.clear()
if self.batchCheck.isChecked():
self.inFileLabel = self.label.text()
self.outFileLabel = self.label_2.text()
self.label.setText( QCoreApplication.translate( "GdalTools", "&Input directory" ) )
self.label_2.setText( QCoreApplication.translate( "GdalTools", "&Output directory" ) )
QObject.disconnect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputFile )
QObject.disconnect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputFileEdit )
QObject.connect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputDir )
QObject.connect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputDir )
else:
self.label.setText( self.inFileLabel )
self.label_2.setText( self.outFileLabel )
QObject.disconnect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputDir )
QObject.disconnect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputDir )
QObject.connect( self.inSelector, SIGNAL( "selectClicked()" ), self.fillInputFile )
QObject.connect( self.outSelector, SIGNAL( "selectClicked()" ), self.fillOutputFileEdit )
def onLayersChanged(self):
self.inSelector.setLayers( Utils.LayerRegistry.instance().getRasterLayers() )
def fillInputFile(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
inputFile = Utils.FileDialog.getOpenFileName(self, self.tr( "Select the input file for convert" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if inputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.inSelector.setFilename(inputFile)
def fillOutputFileEdit(self):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
outputFile = Utils.FileDialog.getSaveFileName(self, self.tr( "Select the raster file to save the results to" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if outputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter(lastUsedFilter)
self.outputFormat = Utils.fillRasterOutputFormat( lastUsedFilter, outputFile )
self.outSelector.setFilename(outputFile)
def fillInputDir( self ):
inputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the input directory with files for convert" ))
if inputDir.isEmpty():
return
self.inSelector.setFilename( inputDir )
def fillOutputDir( self ):
outputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the output directory to save the results to" ))
if outputDir.isEmpty():
return
self.outSelector.setFilename( outputDir )
def getArguments(self):
arguments = QStringList()
if self.colorsCheck.isChecked():
arguments << "-n"
arguments << str( self.colorsSpin.value() )
if self.isBatchEnabled():
return arguments
outputFn = self.getOutputFileName()
if not outputFn.isEmpty():
arguments << "-of"
arguments << self.outputFormat
arguments << self.getInputFileName()
arguments << outputFn
return arguments
def getInputFileName(self):
return self.inSelector.filename()
def getOutputFileName(self):
return self.outSelector.filename()
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
def isBatchEnabled(self):
return self.batchCheck.isChecked()
def setProgressRange(self, maximum):
self.progressBar.setRange(0, maximum)
def updateProgress(self, index, total):
if index < total:
self.progressBar.setValue( index + 1 )
else:
self.progressBar.setValue( 0 )
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