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doOverview.py
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doOverview.py
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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_widgetOverview import Ui_GdalToolsWidget as Ui_Widget
from widgetBatchBase import GdalToolsBaseBatchWidget as BaseBatchWidget
import GdalTools_utils as Utils
import platform
class GdalToolsDialog( QWidget, Ui_Widget, BaseBatchWidget ):
def __init__( self, iface ):
QWidget.__init__( self )
self.iface = iface
self.resampling_method = ('nearest', 'average', 'gauss', 'average_mp', 'average_magphase', 'mode')
self.setupUi( self )
BaseBatchWidget.__init__( self, self.iface, "gdaladdo" )
# set the default QSpinBoxes and QProgressBar value
self.progressBar.setValue(0)
self.progressBar.hide()
# we don't need load to canvas functionality
self.base.loadCheckBox.hide()
self.setParamsStatus(
[
(self.inputLayerCombo, [SIGNAL("currentIndexChanged(int)"), SIGNAL("editTextChanged(const QString &)")] ),
( self.algorithmCombo, SIGNAL( "currentIndexChanged( int )" ), self.algorithmCheck ),
( self.levelsEdit, SIGNAL( "textChanged( const QString & )" ) ),
( self.roModeCheck, SIGNAL( "stateChanged( int )" ) )
]
)
self.connect( self.selectInputFileButton, SIGNAL( "clicked()" ), self.fillInputFile )
self.connect( self.batchCheck, SIGNAL( "stateChanged( int )" ), self.switchToolMode )
# fill layers combo
self.fillInputLayerCombo()
# switch to batch or normal mode
def switchToolMode( self ):
self.setCommandViewerEnabled( not self.batchCheck.isChecked() )
self.inputLayerCombo.clear()
self.inputLayerCombo.clearEditText()
self.inputLayerCombo.setCurrentIndex(-1)
if self.batchCheck.isChecked():
self.inFileLabel = self.label.text()
self.label.setText( QCoreApplication.translate( "GdalTools", "&Input directory:" ) )
self.progressBar.show()
QObject.disconnect( self.selectInputFileButton, SIGNAL( "clicked()" ), self.fillInputFile )
QObject.connect( self.selectInputFileButton, SIGNAL( "clicked()" ), self.fillInputDir )
else:
self.label.setText( self.inFileLabel )
self.fillInputLayerCombo()
self.progressBar.hide()
QObject.disconnect( self.selectInputFileButton, SIGNAL( "clicked()" ), self.fillInputDir )
QObject.connect( self.selectInputFileButton, SIGNAL( "clicked()" ), self.fillInputFile )
def fillInputLayerCombo( self ):
self.inputLayerCombo.clear()
( self.layers, names ) = Utils.getRasterLayers()
self.inputLayerCombo.addItems( names )
def fillInputFile( self ):
lastUsedFilter = Utils.FileFilter.lastUsedRasterFilter()
inputFile = Utils.FileDialog.getOpenFileName( self, self.tr( "Select the input file" ), Utils.FileFilter.allRastersFilter(), lastUsedFilter )
if inputFile.isEmpty():
return
Utils.FileFilter.setLastUsedRasterFilter( lastUsedFilter )
self.inputLayerCombo.setCurrentIndex(-1)
self.inputLayerCombo.setEditText( inputFile )
def fillInputDir( self ):
inputDir = Utils.FileDialog.getExistingDirectory( self, self.tr( "Select the input directory with files" ))
if inputDir.isEmpty():
return
self.inputLayerCombo.setCurrentIndex(-1)
self.inputLayerCombo.setEditText( inputDir )
def getArguments( self ):
arguments = QStringList()
if self.algorithmCheck.isChecked() and self.algorithmCombo.currentIndex() >= 0:
arguments << "-r"
arguments << self.resampling_method[self.algorithmCombo.currentIndex()]
if self.roModeCheck.isChecked():
arguments << "-ro"
if self.isBatchEnabled():
return arguments
arguments << self.getInputFileName()
if not self.levelsEdit.text().isEmpty():
arguments << self.levelsEdit.text().split( " " )
else:
arguments << "2" << "4" << "8" << "16" << "32"
return arguments
def getInputFileName( self ):
if self.inputLayerCombo.currentIndex() >= 0:
return self.layers[ self.inputLayerCombo.currentIndex() ].source()
return self.inputLayerCombo.currentText()
def getOutputFileName( self ):
return self.getInputFileName()
def addLayerIntoCanvas(self, fileInfo):
self.iface.addRasterLayer(fileInfo.filePath())
def getBatchArguments(self, inFile, outFile = None):
arguments = self.getArguments()
arguments << inFile
if not self.levelsEdit.text().isEmpty():
arguments << self.levelsEdit.text().split( " " )
else:
arguments << "2" << "4" << "8" << "16" << "32"
return arguments
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 )