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143 lines
5.1 KiB
Python
143 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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OutputSelectionPanel.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os.path
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import re
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.gui import *
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from processing.core.ProcessingConfig import ProcessingConfig
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from processing.core.outputs import OutputVector
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from processing.core.outputs import OutputDirectory
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from processing.ui.ui_widgetBaseSelector import Ui_Form
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class OutputSelectionPanel(QWidget, Ui_Form):
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SAVE_TO_TEMP_FILE = QCoreApplication.translate(
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'OutputSelectionPanel', '[Save to temporary file]')
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def __init__(self, output, alg):
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QWidget.__init__(self)
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self.setupUi(self)
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self.output = output
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self.alg = alg
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if hasattr(self.leText, 'setPlaceholderText'):
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self.leText.setPlaceholderText(self.SAVE_TO_TEMP_FILE)
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self.btnSelect.clicked.connect(self.selectOutput)
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def selectOutput(self):
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if isinstance(self.output, OutputDirectory):
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self.selectDirectory()
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else:
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popupMenu = QMenu()
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actionSaveToTempFile = QAction(
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self.tr('Save to a temporary file'), self.btnSelect)
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actionSaveToTempFile.triggered.connect(self.saveToTemporaryFile)
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popupMenu.addAction(actionSaveToTempFile)
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actionSaveToFile = QAction(
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self.tr('Save to file...'), self.btnSelect)
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actionSaveToFile.triggered.connect(self.selectFile)
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popupMenu.addAction(actionSaveToFile)
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if isinstance(self.output, OutputVector) \
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and self.alg.provider.supportsNonFileBasedOutput():
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actionSaveToMemory = QAction(
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self.tr('Save to memory layer'), self.btnSelect)
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actionSaveToMemory.triggered.connect(self.saveToMemory)
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popupMenu.addAction(actionSaveToMemory)
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popupMenu.exec_(QCursor.pos())
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def saveToTemporaryFile(self):
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self.leText.setText('')
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def saveToMemory(self):
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self.leText.setText('memory:')
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def selectFile(self):
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fileFilter = self.output.getFileFilter(self.alg)
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settings = QSettings()
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if settings.contains('/Processing/LastOutputPath'):
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path = settings.value('/Processing/LastOutputPath')
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else:
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path = ProcessingConfig.getSetting(ProcessingConfig.OUTPUT_FOLDER)
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encoding = settings.value('/Processing/encoding', 'System')
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fileDialog = QgsEncodingFileDialog(
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self, self.tr('Save file'), path, fileFilter, encoding)
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fileDialog.setFileMode(QFileDialog.AnyFile)
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fileDialog.setAcceptMode(QFileDialog.AcceptSave)
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fileDialog.setConfirmOverwrite(True)
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if fileDialog.exec_() == QDialog.Accepted:
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files = fileDialog.selectedFiles()
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encoding = unicode(fileDialog.encoding())
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self.output.encoding = encoding
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fileName = unicode(files[0])
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selectedFileFilter = unicode(fileDialog.selectedNameFilter())
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if not fileName.lower().endswith(
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tuple(re.findall("\*(\.[a-z]{1,5})", fileFilter))):
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ext = re.search("\*(\.[a-z]{1,5})", selectedFileFilter)
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if ext:
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fileName += ext.group(1)
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self.leText.setText(fileName)
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settings.setValue('/Processing/LastOutputPath',
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os.path.dirname(fileName))
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settings.setValue('/Processing/encoding', encoding)
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def selectDirectory(self):
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lastDir = ''
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dirName = QFileDialog.getExistingDirectory(self,
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self.tr('Select directory'), lastDir, QFileDialog.ShowDirsOnly)
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self.leText.setText(dirName)
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def getValue(self):
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fileName = unicode(self.leText.text())
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if fileName.strip() in ['', self.SAVE_TO_TEMP_FILE]:
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value = None
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elif fileName.startswith('memory:'):
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value = fileName
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elif not os.path.isabs(fileName):
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value = ProcessingConfig.getSetting(
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ProcessingConfig.OUTPUT_FOLDER) + os.sep + fileName
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else:
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value = fileName
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return value
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