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84 lines
3.5 KiB
Python
84 lines
3.5 KiB
Python
import os.path
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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 sextante.core.SextanteConfig import SextanteConfig
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class OutputSelectionPanel(QWidget):
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lastOutputFolder = None
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SAVE_TO_TEMP_FILE = "[Save to temporary file]"
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def __init__(self, output, alg):
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self.output = output
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self.alg = alg
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super(OutputSelectionPanel, self).__init__(None)
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self.horizontalLayout = QHBoxLayout(self)
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self.horizontalLayout.setSpacing(2)
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self.horizontalLayout.setMargin(0)
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self.text = QLineEdit()
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if hasattr(self.text, 'setPlaceholderText'):
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self.text.setPlaceholderText(OutputSelectionPanel.SAVE_TO_TEMP_FILE)
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self.text.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
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self.horizontalLayout.addWidget(self.text)
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self.pushButton = QPushButton()
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self.pushButton.setText("...")
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self.pushButton.clicked.connect(self.buttonPushed)
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self.horizontalLayout.addWidget(self.pushButton)
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self.setLayout(self.horizontalLayout)
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def buttonPushed(self):
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popupmenu = QMenu()
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saveToTemporaryFileAction = QAction("Save to a temporary file", self.pushButton)
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saveToTemporaryFileAction.triggered.connect(self.saveToTemporaryFile)
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popupmenu.addAction(saveToTemporaryFileAction )
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if (self.alg.provider.supportsNonFileBasedOutput()):
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saveToMemoryAction= QAction("Save to a memory layer...", self.pushButton)
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saveToMemoryAction.triggered.connect(self.saveToMemory)
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popupmenu.addAction(saveToMemoryAction)
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saveToFileAction = QAction("Save to file...", self.pushButton)
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saveToFileAction.triggered.connect(self.saveToFile)
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popupmenu.addAction(saveToFileAction)
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popupmenu.exec_(QCursor.pos())
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def saveToTemporaryFile(self):
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self.text.setText("")
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def saveToMemory(self):
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self.text.setText("memory:")
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def saveToFile(self):
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filefilter = self.output.getFileFilter(self.alg)
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settings = QSettings()
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if settings.contains("/SextanteQGIS/LastOutputPath"):
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path = str(settings.value( "/SextanteQGIS/LastOutputPath", QVariant( "" ) ).toString())
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else:
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path = SextanteConfig.getSetting(SextanteConfig.OUTPUT_FOLDER)
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lastEncoding = settings.value("/SextanteQGIS/encoding", "System").toString()
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fileDialog = QgsEncodingFileDialog(self, "Save file", QString(path), filefilter, lastEncoding)
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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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filename = fileDialog.selectedFiles().first()
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encoding = fileDialog.encoding()
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self.output.encoding = encoding
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self.text.setText(str(filename))
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settings.setValue("/SextanteQGIS/LastOutputPath", os.path.dirname(str(filename)))
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settings.setValue("/SextanteQGIS/encoding", encoding)
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def getValue(self):
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filename = str(self.text.text())
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if filename.strip() == "" or filename == OutputSelectionPanel.SAVE_TO_TEMP_FILE:
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return None
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if filename.startswith("memory:"):
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return filename
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else:
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if not os.path.isabs(filename):
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filename = SextanteConfig.getSetting(SextanteConfig.OUTPUT_FOLDER) + os.sep + filename
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return filename
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