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BatchInputSelectionPanel.py
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BatchInputSelectionPanel.py
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# -*- coding: utf-8 -*-
"""
***************************************************************************
BatchInputSelectionPanel.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from PyQt4.QtCore import QSettings
from PyQt4.QtGui import QWidget, QHBoxLayout, QMenu, QPushButton, QLineEdit, QSizePolicy, QAction, QCursor, QFileDialog
from processing.gui.MultipleInputDialog import MultipleInputDialog
from processing.core.parameters import ParameterMultipleInput
from processing.core.parameters import ParameterRaster
from processing.core.parameters import ParameterVector
from processing.core.parameters import ParameterTable
from processing.tools import dataobjects
class BatchInputSelectionPanel(QWidget):
def __init__(self, param, row, col, panel):
super(BatchInputSelectionPanel, self).__init__(None)
self.param = param
self.panel = panel
self.table = self.panel.tblParameters
self.row = row
self.col = col
self.horizontalLayout = QHBoxLayout(self)
self.horizontalLayout.setSpacing(0)
self.horizontalLayout.setMargin(0)
self.text = QLineEdit()
self.text.setMinimumWidth(300)
self.text.setText('')
self.text.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.horizontalLayout.addWidget(self.text)
self.pushButton = QPushButton()
self.pushButton.setText('...')
self.pushButton.clicked.connect(self.showPopupMenu)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
def showPopupMenu(self):
popupmenu = QMenu()
if not (isinstance(self.param, ParameterMultipleInput) and
self.param.datatype == ParameterMultipleInput.TYPE_FILE):
selectLayerAction = QAction(
self.tr('Select from open layers'), self.pushButton)
selectLayerAction.triggered.connect(self.showLayerSelectionDialog)
popupmenu.addAction(selectLayerAction)
selectFileAction = QAction(
self.tr('Select from filesystem'), self.pushButton)
selectFileAction.triggered.connect(self.showFileSelectionDialog)
popupmenu.addAction(selectFileAction)
popupmenu.exec_(QCursor.pos())
def showLayerSelectionDialog(self):
if (isinstance(self.param, ParameterRaster) or
(isinstance(self.param, ParameterMultipleInput) and
self.param.datatype == ParameterMultipleInput.TYPE_RASTER)):
layers = dataobjects.getRasterLayers()
elif isinstance(self.param, ParameterTable):
layers = dataobjects.getTables()
else:
if isinstance(self.param, ParameterVector):
datatype = self.param.shapetype
else:
datatype = [self.param.datatype]
layers = dataobjects.getVectorLayers(datatype)
dlg = MultipleInputDialog([layer.name() for layer in layers])
dlg.exec_()
if dlg.selectedoptions is not None:
selected = dlg.selectedoptions
if len(selected) == 1:
self.text.setText(layers[selected[0]].name())
else:
if isinstance(self.param, ParameterMultipleInput):
self.text.setText(';'.join(layers[idx].name() for idx in selected))
else:
rowdif = len(selected) - (self.table.rowCount() - self.row)
for i in range(rowdif):
self.panel.addRow()
for i, layeridx in enumerate(selected):
self.table.cellWidget(i + self.row,
self.col).setText(layers[layeridx].name())
def showFileSelectionDialog(self):
settings = QSettings()
text = unicode(self.text.text())
if os.path.isdir(text):
path = text
elif os.path.isdir(os.path.dirname(text)):
path = os.path.dirname(text)
elif settings.contains('/Processing/LastInputPath'):
path = unicode(settings.value('/Processing/LastInputPath'))
else:
path = ''
ret = QFileDialog.getOpenFileNames(self, self.tr('Open file'), path,
self.tr('All files(*.*);;') + self.param.getFileFilter())
if ret:
files = list(ret)
settings.setValue('/Processing/LastInputPath',
os.path.dirname(unicode(files[0])))
for i, filename in enumerate(files):
files[i] = dataobjects.getRasterSublayer(filename, self.param)
if len(files) == 1:
self.text.setText(files[0])
else:
if isinstance(self.param, ParameterMultipleInput):
self.text.setText(';'.join(unicode(f) for f in files))
else:
rowdif = len(files) - (self.table.rowCount() - self.row)
for i in range(rowdif):
self.panel.addRow()
for i, f in enumerate(files):
self.table.cellWidget(i + self.row,
self.col).setText(f)
def setText(self, text):
return self.text.setText(text)
def getText(self):
return self.text.text()