QGIS/python/plugins/processing/gui/BatchInputSelectionPanel.py

143 lines
6.1 KiB
Python

# -*- 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 import QtGui, QtCore
from processing.parameters.ParameterMultipleInput import ParameterMultipleInput
from processing.gui.MultipleInputDialog import MultipleInputDialog
from processing.tools import dataobjects
from processing.parameters.ParameterRaster import ParameterRaster
from processing.parameters.ParameterVector import ParameterVector
from processing.parameters.ParameterTable import ParameterTable
class BatchInputSelectionPanel(QtGui.QWidget):
def __init__(self, param, row, col, batchDialog, parent=None):
super(BatchInputSelectionPanel, self).__init__(parent)
self.param = param
self.batchDialog = batchDialog
self.table = batchDialog.table
self.row = row
self.col = col
self.horizontalLayout = QtGui.QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.text = QtGui.QLineEdit()
self.text.setText('')
self.text.setSizePolicy(QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
self.horizontalLayout.addWidget(self.text)
self.pushButton = QtGui.QPushButton()
self.pushButton.setText('...')
self.pushButton.clicked.connect(self.showPopupMenu)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
def showPopupMenu(self):
popupmenu = QtGui.QMenu()
if not (isinstance(self.param, ParameterMultipleInput)
and self.param.datatype == ParameterMultipleInput.TYPE_FILE):
selectLayerAction = QtGui.QAction('Select from open layers',
self.pushButton)
selectLayerAction.triggered.connect(self.showLayerSelectionDialog)
popupmenu.addAction(selectLayerAction)
selectFileAction = QtGui.QAction('Select from filesystem',
self.pushButton)
selectFileAction.triggered.connect(self.showFileSelectionDialog)
popupmenu.addAction(selectFileAction)
popupmenu.exec_(QtGui.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(layers) - (self.table.rowCount() - self.row)
for i in range(rowdif):
self.batchDialog.addRow()
for i, layeridx in enumerate(selected):
self.table.cellWidget(i + self.row,
self.col).setText(layers[layeridx].name())
def showFileSelectionDialog(self):
settings = QtCore.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 = QtGui.QFileDialog.getOpenFileNames(self, 'Open file', path,
self.param.getFileFilter())
if ret:
files = list(ret)
if len(files) == 1:
settings.setValue('/Processing/LastInputPath',
os.path.dirname(unicode(files[0])))
self.text.setText(files[0])
else:
settings.setValue('/Processing/LastInputPath',
os.path.dirname(unicode(files[0])))
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.batchDialog.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()