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

99 lines
3.8 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
MultipleInputDialog.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__ = '$Format:%H$'
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from processing.ui.ui_DlgMultipleSelection import Ui_DlgMultipleSelection
class MultipleInputDialog(QDialog, Ui_DlgMultipleSelection):
def __init__(self, options, selectedoptions=None):
QDialog.__init__(self)
self.setupUi(self)
self.options = options
self.selectedoptions = selectedoptions or []
# Additional buttons
self.btnSelectAll = QPushButton(self.tr('Select all'))
self.buttonBox.addButton(self.btnSelectAll,
QDialogButtonBox.ActionRole)
self.btnClearSelection = QPushButton(self.tr('Clear selection'))
self.buttonBox.addButton(self.btnClearSelection,
QDialogButtonBox.ActionRole)
self.btnToggleSelection = QPushButton(self.tr('Toggle selection'))
self.buttonBox.addButton(self.btnToggleSelection,
QDialogButtonBox.ActionRole)
self.btnSelectAll.clicked.connect(self.selectAll)
self.btnClearSelection.clicked.connect(self.lstLayers.clearSelection)
self.btnToggleSelection.clicked.connect(self.toggleSelection)
self.populateList()
def populateList(self):
self.lstLayers.clear()
self.lstLayers.addItems(self.options)
selModel = self.lstLayers.selectionModel()
self.lstLayers.blockSignals(True)
for i in xrange(self.lstLayers.count()):
item = self.lstLayers.item(i)
if self.lstLayers.indexFromItem(item).row() in self.selectedoptions:
selModel.select(self.lstLayers.indexFromItem(item),
QItemSelectionModel.Select)
self.lstLayers.blockSignals(False)
def accept(self):
self.selectedoptions = []
for i in self.lstLayers.selectedItems():
self.selectedoptions.append(self.lstLayers.indexFromItem(i).row())
QDialog.accept(self)
def reject(self):
self.selectedoptions = None
QDialog.reject(self)
def selectAll(self):
selModel = self.lstLayers.selectionModel()
self.lstLayers.blockSignals(True)
for i in xrange(self.lstLayers.count()):
item = self.lstLayers.item(i)
selModel.select(self.lstLayers.indexFromItem(item),
QItemSelectionModel.Select)
self.lstLayers.blockSignals(False)
def toggleSelection(self):
selModel = self.lstLayers.selectionModel()
self.lstLayers.blockSignals(True)
for i in xrange(self.lstLayers.count()):
item = self.lstLayers.item(i)
selModel.select(self.lstLayers.indexFromItem(item),
QItemSelectionModel.Toggle)
self.lstLayers.blockSignals(False)