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2628c480c5
Prevent changes to files that weren't changed between releases. This eases review of the changes between releases significantly.
111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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CheckBoxesPanel.py
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---------------------
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Date : January 2015
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Copyright : (C) 2015 by Arnaud Morvan
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Email : arnaud dot morvan at camptocamp dot com
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Contributors : Arnaud Morvan
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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__ = 'Arnaud Morvan'
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__date__ = 'January 2015'
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__copyright__ = '(C) 2015, Arnaud Morvan'
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from qgis.PyQt.QtCore import Qt
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from qgis.PyQt.QtWidgets import (
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QCheckBox,
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QRadioButton,
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QGridLayout,
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QButtonGroup,
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QSizePolicy,
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QSpacerItem,
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QWidget,
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QMenu,
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QAction
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)
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from qgis.PyQt.QtGui import QCursor
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class CheckboxesPanel(QWidget):
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def __init__(self, options, multiple, columns=2, parent=None):
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super(CheckboxesPanel, self).__init__(parent)
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self._options = []
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for i, option in enumerate(options):
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if isinstance(option, str):
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self._options.append((i, option))
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else:
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self.options.append(option)
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self._multiple = multiple
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self._buttons = []
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rows = len(options) / columns
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self._buttonGroup = QButtonGroup()
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self._buttonGroup.setExclusive(not multiple)
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layout = QGridLayout()
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setMargin(0)
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for i, (v, t) in enumerate(self._options):
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if multiple:
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button = QCheckBox(t)
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else:
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button = QRadioButton(t)
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self._buttons.append((v, button))
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self._buttonGroup.addButton(button, i)
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layout.addWidget(button, i % rows, i / rows)
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layout.addItem(QSpacerItem(0, 0, QSizePolicy.Expanding, QSizePolicy.Minimum),
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0, columns)
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self.setLayout(layout)
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if multiple:
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self.setContextMenuPolicy(Qt.CustomContextMenu)
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self.customContextMenuRequested.connect(self.showPopupMenu)
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def showPopupMenu(self):
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popup_menu = QMenu()
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select_all_action = QAction(self.tr('Select All'), popup_menu)
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select_all_action.triggered.connect(self.selectAll)
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clear_all_action = QAction(self.tr('Clear Selection'), popup_menu)
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clear_all_action.triggered.connect(self.deselectAll)
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popup_menu.addAction(select_all_action)
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popup_menu.addAction(clear_all_action)
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popup_menu.exec_(QCursor.pos())
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def selectAll(self):
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for (v, button) in self._buttons:
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button.setChecked(True)
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def deselectAll(self):
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for (v, button) in self._buttons:
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button.setChecked(False)
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def value(self):
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if self._multiple:
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value = []
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for (v, checkbox) in self._buttons:
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if checkbox.isChecked():
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value.append(v)
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return value
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else:
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return self._options[self._buttonGroup.checkedId()][0]
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def setValue(self, value):
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if self._multiple:
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for (v, button) in self._buttons:
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button.setChecked(v in value)
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else:
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for v, button in self._buttons:
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button.setChecked(v == value)
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