QGIS/python/plugins/processing/gui/enummodelerwidget.py
Bas Couwenberg 2628c480c5 Don't include revision in sources.
Prevent changes to files that weren't changed between releases.
This eases review of the changes between releases significantly.
2019-05-17 16:47:47 +02:00

151 lines
5.1 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
EnumModelerWidget.py
---------------------
Date : May 2018
Copyright : (C) 2018 by Alexander Bruy
Email : alexander dot bruy 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__ = 'Alexander Bruy'
__date__ = 'May 2018'
__copyright__ = '(C) 2018, Alexander Bruy'
import os
import warnings
from qgis.PyQt import uic
from qgis.PyQt.QtCore import Qt
from qgis.PyQt.QtGui import QStandardItemModel, QStandardItem
from qgis.PyQt.QtWidgets import QMessageBox
from qgis.core import QgsApplication
pluginPath = os.path.split(os.path.dirname(__file__))[0]
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
WIDGET, BASE = uic.loadUiType(
os.path.join(pluginPath, 'ui', 'enummodelerwidgetbase.ui'))
class EnumModelerWidget(BASE, WIDGET):
def __init__(self, parent=None):
super(EnumModelerWidget, self).__init__(parent)
self.setupUi(self)
self.btnAdd.setIcon(QgsApplication.getThemeIcon('/symbologyAdd.svg'))
self.btnRemove.setIcon(QgsApplication.getThemeIcon('/symbologyRemove.svg'))
self.btnClear.setIcon(QgsApplication.getThemeIcon('console/iconClearConsole.svg'))
self.btnAdd.clicked.connect(self.addItem)
self.btnRemove.clicked.connect(lambda: self.removeItems())
self.btnClear.clicked.connect(lambda: self.removeItems(True))
self.lstItems.setModel(QStandardItemModel())
self.lstItems.model().itemChanged.connect(self.onItemChanged)
def onItemChanged(self, item):
model = self.lstItems.model()
checkedItem = None
for i in range(model.rowCount()):
itm = model.item(i)
if itm.checkState() == Qt.Checked and itm.data() == Qt.Checked:
checkedItem = i
break
model.blockSignals(True)
if checkedItem is None:
item.setData(item.checkState())
else:
if self.chkAllowMultiple.isChecked():
item.setData(item.checkState())
else:
model.item(checkedItem).setCheckState(Qt.Unchecked)
model.item(checkedItem).setData(Qt.Unchecked)
item.setData(item.checkState())
model.blockSignals(False)
def addItem(self):
model = self.lstItems.model()
item = QStandardItem('new item')
item.setCheckable(True)
item.setDropEnabled(False)
item.setData(Qt.Unchecked)
model.appendRow(item)
def removeItems(self, removeAll=False):
if removeAll:
res = QMessageBox.question(self, self.tr('Clear?'), self.tr('Are you sure you want to delete all items?'))
if res == QMessageBox.Yes:
self.lstItems.model().clear()
else:
self.lstItems.setUpdatesEnabled(False)
indexes = sorted(self.lstItems.selectionModel().selectedIndexes())
for i in reversed(indexes):
self.lstItems.model().removeRow(i.row())
self.lstItems.setUpdatesEnabled(True)
def options(self):
items = []
model = self.lstItems.model()
for i in range(model.rowCount()):
item = model.item(i)
items.append(item.text())
return items
def defaultOptions(self):
options = []
model = self.lstItems.model()
for i in range(model.rowCount()):
item = model.item(i)
if item.checkState() == Qt.Checked:
if not self.allowMultiple():
return i
options.append(i)
return options if len(options) > 0 else None
def allowMultiple(self):
return self.chkAllowMultiple.isChecked()
def setOptions(self, options):
model = self.lstItems.model()
for i in options:
item = QStandardItem(i)
item.setCheckable(True)
item.setDropEnabled(False)
item.setData(Qt.Unchecked)
model.appendRow(item)
def setDefault(self, indexes):
if indexes is None:
return
model = self.lstItems.model()
if not isinstance(indexes, (list, tuple)):
indexes = [indexes]
for i in indexes:
item = model.item(i)
if item:
item.setCheckState(Qt.Checked)
item.setData(Qt.Checked)
def setAllowMultiple(self, allowMultiple):
self.chkAllowMultiple.setChecked(allowMultiple)