File indexing completed on 2024-10-13 03:39:01
0001 /* 0002 SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net> 0003 SPDX-FileContributor: Stephen Kelly <stephen@kdab.com> 0004 0005 SPDX-License-Identifier: LGPL-2.0-or-later 0006 */ 0007 0008 #include "statesaverwidget.h" 0009 0010 #include <QApplication> 0011 #include <QSplitter> 0012 #include <QTreeView> 0013 0014 #include <KConfig> 0015 #include <KConfigGroup> 0016 #include <ksharedconfig.h> 0017 0018 #include "dynamictreemodel.h" 0019 #include "dynamictreewidget.h" 0020 0021 QModelIndex DynamicTreeStateSaver::indexFromConfigString(const QAbstractItemModel *model, const QString &key) const 0022 { 0023 QModelIndexList list = model->match(model->index(0, 0), DynamicTreeModel::DynamicTreeModelId, key.toInt(), 1, Qt::MatchRecursive); 0024 if (list.isEmpty()) { 0025 return QModelIndex(); 0026 } 0027 return list.first(); 0028 } 0029 0030 QString DynamicTreeStateSaver::indexToConfigString(const QModelIndex &index) const 0031 { 0032 return index.data(DynamicTreeModel::DynamicTreeModelId).toString(); 0033 } 0034 0035 DynamicTreeStateSaver::DynamicTreeStateSaver(QObject *parent) 0036 : KViewStateSaver(parent) 0037 { 0038 } 0039 0040 StateSaverWidget::StateSaverWidget(QWidget *parent, Qt::WindowFlags f) 0041 : QWidget(parent, f) 0042 { 0043 QSplitter *splitter = new QSplitter(this); 0044 QHBoxLayout *layout = new QHBoxLayout(this); 0045 layout->addWidget(splitter); 0046 0047 DynamicTreeModel *model = new DynamicTreeModel(this); 0048 0049 DynamicTreeWidget *dynamicTreeWidget = new DynamicTreeWidget(model, splitter); 0050 0051 m_view = new QTreeView(splitter); 0052 m_view->setSelectionMode(QAbstractItemView::ExtendedSelection); 0053 m_view->setModel(model); 0054 0055 connect(model, SIGNAL(modelAboutToBeReset()), SLOT(saveState())); 0056 connect(model, SIGNAL(modelReset()), SLOT(restoreState())); 0057 connect(qApp, SIGNAL(aboutToQuit()), SLOT(saveState())); 0058 0059 restoreState(); 0060 } 0061 0062 StateSaverWidget::~StateSaverWidget() 0063 { 0064 saveState(); 0065 } 0066 0067 void StateSaverWidget::saveState() 0068 { 0069 DynamicTreeStateSaver saver; 0070 saver.setView(m_view); 0071 0072 KConfigGroup cfg(KSharedConfig::openConfig(), "ExampleViewState"); 0073 saver.saveState(cfg); 0074 cfg.sync(); 0075 } 0076 0077 void StateSaverWidget::restoreState() 0078 { 0079 DynamicTreeStateSaver *saver = new DynamicTreeStateSaver; 0080 saver->setView(m_view); 0081 KConfigGroup cfg(KSharedConfig::openConfig(), "ExampleViewState"); 0082 saver->restoreState(cfg); 0083 } 0084 0085 #include "moc_statesaverwidget.cpp"