Mercurial > projects > qtd
view examples/itemviews/editabletreemodel/mainwindow.d @ 412:4189f1d51a7d
support for new dmd naming
author | Max Samukha <maxsamukha@gmail.com> |
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date | Thu, 05 May 2011 20:11:26 +0300 |
parents | ea0861a37bf6 |
children |
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/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at qt-sales@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ module mainwindow; import qt.core.QModelIndex; import qt.core.QFile; import qt.gui.QMainWindow; import qt.gui.QAction; import qt.gui.QTreeView; import qt.gui.QWidget; import tango.text.convert.Format; import ui_mainwindow; import mainwindow; import treemodel; class MainWindow : public QMainWindow { mixin Ui_MainWindow; public: this(QWidget parent = null) { super(parent); setupUi(this); string[] headers; headers ~= tr("Title"); headers ~= tr("Description"); auto file = new QFile(":/default.txt"); file.open(QIODevice.ReadOnly); TreeModel model = new TreeModel(headers, file.readAll().data()[0..file.size()]); file.close(); view.setModel(model); for (int column = 0; column < model.columnCount(); ++column) view.resizeColumnToContents(column); exitAction.triggered.connect(&QApplication.quit); view.selectionModel().selectionChanged.connect(&this.updateActions); actionsMenu.aboutToShow.connect(&this.updateActions); insertRowAction.triggered.connect(&this.insertRow); insertColumnAction.triggered.connect(&this.insertColumn); removeRowAction.triggered.connect(&this.removeRow); removeColumnAction.triggered.connect(&this.removeColumn); insertChildAction.triggered.connect(&this.insertChild); updateActions(); } public: void updateActions() { bool hasSelection = !view.selectionModel().selection().isEmpty(); removeRowAction.setEnabled(hasSelection); removeColumnAction.setEnabled(hasSelection); bool hasCurrent = view.selectionModel().currentIndex().isValid(); insertRowAction.setEnabled(hasCurrent); insertColumnAction.setEnabled(hasCurrent); if (hasCurrent) { view.closePersistentEditor(view.selectionModel().currentIndex()); int row = view.selectionModel().currentIndex().row(); int column = view.selectionModel().currentIndex().column(); if (view.selectionModel().currentIndex().parent().isValid()) statusBar().showMessage(Format(tr("Position: ({},{})"), row, column)); else statusBar().showMessage(Format(tr("Position: ({},{}) in top level"), row, column)); } } private: void insertChild() { QModelIndex index = view.selectionModel().currentIndex(); QAbstractItemModel model = view.model(); if (model.columnCount(index) == 0) { if (!model.insertColumn(0, index)) return; } if (!model.insertRow(0, index)) return; for (int column = 0; column < model.columnCount(index); ++column) { QModelIndex child = model.index(0, column, index); model.setData(child, QVariant("[No data]"), Qt.EditRole); if (!model.headerData(column, Qt.Horizontal).isValid()) model.setHeaderData(column, Qt.Horizontal, QVariant("[No header]"), Qt.EditRole); } view.selectionModel().setCurrentIndex(model.index(0, 0, index), QItemSelectionModel.ClearAndSelect); updateActions(); } bool insertColumn() { QModelIndex parent = QModelIndex(); //moved from method head QAbstractItemModel model = view.model(); int column = view.selectionModel().currentIndex().column(); // Insert a column in the parent item. bool changed = model.insertColumn(column + 1, parent); if (changed) model.setHeaderData(column + 1, Qt.Horizontal, QVariant("[No header]"), Qt.EditRole); updateActions(); return changed; } void insertRow() { QModelIndex index = view.selectionModel().currentIndex(); QAbstractItemModel model = view.model(); if (!model.insertRow(index.row()+1, index.parent())) return; updateActions(); for (int column = 0; column < model.columnCount(index.parent()); ++column) { QModelIndex child = model.index(index.row()+1, column, index.parent()); model.setData(child, QVariant("[No data]"), Qt.EditRole); } } bool removeColumn() { QModelIndex parent = QModelIndex(); //moved from method head QAbstractItemModel model = view.model(); int column = view.selectionModel().currentIndex().column(); // Insert columns in each child of the parent item. bool changed = model.removeColumn(column, parent); if (!parent.isValid() && changed) updateActions(); return changed; } void removeRow() { QModelIndex index = view.selectionModel().currentIndex(); QAbstractItemModel model = view.model(); if (model.removeRow(index.row(), index.parent())) updateActions(); } }