[2] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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[2] | 6 | **
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| 7 | ** This file is part of the documentation of the Qt Toolkit.
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| 8 | **
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[846] | 9 | ** $QT_BEGIN_LICENSE:BSD$
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| 10 | ** You may use this file under the terms of the BSD license as follows:
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[2] | 11 | **
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[846] | 12 | ** "Redistribution and use in source and binary forms, with or without
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| 13 | ** modification, are permitted provided that the following conditions are
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| 14 | ** met:
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| 15 | ** * Redistributions of source code must retain the above copyright
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| 16 | ** notice, this list of conditions and the following disclaimer.
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| 17 | ** * Redistributions in binary form must reproduce the above copyright
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| 18 | ** notice, this list of conditions and the following disclaimer in
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| 19 | ** the documentation and/or other materials provided with the
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| 20 | ** distribution.
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| 21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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| 22 | ** the names of its contributors may be used to endorse or promote
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| 23 | ** products derived from this software without specific prior written
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| 24 | ** permission.
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[2] | 25 | **
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[846] | 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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[2] | 37 | ** $QT_END_LICENSE$
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| 38 | **
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| 39 | ****************************************************************************/
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| 40 |
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| 41 | /*
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| 42 | window.cpp
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| 43 |
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| 44 | A minimal subclass of QTableView with slots to allow the selection model
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| 45 | to be monitored.
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| 46 | */
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| 47 |
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| 48 | #include <QAbstractItemModel>
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| 49 | #include <QItemSelection>
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| 50 | #include <QItemSelectionModel>
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| 51 | #include <QMenu>
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| 52 | #include <QMenuBar>
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| 53 | #include <QStatusBar>
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| 54 |
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| 55 | #include "model.h"
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| 56 | #include "window.h"
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| 57 |
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| 58 | MainWindow::MainWindow(QWidget *parent)
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| 59 | : QMainWindow(parent)
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| 60 | {
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| 61 | setWindowTitle("Selected Items in a Table Model");
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| 62 |
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| 63 | model = new TableModel(8, 4, this);
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| 64 |
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| 65 | table = new QTableView(this);
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| 66 | table->setModel(model);
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| 67 |
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| 68 | QMenu *actionMenu = new QMenu(tr("&Actions"), this);
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| 69 | QAction *fillAction = actionMenu->addAction(tr("&Fill Selection"));
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| 70 | QAction *clearAction = actionMenu->addAction(tr("&Clear Selection"));
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| 71 | QAction *selectAllAction = actionMenu->addAction(tr("&Select All"));
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| 72 | menuBar()->addMenu(actionMenu);
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| 73 |
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| 74 | connect(fillAction, SIGNAL(triggered()), this, SLOT(fillSelection()));
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| 75 | connect(clearAction, SIGNAL(triggered()), this, SLOT(clearSelection()));
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| 76 | connect(selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll()));
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| 77 |
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| 78 | selectionModel = table->selectionModel();
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| 79 |
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| 80 | statusBar();
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| 81 | setCentralWidget(table);
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| 82 | }
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| 83 |
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| 84 | void MainWindow::fillSelection()
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| 85 | {
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| 86 | //! [0]
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| 87 | QModelIndexList indexes = selectionModel->selectedIndexes();
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| 88 | QModelIndex index;
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| 89 |
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| 90 | foreach(index, indexes) {
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| 91 | QString text = QString("(%1,%2)").arg(index.row()).arg(index.column());
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| 92 | model->setData(index, text);
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| 93 | }
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| 94 | //! [0]
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| 95 | }
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| 96 |
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| 97 | void MainWindow::clearSelection()
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| 98 | {
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| 99 | QModelIndexList indexes = selectionModel->selectedIndexes();
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| 100 | QModelIndex index;
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| 101 |
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| 102 | foreach(index, indexes)
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| 103 | model->setData(index, "");
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| 104 | }
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| 105 |
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| 106 | void MainWindow::selectAll()
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| 107 | {
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| 108 | //! [1]
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| 109 | QModelIndex parent = QModelIndex();
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| 110 | //! [1] //! [2]
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| 111 | QModelIndex topLeft = model->index(0, 0, parent);
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| 112 | QModelIndex bottomRight = model->index(model->rowCount(parent)-1,
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| 113 | model->columnCount(parent)-1, parent);
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| 114 | //! [2]
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| 115 |
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| 116 | //! [3]
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| 117 | QItemSelection selection(topLeft, bottomRight);
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| 118 | selectionModel->select(selection, QItemSelectionModel::Select);
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| 119 | //! [3]
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| 120 | }
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