| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Tue, 06 Jul 2010 15:10:48 +0300 | |
| changeset 30 | 5dc02b23752f |
| parent 18 | 2f34d5167611 |
| permissions | -rw-r--r-- |
| 0 | 1 |
/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the examples of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:BSD$ |
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** You may use this file under the terms of the BSD license as follows: |
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** |
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** "Redistribution and use in source and binary forms, with or without |
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** modification, are permitted provided that the following conditions are |
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** met: |
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** * Redistributions of source code must retain the above copyright |
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** notice, this list of conditions and the following disclaimer. |
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** * Redistributions in binary form must reproduce the above copyright |
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** notice, this list of conditions and the following disclaimer in |
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** the documentation and/or other materials provided with the |
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** distribution. |
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor |
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** the names of its contributors may be used to endorse or promote |
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** products derived from this software without specific prior written |
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** permission. |
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** |
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include <QtGui> |
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#include "stardelegate.h" |
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#include "stareditor.h" |
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#include "starrating.h" |
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//! [0] |
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void StarDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, |
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const QModelIndex &index) const |
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{
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if (qVariantCanConvert<StarRating>(index.data())) {
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StarRating starRating = qVariantValue<StarRating>(index.data()); |
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if (option.state & QStyle::State_Selected) |
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painter->fillRect(option.rect, option.palette.highlight()); |
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starRating.paint(painter, option.rect, option.palette, |
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StarRating::ReadOnly); |
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} else {
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QStyledItemDelegate::paint(painter, option, index); |
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} |
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//! [0] |
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} |
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//! [1] |
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QSize StarDelegate::sizeHint(const QStyleOptionViewItem &option, |
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const QModelIndex &index) const |
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{
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if (qVariantCanConvert<StarRating>(index.data())) {
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StarRating starRating = qVariantValue<StarRating>(index.data()); |
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return starRating.sizeHint(); |
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} else {
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return QStyledItemDelegate::sizeHint(option, index); |
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} |
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} |
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//! [1] |
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//! [2] |
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QWidget *StarDelegate::createEditor(QWidget *parent, |
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const QStyleOptionViewItem &option, |
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const QModelIndex &index) const |
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{
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if (qVariantCanConvert<StarRating>(index.data())) {
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StarEditor *editor = new StarEditor(parent); |
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connect(editor, SIGNAL(editingFinished()), |
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this, SLOT(commitAndCloseEditor())); |
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return editor; |
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} else {
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return QStyledItemDelegate::createEditor(parent, option, index); |
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} |
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} |
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//! [2] |
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//! [3] |
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void StarDelegate::setEditorData(QWidget *editor, |
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const QModelIndex &index) const |
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{
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if (qVariantCanConvert<StarRating>(index.data())) {
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StarRating starRating = qVariantValue<StarRating>(index.data()); |
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StarEditor *starEditor = qobject_cast<StarEditor *>(editor); |
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starEditor->setStarRating(starRating); |
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} else {
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QStyledItemDelegate::setEditorData(editor, index); |
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} |
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} |
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//! [3] |
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//! [4] |
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void StarDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, |
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const QModelIndex &index) const |
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{
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if (qVariantCanConvert<StarRating>(index.data())) {
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StarEditor *starEditor = qobject_cast<StarEditor *>(editor); |
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model->setData(index, qVariantFromValue(starEditor->starRating())); |
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} else {
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QStyledItemDelegate::setModelData(editor, model, index); |
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} |
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} |
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//! [4] |
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//! [5] |
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void StarDelegate::commitAndCloseEditor() |
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{
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StarEditor *editor = qobject_cast<StarEditor *>(sender()); |
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emit commitData(editor); |
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emit closeEditor(editor); |
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} |
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//! [5] |