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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "menucontent.h"
#include "colors.h"
#include "menumanager.h"
#include "demotextitem.h"
#include "headingitem.h"
MenuContentItem::MenuContentItem(const QDomElement &el, QGraphicsScene *scene, QGraphicsItem *parent)
: DemoItem(scene, parent)
{
this->name = el.attribute("name");
this->heading = 0;
this->description1 = 0;
this->description2 = 0;
if (el.tagName() == "demos")
this->readmePath = QLibraryInfo::location(QLibraryInfo::DemosPath) + "/README";
else
this->readmePath = QLibraryInfo::location(QLibraryInfo::ExamplesPath) + "/" + el.attribute("dirname") + "/README";
}
void MenuContentItem::prepare()
{
if (!this->prepared){
this->prepared= true;
this->createContent();
}
}
void MenuContentItem::animationStopped(int id)
{
if (this->name == Colors::rootMenuName)
return; // Optimization hack.
if (id == DemoItemAnimation::ANIM_OUT){
// Free up some memory:
delete this->heading;
delete this->description1;
delete this->description2;
this->heading = 0;
this->description1 = 0;
this->description2 = 0;
this->prepared = false;
}
}
QString MenuContentItem::loadDescription(int startPara, int nrPara)
{
QString result;
QFile readme(this->readmePath);
if (!readme.open(QFile::ReadOnly)){
if (Colors::verbose)
qDebug() << "- MenuContentItem::loadDescription: Could not load:" << this->readmePath;
return "";
}
QTextStream in(&readme);
// Skip a certain number of paragraphs:
while (startPara)
if (in.readLine().isEmpty()) --startPara;
// Read in the number of wanted paragraphs:
QString line = in.readLine();
do {
result += line + " ";
line = in.readLine();
if (line.isEmpty()){
--nrPara;
line = "<br><br>" + in.readLine();
}
} while (nrPara && !in.atEnd());
return Colors::contentColor + result;
}
void MenuContentItem::createContent()
{
// Create the items:
this->heading = new HeadingItem(this->name, this->scene(), this);
QString para1 = this->loadDescription(0, 1);
if (para1.isEmpty())
para1 = Colors::contentColor + QLatin1String("Could not load description. Ensure that the documentation for Qt is built.");
QColor bgcolor = Colors::sceneBg1.darker(200);
bgcolor.setAlpha(100);
this->description1 = new DemoTextItem(para1, Colors::contentFont(), Colors::heading, 500, this->scene(), this, DemoTextItem::STATIC_TEXT);
this->description2 = new DemoTextItem(this->loadDescription(1, 2), Colors::contentFont(), Colors::heading, 250, this->scene(), this, DemoTextItem::STATIC_TEXT);
// Place the items on screen:
this->heading->setPos(0, 3);
this->description1->setPos(0, this->heading->pos().y() + this->heading->boundingRect().height() + 10);
this->description2->setPos(0, this->description1->pos().y() + this->description1->boundingRect().height() + 15);
}
QRectF MenuContentItem::boundingRect() const
{
return QRectF(0, 0, 500, 350);
}
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