--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/qtdemo/examplecontent.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 "examplecontent.h"
+#include "colors.h"
+#include "menumanager.h"
+#include "imageitem.h"
+#include "headingitem.h"
+
+ExampleContent::ExampleContent(const QString &name, QGraphicsScene *scene, QGraphicsItem *parent)
+ : DemoItem(scene, parent)
+{
+ this->name = name;
+ this->heading = 0;
+ this->description = 0;
+ this->screenshot = 0;
+}
+
+void ExampleContent::prepare()
+{
+ if (!this->prepared){
+ this->prepared = true;
+ this->createContent();
+ }
+}
+
+void ExampleContent::animationStopped(int id)
+{
+ if (id == DemoItemAnimation::ANIM_OUT){
+ // Free up some memory:
+ delete this->heading;
+ delete this->description;
+ delete this->screenshot;
+ this->heading = 0;
+ this->description = 0;
+ this->screenshot = 0;
+ this->prepared = false;
+ }
+}
+
+QString ExampleContent::loadDescription()
+{
+ QByteArray ba = MenuManager::instance()->getHtml(this->name);
+
+ QDomDocument exampleDoc;
+ exampleDoc.setContent(ba, false);
+
+ QDomNodeList paragraphs = exampleDoc.elementsByTagName("p");
+ if (paragraphs.length() < 1 && Colors::verbose)
+ qDebug() << "- ExampleContent::loadDescription(): Could not load description:" << MenuManager::instance()->info[this->name]["docfile"];
+ QString description = Colors::contentColor + QLatin1String("Could not load description. Ensure that the documentation for Qt is built.");
+ for (int p = 0; p < int(paragraphs.length()); ++p) {
+ description = this->extractTextFromParagraph(paragraphs.item(p));
+ if (this->isSummary(description)) {
+ break;
+ }
+ }
+ return Colors::contentColor + description;
+}
+
+bool ExampleContent::isSummary(const QString &text)
+{
+ return (!text.contains("[") &&
+ text.indexOf(QRegExp(QString("(In )?((The|This) )?(%1 )?.*(tutorial|example|demo|application)").arg(this->name), Qt::CaseInsensitive)) != -1);
+}
+
+QString ExampleContent::extractTextFromParagraph(const QDomNode &parentNode)
+{
+ QString description;
+ QDomNode node = parentNode.firstChild();
+
+ while (!node.isNull()) {
+ QString beginTag;
+ QString endTag;
+ if (node.isText())
+ description += Colors::contentColor + node.nodeValue();
+ else if (node.hasChildNodes()) {
+ if (node.nodeName() == "b") {
+ beginTag = "<b>";
+ endTag = "</b>";
+ } else if (node.nodeName() == "a") {
+ beginTag = Colors::contentColor;
+ endTag = "</font>";
+ } else if (node.nodeName() == "i") {
+ beginTag = "<i>";
+ endTag = "</i>";
+ } else if (node.nodeName() == "tt") {
+ beginTag = "<tt>";
+ endTag = "</tt>";
+ }
+ description += beginTag + this->extractTextFromParagraph(node) + endTag;
+ }
+ node = node.nextSibling();
+ }
+
+ return description;
+}
+
+void ExampleContent::createContent()
+{
+ // Create the items:
+ this->heading = new HeadingItem(this->name, this->scene(), this);
+ this->description = new DemoTextItem(this->loadDescription(), Colors::contentFont(),
+ Colors::heading, 500, this->scene(), this);
+ int imgHeight = 340 - int(this->description->boundingRect().height()) + 50;
+ this->screenshot = new ImageItem(QImage::fromData(MenuManager::instance()->getImage(this->name)),
+ 550, imgHeight, this->scene(), this);
+
+ // Place the items on screen:
+ this->heading->setPos(0, 3);
+ this->description->setPos(0, this->heading->pos().y() + this->heading->boundingRect().height() + 10);
+ this->screenshot->setPos(0, this->description->pos().y() + this->description->boundingRect().height() + 10);
+}
+
+QRectF ExampleContent::boundingRect() const
+{
+ return QRectF(0, 0, 500, 100);
+}
+
+