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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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "interfaces.h"
+#include "plugindialog.h"
+
+#include <QPluginLoader>
+#include <QStringList>
+#include <QDir>
+
+#include <QLabel>
+#include <QGridLayout>
+#include <QPushButton>
+#include <QTreeWidget>
+#include <QTreeWidgetItem>
+#include <QHeaderView>
+
+PluginDialog::PluginDialog(const QString &path, const QStringList &fileNames,
+ QWidget *parent) :
+ QDialog(parent),
+ label(new QLabel),
+ treeWidget(new QTreeWidget),
+ okButton(new QPushButton(tr("OK")))
+{
+ treeWidget->setAlternatingRowColors(false);
+ treeWidget->setSelectionMode(QAbstractItemView::NoSelection);
+ treeWidget->setColumnCount(1);
+ treeWidget->header()->hide();
+
+ okButton->setDefault(true);
+
+ connect(okButton, SIGNAL(clicked()), this, SLOT(close()));
+
+ QGridLayout *mainLayout = new QGridLayout;
+ mainLayout->setColumnStretch(0, 1);
+ mainLayout->setColumnStretch(2, 1);
+ mainLayout->addWidget(label, 0, 0, 1, 3);
+ mainLayout->addWidget(treeWidget, 1, 0, 1, 3);
+ mainLayout->addWidget(okButton, 2, 1);
+ setLayout(mainLayout);
+
+ interfaceIcon.addPixmap(style()->standardPixmap(QStyle::SP_DirOpenIcon),
+ QIcon::Normal, QIcon::On);
+ interfaceIcon.addPixmap(style()->standardPixmap(QStyle::SP_DirClosedIcon),
+ QIcon::Normal, QIcon::Off);
+ featureIcon.addPixmap(style()->standardPixmap(QStyle::SP_FileIcon));
+
+ setWindowTitle(tr("Plugin Information"));
+ findPlugins(path, fileNames);
+}
+
+//! [0]
+void PluginDialog::findPlugins(const QString &path,
+ const QStringList &fileNames)
+{
+ label->setText(tr("Plug & Paint found the following plugins\n"
+ "(looked in %1):")
+ .arg(QDir::toNativeSeparators(path)));
+
+ const QDir dir(path);
+
+ foreach (QObject *plugin, QPluginLoader::staticInstances())
+ populateTreeWidget(plugin, tr("%1 (Static Plugin)")
+ .arg(plugin->metaObject()->className()));
+
+ foreach (QString fileName, fileNames) {
+ QPluginLoader loader(dir.absoluteFilePath(fileName));
+ QObject *plugin = loader.instance();
+ if (plugin)
+ populateTreeWidget(plugin, fileName);
+ }
+}
+//! [0]
+
+//! [1]
+void PluginDialog::populateTreeWidget(QObject *plugin, const QString &text)
+{
+ QTreeWidgetItem *pluginItem = new QTreeWidgetItem(treeWidget);
+ pluginItem->setText(0, text);
+ treeWidget->setItemExpanded(pluginItem, true);
+
+ QFont boldFont = pluginItem->font(0);
+ boldFont.setBold(true);
+ pluginItem->setFont(0, boldFont);
+
+ if (plugin) {
+ BrushInterface *iBrush = qobject_cast<BrushInterface *>(plugin);
+ if (iBrush)
+ addItems(pluginItem, "BrushInterface", iBrush->brushes());
+
+ ShapeInterface *iShape = qobject_cast<ShapeInterface *>(plugin);
+ if (iShape)
+ addItems(pluginItem, "ShapeInterface", iShape->shapes());
+
+ FilterInterface *iFilter =
+ qobject_cast<FilterInterface *>(plugin);
+ if (iFilter)
+ addItems(pluginItem, "FilterInterface", iFilter->filters());
+ }
+}
+//! [1]
+
+void PluginDialog::addItems(QTreeWidgetItem *pluginItem,
+ const char *interfaceName,
+ const QStringList &features)
+{
+ QTreeWidgetItem *interfaceItem = new QTreeWidgetItem(pluginItem);
+ interfaceItem->setText(0, interfaceName);
+ interfaceItem->setIcon(0, interfaceIcon);
+
+ foreach (QString feature, features) {
+ if (feature.endsWith("..."))
+ feature.chop(3);
+ QTreeWidgetItem *featureItem = new QTreeWidgetItem(interfaceItem);
+ featureItem->setText(0, feature);
+ featureItem->setIcon(0, featureIcon);
+ }
+}