tools/designer/src/lib/shared/plugindialog.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/plugindialog.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,207 @@
+/****************************************************************************
+**
+** 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 Qt Designer 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 "plugindialog_p.h"
+#include "pluginmanager_p.h"
+#include "qdesigner_integration_p.h"
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerCustomWidgetCollectionInterface>
+#include <QtDesigner/QDesignerWidgetDataBaseInterface>
+
+#include <QtGui/QStyle>
+#include <QtGui/QHeaderView>
+#include <QtGui/QPushButton>
+#include <QtCore/QFileInfo>
+#include <QtCore/QPluginLoader>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+PluginDialog::PluginDialog(QDesignerFormEditorInterface *core, QWidget *parent)
+    : QDialog(parent
+#ifdef Q_WS_MAC
+            , Qt::Tool
+#endif
+            ), m_core(core)
+{
+    ui.setupUi(this);
+
+    ui.message->hide();
+
+    const QStringList headerLabels(tr("Components"));
+
+    ui.treeWidget->setAlternatingRowColors(false);
+    ui.treeWidget->setSelectionMode(QAbstractItemView::NoSelection);
+    ui.treeWidget->setHeaderLabels(headerLabels);
+    ui.treeWidget->header()->hide();
+
+    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"));
+    populateTreeWidget();
+
+    if (qobject_cast<qdesigner_internal::QDesignerIntegration *>(m_core->integration())) {
+        QPushButton *updateButton = new QPushButton(tr("Refresh"));
+        const QString tooltip = tr("Scan for newly installed custom widget plugins.");
+        updateButton->setToolTip(tooltip);
+        updateButton->setWhatsThis(tooltip);
+        connect(updateButton, SIGNAL(clicked()), this, SLOT(updateCustomWidgetPlugins()));
+        ui.buttonBox->addButton(updateButton, QDialogButtonBox::ActionRole);
+    }
+}
+
+void PluginDialog::populateTreeWidget()
+{
+    ui.treeWidget->clear();
+    QDesignerPluginManager *pluginManager = m_core->pluginManager();
+    const QStringList fileNames = pluginManager->registeredPlugins();
+
+    if (!fileNames.isEmpty()) {
+        QTreeWidgetItem *topLevelItem = setTopLevelItem(QLatin1String("Loaded Plugins"));
+        QFont boldFont = topLevelItem->font(0);
+
+        foreach (QString fileName, fileNames) {
+            QPluginLoader loader(fileName);
+            const QFileInfo fileInfo(fileName);
+
+            QTreeWidgetItem *pluginItem = setPluginItem(topLevelItem, fileInfo.fileName(), boldFont);
+
+            if (QObject *plugin = loader.instance()) {
+                if (const QDesignerCustomWidgetCollectionInterface *c = qobject_cast<QDesignerCustomWidgetCollectionInterface*>(plugin)) {
+                    foreach (const QDesignerCustomWidgetInterface *p, c->customWidgets())
+                        setItem(pluginItem, p->name(), p->toolTip(), p->whatsThis(), p->icon());
+                } else {
+                    if (const QDesignerCustomWidgetInterface *p = qobject_cast<QDesignerCustomWidgetInterface*>(plugin))
+                        setItem(pluginItem, p->name(), p->toolTip(), p->whatsThis(), p->icon());
+                }
+            }
+        }
+    }
+
+    const QStringList notLoadedPlugins = pluginManager->failedPlugins();
+    if (!notLoadedPlugins.isEmpty()) {
+        QTreeWidgetItem *topLevelItem = setTopLevelItem(QLatin1String("Failed Plugins"));
+        const QFont boldFont = topLevelItem->font(0);
+        foreach (const QString plugin, notLoadedPlugins) {
+            const QString failureReason = pluginManager->failureReason(plugin);
+            QTreeWidgetItem *pluginItem = setPluginItem(topLevelItem, plugin, boldFont);
+            setItem(pluginItem, failureReason, failureReason, QString(), QIcon());
+        }
+    }
+
+    if (ui.treeWidget->topLevelItemCount() == 0) {
+        ui.label->setText(tr("Qt Designer couldn't find any plugins"));
+        ui.treeWidget->hide();
+    } else {
+        ui.label->setText(tr("Qt Designer found the following plugins"));
+    }
+}
+
+QIcon PluginDialog::pluginIcon(const QIcon &icon)
+{
+    if (icon.isNull())
+        return QIcon(QLatin1String(":/trolltech/formeditor/images/qtlogo.png"));
+
+    return icon;
+}
+
+QTreeWidgetItem* PluginDialog::setTopLevelItem(const QString &itemName)
+{
+    QTreeWidgetItem *topLevelItem = new QTreeWidgetItem(ui.treeWidget);
+    topLevelItem->setText(0, itemName);
+    ui.treeWidget->setItemExpanded(topLevelItem, true);
+    topLevelItem->setIcon(0, style()->standardPixmap(QStyle::SP_DirOpenIcon));
+
+    QFont boldFont = topLevelItem->font(0);
+    boldFont.setBold(true);
+    topLevelItem->setFont(0, boldFont);
+
+    return topLevelItem;
+}
+
+QTreeWidgetItem* PluginDialog::setPluginItem(QTreeWidgetItem *topLevelItem,
+                                             const QString &itemName, const QFont &font)
+{
+    QTreeWidgetItem *pluginItem = new QTreeWidgetItem(topLevelItem);
+    pluginItem->setFont(0, font);
+    pluginItem->setText(0, itemName);
+    ui.treeWidget->setItemExpanded(pluginItem, true);
+    pluginItem->setIcon(0, style()->standardPixmap(QStyle::SP_DirOpenIcon));
+
+    return pluginItem;
+}
+
+void PluginDialog::setItem(QTreeWidgetItem *pluginItem, const QString &name,
+                           const QString &toolTip, const QString &whatsThis, const QIcon &icon)
+{
+    QTreeWidgetItem *item = new QTreeWidgetItem(pluginItem);
+    item->setText(0, name);
+    item->setToolTip(0, toolTip);
+    item->setWhatsThis(0, whatsThis);
+    item->setIcon(0, pluginIcon(icon));
+}
+
+void  PluginDialog::updateCustomWidgetPlugins()
+{
+    if (qdesigner_internal::QDesignerIntegration *integration = qobject_cast<qdesigner_internal::QDesignerIntegration *>(m_core->integration())) {
+        const int before = m_core->widgetDataBase()->count();
+        integration->updateCustomWidgetPlugins();
+        const int after = m_core->widgetDataBase()->count();
+        if (after >  before) {
+            ui.message->setText(tr("New custom widget plugins have been found."));
+            ui.message->show();
+        } else {
+            ui.message->setText(QString());
+        }
+        populateTreeWidget();
+    }
+}
+
+}
+
+QT_END_NAMESPACE