tools/designer/src/lib/shared/plugindialog.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Designer of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 
       
    43 #include "plugindialog_p.h"
       
    44 #include "pluginmanager_p.h"
       
    45 #include "qdesigner_integration_p.h"
       
    46 
       
    47 #include <QtDesigner/QDesignerFormEditorInterface>
       
    48 #include <QtDesigner/QDesignerCustomWidgetCollectionInterface>
       
    49 #include <QtDesigner/QDesignerWidgetDataBaseInterface>
       
    50 
       
    51 #include <QtGui/QStyle>
       
    52 #include <QtGui/QHeaderView>
       
    53 #include <QtGui/QPushButton>
       
    54 #include <QtCore/QFileInfo>
       
    55 #include <QtCore/QPluginLoader>
       
    56 
       
    57 QT_BEGIN_NAMESPACE
       
    58 
       
    59 namespace qdesigner_internal {
       
    60 
       
    61 PluginDialog::PluginDialog(QDesignerFormEditorInterface *core, QWidget *parent)
       
    62     : QDialog(parent
       
    63 #ifdef Q_WS_MAC
       
    64             , Qt::Tool
       
    65 #endif
       
    66             ), m_core(core)
       
    67 {
       
    68     ui.setupUi(this);
       
    69 
       
    70     ui.message->hide();
       
    71 
       
    72     const QStringList headerLabels(tr("Components"));
       
    73 
       
    74     ui.treeWidget->setAlternatingRowColors(false);
       
    75     ui.treeWidget->setSelectionMode(QAbstractItemView::NoSelection);
       
    76     ui.treeWidget->setHeaderLabels(headerLabels);
       
    77     ui.treeWidget->header()->hide();
       
    78 
       
    79     interfaceIcon.addPixmap(style()->standardPixmap(QStyle::SP_DirOpenIcon),
       
    80                             QIcon::Normal, QIcon::On);
       
    81     interfaceIcon.addPixmap(style()->standardPixmap(QStyle::SP_DirClosedIcon),
       
    82                             QIcon::Normal, QIcon::Off);
       
    83     featureIcon.addPixmap(style()->standardPixmap(QStyle::SP_FileIcon));
       
    84 
       
    85     setWindowTitle(tr("Plugin Information"));
       
    86     populateTreeWidget();
       
    87 
       
    88     if (qobject_cast<qdesigner_internal::QDesignerIntegration *>(m_core->integration())) {
       
    89         QPushButton *updateButton = new QPushButton(tr("Refresh"));
       
    90         const QString tooltip = tr("Scan for newly installed custom widget plugins.");
       
    91         updateButton->setToolTip(tooltip);
       
    92         updateButton->setWhatsThis(tooltip);
       
    93         connect(updateButton, SIGNAL(clicked()), this, SLOT(updateCustomWidgetPlugins()));
       
    94         ui.buttonBox->addButton(updateButton, QDialogButtonBox::ActionRole);
       
    95     }
       
    96 }
       
    97 
       
    98 void PluginDialog::populateTreeWidget()
       
    99 {
       
   100     ui.treeWidget->clear();
       
   101     QDesignerPluginManager *pluginManager = m_core->pluginManager();
       
   102     const QStringList fileNames = pluginManager->registeredPlugins();
       
   103 
       
   104     if (!fileNames.isEmpty()) {
       
   105         QTreeWidgetItem *topLevelItem = setTopLevelItem(QLatin1String("Loaded Plugins"));
       
   106         QFont boldFont = topLevelItem->font(0);
       
   107 
       
   108         foreach (QString fileName, fileNames) {
       
   109             QPluginLoader loader(fileName);
       
   110             const QFileInfo fileInfo(fileName);
       
   111 
       
   112             QTreeWidgetItem *pluginItem = setPluginItem(topLevelItem, fileInfo.fileName(), boldFont);
       
   113 
       
   114             if (QObject *plugin = loader.instance()) {
       
   115                 if (const QDesignerCustomWidgetCollectionInterface *c = qobject_cast<QDesignerCustomWidgetCollectionInterface*>(plugin)) {
       
   116                     foreach (const QDesignerCustomWidgetInterface *p, c->customWidgets())
       
   117                         setItem(pluginItem, p->name(), p->toolTip(), p->whatsThis(), p->icon());
       
   118                 } else {
       
   119                     if (const QDesignerCustomWidgetInterface *p = qobject_cast<QDesignerCustomWidgetInterface*>(plugin))
       
   120                         setItem(pluginItem, p->name(), p->toolTip(), p->whatsThis(), p->icon());
       
   121                 }
       
   122             }
       
   123         }
       
   124     }
       
   125 
       
   126     const QStringList notLoadedPlugins = pluginManager->failedPlugins();
       
   127     if (!notLoadedPlugins.isEmpty()) {
       
   128         QTreeWidgetItem *topLevelItem = setTopLevelItem(QLatin1String("Failed Plugins"));
       
   129         const QFont boldFont = topLevelItem->font(0);
       
   130         foreach (const QString plugin, notLoadedPlugins) {
       
   131             const QString failureReason = pluginManager->failureReason(plugin);
       
   132             QTreeWidgetItem *pluginItem = setPluginItem(topLevelItem, plugin, boldFont);
       
   133             setItem(pluginItem, failureReason, failureReason, QString(), QIcon());
       
   134         }
       
   135     }
       
   136 
       
   137     if (ui.treeWidget->topLevelItemCount() == 0) {
       
   138         ui.label->setText(tr("Qt Designer couldn't find any plugins"));
       
   139         ui.treeWidget->hide();
       
   140     } else {
       
   141         ui.label->setText(tr("Qt Designer found the following plugins"));
       
   142     }
       
   143 }
       
   144 
       
   145 QIcon PluginDialog::pluginIcon(const QIcon &icon)
       
   146 {
       
   147     if (icon.isNull())
       
   148         return QIcon(QLatin1String(":/trolltech/formeditor/images/qtlogo.png"));
       
   149 
       
   150     return icon;
       
   151 }
       
   152 
       
   153 QTreeWidgetItem* PluginDialog::setTopLevelItem(const QString &itemName)
       
   154 {
       
   155     QTreeWidgetItem *topLevelItem = new QTreeWidgetItem(ui.treeWidget);
       
   156     topLevelItem->setText(0, itemName);
       
   157     ui.treeWidget->setItemExpanded(topLevelItem, true);
       
   158     topLevelItem->setIcon(0, style()->standardPixmap(QStyle::SP_DirOpenIcon));
       
   159 
       
   160     QFont boldFont = topLevelItem->font(0);
       
   161     boldFont.setBold(true);
       
   162     topLevelItem->setFont(0, boldFont);
       
   163 
       
   164     return topLevelItem;
       
   165 }
       
   166 
       
   167 QTreeWidgetItem* PluginDialog::setPluginItem(QTreeWidgetItem *topLevelItem,
       
   168                                              const QString &itemName, const QFont &font)
       
   169 {
       
   170     QTreeWidgetItem *pluginItem = new QTreeWidgetItem(topLevelItem);
       
   171     pluginItem->setFont(0, font);
       
   172     pluginItem->setText(0, itemName);
       
   173     ui.treeWidget->setItemExpanded(pluginItem, true);
       
   174     pluginItem->setIcon(0, style()->standardPixmap(QStyle::SP_DirOpenIcon));
       
   175 
       
   176     return pluginItem;
       
   177 }
       
   178 
       
   179 void PluginDialog::setItem(QTreeWidgetItem *pluginItem, const QString &name,
       
   180                            const QString &toolTip, const QString &whatsThis, const QIcon &icon)
       
   181 {
       
   182     QTreeWidgetItem *item = new QTreeWidgetItem(pluginItem);
       
   183     item->setText(0, name);
       
   184     item->setToolTip(0, toolTip);
       
   185     item->setWhatsThis(0, whatsThis);
       
   186     item->setIcon(0, pluginIcon(icon));
       
   187 }
       
   188 
       
   189 void  PluginDialog::updateCustomWidgetPlugins()
       
   190 {
       
   191     if (qdesigner_internal::QDesignerIntegration *integration = qobject_cast<qdesigner_internal::QDesignerIntegration *>(m_core->integration())) {
       
   192         const int before = m_core->widgetDataBase()->count();
       
   193         integration->updateCustomWidgetPlugins();
       
   194         const int after = m_core->widgetDataBase()->count();
       
   195         if (after >  before) {
       
   196             ui.message->setText(tr("New custom widget plugins have been found."));
       
   197             ui.message->show();
       
   198         } else {
       
   199             ui.message->setText(QString());
       
   200         }
       
   201         populateTreeWidget();
       
   202     }
       
   203 }
       
   204 
       
   205 }
       
   206 
       
   207 QT_END_NAMESPACE