Long live Qt 4.5!

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diff --git a/tools/designer/src/lib/shared/promotionmodel.cpp b/tools/designer/src/lib/shared/promotionmodel.cpp
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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 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 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+TRANSLATOR qdesigner_internal::PromotionModel
+*/
+
+#include "promotionmodel_p.h"
+#include "widgetdatabase_p.h"
+
+#include <QtDesigner/QDesignerWidgetDataBaseInterface>
+#include <QtDesigner/QDesignerPromotionInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+
+#include <QtGui/QStandardItem>
+#include <QtCore/QCoreApplication>
+
+QT_BEGIN_NAMESPACE
+
+namespace {
+    typedef QList<QStandardItem *> StandardItemList;
+
+    // Model columns.
+    enum { ClassNameColumn, IncludeFileColumn, IncludeTypeColumn, ReferencedColumn, NumColumns };
+
+    // Create a model row.
+    StandardItemList modelRow() {
+        StandardItemList rc;
+        for (int i = 0; i < NumColumns; i++) {
+            rc.push_back(new QStandardItem());
+        }
+        return rc;
+    }
+
+    // Create a model row for a base class (read-only, cannot be selected).
+    StandardItemList baseModelRow(const QDesignerWidgetDataBaseItemInterface *dbItem) {
+        StandardItemList rc =  modelRow();
+
+        rc[ClassNameColumn]->setText(dbItem->name());
+        for (int i = 0; i < NumColumns; i++) {
+            rc[i]->setFlags(Qt::ItemIsEnabled);
+        }
+        return rc;
+    }
+
+    // Create an editable model row for a promoted class.
+    StandardItemList promotedModelRow(const QDesignerWidgetDataBaseInterface *widgetDataBase,
+                                      QDesignerWidgetDataBaseItemInterface *dbItem,
+                                      bool referenced = false) {
+
+        const int index = widgetDataBase->indexOf(dbItem);
+
+        // Associate user data: database index and enabled flag
+        QVariantList userDataList;
+        userDataList.push_back(QVariant(index));
+        userDataList.push_back(QVariant(referenced));
+        const QVariant userData(userDataList);
+
+        StandardItemList rc =  modelRow();
+        // name
+        rc[ClassNameColumn]->setText(dbItem->name());
+        rc[ClassNameColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable);
+        rc[ClassNameColumn]->setData(userData);
+        // header
+        const qdesigner_internal::IncludeSpecification spec = qdesigner_internal::includeSpecification(dbItem->includeFile());
+        rc[IncludeFileColumn]->setText(spec.first);
+        rc[IncludeFileColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable);
+        rc[IncludeFileColumn]->setData(userData);
+        // global include
+        rc[IncludeTypeColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable|Qt::ItemIsUserCheckable);
+        rc[IncludeTypeColumn]->setData(userData);
+        rc[IncludeTypeColumn]->setCheckState(spec.second == qdesigner_internal::IncludeGlobal ? Qt::Checked : Qt::Unchecked);
+        // referenced
+        rc[ReferencedColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled);
+        rc[ClassNameColumn]->setData(userData);
+        if (!referenced) {
+            //: Usage of promoted widgets
+            static const QString notUsed = QCoreApplication::translate("PromotionModel", "Not used");
+            rc[ReferencedColumn]->setText(notUsed);
+        }
+        return rc;
+    }
+}
+
+namespace qdesigner_internal {
+
+    PromotionModel::PromotionModel(QDesignerFormEditorInterface *core) :
+        m_core(core)
+    {
+        connect(this, SIGNAL(itemChanged(QStandardItem *)), this, SLOT(slotItemChanged(QStandardItem *)));
+    }
+
+    void PromotionModel::initializeHeaders() {
+        setColumnCount(NumColumns);
+        QStringList horizontalLabels(tr("Name"));
+        horizontalLabels += tr("Header file");
+        horizontalLabels += tr("Global include");
+        horizontalLabels += tr("Usage");
+        setHorizontalHeaderLabels (horizontalLabels);
+    }
+
+    void PromotionModel::updateFromWidgetDatabase() {
+        typedef QDesignerPromotionInterface::PromotedClasses PromotedClasses;
+
+        clear();
+        initializeHeaders();
+
+        // retrieve list of pairs from DB and convert into a tree structure.
+        // Set the item index as user data on the item.
+        const PromotedClasses promotedClasses = m_core->promotion()->promotedClasses();
+
+        if (promotedClasses.empty())
+            return;
+
+        const QSet<QString> usedPromotedClasses = m_core->promotion()->referencedPromotedClassNames();
+
+        QDesignerWidgetDataBaseInterface *widgetDataBase = m_core->widgetDataBase();
+        QDesignerWidgetDataBaseItemInterface *baseClass = 0;
+        QStandardItem *baseItem = 0;
+
+        const PromotedClasses::const_iterator bcend = promotedClasses.constEnd();
+        for (PromotedClasses::const_iterator it = promotedClasses.constBegin(); it !=  bcend; ++it) {
+            // Start a new base class?
+            if (baseClass !=  it->baseItem) {
+                baseClass =  it->baseItem;
+                const StandardItemList baseRow = baseModelRow(it->baseItem);
+                baseItem = baseRow.front();
+                appendRow(baseRow);
+            }
+            Q_ASSERT(baseItem);
+            // Append derived
+            baseItem->appendRow(promotedModelRow(widgetDataBase, it->promotedItem, usedPromotedClasses.contains(it->promotedItem->name())));
+        }
+    }
+
+    void PromotionModel::slotItemChanged(QStandardItem * changedItem) {
+        // Retrieve DB item
+        bool referenced;
+        QDesignerWidgetDataBaseItemInterface *dbItem = databaseItem(changedItem, &referenced);
+        Q_ASSERT(dbItem);
+        // Change header or type
+        switch (changedItem->column()) {
+        case ClassNameColumn:
+            emit classNameChanged(dbItem,  changedItem->text());
+            break;
+        case IncludeTypeColumn:
+        case IncludeFileColumn: {
+            // Get both file and type items via parent.
+            const QStandardItem *baseClassItem = changedItem->parent();
+            const QStandardItem *fileItem = baseClassItem->child(changedItem->row(), IncludeFileColumn);
+            const QStandardItem *typeItem =  baseClassItem->child(changedItem->row(), IncludeTypeColumn);
+            emit includeFileChanged(dbItem, buildIncludeFile(fileItem->text(), typeItem->checkState() == Qt::Checked ? IncludeGlobal : IncludeLocal));
+        }
+            break;
+        }
+    }
+
+    QDesignerWidgetDataBaseItemInterface *PromotionModel::databaseItemAt(const QModelIndex &index, bool *referenced) const {
+        if (const QStandardItem *item = itemFromIndex (index))
+            return databaseItem(item, referenced);
+
+        *referenced = false;
+        return 0;
+    }
+
+    QDesignerWidgetDataBaseItemInterface *PromotionModel::databaseItem(const QStandardItem * item, bool *referenced) const {
+        // Decode user data associated with item.
+        const QVariant data =  item->data();
+        if (data.type() != QVariant::List) {
+            *referenced = false;
+            return 0;
+        }
+
+        const QVariantList dataList = data.toList();
+        const int index = dataList[0].toInt();
+        *referenced     = dataList[1].toBool();
+        return  m_core->widgetDataBase()->item(index);
+    }
+
+    QModelIndex PromotionModel::indexOfClass(const QString &className) const {
+        const StandardItemList matches = findItems (className, Qt::MatchFixedString|Qt::MatchCaseSensitive|Qt::MatchRecursive);
+        return matches.empty() ? QModelIndex() : indexFromItem (matches.front());
+    }
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE