221 lines
9.0 KiB
C++
221 lines
9.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "promotionmodel_p.h"
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#include "widgetdatabase_p.h"
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#include <QtDesigner/QDesignerWidgetDataBaseInterface>
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#include <QtDesigner/QDesignerPromotionInterface>
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#include <QtDesigner/QDesignerFormEditorInterface>
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#include <QtGui/QStandardItem>
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#include <QtCore/QCoreApplication>
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QT_BEGIN_NAMESPACE
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namespace {
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typedef QList<QStandardItem *> StandardItemList;
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// Model columns.
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enum { ClassNameColumn, IncludeFileColumn, IncludeTypeColumn, ReferencedColumn, NumColumns };
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// Create a model row.
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StandardItemList modelRow() {
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StandardItemList rc;
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for (int i = 0; i < NumColumns; i++) {
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rc.push_back(new QStandardItem());
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}
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return rc;
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}
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// Create a model row for a base class (read-only, cannot be selected).
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StandardItemList baseModelRow(const QDesignerWidgetDataBaseItemInterface *dbItem) {
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StandardItemList rc = modelRow();
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rc[ClassNameColumn]->setText(dbItem->name());
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for (int i = 0; i < NumColumns; i++) {
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rc[i]->setFlags(Qt::ItemIsEnabled);
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}
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return rc;
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}
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// Create an editable model row for a promoted class.
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StandardItemList promotedModelRow(const QDesignerWidgetDataBaseInterface *widgetDataBase,
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QDesignerWidgetDataBaseItemInterface *dbItem,
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bool referenced = false) {
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const int index = widgetDataBase->indexOf(dbItem);
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// Associate user data: database index and enabled flag
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QVariantList userDataList;
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userDataList.push_back(QVariant(index));
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userDataList.push_back(QVariant(referenced));
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const QVariant userData(userDataList);
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StandardItemList rc = modelRow();
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// name
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rc[ClassNameColumn]->setText(dbItem->name());
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rc[ClassNameColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable);
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rc[ClassNameColumn]->setData(userData);
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// header
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const qdesigner_internal::IncludeSpecification spec = qdesigner_internal::includeSpecification(dbItem->includeFile());
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rc[IncludeFileColumn]->setText(spec.first);
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rc[IncludeFileColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable);
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rc[IncludeFileColumn]->setData(userData);
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// global include
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rc[IncludeTypeColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable|Qt::ItemIsUserCheckable);
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rc[IncludeTypeColumn]->setData(userData);
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rc[IncludeTypeColumn]->setCheckState(spec.second == qdesigner_internal::IncludeGlobal ? Qt::Checked : Qt::Unchecked);
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// referenced
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rc[ReferencedColumn]->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled);
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rc[ClassNameColumn]->setData(userData);
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if (!referenced) {
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//: Usage of promoted widgets
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static const QString notUsed = QCoreApplication::translate("PromotionModel", "Not used");
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rc[ReferencedColumn]->setText(notUsed);
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}
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return rc;
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}
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}
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namespace qdesigner_internal {
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PromotionModel::PromotionModel(QDesignerFormEditorInterface *core) :
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m_core(core)
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{
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connect(this, SIGNAL(itemChanged(QStandardItem*)), this, SLOT(slotItemChanged(QStandardItem*)));
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}
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void PromotionModel::initializeHeaders() {
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setColumnCount(NumColumns);
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QStringList horizontalLabels(tr("Name"));
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horizontalLabels += tr("Header file");
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horizontalLabels += tr("Global include");
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horizontalLabels += tr("Usage");
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setHorizontalHeaderLabels (horizontalLabels);
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}
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void PromotionModel::updateFromWidgetDatabase() {
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typedef QDesignerPromotionInterface::PromotedClasses PromotedClasses;
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clear();
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initializeHeaders();
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// retrieve list of pairs from DB and convert into a tree structure.
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// Set the item index as user data on the item.
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const PromotedClasses promotedClasses = m_core->promotion()->promotedClasses();
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if (promotedClasses.empty())
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return;
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const QSet<QString> usedPromotedClasses = m_core->promotion()->referencedPromotedClassNames();
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QDesignerWidgetDataBaseInterface *widgetDataBase = m_core->widgetDataBase();
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QDesignerWidgetDataBaseItemInterface *baseClass = 0;
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QStandardItem *baseItem = 0;
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const PromotedClasses::const_iterator bcend = promotedClasses.constEnd();
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for (PromotedClasses::const_iterator it = promotedClasses.constBegin(); it != bcend; ++it) {
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// Start a new base class?
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if (baseClass != it->baseItem) {
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baseClass = it->baseItem;
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const StandardItemList baseRow = baseModelRow(it->baseItem);
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baseItem = baseRow.front();
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appendRow(baseRow);
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}
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Q_ASSERT(baseItem);
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// Append derived
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baseItem->appendRow(promotedModelRow(widgetDataBase, it->promotedItem, usedPromotedClasses.contains(it->promotedItem->name())));
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}
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}
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void PromotionModel::slotItemChanged(QStandardItem * changedItem) {
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// Retrieve DB item
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bool referenced;
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QDesignerWidgetDataBaseItemInterface *dbItem = databaseItem(changedItem, &referenced);
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Q_ASSERT(dbItem);
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// Change header or type
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switch (changedItem->column()) {
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case ClassNameColumn:
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emit classNameChanged(dbItem, changedItem->text());
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break;
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case IncludeTypeColumn:
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case IncludeFileColumn: {
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// Get both file and type items via parent.
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const QStandardItem *baseClassItem = changedItem->parent();
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const QStandardItem *fileItem = baseClassItem->child(changedItem->row(), IncludeFileColumn);
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const QStandardItem *typeItem = baseClassItem->child(changedItem->row(), IncludeTypeColumn);
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emit includeFileChanged(dbItem, buildIncludeFile(fileItem->text(), typeItem->checkState() == Qt::Checked ? IncludeGlobal : IncludeLocal));
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}
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break;
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}
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}
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QDesignerWidgetDataBaseItemInterface *PromotionModel::databaseItemAt(const QModelIndex &index, bool *referenced) const {
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if (const QStandardItem *item = itemFromIndex (index))
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return databaseItem(item, referenced);
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*referenced = false;
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return 0;
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}
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QDesignerWidgetDataBaseItemInterface *PromotionModel::databaseItem(const QStandardItem * item, bool *referenced) const {
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// Decode user data associated with item.
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const QVariant data = item->data();
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if (data.type() != QVariant::List) {
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*referenced = false;
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return 0;
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}
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const QVariantList dataList = data.toList();
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const int index = dataList[0].toInt();
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*referenced = dataList[1].toBool();
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return m_core->widgetDataBase()->item(index);
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}
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QModelIndex PromotionModel::indexOfClass(const QString &className) const {
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const StandardItemList matches = findItems (className, Qt::MatchFixedString|Qt::MatchCaseSensitive|Qt::MatchRecursive);
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return matches.empty() ? QModelIndex() : indexFromItem (matches.front());
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}
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} // namespace qdesigner_internal
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QT_END_NAMESPACE
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