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/****************************************************************************
**
** Copyright (C) 2010 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 "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
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