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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "promotionmodel_p.h"
#include "widgetdatabase_p.h"
#include <QtDesigner/abstractwidgetdatabase.h>
#include <QtDesigner/abstractpromotioninterface.h>
#include <QtDesigner/abstractformeditor.h>
#include <QtGui/qstandarditemmodel.h>
#include <QtCore/qcoreapplication.h>
QT_BEGIN_NAMESPACE
namespace {
using StandardItemList = QList<QStandardItem *>;
// 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(QDesignerWidgetDataBaseItemInterface *baseItem,
QDesignerWidgetDataBaseItemInterface *dbItem,
bool referenced)
{
qdesigner_internal::PromotionModel::ModelData data;
data.baseItem = baseItem;
data.promotedItem = dbItem;
data.referenced = referenced;
const QVariant userData = QVariant::fromValue(data);
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, &QStandardItemModel::itemChanged, this, &PromotionModel::slotItemChanged);
}
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() {
using PromotedClasses = QDesignerPromotionInterface::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.isEmpty())
return;
const QSet<QString> usedPromotedClasses = m_core->promotion()->referencedPromotedClassNames();
QDesignerWidgetDataBaseItemInterface *baseClass = nullptr;
QStandardItem *baseItem = nullptr;
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.constFirst();
appendRow(baseRow);
}
Q_ASSERT(baseItem);
// Append derived
baseItem->appendRow(promotedModelRow(it->baseItem, it->promotedItem, usedPromotedClasses.contains(it->promotedItem->name())));
}
}
void PromotionModel::slotItemChanged(QStandardItem * changedItem) {
// Retrieve DB item
const ModelData data = modelData(changedItem);
Q_ASSERT(data.isValid());
QDesignerWidgetDataBaseItemInterface *dbItem = data.promotedItem;
// 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;
}
}
PromotionModel::ModelData PromotionModel::modelData(const QStandardItem *item) const
{
const QVariant userData = item->data();
return userData.canConvert<ModelData>() ? userData.value<ModelData>() : ModelData();
}
PromotionModel::ModelData PromotionModel::modelData(const QModelIndex &index) const
{
return index.isValid() ? modelData(itemFromIndex(index)) : ModelData();
}
QModelIndex PromotionModel::indexOfClass(const QString &className) const {
const StandardItemList matches = findItems (className, Qt::MatchFixedString|Qt::MatchCaseSensitive|Qt::MatchRecursive);
return matches.isEmpty() ? QModelIndex() : indexFromItem (matches.constFirst());
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
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