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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "metadatabase_p.h"
#include "widgetdatabase_p.h"
// sdk
#include <QtDesigner/abstractformeditor.h>
// Qt
#include <QtWidgets/qwidget.h>
#include <QtCore/qalgorithms.h>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
namespace {
const bool debugMetaDatabase = false;
}
namespace qdesigner_internal {
MetaDataBaseItem::MetaDataBaseItem(QObject *object)
: m_object(object),
m_enabled(true)
{
}
MetaDataBaseItem::~MetaDataBaseItem() = default;
QString MetaDataBaseItem::name() const
{
Q_ASSERT(m_object);
return m_object->objectName();
}
void MetaDataBaseItem::setName(const QString &name)
{
Q_ASSERT(m_object);
m_object->setObjectName(name);
}
QString MetaDataBaseItem::customClassName() const
{
return m_customClassName;
}
void MetaDataBaseItem::setCustomClassName(const QString &customClassName)
{
m_customClassName = customClassName;
}
QWidgetList MetaDataBaseItem::tabOrder() const
{
return m_tabOrder;
}
void MetaDataBaseItem::setTabOrder(const QWidgetList &tabOrder)
{
m_tabOrder = tabOrder;
}
bool MetaDataBaseItem::enabled() const
{
return m_enabled;
}
void MetaDataBaseItem::setEnabled(bool b)
{
m_enabled = b;
}
QStringList MetaDataBaseItem::fakeSlots() const
{
return m_fakeSlots;
}
void MetaDataBaseItem::setFakeSlots(const QStringList &fs)
{
m_fakeSlots = fs;
}
QStringList MetaDataBaseItem::fakeSignals() const
{
return m_fakeSignals;
}
void MetaDataBaseItem::setFakeSignals(const QStringList &fs)
{
m_fakeSignals = fs;
}
// -----------------------------------------------------
MetaDataBase::MetaDataBase(QDesignerFormEditorInterface *core, QObject *parent)
: QDesignerMetaDataBaseInterface(parent),
m_core(core)
{
}
MetaDataBase::~MetaDataBase()
{
qDeleteAll(m_items);
}
MetaDataBaseItem *MetaDataBase::metaDataBaseItem(QObject *object) const
{
MetaDataBaseItem *i = m_items.value(object);
if (i == nullptr || !i->enabled())
return nullptr;
return i;
}
void MetaDataBase::add(QObject *object)
{
MetaDataBaseItem *item = m_items.value(object);
if (item != nullptr) {
item->setEnabled(true);
if (debugMetaDatabase) {
qDebug() << "MetaDataBase::add: Existing item for " << object->metaObject()->className() << item->name();
}
return;
}
item = new MetaDataBaseItem(object);
m_items.insert(object, item);
if (debugMetaDatabase) {
qDebug() << "MetaDataBase::add: New item " << object->metaObject()->className() << item->name();
}
connect(object, &QObject::destroyed, this, &MetaDataBase::slotDestroyed);
emit changed();
}
void MetaDataBase::remove(QObject *object)
{
Q_ASSERT(object);
if (MetaDataBaseItem *item = m_items.value(object)) {
item->setEnabled(false);
emit changed();
}
}
QObjectList MetaDataBase::objects() const
{
QObjectList result;
for (auto it = m_items.cbegin(), cend = m_items.cend(); it != cend; ++it) {
if (it.value()->enabled())
result.append(it.key());
}
return result;
}
QDesignerFormEditorInterface *MetaDataBase::core() const
{
return m_core;
}
void MetaDataBase::slotDestroyed(QObject *object)
{
if (m_items.contains(object)) {
MetaDataBaseItem *item = m_items.value(object);
delete item;
m_items.remove(object);
}
}
// promotion convenience
QDESIGNER_SHARED_EXPORT bool promoteWidget(QDesignerFormEditorInterface *core,QWidget *widget,const QString &customClassName)
{
MetaDataBase *db = qobject_cast<MetaDataBase *>(core->metaDataBase());
if (!db)
return false;
MetaDataBaseItem *item = db->metaDataBaseItem(widget);
if (!item) {
db ->add(widget);
item = db->metaDataBaseItem(widget);
}
// Recursive promotion occurs if there is a plugin missing.
const QString oldCustomClassName = item->customClassName();
if (!oldCustomClassName.isEmpty()) {
qDebug() << "WARNING: Recursive promotion of " << oldCustomClassName << " to " << customClassName
<< ". A plugin is missing.";
}
item->setCustomClassName(customClassName);
if (debugMetaDatabase) {
qDebug() << "Promoting " << widget->metaObject()->className() << " to " << customClassName;
}
return true;
}
QDESIGNER_SHARED_EXPORT void demoteWidget(QDesignerFormEditorInterface *core,QWidget *widget)
{
MetaDataBase *db = qobject_cast<MetaDataBase *>(core->metaDataBase());
if (!db)
return;
MetaDataBaseItem *item = db->metaDataBaseItem(widget);
item->setCustomClassName(QString());
if (debugMetaDatabase) {
qDebug() << "Demoting " << widget;
}
}
QDESIGNER_SHARED_EXPORT bool isPromoted(QDesignerFormEditorInterface *core, QWidget* widget)
{
const MetaDataBase *db = qobject_cast<const MetaDataBase *>(core->metaDataBase());
if (!db)
return false;
const MetaDataBaseItem *item = db->metaDataBaseItem(widget);
if (!item)
return false;
return !item->customClassName().isEmpty();
}
QDESIGNER_SHARED_EXPORT QString promotedCustomClassName(QDesignerFormEditorInterface *core, QWidget* widget)
{
const MetaDataBase *db = qobject_cast<const MetaDataBase *>(core->metaDataBase());
if (!db)
return QString();
const MetaDataBaseItem *item = db->metaDataBaseItem(widget);
if (!item)
return QString();
return item->customClassName();
}
QDESIGNER_SHARED_EXPORT QString promotedExtends(QDesignerFormEditorInterface *core, QWidget* widget)
{
const QString customClassName = promotedCustomClassName(core,widget);
if (customClassName.isEmpty())
return QString();
const int i = core->widgetDataBase()->indexOfClassName(customClassName);
if (i == -1)
return QString();
return core->widgetDataBase()->item(i)->extends();
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
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