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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#pragma once
#include "formeditoritem.h"
#include <qmldesignercorelib_global.h>
#include "snapper.h"
QT_BEGIN_NAMESPACE
class QGraphicsItem;
QT_END_NAMESPACE
namespace QmlDesigner {
class FormEditorView;
class QMLDESIGNERCORE_EXPORT AbstractFormEditorTool
{
friend class FormEditorView;
public:
AbstractFormEditorTool(FormEditorView* view);
virtual ~AbstractFormEditorTool();
virtual void mousePressEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event);
virtual void mouseMoveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event) = 0;
virtual void mouseReleaseEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event);
virtual void mouseDoubleClickEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event);
virtual void hoverMoveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event) = 0;
virtual void dropEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event);
virtual void dragEnterEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event);
virtual void dragLeaveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event) = 0;
virtual void dragMoveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event) = 0;
virtual void keyPressEvent(QKeyEvent *event) = 0;
virtual void keyReleaseEvent(QKeyEvent *keyEvent) = 0;
virtual void itemsAboutToRemoved(const QList<FormEditorItem*> &itemList) = 0;
// virtual QVariant itemChange(QList<QGraphicsItem*> itemList,
// QGraphicsItem::GraphicsItemChange change,
// const QVariant &value ) = 0;
// virtual void update() = 0;
virtual void clear();
virtual void start();
virtual void formEditorItemsChanged(const QList<FormEditorItem*> &itemList) = 0;
virtual void instancesCompleted(const QList<FormEditorItem*> &itemList) = 0;
virtual void instancesParentChanged(const QList<FormEditorItem*> &itemList) = 0;
virtual void instancePropertyChange(const QList<QPair<ModelNode, PropertyName> > &propertyList) = 0;
virtual void focusLost() = 0;
void setItems(const QList<FormEditorItem*> &itemList);
QList<FormEditorItem*> items() const;
static QList<FormEditorItem*> toFormEditorItemList(const QList<QGraphicsItem*> &itemList);
static QGraphicsItem* topMovableGraphicsItem(const QList<QGraphicsItem*> &itemList);
static FormEditorItem* topMovableFormEditorItem(const QList<QGraphicsItem*> &itemList, bool selectOnlyContentItems);
bool topItemIsMovable(const QList<QGraphicsItem*> &itemList);
bool topSelectedItemIsMovable(const QList<QGraphicsItem*> &itemList);
bool selectedItemCursorInMovableArea(const QPointF &pos);
bool topItemIsResizeHandle(const QList<QGraphicsItem*> &itemList);
QList<FormEditorItem*> filterSelectedModelNodes(const QList<FormEditorItem*> &itemList) const;
FormEditorItem *nearestFormEditorItem(const QPointF &point, const QList<QGraphicsItem *> &itemList);
protected:
virtual void selectedItemsChanged(const QList<FormEditorItem*> &itemList) = 0;
virtual void showContextMenu(QGraphicsSceneMouseEvent *event);
Snapper::Snapping generateUseSnapping(Qt::KeyboardModifiers keyboardModifier) const;
FormEditorItem *containerFormEditorItem(const QList<QGraphicsItem*> &itemUnderMouseList, const QList<FormEditorItem*> &selectedItemList) const;
FormEditorView *view() const;
void setView(FormEditorView *view);
FormEditorScene* scene() const;
private:
FormEditorView *m_view;
QList<FormEditorItem*> m_itemList;
};
} // namespace QmlDesigner
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