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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
#pragma once
#include "formeditoritem.h"
#include "rewritertransaction.h"
#include "snapper.h"
#include "formeditorview.h"
#include <QPointer>
#include <QGraphicsItem>
#include <QHash>
#include <QPointF>
#include <QRectF>
namespace QmlDesigner {
class ModelNodeChangeSet;
class Model;
class MoveManipulator
{
public:
enum State {
UseCurrentState,
UseBaseState
};
enum ReparentFlag {
DoNotEnforceReparent,
EnforceReparent
};
MoveManipulator(LayerItem *layerItem, FormEditorView *view);
~MoveManipulator();
void setItems(const QList<FormEditorItem*> &itemList);
void setItem(FormEditorItem* item);
void synchronizeInstanceParent(const QList<FormEditorItem*> &itemList);
void synchronizeParent(const QList<FormEditorItem*> &itemList, const ModelNode &parentNode);
void begin(const QPointF& beginPoint);
void update(const QPointF& updatePoint, Snapper::Snapping useSnapping, State stateToBeManipulated = UseCurrentState);
void reparentTo(FormEditorItem *newParent, ReparentFlag flag = DoNotEnforceReparent);
void end();
void end(Snapper::Snapping useSnapping);
void moveBy(double deltaX, double deltaY);
void beginRewriterTransaction();
void endRewriterTransaction();
QPointF beginPoint() const;
void clear();
bool isActive() const;
protected:
void setOpacityForAllElements(qreal opacity);
QPointF findSnappingOffset(const QHash<FormEditorItem*, QRectF> &boundingRectHash);
void deleteSnapLines();
QHash<FormEditorItem*, QRectF> tanslatedBoundingRects(const QHash<FormEditorItem*, QRectF> &boundingRectHash,
const QPointF& offset,
const QTransform &transform);
QPointF calculateBoundingRectMovementOffset(const QPointF& updatePoint);
QRectF boundingRect(FormEditorItem* item, const QPointF& updatePoint);
void generateSnappingLines(const QHash<FormEditorItem*, QRectF> &boundingRectHash);
bool itemsCanReparented() const;
void adjustAnchoringOfItem(FormEditorItem *item);
void setDirectUpdateInNodeInstances(bool directUpdate);
private:
Snapper m_snapper;
QPointer<LayerItem> m_layerItem;
QPointer<FormEditorView> m_view;
QList<FormEditorItem*> m_itemList;
QHash<FormEditorItem*, QRectF> m_beginItemRectInSceneSpaceHash;
QHash<FormEditorItem*, QPointF> m_beginPositionInSceneSpaceHash;
QPointF m_beginPoint;
QHash<FormEditorItem*, double> m_beginTopMarginHash;
QHash<FormEditorItem*, double> m_beginLeftMarginHash;
QHash<FormEditorItem*, double> m_beginRightMarginHash;
QHash<FormEditorItem*, double> m_beginBottomMarginHash;
QHash<FormEditorItem*, double> m_beginHorizontalCenterHash;
QHash<FormEditorItem*, double> m_beginVerticalCenterHash;
QList<QGraphicsItem*> m_graphicsLineList;
bool m_isActive;
RewriterTransaction m_rewriterTransaction;
QPointF m_lastPosition;
};
} // namespace QmlDesigner
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