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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ROWTREE_H
#define ROWTREE_H
#include "InteractiveTimelineItem.h"
#include "TimelineGraphicsScene.h"
#include "TimelineConstants.h"
#include "RowTypes.h"
#include "StudioObjectTypes.h"
#include "RowTreeLabelItem.h"
#include <QtCore/qpropertyanimation.h>
#include <QtCore/qparallelanimationgroup.h>
class RowTimeline;
class Ruler;
class ITimelineItemBinding;
enum class ExpandState {
Hidden,
Collapsed,
Expanded
};
class RowTree : public InteractiveTimelineItem
{
Q_OBJECT
public:
explicit RowTree(TimelineGraphicsScene *timelineScene,
EStudioObjectType rowType = OBJTYPE_UNKNOWN, const QString &label = {});
// property row constructor
explicit RowTree(TimelineGraphicsScene *timelineScene, const QString &propType);
~RowTree();
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = nullptr) override;
void setState(State state) override;
void setTimelineRow(RowTimeline *rowTimeline);
void setParent(RowTree *parent);
void addChild(RowTree *child);
void addChildAt(RowTree *child, int index);
void moveChild(int from, int to); // NOT USED
void removeChild(RowTree *child);
void setMoveSourceRecursive(bool value);
void setMoveTarget(bool value);
void setTreeWidth(double w);
void setBinding(ITimelineItemBinding *binding);
void setPropBinding(ITimelineItemProperty *binding); // for property rows
void selectLabel();
void togglePropertyExpanded();
void setPropertyExpanded(bool expand);
ITimelineItemProperty *propBinding();
TreeControlType getClickedControl(const QPointF &scenePos);
bool shy() const;
bool visible() const;
bool locked() const;
bool expanded() const;
bool isDecendentOf(RowTree *row) const;
bool isContainer() const;
bool isProperty() const;
bool isPropertyOrMaterial() const;
bool hasPropertyChildren() const;
bool empty() const; // has zero child rows (and zero properties)
bool selected() const;
bool draggable() const;
bool hasDurationBar() const;
bool propertyExpanded() const;
int depth() const;
int type() const;
int index() const;
int indexInLayout() const;
int treeWidth() const;
EStudioObjectType rowType() const;
QString propertyType() const;
RowTree *parentRow() const;
RowTree *getPropertyRow(const QString &type) const;
QList<RowTree *> childRows() const;
QList<RowTree *> childProps() const;
RowTimeline *rowTimeline() const;
QString label() const;
void toggleShy();
void toggleVisible();
void toggleLocked();
void updateFromBinding();
ITimelineItemBinding *getBinding() const;
protected:
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
private:
void initialize();
void initializeAnimations();
void animateExpand(ExpandState state);
void updateExpandStatus(bool expand, bool childrenOnly = false);
void updateDepthRecursive();
void updateLockRecursive(bool state);
void updateLabelPosition();
void updateIndices(bool isInsertion, int startIndex, int startIndexInLayout, bool isProperty);
bool hasActionButtons() const;
bool hasComponentAncestor();
int removeChildFromLayout(RowTree *child) const;
int getCountDecendentsRecursive() const;
int addChildToLayout(RowTree *child, int indexInLayout);
RowTree *m_parentRow = nullptr;
RowTimeline *m_rowTimeline = nullptr;
int m_depth = 1;
int m_index = 0;
int m_indexInLayout = 1;
bool m_shy = false;
bool m_visible = true;
bool m_locked = false;
bool m_expanded = true;
bool m_moveSource = false;
bool m_moveTarget = false;
bool m_isProperty = false;
bool m_isPropertyExpanded = false;
TimelineGraphicsScene *m_scene;
RowTreeLabelItem m_labelItem;
EStudioObjectType m_rowType = OBJTYPE_UNKNOWN;
QString m_propertyType; // for property rows
QString m_label;
QList<RowTree *> m_childRows;
QList<RowTree *> m_childProps;
ITimelineItemBinding *m_binding = nullptr;
ITimelineItemProperty *m_PropBinding; // for property rows
QRect m_rectArrow;
QRect m_rectShy;
QRect m_rectVisible;
QRect m_rectLocked;
QRect m_rectType;
QParallelAnimationGroup m_expandAnimation;
QPropertyAnimation *m_expandHeightAnimation;
QPropertyAnimation *m_expandTimelineHeightAnimation;
QPropertyAnimation *m_expandOpacityAnimation;
QPropertyAnimation *m_expandTimelineOpacityAnimation;
friend class RowTimeline;
friend class RowTimelinePropertyGraph;
};
#endif // ROWTREE_H
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