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/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** 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 <QGraphicsItem>
#include "qmt/diagram_scene/capabilities/intersectionable.h"
#include "qmt/diagram_scene/capabilities/resizable.h"
#include "qmt/diagram_scene/capabilities/moveable.h"
#include "qmt/diagram_scene/capabilities/selectable.h"
#include "qmt/diagram_scene/capabilities/latchable.h"
#include "qmt/diagram_scene/capabilities/relationable.h"
#include "qmt/diagram_scene/capabilities/alignable.h"
#include "qmt/diagram_scene/capabilities/editable.h"
#include "qmt/stereotype/stereotypeicon.h"
#include <QCoreApplication>
QT_BEGIN_NAMESPACE
class QAction;
QT_END_NAMESPACE
namespace qmt {
class DElement;
class DObject;
class DiagramSceneModel;
class StereotypesItem;
class CustomIconItem;
class CustomRelation;
class EditableTextItem;
class RectangularSelectionItem;
class RelationStarter;
class AlignButtonsItem;
class Style;
// typical z-values for graphic items
static const int SHAPE_ZVALUE = -100; // the filled background of the shape
static const int SHAPE_DETAILS_ZVALUE = -90; // any details to the shape (e.g. extra lines in shape)
static const int SELECTION_MARKER_ZVALUE = 100;
class ObjectItem :
public QGraphicsItem,
public IIntersectionable,
public IResizable,
public IMoveable,
public ISelectable,
public ILatchable,
public IRelationable,
public IAlignable,
public IEditable
{
Q_DECLARE_TR_FUNCTIONS(qmt::ObjectItem)
protected:
enum ResizeFlags {
ResizeUnlocked,
ResizeLockedSize,
ResizeLockedWidth,
ResizeLockedHeight,
ResizeLockedRatio
};
public:
ObjectItem(const QString &elementType, DObject *object, DiagramSceneModel *diagramSceneModel, QGraphicsItem *parent = nullptr);
~ObjectItem() override;
QString elementType() const { return m_elementType; }
DObject *object() const { return m_object; }
DiagramSceneModel *diagramSceneModel() const { return m_diagramSceneModel; }
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
virtual void update() = 0;
QPointF pos() const override;
QRectF rect() const override;
QSizeF minimumSize() const override = 0;
void setPosAndRect(const QPointF &originalPos, const QRectF &originalRect,
const QPointF &topLeftDelta, const QPointF &bottomRightDelta) override;
void alignItemSizeToRaster(Side adjustHorizontalSide, Side adjustVerticalSide,
double rasterWidth, double rasterHeight) override;
void moveDelta(const QPointF &delta) override;
void alignItemPositionToRaster(double rasterWidth, double rasterHeight) override;
bool isSecondarySelected() const override;
void setSecondarySelected(bool secondarySelected) override;
bool isFocusSelected() const override;
void setFocusSelected(bool focusSelected) override;
QRectF getSecondarySelectionBoundary() override;
void setBoundarySelected(const QRectF &boundary, bool secondary) override;
Action horizontalLatchAction() const override;
Action verticalLatchAction() const override;
QList<Latch> horizontalLatches(Action action, bool grabbedItem) const override;
QList<Latch> verticalLatches(Action action, bool grabbedItem) const override;
QPointF relationStartPos() const override;
void relationDrawn(const QString &id, const QPointF &toScenePos,
const QList<QPointF> &intermediatePoints) override;
virtual void relationDrawn(const QString &id, ObjectItem *targetElement,
const QList<QPointF> &intermediatePoints);
void align(AlignType alignType, const QString &identifier) override;
bool isEditable() const override;
bool isEditing() const override;
void edit() override;
void finishEdit() override;
protected:
void updateStereotypeIconDisplay();
QString stereotypeIconId() const { return m_stereotypeIconId; }
QString shapeIconId() const { return m_shapeIconId; }
StereotypeIcon shapeIcon() const { return m_shapeIcon; }
StereotypeIcon::Display stereotypeIconDisplay() const { return m_stereotypeIconDisplay; }
void updateStereotypes(const QString &stereotypeIconId,
StereotypeIcon::Display stereotypeDisplay, const Style *style);
StereotypesItem *stereotypesItem() const { return m_stereotypesItem; }
CustomIconItem *stereotypeIconItem() const { return m_stereotypeIcon; }
QSizeF stereotypeIconMinimumSize(const StereotypeIcon &stereotypeIcon, qreal minimumWidth,
qreal minimumHeight) const;
bool suppressTextDisplay() const;
void updateNameItem(const Style *style);
EditableTextItem *nameItem() const { return m_nameItem; }
virtual QString buildDisplayName() const;
virtual void setFromDisplayName(const QString &displayName);
void setObjectName(const QString &objectName);
void updateDepth();
void updateSelectionMarker(CustomIconItem *customIconItem);
void updateSelectionMarker(ResizeFlags resizeFlags);
void updateSelectionMarkerGeometry(const QRectF &objectRect);
void updateRelationStarter();
RelationStarter *relationStarter() const { return m_relationStarter; }
virtual void addRelationStarterTool(const QString &id);
virtual void addRelationStarterTool(const CustomRelation &customRelation);
virtual void addStandardRelationStarterTools();
void updateRelationStarterGeometry(const QRectF &objectRect);
void updateAlignmentButtons();
void updateAlignmentButtonsGeometry(const QRectF &objectRect);
IAlignable::AlignType translateLatchTypeToAlignType(ILatchable::LatchType latchType);
const Style *adaptedStyle(const QString &stereotypeIconId);
bool showContext() const;
virtual bool extendContextMenu(QMenu *menu);
virtual bool handleSelectedContextMenuAction(const QString &id);
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
private:
QSizeF minimumSize(const QSet<QGraphicsItem *> &items) const;
QString m_elementType;
DObject *m_object = nullptr;
DiagramSceneModel *m_diagramSceneModel = nullptr;
bool m_isSecondarySelected = false;
bool m_isFocusSelected = false;
QString m_stereotypeIconId;
QString m_shapeIconId;
StereotypeIcon m_shapeIcon;
StereotypeIcon::Display m_stereotypeIconDisplay = StereotypeIcon::DisplayLabel;
StereotypesItem *m_stereotypesItem = nullptr;
CustomIconItem *m_stereotypeIcon = nullptr;
EditableTextItem *m_nameItem = nullptr;
RectangularSelectionItem *m_selectionMarker = nullptr;
RelationStarter *m_relationStarter = nullptr;
AlignButtonsItem *m_horizontalAlignButtons = nullptr;
AlignButtonsItem *m_verticalAlignButtons = nullptr;
};
} // namespace qmt
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