umldragdata.h

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/*
    SPDX-License-Identifier: GPL-2.0-or-later
    SPDX-FileCopyrightText: 2002-2020 Umbrello UML Modeller Authors <umbrello-devel@kde.org>
*/
 
#ifndef UMLDRAGDATA_H
#define UMLDRAGDATA_H
 
#include "associationwidgetlist.h"
#include "basictypes.h"
#include "umllistviewitem.h"
#include "umllistviewitemlist.h"
#include "umlobjectlist.h"
#include "umlviewlist.h"
#include "umlwidgetlist.h"
 
#include <QList>
#include <QMimeData>
 
class UMLClassifier;
class UMLListView;
class UMLScene;
class QPixmap;
 
class UMLDragData : public QMimeData 
{
    Q_OBJECT
public:
 
    explicit UMLDragData(UMLObjectList& Objects, QWidget* dragSource = 0);
 
    UMLDragData(UMLObjectList &Objects, UMLViewList& Diagrams, QWidget * dragSource = 0);
 
    explicit UMLDragData(UMLListViewItemList& UMLListViewItems, QWidget* dragSource = 0);
 
    UMLDragData(UMLObjectList& Objects, UMLWidgetList& Widgets, AssociationWidgetList& Associations,
            QPixmap& PngImage, UMLScene *scene, QWidget* dragSource = 0);
 
    UMLDragData(UMLObjectList& Objects, int, QWidget* dragSource = 0);
 
    explicit UMLDragData(QWidget* dragSource = 0);
 
    ~UMLDragData();
 
    static bool decodeClip1(const QMimeData* mimeData, UMLObjectList& objects);
 
    static bool decodeClip2(const QMimeData* mimeData, UMLObjectList& objects, UMLViewList& diagrams);
 
    static bool decodeClip3(const QMimeData* mimeData,
                                  UMLListViewItemList& umlListViewItems,
                                  const UMLListView* parentListView=0);
 
    struct LvTypeAndID {
        UMLListViewItem::ListViewType type;
        Uml::ID::Type id;
    };
    typedef QList<LvTypeAndID*> LvTypeAndID_List;
    typedef QListIterator<LvTypeAndID*> LvTypeAndID_It;
 
    static bool getClip3TypeAndID(const QMimeData* mimeData,
                                  LvTypeAndID_List& typeAndIdList);
 
    static bool decodeClip4(const QMimeData* mimeData, UMLObjectList& objects,
                            UMLWidgetList& widgets,
                            AssociationWidgetList& associations,
                            Uml::DiagramType::Enum & dType);
 
    static bool decodeClip5(const QMimeData* mimeData, UMLObjectList& objects,
                            UMLClassifier *newParent);
 
    static int getCodingType(const QMimeData* mimeData);
 
 private:
 
    void setUMLDataClip1(UMLObjectList& Objects);
 
    void setUMLDataClip2(UMLObjectList& Objects, UMLViewList& Diagrams);
 
    void setUMLDataClip3(UMLListViewItemList& UMLListViewItems);
 
    void setUMLDataClip4(UMLObjectList& Objects,
                         UMLWidgetList& WidgetDatas,
                         AssociationWidgetList& Associations, QPixmap& PngImage,
                         UMLScene *scene);
 
    void setUMLDataClip5(UMLObjectList& Objects);
 
    static void executeCreateWidgetCommand(UMLWidget* widget);
 
    static bool decodeObjects(QDomNode& objectsNode, UMLObjectList& objects,
                              bool skipIfObjectExists = false);
 
    static bool decodeViews(QDomNode& umlviewsNode, UMLViewList& diagrams);
};
 
#endif