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#ifndef LINKABLEMAPOBJ_H
#define LINKABLEMAPOBJ_H
#include "animpoint.h"
#include "noteobj.h"
#include "headingobj.h"
#include "flagrowobj.h"
#define MAX_DEPTH 999
/*! \brief This class adds links to MapObj
The links are connecting the branches (BranchObj) and images (FloatImageObj) in the map.
*/
class LinkableMapObj:public QObject, public MapObj {
Q_OBJECT
public:
/*! Orientation of an object depends on the position relative to the parent */
enum Orientation {
UndefinedOrientation, //!< Undefined
LeftOfCenter, //!< Object is left of center
RightOfCenter //!< Object is right of center
};
/*! Various drawing styles for links */
enum Style {
UndefinedStyle, //!< Undefined
Line, //!< Straight line
Parabel, //!< Parabel
PolyLine, //!< Polygon (thick line)
PolyParabel //!< Thick parabel
};
/*! Vertical position of link in object */
enum Position {
Middle, //!< Link is drawn in the middle of object
Bottom //!< Link is drawn at bottom of object
};
/*! Hint if link should use the default link color or the color of heading */
enum ColorHint {
DefaultColor, //!< Link uses the default color
HeadingColor //!< Link uses the color of heading
};
LinkableMapObj ();
LinkableMapObj (QGraphicsScene*);
LinkableMapObj (LinkableMapObj*);
~LinkableMapObj ();
virtual void delLink();
virtual void init ();
virtual void copy (LinkableMapObj*);
void setChildObj (LinkableMapObj*);
virtual void setParObj (LinkableMapObj*);
virtual void setParObjTmp (LinkableMapObj*,QPointF,int); // Only for moving Obj around
virtual void unsetParObjTmp(); // reuse original ParObj
virtual bool hasParObjTmp();
virtual void setUseRelPos (const bool&);
virtual void setRelPos(); // set relPos to current parentPos
virtual void setRelPos(const QPointF&);
virtual QPointF getRelPos();
virtual void setUseOrientation (const bool &);
virtual qreal getTopPad();
virtual qreal getLeftPad();
virtual qreal getRightPad();
Style getDefLinkStyle();
void setLinkStyle(Style);
Style getLinkStyle();
void setHideLinkUnselected(bool);
bool getHideLinkUnselected();
void setLinkPos (Position);
Position getLinkPos ();
virtual void setID (const QString &s);
virtual QString getID ();
virtual void setLinkColor(); // sets color according to colorhint, overloaded
virtual void setLinkColor(QColor);
QColor getLinkColor();
virtual void setVisibility (bool);
virtual void setOrientation();
virtual void updateLink(); // update parPos and childPos
// depending on pos
// redraw link with given style
LinkableMapObj* getChildObj(); // returns pointer to fromObj
LinkableMapObj* getParObj(); // returns pointer to toObj
virtual LinkableMapObj* findObjBySelect(QString s); // find obj by selectstring
virtual void setDockPos()=0; // sets childPos and parPos
QPointF getChildPos(); // returns pos where childs dock
QPointF getParPos(); // returns pos where parents dock
Orientation getOrientation(); // get orientation
virtual int getDepth(); // return depth
virtual void setMapEditor(MapEditor*); // set MapEditor (needed in LMO::updateNoteFlag)
virtual MapEditor* getMapEditor(); // get MapEditor (usually from parent);
virtual QPointF getRandPos(); // make randomised position
//virtual void alignRelativeTo(const QPointF );
virtual void reposition();
virtual void requestReposition(); // do reposition after next user event
virtual void forceReposition(); // to force a reposition now (outside
// of mapeditor e.g. in noteeditor
virtual bool repositionRequested();
//virtual QRectF getTotalBBox(); // return BBox including childs
//virtual QRectF getBBoxSizeWithChilds();// return size of BBox including childs
virtual void calcBBoxSizeWithChilds()=0;// calc size of BBox including childs recursivly
virtual void select();
virtual void unselect();
virtual QString getSelectString()=0;
//virtual QString saveToDir (const QString&,const QString&, const QPointF&);// Save data to XML
protected:
void parabel(QPolygonF &,double,double,double,double); // Create Parabel connecting two points
QString getLinkAttr();
QPointF childPos;
QPointF parPos;
bool link2ParPos; // While moving around, sometimes link to parent
MapEditor* mapEditor; // for and toggleScroll(), get default styles
// and mapEditor->updateActions()
// and mapEditor->updateSelection()
Orientation orientation;
qreal linkwidth; // width of a link
int depth; // depth: undef=-1 mapCenter=0 branch=1..n
QRectF bboxTotal; // bounding box including childs
LinkableMapObj* childObj;
LinkableMapObj* parObj;
LinkableMapObj* parObjTmpBuf; // temporary buffer the original parent
qreal bottomlineY; // vertical offset of dockpos to pos
int thickness_start; // for StylePoly*
Style style; // Current style
Position linkpos; // Link at bottom of object or middle of height
QColor linkcolor; // Link color
QPen pen;
QGraphicsLineItem* l; // line style
QGraphicsPolygonItem* p; // poly styles
int arcsegs; // arc: number of segments
QList <QGraphicsLineItem*> segment; // a part of e.g. the parabel
QPolygonF pa0; // For drawing of PolyParabel and PolyLine
QPolygonF pa1; // For drawing of PolyParabel
QPolygonF pa2; // For drawing of PolyParabel
QGraphicsLineItem* bottomline; // on bottom of BBox
bool repositionRequest; //
bool selected; // Used for marking the selection
bool hideLinkUnselected; // to hide links if unselected
qreal topPad, botPad,
leftPad, rightPad; // padding within bbox
QPointF relPos; // position relative to childPos of parent
//AnimPoint relPos; // position relative to childPos of parent
bool useRelPos;
bool useOrientation;
QString objID; // id set during load/save currently used for xLinks
};
#endif
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