linkablemapobj.h
author insilmaril
Sat, 23 Jul 2005 10:26:29 +0000
changeset 133 c7393c51640a
parent 106 4083860dd82e
child 160 72cc3873306a
permissions -rw-r--r--
updated api.*
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#ifndef LINKABLEMAPOBJ_H
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#define LINKABLEMAPOBJ_H
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#include "frameobj.h"
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#include "noteobj.h"
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#include "headingobj.h"
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#include "flagrowobj.h"
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#define MAX_DEPTH 999
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enum LinkOrient {OrientUndef,OrientLeftOfCenter, OrientRightOfCenter};
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enum LinkStyle {
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	StyleUndef,
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	StyleLine, 
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	StyleParabel, 
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	StylePolyLine,
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	StylePolyParabel
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};
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enum LinkPos {LinkMiddle,LinkBottom};
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enum LinkColorHint {DefaultColor,HeadingColor};
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class LinkableMapObj:public QObject, public MapObj {
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	Q_OBJECT
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public:
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    LinkableMapObj ();
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    LinkableMapObj (QCanvas*);
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    LinkableMapObj (LinkableMapObj*);
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    ~LinkableMapObj ();
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	virtual void delLink();
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    virtual void init ();
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    virtual void copy (LinkableMapObj*);
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    void setChildObj (LinkableMapObj*);
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    virtual void setParObj (LinkableMapObj*);
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    virtual void setParObjTmp (LinkableMapObj*,QPoint,int);	// Only for moving Obj around
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	virtual void unsetParObjTmp();						// reuse original ParObj
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	LinkStyle getDefLinkStyle();
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    void setLinkStyle(LinkStyle);            
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	LinkStyle getLinkStyle();
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	void setLinkPos (LinkPos);
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	LinkPos getLinkPos ();
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	virtual void setLinkColor();					// sets color according to colorhint, overloaded
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	virtual void setLinkColor(QColor);
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	QColor getLinkColor();
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	virtual FrameType getFrameType ();
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	virtual void setFrameType (const FrameType &);
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	virtual void setFrameType (const QString &);
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	virtual void setVisibility (bool);
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    virtual void updateLink();				// update parPos and childPos
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											// depending on pos
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											// redraw link with given style
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    LinkableMapObj* getChildObj();			// returns pointer to fromObj
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    LinkableMapObj* getParObj();			// returns pointer to toObj
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    virtual LinkableMapObj* findObjBySelect(QString s);	// find obj by selectstring
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    QPoint getChildPos();					// returns pos where childs dock
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    QPoint getParPos();						// returns pos where parents dock
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    QPoint getRelPos();						// get position relative to parent (or (0,0))
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    LinkOrient getOrientation();			// get orientation
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    virtual int getDepth();					// return depth
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	virtual void setMapEditor(MapEditor*);	// set MapEditor (needed in LMO::updateNoteFlag)
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	virtual MapEditor* getMapEditor();		// get MapEditor (usually from parent);
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	virtual QPoint getRandPos();			// make randomised position
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    virtual void alignRelativeTo(const QPoint );
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	virtual void reposition();
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	virtual void requestReposition();		// do reposition after next user event
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	virtual void forceReposition();			// to force a reposition now (outside
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											// of mapeditor e.g. in noteeditor
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	virtual bool repositionRequested();
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	virtual QRect getTotalBBox()=0;			// return BBox including childs			
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	virtual QRect getBBoxSizeWithChilds()=0;// return size of BBox including childs  
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	virtual void calcBBoxSizeWithChilds()=0;// calc size of  BBox including childs recursivly
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	virtual void setSelBox();
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    virtual void select();
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    virtual void unselect();
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	virtual	QString getSelectString()=0;
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protected:
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	void parabel(QPointArray &,double,double,double,double);	// Create Parabel connecting two points
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    QPoint childPos;
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    QPoint parPos;
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	bool link2ParPos;				// While moving around, sometimes link to parent
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	MapEditor* mapEditor;			// for updateNoteFlag() and toggleScroll()
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    LinkOrient orientation;     
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    int linkwidth;					// width of a link
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    int depth;						// depth: undef=-1 mapCenter=0 branch=1..n
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	QRect bboxTotal;				// bounding box including childs
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    LinkableMapObj* childObj;
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    LinkableMapObj* parObj;
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    LinkableMapObj* parObjTmpBuf;	// temporary buffer the original parent
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    int offset;                     // vertical offset of dockpos to pos
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	int thickness_start;			// for StylePoly*	
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    LinkStyle style;
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	LinkPos linkpos;
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    QColor linkcolor;               // Link color
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    QCanvasLine* l;                 // line style
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	QCanvasPolygon* p;				// poly styles
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    int arcsegs;                    // arc: number of segments
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    QPtrList <QCanvasLine> segment; // a part of e.g. the parabel
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	QPointArray pa0;				// For drawing of PolyParabel and PolyLine
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	QPointArray pa1;				// For drawing of PolyParabel 
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	QPointArray pa2;				// For drawing of PolyParabel	
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    QCanvasLine* bottomline;        // on bottom of BBox
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	bool repositionRequest;			// 
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	bool selected;					// Used for marking the selection
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	QCanvasRectangle* selbox;
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	FrameObj *frame;				// frame around object
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};
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#endif