linkablemapobj.cpp
author insilmaril
Mon, 22 Mar 2010 15:37:23 +0000
changeset 841 46553c106c52
parent 836 62d621e3e550
child 847 43268373032d
permissions -rw-r--r--
Fixes for QLineEdit and moving vym.changelog up one level
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#include <iostream>
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#include <math.h>
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#include "linkablemapobj.h"
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#include "branchobj.h"
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#include "vymmodel.h"
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using namespace std;
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/////////////////////////////////////////////////////////////////
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// LinkableMapObj
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/////////////////////////////////////////////////////////////////
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/* FIXME-3
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LinkableMapObj::LinkableMapObj():MapObj()
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{
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  //  cout << "Const LinkableMapObj ()\n";
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    init ();
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}
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*/
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LinkableMapObj::LinkableMapObj(QGraphicsScene* s, TreeItem *ti) :MapObj(s,ti)
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{
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//    cout << "Const LinkableMapObj s="<<s<<"  ti="<<ti<<"  treeItem="<<treeItem<<endl;
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    init ();
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}
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LinkableMapObj::LinkableMapObj (LinkableMapObj* lmo) : MapObj (lmo->scene)
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{
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    copy (lmo);
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}
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LinkableMapObj::~LinkableMapObj()
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{
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	//cout << "Destructor LMO\n";
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    delete (bottomline);
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	delLink();
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}
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void LinkableMapObj::delLink()
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{
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	//bottomline->hide();
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	switch (style)
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	{
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		case Line:
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			delete (l);
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			break;
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		case Parabel:
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			while (!segment.isEmpty()) delete segment.takeFirst();
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			break;
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		case PolyLine:
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			delete (p);
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			break;
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		case PolyParabel:
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			delete (p);
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			break;
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		default:
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			break;
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	}		
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}
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void LinkableMapObj::init ()
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{
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    parObj=NULL;
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    parObjTmpBuf=NULL;
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	tmpParent=false;
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    parPos=QPointF(0,0);
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    childPos=QPointF(0,0);
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	link2ParPos=false;
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    l=NULL;
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	p=NULL;
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    orientation=UndefinedOrientation;
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    linkwidth=20;		
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	thickness_start=8;
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    style=UndefinedStyle;
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	linkpos=Bottom;
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    arcsegs=13;
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// TODO instead of linkcolor pen.color() could be used	all around
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	pen.setWidth (1);
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	pen.setColor (linkcolor);
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	pen.setCapStyle ( Qt::RoundCap );
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	useBottomline=true;
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	bottomline=scene->addLine(QLineF(1,1,1,1),pen);
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    bottomline->setZValue(Z_LINK);
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    bottomline->show();
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	topPad=botPad=leftPad=rightPad=0;
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	repositionRequest=false;
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	// Rel Positions
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	relPos=QPointF(0,0);
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	useRelPos=false;
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}
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void LinkableMapObj::copy (LinkableMapObj* other)
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{
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    MapObj::copy(other);
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	bboxTotal=other->bboxTotal;
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    setLinkStyle(other->style);
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    setLinkColor (other->linkcolor);
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	relPos=other->relPos;
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	treeItem=other->treeItem;
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}
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void LinkableMapObj::setParObj(LinkableMapObj* o)
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{
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    parObj=o;
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}
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void LinkableMapObj::setParObjTmp(LinkableMapObj*,QPointF,int)	// FIXME-3 make pure virtual
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{
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}
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void LinkableMapObj::unsetParObjTmp()	// FIXME-3 make pure virtual
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{
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}
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bool LinkableMapObj::hasParObjTmp()
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{
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	return tmpParent;
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}
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void LinkableMapObj::setUseRelPos (const bool &b)
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{
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	useRelPos=b;
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}
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bool LinkableMapObj::getUseRelPos ()
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{
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	return useRelPos;
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}
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void LinkableMapObj::setRelPos()
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{
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	if (parObj)
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	{	
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		setRelPos (absPos - parObj->getChildPos() );
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	}	else
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		qWarning ("LMO::setRelPos() parObj==0");
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}
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void LinkableMapObj::setRelPos(const QPointF &p)
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{
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	if (parObj)
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	{		
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		relPos=p;
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		useRelPos=true;
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		parObj->calcBBoxSize();
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		requestReposition();
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	}	else
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		qWarning ("LMO::setRelPos (p) parObj==0");
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}
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QPointF LinkableMapObj::getRelPos()
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{
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	if (!parObj) 
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	{
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		qWarning("LMO::getRelPos parObj==0");
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		return QPointF();
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	}
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	return relPos;
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}
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qreal LinkableMapObj::getTopPad()
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{
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	return topPad;
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}
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qreal LinkableMapObj::getLeftPad()
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{
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	return leftPad;
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}
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qreal LinkableMapObj::getRightPad()
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{
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	return rightPad;
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}
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LinkableMapObj::Style LinkableMapObj::getDefLinkStyle (TreeItem *parent)
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{
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	VymModel *model=treeItem->getModel();
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	if (!model)
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	{
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		qWarning ("LMO::getDefLinkStyle   model=NULL");
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		//return UndefinedStyle;
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	}
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	Style ls=model->getMapLinkStyle();
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	int depth=1+parent->depth();
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	if (depth==0) return UndefinedStyle;
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	switch (ls)
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	{
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		case Line: 
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			return ls;
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			break;
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		case Parabel:
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			return ls;
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			break;
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		case PolyLine:	
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			if (depth>1)
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				return Line;
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			else	
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				return ls;
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			break;
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		case PolyParabel:	
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			if (depth>1)
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				return Parabel;
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			else	
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				return ls;
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			break;
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		default: 
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			break;	
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	}	
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	return UndefinedStyle;
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}
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void LinkableMapObj::setLinkStyle(Style newstyle)
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{
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	delLink();
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	style=newstyle;
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    if (parObj != NULL)
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    {
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		QGraphicsLineItem *cl;
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		switch (style)
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		{
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			case UndefinedStyle:
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				bottomline->hide();
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				break;
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			case Line: 
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				l = scene->addLine(QLineF(1,1,1,1),pen);
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				l->setZValue(Z_LINK);
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				if (visible)
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					l->show();
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				else
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					l->hide();
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				break;
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			case Parabel:
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				for (int i=0;i<arcsegs;i++)
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				{
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					cl = scene->addLine(QLineF(i*5,0,i*10,100),pen);
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					cl->setZValue(Z_LINK);
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					if (visible)
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						cl->show();
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					else
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						cl->hide();
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					segment.append(cl);
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				}
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				pa0.resize (arcsegs+1);
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				break;
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			case PolyLine:	
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				p =scene->addPolygon(QPolygonF(),pen,linkcolor);
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				p->setZValue(Z_LINK);
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				if (visible)
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					p->show();
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				else
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					p->hide();
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				pa0.resize (3);
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				break;
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			case PolyParabel:	
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				p = scene->addPolygon(QPolygonF(),pen,linkcolor);
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				p->setZValue(Z_LINK);
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				if (visible)
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					p->show();
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				else
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					p->hide();
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				pa0.resize (arcsegs*2+2);
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				pa1.resize (arcsegs+1);
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				pa2.resize (arcsegs+1);
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				break;
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			default: 
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				break;	
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		}	
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	} 
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}
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LinkableMapObj::Style LinkableMapObj::getLinkStyle()
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{
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	return style;
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}
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void LinkableMapObj::setLinkPos(Position lp)
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{
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	linkpos=lp;
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}
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LinkableMapObj::Position LinkableMapObj::getLinkPos()
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{
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	return linkpos;
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}
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void LinkableMapObj::setLinkColor()
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{
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	// Overloaded in BranchObj and children
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	// here only set default color
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	VymModel *model=treeItem->getModel();
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	if (model)
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		setLinkColor (model->getMapDefLinkColor());
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}
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void LinkableMapObj::setLinkColor(QColor col)
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{
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	linkcolor=col;
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	pen.setColor(col);
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    bottomline->setPen( pen );
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	switch (style)
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	{
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		case Line:
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			l->setPen( pen);
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			break;	
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		case Parabel:	
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			for (int i=0; i<segment.size(); ++i)
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				segment.at(i)->setPen( pen);
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			break;
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		case PolyLine:
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			p->setBrush( QBrush(col));
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			p->setPen( pen);
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			break;
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		case PolyParabel:	
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			p->setBrush( QBrush(col));
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			p->setPen( pen);
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			break;
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		default:
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			break;
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	} 
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}
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QColor LinkableMapObj::getLinkColor()
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{
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	return linkcolor;
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}
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void LinkableMapObj::setVisibility (bool v)
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{
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	MapObj::setVisibility (v);
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	updateVisibility();
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}
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void LinkableMapObj::setOrientation()
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{
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	Orientation orientOld=orientation;
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	if (!parObj) 
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	{
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		orientation=UndefinedOrientation;
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		return;
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	}
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    // Set orientation, first look for orientation of parent
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    if (parObj->getOrientation() != UndefinedOrientation ) 
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		// use the orientation of the parent:
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		orientation=parObj->getOrientation();
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    else
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    {
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		// calc orientation depending on position rel to parent
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		if (absPos.x() < QPointF(parObj->getChildPos() ).x() )
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			orientation=LeftOfCenter; 
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		else
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			orientation=RightOfCenter;
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    }
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	if (orientOld!=orientation) requestReposition();
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}
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void LinkableMapObj::updateVisibility()
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{
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	bool visnow=visible;
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	if (((MapItem*)treeItem)->getHideLinkUnselected()
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		&& treeItem->getModel()->getSelectedLMO() !=this)
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		visnow=false;
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	if (visnow) 
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	{
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		if (useBottomline)
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			bottomline->show();
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		else	
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			bottomline->hide();
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		switch (style)
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		{
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			case Line:
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				if (l) l->show();
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				break;
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			case Parabel:	
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				for (int i=0; i<segment.size(); ++i)
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					segment.at(i)->show();
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				break;	
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			case PolyLine:
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				if (!p) cout << "LMO::updateVis p==0 (PolyLine)\n"; //FIXME-3
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				if (p) p->show();
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				break;
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			case PolyParabel:	
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				if (!p) cout << "LMO::updateVis p==0 (PolyParabel) "<<treeItem->getHeading().toStdString()<<endl; //FIXME-3
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				if (p) p->show();
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				break;
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			default:
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				break;
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		}
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   402
	} else 
insilmaril@0
   403
	{
insilmaril@0
   404
		bottomline->hide();
insilmaril@160
   405
		switch (style)
insilmaril@0
   406
		{
insilmaril@473
   407
			case Line:
insilmaril@160
   408
				if (l) l->hide();
insilmaril@160
   409
				break;
insilmaril@473
   410
			case Parabel:	
insilmaril@406
   411
				for (int i=0; i<segment.size(); ++i)
insilmaril@406
   412
					segment.at(i)->hide();
insilmaril@160
   413
				break;	
insilmaril@473
   414
			case PolyLine:
insilmaril@160
   415
				if (p) p->hide();
insilmaril@160
   416
				break;
insilmaril@473
   417
			case PolyParabel:	
insilmaril@160
   418
				if (p) p->hide();
insilmaril@160
   419
				break;
insilmaril@160
   420
			default:
insilmaril@160
   421
				break;
insilmaril@160
   422
		}
insilmaril@0
   423
	}	
insilmaril@0
   424
}
insilmaril@0
   425
insilmaril@779
   426
void LinkableMapObj::updateLinkGeometry()
insilmaril@0
   427
{
insilmaril@0
   428
    // needs:
insilmaril@0
   429
    //	childPos of parent
insilmaril@0
   430
    //	orient   of parent
insilmaril@0
   431
    //	style
insilmaril@0
   432
    // 
insilmaril@0
   433
    // sets:
insilmaril@0
   434
    //	orientation
insilmaril@225
   435
    //	childPos	(by calling setDockPos())
insilmaril@225
   436
    //	parPos		(by calling setDockPos())
insilmaril@175
   437
	//  bottomlineY
insilmaril@0
   438
    //	drawing of the link itself
insilmaril@0
   439
insilmaril@779
   440
	// updateLinkGeometry is called from move, but called from constructor we don't
insilmaril@0
   441
	// have parents yet...
insilmaril@775
   442
insilmaril@816
   443
	//cout <<"LMO::updateLinkGeometry: "<<treeItem->getHeadingStd()<<"  "<<parObj<<endl;
insilmaril@775
   444
	if (!parObj)	
insilmaril@775
   445
	{
insilmaril@775
   446
		// If I am a mapcenter, set childPos to middle of MapCenterObj
insilmaril@775
   447
		childPos.setX( clickBox.topLeft().x() + clickBox.width()/2 );
insilmaril@775
   448
		childPos.setY( clickBox.topLeft().y() + clickBox.height()/2 );
insilmaril@775
   449
		parPos=childPos;		
insilmaril@775
   450
		// Redraw links to children
insilmaril@775
   451
		for (int i=0; i<treeItem->branchCount(); ++i)
insilmaril@779
   452
			treeItem->getBranchObjNum(i)->updateLinkGeometry();
insilmaril@775
   453
		return;	
insilmaril@775
   454
	}
insilmaril@775
   455
insilmaril@473
   456
	if (style==UndefinedStyle) return;	
insilmaril@0
   457
insilmaril@0
   458
	switch (linkpos)
insilmaril@0
   459
	{
insilmaril@473
   460
		case Middle:
insilmaril@442
   461
			bottomlineY=bbox.top() + bbox.height()/2;	// draw link to middle (of frame)
insilmaril@0
   462
			break;
insilmaril@473
   463
		case Bottom:
insilmaril@785
   464
			//bottomlineY=bbox.bottom()-1;	// draw link to bottom of box
insilmaril@785
   465
			bottomlineY=bbox.bottom()-botPad;
insilmaril@0
   466
			break;
insilmaril@0
   467
	}
insilmaril@0
   468
	
insilmaril@0
   469
    double p2x,p2y;								// Set P2 Before setting
insilmaril@0
   470
	if (!link2ParPos)
insilmaril@0
   471
	{
insilmaril@408
   472
		p2x=QPointF( parObj->getChildPos() ).x();	// P1, we have to look at
insilmaril@408
   473
		p2y=QPointF( parObj->getChildPos() ).y();	// orientation
insilmaril@0
   474
	} else	
insilmaril@0
   475
	{
insilmaril@408
   476
		p2x=QPointF( parObj->getParPos() ).x();	
insilmaril@408
   477
		p2y=QPointF( parObj->getParPos() ).y();
insilmaril@0
   478
	} 
insilmaril@0
   479
insilmaril@388
   480
	setDockPos(); // Call overloaded method
insilmaril@393
   481
	setOrientation();
insilmaril@0
   482
insilmaril@0
   483
	double p1x=parPos.x();	// Link is drawn from P1 to P2
insilmaril@0
   484
	double p1y=parPos.y();
insilmaril@0
   485
insilmaril@0
   486
	double vx=p2x - p1x;	// V=P2-P1
insilmaril@0
   487
	double vy=p2y - p1y;
insilmaril@0
   488
insilmaril@0
   489
	// Draw the horizontal line below heading (from ChildPos to ParPos)
insilmaril@408
   490
	bottomline->setLine (QLine (qRound(childPos.x()),
insilmaril@104
   491
		qRound(childPos.y()),
insilmaril@104
   492
		qRound(p1x),
insilmaril@408
   493
		qRound(p1y) ));
insilmaril@0
   494
insilmaril@0
   495
	double a;	// angle
insilmaril@0
   496
	if (vx > -0.000001 && vx < 0.000001)
insilmaril@0
   497
		a=M_PI_2;
insilmaril@0
   498
	else
insilmaril@0
   499
		a=atan( vy / vx );
insilmaril@0
   500
	// "turning point" for drawing polygonal links
insilmaril@408
   501
	QPointF tp (-qRound(sin (a)*thickness_start), qRound(cos (a)*thickness_start));	
insilmaril@0
   502
	
insilmaril@0
   503
    // Draw the link
insilmaril@0
   504
	switch (style)
insilmaril@0
   505
	{
insilmaril@473
   506
		case Line:
insilmaril@408
   507
			l->setLine( QLine(qRound (parPos.x()),
insilmaril@104
   508
				qRound(parPos.y()),
insilmaril@104
   509
				qRound(p2x),
insilmaril@408
   510
				qRound(p2y) ));
insilmaril@0
   511
			break;	
insilmaril@473
   512
		case Parabel:	
insilmaril@0
   513
			parabel (pa0, p1x,p1y,p2x,p2y);
insilmaril@406
   514
			for (int i=0; i<segment.size(); ++i)
insilmaril@408
   515
				segment.at(i)->setLine(QLineF( pa0.at(i).x(), pa0.at(i).y(),pa0.at(i+1).x(),pa0.at(i+1).y()));
insilmaril@0
   516
			break;
insilmaril@473
   517
		case PolyLine:
insilmaril@408
   518
			pa0.clear();
insilmaril@408
   519
			pa0<<QPointF (qRound(p2x+tp.x()), qRound(p2y+tp.y()));
insilmaril@408
   520
			pa0<<QPointF (qRound(p2x-tp.x()), qRound(p2y-tp.y()));
insilmaril@408
   521
			pa0<<QPointF (qRound (parPos.x()), qRound(parPos.y()) );
insilmaril@408
   522
			p->setPolygon(QPolygonF (pa0));
insilmaril@0
   523
			break;
insilmaril@473
   524
		case PolyParabel:	
insilmaril@0
   525
			parabel (pa1, p1x,p1y,p2x+tp.x(),p2y+tp.y());
insilmaril@0
   526
			parabel (pa2, p1x,p1y,p2x-tp.x(),p2y-tp.y());
insilmaril@408
   527
			pa0.clear();
insilmaril@406
   528
			for (int i=0;i<=arcsegs;i++)
insilmaril@408
   529
				pa0 << QPointF (pa1.at(i));
insilmaril@408
   530
			for (int i=0;i<=arcsegs;i++)
insilmaril@408
   531
				pa0 << QPointF (pa2.at(arcsegs-i));
insilmaril@408
   532
			p->setPolygon(QPolygonF (pa0));
insilmaril@0
   533
			break;
insilmaril@0
   534
		default:
insilmaril@0
   535
			break;
insilmaril@779
   536
	} 
insilmaril@0
   537
}
insilmaril@0
   538
	
insilmaril@0
   539
LinkableMapObj* LinkableMapObj::getParObj()
insilmaril@0
   540
{
insilmaril@0
   541
    return parObj;
insilmaril@0
   542
}
insilmaril@0
   543
insilmaril@408
   544
QPointF LinkableMapObj::getChildPos()
insilmaril@0
   545
{
insilmaril@0
   546
    return childPos;
insilmaril@0
   547
}
insilmaril@0
   548
insilmaril@408
   549
QPointF LinkableMapObj::getParPos()
insilmaril@0
   550
{
insilmaril@0
   551
    return parPos;
insilmaril@0
   552
}
insilmaril@0
   553
insilmaril@473
   554
LinkableMapObj::Orientation LinkableMapObj::getOrientation()
insilmaril@0
   555
{
insilmaril@0
   556
    return orientation;
insilmaril@0
   557
}
insilmaril@0
   558
insilmaril@408
   559
QPointF LinkableMapObj::getRandPos()
insilmaril@0
   560
{
insilmaril@0
   561
	// Choose a random position with given distance to parent:
insilmaril@0
   562
	double a=rand()%360 * 2 * M_PI / 360;
insilmaril@408
   563
    return QPointF ( (int)( + 150*cos (a)),
insilmaril@0
   564
                    (int)( + 150*sin (a)));
insilmaril@0
   565
}
insilmaril@0
   566
insilmaril@0
   567
void LinkableMapObj::reposition()
insilmaril@0
   568
{
insilmaril@0
   569
}
insilmaril@0
   570
insilmaril@785
   571
void LinkableMapObj::requestReposition()	//FIXME-3 needed?
insilmaril@0
   572
{
insilmaril@0
   573
	if (!repositionRequest)
insilmaril@0
   574
	{
insilmaril@0
   575
		// Pass on the request to parental objects, if this hasn't
insilmaril@0
   576
		// been done yet
insilmaril@0
   577
		repositionRequest=true;
insilmaril@0
   578
		if (parObj) parObj->requestReposition();
insilmaril@0
   579
	}
insilmaril@0
   580
}
insilmaril@0
   581
insilmaril@0
   582
void LinkableMapObj::forceReposition()
insilmaril@0
   583
{
insilmaril@0
   584
	// Sometimes a reposition has to be done immediatly: For example
insilmaril@0
   585
	// if the note editor flag changes, there is no user event in mapeditor
insilmaril@0
   586
	// which could collect requests for a reposition.
insilmaril@0
   587
	// Then we have to call forceReposition()
insilmaril@0
   588
	// But no rule without exception: While loading a map or undoing it,
insilmaril@0
   589
	// we want to block expensive repositioning, but just do it once at
insilmaril@0
   590
	// the end, thus check first:
insilmaril@0
   591
insilmaril@773
   592
	VymModel *model=treeItem->getModel();
insilmaril@724
   593
	if (model->isRepositionBlocked()) return;	
insilmaril@0
   594
	
insilmaril@724
   595
	// Pass on the request to parent objects, if this hasn't been done yet
insilmaril@0
   596
	if (parObj) 
insilmaril@0
   597
		parObj->forceReposition(); 
insilmaril@0
   598
	else 
insilmaril@83
   599
		reposition(); 
insilmaril@83
   600
}
insilmaril@0
   601
insilmaril@0
   602
bool LinkableMapObj::repositionRequested()
insilmaril@0
   603
{
insilmaril@0
   604
	return repositionRequest;
insilmaril@0
   605
}
insilmaril@0
   606
insilmaril@408
   607
void LinkableMapObj::parabel (QPolygonF &ya, double p1x, double p1y, double p2x, double p2y)
insilmaril@0
   608
insilmaril@0
   609
{
insilmaril@0
   610
	double vx=p2x - p1x;	// V=P2-P1
insilmaril@0
   611
	double vy=p2y - p1y;
insilmaril@0
   612
insilmaril@0
   613
	double dx;				// delta x during calculation of parabel
insilmaril@0
   614
	
insilmaril@0
   615
	double pnx;				// next point
insilmaril@0
   616
	double pny;
insilmaril@0
   617
	double m;
insilmaril@0
   618
insilmaril@0
   619
	if (vx > -0.0001 && vx < 0.0001)
insilmaril@0
   620
		m=0;
insilmaril@0
   621
	else	
insilmaril@0
   622
		m=(vy / (vx*vx));
insilmaril@0
   623
	dx=vx/(arcsegs);
insilmaril@408
   624
	ya.clear();
insilmaril@579
   625
	ya<<QPointF (p1x,p1y);
insilmaril@408
   626
	for (int i=1;i<=arcsegs;i++)
insilmaril@0
   627
	{	
insilmaril@0
   628
		pnx=p1x+dx;
insilmaril@0
   629
		pny=m*(pnx-parPos.x())*(pnx-parPos.x())+parPos.y();
insilmaril@579
   630
		ya<<QPointF (pnx,pny);
insilmaril@0
   631
		p1x=pnx;
insilmaril@0
   632
		p1y=pny;
insilmaril@0
   633
	}	
insilmaril@0
   634
}
insilmaril@0
   635