insilmaril@721: #include <iostream>
insilmaril@139: #include <math.h>
insilmaril@139: 
insilmaril@0: #include "linkablemapobj.h"
insilmaril@0: #include "branchobj.h"
insilmaril@721: #include "vymmodel.h"
insilmaril@721: 
insilmaril@721: using namespace std;
insilmaril@0: 
insilmaril@0: /////////////////////////////////////////////////////////////////
insilmaril@0: // LinkableMapObj
insilmaril@0: /////////////////////////////////////////////////////////////////
insilmaril@0: 
insilmaril@790: /* FIXME-3
insilmaril@0: LinkableMapObj::LinkableMapObj():MapObj()
insilmaril@0: {
insilmaril@0:   //  cout << "Const LinkableMapObj ()\n";
insilmaril@0:     init ();
insilmaril@0: }
insilmaril@790: */
insilmaril@0: 
insilmaril@790: LinkableMapObj::LinkableMapObj(QGraphicsScene* s, TreeItem *ti) :MapObj(s,ti)
insilmaril@0: {
insilmaril@790: //    cout << "Const LinkableMapObj s="<<s<<"  ti="<<ti<<"  treeItem="<<treeItem<<endl;
insilmaril@0:     init ();
insilmaril@0: }
insilmaril@0: 
insilmaril@408: LinkableMapObj::LinkableMapObj (LinkableMapObj* lmo) : MapObj (lmo->scene)
insilmaril@0: {
insilmaril@0:     copy (lmo);
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkableMapObj::~LinkableMapObj()
insilmaril@0: {
insilmaril@791: 	//cout << "Destructor LMO\n";
insilmaril@0:     delete (bottomline);
insilmaril@0: 	delLink();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::delLink()
insilmaril@0: {
insilmaril@798: 	//bottomline->hide();
insilmaril@0: 	switch (style)
insilmaril@0: 	{
insilmaril@473: 		case Line:
insilmaril@0: 			delete (l);
insilmaril@0: 			break;
insilmaril@473: 		case Parabel:
insilmaril@406: 			while (!segment.isEmpty()) delete segment.takeFirst();
insilmaril@0: 			break;
insilmaril@473: 		case PolyLine:
insilmaril@0: 			delete (p);
insilmaril@0: 			break;
insilmaril@473: 		case PolyParabel:
insilmaril@0: 			delete (p);
insilmaril@0: 			break;
insilmaril@0: 		default:
insilmaril@0: 			break;
insilmaril@0: 	}		
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::init ()
insilmaril@0: {
insilmaril@0:     parObj=NULL;
insilmaril@0:     parObjTmpBuf=NULL;
insilmaril@798: 	tmpParent=false;
insilmaril@408:     parPos=QPointF(0,0);
insilmaril@408:     childPos=QPointF(0,0);
insilmaril@0: 	link2ParPos=false;
insilmaril@0:     l=NULL;
insilmaril@727: 	p=NULL;
insilmaril@473:     orientation=UndefinedOrientation;
insilmaril@0:     linkwidth=20;		
insilmaril@0: 	thickness_start=8;
insilmaril@473:     style=UndefinedStyle;
insilmaril@473: 	linkpos=Bottom;
insilmaril@0:     arcsegs=13;
insilmaril@0:     
insilmaril@412: // TODO instead of linkcolor pen.color() could be used	all around
insilmaril@408: 	pen.setWidth (1);
insilmaril@408: 	pen.setColor (linkcolor);
insilmaril@408: 	pen.setCapStyle ( Qt::RoundCap );
insilmaril@798: 
insilmaril@798: 	useBottomline=true;
insilmaril@408: 	bottomline=scene->addLine(QLineF(1,1,1,1),pen);
insilmaril@408:     bottomline->setZValue(Z_LINK);
insilmaril@0:     bottomline->show();
insilmaril@0: 
insilmaril@175: 	topPad=botPad=leftPad=rightPad=0;
insilmaril@175: 
insilmaril@0: 	repositionRequest=false;
insilmaril@218: 
insilmaril@218: 	// Rel Positions
insilmaril@408: 	relPos=QPointF(0,0);
insilmaril@250: 	useRelPos=false;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::copy (LinkableMapObj* other)
insilmaril@0: {
insilmaril@0:     MapObj::copy(other);
insilmaril@0: 	bboxTotal=other->bboxTotal;
insilmaril@0:     setLinkStyle(other->style);
insilmaril@0:     setLinkColor (other->linkcolor);
insilmaril@218: 	relPos=other->relPos;
insilmaril@726: 	treeItem=other->treeItem;
insilmaril@726: }
insilmaril@726: 
insilmaril@0: void LinkableMapObj::setParObj(LinkableMapObj* o)
insilmaril@0: {
insilmaril@0:     parObj=o;
insilmaril@0: }
insilmaril@0: 
insilmaril@746: void LinkableMapObj::setParObjTmp(LinkableMapObj*,QPointF,int)	// FIXME-3 make pure virtual
insilmaril@0: {
insilmaril@0: }
insilmaril@0: 
insilmaril@746: void LinkableMapObj::unsetParObjTmp()	// FIXME-3 make pure virtual
insilmaril@0: {
insilmaril@0: }
insilmaril@0: 
insilmaril@164: bool LinkableMapObj::hasParObjTmp()
insilmaril@164: {
insilmaril@798: 	return tmpParent;
insilmaril@164: }
insilmaril@164: 
insilmaril@218: void LinkableMapObj::setUseRelPos (const bool &b)
insilmaril@218: {
insilmaril@218: 	useRelPos=b;
insilmaril@218: }
insilmaril@218: 
insilmaril@835: bool LinkableMapObj::getUseRelPos ()
insilmaril@835: {
insilmaril@835: 	return useRelPos;
insilmaril@835: }
insilmaril@835: 
insilmaril@218: void LinkableMapObj::setRelPos()
insilmaril@218: {
insilmaril@218: 	if (parObj)
insilmaril@218: 	{	
insilmaril@395: 		relPos.setX (absPos.x() - parObj->getChildPos().x() );
insilmaril@395: 		relPos.setY (absPos.y() - parObj->getChildPos().y() );
insilmaril@218: 		parObj->calcBBoxSize();
insilmaril@494: 	}	
insilmaril@218: }
insilmaril@218: 
insilmaril@408: void LinkableMapObj::setRelPos(const QPointF &p)
insilmaril@218: {
insilmaril@218: 	relPos=p;
insilmaril@218: 	if (parObj)
insilmaril@388: 	{		
insilmaril@388: 		parObj->calcBBoxSize();
insilmaril@388: 		requestReposition();
insilmaril@395: 	}
insilmaril@218: }
insilmaril@218: 
insilmaril@408: QPointF LinkableMapObj::getRelPos()
insilmaril@366: {
insilmaril@835: 	if (!parObj) 
insilmaril@835: 	{
insilmaril@835: 		qWarning("LMO::getRelPos parObj==0");
insilmaril@835: 		return QPointF();
insilmaril@835: 	}
insilmaril@366: 	return relPos;
insilmaril@366: }
insilmaril@366: 
insilmaril@408: qreal LinkableMapObj::getTopPad()
insilmaril@175: {
insilmaril@175: 	return topPad;
insilmaril@175: }
insilmaril@175: 
insilmaril@408: qreal LinkableMapObj::getLeftPad()
insilmaril@175: {
insilmaril@175: 	return leftPad;
insilmaril@175: }
insilmaril@175: 
insilmaril@408: qreal LinkableMapObj::getRightPad()
insilmaril@175: {
insilmaril@175: 	return rightPad;
insilmaril@175: }
insilmaril@175: 
insilmaril@786: LinkableMapObj::Style LinkableMapObj::getDefLinkStyle (TreeItem *parent)
insilmaril@0: {
insilmaril@773: 	VymModel *model=treeItem->getModel();
insilmaril@721: 	if (!model)
insilmaril@721: 	{
insilmaril@721: 		qWarning ("LMO::getDefLinkStyle   model=NULL");
insilmaril@727: 		//return UndefinedStyle;
insilmaril@721: 	}
insilmaril@721: 	Style ls=model->getMapLinkStyle();
insilmaril@786: 	int depth=1+parent->depth();
insilmaril@727: 	if (depth==0) return UndefinedStyle;
insilmaril@0: 	switch (ls)
insilmaril@0: 	{
insilmaril@473: 		case Line: 
insilmaril@0: 			return ls;
insilmaril@0: 			break;
insilmaril@473: 		case Parabel:
insilmaril@0: 			return ls;
insilmaril@0: 			break;
insilmaril@473: 		case PolyLine:	
insilmaril@0: 			if (depth>1)
insilmaril@473: 				return Line;
insilmaril@0: 			else	
insilmaril@0: 				return ls;
insilmaril@0: 			break;
insilmaril@473: 		case PolyParabel:	
insilmaril@0: 			if (depth>1)
insilmaril@473: 				return Parabel;
insilmaril@0: 			else	
insilmaril@0: 				return ls;
insilmaril@0: 			break;
insilmaril@0: 		default: 
insilmaril@0: 			break;	
insilmaril@0: 	}	
insilmaril@473: 	return UndefinedStyle;
insilmaril@0: }
insilmaril@0: 
insilmaril@473: void LinkableMapObj::setLinkStyle(Style newstyle)
insilmaril@0: {
insilmaril@0: 	delLink();
insilmaril@0: 		
insilmaril@0: 	style=newstyle;
insilmaril@0: 
insilmaril@773:     if (parObj != NULL)
insilmaril@0:     {
insilmaril@408: 		QGraphicsLineItem *cl;
insilmaril@0: 		switch (style)
insilmaril@0: 		{
insilmaril@473: 			case UndefinedStyle:
insilmaril@0: 				bottomline->hide();
insilmaril@0: 				break;
insilmaril@473: 			case Line: 
insilmaril@408: 				l = scene->addLine(QLineF(1,1,1,1),pen);
insilmaril@408: 				l->setZValue(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					l->show();
insilmaril@0: 				else
insilmaril@0: 					l->hide();
insilmaril@0: 				break;
insilmaril@473: 			case Parabel:
insilmaril@408: 				for (int i=0;i<arcsegs;i++)
insilmaril@0: 				{
insilmaril@408: 					cl = scene->addLine(QLineF(i*5,0,i*10,100),pen);
insilmaril@408: 					cl->setZValue(Z_LINK);
insilmaril@0: 					if (visible)
insilmaril@0: 						cl->show();
insilmaril@0: 					else
insilmaril@0: 						cl->hide();
insilmaril@0: 					segment.append(cl);
insilmaril@0: 				}
insilmaril@0: 				pa0.resize (arcsegs+1);
insilmaril@0: 				break;
insilmaril@473: 			case PolyLine:	
insilmaril@408: 				p =scene->addPolygon(QPolygonF(),pen,linkcolor);
insilmaril@408: 				p->setZValue(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					p->show();
insilmaril@0: 				else
insilmaril@0: 					p->hide();
insilmaril@0: 				pa0.resize (3);
insilmaril@0: 				break;
insilmaril@473: 			case PolyParabel:	
insilmaril@408: 				p = scene->addPolygon(QPolygonF(),pen,linkcolor);
insilmaril@408: 				p->setZValue(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					p->show();
insilmaril@0: 				else
insilmaril@0: 					p->hide();
insilmaril@0: 				pa0.resize (arcsegs*2+2);
insilmaril@0: 				pa1.resize (arcsegs+1);
insilmaril@0: 				pa2.resize (arcsegs+1);
insilmaril@0: 				break;
insilmaril@0: 			default: 
insilmaril@0: 				break;	
insilmaril@0: 		}	
insilmaril@164: 	} 
insilmaril@0: }
insilmaril@0: 
insilmaril@473: LinkableMapObj::Style LinkableMapObj::getLinkStyle()
insilmaril@0: {
insilmaril@0: 	return style;
insilmaril@0: }
insilmaril@0: 
insilmaril@473: void LinkableMapObj::setLinkPos(Position lp)
insilmaril@0: {
insilmaril@0: 	linkpos=lp;
insilmaril@0: }
insilmaril@0: 
insilmaril@473: LinkableMapObj::Position LinkableMapObj::getLinkPos()
insilmaril@0: {
insilmaril@0: 	return linkpos;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setLinkColor()
insilmaril@0: {
insilmaril@721: 	// Overloaded in BranchObj and children
insilmaril@0: 	// here only set default color
insilmaril@773: 	VymModel *model=treeItem->getModel();
insilmaril@721: 	if (model)
insilmaril@721: 		setLinkColor (model->getMapDefLinkColor());
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setLinkColor(QColor col)
insilmaril@0: {
insilmaril@0: 	linkcolor=col;
insilmaril@408: 	pen.setColor(col);
insilmaril@408:     bottomline->setPen( pen );
insilmaril@0: 	switch (style)
insilmaril@0: 	{
insilmaril@473: 		case Line:
insilmaril@408: 			l->setPen( pen);
insilmaril@0: 			break;	
insilmaril@473: 		case Parabel:	
insilmaril@406: 			for (int i=0; i<segment.size(); ++i)
insilmaril@408: 				segment.at(i)->setPen( pen);
insilmaril@0: 			break;
insilmaril@473: 		case PolyLine:
insilmaril@0: 			p->setBrush( QBrush(col));
insilmaril@497: 			p->setPen( pen);
insilmaril@0: 			break;
insilmaril@473: 		case PolyParabel:	
insilmaril@0: 			p->setBrush( QBrush(col));
insilmaril@497: 			p->setPen( pen);
insilmaril@0: 			break;
insilmaril@0: 		default:
insilmaril@0: 			break;
insilmaril@755: 	} 
insilmaril@0: }
insilmaril@0: 
insilmaril@0: QColor LinkableMapObj::getLinkColor()
insilmaril@0: {
insilmaril@0: 	return linkcolor;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setVisibility (bool v)
insilmaril@0: {
insilmaril@0: 	MapObj::setVisibility (v);
insilmaril@779: 	updateVisibility();
insilmaril@779: }
insilmaril@779: 
insilmaril@779: void LinkableMapObj::setOrientation()
insilmaril@779: {
insilmaril@779: 	Orientation orientOld=orientation;
insilmaril@779: 
insilmaril@779: 	if (!parObj) 
insilmaril@779: 	{
insilmaril@779: 		orientation=UndefinedOrientation;
insilmaril@779: 		return;
insilmaril@779: 	}
insilmaril@779: 		
insilmaril@779:     // Set orientation, first look for orientation of parent
insilmaril@779:     if (parObj->getOrientation() != UndefinedOrientation ) 
insilmaril@779: 		// use the orientation of the parent:
insilmaril@779: 		orientation=parObj->getOrientation();
insilmaril@779:     else
insilmaril@779:     {
insilmaril@779: 		// calc orientation depending on position rel to parent
insilmaril@779: 		if (absPos.x() < QPointF(parObj->getChildPos() ).x() )
insilmaril@779: 			orientation=LeftOfCenter; 
insilmaril@779: 		else
insilmaril@779: 			orientation=RightOfCenter;
insilmaril@779:     }
insilmaril@779: 	if (orientOld!=orientation) requestReposition();
insilmaril@779: }
insilmaril@779: 
insilmaril@779: void LinkableMapObj::updateVisibility()
insilmaril@779: {
insilmaril@160: 	bool visnow=visible;
insilmaril@260: 
insilmaril@779: 	if (((MapItem*)treeItem)->getHideLinkUnselected()
insilmaril@779: 		&& treeItem->getModel()->getSelectedLMO() !=this)
insilmaril@160: 		visnow=false;
insilmaril@160: 
insilmaril@160: 	if (visnow) 
insilmaril@0: 	{
insilmaril@798: 		if (useBottomline)
insilmaril@798: 			bottomline->show();
insilmaril@798: 		else	
insilmaril@798: 			bottomline->hide();
insilmaril@798: 
insilmaril@160: 		switch (style)
insilmaril@0: 		{
insilmaril@473: 			case Line:
insilmaril@160: 				if (l) l->show();
insilmaril@160: 				break;
insilmaril@473: 			case Parabel:	
insilmaril@406: 				for (int i=0; i<segment.size(); ++i)
insilmaril@406: 					segment.at(i)->show();
insilmaril@160: 				break;	
insilmaril@473: 			case PolyLine:
insilmaril@779: 				if (!p) cout << "LMO::updateVis p==0 (PolyLine)\n"; //FIXME-3
insilmaril@160: 				if (p) p->show();
insilmaril@160: 				break;
insilmaril@473: 			case PolyParabel:	
insilmaril@779: 				if (!p) cout << "LMO::updateVis p==0 (PolyParabel) "<<treeItem->getHeading().toStdString()<<endl; //FIXME-3
insilmaril@160: 				if (p) p->show();
insilmaril@160: 				break;
insilmaril@160: 			default:
insilmaril@160: 				break;
insilmaril@160: 		}
insilmaril@0: 	} else 
insilmaril@0: 	{
insilmaril@0: 		bottomline->hide();
insilmaril@160: 		switch (style)
insilmaril@0: 		{
insilmaril@473: 			case Line:
insilmaril@160: 				if (l) l->hide();
insilmaril@160: 				break;
insilmaril@473: 			case Parabel:	
insilmaril@406: 				for (int i=0; i<segment.size(); ++i)
insilmaril@406: 					segment.at(i)->hide();
insilmaril@160: 				break;	
insilmaril@473: 			case PolyLine:
insilmaril@160: 				if (p) p->hide();
insilmaril@160: 				break;
insilmaril@473: 			case PolyParabel:	
insilmaril@160: 				if (p) p->hide();
insilmaril@160: 				break;
insilmaril@160: 			default:
insilmaril@160: 				break;
insilmaril@160: 		}
insilmaril@0: 	}	
insilmaril@0: }
insilmaril@0: 
insilmaril@779: void LinkableMapObj::updateLinkGeometry()
insilmaril@0: {
insilmaril@0:     // needs:
insilmaril@0:     //	childPos of parent
insilmaril@0:     //	orient   of parent
insilmaril@0:     //	style
insilmaril@0:     // 
insilmaril@0:     // sets:
insilmaril@0:     //	orientation
insilmaril@225:     //	childPos	(by calling setDockPos())
insilmaril@225:     //	parPos		(by calling setDockPos())
insilmaril@175: 	//  bottomlineY
insilmaril@0:     //	drawing of the link itself
insilmaril@0: 
insilmaril@779: 	// updateLinkGeometry is called from move, but called from constructor we don't
insilmaril@0: 	// have parents yet...
insilmaril@775: 
insilmaril@816: 	//cout <<"LMO::updateLinkGeometry: "<<treeItem->getHeadingStd()<<"  "<<parObj<<endl;
insilmaril@775: 	if (!parObj)	
insilmaril@775: 	{
insilmaril@775: 		// If I am a mapcenter, set childPos to middle of MapCenterObj
insilmaril@775: 		childPos.setX( clickBox.topLeft().x() + clickBox.width()/2 );
insilmaril@775: 		childPos.setY( clickBox.topLeft().y() + clickBox.height()/2 );
insilmaril@775: 		parPos=childPos;		
insilmaril@775: 		// Redraw links to children
insilmaril@775: 		for (int i=0; i<treeItem->branchCount(); ++i)
insilmaril@779: 			treeItem->getBranchObjNum(i)->updateLinkGeometry();
insilmaril@775: 		return;	
insilmaril@775: 	}
insilmaril@775: 
insilmaril@473: 	if (style==UndefinedStyle) return;	
insilmaril@0: 
insilmaril@0: 	switch (linkpos)
insilmaril@0: 	{
insilmaril@473: 		case Middle:
insilmaril@442: 			bottomlineY=bbox.top() + bbox.height()/2;	// draw link to middle (of frame)
insilmaril@0: 			break;
insilmaril@473: 		case Bottom:
insilmaril@785: 			//bottomlineY=bbox.bottom()-1;	// draw link to bottom of box
insilmaril@785: 			bottomlineY=bbox.bottom()-botPad;
insilmaril@0: 			break;
insilmaril@0: 	}
insilmaril@0: 	
insilmaril@0:     double p2x,p2y;								// Set P2 Before setting
insilmaril@0: 	if (!link2ParPos)
insilmaril@0: 	{
insilmaril@408: 		p2x=QPointF( parObj->getChildPos() ).x();	// P1, we have to look at
insilmaril@408: 		p2y=QPointF( parObj->getChildPos() ).y();	// orientation
insilmaril@0: 	} else	
insilmaril@0: 	{
insilmaril@408: 		p2x=QPointF( parObj->getParPos() ).x();	
insilmaril@408: 		p2y=QPointF( parObj->getParPos() ).y();
insilmaril@0: 	} 
insilmaril@0: 
insilmaril@388: 	setDockPos(); // Call overloaded method
insilmaril@393: 	setOrientation();
insilmaril@0: 
insilmaril@0: 	double p1x=parPos.x();	// Link is drawn from P1 to P2
insilmaril@0: 	double p1y=parPos.y();
insilmaril@0: 
insilmaril@0: 	double vx=p2x - p1x;	// V=P2-P1
insilmaril@0: 	double vy=p2y - p1y;
insilmaril@0: 
insilmaril@0: 	// Draw the horizontal line below heading (from ChildPos to ParPos)
insilmaril@408: 	bottomline->setLine (QLine (qRound(childPos.x()),
insilmaril@104: 		qRound(childPos.y()),
insilmaril@104: 		qRound(p1x),
insilmaril@408: 		qRound(p1y) ));
insilmaril@0: 
insilmaril@0: 	double a;	// angle
insilmaril@0: 	if (vx > -0.000001 && vx < 0.000001)
insilmaril@0: 		a=M_PI_2;
insilmaril@0: 	else
insilmaril@0: 		a=atan( vy / vx );
insilmaril@0: 	// "turning point" for drawing polygonal links
insilmaril@408: 	QPointF tp (-qRound(sin (a)*thickness_start), qRound(cos (a)*thickness_start));	
insilmaril@0: 	
insilmaril@0:     // Draw the link
insilmaril@0: 	switch (style)
insilmaril@0: 	{
insilmaril@473: 		case Line:
insilmaril@408: 			l->setLine( QLine(qRound (parPos.x()),
insilmaril@104: 				qRound(parPos.y()),
insilmaril@104: 				qRound(p2x),
insilmaril@408: 				qRound(p2y) ));
insilmaril@0: 			break;	
insilmaril@473: 		case Parabel:	
insilmaril@0: 			parabel (pa0, p1x,p1y,p2x,p2y);
insilmaril@406: 			for (int i=0; i<segment.size(); ++i)
insilmaril@408: 				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: 			break;
insilmaril@473: 		case PolyLine:
insilmaril@408: 			pa0.clear();
insilmaril@408: 			pa0<<QPointF (qRound(p2x+tp.x()), qRound(p2y+tp.y()));
insilmaril@408: 			pa0<<QPointF (qRound(p2x-tp.x()), qRound(p2y-tp.y()));
insilmaril@408: 			pa0<<QPointF (qRound (parPos.x()), qRound(parPos.y()) );
insilmaril@408: 			p->setPolygon(QPolygonF (pa0));
insilmaril@0: 			break;
insilmaril@473: 		case PolyParabel:	
insilmaril@0: 			parabel (pa1, p1x,p1y,p2x+tp.x(),p2y+tp.y());
insilmaril@0: 			parabel (pa2, p1x,p1y,p2x-tp.x(),p2y-tp.y());
insilmaril@408: 			pa0.clear();
insilmaril@406: 			for (int i=0;i<=arcsegs;i++)
insilmaril@408: 				pa0 << QPointF (pa1.at(i));
insilmaril@408: 			for (int i=0;i<=arcsegs;i++)
insilmaril@408: 				pa0 << QPointF (pa2.at(arcsegs-i));
insilmaril@408: 			p->setPolygon(QPolygonF (pa0));
insilmaril@0: 			break;
insilmaril@0: 		default:
insilmaril@0: 			break;
insilmaril@779: 	} 
insilmaril@0: }
insilmaril@0: 	
insilmaril@0: LinkableMapObj* LinkableMapObj::getParObj()
insilmaril@0: {
insilmaril@0:     return parObj;
insilmaril@0: }
insilmaril@0: 
insilmaril@408: QPointF LinkableMapObj::getChildPos()
insilmaril@0: {
insilmaril@0:     return childPos;
insilmaril@0: }
insilmaril@0: 
insilmaril@408: QPointF LinkableMapObj::getParPos()
insilmaril@0: {
insilmaril@0:     return parPos;
insilmaril@0: }
insilmaril@0: 
insilmaril@473: LinkableMapObj::Orientation LinkableMapObj::getOrientation()
insilmaril@0: {
insilmaril@0:     return orientation;
insilmaril@0: }
insilmaril@0: 
insilmaril@408: QPointF LinkableMapObj::getRandPos()
insilmaril@0: {
insilmaril@0: 	// Choose a random position with given distance to parent:
insilmaril@0: 	double a=rand()%360 * 2 * M_PI / 360;
insilmaril@408:     return QPointF ( (int)( + 150*cos (a)),
insilmaril@0:                     (int)( + 150*sin (a)));
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::reposition()
insilmaril@0: {
insilmaril@0: }
insilmaril@0: 
insilmaril@785: void LinkableMapObj::requestReposition()	//FIXME-3 needed?
insilmaril@0: {
insilmaril@0: 	if (!repositionRequest)
insilmaril@0: 	{
insilmaril@0: 		// Pass on the request to parental objects, if this hasn't
insilmaril@0: 		// been done yet
insilmaril@0: 		repositionRequest=true;
insilmaril@0: 		if (parObj) parObj->requestReposition();
insilmaril@0: 	}
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::forceReposition()
insilmaril@0: {
insilmaril@0: 	// Sometimes a reposition has to be done immediatly: For example
insilmaril@0: 	// if the note editor flag changes, there is no user event in mapeditor
insilmaril@0: 	// which could collect requests for a reposition.
insilmaril@0: 	// Then we have to call forceReposition()
insilmaril@0: 	// But no rule without exception: While loading a map or undoing it,
insilmaril@0: 	// we want to block expensive repositioning, but just do it once at
insilmaril@0: 	// the end, thus check first:
insilmaril@0: 
insilmaril@773: 	VymModel *model=treeItem->getModel();
insilmaril@724: 	if (model->isRepositionBlocked()) return;	
insilmaril@0: 	
insilmaril@724: 	// Pass on the request to parent objects, if this hasn't been done yet
insilmaril@0: 	if (parObj) 
insilmaril@0: 		parObj->forceReposition(); 
insilmaril@0: 	else 
insilmaril@83: 		reposition(); 
insilmaril@83: }
insilmaril@0: 
insilmaril@0: bool LinkableMapObj::repositionRequested()
insilmaril@0: {
insilmaril@0: 	return repositionRequest;
insilmaril@0: }
insilmaril@0: 
insilmaril@408: void LinkableMapObj::parabel (QPolygonF &ya, double p1x, double p1y, double p2x, double p2y)
insilmaril@0: 
insilmaril@0: {
insilmaril@0: 	double vx=p2x - p1x;	// V=P2-P1
insilmaril@0: 	double vy=p2y - p1y;
insilmaril@0: 
insilmaril@0: 	double dx;				// delta x during calculation of parabel
insilmaril@0: 	
insilmaril@0: 	double pnx;				// next point
insilmaril@0: 	double pny;
insilmaril@0: 	double m;
insilmaril@0: 
insilmaril@0: 	if (vx > -0.0001 && vx < 0.0001)
insilmaril@0: 		m=0;
insilmaril@0: 	else	
insilmaril@0: 		m=(vy / (vx*vx));
insilmaril@0: 	dx=vx/(arcsegs);
insilmaril@408: 	ya.clear();
insilmaril@579: 	ya<<QPointF (p1x,p1y);
insilmaril@408: 	for (int i=1;i<=arcsegs;i++)
insilmaril@0: 	{	
insilmaril@0: 		pnx=p1x+dx;
insilmaril@0: 		pny=m*(pnx-parPos.x())*(pnx-parPos.x())+parPos.y();
insilmaril@579: 		ya<<QPointF (pnx,pny);
insilmaril@0: 		p1x=pnx;
insilmaril@0: 		p1y=pny;
insilmaril@0: 	}	
insilmaril@0: }
insilmaril@0: