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xlinkitem.cpp
author insilmaril
Tue, 06 Apr 2010 13:30:07 +0000
changeset 843 2d36a7bb0867
parent 825 1ad892c1a709
child 847 43268373032d
permissions -rw-r--r--
(Very) minor changes for debugging output 
     1 #include <QGraphicsScene>

     2 #include "xlinkitem.h"

     3 

     4 #include "branchitem.h"

     5 #include "linkablemapobj.h"

     6 #include "vymmodel.h"

     7 #include "xlinkobj.h"

     8 

     9 /////////////////////////////////////////////////////////////////

    10 // XLinkItem

    11 /////////////////////////////////////////////////////////////////

    12 

    13 XLinkItem::XLinkItem (const QList<QVariant> &data, TreeItem *parent):MapItem (data,parent)

    14 

    15 {

    16 	//qDebug() << "Const XLinkItem () "<<this;

    17 	init();

    18 }

    19 

    20 XLinkItem::~XLinkItem ()

    21 {

    22 	qDebug() << "Destr XLinkItem "<<this<<"  lmo="<<lmo;

    23 	if (lmo)

    24 	{

    25 		qDebug() <<" calling delete (lmo)"; 

    26 		delete (lmo);

    27 	}

    28 	if (partnerXLink)

    29 	{

    30 		// Also delete partner 

    31 		qDebug() << "  deleting partner="<<partnerXLink;

    32 		partnerXLink->partnerXLink=NULL;	// avoid endless recusion

    33 		model->deleteItem (partnerXLink);

    34 	}

    35 }

    36 

    37 

    38 void XLinkItem::init () 

    39 {

    40 	setType (XLink);

    41 	beginBranch=NULL;

    42 	endBranch=NULL;

    43 	partnerXLink=NULL;

    44 	isBeginXLink=true;

    45 	xLinkState=XLinkItem::undefinedXLink;

    46 

    47 	color=QColor (180,180,180);

    48 	width=1;

    49 }

    50 

    51 void XLinkItem::setBegin (BranchItem *bi)

    52 {

    53 	if (bi) 

    54 	{

    55 		xLinkState=initXLink;

    56 		beginBranch=bi;

    57 	}	

    58 }

    59 

    60 BranchItem* XLinkItem::getBegin ()

    61 {

    62 	return beginBranch;

    63 }

    64 

    65 void XLinkItem::setEnd (BranchItem *bi)

    66 {

    67 	if (bi) 

    68 	{

    69 		xLinkState=initXLink;

    70 		endBranch=bi;

    71 	}		

    72 }

    73 

    74 BranchItem* XLinkItem::getEnd()

    75 {

    76 	return endBranch;

    77 }

    78 

    79 void XLinkItem::setWidth (int w)

    80 {

    81 	if (isBeginXLink)

    82 	{

    83 		width=w;

    84 		if (lmo) ((XLinkObj*)lmo)->updateXLink();

    85 		return;

    86 	}

    87 	if (partnerXLink)

    88 		partnerXLink->setWidth (w);

    89 }

    90 

    91 int XLinkItem::getWidth()

    92 {

    93 	if (isBeginXLink) return width;

    94 	if (partnerXLink)

    95 		return partnerXLink->getWidth();

    96 	else

    97 		return -1;

    98 }

    99 

   100 void XLinkItem::setColor(QColor c)

   101 {

   102 	if (isBeginXLink)

   103 	{

   104 		color=c;

   105 		if (lmo) ((XLinkObj*)lmo)->updateXLink();

   106 		return;

   107 	}	

   108 	if (partnerXLink)

   109 		partnerXLink->setColor (c);

   110 }

   111 

   112 QColor XLinkItem::getColor()

   113 {

   114 	if (isBeginXLink) return color;

   115 	if (partnerXLink)

   116 		return partnerXLink->getColor();

   117 	else

   118 		return QColor();

   119 }

   120 

   121 void XLinkItem::setEnd (QPointF p)

   122 {

   123 	if (lmo) ((XLinkObj*)lmo)->setEnd (p);

   124 }

   125 

   126 bool XLinkItem::activate ()	

   127 {

   128 	if (beginBranch && endBranch)

   129 	{

   130 		if (beginBranch==endBranch) return false;

   131 

   132 		partnerXLink=model->createXLink (endBranch);

   133 		partnerXLink->setBegin (beginBranch);

   134 		partnerXLink->setEnd (endBranch);

   135 		partnerXLink->partnerXLink=this;

   136 		partnerXLink->isBeginXLink=false;

   137 

   138 		xLinkState=activeXLink;

   139 		partnerXLink->xLinkState=activeXLink;

   140 		partnerXLink->setHeading ("xLink to: "+beginBranch->getHeading());

   141 		setHeading ("xLink to: "+endBranch->getHeading());

   142 

   143 		model->updateActions();

   144 		return true;

   145 	} else

   146 		return false;

   147 }

   148 

   149 bool XLinkItem::isBegin()

   150 {

   151 	return isBeginXLink;

   152 }

   153 

   154 void XLinkItem::updateXLink()

   155 {

   156 	if(lmo && isBeginXLink) 

   157 		((XLinkObj*)lmo)->updateXLink();

   158 	else 

   159 		if (partnerXLink) partnerXLink->updateXLink();

   160 }

   161 

   162 void XLinkItem::updateVisibility()

   163 {

   164 	if (lmo) lmo->updateVisibility();

   165 }

   166 

   167 BranchItem* XLinkItem::getPartnerBranch()

   168 {

   169 	if (!beginBranch && !endBranch)

   170 		return NULL;

   171 	if (isBeginXLink)

   172 		return endBranch;

   173 	else	

   174 		return beginBranch;

   175 }

   176 

   177 BranchItem* XLinkItem::getOtherBranch(TreeItem *ti)

   178 {

   179 	BranchItem *pb=getPartnerBranch();

   180 	if (!pb) return NULL;

   181 

   182 	if (ti==beginBranch)

   183 		return endBranch;

   184 	else

   185 		return beginBranch;

   186 }

   187 

   188 

   189 

   190 XLinkItem* XLinkItem::getPartnerXLink()

   191 {

   192 	return partnerXLink;

   193 }

   194 

   195 

   196 QString XLinkItem::saveToDir ()

   197 {

   198 	QString s="";

   199 	if (beginBranch && endBranch && xLinkState==activeXLink)

   200 	{

   201 		if (beginBranch==endBranch )

   202 			qWarning ("XLI::saveToDir  beginBranch==endBranch"); //FIXME-3	s=""

   203 		else

   204 		{

   205 			QString colAttr=attribut ("color",color.name());

   206 			QString widAttr=attribut ("width",QString().setNum(width,10));

   207 			QString begSelAttr=attribut ("beginID",model->getSelectString(beginBranch));

   208 			QString endSelAttr=attribut ("endID",  model->getSelectString(endBranch));

   209 			s=beginElement ("xlink", colAttr +widAttr +begSelAttr +endSelAttr);

   210 

   211 			s+=endElement ("xlink");

   212 		}

   213 	}

   214 	return s;

   215 }

   216 

   217 XLinkObj* XLinkItem::createMapObj(QGraphicsScene *scene)  

   218 {

   219 	XLinkObj* xlo=new XLinkObj (scene,this);

   220 	lmo=(LinkableMapObj*)xlo;

   221 	return xlo;

   222 }

   223
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