xml.cpp
author insilmaril
Fri Aug 19 07:42:31 2005 +0000 (2005-08-19)
changeset 155 7f06b2e3afb5
parent 104 270593ab83b2
child 160 72cc3873306a
permissions -rw-r--r--
added license in new aboutwindow and debian subdir by Steffen Joeris
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#include "xml.h"
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#include <qmessagebox.h>
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#include <qcolor.h>
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#include <qstylesheet.h>
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#include <iostream>
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#include "misc.h"
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#include "settings.h"
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#include "linkablemapobj.h"
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#include "version.h"
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static BranchObj *lastBranch;
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static FloatObj *lastFloat;
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extern Settings settings;
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mapBuilderHandler::mapBuilderHandler() {}
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mapBuilderHandler::~mapBuilderHandler() {}
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QString mapBuilderHandler::errorProtocol() { return errorProt; }
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bool mapBuilderHandler::startDocument()
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{
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    errorProt = "";
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    state = StateInit;
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    laststate = StateInit;
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    branchDepth=0;
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	htmldata="";
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	isVymPart=false;
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    return true;
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}
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QString mapBuilderHandler::parseHREF(QString href)
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{
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	QString type=href.section(":",0,0);
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	QString path=href.section(":",1,1);
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	if (!tmpDir.endsWith("/"))
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		return tmpDir + "/" + path;
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	else	
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		return tmpDir + path;
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}
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bool mapBuilderHandler::startElement  ( const QString&, const QString&,
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                    const QString& eName, const QXmlAttributes& atts ) 
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{
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    QColor col;
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	//cout << "startElement <"<<eName<<">  state="<<state <<"  laststate="<<laststate<<"   loadMode="<<loadMode<<endl;
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    if ( state == StateInit && (eName == "vymmap")  ) 
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	{
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        state = StateMap;
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		if (!atts.value( "version").isEmpty() ) 
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		{
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			mc->setVersion(atts.value( "version" ));
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			if (!mc->checkVersion())
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				QMessageBox::warning( 0, "Warning: Version Problem" ,
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				   "<h3>Map is newer than VYM</h3>"
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				   "<p>The map you are just trying to load was "
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				   "saved using vym " +atts.value("version")+". "
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				   "The version of this vym is " __VYM_VERSION__
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				   ". If you run into problems after pressing "
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				   "the ok-button below, updating vym should help.");
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		}
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		if (loadMode==NewMap)
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		{
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			if (!atts.value( "author").isEmpty() )
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			{
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				mc->setAuthor(atts.value( "author" ) );
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			}
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			if (!atts.value( "comment").isEmpty() )
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			{
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				mc->setComment (atts.value( "comment" ) );
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			}
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			if (!atts.value( "backgroundColor").isEmpty() )
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			{
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				col.setNamedColor(atts.value("backgroundColor"));
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				mc->getCanvas()->setBackgroundColor(col);
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			}	    
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			if (!atts.value( "linkColorHint").isEmpty() ) 
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			{
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				if (atts.value("linkColorHint")=="HeadingColor")
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					me->setLinkColorHint(HeadingColor);
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				else
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					me->setLinkColorHint(DefaultColor);
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			}
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			if (!atts.value( "linkStyle").isEmpty() ) 
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			{
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				QString s=atts.value("linkStyle");
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				if (s=="StyleLine")
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					me->setLinkStyle(StyleLine);
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				else	
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					if (s=="StyleParabel")
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						me->setLinkStyle(StyleParabel);
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					else	
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						if (s=="StylePolyLine")
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							me->setLinkStyle(StylePolyLine);
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						else	
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							me->setLinkStyle(StylePolyParabel);
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			}	
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			if (!atts.value( "linkColor").isEmpty() ) 
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			{
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				col.setNamedColor(atts.value("linkColor"));
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				me->setLinkColor(col);
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			}	
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			if (!atts.value( "defXLinkColor").isEmpty() ) 
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			{
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				col.setNamedColor(atts.value("defXLinkColor"));
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				me->setDefXLinkColor(col);
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			}	
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			if (!atts.value( "defXLinkWidth").isEmpty() ) 
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			{
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				me->setDefXLinkWidth(atts.value("defXLinkWidth").toInt ());
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			}	
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		}	
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	} else if ( eName == "select" && state == StateMap ) 
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	{
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		state=StateMapSelect;
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	} else if ( eName == "setting" && state == StateMap ) 
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	{
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		state=StateMapSetting;
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		if (loadMode==NewMap)
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			readSettingAttr (atts);
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	} else if ( eName == "mapcenter" && state == StateMap ) 
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	{
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		state=StateMapCenter;
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		if (loadMode==NewMap)
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		{	
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			// Really use the found mapcenter as MCO in a new map
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			lastBranch=mc;	// avoid empty pointer
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		} else
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		{
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			// Treat the found mapcenter as a branch 
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			// in an existing map
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			LinkableMapObj* lmo=me->getSelection();
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			if (lmo && (typeid(*lmo) == typeid(BranchObj) ) 
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			        || (typeid(*lmo) == typeid(MapCenterObj) ) )
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			{
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				lastBranch=(BranchObj*)(lmo);
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				if (loadMode==ImportAdd)
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				{
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					lastBranch->addBranch();
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					lastBranch=lastBranch->getLastBranch();
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				} else
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					lastBranch->clear();
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			} else
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				return false;
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		}
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		readBranchAttr (atts);
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	} else if ( (eName == "standardflag" ||eName == "standardFlag") && state == StateMapCenter) 
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	{
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		state=StateMapCenterStandardFlag;
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	} else if ( eName == "heading" && state == StateMapCenter) 
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	{
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		state=StateMapCenterHeading;
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		if (!atts.value( "textColor").isEmpty() ) 
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		{
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			col.setNamedColor(atts.value("textColor"));
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			lastBranch->setColor(col ,false );
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		}	    
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	} else if ( eName == "note" && state == StateMapCenter) 
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	{	// only for backward compatibility (<1.4.6). Use htmlnote now.
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		state=StateMapCenterNote;
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		if (!readNoteAttr (atts) ) return false;
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	} else if ( eName == "htmlnote" && state == StateMapCenter) 
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	{
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		laststate=state;
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		state=StateHtmlNote;
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    } else if ( eName == "floatimage" && state == StateMapCenter ) 
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	{
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		state=StateMapCenterFloatImage;
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        lastBranch->addFloatImage();
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		lastFloat=lastBranch->getLastFloatImage();
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		if (!readFloatImageAttr(atts)) return false;
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	} else if ( eName == "branch" && state == StateMap) 
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	{
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		// This is used in vymparts, which have no mapcenter!
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		isVymPart=true;
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		state=StateBranch;
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		LinkableMapObj* lmo=me->getSelection();
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		if (!lmo)
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		{
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			// If a vym part is _loaded_ (not imported), 
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			// selection==lmo==NULL
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			// Treat it like ImportAdd then...
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			loadMode=ImportAdd;
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			lmo=mc;
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		}	
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		if (lmo && (typeid(*lmo) == typeid(BranchObj) ) 
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				|| (typeid(*lmo) == typeid(MapCenterObj) ) )
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		{
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			lastBranch=(BranchObj*)(lmo);
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			if (loadMode==ImportAdd)
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			{
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				lastBranch->addBranch();
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				lastBranch=lastBranch->getLastBranch();
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			} else
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				lastBranch->clear();
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		} else
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			return false;
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		branchDepth=1;
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		readBranchAttr (atts);
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	} else if ( eName == "branch" && state == StateMapCenter) 
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	{
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		state=StateBranch;
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		branchDepth=1;
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		lastBranch->addBranch();
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		lastBranch=lastBranch->getLastBranch();
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		readBranchAttr (atts);
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	} else if ( (eName=="standardflag" ||eName == "standardFlag") && state == StateBranch) 
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	{
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		state=StateBranchStandardFlag;
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	} else if ( eName == "heading" && state == StateBranch) 
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	{
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		state=StateBranchHeading;
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		if (!atts.value( "textColor").isEmpty() ) 
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		{
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			col.setNamedColor(atts.value("textColor"));
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			lastBranch->setColor(col ,false );
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		}	    
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    } else if ( eName == "note" && state == StateBranch) 
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	{
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        state=StateBranchNote;
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		if (!readNoteAttr (atts) ) return false;
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	} else if ( eName == "htmlnote" && state == StateBranch) 
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	{
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		laststate=state;
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		state=StateHtmlNote;
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		no.clear();
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		if (!atts.value( "fonthint").isEmpty() ) 
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			no.setFontHint(atts.value ("fonthint") );
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    } else if ( eName == "floatimage" && state == StateBranch ) 
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	{
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		state=StateBranchFloatImage;
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        lastBranch->addFloatImage();
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		lastFloat=lastBranch->getLastFloatImage();
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		if (!readFloatImageAttr(atts)) return false;
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    } else if ( eName == "xlink" && state == StateBranch ) 
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	{
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		state=StateBranchXLink;
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		if (!readXLinkAttr (atts)) return false;
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    } else if ( eName == "branch" && state == StateBranch ) 
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	{
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        lastBranch->addBranch();
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		lastBranch=lastBranch->getLastBranch();		
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        branchDepth++;
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		readBranchAttr (atts);
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    } else if ( eName == "html" && state == StateHtmlNote ) 
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	{
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		state=StateHtml;
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		htmldata="<"+eName;
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		readHtmlAttr(atts);
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		htmldata+=">";
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    } else if ( state == StateHtml ) 
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	{
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		// accept all while in html mode,
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		htmldata+="<"+eName;
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		readHtmlAttr(atts);
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		htmldata+=">";
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    } else
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        return false;   // Error
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    return true;
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}
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bool mapBuilderHandler::endElement  ( const QString&, const QString&, const QString &eName)
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{
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//	cout << "endElement </"<<eName<<">  state="<<state <<"  laststate="<<laststate<<endl;
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    switch ( state ) 
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	{
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        case StateMapSelect: state=StateMap;  return true;
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        case StateMapSetting: state=StateMap;  return true;
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        case StateMapCenter: state=StateMap;  return true;
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        case StateMapCenterStandardFlag: state=StateMapCenter;  return true;
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        case StateMapCenterHeading: state=StateMapCenter;  return true;
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        case StateMapCenterNote: state=StateMapCenter;  return true;
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        case StateMapCenterFloatImage: state=StateMapCenter;  return true;
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        case StateBranch: 
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            if (branchDepth>1) 
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			{
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                branchDepth--;
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                state=StateBranch;
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            } else  
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			{
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                branchDepth=0;
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				if (isVymPart)
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					state=StateMap;
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				else
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					state=StateMapCenter;
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            }   
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			lastBranch=(BranchObj*)(lastBranch->getParObj());
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             return true;
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        case StateBranchStandardFlag: state=StateBranch;  return true;
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        case StateBranchHeading: state=StateBranch;  return true;
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        case StateBranchNote: state=StateBranch; return true;
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        case StateBranchFloatImage: state=StateBranch;  return true;
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        case StateBranchXLink: state=StateBranch;  return true;
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        case StateHtmlNote: state=laststate; return true;
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        case StateHtml: 
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			htmldata+="</"+eName+">";
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			if (eName=="html")
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			{
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				state=StateHtmlNote;  
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				htmldata.replace ("<br></br>","<br />");
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				no.setNote (htmldata);
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				lastBranch->setNote (no);
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				return true;
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			}	else
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			{
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				return true;
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			}	
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        case StateMap: state=StateInit;  return true;
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        default : 
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			// even for HTML includes, this should never be reached
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			return false;
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    }   
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}
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bool mapBuilderHandler::characters   ( const QString& ch)
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{
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	//cout << "characters \""<<ch<<"\"  state="<<state <<"  laststate="<<laststate<<endl;
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	QString ch_org=quotemeta (ch);
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    QString ch_simplified=ch.simplifyWhiteSpace();
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    if ( ch_simplified.isEmpty() ) return true;
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    switch ( state ) 
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    {
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        case StateInit: break;
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        case StateMap: break; 
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		case StateMapSelect:
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			me->select(ch_simplified);
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			break;
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		case StateMapSetting:break;
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        case StateMapCenter: break;
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        case StateMapCenterStandardFlag: 
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            lastBranch->activateStandardFlag(ch_simplified); 
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            break;
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        case StateMapCenterHeading: 
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            lastBranch->setHeading(ch_simplified); 
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            break;
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        case StateMapCenterNote:
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			lastBranch->setNote(ch_simplified);
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			break;
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        case StateBranch: break;
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        case StateBranchStandardFlag: 
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            lastBranch->activateStandardFlag(ch_simplified); 
insilmaril@0
   350
            break;
insilmaril@0
   351
        case StateBranchHeading: 
insilmaril@0
   352
            lastBranch->setHeading(ch_simplified);
insilmaril@0
   353
            break;
insilmaril@0
   354
        case StateBranchNote: 
insilmaril@0
   355
			lastBranch->setNote(ch_simplified);
insilmaril@0
   356
			break;
insilmaril@0
   357
        case StateBranchFloatImage: break;
insilmaril@0
   358
        case StateHtmlNote: break;
insilmaril@0
   359
        case StateHtml:
insilmaril@0
   360
			htmldata+=ch_org;
insilmaril@0
   361
			break;
insilmaril@0
   362
        default: 
insilmaril@0
   363
			return false;
insilmaril@0
   364
    }
insilmaril@0
   365
    return true;
insilmaril@0
   366
}
insilmaril@0
   367
insilmaril@0
   368
QString mapBuilderHandler::errorString() 
insilmaril@0
   369
{
insilmaril@0
   370
    return "the document is not in the VYM file format";
insilmaril@0
   371
}
insilmaril@0
   372
insilmaril@0
   373
bool mapBuilderHandler::fatalError( const QXmlParseException& exception ) 
insilmaril@0
   374
{
insilmaril@0
   375
    errorProt += QString( "fatal parsing error: %1 in line %2, column %3\n")
insilmaril@0
   376
    .arg( exception.message() )
insilmaril@0
   377
    .arg( exception.lineNumber() )
insilmaril@0
   378
    .arg( exception.columnNumber() );
insilmaril@0
   379
insilmaril@0
   380
    return QXmlDefaultHandler::fatalError( exception );
insilmaril@0
   381
}
insilmaril@0
   382
insilmaril@0
   383
void mapBuilderHandler::setMapEditor (MapEditor* e)
insilmaril@0
   384
{
insilmaril@0
   385
    me=e;
insilmaril@0
   386
	mc=me->getMapCenter();
insilmaril@0
   387
}
insilmaril@0
   388
insilmaril@0
   389
void mapBuilderHandler::setTmpDir (QString tp)
insilmaril@0
   390
{
insilmaril@0
   391
	tmpDir=tp;
insilmaril@0
   392
}
insilmaril@0
   393
insilmaril@0
   394
void mapBuilderHandler::setLoadMode (const LoadMode &lm)
insilmaril@0
   395
{
insilmaril@0
   396
	loadMode=lm;
insilmaril@0
   397
}
insilmaril@0
   398
insilmaril@0
   399
bool mapBuilderHandler::readBranchAttr (const QXmlAttributes& a)
insilmaril@0
   400
{
insilmaril@0
   401
	bool okx,oky;
insilmaril@0
   402
	int x,y;
insilmaril@0
   403
	if (!a.value( "absPosX").isEmpty() && loadMode==NewMap && branchDepth<2) 
insilmaril@0
   404
	{
insilmaril@0
   405
		if (!a.value( "absPosY").isEmpty() ) 
insilmaril@0
   406
		{
insilmaril@0
   407
			x=a.value("absPosX").toInt (&okx, 10);
insilmaril@0
   408
			y=a.value("absPosY").toInt (&oky, 10);
insilmaril@0
   409
			if (okx && oky) 
insilmaril@0
   410
				lastBranch->move(x,y);
insilmaril@0
   411
			else
insilmaril@0
   412
				return false;   // Couldn't read absPos
insilmaril@0
   413
		}           
insilmaril@0
   414
	}           
insilmaril@0
   415
	if (!a.value( "scrolled").isEmpty() )
insilmaril@0
   416
		lastBranch->toggleScroll();
insilmaril@0
   417
	if (!a.value( "url").isEmpty() ) 
insilmaril@0
   418
		lastBranch->setURL (a.value ("url"));
insilmaril@0
   419
	if (!a.value( "vymLink").isEmpty() ) 
insilmaril@0
   420
		lastBranch->setVymLink (a.value ("vymLink"));
insilmaril@0
   421
	if (!a.value( "frameType").isEmpty() ) 
insilmaril@0
   422
		lastBranch->setFrameType (a.value("frameType"));
insilmaril@0
   423
	return true;	
insilmaril@0
   424
}
insilmaril@0
   425
insilmaril@0
   426
bool mapBuilderHandler::readNoteAttr (const QXmlAttributes& a)
insilmaril@0
   427
{	// only for backward compatibility (<1.4.6). Use htmlnote now.
insilmaril@0
   428
	no.clear();
insilmaril@0
   429
	QString fn;
insilmaril@0
   430
	if (!a.value( "href").isEmpty() ) 
insilmaril@0
   431
	{
insilmaril@0
   432
		// Load note
insilmaril@0
   433
		fn=parseHREF(a.value ("href") );
insilmaril@0
   434
		QFile file (fn);
insilmaril@0
   435
		QString s;						// Reading a note
insilmaril@0
   436
insilmaril@0
   437
		if ( !file.open( IO_ReadOnly) )
insilmaril@0
   438
		{
insilmaril@0
   439
			qWarning ("mapBuilderHandler::readNoteAttr:  Couldn't load "+fn);
insilmaril@0
   440
			return false;
insilmaril@0
   441
		}	
insilmaril@0
   442
		QTextStream stream( &file );
insilmaril@0
   443
		QString lines;
insilmaril@0
   444
		while ( !stream.eof() ) {
insilmaril@0
   445
			lines += stream.readLine()+"\n"; 
insilmaril@0
   446
		}
insilmaril@0
   447
		file.close();
insilmaril@0
   448
		// Convert to richtext
insilmaril@0
   449
		if ( !QStyleSheet::mightBeRichText( lines ) )
insilmaril@0
   450
		{
insilmaril@0
   451
			// Here we are workarounding the QT conversion method:
insilmaril@0
   452
			// convertFromPlainText does not generate valid xml, needed
insilmaril@0
   453
			// for the parser, but just <p> and <br> without closing tags.
insilmaril@0
   454
			// So we have to add those by ourselves
insilmaril@0
   455
			//lines=quotemeta (lines);
insilmaril@0
   456
			lines = QStyleSheet::convertFromPlainText( lines, QStyleSheetItem::WhiteSpaceNormal );
insilmaril@0
   457
			lines.replace ("<br>","<br />");
insilmaril@0
   458
		}	
insilmaril@0
   459
insilmaril@0
   460
		lines ="<html><head><meta name=\"qrichtext\" content=\"1\" /></head><body>"+lines + "</p></body></html>";
insilmaril@0
   461
		no.setNote (lines);
insilmaril@0
   462
	}		
insilmaril@0
   463
	if (!a.value( "fonthint").isEmpty() ) 
insilmaril@0
   464
		no.setFontHint(a.value ("fonthint") );
insilmaril@0
   465
	if (state == StateMapCenterNote) 	
insilmaril@0
   466
		mc->setNote(no);
insilmaril@0
   467
	else
insilmaril@0
   468
		lastBranch->setNote(no);
insilmaril@0
   469
	return true;
insilmaril@0
   470
}
insilmaril@0
   471
insilmaril@0
   472
bool mapBuilderHandler::readFloatImageAttr (const QXmlAttributes& a)
insilmaril@0
   473
{
insilmaril@0
   474
	if (!a.value( "useOrientation").isEmpty() ) 
insilmaril@0
   475
	{
insilmaril@0
   476
		if (a.value ("useOrientation") =="true")
insilmaril@0
   477
			lastFloat->setUseOrientation (true);
insilmaril@0
   478
		else	
insilmaril@0
   479
			lastFloat->setUseOrientation (false);
insilmaril@0
   480
	}	
insilmaril@0
   481
	if (!a.value( "href").isEmpty() )
insilmaril@0
   482
	{
insilmaril@0
   483
		// Load FloatImage
insilmaril@0
   484
		if (!lastFloat->load (parseHREF(a.value ("href") ) ))
insilmaril@0
   485
		{
insilmaril@0
   486
			QMessageBox::warning( 0, "Warning: " ,
insilmaril@0
   487
				"Couldn't load float image\n"+parseHREF(a.value ("href") ));
insilmaril@0
   488
			lastBranch->removeFloatImage(((FloatImageObj*)(lastFloat)));
insilmaril@0
   489
			lastFloat=NULL;
insilmaril@0
   490
			return true;
insilmaril@0
   491
		}
insilmaril@0
   492
		
insilmaril@0
   493
	}	
insilmaril@0
   494
	if (!a.value( "floatExport").isEmpty() ) 
insilmaril@0
   495
	{
insilmaril@0
   496
		if (a.value ("floatExpofrt") =="true")
insilmaril@0
   497
			lastFloat->setFloatExport (true);
insilmaril@0
   498
		else	
insilmaril@0
   499
			lastFloat->setFloatExport (false);
insilmaril@0
   500
	}	
insilmaril@0
   501
	if (!a.value( "zPlane").isEmpty() ) 
insilmaril@0
   502
		lastFloat->setZ (a.value("zPlane").toInt ());
insilmaril@0
   503
    int x,y;
insilmaril@0
   504
    bool okx,oky;
insilmaril@0
   505
	if (!a.value( "relPosX").isEmpty() ) 
insilmaril@0
   506
	{
insilmaril@0
   507
		if (!a.value( "relPosY").isEmpty() ) 
insilmaril@0
   508
		{
insilmaril@0
   509
			// read relPos
insilmaril@0
   510
			x=a.value("relPosX").toInt (&okx, 10);
insilmaril@0
   511
			y=a.value("relPosY").toInt (&oky, 10);
insilmaril@0
   512
			if (okx && oky) 
insilmaril@0
   513
				lastFloat->setRelPos (QPoint (x,y) );
insilmaril@0
   514
			else
insilmaril@0
   515
				// Couldn't read relPos
insilmaril@0
   516
				return false;  
insilmaril@0
   517
		}           
insilmaril@0
   518
	}	
insilmaril@0
   519
	return true;
insilmaril@0
   520
}
insilmaril@0
   521
insilmaril@95
   522
bool mapBuilderHandler::readXLinkAttr (const QXmlAttributes& a)
insilmaril@95
   523
{
insilmaril@95
   524
	QColor col;
insilmaril@97
   525
	bool okx;
insilmaril@103
   526
	bool success=false;
insilmaril@95
   527
	XLinkObj *xlo=new XLinkObj (mc->getCanvas());
insilmaril@97
   528
	if (!a.value( "color").isEmpty() ) 
insilmaril@95
   529
	{
insilmaril@97
   530
		col.setNamedColor(a.value("color"));
insilmaril@95
   531
		xlo->setColor (col);
insilmaril@95
   532
	}
insilmaril@95
   533
insilmaril@97
   534
	if (!a.value( "width").isEmpty() ) 
insilmaril@97
   535
	{
insilmaril@97
   536
		xlo->setWidth(a.value ("width").toInt (&okx, 10));
insilmaril@97
   537
	}
insilmaril@97
   538
insilmaril@95
   539
	if (!a.value( "beginBranch").isEmpty() ) 
insilmaril@95
   540
	{
insilmaril@95
   541
		if (!a.value( "endBranch").isEmpty() ) 
insilmaril@95
   542
		{
insilmaril@106
   543
			LinkableMapObj *lmo=mc->findObjBySelect (a.value( "beginBranch"));
insilmaril@95
   544
			if (lmo && typeid (*lmo)==typeid (BranchObj))
insilmaril@95
   545
			{
insilmaril@95
   546
				xlo->setBegin ((BranchObj*)(lmo));
insilmaril@106
   547
				lmo=mc->findObjBySelect (a.value( "endBranch"));
insilmaril@95
   548
				if (lmo && typeid (*lmo)==typeid (BranchObj))
insilmaril@95
   549
				{
insilmaril@95
   550
					xlo->setEnd ((BranchObj*)(lmo));
insilmaril@95
   551
					xlo->activate();
insilmaril@95
   552
				}
insilmaril@95
   553
			}
insilmaril@103
   554
			success=true; // Not all branches there yet, no error
insilmaril@95
   555
		}           
insilmaril@95
   556
	}	
insilmaril@104
   557
	if (!success) delete (xlo);
insilmaril@103
   558
	return success;
insilmaril@95
   559
}
insilmaril@95
   560
insilmaril@0
   561
bool mapBuilderHandler::readHtmlAttr (const QXmlAttributes& a)
insilmaril@0
   562
{
insilmaril@0
   563
	for (int i=1; i<=a.count(); i++)
insilmaril@0
   564
		htmldata+=" "+a.localName(i-1)+"=\""+a.value(i-1)+"\"";
insilmaril@0
   565
	return true;
insilmaril@0
   566
}
insilmaril@0
   567
insilmaril@0
   568
bool mapBuilderHandler::readSettingAttr (const QXmlAttributes& a)
insilmaril@0
   569
{
insilmaril@0
   570
	if (!a.value( "key").isEmpty() ) 
insilmaril@0
   571
	{
insilmaril@0
   572
		if (!a.value( "value").isEmpty() ) 
insilmaril@0
   573
			settings.setLocalEntry (me->getDestPath(), a.value ("key"), a.value ("value"));
insilmaril@0
   574
		else
insilmaril@0
   575
			return false;
insilmaril@0
   576
		
insilmaril@0
   577
	} else
insilmaril@0
   578
		return false;
insilmaril@0
   579
	
insilmaril@0
   580
	return true;
insilmaril@0
   581
}