xml.cpp
author insilmaril
Sun, 30 Jan 2005 12:58:47 +0000
branchvendor
changeset 1 9eb7767c2dfa
parent 0 7a96bd401351
child 2 608f976aa7bb
child 83 e90f5bef70c8
permissions -rw-r--r--
Initial import.
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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 "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<<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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		}	
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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 && (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 == "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 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); 
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            break;
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        case StateBranchHeading: 
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            lastBranch->setHeading(ch_simplified);
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            break;
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        case StateBranchNote: 
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			lastBranch->setNote(ch_simplified);
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			break;
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        case StateBranchFloatImage: break;
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        case StateHtmlNote: break;
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        case StateHtml:
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			htmldata+=ch_org;
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			break;
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        default: 
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			return false;
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    }
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    return true;
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}
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QString mapBuilderHandler::errorString() 
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{
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    return "the document is not in the VYM file format";
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}
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bool mapBuilderHandler::fatalError( const QXmlParseException& exception ) 
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{
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    errorProt += QString( "fatal parsing error: %1 in line %2, column %3\n")
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    .arg( exception.message() )
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    .arg( exception.lineNumber() )
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   355
    .arg( exception.columnNumber() );
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   356
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   357
    return QXmlDefaultHandler::fatalError( exception );
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   358
}
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   359
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   360
void mapBuilderHandler::setMapEditor (MapEditor* e)
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   361
{
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   362
    me=e;
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   363
	mc=me->getMapCenter();
insilmaril@0
   364
}
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   365
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   366
void mapBuilderHandler::setTmpDir (QString tp)
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   367
{
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   368
	tmpDir=tp;
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   369
}
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   370
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   371
void mapBuilderHandler::setLoadMode (const LoadMode &lm)
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   372
{
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   373
	loadMode=lm;
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   374
}
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   375
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   376
bool mapBuilderHandler::readBranchAttr (const QXmlAttributes& a)
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   377
{
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   378
	bool okx,oky;
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   379
	int x,y;
insilmaril@0
   380
	if (!a.value( "absPosX").isEmpty() && loadMode==NewMap && branchDepth<2) 
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   381
	{
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   382
		if (!a.value( "absPosY").isEmpty() ) 
insilmaril@0
   383
		{
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   384
			x=a.value("absPosX").toInt (&okx, 10);
insilmaril@0
   385
			y=a.value("absPosY").toInt (&oky, 10);
insilmaril@0
   386
			if (okx && oky) 
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   387
				lastBranch->move(x,y);
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   388
			else
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   389
				return false;   // Couldn't read absPos
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   390
		}           
insilmaril@0
   391
	}           
insilmaril@0
   392
	if (!a.value( "scrolled").isEmpty() )
insilmaril@0
   393
		lastBranch->toggleScroll();
insilmaril@0
   394
	if (!a.value( "url").isEmpty() ) 
insilmaril@0
   395
		lastBranch->setURL (a.value ("url"));
insilmaril@0
   396
	if (!a.value( "vymLink").isEmpty() ) 
insilmaril@0
   397
		lastBranch->setVymLink (a.value ("vymLink"));
insilmaril@0
   398
	if (!a.value( "frameType").isEmpty() ) 
insilmaril@0
   399
		lastBranch->setFrameType (a.value("frameType"));
insilmaril@0
   400
	return true;	
insilmaril@0
   401
}
insilmaril@0
   402
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   403
bool mapBuilderHandler::readNoteAttr (const QXmlAttributes& a)
insilmaril@0
   404
{	// only for backward compatibility (<1.4.6). Use htmlnote now.
insilmaril@0
   405
	no.clear();
insilmaril@0
   406
	QString fn;
insilmaril@0
   407
	if (!a.value( "href").isEmpty() ) 
insilmaril@0
   408
	{
insilmaril@0
   409
		// Load note
insilmaril@0
   410
		fn=parseHREF(a.value ("href") );
insilmaril@0
   411
		QFile file (fn);
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   412
		QString s;						// Reading a note
insilmaril@0
   413
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   414
		if ( !file.open( IO_ReadOnly) )
insilmaril@0
   415
		{
insilmaril@0
   416
			qWarning ("mapBuilderHandler::readNoteAttr:  Couldn't load "+fn);
insilmaril@0
   417
			return false;
insilmaril@0
   418
		}	
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   419
		QTextStream stream( &file );
insilmaril@0
   420
		QString lines;
insilmaril@0
   421
		while ( !stream.eof() ) {
insilmaril@0
   422
			lines += stream.readLine()+"\n"; 
insilmaril@0
   423
		}
insilmaril@0
   424
		file.close();
insilmaril@0
   425
		// Convert to richtext
insilmaril@0
   426
		if ( !QStyleSheet::mightBeRichText( lines ) )
insilmaril@0
   427
		{
insilmaril@0
   428
			// Here we are workarounding the QT conversion method:
insilmaril@0
   429
			// convertFromPlainText does not generate valid xml, needed
insilmaril@0
   430
			// for the parser, but just <p> and <br> without closing tags.
insilmaril@0
   431
			// So we have to add those by ourselves
insilmaril@0
   432
			//lines=quotemeta (lines);
insilmaril@0
   433
			lines = QStyleSheet::convertFromPlainText( lines, QStyleSheetItem::WhiteSpaceNormal );
insilmaril@0
   434
			lines.replace ("<br>","<br />");
insilmaril@0
   435
		}	
insilmaril@0
   436
insilmaril@0
   437
		lines ="<html><head><meta name=\"qrichtext\" content=\"1\" /></head><body>"+lines + "</p></body></html>";
insilmaril@0
   438
		no.setNote (lines);
insilmaril@0
   439
	}		
insilmaril@0
   440
	if (!a.value( "fonthint").isEmpty() ) 
insilmaril@0
   441
		no.setFontHint(a.value ("fonthint") );
insilmaril@0
   442
	if (state == StateMapCenterNote) 	
insilmaril@0
   443
		mc->setNote(no);
insilmaril@0
   444
	else
insilmaril@0
   445
		lastBranch->setNote(no);
insilmaril@0
   446
	return true;
insilmaril@0
   447
}
insilmaril@0
   448
insilmaril@0
   449
bool mapBuilderHandler::readFloatImageAttr (const QXmlAttributes& a)
insilmaril@0
   450
{
insilmaril@0
   451
	if (!a.value( "useOrientation").isEmpty() ) 
insilmaril@0
   452
	{
insilmaril@0
   453
		if (a.value ("useOrientation") =="true")
insilmaril@0
   454
			lastFloat->setUseOrientation (true);
insilmaril@0
   455
		else	
insilmaril@0
   456
			lastFloat->setUseOrientation (false);
insilmaril@0
   457
	}	
insilmaril@0
   458
	if (!a.value( "href").isEmpty() )
insilmaril@0
   459
	{
insilmaril@0
   460
		// Load FloatImage
insilmaril@0
   461
		if (!lastFloat->load (parseHREF(a.value ("href") ) ))
insilmaril@0
   462
		{
insilmaril@0
   463
			QMessageBox::warning( 0, "Warning: " ,
insilmaril@0
   464
				"Couldn't load float image\n"+parseHREF(a.value ("href") ));
insilmaril@0
   465
			lastBranch->removeFloatImage(((FloatImageObj*)(lastFloat)));
insilmaril@0
   466
			lastFloat=NULL;
insilmaril@0
   467
			return true;
insilmaril@0
   468
		}
insilmaril@0
   469
		
insilmaril@0
   470
	}	
insilmaril@0
   471
	if (!a.value( "floatExport").isEmpty() ) 
insilmaril@0
   472
	{
insilmaril@0
   473
		if (a.value ("floatExpofrt") =="true")
insilmaril@0
   474
			lastFloat->setFloatExport (true);
insilmaril@0
   475
		else	
insilmaril@0
   476
			lastFloat->setFloatExport (false);
insilmaril@0
   477
	}	
insilmaril@0
   478
	if (!a.value( "zPlane").isEmpty() ) 
insilmaril@0
   479
		lastFloat->setZ (a.value("zPlane").toInt ());
insilmaril@0
   480
    int x,y;
insilmaril@0
   481
    bool okx,oky;
insilmaril@0
   482
	if (!a.value( "relPosX").isEmpty() ) 
insilmaril@0
   483
	{
insilmaril@0
   484
		if (!a.value( "relPosY").isEmpty() ) 
insilmaril@0
   485
		{
insilmaril@0
   486
			// read relPos
insilmaril@0
   487
			x=a.value("relPosX").toInt (&okx, 10);
insilmaril@0
   488
			y=a.value("relPosY").toInt (&oky, 10);
insilmaril@0
   489
			if (okx && oky) 
insilmaril@0
   490
				lastFloat->setRelPos (QPoint (x,y) );
insilmaril@0
   491
			else
insilmaril@0
   492
				// Couldn't read relPos
insilmaril@0
   493
				return false;  
insilmaril@0
   494
		}           
insilmaril@0
   495
	}	
insilmaril@0
   496
	return true;
insilmaril@0
   497
}
insilmaril@0
   498
insilmaril@0
   499
bool mapBuilderHandler::readHtmlAttr (const QXmlAttributes& a)
insilmaril@0
   500
{
insilmaril@0
   501
	for (int i=1; i<=a.count(); i++)
insilmaril@0
   502
		htmldata+=" "+a.localName(i-1)+"=\""+a.value(i-1)+"\"";
insilmaril@0
   503
	return true;
insilmaril@0
   504
}
insilmaril@0
   505
insilmaril@0
   506
bool mapBuilderHandler::readSettingAttr (const QXmlAttributes& a)
insilmaril@0
   507
{
insilmaril@0
   508
	if (!a.value( "key").isEmpty() ) 
insilmaril@0
   509
	{
insilmaril@0
   510
		if (!a.value( "value").isEmpty() ) 
insilmaril@0
   511
			settings.setLocalEntry (me->getDestPath(), a.value ("key"), a.value ("value"));
insilmaril@0
   512
		else
insilmaril@0
   513
			return false;
insilmaril@0
   514
		
insilmaril@0
   515
	} else
insilmaril@0
   516
		return false;
insilmaril@0
   517
	
insilmaril@0
   518
	return true;
insilmaril@0
   519
}