diff -r 000000000000 -r cf274b28e5fe xml.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xml.cpp	Wed Jul 30 14:42:03 2008 +0000
@@ -0,0 +1,519 @@
+#include "xml.h"
+
+#include <qmessagebox.h>
+#include <qcolor.h>
+#include <qstylesheet.h>
+#include <iostream>
+
+#include "misc.h"
+#include "settings.h"
+
+#include "version.h"
+
+static BranchObj *lastBranch;
+static FloatObj *lastFloat;
+
+extern Settings settings;
+
+mapBuilderHandler::mapBuilderHandler() {}
+
+mapBuilderHandler::~mapBuilderHandler() {}
+
+QString mapBuilderHandler::errorProtocol() { return errorProt; }
+
+bool mapBuilderHandler::startDocument()
+{
+    errorProt = "";
+    state = StateInit;
+    laststate = StateInit;
+    branchDepth=0;
+	htmldata="";
+	isVymPart=false;
+    return true;
+}
+
+
+QString mapBuilderHandler::parseHREF(QString href)
+{
+	QString type=href.section(":",0,0);
+	QString path=href.section(":",1,1);
+	if (!tmpDir.endsWith("/"))
+		return tmpDir + "/" + path;
+	else	
+		return tmpDir + path;
+}
+
+bool mapBuilderHandler::startElement  ( const QString&, const QString&,
+                    const QString& eName, const QXmlAttributes& atts ) 
+{
+    QColor col;
+//	cout << "startElement <"<<eName<<">  state="<<state <<"  laststate="<<laststate<<endl;
+    if ( state == StateInit && (eName == "vymmap")  ) 
+	{
+        state = StateMap;
+		if (!atts.value( "version").isEmpty() ) 
+		{
+			mc->setVersion(atts.value( "version" ));
+			if (!mc->checkVersion())
+				QMessageBox::warning( 0, "Warning: Version Problem" ,
+				   "<h3>Map is newer than VYM</h3>"
+				   "<p>The map you are just trying to load was "
+				   "saved using vym " +atts.value("version")+". "
+				   "The version of this vym is " __VYM_VERSION__
+				   ". If you run into problems after pressing "
+				   "the ok-button below, updating vym should help.");
+
+		}
+		if (loadMode==NewMap)
+		{
+			if (!atts.value( "author").isEmpty() )
+			{
+				mc->setAuthor(atts.value( "author" ) );
+			}
+			if (!atts.value( "comment").isEmpty() )
+			{
+				mc->setComment (atts.value( "comment" ) );
+			}
+			if (!atts.value( "backgroundColor").isEmpty() )
+			{
+				col.setNamedColor(atts.value("backgroundColor"));
+				mc->getCanvas()->setBackgroundColor(col);
+			}	    
+			if (!atts.value( "linkColorHint").isEmpty() ) 
+			{
+				if (atts.value("linkColorHint")=="HeadingColor")
+					me->setLinkColorHint(HeadingColor);
+				else
+					me->setLinkColorHint(DefaultColor);
+			}
+			if (!atts.value( "linkStyle").isEmpty() ) 
+			{
+				QString s=atts.value("linkStyle");
+				if (s=="StyleLine")
+					me->setLinkStyle(StyleLine);
+				else	
+					if (s=="StyleParabel")
+						me->setLinkStyle(StyleParabel);
+					else	
+						if (s=="StylePolyLine")
+							me->setLinkStyle(StylePolyLine);
+						else	
+							me->setLinkStyle(StylePolyParabel);
+			}	
+			if (!atts.value( "linkColor").isEmpty() ) 
+			{
+				col.setNamedColor(atts.value("linkColor"));
+				me->setLinkColor(col);
+			}	
+		}	
+	} else if ( eName == "select" && state == StateMap ) 
+	{
+		state=StateMapSelect;
+	} else if ( eName == "setting" && state == StateMap ) 
+	{
+		state=StateMapSetting;
+		if (loadMode==NewMap)
+			readSettingAttr (atts);
+	} else if ( eName == "mapcenter" && state == StateMap ) 
+	{
+		state=StateMapCenter;
+		if (loadMode==NewMap)
+		{	
+			// Really use the found mapcenter as MCO in a new map
+			lastBranch=mc;	// avoid empty pointer
+		} else
+		{
+			// Treat the found mapcenter as a branch 
+			// in an existing map
+			LinkableMapObj* lmo=me->getSelection();
+			if (lmo && (typeid(*lmo) == typeid(BranchObj) ) 
+			        || (typeid(*lmo) == typeid(MapCenterObj) ) )
+			{
+				lastBranch=(BranchObj*)(lmo);
+				if (loadMode==ImportAdd)
+				{
+					lastBranch->addBranch();
+					lastBranch=lastBranch->getLastBranch();
+				} else
+					lastBranch->clear();
+			} else
+				return false;
+		}
+		readBranchAttr (atts);
+	} else if ( (eName == "standardflag" ||eName == "standardFlag") && state == StateMapCenter) 
+	{
+		state=StateMapCenterStandardFlag;
+	} else if ( eName == "heading" && state == StateMapCenter) 
+	{
+		state=StateMapCenterHeading;
+		if (!atts.value( "textColor").isEmpty() ) 
+		{
+			col.setNamedColor(atts.value("textColor"));
+			lastBranch->setColor(col ,false );
+		}	    
+	} else if ( eName == "note" && state == StateMapCenter) 
+	{	// only for backward compatibility (<1.4.6). Use htmlnote now.
+		state=StateMapCenterNote;
+		if (!readNoteAttr (atts) ) return false;
+	} else if ( eName == "htmlnote" && state == StateMapCenter) 
+	{
+		laststate=state;
+		state=StateHtmlNote;
+    } else if ( eName == "floatimage" && state == StateMapCenter ) 
+	{
+		state=StateMapCenterFloatImage;
+        lastBranch->addFloatImage();
+		lastFloat=lastBranch->getLastFloatImage();
+		if (!readFloatImageAttr(atts)) return false;
+	} else if ( eName == "branch" && state == StateMap) 
+	{
+		// This is used in vymparts, which have no mapcenter!
+		isVymPart=true;
+		state=StateBranch;
+		LinkableMapObj* lmo=me->getSelection();
+		if (lmo && (typeid(*lmo) == typeid(BranchObj) ) 
+				|| (typeid(*lmo) == typeid(MapCenterObj) ) )
+		{
+			lastBranch=(BranchObj*)(lmo);
+			if (loadMode==ImportAdd)
+			{
+				lastBranch->addBranch();
+				lastBranch=lastBranch->getLastBranch();
+			} else
+				lastBranch->clear();
+		} else
+			return false;
+		branchDepth=1;
+		readBranchAttr (atts);
+	} else if ( eName == "branch" && state == StateMapCenter) 
+	{
+		state=StateBranch;
+		branchDepth=1;
+		lastBranch->addBranch();
+		lastBranch=lastBranch->getLastBranch();
+		readBranchAttr (atts);
+	} else if ( (eName=="standardflag" ||eName == "standardFlag") && state == StateBranch) 
+	{
+		state=StateBranchStandardFlag;
+	} else if ( eName == "heading" && state == StateBranch) 
+	{
+		state=StateBranchHeading;
+		if (!atts.value( "textColor").isEmpty() ) 
+		{
+			col.setNamedColor(atts.value("textColor"));
+			lastBranch->setColor(col ,false );
+		}	    
+    } else if ( eName == "note" && state == StateBranch) 
+	{
+        state=StateBranchNote;
+		if (!readNoteAttr (atts) ) return false;
+	} else if ( eName == "htmlnote" && state == StateBranch) 
+	{
+		laststate=state;
+		state=StateHtmlNote;
+		no.clear();
+		if (!atts.value( "fonthint").isEmpty() ) 
+			no.setFontHint(atts.value ("fonthint") );
+    } else if ( eName == "floatimage" && state == StateBranch ) 
+	{
+		state=StateBranchFloatImage;
+        lastBranch->addFloatImage();
+		lastFloat=lastBranch->getLastFloatImage();
+		if (!readFloatImageAttr(atts)) return false;
+    } else if ( eName == "branch" && state == StateBranch ) 
+	{
+        lastBranch->addBranch();
+		lastBranch=lastBranch->getLastBranch();		
+        branchDepth++;
+		readBranchAttr (atts);
+    } else if ( eName == "html" && state == StateHtmlNote ) 
+	{
+		state=StateHtml;
+		htmldata="<"+eName;
+		readHtmlAttr(atts);
+		htmldata+=">";
+    } else if ( state == StateHtml ) 
+	{
+		// accept all while in html mode,
+		htmldata+="<"+eName;
+		readHtmlAttr(atts);
+		htmldata+=">";
+    } else
+        return false;   // Error
+    return true;
+}
+
+bool mapBuilderHandler::endElement  ( const QString&, const QString&, const QString &eName)
+{
+//	cout << "endElement </"<<eName<<">  state="<<state <<"  laststate="<<laststate<<endl;
+    switch ( state ) 
+	{
+        case StateMapSelect: state=StateMap;  return true;
+        case StateMapSetting: state=StateMap;  return true;
+        case StateMapCenter: state=StateMap;  return true;
+        case StateMapCenterStandardFlag: state=StateMapCenter;  return true;
+        case StateMapCenterHeading: state=StateMapCenter;  return true;
+        case StateMapCenterNote: state=StateMapCenter;  return true;
+        case StateMapCenterFloatImage: state=StateMapCenter;  return true;
+        case StateBranch: 
+            if (branchDepth>1) 
+			{
+                branchDepth--;
+                state=StateBranch;
+            } else  
+			{
+                branchDepth=0;
+				if (isVymPart)
+					state=StateMap;
+				else
+					state=StateMapCenter;
+            }   
+			lastBranch=(BranchObj*)(lastBranch->getParObj());
+             return true;
+        case StateBranchStandardFlag: state=StateBranch;  return true;
+        case StateBranchHeading: state=StateBranch;  return true;
+        case StateBranchNote: state=StateBranch; return true;
+        case StateBranchFloatImage: state=StateBranch;  return true;
+        case StateHtmlNote: state=laststate; return true;
+        case StateHtml: 
+			htmldata+="</"+eName+">";
+			if (eName=="html")
+			{
+				state=StateHtmlNote;  
+				htmldata.replace ("<br></br>","<br />");
+				no.setNote (htmldata);
+				lastBranch->setNote (no);
+				return true;
+			}	else
+			{
+				return true;
+			}	
+        case StateMap: state=StateInit;  return true;
+        default : 
+			// even for HTML includes, this should never be reached
+			return false;
+    }   
+}
+
+bool mapBuilderHandler::characters   ( const QString& ch)
+{
+	//cout << "characters \""<<ch<<"\"  state="<<state <<"  laststate="<<laststate<<endl;
+
+	QString ch_org=quotemeta (ch);
+    QString ch_simplified=ch.simplifyWhiteSpace();
+    if ( ch_simplified.isEmpty() ) return true;
+
+    switch ( state ) 
+    {
+        case StateInit: break;
+        case StateMap: break; 
+		case StateMapSelect:
+			me->select(ch_simplified);
+			break;
+		case StateMapSetting:break;
+        case StateMapCenter: break;
+        case StateMapCenterStandardFlag: 
+            lastBranch->activateStandardFlag(ch_simplified); 
+            break;
+        case StateMapCenterHeading: 
+            lastBranch->setHeading(ch_simplified); 
+            break;
+        case StateMapCenterNote:
+			lastBranch->setNote(ch_simplified);
+			break;
+        case StateBranch: break;
+        case StateBranchStandardFlag: 
+            lastBranch->activateStandardFlag(ch_simplified); 
+            break;
+        case StateBranchHeading: 
+            lastBranch->setHeading(ch_simplified);
+            break;
+        case StateBranchNote: 
+			lastBranch->setNote(ch_simplified);
+			break;
+        case StateBranchFloatImage: break;
+        case StateHtmlNote: break;
+        case StateHtml:
+			htmldata+=ch_org;
+			break;
+        default: 
+			return false;
+    }
+    return true;
+}
+
+QString mapBuilderHandler::errorString() 
+{
+    return "the document is not in the VYM file format";
+}
+
+bool mapBuilderHandler::fatalError( const QXmlParseException& exception ) 
+{
+    errorProt += QString( "fatal parsing error: %1 in line %2, column %3\n")
+    .arg( exception.message() )
+    .arg( exception.lineNumber() )
+    .arg( exception.columnNumber() );
+
+    return QXmlDefaultHandler::fatalError( exception );
+}
+
+void mapBuilderHandler::setMapEditor (MapEditor* e)
+{
+    me=e;
+	mc=me->getMapCenter();
+}
+
+void mapBuilderHandler::setTmpDir (QString tp)
+{
+	tmpDir=tp;
+}
+
+void mapBuilderHandler::setLoadMode (const LoadMode &lm)
+{
+	loadMode=lm;
+}
+
+bool mapBuilderHandler::readBranchAttr (const QXmlAttributes& a)
+{
+	bool okx,oky;
+	int x,y;
+	if (!a.value( "absPosX").isEmpty() && loadMode==NewMap && branchDepth<2) 
+	{
+		if (!a.value( "absPosY").isEmpty() ) 
+		{
+			x=a.value("absPosX").toInt (&okx, 10);
+			y=a.value("absPosY").toInt (&oky, 10);
+			if (okx && oky) 
+				lastBranch->move(x,y);
+			else
+				return false;   // Couldn't read absPos
+		}           
+	}           
+	if (!a.value( "scrolled").isEmpty() )
+		lastBranch->toggleScroll();
+	if (!a.value( "url").isEmpty() ) 
+		lastBranch->setURL (a.value ("url"));
+	if (!a.value( "vymLink").isEmpty() ) 
+		lastBranch->setVymLink (a.value ("vymLink"));
+	if (!a.value( "frameType").isEmpty() ) 
+		lastBranch->setFrameType (a.value("frameType"));
+	return true;	
+}
+
+bool mapBuilderHandler::readNoteAttr (const QXmlAttributes& a)
+{	// only for backward compatibility (<1.4.6). Use htmlnote now.
+	no.clear();
+	QString fn;
+	if (!a.value( "href").isEmpty() ) 
+	{
+		// Load note
+		fn=parseHREF(a.value ("href") );
+		QFile file (fn);
+		QString s;						// Reading a note
+
+		if ( !file.open( IO_ReadOnly) )
+		{
+			qWarning ("mapBuilderHandler::readNoteAttr:  Couldn't load "+fn);
+			return false;
+		}	
+		QTextStream stream( &file );
+		QString lines;
+		while ( !stream.eof() ) {
+			lines += stream.readLine()+"\n"; 
+		}
+		file.close();
+		// Convert to richtext
+		if ( !QStyleSheet::mightBeRichText( lines ) )
+		{
+			// Here we are workarounding the QT conversion method:
+			// convertFromPlainText does not generate valid xml, needed
+			// for the parser, but just <p> and <br> without closing tags.
+			// So we have to add those by ourselves
+			//lines=quotemeta (lines);
+			lines = QStyleSheet::convertFromPlainText( lines, QStyleSheetItem::WhiteSpaceNormal );
+			lines.replace ("<br>","<br />");
+		}	
+
+		lines ="<html><head><meta name=\"qrichtext\" content=\"1\" /></head><body>"+lines + "</p></body></html>";
+		no.setNote (lines);
+	}		
+	if (!a.value( "fonthint").isEmpty() ) 
+		no.setFontHint(a.value ("fonthint") );
+	if (state == StateMapCenterNote) 	
+		mc->setNote(no);
+	else
+		lastBranch->setNote(no);
+	return true;
+}
+
+bool mapBuilderHandler::readFloatImageAttr (const QXmlAttributes& a)
+{
+	if (!a.value( "useOrientation").isEmpty() ) 
+	{
+		if (a.value ("useOrientation") =="true")
+			lastFloat->setUseOrientation (true);
+		else	
+			lastFloat->setUseOrientation (false);
+	}	
+	if (!a.value( "href").isEmpty() )
+	{
+		// Load FloatImage
+		if (!lastFloat->load (parseHREF(a.value ("href") ) ))
+		{
+			QMessageBox::warning( 0, "Warning: " ,
+				"Couldn't load float image\n"+parseHREF(a.value ("href") ));
+			lastBranch->removeFloatImage(((FloatImageObj*)(lastFloat)));
+			lastFloat=NULL;
+			return true;
+		}
+		
+	}	
+	if (!a.value( "floatExport").isEmpty() ) 
+	{
+		if (a.value ("floatExpofrt") =="true")
+			lastFloat->setFloatExport (true);
+		else	
+			lastFloat->setFloatExport (false);
+	}	
+	if (!a.value( "zPlane").isEmpty() ) 
+		lastFloat->setZ (a.value("zPlane").toInt ());
+    int x,y;
+    bool okx,oky;
+	if (!a.value( "relPosX").isEmpty() ) 
+	{
+		if (!a.value( "relPosY").isEmpty() ) 
+		{
+			// read relPos
+			x=a.value("relPosX").toInt (&okx, 10);
+			y=a.value("relPosY").toInt (&oky, 10);
+			if (okx && oky) 
+				lastFloat->setRelPos (QPoint (x,y) );
+			else
+				// Couldn't read relPos
+				return false;  
+		}           
+	}	
+	return true;
+}
+
+bool mapBuilderHandler::readHtmlAttr (const QXmlAttributes& a)
+{
+	for (int i=1; i<=a.count(); i++)
+		htmldata+=" "+a.localName(i-1)+"=\""+a.value(i-1)+"\"";
+	return true;
+}
+
+bool mapBuilderHandler::readSettingAttr (const QXmlAttributes& a)
+{
+	if (!a.value( "key").isEmpty() ) 
+	{
+		if (!a.value( "value").isEmpty() ) 
+			settings.setLocalEntry (me->getDestPath(), a.value ("key"), a.value ("value"));
+		else
+			return false;
+		
+	} else
+		return false;
+	
+	return true;
+}