From 3c10b3da9feaf945c68f4c698bf0e341b0e8e557 Mon Sep 17 00:00:00 2001
From: patdenice <patdenice@piwigo.org>
Date: Wed, 17 Mar 2010 15:27:14 +0000
Subject: [LocalFiles Editor] Update editarea to 0.8.2. Remove CSS tab. Fix
 jQuery path.

git-svn-id: http://piwigo.org/svn/trunk@5160 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 plugins/LocalFilesEditor/editarea/manage_area.js | 623 +++++++++++++++++++++++
 1 file changed, 623 insertions(+)
 create mode 100644 plugins/LocalFilesEditor/editarea/manage_area.js

(limited to 'plugins/LocalFilesEditor/editarea/manage_area.js')

diff --git a/plugins/LocalFilesEditor/editarea/manage_area.js b/plugins/LocalFilesEditor/editarea/manage_area.js
new file mode 100644
index 000000000..e10c5e941
--- /dev/null
+++ b/plugins/LocalFilesEditor/editarea/manage_area.js
@@ -0,0 +1,623 @@
+	EditArea.prototype.focus = function() {
+		this.textarea.focus();
+		this.textareaFocused=true;
+	};
+
+
+	EditArea.prototype.check_line_selection= function(timer_checkup){
+		var changes, infos, new_top, new_width,i;
+		
+		var t1=t2=t2_1=t3=tLines=tend= new Date().getTime();
+		// l'editeur n'existe plus => on quitte
+		if(!editAreas[this.id])
+			return false;
+		
+		if(!this.smooth_selection && !this.do_highlight)
+		{
+			//do nothing
+		}
+		else if(this.textareaFocused && editAreas[this.id]["displayed"]==true && this.isResizing==false)
+		{
+			infos	= this.get_selection_infos();
+			changes	= this.checkTextEvolution( typeof( this.last_selection['full_text'] ) == 'undefined' ? '' : this.last_selection['full_text'], infos['full_text'] );
+		
+			t2= new Date().getTime();
+			
+			// if selection change
+			if(this.last_selection["line_start"] != infos["line_start"] || this.last_selection["line_nb"] != infos["line_nb"] || infos["full_text"] != this.last_selection["full_text"] || this.reload_highlight || this.last_selection["selectionStart"] != infos["selectionStart"] || this.last_selection["selectionEnd"] != infos["selectionEnd"] || !timer_checkup )
+			{
+				// move and adjust text selection elements
+				new_top		= this.getLinePosTop( infos["line_start"] );
+				new_width	= Math.max(this.textarea.scrollWidth, this.container.clientWidth -50);
+				this.selection_field.style.top=this.selection_field_text.style.top=new_top+"px";
+				if(!this.settings['word_wrap']){	
+					this.selection_field.style.width=this.selection_field_text.style.width=this.test_font_size.style.width=new_width+"px";
+				}
+				
+				// usefull? => _$("cursor_pos").style.top=new_top+"px";	
+		
+				if(this.do_highlight==true)
+				{
+					// fill selection elements
+					var curr_text	= infos["full_text"].split("\n");
+					var content		= "";
+					//alert("length: "+curr_text.length+ " i: "+ Math.max(0,infos["line_start"]-1)+ " end: "+Math.min(curr_text.length, infos["line_start"]+infos["line_nb"]-1)+ " line: "+infos["line_start"]+" [0]: "+curr_text[0]+" [1]: "+curr_text[1]);
+					var start		= Math.max(0,infos["line_start"]-1);
+					var end			= Math.min(curr_text.length, infos["line_start"]+infos["line_nb"]-1);
+					
+					//curr_text[start]= curr_text[start].substr(0,infos["curr_pos"]-1) +"¤_overline_¤"+ curr_text[start].substr(infos["curr_pos"]-1);
+					for(i=start; i< end; i++){
+						content+= curr_text[i]+"\n";	
+					}
+					
+					// add special chars arround selected characters
+					selLength	= infos['selectionEnd'] - infos['selectionStart'];
+					content		= content.substr( 0, infos["curr_pos"] - 1 ) + "\r\r" + content.substr( infos["curr_pos"] - 1, selLength ) + "\r\r" + content.substr( infos["curr_pos"] - 1 + selLength );
+					content		= '<span>'+ content.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace("\r\r", '</span><strong>').replace("\r\r", '</strong><span>') +'</span>';
+					
+					if( this.isIE || ( this.isOpera && this.isOpera < 9.6 ) ) {
+						this.selection_field.innerHTML= "<pre>" + content.replace(/^\r?\n/, "<br>") + "</pre>";
+					} else {
+						this.selection_field.innerHTML= content;
+					}
+					this.selection_field_text.innerHTML = this.selection_field.innerHTML;
+					t2_1 = new Date().getTime();
+					// check if we need to update the highlighted background 
+					if(this.reload_highlight || (infos["full_text"] != this.last_text_to_highlight && (this.last_selection["line_start"]!=infos["line_start"] || this.show_line_colors || this.settings['word_wrap'] || this.last_selection["line_nb"]!=infos["line_nb"] || this.last_selection["nb_line"]!=infos["nb_line"]) ) )
+					{
+						this.maj_highlight(infos);
+					}
+				}		
+			}
+			t3= new Date().getTime();
+			
+			// manage line heights
+			if( this.settings['word_wrap'] && infos["full_text"] != this.last_selection["full_text"])
+			{
+				// refresh only 1 line if text change concern only one line and that the total line number has not changed
+				if( changes.newText.split("\n").length == 1 && this.last_selection['nb_line'] && infos['nb_line'] == this.last_selection['nb_line'] )
+				{
+					this.fixLinesHeight( infos['full_text'], changes.lineStart, changes.lineStart );
+				}
+				else
+				{
+					this.fixLinesHeight( infos['full_text'], changes.lineStart, -1 );
+				}
+			}
+		
+			tLines= new Date().getTime();
+			// manage bracket finding
+			if( infos["line_start"] != this.last_selection["line_start"] || infos["curr_pos"] != this.last_selection["curr_pos"] || infos["full_text"].length!=this.last_selection["full_text"].length || this.reload_highlight || !timer_checkup )
+			{
+				// move _cursor_pos
+				var selec_char= infos["curr_line"].charAt(infos["curr_pos"]-1);
+				var no_real_move=true;
+				if(infos["line_nb"]==1 && (this.assocBracket[selec_char] || this.revertAssocBracket[selec_char]) ){
+					
+					no_real_move=false;					
+					//findEndBracket(infos["line_start"], infos["curr_pos"], selec_char);
+					if(this.findEndBracket(infos, selec_char) === true){
+						_$("end_bracket").style.visibility	="visible";
+						_$("cursor_pos").style.visibility	="visible";
+						_$("cursor_pos").innerHTML			= selec_char;
+						_$("end_bracket").innerHTML			= (this.assocBracket[selec_char] || this.revertAssocBracket[selec_char]);
+					}else{
+						_$("end_bracket").style.visibility	="hidden";
+						_$("cursor_pos").style.visibility	="hidden";
+					}
+				}else{
+					_$("cursor_pos").style.visibility	="hidden";
+					_$("end_bracket").style.visibility	="hidden";
+				}
+				//alert("move cursor");
+				this.displayToCursorPosition("cursor_pos", infos["line_start"], infos["curr_pos"]-1, infos["curr_line"], no_real_move);
+				if(infos["line_nb"]==1 && infos["line_start"]!=this.last_selection["line_start"])
+					this.scroll_to_view();
+			}
+			this.last_selection=infos;
+		}
+		
+		tend= new Date().getTime();
+		//if( (tend-t1) > 7 )
+		//	console.log( "tps total: "+ (tend-t1) + " tps get_infos: "+ (t2-t1)+ " tps selec: "+ (t2_1-t2)+ " tps highlight: "+ (t3-t2_1) +" tps lines: "+ (tLines-t3) +" tps cursor+lines: "+ (tend-tLines)+" \n" );
+		
+		
+		if(timer_checkup){
+			setTimeout("editArea.check_line_selection(true)", this.check_line_selection_timer);
+		}
+	};
+
+
+	EditArea.prototype.get_selection_infos= function(){
+		var sel={}, start, end, len, str;
+	
+		this.getIESelection();
+		start	= this.textarea.selectionStart;
+		end		= this.textarea.selectionEnd;		
+		
+		if( this.last_selection["selectionStart"] == start && this.last_selection["selectionEnd"] == end && this.last_selection["full_text"] == this.textarea.value )
+		{	
+			return this.last_selection;
+		}
+			
+		if(this.tabulation!="\t" && this.textarea.value.indexOf("\t")!=-1) 
+		{	// can append only after copy/paste 
+			len		= this.textarea.value.length;
+			this.textarea.value	= this.replace_tab(this.textarea.value);
+			start	= end	= start+(this.textarea.value.length-len);
+			this.area_select( start, 0 );
+		}
+		
+		sel["selectionStart"]	= start;
+		sel["selectionEnd"]		= end;		
+		sel["full_text"]		= this.textarea.value;
+		sel["line_start"]		= 1;
+		sel["line_nb"]			= 1;
+		sel["curr_pos"]			= 0;
+		sel["curr_line"]		= "";
+		sel["indexOfCursor"]	= 0;
+		sel["selec_direction"]	= this.last_selection["selec_direction"];
+
+		//return sel;	
+		var splitTab= sel["full_text"].split("\n");
+		var nbLine	= Math.max(0, splitTab.length);		
+		var nbChar	= Math.max(0, sel["full_text"].length - (nbLine - 1));	// (remove \n caracters from the count)
+		if( sel["full_text"].indexOf("\r") != -1 )
+			nbChar	= nbChar - ( nbLine - 1 );		// (remove \r caracters from the count)
+		sel["nb_line"]	= nbLine;		
+		sel["nb_char"]	= nbChar;
+	
+		if(start>0){
+			str					= sel["full_text"].substr(0,start);
+			sel["curr_pos"]		= start - str.lastIndexOf("\n");
+			sel["line_start"]	= Math.max(1, str.split("\n").length);
+		}else{
+			sel["curr_pos"]=1;
+		}
+		if(end>start){
+			sel["line_nb"]=sel["full_text"].substring(start,end).split("\n").length;
+		}
+		sel["indexOfCursor"]=start;		
+		sel["curr_line"]=splitTab[Math.max(0,sel["line_start"]-1)];
+	
+		// determine in which direction the selection grow
+		if(sel["selectionStart"] == this.last_selection["selectionStart"]){
+			if(sel["selectionEnd"]>this.last_selection["selectionEnd"])
+				sel["selec_direction"]= "down";
+			else if(sel["selectionEnd"] == this.last_selection["selectionStart"])
+				sel["selec_direction"]= this.last_selection["selec_direction"];
+		}else if(sel["selectionStart"] == this.last_selection["selectionEnd"] && sel["selectionEnd"]>this.last_selection["selectionEnd"]){
+			sel["selec_direction"]= "down";
+		}else{
+			sel["selec_direction"]= "up";
+		}
+		
+		_$("nbLine").innerHTML	= nbLine;		
+		_$("nbChar").innerHTML	= nbChar;		
+		_$("linePos").innerHTML	= sel["line_start"];
+		_$("currPos").innerHTML	= sel["curr_pos"];
+
+		return sel;		
+	};
+	
+	// set IE position in Firefox mode (textarea.selectionStart and textarea.selectionEnd)
+	EditArea.prototype.getIESelection= function(){
+		var selectionStart, selectionEnd, range, stored_range;
+		
+		if( !this.isIE )
+			return false;
+			
+		// make it work as nowrap mode (easier for range manipulation with lineHeight)
+		if( this.settings['word_wrap'] )
+			this.textarea.wrap='off';
+			
+		try{
+			range			= document.selection.createRange();
+			stored_range	= range.duplicate();
+			stored_range.moveToElementText( this.textarea );
+			stored_range.setEndPoint( 'EndToEnd', range );
+			if( stored_range.parentElement() != this.textarea )
+				throw "invalid focus";
+				
+			// the range don't take care of empty lines in the end of the selection
+			var scrollTop	= this.result.scrollTop + document.body.scrollTop;
+			var relative_top= range.offsetTop - parent.calculeOffsetTop(this.textarea) + scrollTop;
+			var line_start	= Math.round((relative_top / this.lineHeight) +1);
+			var line_nb		= Math.round( range.boundingHeight / this.lineHeight );
+						
+			selectionStart	= stored_range.text.length - range.text.length;		
+			selectionStart	+= ( line_start - this.textarea.value.substr(0, selectionStart).split("\n").length)*2;		// count missing empty \r to the selection
+			selectionStart	-= ( line_start - this.textarea.value.substr(0, selectionStart).split("\n").length ) * 2;
+			
+			selectionEnd	= selectionStart + range.text.length;		
+			selectionEnd	+= (line_start + line_nb - 1 - this.textarea.value.substr(0, selectionEnd ).split("\n").length)*2;			
+		
+			this.textarea.selectionStart	= selectionStart;
+			this.textarea.selectionEnd		= selectionEnd;
+		}
+		catch(e){}
+		
+		// restore wrap mode
+		if( this.settings['word_wrap'] )
+			this.textarea.wrap='soft';
+	};
+	
+	// select the text for IE (and take care of \r caracters)
+	EditArea.prototype.setIESelection= function(){
+		var a = this.textarea, nbLineStart, nbLineEnd, range;
+		
+		if( !this.isIE )
+			return false;
+		
+		nbLineStart	= a.value.substr(0, a.selectionStart).split("\n").length - 1;
+		nbLineEnd 	= a.value.substr(0, a.selectionEnd).split("\n").length - 1;
+		range		= document.selection.createRange();
+		range.moveToElementText( a );
+		range.setEndPoint( 'EndToStart', range );
+		
+		range.moveStart('character', a.selectionStart - nbLineStart);
+		range.moveEnd('character', a.selectionEnd - nbLineEnd - (a.selectionStart - nbLineStart)  );
+		range.select();
+	};
+	
+	
+	
+	EditArea.prototype.checkTextEvolution=function(lastText,newText){
+		// ch will contain changes datas
+		var ch={},baseStep=200, cpt=0, end, step,tStart=new Date().getTime();
+	
+		end		= Math.min(newText.length, lastText.length);
+        step	= baseStep;
+        // find how many chars are similar at the begin of the text						
+		while( cpt<end && step>=1 ){
+            if(lastText.substr(cpt, step) == newText.substr(cpt, step)){
+                cpt+= step;
+            }else{
+                step= Math.floor(step/2);
+            }
+		}
+		
+		ch.posStart	= cpt;
+		ch.lineStart= newText.substr(0, ch.posStart).split("\n").length -1;						
+		
+		cpt_last	= lastText.length;
+        cpt			= newText.length;
+        step		= baseStep;			
+        // find how many chars are similar at the end of the text						
+		while( cpt>=0 && cpt_last>=0 && step>=1 ){
+            if(lastText.substr(cpt_last-step, step) == newText.substr(cpt-step, step)){
+                cpt-= step;
+                cpt_last-= step;
+            }else{
+                step= Math.floor(step/2);
+            }
+		}
+		
+		ch.posNewEnd	= cpt;
+		ch.posLastEnd	= cpt_last;
+		if(ch.posNewEnd<=ch.posStart){
+			if(lastText.length < newText.length){
+				ch.posNewEnd= ch.posStart + newText.length - lastText.length;
+				ch.posLastEnd= ch.posStart;
+			}else{
+				ch.posLastEnd= ch.posStart + lastText.length - newText.length;
+				ch.posNewEnd= ch.posStart;
+			}
+		} 
+		ch.newText		= newText.substring(ch.posStart, ch.posNewEnd);
+		ch.lastText		= lastText.substring(ch.posStart, ch.posLastEnd);			            
+		
+		ch.lineNewEnd	= newText.substr(0, ch.posNewEnd).split("\n").length -1;
+		ch.lineLastEnd	= lastText.substr(0, ch.posLastEnd).split("\n").length -1;
+		
+		ch.newTextLine	= newText.split("\n").slice(ch.lineStart, ch.lineNewEnd+1).join("\n");
+		ch.lastTextLine	= lastText.split("\n").slice(ch.lineStart, ch.lineLastEnd+1).join("\n");
+		//console.log( ch );
+		return ch;	
+	};
+	
+	EditArea.prototype.tab_selection= function(){
+		if(this.is_tabbing)
+			return;
+		this.is_tabbing=true;
+		//infos=getSelectionInfos();
+		//if( document.selection ){
+		this.getIESelection();
+		/* Insertion du code de formatage */
+		var start = this.textarea.selectionStart;
+		var end = this.textarea.selectionEnd;
+		var insText = this.textarea.value.substring(start, end);
+		
+		/* Insert tabulation and ajust cursor position */
+		var pos_start=start;
+		var pos_end=end;
+		if (insText.length == 0) {
+			// if only one line selected
+			this.textarea.value = this.textarea.value.substr(0, start) + this.tabulation + this.textarea.value.substr(end);
+			pos_start = start + this.tabulation.length;
+			pos_end=pos_start;
+		} else {
+			start= Math.max(0, this.textarea.value.substr(0, start).lastIndexOf("\n")+1);
+			endText=this.textarea.value.substr(end);
+			startText=this.textarea.value.substr(0, start);
+			tmp= this.textarea.value.substring(start, end).split("\n");
+			insText= this.tabulation+tmp.join("\n"+this.tabulation);
+			this.textarea.value = startText + insText + endText;
+			pos_start = start;
+			pos_end= this.textarea.value.indexOf("\n", startText.length + insText.length);
+			if(pos_end==-1)
+				pos_end=this.textarea.value.length;
+			//pos = start + repdeb.length + insText.length + ;
+		}
+		this.textarea.selectionStart = pos_start;
+		this.textarea.selectionEnd = pos_end;
+		
+		//if( document.selection ){
+		if(this.isIE)
+		{
+			this.setIESelection();
+			setTimeout("editArea.is_tabbing=false;", 100);	// IE can't accept to make 2 tabulation without a little break between both
+		}
+		else
+		{ 
+			this.is_tabbing=false;
+		}	
+		
+  	};
+	
+	EditArea.prototype.invert_tab_selection= function(){
+		var t=this, a=this.textarea;
+		if(t.is_tabbing)
+			return;
+		t.is_tabbing=true;
+		//infos=getSelectionInfos();
+		//if( document.selection ){
+		t.getIESelection();
+		
+		var start	= a.selectionStart;
+		var end		= a.selectionEnd;
+		var insText	= a.value.substring(start, end);
+		
+		/* Tab remove and cursor seleciton adjust */
+		var pos_start=start;
+		var pos_end=end;
+		if (insText.length == 0) {
+			if(a.value.substring(start-t.tabulation.length, start)==t.tabulation)
+			{
+				a.value		= a.value.substr(0, start-t.tabulation.length) + a.value.substr(end);
+				pos_start	= Math.max(0, start-t.tabulation.length);
+				pos_end		= pos_start;
+			}	
+			/*
+			a.value = a.value.substr(0, start) + t.tabulation + insText + a.value.substr(end);
+			pos_start = start + t.tabulation.length;
+			pos_end=pos_start;*/
+		} else {
+			start		= a.value.substr(0, start).lastIndexOf("\n")+1;
+			endText		= a.value.substr(end);
+			startText	= a.value.substr(0, start);
+			tmp			= a.value.substring(start, end).split("\n");
+			insText		= "";
+			for(i=0; i<tmp.length; i++){				
+				for(j=0; j<t.tab_nb_char; j++){
+					if(tmp[i].charAt(0)=="\t"){
+						tmp[i]=tmp[i].substr(1);
+						j=t.tab_nb_char;
+					}else if(tmp[i].charAt(0)==" ")
+						tmp[i]=tmp[i].substr(1);
+				}		
+				insText+=tmp[i];
+				if(i<tmp.length-1)
+					insText+="\n";
+			}
+			//insText+="_";
+			a.value		= startText + insText + endText;
+			pos_start	= start;
+			pos_end		= a.value.indexOf("\n", startText.length + insText.length);
+			if(pos_end==-1)
+				pos_end=a.value.length;
+			//pos = start + repdeb.length + insText.length + ;
+		}
+		a.selectionStart = pos_start;
+		a.selectionEnd = pos_end;
+		
+		//if( document.selection ){
+		if(t.isIE){
+			// select the text for IE
+			t.setIESelection();
+			setTimeout("editArea.is_tabbing=false;", 100);	// IE can accept to make 2 tabulation without a little break between both
+		}else
+			t.is_tabbing=false;
+  	};
+	
+	EditArea.prototype.press_enter= function(){		
+		if(!this.smooth_selection)
+			return false;
+		this.getIESelection();
+		var scrollTop= this.result.scrollTop;
+		var scrollLeft= this.result.scrollLeft;
+		var start=this.textarea.selectionStart;
+		var end= this.textarea.selectionEnd;
+		var start_last_line= Math.max(0 , this.textarea.value.substring(0, start).lastIndexOf("\n") + 1 );
+		var begin_line= this.textarea.value.substring(start_last_line, start).replace(/^([ \t]*).*/gm, "$1");
+		var lineStart = this.textarea.value.substring(0, start).split("\n").length;
+		if(begin_line=="\n" || begin_line=="\r" || begin_line.length==0)
+		{
+			return false;
+		}
+			
+		if(this.isIE || ( this.isOpera && this.isOpera < 9.6 ) ){
+			begin_line="\r\n"+ begin_line;
+		}else{
+			begin_line="\n"+ begin_line;
+		}	
+		//alert(start_last_line+" strat: "+start +"\n"+this.textarea.value.substring(start_last_line, start)+"\n_"+begin_line+"_")
+		this.textarea.value= this.textarea.value.substring(0, start) + begin_line + this.textarea.value.substring(end);
+		
+		this.area_select(start+ begin_line.length ,0);
+		// during this process IE scroll back to the top of the textarea
+		if(this.isIE){
+			this.result.scrollTop	= scrollTop;
+			this.result.scrollLeft	= scrollLeft;
+		}
+		return true;
+		
+	};
+	
+	EditArea.prototype.findEndBracket= function(infos, bracket){
+			
+		var start=infos["indexOfCursor"];
+		var normal_order=true;
+		//curr_text=infos["full_text"].split("\n");
+		if(this.assocBracket[bracket])
+			endBracket=this.assocBracket[bracket];
+		else if(this.revertAssocBracket[bracket]){
+			endBracket=this.revertAssocBracket[bracket];
+			normal_order=false;
+		}	
+		var end=-1;
+		var nbBracketOpen=0;
+		
+		for(var i=start; i<infos["full_text"].length && i>=0; ){
+			if(infos["full_text"].charAt(i)==endBracket){				
+				nbBracketOpen--;
+				if(nbBracketOpen<=0){
+					//i=infos["full_text"].length;
+					end=i;
+					break;
+				}
+			}else if(infos["full_text"].charAt(i)==bracket)
+				nbBracketOpen++;
+			if(normal_order)
+				i++;
+			else
+				i--;
+		}
+		
+		//end=infos["full_text"].indexOf("}", start);
+		if(end==-1)
+			return false;	
+		var endLastLine=infos["full_text"].substr(0, end).lastIndexOf("\n");			
+		if(endLastLine==-1)
+			line=1;
+		else
+			line= infos["full_text"].substr(0, endLastLine).split("\n").length + 1;
+					
+		var curPos= end - endLastLine - 1;
+		var endLineLength	= infos["full_text"].substring(end).split("\n")[0].length;
+		this.displayToCursorPosition("end_bracket", line, curPos, infos["full_text"].substring(endLastLine +1, end + endLineLength));
+		return true;
+	};
+	
+	EditArea.prototype.displayToCursorPosition= function(id, start_line, cur_pos, lineContent, no_real_move){
+		var elem,dest,content,posLeft=0,posTop,fixPadding,topOffset,endElem;	
+
+		elem		= this.test_font_size;
+		dest		= _$(id);
+		content		= "<span id='test_font_size_inner'>"+lineContent.substr(0, cur_pos).replace(/&/g,"&amp;").replace(/</g,"&lt;")+"</span><span id='endTestFont'>"+lineContent.substr(cur_pos).replace(/&/g,"&amp;").replace(/</g,"&lt;")+"</span>";
+		if( this.isIE || ( this.isOpera && this.isOpera < 9.6 ) ) {
+			elem.innerHTML= "<pre>" + content.replace(/^\r?\n/, "<br>") + "</pre>";
+		} else {
+			elem.innerHTML= content;
+		}
+		
+
+		endElem		= _$('endTestFont');
+		topOffset	= endElem.offsetTop;
+		fixPadding	= parseInt( this.content_highlight.style.paddingLeft.replace("px", "") );
+		posLeft 	= 45 + endElem.offsetLeft + ( !isNaN( fixPadding ) && topOffset > 0 ? fixPadding : 0 );
+		posTop		= this.getLinePosTop( start_line ) + topOffset;// + Math.floor( ( endElem.offsetHeight - 1 ) / this.lineHeight ) * this.lineHeight;
+	
+		// detect the case where the span start on a line but has no display on it
+		if( this.isIE && cur_pos > 0 && endElem.offsetLeft == 0 )
+		{
+			posTop	+=	this.lineHeight;
+		}
+		if(no_real_move!=true){	// when the cursor is hidden no need to move him
+			dest.style.top=posTop+"px";
+			dest.style.left=posLeft+"px";	
+		}
+		// usefull for smarter scroll
+		dest.cursor_top=posTop;
+		dest.cursor_left=posLeft;	
+	//	_$(id).style.marginLeft=posLeft+"px";
+	};
+	
+	EditArea.prototype.getLinePosTop= function(start_line){
+		var elem= _$('line_'+ start_line), posTop=0;
+		if( elem )
+			posTop	= elem.offsetTop;
+		else
+			posTop	= this.lineHeight * (start_line-1);
+		return posTop;
+	};
+	
+	
+	// return the dislpayed height of a text (take word-wrap into account)
+	EditArea.prototype.getTextHeight= function(text){
+		var t=this,elem,height;
+		elem		= t.test_font_size;
+		content		= text.replace(/&/g,"&amp;").replace(/</g,"&lt;");
+		if( t.isIE || ( this.isOpera && this.isOpera < 9.6 ) ) {
+			elem.innerHTML= "<pre>" + content.replace(/^\r?\n/, "<br>") + "</pre>";
+		} else {
+			elem.innerHTML= content;
+		}
+		height	= elem.offsetHeight;
+		height	= Math.max( 1, Math.floor( elem.offsetHeight / this.lineHeight ) ) * this.lineHeight;
+		return height;
+	};
+
+	/**
+	 * Fix line height for the given lines
+	 * @param Integer linestart
+	 * @param Integer lineEnd End line or -1 to cover all lines
+	 */
+	EditArea.prototype.fixLinesHeight= function( textValue, lineStart,lineEnd ){
+		var aText = textValue.split("\n");
+		if( lineEnd == -1 )
+			lineEnd	= aText.length-1;
+		for( var i = Math.max(0, lineStart); i <= lineEnd; i++ )
+		{
+			if( elem = _$('line_'+ ( i+1 ) ) )
+			{
+				elem.style.height= typeof( aText[i] ) != "undefined" ? this.getTextHeight( aText[i] )+"px" : this.lineHeight;
+			}
+		}
+	};
+	
+	EditArea.prototype.area_select= function(start, length){
+		this.textarea.focus();
+		
+		start	= Math.max(0, Math.min(this.textarea.value.length, start));
+		end		= Math.max(start, Math.min(this.textarea.value.length, start+length));
+
+		if(this.isIE)
+		{
+			this.textarea.selectionStart	= start;
+			this.textarea.selectionEnd		= end;		
+			this.setIESelection();
+		}
+		else
+		{
+			// Opera bug when moving selection start and selection end
+			if(this.isOpera && this.isOpera < 9.6 )
+			{	
+				this.textarea.setSelectionRange(0, 0);
+			}
+			this.textarea.setSelectionRange(start, end);
+		}
+		this.check_line_selection();
+	};
+	
+	
+	EditArea.prototype.area_get_selection= function(){
+		var text="";
+		if( document.selection ){
+			var range = document.selection.createRange();
+			text=range.text;
+		}else{
+			text= this.textarea.value.substring(this.textarea.selectionStart, this.textarea.selectionEnd);
+		}
+		return text;			
+	};
\ No newline at end of file
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