~azzar1/unity/add-show-desktop-key

	EditArea.prototype.focus = function() {

		this.textarea.focus();

		this.textareaFocused=true;

	};

	EditArea.prototype.check_line_selection= function(timer_checkup){

		//if(do_highlight==false){

		/*if(this.once!=1){

			alert("ONCE a"+ this.isResizing);

			this.once=1;

		}*/

		if(!editAreas[this.id])

			return false;

		time=new Date;

		t1=t2=t3= time.getTime();

		if(!this.smooth_selection && !this.do_highlight){

			//formatArea();

		}else if(this.textareaFocused && editAreas[this.id]["displayed"]==true && this.isResizing==false){

			infos= this.get_selection_infos();

			time=new Date;

			t2= time.getTime();

			//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"]){

			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){

			// if selection change

				new_top=this.lineHeight * (infos["line_start"]-1);

				new_height=Math.max(0, this.lineHeight * infos["line_nb"]);

				new_width=Math.max(this.textarea.scrollWidth, this.container.clientWidth -50);

				this.selection_field.style.top=new_top+"px";	

				this.selection_field.style.width=new_width+"px";

				this.selection_field.style.height=new_height+"px";	

				document.getElementById("cursor_pos").style.top=new_top+"px";	

				if(this.do_highlight==true){

					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";	

					}

					content= content.replace(/&/g,"&");

					content= content.replace(/</g,"&lt;");

					content= content.replace(/>/g,">");

					if(this.nav['isIE'] || this.nav['isOpera'])

						this.selection_field.innerHTML= "<pre>" + content.replace("\n", "<br/>") + "</pre>";	

					else

						this.selection_field.innerHTML=content;

					if(this.reload_highlight || (infos["full_text"] != this.last_text_to_highlight && (this.last_selection["line_start"]!=infos["line_start"] || this.last_selection["line_nb"]!=infos["line_nb"] || this.last_selection["nb_line"]!=infos["nb_line"]) ) )

						this.maj_highlight(infos);

				}		

			}

			time=new Date;

			t3= time.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){

				// 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){

						document.getElementById("end_bracket").style.visibility="visible";

						document.getElementById("cursor_pos").style.visibility="visible";

						document.getElementById("cursor_pos").innerHTML= selec_char;

						document.getElementById("end_bracket").innerHTML= (this.assocBracket[selec_char] || this.revertAssocBracket[selec_char]);

					}else{

						document.getElementById("end_bracket").style.visibility="hidden";

						document.getElementById("cursor_pos").style.visibility="hidden";

					}

				}else{

					document.getElementById("cursor_pos").style.visibility="hidden";

					document.getElementById("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;

		}

		time=new Date;

		tend= time.getTime();

		//this.debug.value="tps total: "+ (tend-t1) + " tps get_infos: "+ (t2-t1)+ " tps jaune: "+ (t3-t2) +" tps cursor: "+ (tend-t3)+" "+typeof(infos);

		if(timer_checkup){

			if(this.do_highlight==true)	//can slow down check speed when highlight mode is on

				setTimeout("editArea.check_line_selection(true)", 50);

			else

				setTimeout("editArea.check_line_selection(true)", 50);

		}

	};

	EditArea.prototype.get_selection_infos= function(){

		if(this.nav['isIE'])

			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 

			var 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);

		}

		var selections=new Object();

		selections["selectionStart"]= start;

		selections["selectionEnd"]= end;		

		selections["full_text"]= this.textarea.value;

		selections["line_start"]=1;

		selections["line_nb"]=1;

		selections["curr_pos"]=0;

		selections["curr_line"]="";

		selections["indexOfCursor"]=0;

		selections["selec_direction"]= this.last_selection["selec_direction"];

		//return selections;	

		var splitTab=selections["full_text"].split("\n");

		var nbLine=Math.max(0, splitTab.length);		

		var nbChar=Math.max(0, selections["full_text"].length - (nbLine - 1));	// (remove \n caracters from the count)

		if(selections["full_text"].indexOf("\r")!=-1)

			nbChar= nbChar - (nbLine -1);		// (remove \r caracters from the count)

		selections["nb_line"]=nbLine;		

		selections["nb_char"]=nbChar;		

		if(start>0){

			var str=selections["full_text"].substr(0,start);

			selections["curr_pos"]= start - str.lastIndexOf("\n");

			selections["line_start"]=Math.max(1, str.split("\n").length);

		}else{

			selections["curr_pos"]=1;

		}

		if(end>start){

			selections["line_nb"]=selections["full_text"].substring(start,end).split("\n").length;

		}

		selections["indexOfCursor"]=this.textarea.selectionStart;		

		selections["curr_line"]=splitTab[Math.max(0,selections["line_start"]-1)];

		// determine in with direction the direction grow

		if(selections["selectionStart"]==this.last_selection["selectionStart"]){

			if(selections["selectionEnd"]>this.last_selection["selectionEnd"])

				selections["selec_direction"]= "down";

			else if(selections["selectionEnd"] == this.last_selection["selectionStart"])

				selections["selec_direction"]= this.last_selection["selec_direction"];

		}else if(selections["selectionStart"] == this.last_selection["selectionEnd"] && selections["selectionEnd"]>this.last_selection["selectionEnd"]){

			selections["selec_direction"]= "down";

		}else{

			selections["selec_direction"]= "up";

		}

		document.getElementById("nbLine").innerHTML= nbLine;		

		document.getElementById("nbChar").innerHTML= nbChar;		

		document.getElementById("linePos").innerHTML=selections["line_start"];

		document.getElementById("currPos").innerHTML=selections["curr_pos"];

		return selections;		

	};

	// set IE position in Firefox mode (textarea.selectionStart and textarea.selectionEnd)

	EditArea.prototype.getIESelection= function(){	

		var range = document.selection.createRange();

		var stored_range = range.duplicate();

		stored_range.moveToElementText( this.textarea );

		stored_range.setEndPoint( 'EndToEnd', range );

		if(stored_range.parentElement() !=this.textarea)

			return;

		// 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);

		var range_start=stored_range.text.length - range.text.length;

		var tab=this.textarea.value.substr(0, range_start).split("\n");			

		range_start+= (line_start - tab.length)*2;		// add missing empty lines to the selection

		this.textarea.selectionStart = range_start;

		var range_end=this.textarea.selectionStart + range.text.length;

		tab=this.textarea.value.substr(0, range_start + range.text.length).split("\n");			

		range_end+= (line_start + line_nb - 1 - tab.length)*2;

		this.textarea.selectionEnd = range_end;

		/*this.textarea.selectionStart = 10;

		this.textarea.selectionEnd = 50;*/

	};

	// select the text for IE (and take care of \r caracters)

	EditArea.prototype.setIESelection= function(){

		var nbLineStart=this.textarea.value.substr(0, this.textarea.selectionStart).split("\n").length - 1;

		var nbLineEnd=this.textarea.value.substr(0, this.textarea.selectionEnd).split("\n").length - 1;

		var range = document.selection.createRange();

		range.moveToElementText( this.textarea );

		range.setEndPoint( 'EndToStart', range );

		range.moveStart('character', this.textarea.selectionStart - nbLineStart);

		range.moveEnd('character', this.textarea.selectionEnd - nbLineEnd - (this.textarea.selectionStart - nbLineStart)  );

		range.select();

	};

	EditArea.prototype.tab_selection= function(){

		if(this.is_tabbing)

			return;

		this.is_tabbing=true;

		//infos=getSelectionInfos();

		//if( document.selection ){

		if( this.nav['isIE'] )

			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.nav['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(){

		if(this.is_tabbing)

			return;

		this.is_tabbing=true;

		//infos=getSelectionInfos();

		//if( document.selection ){

		if(this.nav['isIE'])

			this.getIESelection();

		var start = this.textarea.selectionStart;

		var end = this.textarea.selectionEnd;

		var insText = this.textarea.value.substring(start, end);

		/* Tab remove and cursor seleciton adjust */

		var pos_start=start;

		var pos_end=end;

		if (insText.length == 0) {

			if(this.textarea.value.substring(start-this.tabulation.length, start)==this.tabulation)

			{

				this.textarea.value = this.textarea.value.substr(0, start-this.tabulation.length) + this.textarea.value.substr(end);

				pos_start= Math.max(0, start-this.tabulation.length);

				pos_end=pos_start;

			}	

			/*

			this.textarea.value = this.textarea.value.substr(0, start) + this.tabulation + insText + this.textarea.value.substr(end);

			pos_start = start + this.tabulation.length;

			pos_end=pos_start;*/

		} else {

			start= 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="";

			for(i=0; i<tmp.length; i++){				

				for(j=0; j<this.tab_nb_char; j++){

					if(tmp[i].charAt(0)=="\t"){

						tmp[i]=tmp[i].substr(1);

						j=this.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+="_";

			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.nav['isIE']){

			// select the text for IE

			this.setIESelection();

			setTimeout("editArea.is_tabbing=false;", 100);	// IE can accept to make 2 tabulation without a little break between both

		}else

			this.is_tabbing=false;

  	};

	EditArea.prototype.press_enter= function(){		

		if(!this.smooth_selection)

			return false;

		if(this.nav['isIE'])

			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");

		if(begin_line=="\n" || begin_line=="\r" || begin_line.length==0)

			return false;

		if(this.nav['isIE'] || this.nav['isOpera']){

			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.nav['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;

		this.displayToCursorPosition("end_bracket", line, curPos, infos["full_text"].substring(endLastLine +1, end));

		return true;

	};

	EditArea.prototype.displayToCursorPosition= function(id, start_line, cur_pos, lineContent, no_real_move){

		var elem= document.getElementById("test_font_size");

		var dest= document.getElementById(id);

		var postLeft=0;

		elem.innerHTML="<pre><span id='test_font_size_inner'>"+lineContent.substr(0, cur_pos).replace(/&/g,"&amp;").replace(/</g,"&lt;")+"</span></pre>";

		posLeft= 45 + document.getElementById('test_font_size_inner').offsetWidth;

		var posTop=this.lineHeight * (start_line-1);

		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;

	//	document.getElementById(id).style.marginLeft=posLeft+"px";

	};

	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.nav['isIE']){

			this.textarea.selectionStart = start;

			this.textarea.selectionEnd = end;		

			this.setIESelection();

		}else{

			if(this.nav['isOpera']){	// Opera bug when moving selection start and selection end

				/*this.textarea.selectionEnd = 1;	

				this.textarea.selectionStart = 0;			

				this.textarea.selectionEnd = 1;	

				this.textarea.selectionStart = 0;

				this.textarea.selectionEnd = 0;	

				this.textarea.selectionStart = 0;

				this.textarea.selectionEnd = 0;	

				this.textarea.selectionStart = 0;*/

				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;			

	};