X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/db6d2feee32d100fb893b389421bda2fd65a89cd..d9f6aab0486a302a211c6d9c77394daa501c7216:/project/static/js/edit_area_functions.js

diff --git a/project/static/js/edit_area_functions.js b/project/static/js/edit_area_functions.js
new file mode 100755
index 00000000..984d4c61
--- /dev/null
+++ b/project/static/js/edit_area_functions.js
@@ -0,0 +1,1203 @@
+	//replace tabulation by the good number of white spaces
+	EditArea.prototype.replace_tab= function(text){
+		return text.replace(/((\n?)([^\t\n]*)\t)/gi, editArea.smartTab);		// slower than simple replace...	
+	};
+	
+	// call by the replace_tab function
+	EditArea.prototype.smartTab= function(){
+		val="                   ";
+		return EditArea.prototype.smartTab.arguments[2] + EditArea.prototype.smartTab.arguments[3] + val.substr(0, editArea.tab_nb_char - (EditArea.prototype.smartTab.arguments[3].length)%editArea.tab_nb_char);
+	};
+	
+	EditArea.prototype.show_waiting_screen= function(){
+		width	= this.editor_area.offsetWidth;
+		height	= this.editor_area.offsetHeight;
+		if( !(this.isIE && this.isIE<6) )
+		{
+			width	-= 2;
+			height	-= 2;
+		}
+		this.processing_screen.style.display= "block";
+		this.processing_screen.style.width	= width+"px";
+		this.processing_screen.style.height	= height+"px";
+		this.waiting_screen_displayed		= true;
+	};
+	
+	EditArea.prototype.hide_waiting_screen= function(){
+		this.processing_screen.style.display="none";
+		this.waiting_screen_displayed= false;
+	};
+	
+	EditArea.prototype.add_style= function(styles){
+		if(styles.length>0){
+			newcss = document.createElement("style");
+			newcss.type="text/css";
+			newcss.media="all";
+			if(newcss.styleSheet){ // IE
+				newcss.styleSheet.cssText = styles;
+			} else { // W3C
+				newcss.appendChild(document.createTextNode(styles));
+			}
+			document.getElementsByTagName("head")[0].appendChild(newcss);
+		}
+	};
+	
+	EditArea.prototype.set_font= function(family, size){
+		var t=this, a=this.textarea, s=this.settings, elem_font, i, elem;
+		// list all elements concerned by font changes
+		var elems= ["textarea", "content_highlight", "cursor_pos", "end_bracket", "selection_field", "selection_field_text", "line_number"];
+		
+		if(family && family!="")
+			s["font_family"]= family;
+		if(size && size>0)
+			s["font_size"]	= size;
+		if( t.isOpera && t.isOpera < 9.6 )	// opera<9.6 can't manage non monospace font
+			s['font_family']="monospace";
+			
+		// update the select tag
+		if( elem_font = _$("area_font_size") )
+		{	
+			for( i = 0; i < elem_font.length; i++ )
+			{
+				if( elem_font.options[i].value && elem_font.options[i].value == s["font_size"] )
+					elem_font.options[i].selected=true;
+			}
+		}
+		
+		/*
+		 * somethimes firefox has rendering mistake with non-monospace font for text width in textarea vs in div for changing font size (eg: verdana change between 11pt to 12pt)
+		 * => looks like a browser internal random bug as text width can change while content_highlight is updated
+		 * we'll check if the font-size produce the same text width inside textarea and div and if not, we'll increment the font-size
+		 * 
+		 * This is an ugly fix 
+		 */ 
+		if( t.isFirefox )
+		{
+			var nbTry = 3;
+			do {
+				var div1 = document.createElement( 'div' ), text1 = document.createElement( 'textarea' );
+				var styles = {
+					width:		'40px',
+					overflow:	'scroll',
+					zIndex: 	50,
+					visibility:	'hidden',
+					fontFamily:	s["font_family"],
+					fontSize:	s["font_size"]+"pt",
+					lineHeight:	t.lineHeight+"px",
+					padding:	'0',
+					margin:		'0',
+					border:		'none',
+					whiteSpace:	'nowrap'
+				};
+				var diff, changed = false;
+				for( i in styles )
+				{
+					div1.style[ i ]		= styles[i];
+					text1.style[ i ]	= styles[i];
+				}
+				// no wrap for this text
+				text1.wrap = 'off';
+				text1.setAttribute('wrap', 'off');
+				t.container.appendChild( div1 );
+				t.container.appendChild( text1 );
+				// try to make FF to bug
+				div1.innerHTML 		= text1.value	= 'azertyuiopqsdfghjklm';
+				div1.innerHTML 		= text1.value	= text1.value+'wxcvbn^p*ù$!:;,,';
+				diff	=  text1.scrollWidth - div1.scrollWidth;
+				
+				// firefox return here a diff of 1 px between equals scrollWidth (can't explain)
+				if( Math.abs( diff ) >= 2 )
+				{
+					s["font_size"]++;
+					changed	= true;
+				}
+				t.container.removeChild( div1 );
+				t.container.removeChild( text1 );
+				nbTry--;
+			}while( changed && nbTry > 0 );
+		}
+		
+		
+		// calc line height
+		elem					= t.test_font_size;
+		elem.style.fontFamily	= ""+s["font_family"];
+		elem.style.fontSize		= s["font_size"]+"pt";				
+		elem.innerHTML			= "0";		
+		t.lineHeight			= elem.offsetHeight;
+
+		// update font for all concerned elements
+		for( i=0; i<elems.length; i++)
+		{
+			elem	= _$(elems[i]);	
+			elem.style.fontFamily	= s["font_family"];
+			elem.style.fontSize		= s["font_size"]+"pt";
+			elem.style.lineHeight	= t.lineHeight+"px";
+		}
+		// define a css for <pre> tags
+		t.add_style("pre{font-family:"+s["font_family"]+"}");
+		
+		// old opera and IE>=8 doesn't update font changes to the textarea
+		if( ( t.isOpera && t.isOpera < 9.6 ) || t.isIE >= 8 )
+		{
+			var parNod = a.parentNode, nxtSib = a.nextSibling, start= a.selectionStart, end= a.selectionEnd;
+			parNod.removeChild(a);
+			parNod.insertBefore(a, nxtSib);
+			t.area_select(start, end-start);
+		}
+		
+		// force update of selection field
+		this.focus();
+		this.update_size();
+		this.check_line_selection();
+	};
+	
+	EditArea.prototype.change_font_size= function(){
+		var size=_$("area_font_size").value;
+		if(size>0)
+			this.set_font("", size);			
+	};
+	
+	
+	EditArea.prototype.open_inline_popup= function(popup_id){
+		this.close_all_inline_popup();
+		var popup= _$(popup_id);		
+		var editor= _$("editor");
+		
+		// search matching icon
+		for(var i=0; i<this.inlinePopup.length; i++){
+			if(this.inlinePopup[i]["popup_id"]==popup_id){
+				var icon= _$(this.inlinePopup[i]["icon_id"]);
+				if(icon){
+					this.switchClassSticky(icon, 'editAreaButtonSelected', true);			
+					break;
+				}
+			}
+		}
+		// check size
+		popup.style.height="auto";
+		popup.style.overflow= "visible";
+			
+		if(document.body.offsetHeight< popup.offsetHeight){
+			popup.style.height= (document.body.offsetHeight-10)+"px";
+			popup.style.overflow= "auto";
+		}
+		
+		if(!popup.positionned){
+			var new_left= editor.offsetWidth /2 - popup.offsetWidth /2;
+			var new_top= editor.offsetHeight /2 - popup.offsetHeight /2;
+			//var new_top= area.offsetHeight /2 - popup.offsetHeight /2;
+			//var new_left= area.offsetWidth /2 - popup.offsetWidth /2;
+			//alert("new_top: ("+new_top+") = calculeOffsetTop(area) ("+calculeOffsetTop(area)+") + area.offsetHeight /2("+ area.offsetHeight /2+") - popup.offsetHeight /2("+popup.offsetHeight /2+") - scrollTop: "+document.body.scrollTop);
+			popup.style.left= new_left+"px";
+			popup.style.top= new_top+"px";
+			popup.positionned=true;
+		}
+		popup.style.visibility="visible";
+		
+		//popup.style.display="block";
+	};
+
+	EditArea.prototype.close_inline_popup= function(popup_id){
+		var popup= _$(popup_id);		
+		// search matching icon
+		for(var i=0; i<this.inlinePopup.length; i++){
+			if(this.inlinePopup[i]["popup_id"]==popup_id){
+				var icon= _$(this.inlinePopup[i]["icon_id"]);
+				if(icon){
+					this.switchClassSticky(icon, 'editAreaButtonNormal', false);			
+					break;
+				}
+			}
+		}
+		
+		popup.style.visibility="hidden";	
+	};
+	
+	EditArea.prototype.close_all_inline_popup= function(e){
+		for(var i=0; i<this.inlinePopup.length; i++){
+			this.close_inline_popup(this.inlinePopup[i]["popup_id"]);		
+		}
+		this.textarea.focus();
+	};
+	
+	EditArea.prototype.show_help= function(){
+		
+		this.open_inline_popup("edit_area_help");
+		
+	};
+			
+	EditArea.prototype.new_document= function(){
+		this.textarea.value="";
+		this.area_select(0,0);
+	};
+	
+	EditArea.prototype.get_all_toolbar_height= function(){
+		var area= _$("editor");
+		var results= parent.getChildren(area, "div", "class", "area_toolbar", "all", "0");	// search only direct children
+		//results= results.concat(getChildren(area, "table", "class", "area_toolbar", "all", "0"));
+		var height=0;
+		for(var i=0; i<results.length; i++){			
+			height+= results[i].offsetHeight;
+		}
+		//alert("toolbar height: "+height);
+		return height;
+	};
+	
+	EditArea.prototype.go_to_line= function(line){	
+		if(!line)
+		{	
+			var icon= _$("go_to_line");
+			if(icon != null){
+				this.restoreClass(icon);
+				this.switchClassSticky(icon, 'editAreaButtonSelected', true);
+			}
+			
+			line= prompt(this.get_translation("go_to_line_prompt"));
+			if(icon != null)
+				this.switchClassSticky(icon, 'editAreaButtonNormal', false);
+		}
+		if(line && line!=null && line.search(/^[0-9]+$/)!=-1){
+			var start=0;
+			var lines= this.textarea.value.split("\n");
+			if(line > lines.length)
+				start= this.textarea.value.length;
+			else{
+				for(var i=0; i<Math.min(line-1, lines.length); i++)
+					start+= lines[i].length + 1;
+			}
+			this.area_select(start, 0);
+		}
+		
+		
+	};
+	
+	
+	EditArea.prototype.change_smooth_selection_mode= function(setTo){
+		//alert("setTo: "+setTo);
+		if(this.do_highlight)
+			return;
+			
+		if(setTo != null){
+			if(setTo === false)
+				this.smooth_selection=true;
+			else
+				this.smooth_selection=false;
+		}
+		var icon= _$("change_smooth_selection");
+		this.textarea.focus();
+		if(this.smooth_selection===true){
+			//setAttribute(icon, "class", getAttribute(icon, "class").replace(/ selected/g, "") );
+			/*setAttribute(icon, "oldClassName", "editAreaButtonNormal" );
+			setAttribute(icon, "className", "editAreaButtonNormal" );*/
+			//this.restoreClass(icon);
+			//this.restoreAndSwitchClass(icon,'editAreaButtonNormal');
+			this.switchClassSticky(icon, 'editAreaButtonNormal', false);
+			
+			this.smooth_selection=false;
+			this.selection_field.style.display= "none";
+			_$("cursor_pos").style.display= "none";
+			_$("end_bracket").style.display= "none";
+		}else{
+			//setAttribute(icon, "class", getAttribute(icon, "class") + " selected");
+			//this.switchClass(icon,'editAreaButtonSelected');
+			this.switchClassSticky(icon, 'editAreaButtonSelected', false);
+			this.smooth_selection=true;
+			this.selection_field.style.display= "block";
+			_$("cursor_pos").style.display= "block";
+			_$("end_bracket").style.display= "block";
+		}	
+	};
+	
+	// the auto scroll of the textarea has some lacks when it have to show cursor in the visible area when the textarea size change
+	// show specifiy whereas it is the "top" or "bottom" of the selection that is showned
+	EditArea.prototype.scroll_to_view= function(show){
+		var zone, lineElem;
+		if(!this.smooth_selection)
+			return;
+		zone= _$("result");
+		
+		// manage height scroll
+		var cursor_pos_top= _$("cursor_pos").cursor_top;
+		if(show=="bottom")
+		{
+			//cursor_pos_top+=  (this.last_selection["line_nb"]-1)* this.lineHeight;
+			cursor_pos_top+= this.getLinePosTop( this.last_selection['line_start'] + this.last_selection['line_nb'] - 1 );
+		}
+			
+		var max_height_visible= zone.clientHeight + zone.scrollTop;
+		var miss_top	= cursor_pos_top + this.lineHeight - max_height_visible;
+		if(miss_top>0){
+			//alert(miss_top);
+			zone.scrollTop=  zone.scrollTop + miss_top;
+		}else if( zone.scrollTop > cursor_pos_top){
+			// when erase all the content -> does'nt scroll back to the top
+			//alert("else: "+cursor_pos_top);
+			zone.scrollTop= cursor_pos_top;	 
+		}
+		
+		// manage left scroll
+		//var cursor_pos_left= parseInt(_$("cursor_pos").style.left.replace("px",""));
+		var cursor_pos_left= _$("cursor_pos").cursor_left;
+		var max_width_visible= zone.clientWidth + zone.scrollLeft;
+		var miss_left= cursor_pos_left + 10 - max_width_visible;
+		if(miss_left>0){			
+			zone.scrollLeft= zone.scrollLeft + miss_left + 50;
+		}else if( zone.scrollLeft > cursor_pos_left){
+			zone.scrollLeft= cursor_pos_left ;
+		}else if( zone.scrollLeft == 45){
+			// show the line numbers if textarea align to it's left
+			zone.scrollLeft=0;
+		}
+	};
+	
+	EditArea.prototype.check_undo= function(only_once){
+		if(!editAreas[this.id])
+			return false;
+		if(this.textareaFocused && editAreas[this.id]["displayed"]==true){
+			var text=this.textarea.value;
+			if(this.previous.length<=1)
+				this.switchClassSticky(_$("undo"), 'editAreaButtonDisabled', true);
+		
+			if(!this.previous[this.previous.length-1] || this.previous[this.previous.length-1]["text"] != text){
+				this.previous.push({"text": text, "selStart": this.textarea.selectionStart, "selEnd": this.textarea.selectionEnd});
+				if(this.previous.length > this.settings["max_undo"]+1)
+					this.previous.shift();
+				
+			}
+			if(this.previous.length >= 2)
+				this.switchClassSticky(_$("undo"), 'editAreaButtonNormal', false);		
+		}
+
+		if(!only_once)
+			setTimeout("editArea.check_undo()", 3000);
+	};
+	
+	EditArea.prototype.undo= function(){
+		//alert("undo"+this.previous.length);
+		if(this.previous.length > 0)
+		{
+			this.getIESelection();
+		//	var pos_cursor=this.textarea.selectionStart;
+			this.next.push( { "text": this.textarea.value, "selStart": this.textarea.selectionStart, "selEnd": this.textarea.selectionEnd } );
+			var prev= this.previous.pop();
+			if( prev["text"] == this.textarea.value && this.previous.length > 0 )
+				prev	=this.previous.pop();						
+			this.textarea.value	= prev["text"];
+			this.last_undo		= prev["text"];
+			this.area_select(prev["selStart"], prev["selEnd"]-prev["selStart"]);
+			this.switchClassSticky(_$("redo"), 'editAreaButtonNormal', false);
+			this.resync_highlight(true);
+			//alert("undo"+this.previous.length);
+			this.check_file_changes();
+		}
+	};
+	
+	EditArea.prototype.redo= function(){
+		if(this.next.length > 0)
+		{
+			/*this.getIESelection();*/
+			//var pos_cursor=this.textarea.selectionStart;
+			var next= this.next.pop();
+			this.previous.push(next);
+			this.textarea.value= next["text"];
+			this.last_undo= next["text"];
+			this.area_select(next["selStart"], next["selEnd"]-next["selStart"]);
+			this.switchClassSticky(_$("undo"), 'editAreaButtonNormal', false);
+			this.resync_highlight(true);
+			this.check_file_changes();
+		}
+		if(	this.next.length == 0)
+			this.switchClassSticky(_$("redo"), 'editAreaButtonDisabled', true);
+	};
+	
+	EditArea.prototype.check_redo= function(){
+		if(editArea.next.length == 0 || editArea.textarea.value!=editArea.last_undo){
+			editArea.next= [];	// undo the ability to use "redo" button
+			editArea.switchClassSticky(_$("redo"), 'editAreaButtonDisabled', true);
+		}
+		else
+		{
+			this.switchClassSticky(_$("redo"), 'editAreaButtonNormal', false);
+		}
+	};
+	
+	
+	// functions that manage icons roll over, disabled, etc...
+	EditArea.prototype.switchClass = function(element, class_name, lock_state) {
+		var lockChanged = false;
+	
+		if (typeof(lock_state) != "undefined" && element != null) {
+			element.classLock = lock_state;
+			lockChanged = true;
+		}
+	
+		if (element != null && (lockChanged || !element.classLock)) {
+			element.oldClassName = element.className;
+			element.className = class_name;
+		}
+	};
+	
+	EditArea.prototype.restoreAndSwitchClass = function(element, class_name) {
+		if (element != null && !element.classLock) {
+			this.restoreClass(element);
+			this.switchClass(element, class_name);
+		}
+	};
+	
+	EditArea.prototype.restoreClass = function(element) {
+		if (element != null && element.oldClassName && !element.classLock) {
+			element.className = element.oldClassName;
+			element.oldClassName = null;
+		}
+	};
+	
+	EditArea.prototype.setClassLock = function(element, lock_state) {
+		if (element != null)
+			element.classLock = lock_state;
+	};
+	
+	EditArea.prototype.switchClassSticky = function(element, class_name, lock_state) {
+		var lockChanged = false;
+		if (typeof(lock_state) != "undefined" && element != null) {
+			element.classLock = lock_state;
+			lockChanged = true;
+		}
+	
+		if (element != null && (lockChanged || !element.classLock)) {
+			element.className = class_name;
+			element.oldClassName = class_name;
+		}
+	};
+	
+	//make the "page up" and "page down" buttons works correctly
+	EditArea.prototype.scroll_page= function(params){
+		var dir= params["dir"], shift_pressed= params["shift"];
+		var lines= this.textarea.value.split("\n");		
+		var new_pos=0, length=0, char_left=0, line_nb=0, curLine=0;
+		var toScrollAmount	= _$("result").clientHeight -30;
+		var nbLineToScroll	= 0, diff= 0;
+		
+		if(dir=="up"){
+			nbLineToScroll	= Math.ceil( toScrollAmount / this.lineHeight );
+			
+			// fix number of line to scroll
+			for( i = this.last_selection["line_start"]; i - diff > this.last_selection["line_start"] - nbLineToScroll ; i-- )
+			{
+				if( elem = _$('line_'+ i) )
+				{
+					diff +=  Math.floor( ( elem.offsetHeight - 1 ) / this.lineHeight );
+				}
+			}
+			nbLineToScroll	-= diff;
+			
+			if(this.last_selection["selec_direction"]=="up"){
+				for(line_nb=0; line_nb< Math.min(this.last_selection["line_start"]-nbLineToScroll, lines.length); line_nb++){
+					new_pos+= lines[line_nb].length + 1;
+				}
+				char_left=Math.min(lines[Math.min(lines.length-1, line_nb)].length, this.last_selection["curr_pos"]-1);
+				if(shift_pressed)
+					length=this.last_selection["selectionEnd"]-new_pos-char_left;	
+				this.area_select(new_pos+char_left, length);
+				view="top";
+			}else{			
+				view="bottom";
+				for(line_nb=0; line_nb< Math.min(this.last_selection["line_start"]+this.last_selection["line_nb"]-1-nbLineToScroll, lines.length); line_nb++){
+					new_pos+= lines[line_nb].length + 1;
+				}
+				char_left=Math.min(lines[Math.min(lines.length-1, line_nb)].length, this.last_selection["curr_pos"]-1);
+				if(shift_pressed){
+					//length=this.last_selection["selectionEnd"]-new_pos-char_left;	
+					start= Math.min(this.last_selection["selectionStart"], new_pos+char_left);
+					length= Math.max(new_pos+char_left, this.last_selection["selectionStart"] )- start ;
+					if(new_pos+char_left < this.last_selection["selectionStart"])
+						view="top";
+				}else
+					start=new_pos+char_left;
+				this.area_select(start, length);
+				
+			}
+		}
+		else
+		{
+			var nbLineToScroll= Math.floor( toScrollAmount / this.lineHeight );
+			// fix number of line to scroll
+			for( i = this.last_selection["line_start"]; i + diff < this.last_selection["line_start"] + nbLineToScroll ; i++ )
+			{
+				if( elem = _$('line_'+ i) )
+				{
+					diff +=  Math.floor( ( elem.offsetHeight - 1 ) / this.lineHeight );
+				}
+			}
+			nbLineToScroll	-= diff;
+				
+			if(this.last_selection["selec_direction"]=="down"){
+				view="bottom";
+				for(line_nb=0; line_nb< Math.min(this.last_selection["line_start"]+this.last_selection["line_nb"]-2+nbLineToScroll, lines.length); line_nb++){
+					if(line_nb==this.last_selection["line_start"]-1)
+						char_left= this.last_selection["selectionStart"] -new_pos;
+					new_pos+= lines[line_nb].length + 1;
+									
+				}
+				if(shift_pressed){
+					length=Math.abs(this.last_selection["selectionStart"]-new_pos);	
+					length+=Math.min(lines[Math.min(lines.length-1, line_nb)].length, this.last_selection["curr_pos"]);
+					//length+=Math.min(lines[Math.min(lines.length-1, line_nb)].length, char_left);
+					this.area_select(Math.min(this.last_selection["selectionStart"], new_pos), length);
+				}else{
+					this.area_select(new_pos+char_left, 0);
+				}
+				
+			}else{
+				view="top";
+				for(line_nb=0; line_nb< Math.min(this.last_selection["line_start"]+nbLineToScroll-1, lines.length, lines.length); line_nb++){
+					if(line_nb==this.last_selection["line_start"]-1)
+						char_left= this.last_selection["selectionStart"] -new_pos;
+					new_pos+= lines[line_nb].length + 1;									
+				}
+				if(shift_pressed){
+					length=Math.abs(this.last_selection["selectionEnd"]-new_pos-char_left);	
+					length+=Math.min(lines[Math.min(lines.length-1, line_nb)].length, this.last_selection["curr_pos"])- char_left-1;
+					//length+=Math.min(lines[Math.min(lines.length-1, line_nb)].length, char_left);
+					this.area_select(Math.min(this.last_selection["selectionEnd"], new_pos+char_left), length);
+					if(new_pos+char_left > this.last_selection["selectionEnd"])
+						view="bottom";
+				}else{
+					this.area_select(new_pos+char_left, 0);
+				}
+				
+			}
+		}
+		//console.log( new_pos, char_left, length, nbLineToScroll, toScrollAmount, _$("result").clientHeigh );
+		this.check_line_selection();
+		this.scroll_to_view(view);
+	};
+	
+	EditArea.prototype.start_resize= function(e){
+		parent.editAreaLoader.resize["id"]		= editArea.id;		
+		parent.editAreaLoader.resize["start_x"]	= (e)? e.pageX : event.x + document.body.scrollLeft;		
+		parent.editAreaLoader.resize["start_y"]	= (e)? e.pageY : event.y + document.body.scrollTop;
+		if(editArea.isIE)
+		{
+			editArea.textarea.focus();
+			editArea.getIESelection();
+		}
+		parent.editAreaLoader.resize["selectionStart"]	= editArea.textarea.selectionStart;
+		parent.editAreaLoader.resize["selectionEnd"]	= editArea.textarea.selectionEnd;
+		parent.editAreaLoader.start_resize_area();
+	};
+	
+	EditArea.prototype.toggle_full_screen= function(to){
+		var t=this, p=parent, a=t.textarea, html, frame, selStart, selEnd, old, icon;
+		if(typeof(to)=="undefined")
+			to= !t.fullscreen['isFull'];
+		old			= t.fullscreen['isFull'];
+		t.fullscreen['isFull']= to;
+		icon		= _$("fullscreen");
+		selStart	= t.textarea.selectionStart;
+		selEnd		= t.textarea.selectionEnd;
+		html		= p.document.getElementsByTagName("html")[0];
+		frame		= p.document.getElementById("frame_"+t.id);
+		
+		if(to && to!=old)
+		{	// toogle on fullscreen		
+			
+			t.fullscreen['old_overflow']	= p.get_css_property(html, "overflow");
+			t.fullscreen['old_height']		= p.get_css_property(html, "height");
+			t.fullscreen['old_width']		= p.get_css_property(html, "width");
+			t.fullscreen['old_scrollTop']	= html.scrollTop;
+			t.fullscreen['old_scrollLeft']	= html.scrollLeft;
+			t.fullscreen['old_zIndex']		= p.get_css_property(frame, "z-index");
+			if(t.isOpera){
+				html.style.height	= "100%";
+				html.style.width	= "100%";	
+			}
+			html.style.overflow	= "hidden";
+			html.scrollTop		= 0;
+			html.scrollLeft		= 0;
+			
+			frame.style.position	= "absolute";
+			frame.style.width		= html.clientWidth+"px";
+			frame.style.height		= html.clientHeight+"px";
+			frame.style.display		= "block";
+			frame.style.zIndex		= "999999";
+			frame.style.top			= "0px";
+			frame.style.left		= "0px";
+			
+			// if the iframe was in a div with position absolute, the top and left are the one of the div, 
+			// so I fix it by seeing at witch position the iframe start and correcting it
+			frame.style.top			= "-"+p.calculeOffsetTop(frame)+"px";
+			frame.style.left		= "-"+p.calculeOffsetLeft(frame)+"px";
+			
+		//	parent.editAreaLoader.execCommand(t.id, "update_size();");
+		//	var body=parent.document.getElementsByTagName("body")[0];
+		//	body.appendChild(frame);
+			
+			t.switchClassSticky(icon, 'editAreaButtonSelected', false);
+			t.fullscreen['allow_resize']= t.resize_allowed;
+			t.allow_resize(false);
+	
+			//t.area_select(selStart, selEnd-selStart);
+			
+		
+			// opera can't manage to do a direct size update
+			if(t.isFirefox){
+				p.editAreaLoader.execCommand(t.id, "update_size();");
+				t.area_select(selStart, selEnd-selStart);
+				t.scroll_to_view();
+				t.focus();
+			}else{
+				setTimeout("p.editAreaLoader.execCommand('"+ t.id +"', 'update_size();');editArea.focus();", 10);
+			}	
+			
+	
+		}
+		else if(to!=old)
+		{	// toogle off fullscreen
+			frame.style.position="static";
+			frame.style.zIndex= t.fullscreen['old_zIndex'];
+		
+			if(t.isOpera)
+			{
+				html.style.height	= "auto"; 
+				html.style.width	= "auto";
+				html.style.overflow	= "auto";
+			}
+			else if(t.isIE && p!=top)
+			{	// IE doesn't manage html overflow in frames like in normal page... 
+				html.style.overflow	= "auto";
+			}
+			else
+			{
+				html.style.overflow	= t.fullscreen['old_overflow'];
+			}
+			html.scrollTop	= t.fullscreen['old_scrollTop'];
+			html.scrollLeft	= t.fullscreen['old_scrollLeft'];
+		
+			p.editAreaLoader.hide(t.id);
+			p.editAreaLoader.show(t.id);
+			
+			t.switchClassSticky(icon, 'editAreaButtonNormal', false);
+			if(t.fullscreen['allow_resize'])
+				t.allow_resize(t.fullscreen['allow_resize']);
+			if(t.isFirefox){
+				t.area_select(selStart, selEnd-selStart);
+				setTimeout("editArea.scroll_to_view();", 10);
+			}			
+			
+			//p.editAreaLoader.remove_event(p.window, "resize", editArea.update_size);
+		}
+		
+	};
+	
+	EditArea.prototype.allow_resize= function(allow){
+		var resize= _$("resize_area");
+		if(allow){
+			
+			resize.style.visibility="visible";
+			parent.editAreaLoader.add_event(resize, "mouseup", editArea.start_resize);
+		}else{
+			resize.style.visibility="hidden";
+			parent.editAreaLoader.remove_event(resize, "mouseup", editArea.start_resize);
+		}
+		this.resize_allowed= allow;
+	};
+	
+	
+	EditArea.prototype.change_syntax= function(new_syntax, is_waiting){
+	//	alert("cahnge to "+new_syntax);
+		// the syntax is the same
+		if(new_syntax==this.settings['syntax'])
+			return true;
+		
+		// check that the syntax is one allowed
+		var founded= false;
+		for(var i=0; i<this.syntax_list.length; i++)
+		{
+			if(this.syntax_list[i]==new_syntax)
+				founded= true;
+		}
+		
+		if(founded==true)
+		{
+			// the reg syntax file is not loaded
+			if(!parent.editAreaLoader.load_syntax[new_syntax])
+			{
+				// load the syntax file and wait for file loading
+				if(!is_waiting)
+					parent.editAreaLoader.load_script(parent.editAreaLoader.baseURL + "reg_syntax/" + new_syntax + ".js");
+				setTimeout("editArea.change_syntax('"+ new_syntax +"', true);", 100);
+				this.show_waiting_screen();
+			}
+			else
+			{
+				if(!this.allready_used_syntax[new_syntax])
+				{	// the syntax has still not been used
+					// rebuild syntax definition for new languages
+					parent.editAreaLoader.init_syntax_regexp();
+					// add style to the new list
+					this.add_style(parent.editAreaLoader.syntax[new_syntax]["styles"]);
+					this.allready_used_syntax[new_syntax]=true;
+				}
+				// be sure that the select option is correctly updated
+				var sel= _$("syntax_selection");
+				if(sel && sel.value!=new_syntax)
+				{
+					for(var i=0; i<sel.length; i++){
+						if(sel.options[i].value && sel.options[i].value == new_syntax)
+							sel.options[i].selected=true;
+					}
+				}
+				
+			/*	if(this.settings['syntax'].length==0)
+				{
+					this.switchClassSticky(_$("highlight"), 'editAreaButtonNormal', false);
+					this.switchClassSticky(_$("reset_highlight"), 'editAreaButtonNormal', false);
+					this.change_highlight(true);
+				}
+				*/
+				this.settings['syntax']= new_syntax;
+				this.resync_highlight(true);
+				this.hide_waiting_screen();
+				return true;
+			}
+		}
+		return false;
+	};
+	
+	
+	// check if the file has changed
+	EditArea.prototype.set_editable= function(is_editable){
+		if(is_editable)
+		{
+			document.body.className= "";
+			this.textarea.readOnly= false;
+			this.is_editable= true;
+		}
+		else
+		{
+			document.body.className= "non_editable";
+			this.textarea.readOnly= true;
+			this.is_editable= false;
+		}
+		
+		if(editAreas[this.id]["displayed"]==true)
+			this.update_size();
+	};
+	
+	/***** Wrap mode *****/
+	
+	// toggling function for set_wrap_mode
+	EditArea.prototype.toggle_word_wrap= function(){
+		this.set_word_wrap( !this.settings['word_wrap'] );
+	};
+	
+	
+	// open a new tab for the given file
+	EditArea.prototype.set_word_wrap= function(to){
+		var t=this, a= t.textarea;
+		
+		if( t.isOpera )
+		{
+			this.settings['word_wrap']= false;
+			t.switchClassSticky( _$("word_wrap"), 'editAreaButtonDisabled', true );
+			return false;
+		}
+		
+		if( to )
+		{
+			wrap_mode = 'soft';
+			this.container.className+= ' word_wrap';
+			this.container.style.width="";
+			this.content_highlight.style.width="";
+			a.style.width="100%";
+			if( t.isIE && t.isIE < 7 )	// IE 6 count 50 px too much
+			{
+				a.style.width	= ( a.offsetWidth-5 )+"px";
+			}
+			
+			t.switchClassSticky( _$("word_wrap"), 'editAreaButtonSelected', false );
+		}
+		else
+		{
+			wrap_mode = 'off';
+			this.container.className	= this.container.className.replace(/word_wrap/g, '');
+			t.switchClassSticky( _$("word_wrap"), 'editAreaButtonNormal', true );
+		}
+		this.textarea.previous_scrollWidth = '';
+		this.textarea.previous_scrollHeight = '';
+		
+		a.wrap= wrap_mode;
+		a.setAttribute('wrap', wrap_mode);
+		// only IE can change wrap mode on the fly without element reloading
+		if(!this.isIE)
+		{
+			var start=a.selectionStart, end= a.selectionEnd;
+			var parNod = a.parentNode, nxtSib = a.nextSibling;
+			parNod.removeChild(a);
+			parNod.insertBefore(a, nxtSib);
+			this.area_select(start, end-start);
+		}
+		// reset some optimisation
+		this.settings['word_wrap']	= to;
+		this.focus();
+		this.update_size();
+		this.check_line_selection();
+	};	
+	/***** tabbed files managing functions *****/
+	
+	// open a new tab for the given file
+	EditArea.prototype.open_file= function(settings){
+		
+		if(settings['id']!="undefined")
+		{
+			var id= settings['id'];
+			// create a new file object with defautl values
+			var new_file= {};
+			new_file['id']			= id;
+			new_file['title']		= id;
+			new_file['text']		= "";
+			new_file['last_selection']	= "";		
+			new_file['last_text_to_highlight']	= "";
+			new_file['last_hightlighted_text']	= "";
+			new_file['previous']	= [];
+			new_file['next']		= [];
+			new_file['last_undo']	= "";
+			new_file['smooth_selection']	= this.settings['smooth_selection'];
+			new_file['do_highlight']= this.settings['start_highlight'];
+			new_file['syntax']		= this.settings['syntax'];
+			new_file['scroll_top']	= 0;
+			new_file['scroll_left']	= 0;
+			new_file['selection_start']= 0;
+			new_file['selection_end']= 0;
+			new_file['edited']		= false;
+			new_file['font_size']	= this.settings["font_size"];
+			new_file['font_family']	= this.settings["font_family"];
+			new_file['word_wrap']	= this.settings["word_wrap"];
+			new_file['toolbar']		= {'links':{}, 'selects': {}};
+			new_file['compare_edited_text']= new_file['text'];
+			
+			
+			this.files[id]= new_file;
+			this.update_file(id, settings);
+			this.files[id]['compare_edited_text']= this.files[id]['text'];
+			
+			
+			var html_id= 'tab_file_'+encodeURIComponent(id);
+			this.filesIdAssoc[html_id]= id;
+			this.files[id]['html_id']= html_id;
+		
+			if(!_$(this.files[id]['html_id']) && id!="")
+			{
+				// be sure the tab browsing area is displayed
+				this.tab_browsing_area.style.display= "block";
+				var elem= document.createElement('li');
+				elem.id= this.files[id]['html_id'];
+				var close= "<img src=\""+ parent.editAreaLoader.baseURL +"images/close.gif\" title=\""+ this.get_translation('close_tab', 'word') +"\" onclick=\"editArea.execCommand('close_file', editArea.filesIdAssoc['"+ html_id +"']);return false;\" class=\"hidden\" onmouseover=\"this.className=''\" onmouseout=\"this.className='hidden'\" />";
+				elem.innerHTML= "<a onclick=\"javascript:editArea.execCommand('switch_to_file', editArea.filesIdAssoc['"+ html_id +"']);\" selec=\"none\"><b><span><strong class=\"edited\">*</strong>"+ this.files[id]['title'] + close +"</span></b></a>";
+				_$('tab_browsing_list').appendChild(elem);
+				var elem= document.createElement('text');
+				this.update_size();
+			}
+			
+			// open file callback (for plugin)
+			if(id!="")
+				this.execCommand('file_open', this.files[id]);
+			
+			this.switch_to_file(id, true);
+			return true;
+		}
+		else
+			return false;
+	};
+	
+	// close the given file
+	EditArea.prototype.close_file= function(id){
+		if(this.files[id])
+		{
+			this.save_file(id);
+			
+			// close file callback
+			if(this.execCommand('file_close', this.files[id])!==false)
+			{
+				// remove the tab in the toolbar
+				var li= _$(this.files[id]['html_id']);
+				li.parentNode.removeChild(li);
+				// select a new file
+				if(id== this.curr_file)
+				{
+					var next_file= "";
+					var is_next= false;
+					for(var i in this.files)
+					{
+						if( is_next )
+						{
+							next_file	= i;
+							break;
+						}
+						else if( i == id )
+							is_next		= true;
+						else
+							next_file	= i;
+					}
+					// display the next file
+					this.switch_to_file(next_file);
+				}
+				// clear datas
+				delete (this.files[id]);
+				this.update_size();
+			}	
+		}
+	};
+	
+	// backup current file datas
+	EditArea.prototype.save_file= function(id){
+		var t= this, save, a_links, a_selects, save_butt, img, i;
+		if(t.files[id])
+		{
+			var save= t.files[id];
+			save['last_selection']			= t.last_selection;		
+			save['last_text_to_highlight']	= t.last_text_to_highlight;
+			save['last_hightlighted_text']	= t.last_hightlighted_text;
+			save['previous']				= t.previous;
+			save['next']					= t.next;
+			save['last_undo']				= t.last_undo;
+			save['smooth_selection']		= t.smooth_selection;
+			save['do_highlight']			= t.do_highlight;
+			save['syntax']					= t.settings['syntax'];
+			save['text']					= t.textarea.value;
+			save['scroll_top']				= t.result.scrollTop;
+			save['scroll_left']				= t.result.scrollLeft;
+			save['selection_start']			= t.last_selection["selectionStart"];
+			save['selection_end']			= t.last_selection["selectionEnd"];
+			save['font_size']				= t.settings["font_size"];
+			save['font_family']				= t.settings["font_family"];
+			save['word_wrap']				= t.settings["word_wrap"];
+			save['toolbar']					= {'links':{}, 'selects': {}};
+			
+			// save toolbar buttons state for fileSpecific buttons
+			a_links= _$("toolbar_1").getElementsByTagName("a");
+			for( i=0; i<a_links.length; i++ )
+			{
+				if( a_links[i].getAttribute('fileSpecific') == 'yes' )
+				{
+					save_butt	= {};
+					img			= a_links[i].getElementsByTagName('img')[0];
+					save_butt['classLock']		= img.classLock;
+					save_butt['className']		= img.className;
+					save_butt['oldClassName']	= img.oldClassName;
+					
+					save['toolbar']['links'][a_links[i].id]= save_butt;
+				}
+			}
+			
+			// save toolbar select state for fileSpecific buttons
+			a_selects= _$("toolbar_1").getElementsByTagName("select");
+			for( i=0; i<a_selects.length; i++)
+			{
+				if(a_selects[i].getAttribute('fileSpecific')=='yes')
+				{
+					save['toolbar']['selects'][a_selects[i].id]= a_selects[i].value;
+				}
+			}
+				
+			t.files[id]= save;
+			
+			return save;
+		}
+		
+		return false;
+	};
+	
+	// update file_datas
+	EditArea.prototype.update_file= function(id, new_values){
+		for(var i in new_values)
+		{
+			this.files[id][i]= new_values[i];
+		}
+	};
+	
+	// display file datas
+	EditArea.prototype.display_file= function(id){
+		var t = this, a= t.textarea, new_file, a_lis, a_selects, a_links, a_options, i, j;
+		
+		// we're showing the empty file
+		if(id=='')
+		{
+			a.readOnly= true;
+			t.tab_browsing_area.style.display= "none";
+			_$("no_file_selected").style.display= "block";
+			t.result.className= "empty";
+			// clear current datas
+			if(!t.files[''])
+			{
+				t.open_file({id: ''});
+			}
+		}
+		// we try to show a non existent file, so we left
+		else if( typeof( t.files[id] ) == 'undefined' )
+		{
+			return false;
+		}
+		// display a normal file
+		else
+		{
+			t.result.className= "";
+			a.readOnly= !t.is_editable;
+			_$("no_file_selected").style.display= "none";
+			t.tab_browsing_area.style.display= "block";
+		}
+		
+		// ensure to have last state for undo/redo actions
+		t.check_redo(true);
+		t.check_undo(true);
+		t.curr_file= id;
+		
+		// replace selected tab file
+		a_lis= t.tab_browsing_area.getElementsByTagName('li');
+		for( i=0; i<a_lis.length; i++)
+		{
+			if(a_lis[i].id == t.files[id]['html_id'])
+				a_lis[i].className='selected';
+			else
+				a_lis[i].className='';
+		}
+		
+		// replace next files datas
+		new_file= t.files[id];
+	
+		// restore text content
+		a.value= new_file['text'];
+		
+		// restore font-size
+		t.set_font(new_file['font_family'], new_file['font_size']);
+		
+		// restore selection and scroll
+		t.area_select(new_file['last_selection']['selection_start'], new_file['last_selection']['selection_end'] - new_file['last_selection']['selection_start']);
+		t.manage_size(true);
+		t.result.scrollTop= new_file['scroll_top'];
+		t.result.scrollLeft= new_file['scroll_left'];
+		
+		// restore undo, redo
+		t.previous=	new_file['previous'];
+		t.next=	new_file['next'];
+		t.last_undo=	new_file['last_undo'];
+		t.check_redo(true);
+		t.check_undo(true);
+		
+		// restore highlight
+		t.execCommand("change_highlight", new_file['do_highlight']);
+		t.execCommand("change_syntax", new_file['syntax']);
+		
+		// smooth mode
+		t.execCommand("change_smooth_selection_mode", new_file['smooth_selection']);
+		
+		// word_wrap
+		t.execCommand("set_word_wrap", new_file['word_wrap']);
+			
+		// restore links state in toolbar
+		a_links= new_file['toolbar']['links'];
+		for( i in a_links)
+		{
+			if( img =  _$(i).getElementsByTagName('img')[0] )
+			{
+				img.classLock	= a_links[i]['classLock'];
+				img.className	= a_links[i]['className'];
+				img.oldClassName= a_links[i]['oldClassName'];
+			}
+		}
+		
+		// restore select state in toolbar
+		a_selects = new_file['toolbar']['selects'];
+		for( i in a_selects)
+		{
+			a_options	= _$(i).options;
+			for( j=0; j<a_options.length; j++)
+			{
+				if( a_options[j].value == a_selects[i] )
+					_$(i).options[j].selected=true;
+			}
+		}
+	
+	};
+
+	// change tab for displaying a new one
+	EditArea.prototype.switch_to_file= function(file_to_show, force_refresh){
+		if(file_to_show!=this.curr_file || force_refresh)
+		{
+			this.save_file(this.curr_file);
+			if(this.curr_file!='')
+				this.execCommand('file_switch_off', this.files[this.curr_file]);
+			this.display_file(file_to_show);
+			if(file_to_show!='')
+				this.execCommand('file_switch_on', this.files[file_to_show]);
+		}
+	};
+
+	// get all infos for the given file
+	EditArea.prototype.get_file= function(id){
+		if(id==this.curr_file)
+			this.save_file(id);
+		return this.files[id];
+	};
+	
+	// get all available files infos
+	EditArea.prototype.get_all_files= function(){
+		tmp_files= this.files;
+		this.save_file(this.curr_file);
+		if(tmp_files[''])
+			delete(this.files['']);
+		return tmp_files;
+	};
+	
+	
+	// check if the file has changed
+	EditArea.prototype.check_file_changes= function(){
+	
+		var id= this.curr_file;
+		if(this.files[id] && this.files[id]['compare_edited_text']!=undefined)
+		{
+			if(this.files[id]['compare_edited_text'].length==this.textarea.value.length && this.files[id]['compare_edited_text']==this.textarea.value)
+			{
+				if(this.files[id]['edited']!= false)
+					this.set_file_edited_mode(id, false);
+			}
+			else
+			{
+				if(this.files[id]['edited']!= true)
+					this.set_file_edited_mode(id, true);
+			}
+		}
+	};
+	
+	// set if the file is edited or not
+	EditArea.prototype.set_file_edited_mode= function(id, to){
+		// change CSS for edited tab
+		if(this.files[id] && _$(this.files[id]['html_id']))
+		{
+			var link= _$(this.files[id]['html_id']).getElementsByTagName('a')[0];
+			if(to==true)
+			{
+				link.className= 'edited';
+			}
+			else
+			{
+				link.className= '';
+				if(id==this.curr_file)
+					text= this.textarea.value;
+				else
+					text= this.files[id]['text'];
+				this.files[id]['compare_edited_text']= text;
+			}
+				
+			this.files[id]['edited']= to;
+		}
+	};
+
+	EditArea.prototype.set_show_line_colors = function(new_value){
+		this.show_line_colors = new_value;
+		
+		if( new_value )
+			this.selection_field.className	+= ' show_colors';
+		else
+			this.selection_field.className	= this.selection_field.className.replace( / show_colors/g, '' );
+	};
\ No newline at end of file