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

/******

 *

 *	EditArea 

 * 	Developped by Christophe Dolivet

 *	Released under LGPL license

 *

******/

	function EditArea(){

		this.error= false;	// to know if load is interrrupt

		this.inlinePopup= new Array({popup_id: "area_search_replace", icon_id: "search"},

									{popup_id: "edit_area_help", icon_id: "help"});

		this.plugins= new Object();

		this.line_number=0;

		this.nav=parent.editAreaLoader.nav; 	// navigator identification

		this.last_selection=new Object();		

		this.last_text_to_highlight="";

		this.last_hightlighted_text= "";

		this.syntax_list= new Array();

		this.allready_used_syntax= new Object();

		this.textareaFocused= false;

		this.previous= new Array();

		this.next= new Array();

		this.last_undo="";

		this.files= new Object();

		this.filesIdAssoc= new Object();

		this.curr_file= '';

		//this.loaded= false;

		this.assocBracket=new Object();

		this.revertAssocBracket= new Object();		

		// bracket selection init 

		this.assocBracket["("]=")";

		this.assocBracket["{"]="}";

		this.assocBracket["["]="]";		

		for(var index in this.assocBracket){

			this.revertAssocBracket[this.assocBracket[index]]=index;

		}

		/*this.textarea="";	

		this.state="declare";

		this.code = new Array(); // store highlight syntax for languagues*/

		// font datas

		this.lineHeight= 16;

		/*this.default_font_family= "monospace";

		this.default_font_size= 10;*/

		this.tab_nb_char= 8;	//nb of white spaces corresponding to a tabulation

		if(this.nav['isOpera'])

			this.tab_nb_char= 6;

		this.is_tabbing= false;

		this.fullscreen= {'isFull': false};

		this.isResizing=false;	// resize var

		// init with settings and ID

		this.id= area_id;

		this.settings= editAreas[this.id]["settings"];

		if((""+this.settings['replace_tab_by_spaces']).match(/^[0-9]+$/))

		{

			this.tab_nb_char= this.settings['replace_tab_by_spaces'];

			this.tabulation="";

			for(var i=0; i<this.tab_nb_char; i++)

				this.tabulation+=" ";

		}else{

			this.tabulation="\t";

		}

		// retrieve the init parameter for syntax

		if(this.settings["syntax_selection_allow"] && this.settings["syntax_selection_allow"].length>0)

			this.syntax_list= this.settings["syntax_selection_allow"].replace(/ /g,"").split(",");

		if(this.settings['syntax'])

			this.allready_used_syntax[this.settings['syntax']]=true;

	};

	//called by the toggle_on

	EditArea.prototype.update_size= function(){

		if(editAreas[editArea.id] && editAreas[editArea.id]["displayed"]==true){

			if(editArea.fullscreen['isFull']){	

				parent.document.getElementById("frame_"+editArea.id).style.width= parent.document.getElementsByTagName("html")[0].clientWidth + "px";

				parent.document.getElementById("frame_"+editArea.id).style.height= parent.document.getElementsByTagName("html")[0].clientHeight + "px";

			}

			if(editArea.tab_browsing_area.style.display=='block' && !editArea.nav['isIE'])

			{

				editArea.tab_browsing_area.style.height= "0px";

				editArea.tab_browsing_area.style.height= (editArea.result.offsetTop - editArea.tab_browsing_area.offsetTop -1)+"px";

			}

			var height= document.body.offsetHeight - editArea.get_all_toolbar_height() - 4;

			editArea.result.style.height= height +"px";

			var width=document.body.offsetWidth -2;

			editArea.result.style.width= width+"px";

			//alert("result h: "+ height+" w: "+width+"\ntoolbar h: "+this.get_all_toolbar_height()+"\nbody_h: "+document.body.offsetHeight);

			// check that the popups don't get out of the screen

			for(var i=0; i<editArea.inlinePopup.length; i++){

				var popup= document.getElementById(editArea.inlinePopup[i]["popup_id"]);

				var max_left= document.body.offsetWidth- popup.offsetWidth;

				var max_top= document.body.offsetHeight- popup.offsetHeight;

				if(popup.offsetTop>max_top)

					popup.style.top= max_top+"px";

				if(popup.offsetLeft>max_left)

					popup.style.left= max_left+"px";

			}

		}		

	};

	EditArea.prototype.init= function(){

		this.textarea= document.getElementById("textarea");

		this.container= document.getElementById("container");

		this.result= document.getElementById("result");

		this.content_highlight= document.getElementById("content_highlight");

		this.selection_field= document.getElementById("selection_field");

		this.processing_screen= document.getElementById("processing");

		this.editor_area= document.getElementById("editor");

		this.tab_browsing_area= document.getElementById("tab_browsing_area");

		if(syntax_selec= document.getElementById("syntax_selection"))

		{

			// set up syntax selection lsit in the toolbar

			for(var i=0; i<this.syntax_list.length; i++) {

				var syntax= this.syntax_list[i];

				var option= document.createElement("option");

				option.value= syntax;

				if(syntax==this.settings['syntax'])

					option.selected= "selected";

				option.innerHTML= this.get_translation("syntax_" + syntax, "word");

				syntax_selec.appendChild(option);

			}

		}

		// add plugins buttons in the toolbar

		spans= parent.getChildren(document.getElementById("toolbar_1"), "span", "", "", "all", -1);

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

			id=spans[i].id.replace(/tmp_tool_(.*)/, "$1");

			if(id!= spans[i].id){

				for(var j in this.plugins){

					if(typeof(this.plugins[j].get_control_html)=="function" ){

						html=this.plugins[j].get_control_html(id);

						if(html!=false){

							html= this.get_translation(html, "template");

							var new_span= document.createElement("span");

							new_span.innerHTML= html;				

							var father= spans[i].parentNode;

							spans[i].parentNode.replaceChild(new_span, spans[i]);	

							break; // exit the for loop					

						}

					}

				}

			}

		}

		// init datas

		this.textarea.value=editAreas[this.id]["textarea"].value;

		if(this.settings["debug"])

			this.debug=parent.document.getElementById("edit_area_debug_"+this.id);

		// init size		

		//this.update_size();

		if(document.getElementById("redo") != null)

			this.switchClassSticky(document.getElementById("redo"), 'editAreaButtonDisabled', true);

		// insert css rules for highlight mode		

		if(typeof(parent.editAreaLoader.syntax[this.settings["syntax"]])!="undefined"){

			for(var i in parent.editAreaLoader.syntax){

				this.add_style(parent.editAreaLoader.syntax[i]["styles"]);

			}

		}

		// init key events

		if(this.nav['isOpera'])

			document.getElementById("editor").onkeypress= keyDown;

		else

			document.getElementById("editor").onkeydown= keyDown;

	/*	if(this.nav['isIE'] || this.nav['isFirefox'])

			this.textarea.onkeydown= keyDown;

		else if

			this.textarea.onkeypress= keyDown;*/

		for(var i=0; i<this.inlinePopup.length; i++){

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

				document.getElementById(this.inlinePopup[i]["popup_id"]).onkeydown= keyDown;

			else

				document.getElementById(this.inlinePopup[i]["popup_id"]).onkeypress= keyDown;

		}

		if(this.settings["allow_resize"]=="both" || this.settings["allow_resize"]=="x" || this.settings["allow_resize"]=="y")

			this.allow_resize(true);

		parent.editAreaLoader.toggle(this.id, "on");

		//this.textarea.focus();

		// line selection init

		this.change_smooth_selection_mode(editArea.smooth_selection);

		// highlight

		this.execCommand("change_highlight", this.settings["start_highlight"]);

		// get font size datas		

		this.set_font(editArea.settings["font_family"], editArea.settings["font_size"]);

		// set unselectable text

		children= parent.getChildren(document.body, "", "selec", "none", "all", -1);

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

			if(this.nav['isIE'])

				children[i].unselectable = true; // IE

			else

				children[i].onmousedown= function(){return false};

		/*	children[i].style.MozUserSelect = "none"; // Moz

			children[i].style.KhtmlUserSelect = "none";  // Konqueror/Safari*/

		}

		if(this.nav['isGecko']){

			this.textarea.spellcheck= this.settings["gecko_spellcheck"];

		}

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

			this.editor_area.style.position= "absolute";

			this.selection_field.style.marginTop= "-1pt";			

			this.selection_field.style.paddingTop= "1pt";

			document.getElementById("cursor_pos").style.marginTop= "-1pt";

			document.getElementById("end_bracket").style.marginTop= "-1pt";

			this.content_highlight.style.marginTop= "-1pt";

			/*document.getElementById("end_bracket").style.marginTop="1px";*/

		}

		if(this.nav['isSafari']){

			this.editor_area.style.position= "absolute";

			this.selection_field.style.marginTop= "-1pt";			

			this.selection_field.style.paddingTop= "1pt";

			this.selection_field.style.marginLeft= "3px";			

			this.content_highlight.style.marginTop= "-1pt";

			this.content_highlight.style.marginLeft= "3px";

			document.getElementById("cursor_pos").style.marginLeft= "3px";	

			document.getElementById("end_bracket").style.marginLeft= "3px";	

		}

		// si le textarea n'est pas grand, un click sous le textarea doit provoquer un focus sur le textarea

		parent.editAreaLoader.add_event(this.result, "click", function(e){ if((e.target || e.srcElement)==editArea.result) { editArea.area_select(editArea.textarea.value.length, 0);}  });

		if(this.settings['is_multi_files']!=false)

			this.open_file({'id': this.curr_file, 'text': ''});

		setTimeout("editArea.focus();editArea.manage_size();editArea.execCommand('EA_load');", 10);		

		//start checkup routine

		this.check_undo();

		this.check_line_selection(true);

		this.scroll_to_view();

		for(var i in this.plugins){

			if(typeof(this.plugins[i].onload)=="function")

				this.plugins[i].onload();

		}

		if(this.settings['fullscreen']==true)

			this.toggle_full_screen(true);

		parent.editAreaLoader.add_event(window, "resize", editArea.update_size);

		parent.editAreaLoader.add_event(parent.window, "resize", editArea.update_size);

		parent.editAreaLoader.add_event(top.window, "resize", editArea.update_size);

		parent.editAreaLoader.add_event(window, "unload", function(){if(editAreas[editArea.id] && editAreas[editArea.id]["displayed"]) editArea.execCommand("EA_unload");});

		/*date= new Date();

		alert(date.getTime()- parent.editAreaLoader.start_time);*/

	};

	EditArea.prototype.manage_size= function(onlyOneTime){

		if(!editAreas[this.id])

			return false;

		if(editAreas[this.id]["displayed"]==true && this.textareaFocused)

		{

			var resized= false;

			//1) Manage display width

			//1.1) Calc the new width to use for display

			var area_width= this.textarea.scrollWidth;

			var area_height= this.textarea.scrollHeight;

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

				area_height= this.last_selection['nb_line']*this.lineHeight;

				area_width=10000; /* TODO: find a better way to fix the width problem */								

			}

			if(this.nav['isIE']>=7)

				area_width-=45;

			if(this.nav['isGecko'] && this.smooth_selection && this.last_selection["nb_line"])

				area_height= this.last_selection["nb_line"]*this.lineHeight;

			//1.2) the width is not the same, we must resize elements

			if(this.textarea.previous_scrollWidth!=area_width)

			{	

				if(!this.nav['isOpera'] && this.textarea.style.width && (this.textarea.style.width.replace("px","") < area_width))

					area_width+=50;

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

					this.container.style.width= (area_width+45)+"px";

				else

					this.container.style.width= area_width+"px";

				this.textarea.style.width= area_width+"px";

				this.content_highlight.style.width= area_width+"px";	

				this.textarea.previous_scrollWidth=area_width;

				resized=true;

			}	

			//2) Manage display height

			//2.1) Calc the new height to use for display

			var area_height = this.textarea.scrollHeight;

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

				area_height= this.last_selection['nb_line']*this.lineHeight;

			}

			if(this.nav['isGecko'] && this.smooth_selection && this.last_selection["nb_line"])

				area_height= this.last_selection["nb_line"]*this.lineHeight;

			//2.2) the width is not the same, we must resize elements 

			if(this.textarea.previous_scrollHeight!=area_height)	

			{	

				this.container.style.height= (area_height+2)+"px";

				this.textarea.style.height= area_height+"px";

				this.content_highlight.style.height= area_height+"px";	

				this.textarea.previous_scrollHeight= area_height;

				resized=true;

			}

			//3) if there is new lines, we add new line numbers in the line numeration area

			if(this.last_selection["nb_line"] >= this.line_number)

			{

				var div_line_number="";

				for(i=this.line_number+1; i<this.last_selection["nb_line"]+100; i++)

				{

					div_line_number+=i+"<br />";

					this.line_number++;

				}

				var span= document.createElement("span");

				if(this.nav['isIE'])

					span.unselectable=true;

				span.innerHTML=div_line_number;         

				document.getElementById("line_number").appendChild(span);       

			}

			//4) be sure the text is well displayed

			this.textarea.scrollTop="0px";

			this.textarea.scrollLeft="0px";

			if(resized==true){

				this.scroll_to_view();

			}

		}

		if(!onlyOneTime)

			setTimeout("editArea.manage_size();", 100);

	};

	EditArea.prototype.add_event = function(obj, name, handler) {

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

			obj.attachEvent("on" + name, handler);

		} else{

			obj.addEventListener(name, handler, false);

		}

	};

	EditArea.prototype.execCommand= function(cmd, param){

		for(var i in this.plugins){

			if(typeof(this.plugins[i].execCommand)=="function"){

				if(!this.plugins[i].execCommand(cmd, param))

					return;

			}

		}

		switch(cmd){

			case "save":

				if(this.settings["save_callback"].length>0)

					eval("parent."+this.settings["save_callback"]+"('"+ this.id +"', editArea.textarea.value);");

				break;

			case "load":

				if(this.settings["load_callback"].length>0)

					eval("parent."+this.settings["load_callback"]+"('"+ this.id +"');");

				break;

			case "onchange":

				if(this.settings["change_callback"].length>0)

					eval("parent."+this.settings["change_callback"]+"('"+ this.id +"');");

				break;		

			case "EA_load":

				if(this.settings["EA_load_callback"].length>0)

					eval("parent."+this.settings["EA_load_callback"]+"('"+ this.id +"');");

				break;

			case "EA_unload":

				if(this.settings["EA_unload_callback"].length>0)

					eval("parent."+this.settings["EA_unload_callback"]+"('"+ this.id +"');");

				break;

			case "toggle_on":

				if(this.settings["EA_toggle_on_callback"].length>0)

					eval("parent."+this.settings["EA_toggle_on_callback"]+"('"+ this.id +"');");

				break;

			case "toggle_off":

				if(this.settings["EA_toggle_off_callback"].length>0)

					eval("parent."+this.settings["EA_toggle_off_callback"]+"('"+ this.id +"');");

				break;

			case "re_sync":

				if(!this.do_highlight)

					break;

			case "file_switch_on":

				if(this.settings["EA_file_switch_on_callback"].length>0)

					eval("parent."+this.settings["EA_file_switch_on_callback"]+"(param);");

				break;

			case "file_switch_off":

				if(this.settings["EA_file_switch_off_callback"].length>0)

					eval("parent."+this.settings["EA_file_switch_off_callback"]+"(param);");

				break;

			case "file_close":

				if(this.settings["EA_file_close_callback"].length>0)

					return eval("parent."+this.settings["EA_file_close_callback"]+"(param);");

				break;

			default:

				if(typeof(eval("editArea."+cmd))=="function")

				{

					if(this.settings["debug"])

						eval("editArea."+ cmd +"(param);");

					else

						try{eval("editArea."+ cmd +"(param);");}catch(e){};

				}

		}

	};

	EditArea.prototype.get_translation= function(word, mode){

		if(mode=="template")

			return parent.editAreaLoader.translate(word, this.settings["language"], mode);

		else

			return parent.editAreaLoader.get_word_translation(word, this.settings["language"]);

	};

	EditArea.prototype.add_plugin= function(plug_name, plug_obj){

		for(var i=0; i<this.settings["plugins"].length; i++){

			if(this.settings["plugins"][i]==plug_name){

				this.plugins[plug_name]=plug_obj;

				plug_obj.baseURL=parent.editAreaLoader.baseURL + "plugins/" + plug_name + "/";

				if( typeof(plug_obj.init)=="function" )

					plug_obj.init();

			}

		}

	};

	EditArea.prototype.load_css= function(url){

		try{

			link = document.createElement("link");

			link.type = "text/css";

			link.rel= "stylesheet";

			link.media="all";

			link.href = url;

			head = document.getElementsByTagName("head");

			head[0].appendChild(link);

		}catch(e){

			document.write("<link href='"+ url +"' rel='stylesheet' type='text/css' />");

		}

	};

	EditArea.prototype.load_script= function(url){

		try{

			script = document.createElement("script");

			script.type = "text/javascript";

			script.src  = url;

			head = document.getElementsByTagName("head");

			head[0].appendChild(script);

		}catch(e){

			document.write("<script type='text/javascript' src='" + url + "'><"+"/script>");

		}

	};

	// add plugin translation to language translation array

	EditArea.prototype.add_lang= function(language, values){

		if(!parent.editAreaLoader.lang[language])

			parent.editAreaLoader.lang[language]=new Object();

		for(var i in values)

			parent.editAreaLoader.lang[language][i]= values[i];

	};

	var editArea = new EditArea();	

	editArea.add_event(window, "load", init);

	function init(){		

		setTimeout("editArea.init();  ", 10);

	};