CodeMirror bookamarklet

cloudMirror.js

/* turns first found textArea - looks like CodeMirror editor */
var editor;
function setStyle(){
	var element= document.createElement('style');	
	element.media='screen';
	element.type='text/css';
	element.innerText='@import url(//fonts.googleapis.com/css?family=Droid+Sans+Mono);'+
		'.CodeMirror{'+
			'font-family:\'Droid Sans Mono\';'+
			'font-size:15px;'+
			'resize:vertical;'+
		'}'+
		'.CodeMirror-scroll{'+
			'height:480px;'+
		'}';
	document.head.appendChild(element);
}

function cssLoad(src){
	var element= document.createElement('link');	

	element.rel='stylesheet';
	element.href=src;
	document.head.appendChild(element);
}

function jsload(src,func,async,body){    
    var id=src;
    //если скрипт еще не загружен
    if(!document.getElementById(id))
    {
        var element = document.createElement("script");
        element.src = src;
        element.id=id;
        if(arguments.length>=2){
            element.onload=func;
            if(arguments.length>=3){
				if(arguments.length>=4){
					element.innerHtml=body;
				}				
			}else element.async=true;
        }
        document.body.appendChild(element);
    }
}


jsload('http://codemirror.net/lib/codemirror.js',load_all,false);

function load_all(){	
	cssLoad('http://codemirror.net/lib/codemirror.css');
	cssLoad('http://codemirror.net/theme/night.css');
	setStyle();

	jsload('http://codemirror.net/mode/xml/xml.js',setTextArea);
}



function setTextArea(){
		var lTextErea=document.getElementsByTagName('textarea');
		if(lTextErea.length){
			editor=CodeMirror.fromTextArea(lTextErea[0],{ 
				mode        : "xml",  
				htmlMode    : true,
				theme       : 'night',
				lineNumbers : true,
				//переносим длинные строки
				lineWrapping: true,
				extraKeys: {
					//Сохранение
					"Ctrl-S": (function() {
						if(document.getElementById('save'))
							save.click();
					})
				}
			});
		}
}