/*
 * Ext JS Library 2.0
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */


Ext.DomHelper = function(){
    var tempTableEl = null;
    var emptyTags = /^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i;
    var tableRe = /^table|tbody|tr|td$/i;
    
        
    var createHtml = function(o){
        if(typeof o == 'string'){
            return o;
        }
        var b = "";
        if(!o.tag){
            o.tag = "div";
        }
        b += "<" + o.tag;
        for(var attr in o){
            if(attr == "tag" || attr == "children" || attr == "cn" || attr == "html" || typeof o[attr] == "function") continue;
            if(attr == "style"){
                var s = o["style"];
                if(typeof s == "function"){
                    s = s.call();
                }
                if(typeof s == "string"){
                    b += ' style="' + s + '"';
                }else if(typeof s == "object"){
                    b += ' style="';
                    for(var key in s){
                        if(typeof s[key] != "function"){
                            b += key + ":" + s[key] + ";";
                        }
                    }
                    b += '"';
                }
            }else{
                if(attr == "cls"){
                    b += ' class="' + o["cls"] + '"';
                }else if(attr == "htmlFor"){
                    b += ' for="' + o["htmlFor"] + '"';
                }else{
                    b += " " + attr + '="' + o[attr] + '"';
                }
            }
        }
        if(emptyTags.test(o.tag)){
            b += "/>";
        }else{
            b += ">";
            var cn = o.children || o.cn;
            if(cn){
                if(cn instanceof Array){
                    for(var i = 0, len = cn.length; i < len; i++) {
                        b += createHtml(cn[i], b);
                    }
                }else{
                    b += createHtml(cn, b);
                }
            }
            if(o.html){
                b += o.html;
            }
            b += "</" + o.tag + ">";
        }
        return b;
    };

        
    var createDom = function(o, parentNode){
        var el = document.createElement(o.tag||'div');
        var useSet = el.setAttribute ? true : false;         for(var attr in o){
            if(attr == "tag" || attr == "children" || attr == "cn" || attr == "html" || attr == "style" || typeof o[attr] == "function") continue;
            if(attr=="cls"){
                el.className = o["cls"];
            }else{
                if(useSet) el.setAttribute(attr, o[attr]);
                else el[attr] = o[attr];
            }
        }
        Ext.DomHelper.applyStyles(el, o.style);
        var cn = o.children || o.cn;
        if(cn){
            if(cn instanceof Array){
                for(var i = 0, len = cn.length; i < len; i++) {
                    createDom(cn[i], el);
                }
            }else{
                createDom(cn, el);
            }
        }
        if(o.html){
            el.innerHTML = o.html;
        }
        if(parentNode){
           parentNode.appendChild(el);
        }
        return el;
    };

    var ieTable = function(depth, s, h, e){
        tempTableEl.innerHTML = [s, h, e].join('');
        var i = -1, el = tempTableEl;
        while(++i < depth){
            el = el.firstChild;
        }
        return el;
    };

        var ts = '<table>',
        te = '</table>',
        tbs = ts+'<tbody>',
        tbe = '</tbody>'+te,
        trs = tbs + '<tr>',
        tre = '</tr>'+tbe;

    
    var insertIntoTable = function(tag, where, el, html){
        if(!tempTableEl){
            tempTableEl = document.createElement('div');
        }
        var node;
        var before = null;
        if(tag == 'td'){
            if(where == 'afterbegin' || where == 'beforeend'){                 return;
            }
            if(where == 'beforebegin'){
                before = el;
                el = el.parentNode;
            } else{
                before = el.nextSibling;
                el = el.parentNode;
            }
            node = ieTable(4, trs, html, tre);
        }
        else if(tag == 'tr'){
            if(where == 'beforebegin'){
                before = el;
                el = el.parentNode;
                node = ieTable(3, tbs, html, tbe);
            } else if(where == 'afterend'){
                before = el.nextSibling;
                el = el.parentNode;
                node = ieTable(3, tbs, html, tbe);
            } else{                 if(where == 'afterbegin'){
                    before = el.firstChild;
                }
                node = ieTable(4, trs, html, tre);
            }
        } else if(tag == 'tbody'){
            if(where == 'beforebegin'){
                before = el;
                el = el.parentNode;
                node = ieTable(2, ts, html, te);
            } else if(where == 'afterend'){
                before = el.nextSibling;
                el = el.parentNode;
                node = ieTable(2, ts, html, te);
            } else{
                if(where == 'afterbegin'){
                    before = el.firstChild;
                }
                node = ieTable(3, tbs, html, tbe);
            }
        } else{             if(where == 'beforebegin' || where == 'afterend'){                 return;
            }
            if(where == 'afterbegin'){
                before = el.firstChild;
            }
            node = ieTable(2, ts, html, te);
        }
        el.insertBefore(node, before);
        return node;
    };


    return {
    
    useDom : false,

    
    markup : function(o){
        return createHtml(o);
    },

    
    applyStyles : function(el, styles){
        if(styles){
           el = Ext.fly(el);
           if(typeof styles == "string"){
               var re = /\s?([a-z\-]*)\:\s?([^;]*);?/gi;
               var matches;
               while ((matches = re.exec(styles)) != null){
                   el.setStyle(matches[1], matches[2]);
               }
           }else if (typeof styles == "object"){
               for (var style in styles){
                  el.setStyle(style, styles[style]);
               }
           }else if (typeof styles == "function"){
                Ext.DomHelper.applyStyles(el, styles.call());
           }
        }
    },

    
    insertHtml : function(where, el, html){
        where = where.toLowerCase();
        if(el.insertAdjacentHTML){
            if(tableRe.test(el.tagName)){
                var rs;
                if(rs = insertIntoTable(el.tagName.toLowerCase(), where, el, html)){
                    return rs;
                }
            }
            switch(where){
                case "beforebegin":
                    el.insertAdjacentHTML('BeforeBegin', html);
                    return el.previousSibling;
                case "afterbegin":
                    el.insertAdjacentHTML('AfterBegin', html);
                    return el.firstChild;
                case "beforeend":
                    el.insertAdjacentHTML('BeforeEnd', html);
                    return el.lastChild;
                case "afterend":
                    el.insertAdjacentHTML('AfterEnd', html);
                    return el.nextSibling;
            }
            throw 'Illegal insertion point -> "' + where + '"';
        }
        var range = el.ownerDocument.createRange();
        var frag;
        switch(where){
             case "beforebegin":
                range.setStartBefore(el);
                frag = range.createContextualFragment(html);
                el.parentNode.insertBefore(frag, el);
                return el.previousSibling;
             case "afterbegin":
                if(el.firstChild){
                    range.setStartBefore(el.firstChild);
                    frag = range.createContextualFragment(html);
                    el.insertBefore(frag, el.firstChild);
                    return el.firstChild;
                }else{
                    el.innerHTML = html;
                    return el.firstChild;
                }
            case "beforeend":
                if(el.lastChild){
                    range.setStartAfter(el.lastChild);
                    frag = range.createContextualFragment(html);
                    el.appendChild(frag);
                    return el.lastChild;
                }else{
                    el.innerHTML = html;
                    return el.lastChild;
                }
            case "afterend":
                range.setStartAfter(el);
                frag = range.createContextualFragment(html);
                el.parentNode.insertBefore(frag, el.nextSibling);
                return el.nextSibling;
            }
            throw 'Illegal insertion point -> "' + where + '"';
    },

    
    insertBefore : function(el, o, returnElement){
        return this.doInsert(el, o, returnElement, "beforeBegin");
    },

    
    insertAfter : function(el, o, returnElement){
        return this.doInsert(el, o, returnElement, "afterEnd", "nextSibling");
    },

    
    insertFirst : function(el, o, returnElement){
        return this.doInsert(el, o, returnElement, "afterBegin", "firstChild");
    },

        doInsert : function(el, o, returnElement, pos, sibling){
        el = Ext.getDom(el);
        var newNode;
        if(this.useDom){
            newNode = createDom(o, null);
            (sibling === "firstChild" ? el : el.parentNode).insertBefore(newNode, sibling ? el[sibling] : el);
        }else{
            var html = createHtml(o);
            newNode = this.insertHtml(pos, el, html);
        }
        return returnElement ? Ext.get(newNode, true) : newNode;
    },

    
    append : function(el, o, returnElement){
        el = Ext.getDom(el);
        var newNode;
        if(this.useDom){
            newNode = createDom(o, null);
            el.appendChild(newNode);
        }else{
            var html = createHtml(o);
            newNode = this.insertHtml("beforeEnd", el, html);
        }
        return returnElement ? Ext.get(newNode, true) : newNode;
    },

    
    overwrite : function(el, o, returnElement){
        el = Ext.getDom(el);
        el.innerHTML = createHtml(o);
        return returnElement ? Ext.get(el.firstChild, true) : el.firstChild;
    },

    
    createTemplate : function(o){
        var html = createHtml(o);
        return new Ext.Template(html);
    }
    };
}();

Ext.Template = function(html){
    var a = arguments;
    if(html instanceof Array){
        html = html.join("");
    }else if(a.length > 1){
        var buf = [];
        for(var i = 0, len = a.length; i < len; i++){
            if(typeof a[i] == 'object'){
                Ext.apply(this, a[i]);
            }else{
                buf[buf.length] = a[i];
            }
        }
        html = buf.join('');
    }
    
    this.html = html;
    if(this.compiled){
        this.compile();   
    }
};
Ext.Template.prototype = {
    
    applyTemplate : function(values){
        if(this.compiled){
            return this.compiled(values);
        }
        var useF = this.disableFormats !== true;
        var fm = Ext.util.Format, tpl = this;
        var fn = function(m, name, format, args){
            if(format && useF){
                if(format.substr(0, 5) == "this."){
                    return tpl.call(format.substr(5), values[name], values);
                }else{
                    if(args){
                                                                                                var re = /^\s*['"](.*)["']\s*$/;
                        args = args.split(',');
                        for(var i = 0, len = args.length; i < len; i++){
                            args[i] = args[i].replace(re, "$1");
                        }
                        args = [values[name]].concat(args);
                    }else{
                        args = [values[name]];
                    }
                    return fm[format].apply(fm, args);
                }
            }else{
                return values[name] !== undefined ? values[name] : "";
            }
        };
        return this.html.replace(this.re, fn);
    },
    
    
    set : function(html, compile){
        this.html = html;
        this.compiled = null;
        if(compile){
            this.compile();
        }
        return this;
    },
    
    
    disableFormats : false,
    
    
    re : /\{([\w-]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?\}/g,
    
    
    compile : function(){
        var fm = Ext.util.Format;
        var useF = this.disableFormats !== true;
        var sep = Ext.isGecko ? "+" : ",";
        var fn = function(m, name, format, args){
            if(format && useF){
                args = args ? ',' + args : "";
                if(format.substr(0, 5) != "this."){
                    format = "fm." + format + '(';
                }else{
                    format = 'this.call("'+ format.substr(5) + '", ';
                    args = ", values";
                }
            }else{
                args= ''; format = "(values['" + name + "'] == undefined ? '' : ";
            }
            return "'"+ sep + format + "values['" + name + "']" + args + ")"+sep+"'";
        };
        var body;