/*!
 * Ext JS Library 3.2.0
 * Copyright(c) 2006-2010 Ext JS, Inc.
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
/** * @class Ext.XTemplate * @extends Ext.Template *

A template class that supports advanced functionality like:

*

XTemplate provides the templating mechanism built into:

* *

For example usage {@link #XTemplate see the constructor}.

* * @constructor * The {@link Ext.Template#Template Ext.Template constructor} describes * the acceptable parameters to pass to the constructor. The following * examples demonstrate all of the supported features.

* *
* * @param {Mixed} config */ Ext.XTemplate = function(){ Ext.XTemplate.superclass.constructor.apply(this, arguments); var me = this, s = me.html, re = /]*>((?:(?=([^<]+))\2|<(?!tpl\b[^>]*>))*?)<\/tpl>/, nameRe = /^]*?for="(.*?)"/, ifRe = /^]*?if="(.*?)"/, execRe = /^]*?exec="(.*?)"/, m, id = 0, tpls = [], VALUES = 'values', PARENT = 'parent', XINDEX = 'xindex', XCOUNT = 'xcount', RETURN = 'return ', WITHVALUES = 'with(values){ '; s = ['', s, ''].join(''); while((m = s.match(re))){ var m2 = m[0].match(nameRe), m3 = m[0].match(ifRe), m4 = m[0].match(execRe), exp = null, fn = null, exec = null, name = m2 && m2[1] ? m2[1] : ''; if (m3) { exp = m3 && m3[1] ? m3[1] : null; if(exp){ fn = new Function(VALUES, PARENT, XINDEX, XCOUNT, WITHVALUES + RETURN +(Ext.util.Format.htmlDecode(exp))+'; }'); } } if (m4) { exp = m4 && m4[1] ? m4[1] : null; if(exp){ exec = new Function(VALUES, PARENT, XINDEX, XCOUNT, WITHVALUES +(Ext.util.Format.htmlDecode(exp))+'; }'); } } if(name){ switch(name){ case '.': name = new Function(VALUES, PARENT, WITHVALUES + RETURN + VALUES + '; }'); break; case '..': name = new Function(VALUES, PARENT, WITHVALUES + RETURN + PARENT + '; }'); break; default: name = new Function(VALUES, PARENT, WITHVALUES + RETURN + name + '; }'); } } tpls.push({ id: id, target: name, exec: exec, test: fn, body: m[1]||'' }); s = s.replace(m[0], '{xtpl'+ id + '}'); ++id; } Ext.each(tpls, function(t) { me.compileTpl(t); }); me.master = tpls[tpls.length-1]; me.tpls = tpls; }; Ext.extend(Ext.XTemplate, Ext.Template, { // private re : /\{([\w-\.\#]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?(\s?[\+\-\*\\]\s?[\d\.\+\-\*\\\(\)]+)?\}/g, // private codeRe : /\{\[((?:\\\]|.|\n)*?)\]\}/g, // private applySubTemplate : function(id, values, parent, xindex, xcount){ var me = this, len, t = me.tpls[id], vs, buf = []; if ((t.test && !t.test.call(me, values, parent, xindex, xcount)) || (t.exec && t.exec.call(me, values, parent, xindex, xcount))) { return ''; } vs = t.target ? t.target.call(me, values, parent) : values; len = vs.length; parent = t.target ? values : parent; if(t.target && Ext.isArray(vs)){ Ext.each(vs, function(v, i) { buf[buf.length] = t.compiled.call(me, v, parent, i+1, len); }); return buf.join(''); } return t.compiled.call(me, vs, parent, xindex, xcount); }, // private compileTpl : function(tpl){ var fm = Ext.util.Format, useF = this.disableFormats !== true, sep = Ext.isGecko ? "+" : ",", body; function fn(m, name, format, args, math){ if(name.substr(0, 4) == 'xtpl'){ return "'"+ sep +'this.applySubTemplate('+name.substr(4)+', values, parent, xindex, xcount)'+sep+"'"; } var v; if(name === '.'){ v = 'values'; }else if(name === '#'){ v = 'xindex'; }else if(name.indexOf('.') != -1){ v = name; }else{ v = "values['" + name + "']"; } if(math){ v = '(' + v + math + ')'; } 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 = "("+v+" === undefined ? '' : "; } return "'"+ sep + format + v + args + ")"+sep+"'"; } function codeFn(m, code){ // Single quotes get escaped when the template is compiled, however we want to undo this when running code. return "'" + sep + '(' + code.replace(/\\'/g, "'") + ')' + sep + "'"; } // branched to use + in gecko and [].join() in others if(Ext.isGecko){ body = "tpl.compiled = function(values, parent, xindex, xcount){ return '" + tpl.body.replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn).replace(this.codeRe, codeFn) + "';};"; }else{ body = ["tpl.compiled = function(values, parent, xindex, xcount){ return ['"]; body.push(tpl.body.replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn).replace(this.codeRe, codeFn)); body.push("'].join('');};"); body = body.join(''); } eval(body); return this; },
/** * Returns an HTML fragment of this template with the specified values applied. * @param {Object} values The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'}) * @return {String} The HTML fragment */ applyTemplate : function(values){ return this.master.compiled.call(this, values, {}, 1, 1); },
/** * Compile the template to a function for optimized performance. Recommended if the template will be used frequently. * @return {Function} The compiled function */ compile : function(){return this;}
/** * @property re * @hide */
/** * @property disableFormats * @hide */
/** * @method set * @hide */ });
/** * Alias for {@link #applyTemplate} * Returns an HTML fragment of this template with the specified values applied. * @param {Object/Array} values The template values. Can be an array if your params are numeric (i.e. {0}) or an object (i.e. {foo: 'bar'}) * @return {String} The HTML fragment * @member Ext.XTemplate * @method apply */ Ext.XTemplate.prototype.apply = Ext.XTemplate.prototype.applyTemplate;
/** * Creates a template from the passed element's value (display:none textarea, preferred) or innerHTML. * @param {String/HTMLElement} el A DOM element or its id * @return {Ext.Template} The created template * @static */ Ext.XTemplate.from = function(el){ el = Ext.getDom(el); return new Ext.XTemplate(el.value || el.innerHTML); };