4 * Copyright(c) 2006-2007, Ext JS, LLC.
6 * Originally Released Under LGPL - original licence link has changed is not relivant.
9 * <script type="text/javascript">
14 * Represents an HTML fragment template. Templates can be precompiled for greater performance.
15 * For a list of available format functions, see {@link Roo.util.Format}.<br />
18 var t = new Roo.Template(
19 '<div name="{id}">',
20 '<span class="{cls}">{name:trim} {value:ellipsis(10)}</span>',
23 t.append('some-element', {id: 'myid', cls: 'myclass', name: 'foo', value: 'bar'});
25 * For more information see this blog post with examples: <a href="http://www.jackslocum.com/yui/2006/10/06/domhelper-create-elements-using-dom-html-fragments-or-templates/">DomHelper - Create Elements using DOM, HTML fragments and Templates</a>.
27 * @param {String/Array} html The HTML fragment or an array of fragments to join("") or multiple arguments to join("")
29 Roo.Template = function(html){
30 if(html instanceof Array){
32 }else if(arguments.length > 1){
33 html = Array.prototype.join.call(arguments, "");
39 Roo.Template.prototype = {
41 * Returns an HTML fragment of this template with the specified values applied.
42 * @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'})
43 * @return {String} The HTML fragment
45 applyTemplate : function(values){
47 return this.compiled(values);
49 var useF = this.disableFormats !== true;
50 var fm = Roo.util.Format, tpl = this;
51 var fn = function(m, name, format, args){
53 if(format.substr(0, 5) == "this."){
54 return tpl.call(format.substr(5), values[name], values);
57 // quoted values are required for strings in compiled templates,
58 // but for non compiled we need to strip them
59 // quoted reversed for jsmin
60 var re = /^\s*['"](.*)["']\s*$/;
61 args = args.split(',');
62 for(var i = 0, len = args.length; i < len; i++){
63 args[i] = args[i].replace(re, "$1");
65 args = [values[name]].concat(args);
67 args = [values[name]];
69 return fm[format].apply(fm, args);
72 return values[name] !== undefined ? values[name] : "";
75 return this.html.replace(this.re, fn);
79 * Sets the HTML used as the template and optionally compiles it.
80 * @param {String} html
81 * @param {Boolean} compile (optional) True to compile the template (defaults to undefined)
82 * @return {Roo.Template} this
84 set : function(html, compile){
94 * True to disable format functions (defaults to false)
97 disableFormats : false,
100 * The regular expression used to match template variables
104 re : /\{([\w-]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?\}/g,
107 * Compiles the template into an internal function, eliminating the RegEx overhead.
108 * @return {Roo.Template} this
110 compile : function(){
111 var fm = Roo.util.Format;
112 var useF = this.disableFormats !== true;
113 var sep = Roo.isGecko ? "+" : ",";
114 var fn = function(m, name, format, args){
116 args = args ? ',' + args : "";
117 if(format.substr(0, 5) != "this."){
118 format = "fm." + format + '(';
120 format = 'this.call("'+ format.substr(5) + '", ';
124 args= ''; format = "(values['" + name + "'] == undefined ? '' : ";
126 return "'"+ sep + format + "values['" + name + "']" + args + ")"+sep+"'";
129 // branched to use + in gecko and [].join() in others
131 body = "this.compiled = function(values){ return '" +
132 this.html.replace(/\\/g, '\\\\').replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn) +
135 body = ["this.compiled = function(values){ return ['"];
136 body.push(this.html.replace(/\\/g, '\\\\').replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn));
137 body.push("'].join('');};");
138 body = body.join('');
148 // private function used to call members
149 call : function(fnName, value, allValues){
150 return this[fnName](value, allValues);
154 * Applies the supplied values to the template and inserts the new node(s) as the first child of el.
155 * @param {String/HTMLElement/Roo.Element} el The context element
156 * @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'})
157 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
158 * @return {HTMLElement/Roo.Element} The new node or Element
160 insertFirst: function(el, values, returnElement){
161 return this.doInsert('afterBegin', el, values, returnElement);
165 * Applies the supplied values to the template and inserts the new node(s) before el.
166 * @param {String/HTMLElement/Roo.Element} el The context element
167 * @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'})
168 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
169 * @return {HTMLElement/Roo.Element} The new node or Element
171 insertBefore: function(el, values, returnElement){
172 return this.doInsert('beforeBegin', el, values, returnElement);
176 * Applies the supplied values to the template and inserts the new node(s) after el.
177 * @param {String/HTMLElement/Roo.Element} el The context element
178 * @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'})
179 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
180 * @return {HTMLElement/Roo.Element} The new node or Element
182 insertAfter : function(el, values, returnElement){
183 return this.doInsert('afterEnd', el, values, returnElement);
187 * Applies the supplied values to the template and appends the new node(s) to el.
188 * @param {String/HTMLElement/Roo.Element} el The context element
189 * @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'})
190 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
191 * @return {HTMLElement/Roo.Element} The new node or Element
193 append : function(el, values, returnElement){
194 return this.doInsert('beforeEnd', el, values, returnElement);
197 doInsert : function(where, el, values, returnEl){
199 var newNode = Roo.DomHelper.insertHtml(where, el, this.applyTemplate(values));
200 return returnEl ? Roo.get(newNode, true) : newNode;
204 * Applies the supplied values to the template and overwrites the content of el with the new node(s).
205 * @param {String/HTMLElement/Roo.Element} el The context element
206 * @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'})
207 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
208 * @return {HTMLElement/Roo.Element} The new node or Element
210 overwrite : function(el, values, returnElement){
212 el.innerHTML = this.applyTemplate(values);
213 return returnElement ? Roo.get(el.firstChild, true) : el.firstChild;
217 * Alias for {@link #applyTemplate}
220 Roo.Template.prototype.apply = Roo.Template.prototype.applyTemplate;
223 Roo.DomHelper.Template = Roo.Template;
226 * Creates a template from the passed element's value (<i>display:none</i> textarea, preferred) or innerHTML.
227 * @param {String/HTMLElement} el A DOM element or its id
228 * @returns {Roo.Template} The created template
231 Roo.Template.from = function(el){
233 return new Roo.Template(el.value || el.innerHTML);