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({
20 '<div name="{id}">',
21 '<span class="{cls}">{name:trim} {value:ellipsis(10)}</span>',
24 t.append('some-element', {id: 'myid', cls: 'myclass', name: 'foo', value: 'bar'});
26 * 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>.
28 * @param {Object} cfg - Configuration object.
29 * @param {String/Array} html
31 Roo.Template = function(cfg){
32 if(cfg instanceof Array){
34 }else if(arguments.length > 1){
35 cfg = Array.prototype.join.call(arguments, "");
39 if (typeof(cfg) == 'object') {
47 Roo.Template.prototype = {
50 * @cfg {String} html The HTML fragment or an array of fragments to join("") or multiple arguments to join("")
54 * Returns an HTML fragment of this template with the specified values applied.
55 * @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'})
56 * @return {String} The HTML fragment
58 applyTemplate : function(values){
62 return this.compiled(values);
64 var useF = this.disableFormats !== true;
65 var fm = Roo.util.Format, tpl = this;
66 var fn = function(m, name, format, args){
68 if(format.substr(0, 5) == "this."){
69 return tpl.call(format.substr(5), values[name], values);
72 // quoted values are required for strings in compiled templates,
73 // but for non compiled we need to strip them
74 // quoted reversed for jsmin
75 var re = /^\s*['"](.*)["']\s*$/;
76 args = args.split(',');
77 for(var i = 0, len = args.length; i < len; i++){
78 args[i] = args[i].replace(re, "$1");
80 args = [values[name]].concat(args);
82 args = [values[name]];
84 return fm[format].apply(fm, args);
87 return values[name] !== undefined ? values[name] : "";
90 return this.html.replace(this.re, fn);
99 * Sets the HTML used as the template and optionally compiles it.
100 * @param {String} html
101 * @param {Boolean} compile (optional) True to compile the template (defaults to undefined)
102 * @return {Roo.Template} this
104 set : function(html, compile){
106 this.compiled = null;
114 * True to disable format functions (defaults to false)
117 disableFormats : false,
120 * The regular expression used to match template variables
124 re : /\{([\w-]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?\}/g,
127 * Compiles the template into an internal function, eliminating the RegEx overhead.
128 * @return {Roo.Template} this
130 compile : function(){
131 var fm = Roo.util.Format;
132 var useF = this.disableFormats !== true;
133 var sep = Roo.isGecko ? "+" : ",";
134 var fn = function(m, name, format, args){
136 args = args ? ',' + args : "";
137 if(format.substr(0, 5) != "this."){
138 format = "fm." + format + '(';
140 format = 'this.call("'+ format.substr(5) + '", ';
144 args= ''; format = "(values['" + name + "'] == undefined ? '' : ";
146 return "'"+ sep + format + "values['" + name + "']" + args + ")"+sep+"'";
149 // branched to use + in gecko and [].join() in others
151 body = "this.compiled = function(values){ return '" +
152 this.html.replace(/\\/g, '\\\\').replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn) +
155 body = ["this.compiled = function(values){ return ['"];
156 body.push(this.html.replace(/\\/g, '\\\\').replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn));
157 body.push("'].join('');};");
158 body = body.join('');
168 // private function used to call members
169 call : function(fnName, value, allValues){
170 return this[fnName](value, allValues);
174 * Applies the supplied values to the template and inserts the new node(s) as the first child of el.
175 * @param {String/HTMLElement/Roo.Element} el The context element
176 * @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'})
177 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
178 * @return {HTMLElement/Roo.Element} The new node or Element
180 insertFirst: function(el, values, returnElement){
181 return this.doInsert('afterBegin', el, values, returnElement);
185 * Applies the supplied values to the template and inserts the new node(s) before el.
186 * @param {String/HTMLElement/Roo.Element} el The context element
187 * @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'})
188 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
189 * @return {HTMLElement/Roo.Element} The new node or Element
191 insertBefore: function(el, values, returnElement){
192 return this.doInsert('beforeBegin', el, values, returnElement);
196 * Applies the supplied values to the template and inserts the new node(s) after el.
197 * @param {String/HTMLElement/Roo.Element} el The context element
198 * @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'})
199 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
200 * @return {HTMLElement/Roo.Element} The new node or Element
202 insertAfter : function(el, values, returnElement){
203 return this.doInsert('afterEnd', el, values, returnElement);
207 * Applies the supplied values to the template and appends the new node(s) to el.
208 * @param {String/HTMLElement/Roo.Element} el The context element
209 * @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'})
210 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
211 * @return {HTMLElement/Roo.Element} The new node or Element
213 append : function(el, values, returnElement){
214 return this.doInsert('beforeEnd', el, values, returnElement);
217 doInsert : function(where, el, values, returnEl){
219 var newNode = Roo.DomHelper.insertHtml(where, el, this.applyTemplate(values));
220 return returnEl ? Roo.get(newNode, true) : newNode;
224 * Applies the supplied values to the template and overwrites the content of el with the new node(s).
225 * @param {String/HTMLElement/Roo.Element} el The context element
226 * @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'})
227 * @param {Boolean} returnElement (optional) true to return a Roo.Element (defaults to undefined)
228 * @return {HTMLElement/Roo.Element} The new node or Element
230 overwrite : function(el, values, returnElement){
232 el.innerHTML = this.applyTemplate(values);
233 return returnElement ? Roo.get(el.firstChild, true) : el.firstChild;
237 * Alias for {@link #applyTemplate}
240 Roo.Template.prototype.apply = Roo.Template.prototype.applyTemplate;
243 Roo.DomHelper.Template = Roo.Template;
246 * Creates a template from the passed element's value (<i>display:none</i> textarea, preferred) or innerHTML.
247 * @param {String/HTMLElement} el A DOM element or its id
248 * @returns {Roo.Template} The created template
251 Roo.Template.from = function(el){
253 return new Roo.Template(el.value || el.innerHTML);