XTemplate.js
Ext.XTemplate = function(){
Ext.XTemplate.superclass.constructor.apply(this, arguments);
var s = this.html;
s = ['<tpl>', s, '</tpl>'].join('');
var re = /<tpl\b[^>]*>((?:(?=([^<]+))\2|<(?!tpl\b[^>]*>))*?)<\/tpl>/;
var nameRe = /^<tpl\b[^>]*?for="(.*?)"/;
var ifRe = /^<tpl\b[^>]*?if="(.*?)"/;
var execRe = /^<tpl\b[^>]*?exec="(.*?)"/;
var m, id = 0;
var tpls = [];
while(m = s.match(re)){
var m2 = m[0].match(nameRe);
var m3 = m[0].match(ifRe);
var m4 = m[0].match(execRe);
var exp = null, fn = null, exec = null;
var name = m2 && m2[1] ? m2[1] : '';
if(m3){
exp = m3 && m3[1] ? m3[1] : null;
if(exp){
fn = new Function('values', 'parent', 'with(values){ return '+(Ext.util.Format.htmlDecode(exp))+'; }');
}
}
if(m4){
exp = m4 && m4[1] ? m4[1] : null;
if(exp){
exec = new Function('values', 'parent', 'with(values){ '+(Ext.util.Format.htmlDecode(exp))+'; }');
}
}
if(name){
switch(name){
case '.': name = new Function('values', 'parent', 'with(values){ return values; }'); break;
case '..': name = new Function('values', 'parent', 'with(values){ return parent; }'); break;
default: name = new Function('values', 'parent', 'with(values){ return '+name+'; }');
}
}
tpls.push({
id: id,
target: name,
exec: exec,
test: fn,
body: m[1]||''
});
s = s.replace(m[0], '{xtpl'+ id + '}');
++id;
}
for(var i = tpls.length-1; i >= 0; --i){
this.compileTpl(tpls[i]);
}
this.master = tpls[tpls.length-1];
this.tpls = tpls;
};
Ext.extend(Ext.XTemplate, Ext.Template, {
re : /\{([\w-\.]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?\}/g,
applySubTemplate : function(id, values, parent){
var t = this.tpls[id];
if(t.test && !t.test.call(this, values, parent)){
return '';
}
if(t.exec && t.exec.call(this, values, parent)){
return '';
}
var vs = t.target ? t.target.call(this, values, parent) : values;
parent = t.target ? values : parent;
if(t.target && vs instanceof Array){
var buf = [];
for(var i = 0, len = vs.length; i < len; i++){
buf[buf.length] = t.compiled.call(this, vs[i], parent);
}
return buf.join('');
}
return t.compiled.call(this, vs, parent);
},
compileTpl : function(tpl){
var fm = Ext.util.Format;
var useF = this.disableFormats !== true;
var sep = Ext.isGecko ? "+" : ",";
var fn = function(m, name, format, args){
if(name.substr(0, 4) == 'xtpl'){
return "'"+ sep +'this.applySubTemplate('+name.substr(4)+', values, parent)'+sep+"'";
}
var v;
if(name.indexOf('.') != -1){
v = name;
}else{
v = "values['" + name + "']";
}
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+"'";
};
var body;
// branched to use + in gecko and [].join() in others
if(Ext.isGecko){
body = "tpl.compiled = function(values, parent){ return '" +
tpl.body.replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn) +
"';};";
}else{
body = ["tpl.compiled = function(values, parent){ return ['"];
body.push(tpl.body.replace(/(\r\n|\n)/g, '\\n').replace(/'/g, "\\'").replace(this.re, fn));
body.push("'].join('');};");
body = body.join('');
}
eval(body);
return this;
},
applyTemplate : function(values){
return this.master.compiled.call(this, values, {});
var s = this.subs;
},
apply : function(){
return this.applyTemplate.apply(this, arguments);
},
compile : function(){return this;}
});
Ext.XTemplate.from = function(el){
el = Ext.getDom(el);
return new Ext.XTemplate(el.value || el.innerHTML);
};
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