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loop.js
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loop.js
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if(!dojo._hasResource["dojox.dtl.tag.loop"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.dtl.tag.loop"] = true;
dojo.provide("dojox.dtl.tag.loop");
dojo.require("dojox.dtl._base");
dojox.dtl.tag.loop.CycleNode = function(cyclevars, name, VarNode){
this._cyclevars = cyclevars;
this._counter = -1
this._name = name;
this._map = {};
this._VarNode = VarNode;
}
dojo.extend(dojox.dtl.tag.loop.CycleNode, {
render: function(context, buffer){
if(context.forloop && !context.forloop.counter0){
this._counter = -1;
}
++this._counter;
var value = this._cyclevars[this._counter % this._cyclevars.length];
if(this._name){
context[this._name] = value;
}
if(!this._map[value]){
this._map[value] = {};
}
var node = this._map[value][this._counter] = new this._VarNode(value);
return node.render(context, buffer, this);
},
unrender: function(context, buffer){
return buffer;
},
clone: function(){
return new this.constructor(this._cyclevars, this._name);
},
_onEnd: function(){
this._counter = -1;
},
toString: function(){ return "dojox.dtl.tag.loop.CycleNode"; }
});
dojox.dtl.tag.loop.cycle = function(parser, text){
// summary: Cycle among the given strings each time this tag is encountered
var args = text.split(" ");
if(args.length < 2){
throw new Error("'cycle' tag requires at least two arguments");
}
if(args[1].indexOf(",") != -1){
var vars = args[1].split(",");
args = [args[0]];
for(var i = 0; i < vars.length; i++){
args.push('"' + vars[i] + '"');
}
}
if(args.length == 2){
var name = args[args.length - 1];
if(!parser._namedCycleNodes){
throw new Error("No named cycles in template: '" + name + "' is not defined");
}
if(!parser._namedCycleNodes[name]){
throw new Error("Named cycle '" + name + "' does not exist");
}
return parser._namedCycleNodes[name];
}
if(args.length > 4 && args[args.length - 2] == "as"){
var name = args[args.length - 1];
var node = new dojox.dtl.tag.loop.CycleNode(args.slice(1, args.length - 2), name, parser.getVarNode());
if(!parser._namedCycleNodes){
parser._namedCycleNodes = {};
}
parser._namedCycleNodes[name] = node;
}else{
node = new dojox.dtl.tag.loop.CycleNode(args.slice(1), null, parser.getVarNode());
}
return node;
}
}

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