SemanticScuttle/includes/js/dojox/dtl/contrib/data.js

89 lines
2.3 KiB
JavaScript

if(!dojo._hasResource["dojox.dtl.contrib.data"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.dtl.contrib.data"] = true;
dojo.provide("dojox.dtl.contrib.data");
dojo.require("dojox.dtl._base");
(function(){
var dd = dojox.dtl;
var ddcd = dd.contrib.data;
ddcd._BoundItem = dojo.extend(function(item, store){
this.item = item;
this.store = store;
},
{
get: function(key){
var store = this.store;
var item = this.item;
if(key == "getLabel"){
return store.getLabel(item);
}else if(key == "getAttributes"){
return store.getAttributes(item);
}else if(key == "getIdentity"){
if(store.getIdentity){
return store.getIdentity(item);
}
return "Store has no identity API";
}else{
if(store.hasAttribute(item, key)){
var value = store.getValue(item, key);
return (dojo.isObject(value) && store.isItem(value)) ? new ddcd._BoundItem(value, store) : value;
}else if(key.slice(-1) == "s" && store.hasAttribute(item, key.slice(0, -1))){
return dojo.map(store.getValues(item, key.slice(0, -1)), function(value){
return (dojo.isObject(value) && store.isItem(value)) ? new ddcd._BoundItem(value, store) : value;
});
}
}
}
});
ddcd.BindDataNode = dojo.extend(function(items, store, alias){
this.items = new dd._Filter(items);
this.store = new dd._Filter(store);
this.alias = alias;
},
{
render: function(context, buffer){
var items = this.items.resolve(context);
var store = this.store.resolve(context);
if(!store){
throw new Error("data_bind didn't receive a store");
}
var list = [];
if(items){
for(var i = 0, item; item = items[i]; i++){
list.push(new ddcd._BoundItem(item, store));
}
}
context[this.alias] = list;
return buffer;
},
unrender: function(context, buffer){
return buffer;
},
clone: function(){
return this;
}
});
dojo.mixin(ddcd, {
bind_data: function(parser, text){
var parts = dd.text.pySplit(text);
if(parts[2] != 'to' || parts[4] != 'as' || !parts[5]){
throw new Error("data_bind expects the format: 'data_bind items to store as varName'");
}
return new ddcd.BindDataNode(parts[1], parts[3], parts[5]);
}
});
dd.register.tags("dojox.dtl.contrib", {
"data": ["bind_data"]
});
})();
}