foam-framework
Version:
MVC metaprogramming framework
113 lines (108 loc) • 2.98 kB
JavaScript
/**
* @license
* Copyright 2015 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CLASS({
package: 'foam.core.fo',
name: 'BaseFeatureDAO',
help: 'Exposes all features of a model as a unified DAO',
extends: 'AbstractDAO',
requires: [
'foam.core.fo.Feature',
],
properties: [
{
name: 'model',
defaultValueFn: function() { return this.Feature; }
},
{
name: 'value',
postSet: function(old, nu) {
if ( old ) old.removeListener(this.onDataUpdate);
if ( nu ) {
nu.addListener(this.onDataUpdate);
this.onDataUpdate()
}
}
}
],
methods: [
function select(sink, options) {
sink = this.decorateSink_(sink || [], options);
var fc = this.createFlowControl_();
var self = this;
var walk = function(pair) {
var name = pair[0];
var type = pair[1];
var a = self.value[name];
for ( var i = 0 ; i < a.length && ! fc.stopped && ! fc.errorEvt ; i++ ) {
var f = self.Feature.create(a[i])
f.type = type;
f.model = a[i].model_.name;
f.obj = a[i];
sink.put(f, null, fc);
}
};
var fields = [
['properties', 'Property'],
['methods', 'Method'],
['actions', 'Action'],
['listeners', 'Listener'],
['templates', 'Template'],
['messages', 'Message'],
['constants', 'Constant'],
['tests', 'UnitTest'],
['relationships', 'Relationship'],
['models', 'Model']
];
fields.map(walk);
var future = afuture();
future.set(sink);
if ( fc.errorEvt ) {
sink.error && sink.error(fc.errorEvt);
} else {
sink.eof && sink.eof();
}
return future.get;
},
function put(obj, sink) {
var map = {
'Property': 'properties',
'Method': 'methods',
'Action': 'actions',
'Listener': 'listeners',
'Template': 'templates',
'Message': 'messages',
'Constant': 'constants',
'UnitTest': 'tests',
'Relationship': 'relationships',
'Model': 'models'
};
sink && sink.error && sink.error();
},
function remove(obj, sink) {
},
function find(id, sink) {
}
],
listeners: [
{
name: 'onDataUpdate',
code: function() {
this.notify_('update', []);
}
}
]
});