/*______________
| ______ | U I Z E J A V A S C R I P T F R A M E W O R K
| / / | ---------------------------------------------------
| / O / | MODULE : Uize.Util.Cycle Class
| / / / |
| / / / /| | ONLINE : http://uize.com
| /____/ /__/_| | COPYRIGHT : (c)2006-2014 UIZE
| /___ | LICENSE : Available under MIT License or GNU General Public License
|_______________| http://uize.com/license.html
*/
/* Module Meta Data
type: Class
importance: 1
codeCompleteness: 100
docCompleteness: 2
*/
/*?
Introduction
The =Uize.Util.Cycle= module implements a cycle automation behavior that can be useful in building automated / animated user experiences, such as slideshows.
*DEVELOPERS:* `Chris van Rensburg`
*/
Uize.module ({
name:'Uize.Util.Cycle',
superclass:'Uize.Class',
builder:function (_superclass) {
'use strict';
/*** Private Instance Methods ***/
function _clearAdvanceTimeout (m) {
if (m._advanceTimeout) {
clearTimeout (m._advanceTimeout);
m._advanceTimeout = null;
}
}
function _advance (m) {
var _bindings = m._bindings;
_clearAdvanceTimeout (m);
if (_bindings) {
for (
var _bindingNo = -1, _bindingsLength = _bindings.length;
++_bindingNo < _bindingsLength;
) {
var
_binding = _bindings [_bindingNo],
_source = Uize.values (_binding.source),
_target = _binding.target
;
var _sourceValue = _source [m._cycleNo % _source.length];
if (_binding.sourceProperty)
_sourceValue = _sourceValue [_binding.sourceProperty]
;
_binding.targetProperty
? _target.set (_binding.targetProperty,_sourceValue)
: _target.set (_sourceValue)
;
}
}
if (m._running)
m._advanceTimeout = setTimeout (function () {_advance (m)},m._interval)
;
m._cycleNo++;
}
return _superclass.subclass ({
alphastructor:function () {
var m = this;
/*** Private Instance Properties ***/
m._cycleNo = 0;
m._running = false;
m._advanceTimeout = null;
/*** Initialization ***/
/*
m.fade.wire (
'Done',
function () {
if (m._running && (m._cycleNo < m._images.length - 1 || m._loop))
m._advanceTimeout = setTimeout (function () {_advance (m)},m._interval)
;
}
);
*/
},
instanceMethods:{
start:function () {
this._running = true;
_advance (this);
},
stop:function () {
_clearAdvanceTimeout (this);
this._running = false;
}
},
stateProperties:{
_bindings:'bindings',
_interval:{
name:'interval',
value:6000
},
_loop:{
name:'loop',
value:true
}
}
});
}
});