88 lines
1.3 KiB
JavaScript
88 lines
1.3 KiB
JavaScript
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Vn.HashParam = new Class
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({
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Extends: Vn.Object
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,Tag: 'vn-hash-param'
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,Parent: 'param'
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,Properties:
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{
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param:
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{
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type: Vn.Param
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,set: function (x)
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{
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this.link ({_param: x}, {'changed': this._onParamChange});
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this._refreshParam ();
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}
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,get: function ()
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{
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return this._param;
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}
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},
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key:
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{
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type: String
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,set: function (x)
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{
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this._key = x;
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this._onHashChange ();
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}
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,get: function ()
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{
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return this._key;
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}
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}
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}
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,lock: false
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,value: undefined
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,_key: null
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,initialize: function (props)
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{
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this.parent (props);
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var listener = Vn.Hash.getListener ();
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this.link ({_listener: listener}, {'changed': this._onHashChange});
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this._onHashChange ();
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}
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,_onHashChange: function ()
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{
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if (!this._key || !this._listener)
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return;
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var newValue = Vn.Hash.get (this._key);
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if (this.value != newValue)
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{
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this.value = newValue;
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this.signalEmit ('changed');
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this._refreshParam ();
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}
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}
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,_refreshParam: function ()
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{
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if (this._param && !this.lock)
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{
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this.lock = true;
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this._param.value = this.value;
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this.lock = false;
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}
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}
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,_onParamChange: function ()
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{
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if (this.lock)
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return;
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var map = {};
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map[this.key] = this._param.value;
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this.lock = true;
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Vn.Hash.add (map);
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this.lock = false;
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}
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});
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