151 lines
2.4 KiB
JavaScript
151 lines
2.4 KiB
JavaScript
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var Object = require ('./object');
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var Param = require ('./param');
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var Hash = require ('./hash');
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module.exports = new Class
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({
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Extends: Object
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,Tag: 'vn-hash-param'
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,Child: 'param'
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,Properties:
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{
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param:
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{
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type: 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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value:
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{
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type: Object
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,set: function (x)
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{
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this._setValue (x, true);
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}
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,get: function ()
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{
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return this._value;
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}
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},
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type:
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{
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type: Object
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,set: function (x)
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{
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this._type = 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._type;
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}
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}
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}
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,_hashLock: false
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,_paramLock: false
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,_value: undefined
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,_key: null
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,_type: 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 = 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._hashLock || !this._key || !this._listener)
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return;
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var newValue = Hash.get (this._key);
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if (newValue === '')
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newValue = null;
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if (this._type && newValue !== undefined && newValue !== null)
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switch (this._type)
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{
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case Boolean:
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newValue = (/^(true|1)$/i).test (newValue);
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break;
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case Number:
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newValue = 0 + new Number (newValue);
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break;
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}
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this._hashLock = true;
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this._setValue (newValue, true);
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this._hashLock = false;
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}
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,_setValue: function (newValue, signal)
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{
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if (newValue == this._value)
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return;
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this._value = newValue;
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if (this._key && !this._hashLock)
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{
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this._hashLock = true;
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var map = {};
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map[this._key] = newValue;
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Hash.add (map);
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this._hashLock = false;
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}
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this._refreshParam ();
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if (signal)
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this.signalEmit ('changed', newValue);
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}
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,_refreshParam: function ()
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{
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if (this._param && !this._paramLock)
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{
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this._paramLock = true;
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this._param.value = this._value;
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this._paramLock = 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._paramLock)
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return;
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this._paramLock = true;
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this._setValue (this._param.value);
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this._paramLock = false;
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}
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});
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