128 lines
2.3 KiB
JavaScript
128 lines
2.3 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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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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param: {
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type: Param
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,set: function(x) {
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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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return this._param;
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}
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},
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key: {
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type: String
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,set: function(x) {
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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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return this._key;
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}
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},
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value: {
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type: Object
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,set: function(x) {
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this._setValue(x, true);
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}
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,get: function() {
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return this._value;
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}
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},
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type: {
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type: Object
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,set: function(x) {
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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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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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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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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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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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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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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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if (this._param && !this._paramLock) {
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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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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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