135 lines
2.5 KiB
JavaScript
135 lines
2.5 KiB
JavaScript
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var Widget = require('./widget');
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module.exports = new Class({
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Extends: Widget
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,Tag: 'htk-field'
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,Child: 'param'
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,Properties:
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{
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value: {
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type: String
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,set: function(x) {
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if (Vn.Value.compare(x, this._value))
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return;
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if (x instanceof Date)
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x = x.clone();
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this.valueChanged(x);
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this.putValue(x);
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}
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,get: function(x) {
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return this._value;
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}
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},
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param: {
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type: Vn.Param
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,set: function(x) {
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this.link({_param: x}, {'changed': this.onParamChange});
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this.onParamChange();
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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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editable: {
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type: Boolean
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,set: function(x) {
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if (x != this._editable) {
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this._editable = x;
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this.setEditable(x);
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}
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}
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,get: function() {
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return this._editable;
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}
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},
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form: {
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type: Db.Iterator
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,set: function(x) {
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this._form = x;
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this.bindToForm();
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}
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,get: function() {
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return this._form;
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}
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},
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column: {
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type: String
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,set: function(x) {
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this._paramName = x;
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this.bindToForm();
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}
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,get: function() {
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return this._paramName;
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}
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},
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conditionalFunc: {
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type: Function
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,value: null
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}
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}
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,_value: undefined
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,_param: null
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,_editable: true
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,_blockParamChange: false
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,_blockValueChange: false
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,onParamChange: function() {
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if (!this._blockValueChange) {
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this._blockParamChange = true;
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this.value = this._param.value;
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this._blockParamChange = false;
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}
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}
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,bindToForm: function() {
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if (this._form && this._paramName)
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this.param = new Db.Param
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({
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form: this._form
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,column: this._paramName
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});
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}
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/**
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* Virtual method that must be implemented by class childs to set the entry
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* editable.
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*
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* @param {Boolean} editable Whether the user is allowed to edit the entry
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*/
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,setEditable: function(editable) {}
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/**
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* Virtual method that must be implemented by class childs to put the value
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* on the associated entry.
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*
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* @param {Object} value The new value for the entry
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*/
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,putValue: function(value) {}
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/**
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* Protected method that should be called from class childs when the value
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* on the associated entry changes.
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*
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* @param {Object} value The new entry value
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*/
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,valueChanged: function(value) {
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this._value = value;
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if (this.conditionalFunc)
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this.conditionalFunc(this, value);
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if (this._param && !this._blockParamChange) {
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this._blockValueChange = true;
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this._param.value = value;
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this._blockValueChange = false;
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}
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this.signalEmit('changed');
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}
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});
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