144 lines
2.4 KiB
JavaScript
144 lines
2.4 KiB
JavaScript
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Htk.Field = new Class
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({
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Extends: Htk.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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{
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type: String
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,set: function (x)
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{
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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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{
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return this._value;
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}
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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.onParamChange ();
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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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editable:
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{
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type: Boolean
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,set: function (x)
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{
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if (x != this._editable)
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{
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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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{
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return this._editable;
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}
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},
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form:
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{
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type: Db.Iterator
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,set: function (x)
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{
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this._form = x;
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this.bindToForm ();
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}
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},
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column:
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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._paramName = x;
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this.bindToForm ();
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}
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},
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conditionalFunc:
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{
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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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{
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if (!this._blockValueChange)
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{
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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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{
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if (this._form && this._paramName)
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this.param = this._form.getParam (this._paramName);
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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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{
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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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{
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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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