@openui5/sap.ui.core
Version:
OpenUI5 Core Library sap.ui.core
73 lines (66 loc) • 2.3 kB
JavaScript
/*!
* OpenUI5
* (c) Copyright 2026 SAP SE or an SAP affiliate company.
* Licensed under the Apache License, Version 2.0 - see LICENSE.txt.
*/
/*eslint-disable max-len */
// Provides the resource model implementation of a property binding
sap.ui.define(['sap/ui/model/PropertyBinding', 'sap/ui/model/ChangeReason'],
function(PropertyBinding, ChangeReason) {
"use strict";
/**
* Do <strong>NOT</strong> call this private constructor, but rather use
* {@link sap.ui.model.resource.ResourceModel#bindProperty} instead! Only <code>oModel</code>
* and <code>sPath</code> are used, other constructor parameters from parent classes are not
* supported.
*
* @param {sap.ui.model.resource.ResourceModel} oModel
* The resource model instance
* @param {string} sPath
* The binding path in the model
*
* @alias sap.ui.model.resource.ResourcePropertyBinding
* @author SAP SE
* @class Property binding implementation for the resource bundle model.
* @extends sap.ui.model.PropertyBinding
* @private
*/
var ResourcePropertyBinding = PropertyBinding.extend("sap.ui.model.resource.ResourcePropertyBinding", /** @lends sap.ui.model.resource.ResourcePropertyBinding.prototype */ {
constructor : function (oModel, sPath) {
PropertyBinding.apply(this, arguments);
this.oValue = this.oModel.getProperty(sPath);
}
});
/**
* Returns the current value.
*
* @returns {string}
* The current value
*
* @private
* @see sap.ui.model.PropertyBinding#getValue
*/
ResourcePropertyBinding.prototype.getValue = function () {
return this.oValue;
};
/**
* Checks whether an update of this bindings is required. If the binding is not suspended, it
* fires a change event if either the value has changed or bForceUpdate is <code>true</code>.
*
* @param {boolean} [bForceUpdate]
* Whether to fire a change event even if the value did not change
*
* @private
* @see sap.ui.model.Binding#checkUpdate
*/
ResourcePropertyBinding.prototype.checkUpdate = function (bForceUpdate) {
if (!this.bSuspended) {
var oValue = this.oModel.getProperty(this.sPath);
if (bForceUpdate || oValue != this.oValue) {
this.oValue = oValue;
this._fireChange({reason: ChangeReason.Change});
}
}
};
return ResourcePropertyBinding;
});