xref: /aoo4110/main/offapi/com/sun/star/form/binding/BindableControlModel.idl (revision b1cdbd2c)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#ifndef __com_sun_star_form_binding_BindableControlModel_idl__
#define __com_sun_star_form_binding_BindableControlModel_idl__

#ifndef __com_sun_star_form_binding_XBindableValue_idl__
#include <com/sun/star/form/binding/XBindableValue.idl>
#endif
#ifndef __com_sun_star_form_FormControlModel_idl__
#include <com/sun/star/form/FormControlModel.idl>
#endif

//=============================================================================

module com {  module sun {  module star {  module form { module binding {

/** specifies the model of a form control which supports binding to an external
    value supplier.
*/
service BindableControlModel
{
    /** specifies the basic functionality for a form control model

        <p>Via this service, bindable control models inherit the
        <type scope="com::sun::star::util">XCloneable</type> interface.<br/>
        If an bindable control model, at which a binding has been established (via
        <member>XBindableValue::setValueBinding</member>), is being cloned, then the
        binding is also established at the clone. Effectively, this means that
        both control model instances share the same binding instance.</p>
    */
	service com::sun::star::form::FormControlModel;

    /** specifies support for being bound to an external value

        <p>When a <type>BindableControlModel</type> is bound to an external value,
        then every change in the control model's value is <em>immediately</em> reflected
        in the external binding.</p>

        <p>If the binding set via this interface supports the <member>ValueBinding::ReadOnly</member>
        and <member>ValueBinding::Relevant</member> properties, they're respected by the control model:
        <ul><li>The control model's own <code>ReadOnly</code> property (if present) is kept in sync with the
                binding's <code>ReadOnly</code> property. That is, any control using the value
                binding is read-only as long as the binding is.</li>
            <li>The control model's own <code>Enabled</code> property (if present) is kept in sync
                with the binding's <code>Relevant</code> property. That is, any control using
                the value binding is disabled as long as the binding is not relevant.</li>
        </ul>
        </p>

        <p>In both cases, explicit changes of the model's property are ignored if they would relax
        the restriction imposed by the binding.<br/>
        For instance, if the binding declares it's value to
        be read-only (indicated by <member>ValueBinding::ReadOnly</member> being <TRUE/>), then
        any attempt to set the <code>ReadOnly</code> property of the control model to <FALSE/> will
        fail. However, if the binding's value is not read-only, then the <code>ReadOnly</code>
        property at the control model can be freely set.<br/>
        The very same holds for the binding's <member>ValueBinding::Relevant</member> and the control
        model's <code>Enabled</code> properties.</p>
    */
    interface XBindableValue;
};

//=============================================================================

}; }; }; }; };

#endif