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#ifndef __com_sun_star_form_binding_BindableDatabaseCheckBox_idl__
#define __com_sun_star_form_binding_BindableDatabaseCheckBox_idl__

#ifndef __com_sun_star_form_component_DatabaseCheckBox_idl__
#include <com/sun/star/form/component/DatabaseCheckBox.idl>
#endif

#ifndef __com_sun_star_form_binding_BindableDataAwareControlModel_idl__
#include <com/sun/star/form/binding/BindableDataAwareControlModel.idl>
#endif

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

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

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

/** This service specifies a check box which is data-aware and thus can be bound to a
    database field, and additionally supports binding to arbitrary external values.

    <p>The <type scope="com::sun::star::form::binding">XValueBinding</type> instance which
    can be associated with a <type>BindableDatabaseCheckBox</type> must support exchanging
    boolean values. The following mapping between external values and control states apply:
    <ul><li><TRUE/> will be mapped to the box being checked, and vice versa</li>
        <li><FALSE/> will be mapped to it being unchecked, and vice versa</li>
        <li><NULL/> will be mapped to it being in indetermined state, if the box currently supports
        this, or being unchecked else. The indetermined of the check box will always be
        mapped to <NULL/> when writing the external value.</li>
    </ul></p>

    <p>If the value binding associated with a <type>BindableDatabaseCheckBox</type>
    supports exchanging string values, <em>and</em> the <member scope="com::sun::star::form::component">CheckBox::RefValue</member>
    is <em>not</em> empty, then the radio button will exchange it's value as string:
    <ul><li>A string equal to the reference value will be mapped to the button being checked, and vice versa</li>
        <li>A string not equal to the reference value will be mapped to the button being unchecked, and vice versa</li>
        <li><NULL/> will be mapped to it being in indetermined state</li>
    </ul></p>

    @see com::sun::star::form::binding::XValueBinding::supportsType
    @see com::sun::star::awt::UnoControlCheckBoxModel::State
    @see com::sun::star::awt::UnoControlCheckBoxModel::TriState
    @see com::sun::star::form::component::CheckBox::RefValue
 */
service BindableDatabaseCheckBox
{
    service com::sun::star::form::component::DatabaseCheckBox;

    /** specifies the interaction between an internal binding to a database column,
        and an external value binding.</p>
    */
    service com::sun::star::form::binding::BindableDataAwareControlModel;

    /** specifies a value which is to be associated with the control when it's <em>not</em>
        checked.

        <p><member scope="com::sun::star::form::component">CheckBox::RefValue</member> is transferred to
        possible external value bindings as soon as the check box is checked. With the member
        <member>SecondaryRefValue</member>, clients of the check box can also associate a value with
        the <em>not checked</em> state of the control.</p>
    */
    [property] string SecondaryRefValue;
};

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

}; }; }; }; };

#endif