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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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 module com {  module sun {  module star {  module form {  module component {


/** This service specifies a combo box which is data-aware, and can be bound to a database field.

    <p>Like most other data aware controls, such a combo box will display the actual content
    of the field it is bound to. In addition, as a combo box contains a list where the user
    can choose items to fill into the control, this list can be filled with different data from
    a database, too.</p>
 */
published service DatabaseComboBox
{
    service com::sun::star::form::component::ComboBox;

    service com::sun::star::form::DataAwareControlModel;


    /** determines if an empty text should be treated as a `NULL` value.

        <p>When the user enters text into a combo box, and after this, the control
        content is to be committed into the database field the control is bound to,
        a decision must be made how to deal with empty strings.<br/>
        This is controlled by #ConvertEmptyToNull.</p>

        <p>If the property is set to `TRUE`, and an empty text is to be committed, this is
        converted into `NULL`, else it is written as empty string.</p>
     */
    [property] boolean ConvertEmptyToNull;

    /** describes the source of items in the combo box's list.

        <p>The concrete meaning of this property depends on the value of #ListSourceType</p>
     */
    [property] string ListSource;

    /** specifies the kind of list source.

        <p>Note: A value of com::sun::star::form::ListSourceType::VALUELIST
        is not valid for a combo box. It won't be rejected when setting it, but controls will usually ignore it
        and leave the list empty.</p>
     */
    [property] com::sun::star::form::ListSourceType ListSourceType;
};


}; }; }; }; };

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