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javax.swing

Interface ComboBoxModel<E>

Contents
  • Type Parameters:
    E - the type of the elements of this model
    All Superinterfaces:
    ListModel<E>
    All Known Subinterfaces:
    MutableComboBoxModel<E>
    All Known Implementing Classes:
    DefaultComboBoxModel, MetalFileChooserUI.DirectoryComboBoxModel, MetalFileChooserUI.FilterComboBoxModel

    public interface ComboBoxModel<E>
extends ListModel<E>
    A data model for a combo box. This interface extends ListDataModel and adds the concept of a selected item. The selected item is generally the item which is visible in the combo box display area.

    The selected item may not necessarily be managed by the underlying ListModel. This disjoint behavior allows for the temporary storage and retrieval of a selected item in the model.

    • Method Detail

      • setSelectedItem

        void setSelectedItem(Object anItem)
        Set the selected item. The implementation of this method should notify all registered ListDataListeners that the contents have changed.
        Parameters:
        anItem - the list object to select or null to clear the selection

      • getSelectedItem

        Object getSelectedItem()
        Returns the selected item
        Returns:
        The selected item or null if there is no selection
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