Application: gvSIG desktop

package com.iver.utiles.swing.objectSelection;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JLabel;

import javax.swing.JPanel;

import com.iver.utiles.swing.JComboBox;

/**

 * Control consistente en un texto y un combo autocompletable

 *

 * @author Fernando Gonz?lez Cort?s

 */

public class ObjectSelection extends JPanel {

        private JLabel jLabel = null;

        private JComboBox combo = null;

        private ObjectSelectionModel model;

        private DefaultComboBoxModel cmbModel = new DefaultComboBoxModel();

        private Object selected;

        /**

         * This is the default constructor

         */

        public ObjectSelection() {

                super();

                initialize();

        }

        /**

         * This method initializes this

         */

        private void initialize() {

                jLabel = new JLabel();

                this.setSize(504, 265);

                jLabel.setText("Seleccione objeto:");

                this.add(jLabel, null);

                this.add(getCombo(), null);

        }

        /**

         * Obtiene una referencia al combo

         *

         * @return com.iver.utiles.swing.JComboBox

         */

        protected JComboBox getCombo() {

                if (combo == null) {

                        combo = new JComboBox();

                        combo.setModel(cmbModel);

                        combo.setEditable(true);

                        combo.addItemListener(new java.awt.event.ItemListener() {

                                        public void itemStateChanged(java.awt.event.ItemEvent e) {

                                                seleccion();

                                        }

                                });

                }

                return combo;

        }

        /**

         * M?todo invocado cuando cambia la selecci?n del combo

         */

        protected void seleccion() {

        }

        /**

         * Establece el modelo del control

         *

         * @param model The model to set.

         *

         * @throws SelectionException Si hay alg?n error leyendo los

         * datos del modelo

         */

        public void setModel(ObjectSelectionModel model) throws SelectionException {

                this.model = model;

                Object[] objects = model.getObjects();

                cmbModel.removeAllElements();

                for (int i = 0; i < objects.length; i++) {

                        cmbModel.addElement(objects[i]);

                }

                getCombo().setSelectedIndex(-1);

                jLabel.setText(model.getMsg());

        }

        /**

         * Obtiene el elemento actualmente seleccionado

         *

         * @return Returns the selected item.

         */

        public Object getSelected() {

                return cmbModel.getSelectedItem();

        }

} //  @jve:decl-index=0:visual-constraint="10,10"