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+/* BasicComboBoxEditor.java --
+ Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.basic;
+
+import java.awt.Component;
+import java.awt.event.ActionListener;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+
+import javax.swing.ComboBoxEditor;
+import javax.swing.JTextField;
+
+/**
+ * An editor used by the {@link BasicComboBoxUI} class. This editor uses a
+ * {@link JTextField} as the editor component.
+ *
+ * @author Olga Rodimina
+ */
+public class BasicComboBoxEditor extends Object implements ComboBoxEditor,
+ FocusListener
+{
+ /** The editor component. */
+ protected JTextField editor;
+
+ /**
+ * Creates a new <code>BasicComboBoxEditor</code> instance.
+ */
+ public BasicComboBoxEditor()
+ {
+ editor = new JTextField();
+ editor.setBorder(null);
+ editor.setColumns(9);
+ }
+
+ /**
+ * Returns the component that will be used by the combo box to display and
+ * edit the currently selected item in the combo box.
+ *
+ * @return The editor component, which is a {@link JTextField} in this case.
+ */
+ public Component getEditorComponent()
+ {
+ return editor;
+ }
+
+ /**
+ * Sets item that should be edited when any editing operation is performed
+ * by the user. The value is always equal to the currently selected value
+ * in the combo box. Thus whenever a different value is selected from the
+ * combo box list then this method should be called to change editing
+ * item to the new selected item.
+ *
+ * @param item item that is currently selected in the combo box
+ */
+ public void setItem(Object item)
+ {
+ if (item == null)
+ editor.setText("");
+ else
+ editor.setText(item.toString());
+ }
+
+ /**
+ * Returns the text from the editor component.
+ *
+ * @return The text from the editor component.
+ */
+ public Object getItem()
+ {
+ return editor.getText();
+ }
+
+ /**
+ * Selects all the text in the editor component.
+ */
+ public void selectAll()
+ {
+ editor.selectAll();
+ }
+
+ /**
+ * This method is called when textfield gains focus. This will enable
+ * editing of the selected item.
+ *
+ * @param e the FocusEvent describing change in focus.
+ */
+ public void focusGained(FocusEvent e)
+ {
+ // FIXME: Need to implement
+ }
+
+ /**
+ * This method is called when textfield loses focus. If during this time any
+ * editting operation was performed by the user, then it will be cancelled
+ * and selected item will not be changed.
+ *
+ * @param e the FocusEvent describing change in focus
+ */
+ public void focusLost(FocusEvent e)
+ {
+ // FIXME: Need to implement
+ }
+
+ /**
+ * Adds an {@link ActionListener} to the editor component. If the user will
+ * edit currently selected item in the textfield and pressEnter, then action
+ * will be performed. The actionPerformed of this ActionListener should
+ * change the selected item of the comboBox to the newly editted selected
+ * item.
+ *
+ * @param l the ActionListener responsible for changing selected item of the
+ * combo box when it is editted by the user.
+ */
+ public void addActionListener(ActionListener l)
+ {
+ editor.addActionListener(l);
+ }
+
+ /**
+ * Removes the {@link ActionListener} from the editor component.
+ *
+ * @param l the listener to remove.
+ */
+ public void removeActionListener(ActionListener l)
+ {
+ editor.removeActionListener(l);
+ }
+
+ /**
+ * A subclass of {@link BasicComboBoxEditor} that implements the
+ * {@link UIResource} interface.
+ */
+ public static class UIResource extends BasicComboBoxEditor
+ implements javax.swing.plaf.UIResource
+ {
+ /**
+ * Creates a new <code>BasicComboBoxEditor.UIResource</code> instance.
+ */
+ public UIResource()
+ {
+ // Nothing to do here.
+ }
+ }
+
+}