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BasicComboBoxEditor.java
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1998-06-30
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/*
* @(#)BasicComboBoxEditor.java 1.7 98/02/02
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.plaf.basic;
import com.sun.java.swing.*;
import com.sun.java.swing.border.*;
import java.io.Serializable;
import java.awt.*;
import java.awt.event.*;
/**
* The default editor for editable combo boxes
* <p>
* Warning: serialized objects of this class will not be compatible with
* future swing releases. The current serialization support is appropriate
* for short term storage or RMI between Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*
* @version 1.7 02/02/98
* @author Arnaud Weber
*/
public class BasicComboBoxEditor implements ComboBoxEditor,FocusListener, Serializable {
protected JTextField editor;
public BasicComboBoxEditor() {
editor = new BorderlessTextField("",9);
editor.addFocusListener(this);
editor.setBorder(null);
}
public Component getEditorComponent() {
return editor;
}
public void setItem(Object anObject) {
if(anObject != null)
editor.setText(anObject.toString());
else
editor.setText("");
}
public Object getItem() {
return editor.getText();
}
public void selectAll() {
editor.selectAll();
editor.requestFocus();
}
public void focusGained(FocusEvent e) {}
public void focusLost(FocusEvent e) {
editor.postActionEvent();
}
public void addActionListener(ActionListener l) {
editor.addActionListener(l);
}
public void removeActionListener(ActionListener l) {
editor.removeActionListener(l);
}
static class BorderlessTextField extends JTextField {
public BorderlessTextField(String value,int n) {
super(value,n);
}
public void setBorder(Border b) {}
}
/**
* A subclass of BasicComboBoxEditor that implements UIResource.
* BasicComboBoxEditor doesn't implement UIResource
* directly so that applications can safely override the
* cellRenderer property with BasicListCellRenderer subclasses.
* <p>
* Warning: serialized objects of this class will not be compatible with
* future swing releases. The current serialization support is appropriate
* for short term storage or RMI between Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*/
public static class UIResource extends BasicComboBoxEditor
implements com.sun.java.swing.plaf.UIResource
{
}
}