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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package sun.tools.jconsole.inspector;

import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.*;


This list implements the drag and drop functionality.
/** * This list implements the drag and drop functionality. */
@SuppressWarnings("serial") public class XTextField extends JPanel implements DocumentListener, ActionListener { private XObject selectedObject; protected JTextField textField; private static boolean allowNullSelection = false; protected final static int COMPATIBLE_VALUE = 1; protected final static int CURRENT_VALUE = 2; protected final static int NULL_VALUE = 3; private JButton button; private XOperations operation; //used in XTestFieldEditor public XTextField() { super(new BorderLayout()); add(textField = new JTextField(),BorderLayout.CENTER); textField.addActionListener(this); // } public XTextField(Object value) { this(value,value.toString().length()); } public XTextField(Object value, int colWidth) { this(value,value.getClass(),colWidth, true, null, null); } public XTextField(Object value, Class<?> expectedClass, int colWidth, boolean isCallable, JButton button, XOperations operation) { super(new BorderLayout()); this.button = button; this.operation = operation; add(textField = new JTextField(value.toString(),colWidth), BorderLayout.CENTER); if(isCallable) textField.addActionListener(this); boolean fieldEditable = Utils.isEditableType(expectedClass.getName()); if (fieldEditable && isCallable) { textField.setEditable(true); } else { textField.setEditable(false); } } public static void setNullSelectionAllowed(boolean allowNullSelection) { XTextField.allowNullSelection = allowNullSelection; } public static boolean getNullSelectionAllowed() { return allowNullSelection; } protected void init(Object value, Class<?> expectedClass) { boolean fieldEditable = Utils.isEditableType(expectedClass.getName()); clearObject(); if (value != null) { textField.setText(value.toString()); } else { //null String value for the moment textField.setText(""); } textField.setToolTipText(null); if (fieldEditable) { if (!textField.isEditable()) { textField.setEditable(true); } } else { if (textField.isEditable()) { textField.setEditable(false); } } } private synchronized void clearObject() { textField.getDocument().removeDocumentListener(this); selectedObject = null; setDefaultColors(); } private synchronized void setDefaultColors() { // if (fore != null) textField.setForeground(fore); // if (back != null) textField.setBackground(back); } public void setHorizontalAlignment(int h) { textField.setHorizontalAlignment(h); } //can be overwritten protected JMenuItem buildJMenuItem(XObject xobject, int valueType) { if (valueType == COMPATIBLE_VALUE) { return new JMenuItem(xobject.getText()); } else if (valueType == CURRENT_VALUE) { return new JMenuItem("> "+xobject.getText()); } else if (valueType == NULL_VALUE) { return new JMenuItem("null"); } else { return null; } } // ACTIONLISTENER IMPLEMENTATION public void actionPerformed(ActionEvent e) { if (e.getSource() instanceof JTextField) { if(operation != null) operation.performInvokeRequest(button); } }
This method returns either the user inputted String, or an XObject if one was dropped on the input field.
/** * This method returns either the user inputted String, or an XObject * if one was dropped on the input field. */
public Object getValue() { if (selectedObject!=null) { if (selectedObject == XObject.NULL_OBJECT) { //null case return null; } else { return selectedObject; } } else { return textField.getText(); } } public void changedUpdate(DocumentEvent e) { // the user typed something, so remove references // to the object that was dropped. clearObject(); } public void removeUpdate(DocumentEvent e) { // the user typed something, so remove references // to the object that was dropped. clearObject(); } public void insertUpdate(DocumentEvent e) { // the user typed something, so remove references // to the object that was dropped. clearObject(); } }