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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package sun.lwawt;

import java.awt.Dimension;
import java.awt.Point;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.peer.TextFieldPeer;

import javax.swing.*;
import javax.swing.text.JTextComponent;

Lightweight implementation of TextFieldPeer. Delegates most of the work to the JPasswordField.
/** * Lightweight implementation of {@link TextFieldPeer}. Delegates most of the * work to the {@link JPasswordField}. */
final class LWTextFieldPeer extends LWTextComponentPeer<TextField, JPasswordField> implements TextFieldPeer, ActionListener { LWTextFieldPeer(final TextField target, final PlatformComponent platformComponent) { super(target, platformComponent); } @Override JPasswordField createDelegate() { return new JPasswordFieldDelegate(); } @Override void initializeImpl() { super.initializeImpl(); setEchoChar(getTarget().getEchoChar()); synchronized (getDelegateLock()) { getDelegate().addActionListener(this); } } @Override public JTextComponent getTextComponent() { return getDelegate(); } @Override public void setEchoChar(final char echoChar) { synchronized (getDelegateLock()) { getDelegate().setEchoChar(echoChar); final boolean cutCopyAllowed; final String focusInputMapKey; if (echoChar != 0) { cutCopyAllowed = false; focusInputMapKey = "PasswordField.focusInputMap"; } else { cutCopyAllowed = true; focusInputMapKey = "TextField.focusInputMap"; } getDelegate().putClientProperty("JPasswordField.cutCopyAllowed", cutCopyAllowed); InputMap inputMap = (InputMap) UIManager.get(focusInputMapKey); SwingUtilities.replaceUIInputMap(getDelegate(), JComponent.WHEN_FOCUSED, inputMap); } } @Override public Dimension getPreferredSize(final int columns) { return getMinimumSize(columns); } @Override public Dimension getMinimumSize(final int columns) { return getMinimumSize(1, columns); } @Override public void actionPerformed(final ActionEvent e) { postEvent(new ActionEvent(getTarget(), ActionEvent.ACTION_PERFORMED, getText(), e.getWhen(), e.getModifiers())); }
Restoring native behavior. We should sets the selection range to zero, when component lost its focus.
Params:
  • e – the focus event
/** * Restoring native behavior. We should sets the selection range to zero, * when component lost its focus. * * @param e the focus event */
@Override void handleJavaFocusEvent(final FocusEvent e) { if (e.getID() == FocusEvent.FOCUS_LOST) { // In order to de-select the selection setCaretPosition(0); } super.handleJavaFocusEvent(e); } @SuppressWarnings("serial")// Safe: outer class is non-serializable. private final class JPasswordFieldDelegate extends JPasswordField { @Override public void replaceSelection(String content) { getDocument().removeDocumentListener(LWTextFieldPeer.this); super.replaceSelection(content); // post only one text event in this case postTextEvent(); getDocument().addDocumentListener(LWTextFieldPeer.this); } @Override public boolean hasFocus() { return getTarget().hasFocus(); } @Override public Point getLocationOnScreen() { return LWTextFieldPeer.this.getLocationOnScreen(); } } }