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/*
* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
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 {@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.
*
* @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 {
// Empty non private constructor was added because access to this
// class shouldn't be emulated by a synthetic accessor method.
JPasswordFieldDelegate() {
super();
}
@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();
}
}
}
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