/*
* Copyright (c) 2002, 2014, 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.
*
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*/
package javax.swing.plaf.synth;
import javax.swing.*;
import javax.swing.plaf.ComboBoxUI;
import javax.swing.plaf.basic.BasicComboPopup;
import java.awt.*;
/**
* Synth's ComboPopup.
*
* @author Scott Violet
*/
@SuppressWarnings("serial") // Superclass is not serializable across versions
class SynthComboPopup extends BasicComboPopup {
public SynthComboPopup( JComboBox<Object> combo ) {
super(combo);
}
/**
* Configures the list which is used to hold the combo box items in the
* popup. This method is called when the UI class
* is created.
*
* @see #createList
*/
@Override
protected void configureList() {
list.setFont( comboBox.getFont() );
list.setCellRenderer( comboBox.getRenderer() );
list.setFocusable( false );
list.setSelectionMode( ListSelectionModel.SINGLE_SELECTION );
int selectedIndex = comboBox.getSelectedIndex();
if ( selectedIndex == -1 ) {
list.clearSelection();
}
else {
list.setSelectedIndex( selectedIndex );
list.ensureIndexIsVisible( selectedIndex );
}
installListListeners();
}
/**
* @inheritDoc
*
* Overridden to take into account any popup insets specified in
* SynthComboBoxUI
*/
@Override
protected Rectangle computePopupBounds(int px, int py, int pw, int ph) {
ComboBoxUI ui = comboBox.getUI();
if (ui instanceof SynthComboBoxUI) {
SynthComboBoxUI sui = (SynthComboBoxUI) ui;
if (sui.popupInsets != null) {
/**代码未完, 请加载全部代码(NowJava.com).**/