| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant.gui.wizard; |
| import org.apache.tools.ant.gui.core.ResourceManager; |
| import javax.swing.*; |
| import java.awt.event.ActionListener; |
| import java.awt.event.ActionEvent; |
| import java.awt.FlowLayout; |
| import java.util.*; |
| |
| class ButtonNavigator extends JComponent implements WizardNavigator { |
| public static final String NEXT = "next"; |
| public static final String BACK = "back"; |
| public static final String CANCEL = "cancel"; |
| public static final String FINISH = "finish"; |
| |
| /** Resources. */ |
| private ResourceManager _resources = null; |
| /** Event listeners. */ |
| private List _listeners = new ArrayList(); |
| |
| /* Buttons. */ |
| private JButton _next = null; |
| private JButton _back = null; |
| private JButton _cancel = null; |
| private JButton _finish = null; |
| |
| /** Action handler. */ |
| private ActionHandler _handler = new ActionHandler(); |
| |
| public ButtonNavigator(ResourceManager resources) { |
| _resources = resources; |
| setLayout(new FlowLayout(FlowLayout.RIGHT)); |
| |
| _back = new JButton(_resources.getString(BACK)); |
| _next = new JButton(_resources.getString(NEXT)); |
| _finish = new JButton(_resources.getString(FINISH)); |
| _cancel = new JButton(_resources.getString(CANCEL)); |
| |
| _back.setActionCommand(BACK); |
| _next.setActionCommand(NEXT); |
| _finish.setActionCommand(FINISH); |
| _cancel.setActionCommand(CANCEL); |
| |
| _back.addActionListener(_handler); |
| _next.addActionListener(_handler); |
| _finish.addActionListener(_handler); |
| _cancel.addActionListener(_handler); |
| |
| _back.setEnabled(false); |
| _next.setEnabled(false); |
| _finish.setEnabled(false); |
| _cancel.setEnabled(true); |
| |
| add(_back); |
| add(_next); |
| add(_finish); |
| add(_cancel); |
| } |
| |
| /** |
| * Add a navigator listener. |
| * |
| * @param l Listener to add. |
| */ |
| public void addNavigatorListener(NavigatorListener l) { |
| _listeners.add(l); |
| } |
| |
| /** |
| * Remove a navigator listener. |
| * |
| * @param l Listener to remove. |
| */ |
| public void removeNavigatorListener(NavigatorListener l) { |
| _listeners.remove(l); |
| } |
| |
| /** |
| * Set the enabled state of the back button. |
| * |
| * @param state True for enabled, false for disabled. |
| */ |
| public void setBackEnabled(boolean state) { |
| _back.setEnabled(state); |
| } |
| /** |
| * Set the enabled state of the next button. |
| * |
| * @param state True for enabled, false for disabled. |
| */ |
| public void setNextEnabled(boolean state) { |
| _next.setEnabled(state); |
| } |
| /** |
| * Set the enabled state of the finished button. |
| * |
| * @param state True for enabled, false for disabled. |
| */ |
| public void setFinishEnabled(boolean state) { |
| _finish.setEnabled(state); |
| } |
| |
| /** Handler of the button presses. */ |
| private class ActionHandler implements ActionListener { |
| public void actionPerformed(ActionEvent e) { |
| Object source = e.getSource(); |
| |
| // Predetermine which method to call so that |
| // we don't traverse if statements for each iteration. |
| int idx = -1; |
| if(source == _next) { |
| idx = 0; |
| } |
| else if(source == _back) { |
| idx = 1; |
| } |
| else if(source == _cancel) { |
| idx = 2; |
| } |
| else if(source == _finish) { |
| idx = 3; |
| } |
| |
| Iterator it = _listeners.iterator(); |
| while(it.hasNext()) { |
| NavigatorListener l = (NavigatorListener) it.next(); |
| switch(idx) { |
| case 0: |
| l.nextStep(); |
| break; |
| case 1: |
| l.backStep(); |
| break; |
| case 2: |
| l.cancel(); |
| break; |
| case 3: |
| l.finish(); |
| break; |
| } |
| |
| } |
| } |
| } |
| } |