Java tutorial
/*************************GO-LICENSE-START********************************* * Copyright 2014 ThoughtWorks, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *************************GO-LICENSE-END***********************************/ package com.thoughtworks.go.agent.bootstrapper.osx; import java.awt.BorderLayout; import java.awt.FlowLayout; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JButton; import javax.swing.JTextField; import javax.swing.JPanel; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class MacPreferencesPane extends JFrame { private static final Log LOG = LogFactory.getLog(AgentMacWindow.class); private JTextField serverTextField; private String originalHost; public MacPreferencesPane(final AgentMacWindow agentMacWindow) { super(); getContentPane().setLayout(new BorderLayout(10, 10)); JLabel prefsText = new JLabel("Go Server Hostname or IP"); serverTextField = new JTextField(""); serverTextField.setColumns(15); serverTextField.selectAll(); JPanel textPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 10, 10)); textPanel.add(prefsText); textPanel.add(serverTextField); getContentPane().add(textPanel, BorderLayout.NORTH); JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT, 10, 10)); JButton okButton = new JButton("OK"); buttonPanel.add(okButton); okButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent newEvent) { String newHost = serverTextField.getText(); if (!originalHost.equals(newHost)) { LOG.info("Server changed to " + newHost); agentMacWindow.setHost(newHost); } else { LOG.info("Server is still " + originalHost); } setVisible(false); } }); getContentPane().add(buttonPanel, BorderLayout.SOUTH); setSize(getPreferredSize()); setLocation(20, 40); setResizable(false); } public void ask() { this.serverTextField.setText(originalHost); serverTextField.selectAll(); serverTextField.grabFocus(); setVisible(true); } public void setOriginalHost(String originalHost) { this.originalHost = originalHost; } }