1 package tim.prune.function;
3 import java.awt.BorderLayout;
4 import java.awt.Component;
5 import java.awt.FlowLayout;
6 import java.awt.event.ActionEvent;
7 import java.awt.event.ActionListener;
8 import java.awt.event.KeyAdapter;
9 import java.awt.event.KeyEvent;
11 import javax.swing.BoxLayout;
12 import javax.swing.ButtonGroup;
13 import javax.swing.JButton;
14 import javax.swing.JDialog;
15 import javax.swing.JLabel;
16 import javax.swing.JPanel;
17 import javax.swing.JRadioButton;
18 import javax.swing.JTextField;
21 import tim.prune.Config;
22 import tim.prune.DataSubscriber;
23 import tim.prune.GenericFunction;
24 import tim.prune.I18nManager;
25 import tim.prune.UpdateMessageBroker;
28 * Function to set the tile server for the map backgrounds
30 public class SetMapBgFunction extends GenericFunction
32 private JDialog _dialog = null;
33 private JButton _okButton = null;
34 private JRadioButton[] _serverRadios = null;
35 private JTextField _serverUrl = null;
36 /** Index of 'other' server with freeform url */
37 private static final int OTHER_SERVER_NUM = 3;
42 * @param inApp app object
44 public SetMapBgFunction(App inApp)
49 /** Get the name key */
50 public String getNameKey() {
51 return "function.setmapbg";
62 _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
63 _dialog.setLocationRelativeTo(_parentFrame);
64 _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
65 _dialog.getContentPane().add(makeDialogComponents());
70 _dialog.setVisible(true);
75 * Create dialog components
76 * @return Panel containing all gui elements in dialog
78 private Component makeDialogComponents()
80 JPanel dialogPanel = new JPanel();
81 dialogPanel.setLayout(new BorderLayout());
83 JPanel mainPanel = new JPanel();
84 mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
85 _serverRadios = new JRadioButton[4];
86 ButtonGroup serverRadioGroup = new ButtonGroup();
87 String[] serverKeys = {"dialog.setmapbg.mapnik", "dialog.setmapbg.osma",
88 "dialog.setmapbg.cyclemap", "dialog.setmapbg.other"};
89 // action listener for radios
90 ActionListener changeListener = new ActionListener() {
91 public void actionPerformed(ActionEvent arg0) {
95 // Create four radio buttons
96 for (int i=0; i<4; i++)
98 _serverRadios[i] = new JRadioButton(I18nManager.getText(serverKeys[i]));
99 _serverRadios[i].addActionListener(changeListener);
100 serverRadioGroup.add(_serverRadios[i]);
101 mainPanel.add(_serverRadios[i]);
103 // entry field for other server urls
104 mainPanel.add(new JLabel(I18nManager.getText("dialog.setmapbg.server")));
105 _serverUrl = new JTextField("", 12);
106 _serverUrl.addKeyListener(new KeyAdapter() {
107 public void keyReleased(KeyEvent e) {
108 super.keyReleased(e);
112 mainPanel.add(_serverUrl);
113 dialogPanel.add(mainPanel, BorderLayout.NORTH);
115 // button panel at bottom
116 JPanel buttonPanel = new JPanel();
117 buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
118 _okButton = new JButton(I18nManager.getText("button.ok"));
119 ActionListener okListener = new ActionListener() {
120 public void actionPerformed(ActionEvent e)
125 _okButton.addActionListener(okListener);
126 buttonPanel.add(_okButton);
127 JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
128 cancelButton.addActionListener(new ActionListener() {
129 public void actionPerformed(ActionEvent e)
134 buttonPanel.add(cancelButton);
135 dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
141 * Get the initial values from the Config and set gui values accordingly
143 private void initValues()
145 // Get values from config
147 _serverRadios[Config.getMapServerIndex()].setSelected(true);
149 catch (ArrayIndexOutOfBoundsException e) {} // ignore
150 String url = Config.getMapServerUrl();
151 if (url != null) {_serverUrl.setText(url);}
152 // Choose default if none selected
153 if (getSelectedServer() < 0) {
154 _serverRadios[0].setSelected(true);
159 * @return index of selected radio button, or -1 if none
161 private int getSelectedServer()
163 // Loop over all four radios
164 for (int i=0; i<4; i++) {
165 if (_serverRadios[i].isSelected()) {return i;}
172 * Enable or disable the OK button according to the selection
174 private void enableOK()
176 int serverNum = getSelectedServer();
177 _okButton.setEnabled(inputOK());
178 _serverUrl.setEnabled(serverNum == OTHER_SERVER_NUM);
182 * @return true if inputs are ok
184 private boolean inputOK()
186 int serverNum = getSelectedServer();
187 return serverNum >= 0 && (serverNum != OTHER_SERVER_NUM || _serverUrl.getText().length() > 4);
191 * Finish the dialog when OK pressed
193 private void finish()
195 int serverNum = getSelectedServer();
196 if (!inputOK()) {serverNum = 0;}
197 Config.setMapServerIndex(serverNum);
198 Config.setMapServerUrl(_serverUrl.getText());
199 UpdateMessageBroker.informSubscribers(DataSubscriber.MAPSERVER_CHANGED);