| 1 | package com.googlecode.lanterna.gui2.dialogs; |
| 2 | |
| 3 | import com.googlecode.lanterna.TerminalSize; |
| 4 | import com.googlecode.lanterna.gui2.*; |
| 5 | |
| 6 | /** |
| 7 | * Simple message dialog that displays a message and has optional selection/confirmation buttons |
| 8 | * |
| 9 | * @author Martin |
| 10 | */ |
| 11 | public class MessageDialog extends DialogWindow { |
| 12 | |
| 13 | private MessageDialogButton result; |
| 14 | |
| 15 | MessageDialog( |
| 16 | String title, |
| 17 | String text, |
| 18 | MessageDialogButton... buttons) { |
| 19 | |
| 20 | super(title); |
| 21 | this.result = null; |
| 22 | if(buttons == null || buttons.length == 0) { |
| 23 | buttons = new MessageDialogButton[] { MessageDialogButton.OK }; |
| 24 | } |
| 25 | |
| 26 | Panel buttonPanel = new Panel(); |
| 27 | buttonPanel.setLayoutManager(new GridLayout(buttons.length).setHorizontalSpacing(1)); |
| 28 | for(final MessageDialogButton button: buttons) { |
| 29 | buttonPanel.addComponent(new Button(button.toString(), new Runnable() { |
| 30 | @Override |
| 31 | public void run() { |
| 32 | result = button; |
| 33 | close(); |
| 34 | } |
| 35 | })); |
| 36 | } |
| 37 | |
| 38 | Panel mainPanel = new Panel(); |
| 39 | mainPanel.setLayoutManager( |
| 40 | new GridLayout(1) |
| 41 | .setLeftMarginSize(1) |
| 42 | .setRightMarginSize(1)); |
| 43 | mainPanel.addComponent(new Label(text)); |
| 44 | mainPanel.addComponent(new EmptySpace(TerminalSize.ONE)); |
| 45 | buttonPanel.setLayoutData( |
| 46 | GridLayout.createLayoutData( |
| 47 | GridLayout.Alignment.END, |
| 48 | GridLayout.Alignment.CENTER, |
| 49 | false, |
| 50 | false)) |
| 51 | .addTo(mainPanel); |
| 52 | setComponent(mainPanel); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * {@inheritDoc} |
| 57 | * @param textGUI Text GUI to add the dialog to |
| 58 | * @return The selected button's enum value |
| 59 | */ |
| 60 | @Override |
| 61 | public MessageDialogButton showDialog(WindowBasedTextGUI textGUI) { |
| 62 | result = null; |
| 63 | super.showDialog(textGUI); |
| 64 | return result; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Shortcut for quickly displaying a message box |
| 69 | * @param textGUI The GUI to display the message box on |
| 70 | * @param title Title of the message box |
| 71 | * @param text Main message of the message box |
| 72 | * @param buttons Buttons that the user can confirm the message box with |
| 73 | * @return Which button the user selected |
| 74 | */ |
| 75 | public static MessageDialogButton showMessageDialog( |
| 76 | WindowBasedTextGUI textGUI, |
| 77 | String title, |
| 78 | String text, |
| 79 | MessageDialogButton... buttons) { |
| 80 | MessageDialogBuilder builder = new MessageDialogBuilder() |
| 81 | .setTitle(title) |
| 82 | .setText(text); |
| 83 | if(buttons.length == 0) { |
| 84 | builder.addButton(MessageDialogButton.OK); |
| 85 | } |
| 86 | for(MessageDialogButton button: buttons) { |
| 87 | builder.addButton(button); |
| 88 | } |
| 89 | return builder.build().showDialog(textGUI); |
| 90 | } |
| 91 | } |