| 1 | package com.googlecode.lanterna.gui2.dialogs; |
| 2 | |
| 3 | import com.googlecode.lanterna.TerminalSize; |
| 4 | import com.googlecode.lanterna.gui2.*; |
| 5 | |
| 6 | import java.util.List; |
| 7 | |
| 8 | /** |
| 9 | * Dialog containing a multiple item action list box |
| 10 | * @author Martin |
| 11 | */ |
| 12 | public class ActionListDialog extends DialogWindow { |
| 13 | |
| 14 | ActionListDialog( |
| 15 | String title, |
| 16 | String description, |
| 17 | TerminalSize actionListPreferredSize, |
| 18 | boolean canCancel, |
| 19 | List<Runnable> actions) { |
| 20 | |
| 21 | super(title); |
| 22 | if(actions.isEmpty()) { |
| 23 | throw new IllegalStateException("ActionListDialog needs at least one item"); |
| 24 | } |
| 25 | |
| 26 | ActionListBox listBox = new ActionListBox(actionListPreferredSize); |
| 27 | for(final Runnable action: actions) { |
| 28 | listBox.addItem(action.toString(), new Runnable() { |
| 29 | @Override |
| 30 | public void run() { |
| 31 | action.run(); |
| 32 | close(); |
| 33 | } |
| 34 | }); |
| 35 | } |
| 36 | |
| 37 | Panel mainPanel = new Panel(); |
| 38 | mainPanel.setLayoutManager( |
| 39 | new GridLayout(1) |
| 40 | .setLeftMarginSize(1) |
| 41 | .setRightMarginSize(1)); |
| 42 | if(description != null) { |
| 43 | mainPanel.addComponent(new Label(description)); |
| 44 | mainPanel.addComponent(new EmptySpace(TerminalSize.ONE)); |
| 45 | } |
| 46 | listBox.setLayoutData( |
| 47 | GridLayout.createLayoutData( |
| 48 | GridLayout.Alignment.FILL, |
| 49 | GridLayout.Alignment.CENTER, |
| 50 | true, |
| 51 | false)) |
| 52 | .addTo(mainPanel); |
| 53 | mainPanel.addComponent(new EmptySpace(TerminalSize.ONE)); |
| 54 | |
| 55 | if(canCancel) { |
| 56 | Panel buttonPanel = new Panel(); |
| 57 | buttonPanel.setLayoutManager(new GridLayout(2).setHorizontalSpacing(1)); |
| 58 | buttonPanel.addComponent(new Button(LocalizedString.Cancel.toString(), new Runnable() { |
| 59 | @Override |
| 60 | public void run() { |
| 61 | onCancel(); |
| 62 | } |
| 63 | }).setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.CENTER, GridLayout.Alignment.CENTER, true, false))); |
| 64 | buttonPanel.setLayoutData( |
| 65 | GridLayout.createLayoutData( |
| 66 | GridLayout.Alignment.END, |
| 67 | GridLayout.Alignment.CENTER, |
| 68 | false, |
| 69 | false)) |
| 70 | .addTo(mainPanel); |
| 71 | } |
| 72 | setComponent(mainPanel); |
| 73 | } |
| 74 | |
| 75 | private void onCancel() { |
| 76 | close(); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Helper method for immediately displaying a {@code ActionListDialog}, the method will return when the dialog is |
| 81 | * closed |
| 82 | * @param textGUI Text GUI the dialog should be added to |
| 83 | * @param title Title of the dialog |
| 84 | * @param description Description of the dialog |
| 85 | * @param items Items in the {@code ActionListBox}, the label will be taken from each {@code Runnable} by calling |
| 86 | * {@code toString()} on each one |
| 87 | */ |
| 88 | public static void showDialog(WindowBasedTextGUI textGUI, String title, String description, Runnable... items) { |
| 89 | ActionListDialog actionListDialog = new ActionListDialogBuilder() |
| 90 | .setTitle(title) |
| 91 | .setDescription(description) |
| 92 | .addActions(items) |
| 93 | .build(); |
| 94 | actionListDialog.showDialog(textGUI); |
| 95 | } |
| 96 | } |