+++ /dev/null
-/*
- * Jexer - Java Text User Interface
- *
- * The MIT License (MIT)
- *
- * Copyright (C) 2019 Kevin Lamonte
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * @author Kevin Lamonte [kevin.lamonte@gmail.com]
- * @version 1
- */
-package jexer;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.ResourceBundle;
-
-import jexer.bits.StringUtils;
-import jexer.event.TKeypressEvent;
-import static jexer.TKeypress.*;
-
-/**
- * TMessageBox is a system-modal dialog with buttons for OK, Cancel, Yes, or
- * No. Call it like:
- *
- * <pre>
- * {@code
- * box = messageBox(title, caption,
- * TMessageBox.Type.OK | TMessageBox.Type.CANCEL);
- *
- * if (box.getResult() == TMessageBox.OK) {
- * ... the user pressed OK, do stuff ...
- * }
- * }
- * </pre>
- *
- */
-public class TMessageBox extends TWindow {
-
- /**
- * Translated strings.
- */
- private static final ResourceBundle i18n = ResourceBundle.getBundle(TMessageBox.class.getName());
-
- // ------------------------------------------------------------------------
- // Constants --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Message boxes have these supported types.
- */
- public enum Type {
- /**
- * Show an OK button.
- */
- OK,
-
- /**
- * Show both OK and Cancel buttons.
- */
- OKCANCEL,
-
- /**
- * Show both Yes and No buttons.
- */
- YESNO,
-
- /**
- * Show Yes, No, and Cancel buttons.
- */
- YESNOCANCEL
- };
-
- /**
- * Message boxes have these possible results.
- */
- public enum Result {
- /**
- * User clicked "OK".
- */
- OK,
-
- /**
- * User clicked "Cancel".
- */
- CANCEL,
-
- /**
- * User clicked "Yes".
- */
- YES,
-
- /**
- * User clicked "No".
- */
- NO
- };
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * The type of this message box.
- */
- private Type type;
-
- /**
- * My buttons.
- */
- private List<TButton> buttons;
-
- /**
- * Which button was clicked: OK, CANCEL, YES, or NO.
- */
- private Result result = Result.OK;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Public constructor. The message box will be centered on screen.
- *
- * @param application TApplication that manages this window
- * @param title window title, will be centered along the top border
- * @param caption message to display. Use embedded newlines to get a
- * multi-line box.
- */
- public TMessageBox(final TApplication application, final String title,
- final String caption) {
-
- this(application, title, caption, Type.OK, true);
- }
-
- /**
- * Public constructor. The message box will be centered on screen.
- *
- * @param application TApplication that manages this window
- * @param title window title, will be centered along the top border
- * @param caption message to display. Use embedded newlines to get a
- * multi-line box.
- * @param type one of the Type constants. Default is Type.OK.
- */
- public TMessageBox(final TApplication application, final String title,
- final String caption, final Type type) {
-
- this(application, title, caption, type, true);
- }
-
- /**
- * Public constructor. The message box will be centered on screen.
- *
- * @param application TApplication that manages this window
- * @param title window title, will be centered along the top border
- * @param caption message to display. Use embedded newlines to get a
- * multi-line box.
- * @param type one of the Type constants. Default is Type.OK.
- * @param yield if true, yield this Thread. Subclasses need to set this
- * to false and yield at their end of their constructor intead.
- */
- protected TMessageBox(final TApplication application, final String title,
- final String caption, final Type type, final boolean yield) {
-
- // Start as 100x100 at (1, 1). These will be changed later.
- super(application, title, 1, 1, 100, 100, CENTERED | MODAL);
-
- // Hang onto type so that we can provide more convenience in
- // onKeypress().
- this.type = type;
-
- // Determine width and height
- String [] lines = caption.split("\n");
- int width = StringUtils.width(title) + 12;
- setHeight(6 + lines.length);
- for (String line: lines) {
- if (StringUtils.width(line) + 4 > width) {
- width = StringUtils.width(line) + 4;
- }
- }
- setWidth(width);
- if (getWidth() > getScreen().getWidth()) {
- setWidth(getScreen().getWidth());
- }
- // Re-center window to get an appropriate (x, y)
- center();
-
- // Now add my elements
- int lineI = 1;
- for (String line: lines) {
- addLabel(line, 1, lineI, "twindow.background.modal");
- lineI++;
- }
-
- // The button line
- lineI++;
- buttons = new ArrayList<TButton>();
-
- int buttonX = 0;
-
- // Setup button actions
- switch (type) {
-
- case OK:
- result = Result.OK;
- if (getWidth() < 15) {
- setWidth(15);
- }
- buttonX = (getWidth() - 11) / 2;
- buttons.add(addButton(i18n.getString("okButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.OK;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- break;
-
- case OKCANCEL:
- result = Result.CANCEL;
- if (getWidth() < 26) {
- setWidth(26);
- }
- buttonX = (getWidth() - 22) / 2;
- buttons.add(addButton(i18n.getString("okButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.OK;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- buttonX += 8 + 4;
- buttons.add(addButton(i18n.getString("cancelButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.CANCEL;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- break;
-
- case YESNO:
- result = Result.NO;
- if (getWidth() < 20) {
- setWidth(20);
- }
- buttonX = (getWidth() - 16) / 2;
- buttons.add(addButton(i18n.getString("yesButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.YES;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- buttonX += 5 + 4;
- buttons.add(addButton(i18n.getString("noButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.NO;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- break;
-
- case YESNOCANCEL:
- result = Result.CANCEL;
- if (getWidth() < 31) {
- setWidth(31);
- }
- buttonX = (getWidth() - 27) / 2;
- buttons.add(addButton(i18n.getString("yesButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.YES;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- buttonX += 5 + 4;
- buttons.add(addButton(i18n.getString("noButton"), buttonX, lineI,
- new TAction() {
- public void DO() {
- result = Result.NO;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- buttonX += 4 + 4;
- buttons.add(addButton(i18n.getString("cancelButton"), buttonX,
- lineI,
- new TAction() {
- public void DO() {
- result = Result.CANCEL;
- getApplication().closeWindow(TMessageBox.this);
- }
- }
- )
- );
- break;
-
- default:
- throw new IllegalArgumentException("Invalid message box type: " +
- type);
- }
-
- if (yield) {
- // Set the secondaryThread to run me
- getApplication().enableSecondaryEventReceiver(this);
-
- // Yield to the secondary thread. When I come back from the
- // constructor response will already be set.
- getApplication().yield();
- }
- }
-
- // ------------------------------------------------------------------------
- // TWindow ----------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
-
- if (this instanceof TInputBox) {
- super.onKeypress(keypress);
- return;
- }
-
- // Some convenience for message boxes: Alt won't be needed for the
- // buttons.
- switch (type) {
-
- case OK:
- if (keypress.equals(kbO)) {
- buttons.get(0).dispatch();
- return;
- }
- break;
-
- case OKCANCEL:
- if (keypress.equals(kbO)) {
- buttons.get(0).dispatch();
- return;
- } else if (keypress.equals(kbC)) {
- buttons.get(1).dispatch();
- return;
- }
- break;
-
- case YESNO:
- if (keypress.equals(kbY)) {
- buttons.get(0).dispatch();
- return;
- } else if (keypress.equals(kbN)) {
- buttons.get(1).dispatch();
- return;
- }
- break;
-
- case YESNOCANCEL:
- if (keypress.equals(kbY)) {
- buttons.get(0).dispatch();
- return;
- } else if (keypress.equals(kbN)) {
- buttons.get(1).dispatch();
- return;
- } else if (keypress.equals(kbC)) {
- buttons.get(2).dispatch();
- return;
- }
- break;
-
- default:
- throw new IllegalArgumentException("Invalid message box type: " +
- type);
- }
-
- super.onKeypress(keypress);
- }
-
- // ------------------------------------------------------------------------
- // TMessageBox ------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Get the result.
- *
- * @return the result: OK, CANCEL, YES, or NO.
- */
- public final Result getResult() {
- return result;
- }
-
- /**
- * See if the user clicked YES.
- *
- * @return true if the user clicked YES
- */
- public final boolean isYes() {
- return (result == Result.YES);
- }
-
- /**
- * See if the user clicked NO.
- *
- * @return true if the user clicked NO
- */
- public final boolean isNo() {
- return (result == Result.NO);
- }
-
- /**
- * See if the user clicked OK.
- *
- * @return true if the user clicked OK
- */
- public final boolean isOk() {
- return (result == Result.OK);
- }
-
- /**
- * See if the user clicked CANCEL.
- *
- * @return true if the user clicked CANCEL
- */
- public final boolean isCancel() {
- return (result == Result.CANCEL);
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff