| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| /* |
| * Text example snippet: implement content assist |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet320 { |
| |
| public static void main(String [] args) { |
| final Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setLayout(new GridLayout()); |
| final Text text = new Text(shell, SWT.SINGLE | SWT.BORDER); |
| text.setLayoutData(new GridData(150, SWT.DEFAULT)); |
| shell.pack(); |
| shell.open(); |
| |
| final Shell popupShell = new Shell(display, SWT.ON_TOP); |
| popupShell.setLayout(new FillLayout()); |
| final Table table = new Table(popupShell, SWT.SINGLE); |
| for (int i = 0; i < 5; i++) { |
| new TableItem(table, SWT.NONE); |
| } |
| |
| text.addListener(SWT.KeyDown, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| switch (event.keyCode) { |
| case SWT.ARROW_DOWN: |
| int index = (table.getSelectionIndex() + 1) % table.getItemCount(); |
| table.setSelection(index); |
| event.doit = false; |
| break; |
| case SWT.ARROW_UP: |
| index = table.getSelectionIndex() - 1; |
| if (index < 0) index = table.getItemCount() - 1; |
| table.setSelection(index); |
| event.doit = false; |
| break; |
| case SWT.CR: |
| if (popupShell.isVisible() && table.getSelectionIndex() != -1) { |
| text.setText(table.getSelection()[0].getText()); |
| popupShell.setVisible(false); |
| } |
| break; |
| case SWT.ESC: |
| popupShell.setVisible(false); |
| break; |
| } |
| } |
| }); |
| text.addListener(SWT.Modify, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| String string = text.getText(); |
| if (string.length() == 0) { |
| popupShell.setVisible(false); |
| } else { |
| TableItem[] items = table.getItems(); |
| for (int i = 0; i < items.length; i++) { |
| items[i].setText(string + '-' + i); |
| } |
| Rectangle textBounds = display.map(shell, null, text.getBounds()); |
| popupShell.setBounds(textBounds.x, textBounds.y + textBounds.height, textBounds.width, 150); |
| popupShell.setVisible(true); |
| } |
| } |
| }); |
| |
| table.addListener(SWT.DefaultSelection, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| text.setText(table.getSelection()[0].getText()); |
| popupShell.setVisible(false); |
| } |
| }); |
| table.addListener(SWT.KeyDown, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| if (event.keyCode == SWT.ESC) { |
| popupShell.setVisible(false); |
| } |
| } |
| }); |
| |
| Listener focusOutListener = new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| /* async is needed to wait until focus reaches its new Control */ |
| display.asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| if (display.isDisposed()) return; |
| Control control = display.getFocusControl(); |
| if (control == null || (control != text && control != table)) { |
| popupShell.setVisible(false); |
| } |
| } |
| }); |
| } |
| }; |
| table.addListener(SWT.FocusOut, focusOutListener); |
| text.addListener(SWT.FocusOut, focusOutListener); |
| |
| shell.addListener(SWT.Move, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| popupShell.setVisible(false); |
| } |
| }); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) display.sleep(); |
| } |
| display.dispose(); |
| } |
| |
| } |