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Diffstat (limited to 'examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet296.java')
-rw-r--r-- | examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet296.java | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet296.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet296.java deleted file mode 100644 index e4c6dab7e5..0000000000 --- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet296.java +++ /dev/null @@ -1,100 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 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; - -/* - * ScrolledComposite snippet: use a ScrolledComposite to scroll a Tree vertically - * - * For a list of all SWT example snippets see - * http://www.eclipse.org/swt/snippets/ - */ -import org.eclipse.swt.*; -import org.eclipse.swt.custom.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.widgets.*; - -public class Snippet296 { - -public static void main (String[] args) { - final Display display = new Display (); - Shell shell = new Shell (display); - shell.setBounds (10, 10, 300, 300); - final ScrolledComposite sc = new ScrolledComposite (shell, SWT.VERTICAL); - sc.setBounds (10, 10, 280, 200); - final int clientWidth = sc.getClientArea ().width; - - final Tree tree = new Tree (sc, SWT.NONE); - for (int i = 0; i < 99; i++) { - TreeItem item = new TreeItem (tree, SWT.NONE); - item.setText ("item " + i); - new TreeItem (item, SWT.NONE).setText ("child"); - } - sc.setContent (tree); - int prefHeight = tree.computeSize (SWT.DEFAULT, SWT.DEFAULT).y; - tree.setSize (clientWidth, prefHeight); - /* - * The following listener ensures that the Tree is always large - * enough to not need to show its own vertical scrollbar. - */ - tree.addTreeListener (new TreeListener () { - public void treeExpanded (TreeEvent e) { - int prefHeight = tree.computeSize (SWT.DEFAULT, SWT.DEFAULT).y; - tree.setSize (clientWidth, prefHeight); - } - public void treeCollapsed (TreeEvent e) { - int prefHeight = tree.computeSize (SWT.DEFAULT, SWT.DEFAULT).y; - tree.setSize (clientWidth, prefHeight); - } - }); - /* - * The following listener ensures that a newly-selected item - * in the Tree is always visible. - */ - tree.addSelectionListener(new SelectionAdapter() { - public void widgetSelected(SelectionEvent e) { - TreeItem [] selectedItems = tree.getSelection(); - if (selectedItems.length > 0) { - Rectangle itemRect = selectedItems[0].getBounds(); - Rectangle area = sc.getClientArea(); - Point origin = sc.getOrigin(); - if (itemRect.x < origin.x || itemRect.y < origin.y - || itemRect.x + itemRect.width > origin.x + area.width - || itemRect.y + itemRect.height > origin.y + area.height) { - sc.setOrigin(itemRect.x, itemRect.y); - } - } - } - }); - - Button downButton = new Button (shell, SWT.PUSH); - downButton.setBounds (10, 220, 120, 30); - downButton.setText ("Down 10px"); - downButton.addListener (SWT.Selection, new Listener () { - public void handleEvent (Event event) { - sc.setOrigin (0, sc.getOrigin ().y + 10); - } - }); - Button upButton = new Button (shell, SWT.PUSH); - upButton.setBounds (140, 220, 120, 30); - upButton.setText ("Up 10px"); - upButton.addListener (SWT.Selection, new Listener () { - public void handleEvent (Event event) { - sc.setOrigin (0, sc.getOrigin ().y - 10); - } - }); - shell.open (); - while (!shell.isDisposed ()) { - if (!display.readAndDispatch ()) display.sleep (); - } - display.dispose (); -} -} |