1 files changed, 0 insertions, 152 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet221.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet221.java
deleted file mode 100644
index 3e09e5923f..0000000000
--- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet221.java
+++ /dev/null
@@ -1,152 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2004 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;
-/* 
- * example snippet: Scroll table when mouse at top or bottom
- *
- * 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 Snippet221 {
-	static Runnable Heartbeat;
-	static boolean Tracking;
-	static int ScrollSpeed = 40;
-	
-public static void main(String[] args) {
-	final Display display = new Display();
-	Shell shell = new Shell(display);
-	shell.setLayout(new FillLayout());
-	final Tree tree = new Tree(shell, SWT.FULL_SELECTION | SWT.BORDER);
-	tree.setHeaderVisible(true);
-	TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
-	column0.setText("Column 0");
-	TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
-	column1.setText("Column 1");
-	TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
-	column2.setText("Column 2");
-	for (int i = 0; i < 9; i++) {
-		TreeItem item = new TreeItem(tree, SWT.NONE);
-		item.setText("item "+i);
-		item.setText(1, "column 1 - "+i);
-		item.setText(2, "column 2 - "+i);
-		for (int j = 0; j < 9; j++) {
-			TreeItem subItem = new TreeItem(item, SWT.NONE);
-			subItem.setText("item "+i+" "+j);
-			subItem.setText(1, "column 1 - "+i+" "+j);
-			subItem.setText(2, "column 2 - "+i+" "+j);
-			for (int k = 0; k < 9; k++) {
-				TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
-				subsubItem.setText("item "+i+" "+j+" "+k);
-				subsubItem.setText(1, "column 1 - "+i+" "+j+" "+k);
-				subsubItem.setText(2, "column 2 - "+i+" "+j+" "+k);
-			}
-		}
-	}
-	column0.pack();
-	column1.pack();
-	column2.pack();
-	
-	Heartbeat = new Runnable() {
-		public void run() {
-			if (!Tracking || tree.isDisposed()) return;
-			Point cursor = display.getCursorLocation();
-			cursor = display.map(null, tree, cursor);
-			Scroll(tree, cursor.x, cursor.y);
-			display.timerExec(ScrollSpeed, Heartbeat);
-		}
-	};
-	Listener listener = new Listener() {
-		public void handleEvent(Event event) {
-			switch (event.type) {
-			case SWT.MouseEnter:
-				Tracking = true;
-				display.timerExec(0, Heartbeat);
-				break;
-			case SWT.MouseExit:
-				Tracking = false;
-				break;
-			}
-		}
-	};
-	tree.addListener(SWT.MouseEnter, listener); 
-	tree.addListener(SWT.MouseExit, listener);
-	shell.open();
-	while (!shell.isDisposed()) {
-		if (!display.readAndDispatch())
-			display.sleep();
-	}
-	display.dispose();
-}
-static void Scroll(Tree tree, int x, int y) {
-	TreeItem item = tree.getItem(new Point(x, y));
-	if (item == null) return;
-	Rectangle area = tree.getClientArea();
-	int headerHeight = tree.getHeaderHeight();
-	int itemHeight= tree.getItemHeight();
-	TreeItem nextItem = null;
-	if (y < area.y + headerHeight + 2 * itemHeight) {
-		nextItem = PreviousItem(tree, item);
-	}
-	if (y > area.y + area.height - 2 * itemHeight) {
-		nextItem = NextItem(tree, item);
-	}
-	if (nextItem != null) tree.showItem(nextItem);
-}
-
-static TreeItem PreviousItem(Tree tree, TreeItem item) {
-	if (item == null) return null;
-	TreeItem childItem = item;
-	TreeItem parentItem = childItem.getParentItem();
-	int index = parentItem == null ? tree.indexOf(childItem) : parentItem.indexOf(childItem);
-	if (index == 0) {
-		return parentItem;
-	} else {
-		TreeItem nextItem = parentItem == null ? tree.getItem(index-1) : parentItem.getItem(index-1);
-		int count = nextItem.getItemCount();
-		while (count > 0 && nextItem.getExpanded()) {
-			nextItem = nextItem.getItem(count - 1);
-			count = nextItem.getItemCount();
-		}
-		return nextItem;
-	}
-}
-static TreeItem NextItem(Tree tree, TreeItem item) {
-	if (item == null) return null;
-	if (item.getExpanded()) {
-		return item.getItem(0);
-	} else {
-		TreeItem childItem = item;
-		TreeItem parentItem = childItem.getParentItem();
-		int index = parentItem == null ? tree.indexOf(childItem) : parentItem.indexOf(childItem);
-		int count = parentItem == null ? tree.getItemCount() : parentItem.getItemCount();
-		while (true) {
-			if (index + 1 < count) {
-				return parentItem == null ? tree.getItem(index + 1) : parentItem.getItem(index + 1);
-			} else {
-				if (parentItem == null) {
-					return null;
-				} else {
-					childItem = parentItem;
-					parentItem = childItem.getParentItem();
-					index = parentItem == null ? tree.indexOf(childItem) : parentItem.indexOf(childItem);
-					count = parentItem == null ? tree.getItemCount() : parentItem.getItemCount();
-				}
-			}
-		}
-	}
-}
-}