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Diffstat (limited to 'examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet240.java')
-rw-r--r-- | examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet240.java | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet240.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet240.java deleted file mode 100644 index de8a1b4349..0000000000 --- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet240.java +++ /dev/null @@ -1,100 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2006 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; - -/* - * Tree snippet: Text that spans multiple columns - * - * For a list of all SWT example snippets see - * http://www.eclipse.org/swt/snippets/ - * - * @since 3.2 - */ - -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; - -public class Snippet240 { - -public static void main(String [] args) { - final Display display = new Display(); - Shell shell = new Shell (display); - shell.setText("Text spans two columns in a TreeItem"); - shell.setLayout (new FillLayout()); - final Tree tree = new Tree(shell, SWT.MULTI | SWT.FULL_SELECTION); - tree.setHeaderVisible(true); - int columnCount = 4; - for (int i=0; i<columnCount; i++) { - TreeColumn column = new TreeColumn(tree, SWT.NONE); - column.setText("Column " + i); - } - int itemCount = 8; - for (int i = 0; i < itemCount; i++) { - TreeItem item = new TreeItem(tree, SWT.NONE); - item.setText(0, "item "+i+" a"); - item.setText(3, "item "+i+" d"); - for (int j = 0; j < 3; j++) { - TreeItem subItem = new TreeItem(item, SWT.NONE); - subItem.setText(0, "subItem "+i+"-"+j+" a"); - subItem.setText(3, "subItem "+i+"-"+j+" d"); - } - } - /* - * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly. - * Therefore, it is critical for performance that these methods be - * as efficient as possible. - */ - final String string = "text that spans two columns"; - GC gc = new GC(tree); - final Point extent = gc.stringExtent(string); - gc.dispose(); - final Color red = display.getSystemColor(SWT.COLOR_RED); - Listener paintListener = new Listener() { - public void handleEvent(Event event) { - switch(event.type) { - case SWT.MeasureItem: { - if (event.index == 1 || event.index == 2) { - event.width = extent.x/2; - event.height = Math.max(event.height, extent.y + 2); - } - break; - } - case SWT.PaintItem: { - if (event.index == 1 || event.index == 2) { - int offset = 0; - if (event.index == 2) { - TreeColumn column1 = tree.getColumn(1); - offset = column1.getWidth(); - } - event.gc.setForeground(red); - int y = event.y + (event.height - extent.y)/2; - event.gc.drawString(string, event.x - offset, y, true); - } - break; - } - } - } - }; - tree.addListener(SWT.MeasureItem, paintListener); - tree.addListener(SWT.PaintItem, paintListener); - for (int i = 0; i < columnCount; i++) { - tree.getColumn(i).pack(); - } - shell.pack(); - shell.open(); - while(!shell.isDisposed()) { - if(!display.readAndDispatch()) display.sleep(); - } - display.dispose(); -} -}
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