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/*******************************************************************************
* Copyright (c) 2007 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;
/*
* Table example snippet: Draw left aligned icon, text and selection
*
* 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 Snippet283 {
public static void main(String[] args) {
Display display = new Display();
Image image = new Image (display, Snippet283.class.getResourceAsStream("eclipse.png"));
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Table table = new Table(shell, SWT.FULL_SELECTION);
for (int i = 0; i < 8; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText ("Item " + i + " with long text that scrolls.");
if (i % 2 == 1) item.setImage (image);
}
table.addListener(SWT.MouseDown, new Listener() {
public void handleEvent(Event event) {
Rectangle rect = table.getClientArea ();
Point point = new Point (event.x, event.y);
if (table.getItem(point) != null) return;
for (int i=table.getTopIndex (); i<table.getItemCount(); i++) {
TableItem item = table.getItem (i);
Rectangle itemRect = item.getBounds ();
if (!itemRect.intersects (rect)) return;
itemRect.x = rect.x;
itemRect.width = rect.width;
if (itemRect.contains (point)) {
table.setSelection (item);
Event selectionEvent = new Event ();
selectionEvent.item = item;
table.notifyListeners(SWT.Selection, selectionEvent);
return;
}
}
}
});
/*
* NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
* Therefore, it is critical for performance that these methods be
* as efficient as possible.
*/
table.addListener(SWT.EraseItem, new Listener() {
public void handleEvent(Event event) {
event.detail &= ~SWT.FOREGROUND;
String osName = System.getProperty("os.name");
if (osName != null && osName.indexOf ("Windows") != -1) {
if (osName.indexOf ("Vista") != -1 || osName.indexOf ("unknown") != -1) {
return;
}
}
event.detail &= ~(SWT.FOREGROUND | SWT.SELECTED | SWT.HOT | SWT.FOCUSED);
GC gc = event.gc;
TableItem item = (TableItem)event.item;
Rectangle rect = table.getClientArea ();
Rectangle itemRect = item.getBounds ();
itemRect.x = rect.x;
itemRect.width = rect.width;
gc.setClipping ((Rectangle) null);
gc.fillRectangle (itemRect);
}
});
table.addListener(SWT.PaintItem, new Listener() {
public void handleEvent(Event event) {
TableItem item = (TableItem)event.item;
GC gc = event.gc;
Image image = item.getImage (0);
String text = item.getText (0);
Point textExtent = gc.stringExtent (text);
Rectangle imageRect = item.getImageBounds(0);
Rectangle textRect = item.getTextBounds (0);
int textY = textRect.y + Math.max (0, (textRect.height - textExtent.y) / 2);
if (image == null) {
gc.drawString(text, imageRect.x, textY, true);
} else {
Rectangle imageExtent = image.getBounds ();
int imageY = imageRect.y + Math.max (0, (imageRect.height - imageExtent.height) / 2);
gc.drawImage (image, imageRect.x, imageY);
gc.drawString (text, textRect.x, textY, true);
}
}
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
}
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