Attachment 260343 Details for Bug 489751 – Sample code

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Sample code

TreeTest.java (text/plain), 1.84 KB, created by Thomas Singer

on 2016-03-16 10:16:48 EDT

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Filename:

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Creator: Thomas Singer

Created: 2016-03-16 10:16:48 EDT

Size: 1.84 KB

patch

obsolete

>import java.util.*;
>
>import org.eclipse.swt.*;
>import org.eclipse.swt.layout.*;
>import org.eclipse.swt.widgets.*;
>
>public class TreeTest {
>
>	private static final boolean DISPOSE_DIRECTLY = true;
>
>	public static void main(String[] args) {
>		final Display display = new Display ();
>		final Shell shell = new Shell (display);
>		shell.setLayout(new FillLayout());
>		final Tree tree = new Tree (shell, SWT.BORDER);
>		for (int i=0; i<4; i++) {
>			TreeItem iItem = new TreeItem (tree, 0);
>			iItem.setText ("TreeItem (0) -" + i);
>			for (int j=0; j<4; j++) {
>				TreeItem jItem = new TreeItem (iItem, 0);
>				jItem.setText ("TreeItem (1) -" + j);
>				for (int k=0; k<4; k++) {
>					TreeItem kItem = new TreeItem (jItem, 0);
>					kItem.setText ("TreeItem (2) -" + k);
>					for (int l=0; l<4; l++) {
>						TreeItem lItem = new TreeItem(kItem, 0);
>						lItem.setText ("TreeItem (3) -" + l);
>					}
>				}
>			}
>		}
>
>		final TreeItem firstNode = tree.getItem(0);
>		firstNode.setExpanded(true);
>		tree.setSelection(firstNode.getItem(3));
>
>		shell.setSize(200, 200);
>		shell.open();
>
>		display.timerExec(1000, new Runnable() {
>			@Override
>			public void run() {
>				if (shell.isDisposed()) {
>					return;
>				}
>
>				// replace selected node
>				final TreeItem[] selection = tree.getSelection();
>				if (selection.length != 1) {
>					return;
>				}
>
>				final TreeItem item = selection[0];
>				final TreeItem parentItem = item.getParentItem();
>				if (parentItem == null) {
>					return;
>				}
>
>				tree.deselectAll();
>
>				if (DISPOSE_DIRECTLY) {
>					item.dispose();
>				}
>				else {
>					display.asyncExec(new Runnable() {
>						@Override
>						public void run() {
>							if (!item.isDisposed()) {
>								return;
>							}
>
>							item.dispose();
>						}
>					});
>				}
>			}
>		});
>
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch ()) display.sleep ();
>		}
>		display.dispose();
>	}
>}

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Attachments on bug 489751: 260343