public class Snippet015MultiColumn {


	private static class MyContentProvider implements ITreeContentProvider {

			private static final String ROOT = "Root";

			public Object[] getElements(Object inputElement) {
				return new Object[]{ROOT};
			}

			public void dispose() {
				
			}

			public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
				
				
			}

			public Object[] getChildren(Object parentElement) {
				if(parentElement.equals(ROOT))
					return new String[] { "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten" };
				return new Object[0];
			}

			public Object getParent(Object element) {
				return null;
			}

			public boolean hasChildren(Object element) {
				return element.equals(ROOT);
			}
		}
		
	static class MyCellLabelProvider extends CellLabelProvider implements ILabelProvider, ITableLabelProvider{
		/* (non-Javadoc)
		 * @see org.eclipse.jface.viewers.ViewerLabelProvider#getTooltipText(java.lang.Object)
		 */
		public String getToolTipText(Object element) {
			return "Tooltip (" + element + ")";
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.viewers.ViewerLabelProvider#getTooltipShift(java.lang.Object)
		 */
		public Point getToolTipShift(Object object) {
			return new Point(5,5);
		}

		
		/* (non-Javadoc)
		 * @see org.eclipse.jface.viewers.ViewerLabelProvider#getTooltipDisplayDelayTime(java.lang.Object)
		 */
		public int getToolTipDisplayDelayTime(Object object) {
			return 200;
		}

		/* (non-Javadoc)
		 * @see org.eclipse.jface.viewers.ViewerLabelProvider#getTooltipTimeDisplayed(java.lang.Object)
		 */
		public int getToolTipTimeDisplayed(Object object) {
			return 5000;
		}
		
		public void update(ViewerCell cell) {
			cell.setText(cell.getElement().toString());
			
		}

		@Override
		public Image getColumnImage(Object element, int columnIndex) {
			return null;
		}

		@Override
		public String getColumnText(Object element, int columnIndex) {
			return element + " @ "+columnIndex;
		}

		@Override
		public Image getImage(Object element) {
			return null;
		}

		@Override
		public String getText(Object element) {
			return element.toString();
		}
	}
	
		/**
		 * @param args
		 */
		public static void main(String[] args) {
			final Display display = new Display ();
			Shell shell = new Shell (display);
		    shell.setLayout(new FillLayout());
		    
		    TreeViewer v = new TreeViewer(shell,SWT.FULL_SELECTION);
		    v.getTree().setLinesVisible(true);
		    v.getTree().setHeaderVisible(true);
		    ColumnViewerToolTipSupport.enableFor(v);
		    
		    v.setContentProvider(new MyContentProvider());
		    
		    CellLabelProvider labelProvider = new MyCellLabelProvider();
/* --- Remove from here to disable multi-column */
		    String[] colids = new String[3];
		    for (int i = 0; i < 3 ; i++){
		    	TreeViewerColumn column = new TreeViewerColumn(v, SWT.NONE);
		    	column.setLabelProvider(labelProvider);
		    	TreeColumn col  = column.getColumn();
				col.setResizable(true);
				col.setWidth(150);
		    	colids[i] = Integer.toString(i);
		    }
		    v.setColumnProperties(colids);
/* --- Remove to here to disable multi-column */
		    v.setLabelProvider(labelProvider);
		    v.setInput("");
		    
		    shell.setSize(200,200);
		    shell.open ();
		    
		    while (!shell.isDisposed()) {
		        if (!display.readAndDispatch ()) {
		        	display.sleep ();
		        }
		    }
		    
		    display.dispose ();
		}

	}