examplegui.java

实现Table的很多功能 具有类似Excel的特征

            }
        );
    }
    

    /**
     * Constructs a simple text table. 
     * The table model is directly created from the interface KTableModel.
     * Editors are KTableCellEditorText and KTableCellEditorCombo.<p>
     * NOTE that this shows how to set an Excel-like mouse cursor for the 
     * KTable. If setCursor() is used, the cursor is not preserved and will 
     * be swiched back to the default cursor when a resize cursor or something
     * else is shown. 
     */
    private static void createTextTable(TabFolder tabFolder) {
		TabItem item1 = new TabItem(tabFolder, SWT.NONE);
		item1.setText("Text Table");
		Composite comp1 = new Composite(tabFolder, SWT.NONE);
		item1.setControl(comp1);
		comp1.setLayout(new FillLayout());
		final KTable table = new KTable(comp1, SWT.FULL_SELECTION | SWT.MULTI | SWT.V_SCROLL 
				| SWT.H_SCROLL | SWTX.FILL_WITH_LASTCOL | SWTX.EDIT_ON_KEY);
		table.setModel(new TextModelExample());
		table.addCellSelectionListener(
			new KTableCellSelectionListener()
			{
			    public void cellSelected(int col, int row, int statemask) {
					System.out.println("Cell ["+col+";"+row+"] selected.");
				}
				
				public void fixedCellSelected(int col, int row, int statemask) {
					System.out.println("Header ["+col+";"+row+"] selected.");
				}
			}
		);
	
		table.addCellResizeListener(
			new KTableCellResizeListener()
			{
				public void columnResized(int col, int newWidth) {
					System.out.println("Column "+col+" resized to "+newWidth);
				}
				public void rowResized(int row, int newHeight) {
					System.out.println("Row "+row+" resized to "+newHeight);
				}
			}
		);
		
		/**
		 *  Set Excel-like table cursors
		 */

        if ( SWT.getPlatform().equals("win32") ) {
			
			// Cross

			Image crossCursor = SWTX.loadImageResource(table.getDisplay(), "/icons/cross_win32.gif");
			
			// Row Resize
			
			Image row_resizeCursor = SWTX.loadImageResource(table.getDisplay(), "/icons/row_resize_win32.gif");
			
			// Column Resize
			
			Image column_resizeCursor  = SWTX.loadImageResource(table.getDisplay(), "/icons/column_resize_win32.gif");
		
			// we set the hotspot to the center, so calculate the number of pixels from hotspot to lower border:
			
			Rectangle crossBound        = crossCursor.getBounds();
			Rectangle rowresizeBound    = row_resizeCursor.getBounds();
			Rectangle columnresizeBound = column_resizeCursor.getBounds();
			
			Point crossSize        = new Point(crossBound.width/2, crossBound.height/2);
			Point rowresizeSize    = new Point(rowresizeBound.width/2, rowresizeBound.height/2);
			Point columnresizeSize = new Point(columnresizeBound.width/2, columnresizeBound.height/2);
			
			table.setDefaultCursor(new Cursor(table.getDisplay(), crossCursor.getImageData(), crossSize.x, crossSize.y), crossSize);
			table.setDefaultRowResizeCursor(new Cursor(table.getDisplay(), row_resizeCursor.getImageData(), rowresizeSize.x, rowresizeSize.y));
			table.setDefaultColumnResizeCursor(new Cursor(table.getDisplay(), column_resizeCursor.getImageData(), columnresizeSize.x, columnresizeSize.y));

		} else {
		
			// Cross
		
			Image crossCursor      = SWTX.loadImageResource(table.getDisplay(), "/icons/cross.gif");
			Image crossCursor_mask = SWTX.loadImageResource(table.getDisplay(), "/icons/cross_mask.gif");
			
			// Row Resize
		
			Image row_resizeCursor      = SWTX.loadImageResource(table.getDisplay(), "/icons/row_resize.gif");
			Image row_resizeCursor_mask = SWTX.loadImageResource(table.getDisplay(), "/icons/row_resize_mask.gif");
		
			// Column Resize
		
			Image column_resizeCursor      = SWTX.loadImageResource(table.getDisplay(), "/icons/column_resize.gif");
			Image column_resizeCursor_mask = SWTX.loadImageResource(table.getDisplay(), "/icons/column_resize_mask.gif");
	
			// we set the hotspot to the center, so calculate the number of pixels from hotspot to lower border:
		
			Rectangle crossBound        = crossCursor.getBounds();
			Rectangle rowresizeBound    = row_resizeCursor.getBounds();
			Rectangle columnresizeBound = column_resizeCursor.getBounds();
		
			Point crossSize        = new Point(crossBound.width/2, crossBound.height/2);
			Point rowresizeSize    = new Point(rowresizeBound.width/2, rowresizeBound.height/2);
			Point columnresizeSize = new Point(columnresizeBound.width/2, columnresizeBound.height/2);
		
			table.setDefaultCursor(new Cursor(table.getDisplay(), crossCursor_mask.getImageData(), crossCursor.getImageData(), crossSize.x, crossSize.y), crossSize);
			table.setDefaultRowResizeCursor(new Cursor(table.getDisplay(), row_resizeCursor_mask.getImageData(), row_resizeCursor.getImageData(), rowresizeSize.x, rowresizeSize.y));
			table.setDefaultColumnResizeCursor(new Cursor(table.getDisplay(), column_resizeCursor_mask.getImageData(), column_resizeCursor.getImageData(), columnresizeSize.x, columnresizeSize.y));
		
		}
		
    }
    
    /**
     * Constructs a simple text table that demonstrates the creation of a sorted table.
     * <p>
     * Note that the only thing that is necessary to make the table itself sortable is
     * subclassing the <code>KTableSortedModel</code>. Then the sort() method is available
     * to custom handlers.<p>
     * This shows how to register some common listeners that make the table behave in an 
     * often seen way.
     */
    private static void createSortableTable(TabFolder tabFolder) {
		TabItem item1 = new TabItem(tabFolder, SWT.NONE);
		item1.setText("Sortable Table");
		Composite comp1 = new Composite(tabFolder, SWT.NONE);
		item1.setControl(comp1);
		comp1.setLayout(new FillLayout());
		final KTable table = new KTable(comp1, SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
		final KTableSortedModel model = new SortableModelExample();
		table.setModel(model);
		table.addCellSelectionListener(
			new KTableCellSelectionListener()
			{
			    public void cellSelected(int col, int row, int statemask) {
			    	// the idea is to map the row index back to the model index since the given row index
			    	// changes when sorting is done. 
			        int modelRow = model.mapRowIndexToModel(row);
					System.out.println("Cell ["+col+";"+row+"] selected. - Model row: "+modelRow);
				}
				
				public void fixedCellSelected(int col, int row, int statemask) {
					System.out.println("Header ["+col+";"+row+"] selected.");
				}
			}
		);
		// implement resorting when the user clicks on the table header:
		table.addCellSelectionListener(new KTableSortOnClick(table, 
				new SortComparatorExample(model, -1, KTableSortComparator.SORT_NONE)));
	
		table.addCellResizeListener(
			new KTableCellResizeListener()
			{
				public void columnResized(int col, int newWidth) {
					System.out.println("Column "+col+" resized to "+newWidth);
				}
				public void rowResized(int row, int newHeight) {
					System.out.println("Row "+row+" resized to "+newHeight);
				}
			}
		);
		
		/**
		 *  Set Excel-like table cursors
		 */
		
        if ( SWT.getPlatform().equals("win32") ) {
			
			// Cross

			Image crossCursor = SWTX.loadImageResource(table.getDisplay(), "/icons/cross_win32.gif");
			
			// Row Resize
			
			Image row_resizeCursor = SWTX.loadImageResource(table.getDisplay(), "/icons/row_resize_win32.gif");
			
			// Column Resize
			
			Image column_resizeCursor  = SWTX.loadImageResource(table.getDisplay(), "/icons/column_resize_win32.gif");
		
			// we set the hotspot to the center, so calculate the number of pixels from hotspot to lower border:
			
			Rectangle crossBound        = crossCursor.getBounds();
			Rectangle rowresizeBound    = row_resizeCursor.getBounds();
			Rectangle columnresizeBound = column_resizeCursor.getBounds();
			
			Point crossSize        = new Point(crossBound.width/2, crossBound.height/2);
			Point rowresizeSize    = new Point(rowresizeBound.width/2, rowresizeBound.height/2);
			Point columnresizeSize = new Point(columnresizeBound.width/2, columnresizeBound.height/2);
			
			table.setDefaultCursor(new Cursor(table.getDisplay(), crossCursor.getImageData(), crossSize.x, crossSize.y), crossSize);
			table.setDefaultRowResizeCursor(new Cursor(table.getDisplay(), row_resizeCursor.getImageData(), rowresizeSize.x, rowresizeSize.y));
			table.setDefaultColumnResizeCursor(new Cursor(table.getDisplay(), column_resizeCursor.getImageData(), columnresizeSize.x, columnresizeSize.y));

		} else {
		
			// Cross
		
			Image crossCursor      = SWTX.loadImageResource(table.getDisplay(), "/icons/cross.gif");
			Image crossCursor_mask = SWTX.loadImageResource(table.getDisplay(), "/icons/cross_mask.gif");
			
			// Row Resize
		
			Image row_resizeCursor      = SWTX.loadImageResource(table.getDisplay(), "/icons/row_resize.gif");
			Image row_resizeCursor_mask = SWTX.loadImageResource(table.getDisplay(), "/icons/row_resize_mask.gif");
		
			// Column Resize
		
			Image column_resizeCursor      = SWTX.loadImageResource(table.getDisplay(), "/icons/column_resize.gif");
			Image column_resizeCursor_mask = SWTX.loadImageResource(table.getDisplay(), "/icons/column_resize_mask.gif");
	
			// we set the hotspot to the center, so calculate the number of pixels from hotspot to lower border:
		
			Rectangle crossBound        = crossCursor.getBounds();
			Rectangle rowresizeBound    = row_resizeCursor.getBounds();
			Rectangle columnresizeBound = column_resizeCursor.getBounds();
		
			Point crossSize        = new Point(crossBound.width/2, crossBound.height/2);
			Point rowresizeSize    = new Point(rowresizeBound.width/2, rowresizeBound.height/2);
			Point columnresizeSize = new Point(columnresizeBound.width/2, columnresizeBound.height/2);
		
			table.setDefaultCursor(new Cursor(table.getDisplay(), crossCursor_mask.getImageData(), crossCursor.getImageData(), crossSize.x, crossSize.y), crossSize);
			table.setDefaultRowResizeCursor(new Cursor(table.getDisplay(), row_resizeCursor_mask.getImageData(), row_resizeCursor.getImageData(), rowresizeSize.x, rowresizeSize.y));
			table.setDefaultColumnResizeCursor(new Cursor(table.getDisplay(), column_resizeCursor_mask.getImageData(), column_resizeCursor.getImageData(), columnresizeSize.x, columnresizeSize.y));
		
		}
			
    }

}