TableUtils.java

package com.topsun.posclient.common.ui.utils;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnViewerEditor;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
import org.eclipse.jface.viewers.FocusCellOwnerDrawHighlighter;
import org.eclipse.jface.viewers.ICellEditorListener;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerEditor;
import org.eclipse.jface.viewers.TableViewerFocusCellManager;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Table;

import com.topsun.posclient.common.core.keyboard.SoftKeyUtil;

public class TableUtils {
	public static final int TABLE_HEIGHT = 30;
	
	public static void setTabelHeight(Table table){
		table.addListener(SWT.MeasureItem, new Listener() {
			public void handleEvent(Event event) {
				event.height =TABLE_HEIGHT;
			}
		});
	}
	
	public static void addCellEditSupport(CellEditor cellEditor){
		cellEditor.addListener(new ICellEditorListener() {
			
			@Override
			public void editorValueChanged(boolean oldValidState, boolean newValidState) {
				
			}
			
			@Override
			public void cancelEditor() {
				
			}
			
			@Override
			public void applyEditorValue() {
				SoftKeyUtil.disposeInGrid();
				
			}
		});
	}
	
	public static void addTableEditSupport(TableViewer tableViewer,final int[] enableCloums){
		final TableViewerFocusCellManager mgr = new   
		TableViewerFocusCellManager(tableViewer, new   
				FocusCellOwnerDrawHighlighter(tableViewer));   
		final ColumnViewerEditorActivationStrategy actSupport = new   
		ColumnViewerEditorActivationStrategy(tableViewer) {   
			@Override   
			protected boolean isEditorActivationEvent   
			(ColumnViewerEditorActivationEvent event) {   
				ViewerCell cell = (ViewerCell)event.getSource();
				int index = cell.getColumnIndex();
				for (int i : enableCloums) {
					if(index == i){
						SoftKeyUtil.showInGrid();
						break;
					}
				}
				
				return event.eventType ==   
					ColumnViewerEditorActivationEvent.TRAVERSAL   
					|| event.eventType ==   
						ColumnViewerEditorActivationEvent.MOUSE_CLICK_SELECTION   
						|| event.eventType ==   
							ColumnViewerEditorActivationEvent.KEY_PRESSED   
							&& (event.keyCode == SWT.CR || event.character == ' ')   
							|| event.eventType ==   
								ColumnViewerEditorActivationEvent.PROGRAMMATIC;   
			}   
		};   

		TableViewerEditor.create(tableViewer, mgr, actSupport,   
				ColumnViewerEditor.TABBING_HORIZONTAL   
				| ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR |   
				ColumnViewerEditor.TABBING_VERTICAL   
				| ColumnViewerEditor.KEYBOARD_ACTIVATION);   

	}
}