GoldPriceTableLableProvider.java

package com.topsun.posclient.sales.ui.table;

import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;

import com.topsun.posclient.common.ProjectUtil;
import com.topsun.posclient.common.ui.utils.ThemeUtils;
import com.topsun.posclient.datamodel.GoldPrice;

public class GoldPriceTableLableProvider implements ITableLabelProvider,ITableColorProvider {
	private Color[] bg = ThemeUtils.getCurrent().getTableCellBg();
    private Color[] force = ThemeUtils.getCurrent().getTableCellForce();
    private Object current = null;
    private int currentColor = 0;
	public void addListener(ILabelProviderListener listener) {

	}

	public void dispose() {

	}

	public boolean isLabelProperty(Object element, String property) {
		return false;
	}

	public void removeListener(ILabelProviderListener listener) {

	}

	public Image getColumnImage(Object element, int columnIndex) {
		Image image = new Image(Display.getDefault(), 1, 30); 
		return null;
	}

	public String getColumnText(Object element, int columnIndex) {
		if (element instanceof GoldPrice) {
			GoldPrice goldPrice = (GoldPrice) element;
			String mtartName = goldPrice.getMtartName();
			String price = goldPrice.getPrice();
			String lastSyncTime = goldPrice.getLastSyncTime();
			switch (columnIndex) {
				case 0:
					return mtartName;
				case 1:
					return lastSyncTime;
				case 2:
					return ProjectUtil.formatAmount(null, ProjectUtil.formatString(price));
				default:
					return "";
			}
		}
		return element.toString();
	}

	@Override
	public Color getForeground(Object element, int columnIndex) {
		 return force[currentColor];
	}

	@Override
	public Color getBackground(Object element, int columnIndex) {
		if (current != element) {
            currentColor = 1 - currentColor;
            current = element;
        }
        return bg[currentColor];
	}

}