swt中改变表格字体大小及颜色的实现

package  org.eclipse.jface.snippets.viewers;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
/**
 * Example usage of none mandatory interfaces of ITableFontProvider and
 * ITableColorProvider
 * 
 * @author Tom Schindl <[e-mail]>
 * 
 */
public class Snippet013TableViewerNoneMandatoryLabelProvider {
	private class MyContentProvider implements IStructuredContentProvider {
		/*
		 * (non-Javadoc)
		 * 
		 * @see
		 * org.eclipse.jface.viewers.IStructuredContentProvider#getElements(
		 * java.lang.Object)
		 */
		public Object[] getElements(Object inputElement) {
			return (MyModel[]) inputElement;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
		 */
		public void dispose() {
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see
		 * org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse
		 * .jface.viewers.Viewer, java.lang.Object, java.lang.Object)
		 */
		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		}
	}
	public Snippet013TableViewerNoneMandatoryLabelProvider(Shell shell) {
		final TableViewer v = new TableViewer(shell, SWT.BORDER
				| SWT.FULL_SELECTION);
		v.setLabelProvider(new MyLabelProvider());
		v.setContentProvider(new MyContentProvider());
		TableColumn column = new TableColumn(v.getTable(), SWT.NONE);
		column.setWidth(200);
		column.setText("Column 1");
		column = new TableColumn(v.getTable(), SWT.NONE);
		column.setWidth(200);
		column.setText("Column 2");
		MyModel[] model = createModel();
		v.setInput(model);
		v.getTable().setLinesVisible(true);
		v.getTable().setHeaderVisible(true);
	}
	private MyModel[] createModel() {
		MyModel[] elements = new MyModel[10];
		for (int i = 0; i < 10; i++) {
			elements[i] = new MyModel(i);
		}
		return elements;
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());
		new Snippet013TableViewerNoneMandatoryLabelProvider(shell);
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}

package org.eclipse.jface.snippets.viewers;
public class MyModel {
	public int counter;
	public MyModel(int counter) {
		this.counter = counter;
	}
	public String toString() {
		return "Item " + this.counter;
	}
}

package org.eclipse.jface.snippets.viewers;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
public class MyLabelProvider extends LabelProvider implements
		ITableLabelProvider, ITableFontProvider, ITableColorProvider {
	FontRegistry registry = new FontRegistry();
	public Image getColumnImage(Object element, int columnIndex) {
		return null;
	}
	public String getColumnText(Object element, int columnIndex) {
		return "Column " + columnIndex + " => " + element.toString();
	}
	public Font getFont(Object element, int columnIndex) {
		if (((MyModel) element).counter % 2 == 0) {
			return registry.getBold(Display.getCurrent().getSystemFont()
					.getFontData()[0].getName());
		}
		return null;
	}
	public Color getBackground(Object element, int columnIndex) {
		if (((MyModel) element).counter % 2 == 0) {
			return Display.getCurrent().getSystemColor(SWT.COLOR_RED);
		}
		return null;
	}
	public Color getForeground(Object element, int columnIndex) {
		if (((MyModel) element).counter % 2 == 1) {
			return Display.getCurrent().getSystemColor(SWT.COLOR_RED);
		}
		return null;
	}
}