treeviewersample.java

Eclipse RCP应用系统开发方法与实战源代码

package rcpbook.swtjface.sample;

import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;

public class TreeViewerSample {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(330, 180);
		shell.setText("TreeViewer示例");
		shell.setLayout(new FillLayout());
		createContents(shell);
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}

	private static void createContents(Shell shell) {
		final TreeViewer treeViewer = new TreeViewer (shell, SWT.FULL_SELECTION);
		// 创建表头列
		final Tree tree = treeViewer.getTree();
		tree.setLayoutData(new GridData(GridData.FILL_BOTH));
		final TreeColumn tbcl1 = new TreeColumn(tree, SWT.LEFT);
		tbcl1.setText("学　号");
		tbcl1.setWidth(80);
		final TreeColumn tbcl2 = new TreeColumn(tree, SWT.CENTER);
		tbcl2.setText("姓　名");
		tbcl2.setWidth(80);
		final TreeColumn tbcl3 = new TreeColumn(tree, SWT.CENTER);
		tbcl3.setText("电　话");
		tbcl3.setWidth(80);		
		final TreeColumn tbcl4 = new TreeColumn(tree, SWT.CENTER);
		tbcl4.setText("班主任");
		tbcl4.setWidth(80);		
		treeViewer.setLabelProvider(new TreeViewerSampleLabelProvider());
		treeViewer.setContentProvider(new TreeViewerSampleContentProvider());
		treeViewer.setInput(Student.sample());
		tree.setHeaderVisible(true);
		tree.setLinesVisible(true);
		treeViewer.expandToLevel(2);
		tree.setFocus();		
	}	
}