treesample.java

Eclipse RCP应用系统开发方法与实战源代码

package rcpbook.swtjface.sample;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;

public class TreeSample {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(210, 160);
		shell.setText("Tree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) {
		Tree tree = new Tree(shell, SWT.NONE);
		tree.setHeaderVisible(true);
		tree.setLinesVisible(true);
		tree.setRedraw(false);
		String[] provinces = { "湖北省", "广东省", "江苏省", "浙江省" };
		String[][] city = { { "武汉", "宜昌", "黄冈" }, { "广州", "深圳", "佛山", "梅州" },
				{ "南京", "常州" }, { "杭州", "绍兴", "嘉兴" } };
		for (int i = 0; i < provinces.length; i++) {
			TreeItem parent = new TreeItem(tree, SWT.NONE);
			parent.setText(provinces[i]);
			for (int j = 0; j < city[i].length; j++) {
				TreeItem child = new TreeItem(parent, SWT.NONE);
				child.setText(city[i][j]);
			}
		}
		tree.setRedraw(true);
	}
}