package cn.com.chengang.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.TreeColumn;
import org.eclipse.swt.widgets.TreeItem;

public class Tree2 {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(327, 253);
		// ---------創建窗口中的其他界面組件-------------
		shell.setLayout(new FillLayout());

		// 創建一個Tree,并顯示表頭和表格線
		final Tree tree = new Tree(shell, SWT.BORDER);
		tree.setHeaderVisible(true);
		tree.setLinesVisible(true);

		// 加入三列
		TreeColumn col1 = new TreeColumn(tree, SWT.NONE);
		col1.setText("姓名");
		col1.setWidth(100);
		TreeColumn col2 = new TreeColumn(tree, SWT.NONE);
		col2.setText("職位");
		col2.setWidth(80);
		TreeColumn col3 = new TreeColumn(tree, SWT.NONE);
		col3.setText("特點");
		col3.setWidth(100);

		// 第一個記錄樹
		TreeItem item1 = new TreeItem(tree, SWT.NONE);
		item1.setText("PPP項小組");
		// createItem是生成子結點的自定義方法
		createItem(item1, "黃俊", "組長", "技術全面");
		createItem(item1, "黃鈺", "程序員", "編程超快");
		createItem(item1, "張浩", "程序員", "專攻難點");
		createItem(item1, "周閱", "測試員", "認真負責");

		// 第二個記錄樹
		TreeItem item2 = new TreeItem(tree, SWT.NONE);
		item2.setText("中國足球隊");
		createItem(item2, "陳剛", "后勤", "擦鞋很專業");

		// 監聽樹的選擇事件，并將所選記錄的文字顯示在窗口標題欄
		tree.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				TreeItem[] items = tree.getSelection();
				TreeItem o = items[0];
				shell.setText(o.getText(0) + "," + o.getText(1) + "," + o.getText(2));
			}
		});
		// -----------------END------------------------
		shell.layout();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}

	/**
	 * 自定義方法。生成TableTreeItem
	 */
	private static TreeItem createItem(TreeItem parentItem, String name, String job, String desc) {
		TreeItem childItem = new TreeItem(parentItem, SWT.NONE);
		childItem.setText(name);
		childItem.setText(1, job);
		childItem.setText(2, desc);
		return childItem;
	}
}