package cn.com.chengang.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ViewForm;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.CoolBar;
import org.eclipse.swt.widgets.CoolItem;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;

public class SimpleEditor2 {
	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());

		// 用ViewForm做底層容器，并用充滿型布局
		final ViewForm viewForm = new ViewForm(shell, SWT.NONE);
		viewForm.setLayout(new FillLayout());

		// 在ViewForm容器里創建文本框
		final Text text = new Text(viewForm, SWT.BORDER | SWT.V_SCROLL);
		viewForm.setContent(text);// 設置文本框為ViewForm的主組件

		// 在ViewForm容器里創建CoolBar，并接著在CoolBar里添加兩條子工具欄
		CoolBar coolBar = new CoolBar(viewForm, SWT.NONE);
		{ // 創建工具欄1，并添加兩個按鈕
			ToolBar toolBar = new ToolBar(coolBar, SWT.NONE);
			ToolItem getItem = new ToolItem(toolBar, SWT.PUSH);
			getItem.setText("取得");
			getItem.setImage(new Image(display, "icons/selectall.gif"));
			ToolItem clearItem = new ToolItem(toolBar, SWT.PUSH);
			clearItem.setText("清除");
			clearItem.setImage(new Image(display, "icons/remove.gif"));

			// 創建一個coolItem來控制子工具欄
			CoolItem coolItem = new CoolItem(coolBar, SWT.NONE);
			coolItem.setControl(toolBar);

			// 調整toolBar為合適的尺寸，并用toolBar的尺寸來調整coolItem
			toolBar.pack();// 調整toolBar尺寸
			Point size = toolBar.getSize();
			coolItem.setSize(size);// 設定coolItem尺寸
			coolItem.setMinimumSize(size);// 設定coolItem的最小尺寸，否則按鈕會被其他子工具欄遮住
		}
		{// 創建工具欄2
			ToolBar toolBar = new ToolBar(coolBar, SWT.NONE);
			ToolItem toolItem = new ToolItem(toolBar, SWT.PUSH);
			toolItem.setImage(new Image(display, "icons/next.gif"));

			CoolItem coolItem = new CoolItem(coolBar, SWT.NONE);
			coolItem.setControl(toolBar);

			toolBar.pack();
			Point size = toolBar.getSize();
			coolItem.setSize(size);
			coolItem.setMinimumSize(size);
		}
		viewForm.setTopLeft(coolBar);

		// 監聽coolBar中子工具欄的改變，如有改變則重排viewForm中組件的位置
		coolBar.addControlListener(new ControlAdapter() {
			public void controlResized(ControlEvent e) {
				viewForm.layout();
			}
		});
		// -----------------END------------------------
		shell.layout();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}