package cn.com.chengang.form;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.forms.events.ExpansionAdapter;
import org.eclipse.ui.forms.events.ExpansionEvent;
import org.eclipse.ui.forms.widgets.ColumnLayout;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormToolkit;

public class ExpandableComposite1 {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(150, 253);
		// ---------創(chuàng)建窗口中的其他界面組件-------------
		shell.setLayout(new FillLayout());
		FormToolkit toolkit = new FormToolkit(display);
		final Composite comp = toolkit.createComposite(shell);
		comp.setLayout(new ColumnLayout());
		// TREE_NODE式樣：使用樹中使用的+/-圖標(biāo)也表示伸展/收縮。TWISTIE式樣則用小三角型來表示。如果TREE_NODE、TWISTIE都不用，則不具有伸縮功能。
		// EXPANDED式樣：初始狀態(tài)為伸展
		// CLIENT_INDENT式樣：內(nèi)容與標(biāo)題對(duì)齊
		// COMPACT式樣：在伸展?fàn)顟B(tài)時(shí)才去為組件們分配合適的寬度
		ExpandableComposite expdComp1 = toolkit.createExpandableComposite(comp, ExpandableComposite.TREE_NODE | ExpandableComposite.CLIENT_INDENT);
		expdComp1.setText("愛好");
		Composite c1 = toolkit.createComposite(expdComp1);
		c1.setLayout(new RowLayout());
		toolkit.createButton(c1, "讀書", SWT.CHECK);
		toolkit.createButton(c1, "旅游", SWT.CHECK);
		expdComp1.setClient(c1);
		expdComp1.addExpansionListener(new ExpansionAdapter() {
			public void expansionStateChanged(ExpansionEvent e) {
				comp.layout();
			}
		});
		ExpandableComposite expdComp2 = toolkit.createExpandableComposite(comp, ExpandableComposite.TWISTIE | ExpandableComposite.EXPANDED);
		expdComp2.setText("工作");
		Label label = toolkit.createLabel(expdComp2, "寫作、技術(shù)培訓(xùn)和咨詢");
		expdComp2.setClient(label);
		expdComp2.addExpansionListener(new ExpansionAdapter() {
			public void expansionStateChanged(ExpansionEvent e) {
				comp.layout();
			}
		});
		// -----------------END------------------------
		shell.layout();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}