expandablecomposite1.java

SWTJFace篇项目源程序该项目包含 包含了Eclipse下构建swt的基本工程

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);
		// ---------创建窗口中的其他界面组件-------------
		shell.setLayout(new FillLayout());
		FormToolkit toolkit = new FormToolkit(display);
		final Composite comp = toolkit.createComposite(shell);
		comp.setLayout(new ColumnLayout());
		// TREE_NODE式样：使用树中使用的+/-图标也表示伸展/收缩。TWISTIE式样则用小三角型来表示。如果TREE_NODE、TWISTIE都不用，则不具有伸缩功能。
		// EXPANDED式样：初始状态为伸展
		// CLIENT_INDENT式样：内容与标题对齐
		// COMPACT式样：在伸展状态时才去为组件们分配合适的宽度
		ExpandableComposite expdComp1 = toolkit.createExpandableComposite(comp, ExpandableComposite.TREE_NODE | ExpandableComposite.CLIENT_INDENT);
		expdComp1.setText("爱好");
		Composite c1 = toolkit.createComposite(expdComp1);
		c1.setLayout(new RowLayout());
		toolkit.createButton(c1, "读书", 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, "写作、技术培训和咨询");
		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();
	}
}