Eclipse入门—使用指南及开发Eclipse插件

package com.nidapeng.eclipse.plugin.pde;import org.eclipse.core.resources.*;import org.eclipse.core.resources.IResourceChangeEvent;import org.eclipse.core.runtime.CoreException;import java.util.ResourceBundle;import org.eclipse.swt.widgets.Label;import org.eclipse.swt.widgets.Composite;import org.eclipse.ui.part.ViewPart;import org.eclipse.swt.SWT;import org.eclipse.swt.widgets.Display;public class NoticeView extends ViewPart implements　Runnable,IResourceChangeListener ,IResourceDeltaVisitor{	private ResourceBundle resourceBundle;	private Label label;	private Display disp; 	private String dispTxt;	public NoticeView() {    ResourcesPlugin.getWorkspace().addResourceChangeListener(this,      IResourceChangeEvent.PRE_CLOSE      | IResourceChangeEvent.PRE_DELETE      | IResourceChangeEvent.PRE_AUTO_BUILD      | IResourceChangeEvent.POST_AUTO_BUILD      | IResourceChangeEvent.POST_CHANGE);	}	public static IWorkspace getWorkspace() {		//ResourcesPlugin插件的主类！ 		return ResourcesPlugin.getWorkspace(); 	}	public void createPartControl(Composite parent) {   		label = new Label(parent, SWT.WRAP);		label.setText("change your project status...");         disp = Display.getDefault(); 	}	public void setFocus() { 	}	// 实现IResourceChangeListener接口中的resourceChanged方法	public void resourceChanged(IResourceChangeEvent event) {  		IResource res = event.getResource();  		switch (event.getType()) {   			case IResourceChangeEvent.PRE_CLOSE :    				dispTxt = res.getFullPath() + " is about to closed!";    				break;   			case IResourceChangeEvent.PRE_DELETE :    				dispTxt = res.getFullPath() + " is about to be deleted!";   				break;   			case IResourceChangeEvent.POST_CHANGE :    				try {     				event.getDelta().accept(this);    				} catch (CoreException e) {    					 e.printStackTrace();    				}    				break;   			case IResourceChangeEvent.PRE_AUTO_BUILD :    				try {     				event.getDelta().accept(this);    				} catch (CoreException e) {	     				e.printStackTrace();    				}    				break;   			case IResourceChangeEvent.POST_AUTO_BUILD :    				try {     				event.getDelta().accept(this);    				} catch (CoreException e) {     					e.printStackTrace();    				}    				break;  		}  		disp.syncExec(this); 	} 	// 实现IResourceDeltaVisitor接口中的visit方法 	public boolean visit(IResourceDelta delta) {  		IResource res = delta.getResource();  		switch (delta.getKind()) {   		case IResourceDelta.ADDED :    			dispTxt = "Resource "+res.getFullPath()+" was added.";    			break;   		case IResourceDelta.REMOVED:    			dispTxt = "Resource "+res.getFullPath()+" was removed.";   			break;   		case IResourceDelta.CHANGED :    			dispTxt = "Resource "+res.getFullPath()+" has changed.";   			break;  		}  		return true; // visit the children 	}	// 实现Runnable接口中的run方法 	public void run() {  		try {   			label.setText(dispTxt);   		} catch (Exception e) {   			e.printStackTrace();  		}	}}