startthreadaction.java

一个基于eclipse插件开发的聊天程序

/**
 * StartThreadAction.java
 */
package talkServer;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;

import talkServer.business.ListeningThread;

/**
 * @author Xiang Zhou
 * @date 2006-4-29
 */
public class StartThreadAction extends Action {
	private final IWorkbenchWindow window;

	private final String viewId;

	public StartThreadAction(IWorkbenchWindow window, String label,
			String viewId) {
		this.window = window;
		this.viewId = viewId;
		setText(label);
		// The id is used to refer to the action in a menu or toolbar
		setId(ICommandIds.CMD_START_THREAD);
		// Associate the action with a pre-defined command, to allow key
		// bindings.
		setActionDefinitionId(ICommandIds.CMD_START_THREAD);
		setImageDescriptor(talkServer.TalkServerPlugin
				.getImageDescriptor("/icons/sample.gif"));
	}

	public void run() {
		if (window != null) {
			try {
				window.getActivePage().showView(viewId, null,
						IWorkbenchPage.VIEW_ACTIVATE);

				// START LISTENING
				startListening();

			} catch (PartInitException e) {
				MessageDialog.openError(window.getShell(), "Error",
						"Error opening view:" + e.getMessage());
			}
		}
	}

	public void startListening() {
		if (((ThreadView) window.getActivePage().findView(viewId)).listeningThread == null) {
			ListeningThread listeningThread = new ListeningThread(((ThreadView) window.getActivePage().findView(viewId)).text);
			// SET FOR REFERENCE
			((ThreadView) window.getActivePage().findView(viewId)).listeningThread = listeningThread;
		}

		if (!((ThreadView) window.getActivePage().findView(viewId)).listeningThread
				.isAlive())
			((ThreadView) window.getActivePage().findView(viewId)).listeningThread
					.start();

		((ThreadView) window.getActivePage().findView(viewId)).text.setText("Server started.");
		
		System.out.println("Listening start.");
	}
}