Attachment 8911 Details for Bug 37681 – Sample code for switching workspaces

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Sample code for switching workspaces

SampleAction.java (text/plain), 3.10 KB, created by Jeff McAffer

on 2004-03-26 11:04:18 EST

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Filename:

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Creator: Jeff McAffer

Created: 2004-03-26 11:04:18 EST

Size: 3.10 KB

patch

obsolete

>package openworkspace.actions;
>
>import org.eclipse.jface.action.IAction;
>import org.eclipse.jface.viewers.ISelection;
>import org.eclipse.swt.widgets.DirectoryDialog;
>import org.eclipse.ui.IWorkbenchWindow;
>import org.eclipse.ui.IWorkbenchWindowActionDelegate;
>
>/**
> * Our sample action implements workbench action delegate.
> * The action proxy will be created by the workbench and
> * shown in the UI. When the user tries to use the action,
> * this delegate will be created and execution will be 
> * delegated to it.
> * @see IWorkbenchWindowActionDelegate
> */
>public class SampleAction implements IWorkbenchWindowActionDelegate {
>	private IWorkbenchWindow window;
>
>	private static final String PROP_VM = "eclipse.vm"; //$NON-NLS-1$
>	private static final String PROP_VMARGS = "eclipse.vmargs"; //$NON-NLS-1$
>	private static final String PROP_COMMANDS = "eclipse.commands"; //$NON-NLS-1$
>/**
>	 * The constructor.
>	 */
>	public SampleAction() {
>	}
>
>	/**
>	 * The action has been activated. The argument of the
>	 * method represents the 'real' action sitting
>	 * in the workbench UI.
>	 * @see IWorkbenchWindowActionDelegate#run
>	 */
>	public void run(IAction action) {
>		String path = new DirectoryDialog(window.getShell()).open();
>		if (path == null)
>			return;
>		String command = buildCommandLine("-data", path);
>		System.setProperty("eclipse.exitcode", Integer.toString(24));
>		System.setProperty("eclipse.exitdata", command);
>		window.getWorkbench().restart();
>	}
>
>	private String buildCommandLine(String arg, String value) {
>		StringBuffer result = new StringBuffer(300);
>		String entry = System.getProperty(PROP_VM);
>		if (entry == null)
>			return null;
>		result.append(entry );
>		result.append('\n');
>		// append the vmargs and commands.  Assume that these already end in \n
>		entry = System.getProperty(PROP_VMARGS);
>		if (entry != null) 
>			result.append(entry);
>		entry = System.getProperty(PROP_COMMANDS);
>		if (entry != null) {
>			entry = "\n" + entry;
>			int i = entry.indexOf("\n" + arg + "\n");
>			if (i == -1)
>				entry = arg + "\n" + value + entry;
>			else {
>				i += arg.length() + 2;
>				// skip the leading \n
>				String left = entry.substring(1, i);
>				int j = entry.indexOf('\n', i);
>				String right = entry.substring(j);
>				entry = left + value + right;
>			}
>			result.append(entry);
>		}
>		return result.toString();
>	}
>
>	/**
>	 * Selection in the workbench has been changed. We 
>	 * can change the state of the 'real' action here
>	 * if we want, but this can only happen after 
>	 * the delegate has been created.
>	 * @see IWorkbenchWindowActionDelegate#selectionChanged
>	 */
>	public void selectionChanged(IAction action, ISelection selection) {
>	}
>
>	/**
>	 * We can use this method to dispose of any system
>	 * resources we previously allocated.
>	 * @see IWorkbenchWindowActionDelegate#dispose
>	 */
>	public void dispose() {
>	}
>
>	/**
>	 * We will cache window object in order to
>	 * be able to provide parent shell for the message dialog.
>	 * @see IWorkbenchWindowActionDelegate#init
>	 */
>	public void init(IWorkbenchWindow window) {
>		this.window = window;
>	}
>}

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Attachments on bug 37681: 8911