eu.geclipse.ui.internal.actions.SubmitJobActions.java Source code

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Here is the source code for eu.geclipse.ui.internal.actions.SubmitJobActions.java

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/*****************************************************************************
 * Copyright (c) 2006, 2007 g-Eclipse Consortium 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Mathias Stuempert - initial API and implementation
 *****************************************************************************/

package eu.geclipse.ui.internal.actions;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.ui.navigator.ICommonMenuConstants;

/**
 * Action group holding all action specific for job submission.
 */
public class SubmitJobActions extends ActionGroup {

    /**
     * The workbench site this action group belongs to.
     */
    private IWorkbenchSite site;

    /**
     * The submit job action itself.
     */
    private SubmitJobAction submitAction;

    /**
     * Create a new job submission action for the specified workbench site.
     * 
     * @param site The {@link IWorkbenchSite} to create this action for.
     */
    public SubmitJobActions(final IWorkbenchSite site) {
        this.site = site;
        ISelectionProvider provider = site.getSelectionProvider();
        this.submitAction = new SubmitJobAction(site);
        provider.addSelectionChangedListener(this.submitAction);

        ISelection selection = provider.getSelection();
        if ((selection == null) || !(selection instanceof IStructuredSelection)) {
            selection = StructuredSelection.EMPTY;
        }
        this.submitAction.selectionChanged((IStructuredSelection) selection);

    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.actions.ActionGroup#dispose()
     */
    @Override
    public void dispose() {
        ISelectionProvider provider = this.site.getSelectionProvider();
        provider.removeSelectionChangedListener(this.submitAction);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.actions.ActionGroup#fillContextMenu(org.eclipse.jface.action.IMenuManager)
     */
    @Override
    public void fillContextMenu(final IMenuManager menu) {
        if (this.submitAction.isEnabled()) {
            menu.appendToGroup(ICommonMenuConstants.GROUP_BUILD, this.submitAction);
        }
        super.fillContextMenu(menu);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.actions.ActionGroup#updateActionBars()
     */
    @Override
    public void updateActionBars() {
        super.updateActionBars();

        IStructuredSelection selection = null;

        if (getContext() != null && getContext().getSelection() instanceof IStructuredSelection) {
            selection = (IStructuredSelection) getContext().getSelection();
        }

        this.submitAction.selectionChanged(selection);
    }

}