org.jboss.tools.cdi.ui.internal.handlers.AddCDISupportHandler.java Source code

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Here is the source code for org.jboss.tools.cdi.ui.internal.handlers.AddCDISupportHandler.java

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/*******************************************************************************
 * Copyright (c) 2013 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is 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
 *
 * Contributors:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.cdi.ui.internal.handlers;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.handlers.HandlerUtil;
import org.jboss.tools.cdi.ui.preferences.CDISettingsPreferencePage;

/**
 * @author Alexey Kazakov
 */
public class AddCDISupportHandler extends AbstractHandler {

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    public Object execute(ExecutionEvent event) throws ExecutionException {
        IProject project = null;
        Object element = ((IStructuredSelection) HandlerUtil.getCurrentSelection(event)).getFirstElement();
        if (element instanceof IProject) {
            project = (IProject) element;
        } else if (element instanceof IJavaProject) {
            project = ((IJavaProject) element).getProject();
        }
        if (project != null) {
            final PreferenceDialog dialog = PreferencesUtil.createPropertyDialogOn(
                    PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), project,
                    CDISettingsPreferencePage.ID, new String[] { CDISettingsPreferencePage.ID }, null);
            CDISettingsPreferencePage page = (CDISettingsPreferencePage) dialog.getSelectedPage();
            page.setEnabledCDISuport(shouldEnable());
            Display.getDefault().asyncExec(new Runnable() {
                public void run() {
                    if (dialog.getShell() != null && !dialog.getShell().isDisposed()) {
                        dialog.getTreeViewer().getControl().forceFocus();
                    }
                }
            });
            dialog.open();
        }
        return null;
    }

    protected boolean shouldEnable() {
        return true;
    }

}