eclipse-ui/src/org/apache/sling/ide/eclipse/ui/internal/ImportContentAction.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.sling.ide.eclipse.ui.internal;

import java.util.Iterator;

import org.apache.sling.ide.eclipse.core.internal.ProjectHelper;
import org.apache.sling.ide.eclipse.ui.wizards.ImportWizard;
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.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.wst.server.core.IModule;
import org.eclipse.wst.server.core.ServerUtil;

public class ImportContentAction extends AbstractHandler implements IObjectActionDelegate, IExecutableExtension {

    private ISelection selection;

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    @Override
    public void run(IAction action) {
        run(selection);
    }

    private void run(ISelection currentSelection) {
        if (!(currentSelection instanceof IStructuredSelection)) {
            return;
        }

        IStructuredSelection structuredSelection = (IStructuredSelection) currentSelection;

        for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
            Object selected = it.next();
            if (selected instanceof IResource) {
                IProject project = (IProject) (((IResource) selected).getProject());

                if (!ProjectHelper.isContentProject(project)) {
                    continue;
                }

                IModule module = ServerUtil.getModule(project);

                if (module == null) {
                    continue;
                }

                ImportWizard wiz = new ImportWizard();
                wiz.init(PlatformUI.getWorkbench(), structuredSelection);

                WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell(), wiz);
                dialog.open();

            }
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
     * org.eclipse.jface.viewers.ISelection)
     */
    @Override
    public void selectionChanged(IAction action, ISelection selection) {
        this.selection = selection;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement
     * , java.lang.String, java.lang.Object)
     */
    @Override
    public void setInitializationData(IConfigurationElement config, String propertyName, Object data)
            throws CoreException {
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction,
     * org.eclipse.ui.IWorkbenchPart)
     */
    @Override
    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    }

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {

        run(HandlerUtil.getCurrentSelection(event));
        return null;
    }

}