org.ebayopensource.vjet.eclipse.internal.ui.actions.AddVjoNatureAction.java Source code

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Here is the source code for org.ebayopensource.vjet.eclipse.internal.ui.actions.AddVjoNatureAction.java

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/*******************************************************************************
 * Copyright (c) 2005-2011 eBay Inc.
 * 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
 *
 *******************************************************************************/
package org.ebayopensource.vjet.eclipse.internal.ui.actions;

import org.ebayopensource.vjet.eclipse.core.VjetPlugin;
import org.ebayopensource.vjet.eclipse.core.VjoNature;
import org.ebayopensource.vjet.eclipse.ui.VjetUIPlugin;
import org.ebayopensource.vjet.eclipse.ui.actions.nature.AddVjoNaturePolicyManager;
import org.ebayopensource.vjet.eclipse.ui.actions.nature.IAddVjoNaturePolicy;
import org.eclipse.core.resources.ICommand;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

/**
 * This class add vjo nature to the specified project. 
 * 
 * 
 *
 */
public class AddVjoNatureAction implements IExecutableExtension, IObjectActionDelegate {

    ISelection selection;

    public AddVjoNatureAction() {
    }

    public void run(IAction action) {
        try {
            ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {

                @Override
                public void run(IProgressMonitor monitor) throws CoreException {
                    doAddNature();

                }

            }, new NullProgressMonitor());
        } catch (CoreException e) {
            VjetUIPlugin.log(e);
        }

    }

    private void doAddNature() {
        if (!(selection instanceof IStructuredSelection))
            return;

        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        Object[] selectionElements = structuredSelection.toArray();
        for (int i = 0; i < selectionElements.length; i++) {
            Object selectionElement = selectionElements[i];
            if (selectionElement instanceof IAdaptable) {
                IAdaptable adaptable = (IAdaptable) selectionElement;
                IProject project = (IProject) adaptable.getAdapter(IProject.class);
                if (project == null)
                    continue;

                //fetch the corresponding adding vjo nature policy implementation
                IAddVjoNaturePolicy policy = AddVjoNaturePolicyManager.getInstance().getPolicy(project);
                policy.addVjoNature(project);
            }
        }

    }

    public void selectionChanged(IAction action, ISelection selection) {
        this.selection = selection;

        IAdaptable adaptable = (IAdaptable) ((IStructuredSelection) selection).getFirstElement();

        //Modify by Eirc.MA on 20090623
        if (adaptable == null)
            return;
        //End of modification
        IProject project = (IProject) adaptable.getAdapter(IProject.class);

        boolean hasVJONature = this.hasVJONature(project);
        boolean hasVJOBuilder = this.hasVJOBuilder(project);
        if (hasVJONature && hasVJOBuilder)
            action.setEnabled(false);
    }

    private boolean hasVJONature(IProject project) {
        final String builderID = VjetPlugin.BUILDER_ID;
        try {
            IProjectDescription description = project.getDescription();
            ICommand[] buildCommands = description.getBuildSpec();
            for (int i = 0; i < buildCommands.length; i++) {
                if (builderID.equals(buildCommands[i].getBuilderName()))
                    return true;
            }
            return false;
        } catch (CoreException e) {
            return false;
        }
    }

    private boolean hasVJOBuilder(IProject project) {
        try {
            IProjectDescription description = project.getDescription();
            return description.hasNature(VjoNature.NATURE_ID);
        } catch (CoreException e) {
            return false;
        }
    }

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
        // TODO Auto-generated method stub
    }

    public void setInitializationData(IConfigurationElement config, String propertyName, Object data)
            throws CoreException {
        // TODO Auto-generated method stub
    }
}