com.remainsoftware.tycho.pombuilder.ui.internal.actions.EnableNatureAction.java Source code

Introduction

Here is the source code for com.remainsoftware.tycho.pombuilder.ui.internal.actions.EnableNatureAction.java

Source

/*******************************************************************************
 * Copyright (c) 2013 Remain Software and others http://remainsoftware.com
 * 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
 * 
 * Contributors:
 *     Gerd Wuetherich (gerd@gerd-wuetherich.de) - initial implementation
 *     Wim Jongman - adapted to pom builder
 ******************************************************************************/
package com.remainsoftware.tycho.pombuilder.ui.internal.actions;

import java.util.Iterator;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
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;

import com.remainsoftware.tycho.pombuilder.core.Constants;

public class EnableNatureAction implements IObjectActionDelegate {

    private ISelection selection;

    @Override
    public void run(IAction action) {
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
                Object element = it.next();
                IProject project = null;
                if (element instanceof IProject) {
                    project = (IProject) element;
                } else if (element instanceof IAdaptable) {
                    project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
                }
                if (project != null) {
                    try {
                        enableNature(project, structuredSelection.size() == 1);
                    } catch (CoreException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }
        }
    }

    private void enableNature(IProject project, boolean b) throws CoreException {
        IProjectDescription description = project.getDescription();
        String[] natures = description.getNatureIds();
        String[] newNatures = new String[natures.length + 1];
        System.arraycopy(natures, 0, newNatures, 0, natures.length);
        newNatures[natures.length] = Constants.POM_NATURE;
        description.setNatureIds(newNatures);
        project.setDescription(description, null);
    }

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

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

    }
}