/*
 * Copyright (c) 2004- michael lawley and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation
 * which accompanies this distribution, and is available by writing to
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Contributors:
 *     michael lawley
 *
 *
 *
 */

package tefkat.plugin;

import org.eclipse.core.resources.ICommand;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.runtime.CoreException;

/**
 * @author lawley
 *
 */
public class TefkatNature implements IProjectNature {
    IProject project;

    /* (non-Javadoc)
     * @see org.eclipse.core.resources.IProjectNature#configure()
     */
    public void configure() throws CoreException {
        IProjectDescription description = getProject().getDescription();
        ICommand[] commands = description.getBuildSpec();
        for (int i = 0; i < commands.length; i++) {
            if (commands[i].getBuilderName().equals(TefkatPlugin.TEFKAT_BUILDER)) {
                return;
            }
        }
        
        ICommand command = description.newCommand();
        command.setBuilderName(TefkatPlugin.TEFKAT_BUILDER);
        ICommand[] newCommands = new ICommand[commands.length + 1];
        System.arraycopy(commands, 0, newCommands, 0, commands.length);
        newCommands[commands.length] = command;
        description.setBuildSpec(newCommands);
        getProject().setDescription(description, null);
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.resources.IProjectNature#deconfigure()
     */
    public void deconfigure() throws CoreException {
        IProjectDescription description = getProject().getDescription();
        ICommand[] commands = description.getBuildSpec();
        for (int i = 0; i < commands.length; i++) {
            if (commands[i].getBuilderName().equals(TefkatPlugin.TEFKAT_BUILDER)) {
                ICommand[] newCommands = new ICommand[commands.length - 1];
                System.arraycopy(commands, 0, newCommands, 0, i);
                System.arraycopy(commands, i + 1, newCommands, i, commands.length - i - 1);
                description.setBuildSpec(newCommands);
                getProject().setDescription(description, null);
                return;
            }
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.resources.IProjectNature#getProject()
     */
    public IProject getProject() {
        return project;
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.resources.IProjectNature#setProject(org.eclipse.core.resources.IProject)
     */
    public void setProject(IProject project) {
        this.project = project;
    }

}