/*******************************************************************************
 * This file is part of the Symfony eclipse plugin.
 * 
 * (c) Robert Gruendler <r.gruendler@gmail.com>
 * 
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 ******************************************************************************/
package com.dubture.symfony.ui.quickassist;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.dltk.ui.DLTKPluginImages;
import org.eclipse.dltk.ui.DLTKUIPlugin;
import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.text.contentassist.ICompletionProposalExtension2;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;

import com.dubture.symfony.core.log.Logger;
import com.dubture.symfony.core.resources.SymfonyMarker;
import com.dubture.symfony.ui.utils.DialogUtils;

public class CreateClassCompletionProposal implements ICompletionProposal,
        ICompletionProposalExtension2
{

    private String className;
    private IMarker marker;

    public CreateClassCompletionProposal(IMarker marker)
    {
        try {
            className = (String) marker
                    .getAttribute(SymfonyMarker.SERVICE_CLASS);
            this.marker = marker;
        } catch (CoreException e) {
            Logger.logException(e);
        }
    }

    @Override
    public void apply(ITextViewer viewer, char trigger, int stateMask,
            int offset)
    {

        if (marker == null) {
            return;
        }

        DialogUtils.launchClassWizardFromMarker(marker);

    }

    @Override
    public void selected(ITextViewer viewer, boolean smartToggle)
    {

    }

    @Override
    public void unselected(ITextViewer viewer)
    {

    }

    @Override
    public boolean validate(IDocument document, int offset, DocumentEvent event)
    {
        return false;
    }

    @Override
    public void apply(IDocument document)
    {

    }

    @Override
    public Point getSelection(IDocument document)
    {
        return null;
    }

    @Override
    public String getAdditionalProposalInfo()
    {
        return "Launch the New Class Wizard and create a new class '"
                + className + "'";
    }

    @Override
    public String getDisplayString()
    {
        return "Create new class ";
    }

    @Override
    public Image getImage()
    {
        return DLTKUIPlugin.getImageDescriptorRegistry().get(
                DLTKPluginImages.DESC_OBJS_CLASS);
    }

    @Override
    public IContextInformation getContextInformation()
    {
        return null;
    }
}