ca.mcgill.cs.swevo.qualyzer.editors.RemoveAllCodesAction.java Source code

Introduction

Here is the source code for ca.mcgill.cs.swevo.qualyzer.editors.RemoveAllCodesAction.java

Source

/*******************************************************************************
 * Copyright (c) 2010 McGill University
 * 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:
 *     Jonathan Faubert
 *******************************************************************************/
/**
 * 
 */
package ca.mcgill.cs.swevo.qualyzer.editors;

import java.util.Iterator;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.swt.graphics.Point;

import ca.mcgill.cs.swevo.qualyzer.model.Facade;
import ca.mcgill.cs.swevo.qualyzer.model.Fragment;

/**
 * Removes all the codes from a given fragment. Then deletes that fragment.
 */
public class RemoveAllCodesAction extends Action {

    private RTFEditor fEditor;
    private RTFSourceViewer fSourceViewer;

    /**
     * @param editor 
     * @param viewer 
     * 
     */
    public RemoveAllCodesAction(RTFEditor editor, RTFSourceViewer viewer) {
        super(Messages.getString("editors.RemoveAllCodesAction.removeAllCodes")); //$NON-NLS-1$
        fEditor = editor;
        fSourceViewer = viewer;
    }

    /**
     * Opens a confirmation dialog and then removes all the codes from the selected fragment.
     * @see org.eclipse.jface.action.Action#run()
     */
    @SuppressWarnings("unchecked")
    @Override
    public void run() {
        boolean check = MessageDialog.openConfirm(fEditor.getSite().getShell(),
                Messages.getString("editors.RemoveAllCodesAction.removeAllCodes"), //$NON-NLS-1$
                Messages.getString("editors.RemoveAllCodesAction.confirm")); //$NON-NLS-1$ 

        if (!check) {
            return;
        }

        Point selection = fSourceViewer.getSelectedRange();
        RTFAnnotationModel model = (RTFAnnotationModel) fSourceViewer.getAnnotationModel();
        Iterator<Annotation> iter = model.getAnnotationIterator();
        while (iter.hasNext()) {
            Annotation annotation = iter.next();
            if (annotation instanceof FragmentAnnotation) {
                Position pos = model.getPosition(annotation);
                if (pos.offset == selection.x && pos.length == selection.y) {
                    model.removeAnnotationOnly(annotation);
                    Fragment fragment = ((FragmentAnnotation) annotation).getFragment();
                    Facade.getInstance().deleteFragment(fragment);
                    fEditor.setDirty();
                    break;
                }
            }
        }
    }
}