de.ovgu.featureide.ui.views.collaboration.action.ShowFieldsMethodsAction.java Source code

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Here is the source code for de.ovgu.featureide.ui.views.collaboration.action.ShowFieldsMethodsAction.java

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/* FeatureIDE - An IDE to support feature-oriented software development
 * Copyright (C) 2005-2012  FeatureIDE team, University of Magdeburg
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/.
 *
 * See http://www.fosd.de/featureide/ for further information.
 */
package de.ovgu.featureide.ui.views.collaboration.action;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import de.ovgu.featureide.ui.views.collaboration.CollaborationView;
import de.ovgu.featureide.ui.views.collaboration.figures.RoleFigure;

/**
 * collaboration diagram contextmenu option
 * filter methods and fields of roles 
 * 
 * @author Steffen Schulze 
 * @author Christian Lausberger 
 */
public class ShowFieldsMethodsAction extends Action {

    public static final int ONLY_FIELDS = 0;
    public static final int ONLY_METHODS = 1;
    public static final int HIDE_PARAMETERS_AND_TYPES = 2;
    public static final int PUBLIC_FIELDSMETHODS = 3;
    public static final int PROTECTED_FIELDSMETHODS = 4;
    public static final int DEFAULT_FIELDSMETHODS = 5;
    public static final int PRIVATE_FIELDSMETHODS = 6;
    public static final int SELECT_ALL = 7;
    public static final int DESELECT_ALL = 8;

    private CollaborationView collaborationView;
    private int index;

    public ShowFieldsMethodsAction(String text, Image image, CollaborationView collaborationView, int index) {
        super(text, getImageDiscriptor(image));
        this.collaborationView = collaborationView;
        this.index = index;
    }

    @Override
    public void setChecked(boolean checked) {
        super.setChecked(isSelected());
    }

    private static ImageDescriptor getImageDiscriptor(Image image) {
        if (image != null) {
            return ImageDescriptor.createFromImage(image);
        }
        return null;
    }

    public void run() {
        boolean[] selected = RoleFigure.getSelectedFieldMethod();

        switch (this.index) {
        case SELECT_ALL:
            setSelected(true, selected);
            break;
        case DESELECT_ALL:
            setSelected(false, selected);
            break;
        case ONLY_FIELDS:
        case ONLY_METHODS:
            noDeclarationTypSelected(selected);
            break;
        case HIDE_PARAMETERS_AND_TYPES:
            selected[index] = !selected[index];
            break;
        default:
            noOnlyFieldOrMethodSelected(selected);
        }
        RoleFigure.setSelectedFieldMethod(selected);
        collaborationView.refresh();
    }

    private void setSelected(boolean value, boolean[] selected) {
        for (int i = ONLY_FIELDS; i < selected.length; i++) {
            if (i != HIDE_PARAMETERS_AND_TYPES)
                selected[i] = value;
        }

    }

    private void noOnlyFieldOrMethodSelected(boolean[] selected) {
        if (!selected[ONLY_FIELDS] && !selected[ONLY_METHODS]) {
            selected[ONLY_FIELDS] = true;
            selected[ONLY_METHODS] = true;
        }
        selected[index] = !selected[index];
    }

    private void noDeclarationTypSelected(boolean[] selected) {
        if (!selected[PUBLIC_FIELDSMETHODS] && !selected[PROTECTED_FIELDSMETHODS]
                && !selected[DEFAULT_FIELDSMETHODS] && !selected[PRIVATE_FIELDSMETHODS]) {
            selected[PUBLIC_FIELDSMETHODS] = true;
            selected[PROTECTED_FIELDSMETHODS] = true;
            selected[DEFAULT_FIELDSMETHODS] = true;
            selected[PRIVATE_FIELDSMETHODS] = true;
        }
        selected[index] = !selected[index];
    }

    private boolean isSelected() {
        switch (index) {
        case SELECT_ALL:
            return false;
        case DESELECT_ALL:
            return false;
        default:
            return RoleFigure.getSelectedFieldMethod()[index];
        }
    }
}