/*
 * Copyright (c) 2004-2011 Marco Maccaferri and others.
 * 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:
 *     Marco Maccaferri - initial API and implementation
 */

package org.eclipsetrader.ui.internal.charts.views;

import org.eclipsetrader.core.views.IView;
import org.eclipsetrader.core.views.IViewItem;
import org.eclipsetrader.core.views.IViewItemVisitor;
import org.eclipsetrader.core.views.IViewVisitor;
import org.eclipsetrader.ui.charts.ChartViewItem;
import org.eclipsetrader.ui.charts.IChartObject;
import org.eclipsetrader.ui.charts.IChartObjectVisitor;

public class ChartViewItemFinder implements IViewVisitor, IViewItemVisitor {

    private IChartObject target;
    private ChartViewItem viewItem;

    public ChartViewItemFinder() {
    }

    public ChartViewItemFinder(IChartObject target) {
        this.target = target;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.core.views.IViewVisitor#visit(org.eclipsetrader.core.views.IView)
     */
    @Override
    public boolean visit(IView view) {
        return true;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.core.views.IViewItemVisitor#visit(org.eclipsetrader.core.views.IViewItem)
     */
    @Override
    public boolean visit(final IViewItem viewItem) {
        if (!(viewItem instanceof ChartViewItem)) {
            return true;
        }
        IChartObject object = (IChartObject) viewItem.getAdapter(IChartObject.class);
        object.accept(new IChartObjectVisitor() {

            @Override
            public boolean visit(IChartObject object) {
                if (object == target) {
                    ChartViewItemFinder.this.viewItem = (ChartViewItem) viewItem;
                }
                return true;
            }
        });
        return true;
    }

    public ChartViewItem getViewItem() {
        return viewItem;
    }
}