/*
 * 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.indicators;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipsetrader.core.charts.IDataSeries;
import org.eclipsetrader.ui.charts.IObjectRenderer;
import org.eclipsetrader.ui.charts.LineRenderers;
import org.eclipsetrader.ui.charts.RenderStyle;
import org.eclipsetrader.ui.charts.RenderTarget;

public class SingleLineElement implements IAdaptable, IObjectRenderer {

    private IDataSeries dataSeries;
    private RenderStyle style;
    private RGB color = new RGB(0, 0, 0);

    public SingleLineElement() {
    }

    public SingleLineElement(IDataSeries dataSeries, RenderStyle style, RGB color) {
        this.dataSeries = dataSeries;
        this.style = style;
        this.color = color;
    }

    /* (non-Javadoc)
     * @see org.eclipsetrader.ui.charts.IObjectRenderer#renderObject(org.eclipsetrader.ui.charts.RenderTarget, org.eclipsetrader.core.charts.IDataSeries)
     */
    @Override
    public void renderObject(RenderTarget target, IDataSeries dataSeries) {
        Color color = target.registry.getColor(this.color);
        switch (style) {
            case Dot:
                LineRenderers.renderDotLine(target, dataSeries.getValues(), color);
                break;
            case Dash:
                LineRenderers.renderDashLine(target, dataSeries.getValues(), color);
                break;
            case HistogramBars:
                LineRenderers.renderHistogramBars(target, dataSeries.getValues(), 3, color);
                break;
            default:
                LineRenderers.renderLine(target, dataSeries.getValues(), color);
                break;
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
     */
    @Override
    @SuppressWarnings("unchecked")
    public Object getAdapter(Class adapter) {
        if (adapter.isAssignableFrom(IDataSeries.class)) {
            return dataSeries;
        }
        if (adapter.isAssignableFrom(getClass())) {
            return this;
        }
        return null;
    }
}