YUI.add('series-range', function (Y, NAME) {

/**

 * Provides functionality for creating a range series.

 *

 * @module charts

 * @submodule series-range

 */

/**

 * An abstract class for creating range series instances.

 * RangeSeries is used by the following classes:

 * <ul>

 *      <li>{{#crossLink "CandlestickSeries"}}{{/crossLink}}</li>

 *      <li>{{#crossLink "OHLCSeries"}}{{/crossLink}}</li>

 *  </ul>

 *

 * @class RangeSeries

 * @extends CartesianSeries

 * @constructor

 * @param {Object} config (optional) Configuration parameters.

 * @submodule series-range

 */

function RangeSeries()

{

    RangeSeries.superclass.constructor.apply(this, arguments);

}

RangeSeries.NAME = "rangeSeries";

RangeSeries.ATTRS = {

    /**

     * Read-only attribute indicating the type of series.

     *

     * @attribute type

     * @type String

     * @default range

     */

    type: {

        value: "range"

    },

    /**

     * Values to be used for open, high, low and close keys.

     *

     * @attribute ohlc

     * @type Object

     */

    ohlckeys: {

        valueFn: function() {

            return {

                open: "open",

                high: "high",

                low: "low",

                close: "close"

            };

        }

    }

};

Y.extend(RangeSeries, Y.CartesianSeries, {

    /**

     * Returns the width for each marker base on the width of the series

     * and the length of the dataProvider.

     *

     * @method calculateMarkerWidth

     * @param {Number} width The width, in pixels of the series.

     * @param {Number} count The length of the datProvider.

     * @return Number

     * @private

     */

    _calculateMarkerWidth: function(width, count, spacing)

    {

        var val = 0;

        while(val < 3 && spacing > -1)

        {

            spacing = spacing - 1;

            val = Math.round(width/count - spacing);

            if(val % 2 === 0) {

                val = val - 1;

            }

        }

        return Math.max(1, val);

    },

    /**

     * Draws the series.

     *

     * @method drawSeries

     * @protected

     */

    drawSeries: function()

    {

        var xcoords = this.get("xcoords"),

            ycoords = this.get("ycoords"),

            styles = this.get("styles"),

            padding = styles.padding,

            len = xcoords.length,

            dataWidth = this.get("width") - (padding.left + padding.right),

            keys = this.get("ohlckeys"),

            opencoords = ycoords[keys.open],

            highcoords = ycoords[keys.high],

            lowcoords = ycoords[keys.low],

            closecoords = ycoords[keys.close],

            width = this._calculateMarkerWidth(dataWidth, len, styles.spacing),

            halfwidth = width/2;

        this._drawMarkers(xcoords, opencoords, highcoords, lowcoords, closecoords, len, width, halfwidth, styles);

    },

    /**

     * Gets the default value for the `styles` attribute. Overrides

     * base implementation.

     *

     * @method _getDefaultStyles

     * @return Object

     * @private

     */

    _getDefaultStyles: function()

    {

        var styles = {

            spacing: 3

        };

        return this._mergeStyles(styles, RangeSeries.superclass._getDefaultStyles());

    }

});

Y.RangeSeries = RangeSeries;

}, '@VERSION@', {"requires": ["series-cartesian"]});