File: charts/js/AreaSeries.js

            /**
             * Provides functionality for creating a area series.
             *
             * @module charts
             * @submodule series-area
             */
            /**
             * The AreaSeries class renders quantitative data on a graph by creating a fill between 0
             * and the relevant data points.
             *
             * @class AreaSeries
             * @extends CartesianSeries
             * @uses Fills
             * @constructor
             * @param {Object} config (optional) Configuration parameters.
             * @submodule series-area
             */
            Y.AreaSeries = Y.Base.create("areaSeries", Y.CartesianSeries, [Y.Fills], {
                /**
                 * @protected
                 *
                 * Renders the series.
                 *
                 * @method drawSeries
                 */
                drawSeries: function()
                {
                    this.drawFill.apply(this, this._getClosingPoints());
                },
            
                /**
                 * @protected
                 *
                 * Method used by `styles` setter. Overrides base implementation.
                 *
                 * @method _setStyles
                 * @param {Object} newStyles Hash of properties to update.
                 * @return Object
                 */
                _setStyles: function(val)
                {
                    if(!val.area)
                    {
                        val = {area:val};
                    }
                    return Y.AreaSeries.superclass._setStyles.apply(this, [val]);
                },
            
                /**
                 * @protected
                 *
                 * Gets the default value for the `styles` attribute. Overrides
                 * base implementation.
                 *
                 * @method _getDefaultStyles
                 * @return Object
                 */
                _getDefaultStyles: function()
                {
                    var styles = this._mergeStyles({area:this._getAreaDefaults()}, Y.AreaSeries.superclass._getDefaultStyles());
                    return styles;
                }
            },
            {
                ATTRS: {
                    /**
                     * Read-only attribute indicating the type of series.
                     *
                     * @attribute type
                     * @type String
                     * @default area
                     */
                    type: {
                        value:"area"
                    }
            
                    /**
                     * Style properties used for drawing area fills. This attribute is inherited from `Renderer`. Below are the default values:
                     *
                     *  <dl>
                     *      <dt>color</dt><dd>The color of the fill. The default value is determined by the order of the series on the graph. The color will be
                     *      retrieved from the following array:
                     *      `["#66007f", "#a86f41", "#295454", "#996ab2", "#e8cdb7", "#90bdbd","#000000","#c3b8ca", "#968373", "#678585"]`
                     *      </dd>
                     *      <dt>alpha</dt><dd>Number between 0 and 1 that indicates the opacity of the fill. The default value is 1</dd>
                     *  </dl>
                     *
                     * @attribute styles
                     * @type Object
                     */
                }
            });