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# File: input/charts/LineSeries.js

    /**
     * The LineSeries class renders quantitative data on a graph by connecting relevant data points.
     *
     * @module charts
     * @class LineSeries
     * @extends CartesianSeries
     * @uses Lines
     * @constructor
     */
    Y.LineSeries = Y.Base.create("lineSeries", Y.CartesianSeries, [Y.Lines], {
        /**
         * @protected
         *
         * @method drawSeries
         */
        drawSeries: function()
        {
            this.drawLines();
        },

        /**
         * @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.line)
            {
                val = {line:val};
            }
            return Y.LineSeries.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({line:this._getLineDefaults()}, Y.LineSeries.superclass._getDefaultStyles());
            return styles;
        }
    },
    {
        ATTRS: {
            /**
             * Read-only attribute indicating the type of series.
             *
             * @attribute type
             * @type String
             * @default line
             */
            type: {
                value:"line"
            }

            /**
             * Style properties used for drawing lines. This attribute is inherited from `Renderer`. Below are the default values:
             *  <dl>
             *      <dt>color</dt><dd>The color of the line. The default value is determined by the order of the series on the graph. The color will be
             *      retrieved from the following array:
             *      `["#426ab3", "#d09b2c", "#000000", "#b82837", "#b384b5", "#ff7200", "#779de3", "#cbc8ba", "#7ed7a6", "#007a6c"]`
             *      <dt>weight</dt><dd>Number that indicates the width of the line. The default value is 6.</dd>
             *      <dt>alpha</dt><dd>Number between 0 and 1 that indicates the opacity of the line. The default value is 1.</dd>
             *      <dt>lineType</dt><dd>Indicates whether the line is solid or dashed. The default value is solid.</dd>
             *      <dt>dashLength</dt><dd>When the `lineType` is dashed, indicates the length of the dash. The default value is 10.</dd>
             *      <dt>gapSpace</dt><dd>When the `lineType` is dashed, indicates the distance between dashes. The default value is 10.</dd>
             *      <dt>connectDiscontinuousPoints</dt><dd>Indicates whether or not to connect lines when there is a missing or null value between points. The default value is true.</dd>
             *      <dt>discontinuousType</dt><dd>Indicates whether the line between discontinuous points is solid or dashed. The default value is solid.</dd>
             *      <dt>discontinuousDashLength</dt><dd>When the `discontinuousType` is dashed, indicates the length of the dash. The default value is 10.</dd>
             *      <dt>discontinuousGapSpace</dt><dd>When the `discontinuousType` is dashed, indicates the distance between dashes. The default value is 10.</dd>
             *  </dl>
             *
             * @attribute styles
             * @type Object
             */
        }
    });