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Code Editor : axis-debug.js

/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/

YUI.add('axis', function (Y, NAME) {

/**
 * Provides base functionality for drawing chart axes.
 *
 * @module charts
 * @submodule axis
 */
var CONFIG = Y.config,
    DOCUMENT = CONFIG.doc,
    Y_Lang = Y.Lang,
    IS_STRING = Y_Lang.isString,
    Y_DOM = Y.DOM,
    LeftAxisLayout,
    RightAxisLayout,
    BottomAxisLayout,
    TopAxisLayout;
/**
 * Algorithmic strategy for rendering a left axis.
 *
 * @class LeftAxisLayout
 * @constructor
 * @submodule axis
 */
LeftAxisLayout = function() {};

LeftAxisLayout.prototype = {
    /**
     *  Default margins for text fields.
     *
     *  @private
     *  @method _getDefaultMargins
     *  @return Object
     */
    _getDefaultMargins: function()
    {
        return {
            top: 0,
            left: 0,
            right: 4,
            bottom: 0
        };
    },

/**
     * Sets the length of the tick on either side of the axis line.
     *
     * @method setTickOffset
     * @protected
     */
    setTickOffsets: function()
    {
        var host = this,
            majorTicks = host.get("styles").majorTicks,
            tickLength = majorTicks.length,
            halfTick = tickLength * 0.5,
            display = majorTicks.display;
        host.set("topTickOffset",  0);
        host.set("bottomTickOffset",  0);

switch(display)
        {
            case "inside" :
                host.set("rightTickOffset",  tickLength);
                host.set("leftTickOffset", 0);
            break;
            case "outside" :
                host.set("rightTickOffset", 0);
                host.set("leftTickOffset",  tickLength);
            break;
            case "cross":
                host.set("rightTickOffset", halfTick);
                host.set("leftTickOffset",  halfTick);
            break;
            default:
                host.set("rightTickOffset", 0);
                host.set("leftTickOffset", 0);
            break;
        }
    },

/**
     * Draws a tick
     *
     * @method drawTick
     * @param {Path} path reference to the path `Path` element in which to draw the tick.
     * @param {Object} pt Point on the axis in which the tick will intersect.
     * @param {Object} tickStyle Hash of properties to apply to the tick.
     * @protected
     */
    drawTick: function(path, pt, tickStyles)
    {
        var host = this,
            style = host.get("styles"),
            padding = style.padding,
            tickLength = tickStyles.length,
            start = {x:padding.left, y:pt.y},
            end = {x:tickLength + padding.left, y:pt.y};
        host.drawLine(path, start, end);
    },

/**
     * Calculates the coordinates for the first point on an axis.
     *
     * @method getLineStart
     * @return {Object}
     * @protected
     */
    getLineStart: function()
    {
        var style = this.get("styles"),
            padding = style.padding,
            majorTicks = style.majorTicks,
            tickLength = majorTicks.length,
            display = majorTicks.display,
            pt = {x:padding.left, y:0};
        if(display === "outside")
        {
            pt.x += tickLength;
        }
        else if(display === "cross")
        {
            pt.x += tickLength/2;
        }
        return pt;
    },

/**
     * Calculates the point for a label.
     *
     * @method getLabelPoint
     * @param {Object} point Point on the axis in which the tick will intersect.
     * @return {Object}
     * @protected
     */
    getLabelPoint: function(point)
    {
        return {x:point.x - this.get("leftTickOffset"), y:point.y};
    },

/**
     * Updates the value for the `maxLabelSize` for use in calculating total size.
     *
     * @method updateMaxLabelSize
     * @param {HTMLElement} label to measure
     * @protected
     */
    updateMaxLabelSize: function(labelWidth, labelHeight)
    {
        var host = this,
            props = this._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            sinRadians = props.sinRadians,
            cosRadians = props.cosRadians,
            max;
        if(rot === 0)
        {
            max = labelWidth;
        }
        else if(absRot === 90)
        {
            max = labelHeight;
        }
        else
        {
            max = (cosRadians * labelWidth) + (sinRadians * labelHeight);
        }
        host._maxLabelSize = Math.max(host._maxLabelSize, max);
    },

/**
     * Determines the available label width when the axis width has been explicitly set.
     *
     * @method getExplicitlySized
     * @return Boolean
     * @protected
     */
    getExplicitlySized: function(styles)
    {
        if(this._explicitWidth)
        {
            var host = this,
                w = host._explicitWidth,
                totalTitleSize = host._totalTitleSize,
                leftTickOffset = host.get("leftTickOffset"),
                margin = styles.label.margin.right;
            host._maxLabelSize =  w - (leftTickOffset + margin + totalTitleSize);
            return true;
        }
        return false;
    },

/**
     * Rotate and position title.
     *
     * @method positionTitle
     * @param {HTMLElement} label to rotate position
     * @protected
     */
    positionTitle: function(label)
    {
        var host = this,
            bounds = host._titleBounds,
            margin = host.get("styles").title.margin,
            props = host._titleRotationProps,
            w = bounds.right - bounds.left,
            labelWidth = label.offsetWidth,
            labelHeight = label.offsetHeight,
            x = (labelWidth * -0.5) + (w * 0.5),
            y = (host.get("height") * 0.5) - (labelHeight * 0.5);
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        if(margin && margin.left)
        {
            x += margin.left;
        }
        props.x = x;
        props.y = y;
        props.transformOrigin = [0.5, 0.5];
        host._rotate(label, props);
    },

/**
     * Rotate and position labels.
     *
     * @method positionLabel
     * @param {HTMLElement} label to rotate position
     * @param {Object} pt hash containing the x and y coordinates in which the label will be positioned
     * against.
     * @protected
     */
    positionLabel: function(label, pt, styles, i)
    {
        var host = this,
            offset = parseFloat(styles.label.offset),
            tickOffset = host.get("leftTickOffset"),
            totalTitleSize = this._totalTitleSize,
            leftOffset = pt.x + totalTitleSize - tickOffset,
            topOffset = pt.y,
            props = this._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            maxLabelSize = host._maxLabelSize,
            labelWidth = this._labelWidths[i],
            labelHeight = this._labelHeights[i];
        if(rot === 0)
        {
            leftOffset -= labelWidth;
            topOffset -= labelHeight * offset;
        }
        else if(rot === 90)
        {
            leftOffset -= labelWidth * 0.5;
            topOffset = topOffset + labelWidth/2 - (labelWidth * offset);
        }
        else if(rot === -90)
        {
            leftOffset -= labelWidth * 0.5;
            topOffset = topOffset - labelHeight + labelWidth/2 - (labelWidth * offset);
        }
        else
        {
            leftOffset -= labelWidth + (labelHeight * absRot/360);
            topOffset -= labelHeight * offset;
        }
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        props.x = Math.round(maxLabelSize + leftOffset);
        props.y = Math.round(topOffset);
        this._rotate(label, props);
    },

/**
     * Adjusts the coordinates of an axis label based on the rotation.
     *
     * @method _setRotationCoords
     * @param {Object} props Coordinates, dimension and rotation properties of the label.
     * @protected
     */
    _setRotationCoords: function(props)
    {
        var rot = props.rot,
            absRot = props.absRot,
            leftOffset,
            topOffset,
            labelWidth = props.labelWidth,
            labelHeight = props.labelHeight;
        if(rot === 0)
        {
            leftOffset = labelWidth;
            topOffset = labelHeight * 0.5;
        }
        else if(rot === 90)
        {
            topOffset = 0;
            leftOffset = labelWidth * 0.5;
        }
        else if(rot === -90)
        {
            leftOffset = labelWidth * 0.5;
            topOffset = labelHeight;
        }
        else
        {
            leftOffset = labelWidth + (labelHeight * absRot/360);
            topOffset = labelHeight * 0.5;
        }
        props.x -= leftOffset;
        props.y -= topOffset;
    },

/**
     * Returns the transformOrigin to use for an axis label based on the position of the axis
     * and the rotation of the label.
     *
     * @method _getTransformOrigin
     * @param {Number} rot The rotation (in degrees) of the label.
     * @return Array
     * @protected
     */
    _getTransformOrigin: function(rot)
    {
        var transformOrigin;
        if(rot === 0)
        {
            transformOrigin = [0, 0];
        }
        else if(rot === 90)
        {
            transformOrigin = [0.5, 0];
        }
        else if(rot === -90)
        {
            transformOrigin = [0.5, 1];
        }
        else
        {
            transformOrigin = [1, 0.5];
        }
        return transformOrigin;
    },

/**
     * Adjust the position of the Axis widget's content box for internal axes.
     *
     * @method offsetNodeForTick
     * @param {Node} cb contentBox of the axis
     * @protected
     */
    offsetNodeForTick: function()
    {
    },

/**
     * Sets the width of the axis based on its contents.
     *
     * @method setCalculatedSize
     * @protected
     */
    setCalculatedSize: function()
    {
        var host = this,
            graphic = this.get("graphic"),
            style = host.get("styles"),
            label = style.label,
            tickOffset = host.get("leftTickOffset"),
            max = host._maxLabelSize,
            totalTitleSize = this._totalTitleSize,
            ttl = Math.round(totalTitleSize + tickOffset + max + label.margin.right);
        if(this._explicitWidth)
        {
            ttl = this._explicitWidth;
        }
        this.set("calculatedWidth", ttl);
        graphic.set("x", ttl - tickOffset);
    }
};

Y.LeftAxisLayout = LeftAxisLayout;
/**
 * RightAxisLayout contains algorithms for rendering a right axis.
 *
 * @class RightAxisLayout
 * @constructor
 * @submodule axis
 */
RightAxisLayout = function(){};

RightAxisLayout.prototype = {
    /**
     *  Default margins for text fields.
     *
     *  @private
     *  @method _getDefaultMargins
     *  @return Object
     */
    _getDefaultMargins: function()
    {
        return {
            top: 0,
            left: 4,
            right: 0,
            bottom: 0
        };
    },

switch(display)
        {
            case "inside" :
                host.set("leftTickOffset", tickLength);
                host.set("rightTickOffset", 0);
            break;
            case "outside" :
                host.set("leftTickOffset", 0);
                host.set("rightTickOffset", tickLength);
            break;
            case "cross" :
                host.set("rightTickOffset", halfTick);
                host.set("leftTickOffset", halfTick);
            break;
            default:
                host.set("leftTickOffset", 0);
                host.set("rightTickOffset", 0);
            break;
        }
    },

/**
     * Draws a tick
     *
     * @method drawTick
     * @param {Path} path reference to the path `Path` element in which to draw the tick.
     * @param {Object} pt Point on the axis in which the tick will intersect.
     * @param {Object} tickStyle Hash of properties to apply to the tick.
     * @protected
     */
    drawTick: function(path, pt, tickStyles)
    {
        var host = this,
            style = host.get("styles"),
            padding = style.padding,
            tickLength = tickStyles.length,
            start = {x:padding.left, y:pt.y},
            end = {x:padding.left + tickLength, y:pt.y};
        host.drawLine(path, start, end);
    },

/**
     * Calculates the coordinates for the first point on an axis.
     *
     * @method getLineStart
     * @return {Object}
     * @protected
     */
    getLineStart: function()
    {
        var host = this,
            style = host.get("styles"),
            padding = style.padding,
            majorTicks = style.majorTicks,
            tickLength = majorTicks.length,
            display = majorTicks.display,
            pt = {x:padding.left, y:padding.top};
        if(display === "inside")
        {
            pt.x += tickLength;
        }
        else if(display === "cross")
        {
            pt.x += tickLength/2;
        }
        return pt;
    },

/**
     * Determines the available label width when the axis width has been explicitly set.
     *
     * @method getExplicitlySized
     * @return Boolean
     * @protected
     */
    getExplicitlySized: function(styles)
    {
        if(this._explicitWidth)
        {
            var host = this,
                w = host._explicitWidth,
                totalTitleSize = this._totalTitleSize,
                rightTickOffset = host.get("rightTickOffset"),
                margin = styles.label.margin.right;
            host._maxLabelSize =  w - (rightTickOffset + margin + totalTitleSize);
            return true;
        }
        return false;
    },

/**
     * Rotate and position title.
     *
     * @method positionTitle
     * @param {HTMLElement} label to rotate position
     * @protected
     */
    positionTitle: function(label)
    {
        var host = this,
            bounds = host._titleBounds,
            margin = host.get("styles").title.margin,
            props = host._titleRotationProps,
            labelWidth = label.offsetWidth,
            labelHeight = label.offsetHeight,
            w = bounds.right - bounds.left,
            x = this.get("width") - (labelWidth * 0.5) - (w * 0.5),
            y = (host.get("height") * 0.5) - (labelHeight * 0.5);
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        if(margin && margin.right)
        {
            x -= margin.left;
        }
        props.x = x;
        props.y = y;
        props.transformOrigin = [0.5, 0.5];
        host._rotate(label, props);
    },

/**
     * Rotate and position labels.
     *
     * @method positionLabel
     * @param {HTMLElement} label to rotate position
     * @param {Object} pt hash containing the x and y coordinates in which the label will be positioned
     * against.
     * @protected
     */
    positionLabel: function(label, pt, styles, i)
    {
        var host = this,
            offset = parseFloat(styles.label.offset),
            tickOffset = host.get("rightTickOffset"),
            labelStyles = styles.label,
            margin = 0,
            leftOffset = pt.x,
            topOffset = pt.y,
            props = this._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            labelWidth = this._labelWidths[i],
            labelHeight = this._labelHeights[i];
        if(labelStyles.margin && labelStyles.margin.left)
        {
            margin = labelStyles.margin.left;
        }
        if(rot === 0)
        {
            topOffset -= labelHeight * offset;
        }
        else if(rot === 90)
        {
            leftOffset -= labelWidth * 0.5;
            topOffset = topOffset - labelHeight + labelWidth/2 - (labelWidth * offset);
        }
        else if(rot === -90)
        {
            topOffset = topOffset + labelWidth/2 - (labelWidth * offset);
            leftOffset -= labelWidth * 0.5;
        }
        else
        {
            topOffset -= labelHeight * offset;
            leftOffset += labelHeight/2 * absRot/90;
        }
        leftOffset += margin;
        leftOffset += tickOffset;
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        props.x = Math.round(leftOffset);
        props.y = Math.round(topOffset);
        this._rotate(label, props);
    },

/**
     * Adjusts the coordinates of an axis label based on the rotation.
     *
     * @method _setRotationCoords
     * @param {Object} props Coordinates, dimension and rotation properties of the label.
     * @protected
     */
    _setRotationCoords: function(props)
    {
        var rot = props.rot,
            absRot = props.absRot,
            leftOffset = 0,
            topOffset = 0,
            labelWidth = props.labelWidth,
            labelHeight = props.labelHeight;
        if(rot === 0)
        {
            topOffset = labelHeight * 0.5;
        }
        else if(rot === 90)
        {
            leftOffset = labelWidth * 0.5;
            topOffset = labelHeight;
        }
        else if(rot === -90)
        {
            leftOffset = labelWidth * 0.5;
        }
        else
        {
            topOffset = labelHeight * 0.5;
            leftOffset = labelHeight/2 * absRot/90;
        }
        props.x -= leftOffset;
        props.y -= topOffset;
    },

/**
     * Returns the transformOrigin to use for an axis label based on the position of the axis
     * and the rotation of the label.
     *
     * @method _getTransformOrigin
     * @param {Number} rot The rotation (in degrees) of the label.
     * @return Array
     * @protected
     */
    _getTransformOrigin: function(rot)
    {
        var transformOrigin;
        if(rot === 0)
        {
            transformOrigin = [0, 0];
        }
        else if(rot === 90)
        {
            transformOrigin = [0.5, 1];
        }
        else if(rot === -90)
        {
            transformOrigin = [0.5, 0];
        }
        else
        {
            transformOrigin = [0, 0.5];
        }
        return transformOrigin;
    },

/**
     * Adjusts position for inner ticks.
     *
     * @method offsetNodeForTick
     * @param {Node} cb contentBox of the axis
     * @protected
     */
    offsetNodeForTick: function(cb)
    {
        var host = this,
            tickOffset = host.get("leftTickOffset"),
            offset = 0 - tickOffset;
        cb.setStyle("left", offset);
    },

/**
     * Assigns a height based on the size of the contents.
     *
     * @method setCalculatedSize
     * @protected
     */
    setCalculatedSize: function()
    {
        var host = this,
            styles = host.get("styles"),
            labelStyle = styles.label,
            totalTitleSize = this._totalTitleSize,
            ttl = Math.round(host.get("rightTickOffset") + host._maxLabelSize + totalTitleSize + labelStyle.margin.left);
        if(this._explicitWidth)
        {
            ttl = this._explicitWidth;
        }
        host.set("calculatedWidth", ttl);
        host.get("contentBox").setStyle("width", ttl);
    }
};

Y.RightAxisLayout = RightAxisLayout;
/**
 * Contains algorithms for rendering a bottom axis.
 *
 * @class BottomAxisLayout
 * @Constructor
 * @submodule axis
 */
BottomAxisLayout = function(){};

BottomAxisLayout.prototype = {
    /**
     *  Default margins for text fields.
     *
     *  @private
     *  @method _getDefaultMargins
     *  @return Object
     */
    _getDefaultMargins: function()
    {
        return {
            top: 4,
            left: 0,
            right: 0,
            bottom: 0
        };
    },

switch(display)
        {
            case "inside" :
                host.set("topTickOffset", tickLength);
                host.set("bottomTickOffset", 0);
            break;
            case "outside" :
                host.set("topTickOffset", 0);
                host.set("bottomTickOffset", tickLength);
            break;
            case "cross":
                host.set("topTickOffset",  halfTick);
                host.set("bottomTickOffset",  halfTick);
            break;
            default:
                host.set("topTickOffset", 0);
                host.set("bottomTickOffset", 0);
            break;
        }
    },

/**
     * Calculates the coordinates for the first point on an axis.
     *
     * @method getLineStart
     * @protected
     */
    getLineStart: function()
    {
        var style = this.get("styles"),
            padding = style.padding,
            majorTicks = style.majorTicks,
            tickLength = majorTicks.length,
            display = majorTicks.display,
            pt = {x:0, y:padding.top};
        if(display === "inside")
        {
            pt.y += tickLength;
        }
        else if(display === "cross")
        {
            pt.y += tickLength/2;
        }
        return pt;
    },

/**
     * Draws a tick
     *
     * @method drawTick
     * @param {Path} path reference to the path `Path` element in which to draw the tick.
     * @param {Object} pt hash containing x and y coordinates
     * @param {Object} tickStyles hash of properties used to draw the tick
     * @protected
     */
    drawTick: function(path, pt, tickStyles)
    {
        var host = this,
            style = host.get("styles"),
            padding = style.padding,
            tickLength = tickStyles.length,
            start = {x:pt.x, y:padding.top},
            end = {x:pt.x, y:tickLength + padding.top};
        host.drawLine(path, start, end);
    },

/**
     * Calculates the point for a label.
     *
     * @method getLabelPoint
     * @param {Object} pt Object containing x and y coordinates
     * @return Object
     * @protected
     */
    getLabelPoint: function(point)
    {
        return {x:point.x, y:point.y + this.get("bottomTickOffset")};
    },

/**
     * Updates the value for the `maxLabelSize` for use in calculating total size.
     *
     * @method updateMaxLabelSize
     * @param {HTMLElement} label to measure
     * @protected
     */
    updateMaxLabelSize: function(labelWidth, labelHeight)
    {
        var host = this,
            props = this._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            sinRadians = props.sinRadians,
            cosRadians = props.cosRadians,
            max;
        if(rot === 0)
        {
            max = labelHeight;
        }
        else if(absRot === 90)
        {
            max = labelWidth;
        }
        else
        {
            max = (sinRadians * labelWidth) + (cosRadians * labelHeight);
        }
        host._maxLabelSize = Math.max(host._maxLabelSize, max);
    },

/**
     * Determines the available label height when the axis width has been explicitly set.
     *
     * @method getExplicitlySized
     * @return Boolean
     * @protected
     */
    getExplicitlySized: function(styles)
    {
        if(this._explicitHeight)
        {
            var host = this,
                h = host._explicitHeight,
                totalTitleSize = host._totalTitleSize,
                bottomTickOffset = host.get("bottomTickOffset"),
                margin = styles.label.margin.right;
            host._maxLabelSize =  h - (bottomTickOffset + margin + totalTitleSize);
            return true;
        }
        return false;
    },

/**
     * Rotate and position title.
     *
     * @method positionTitle
     * @param {HTMLElement} label to rotate position
     * @protected
     */
    positionTitle: function(label)
    {
        var host = this,
            bounds = host._titleBounds,
            margin = host.get("styles").title.margin,
            props = host._titleRotationProps,
            h = bounds.bottom - bounds.top,
            labelWidth = label.offsetWidth,
            labelHeight = label.offsetHeight,
            x = (host.get("width") * 0.5) - (labelWidth * 0.5),
            y = host.get("height") - labelHeight/2 - h/2;
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        if(margin && margin.bottom)
        {
            y -= margin.bottom;
        }
        props.x = x;
        props.y = y;
        props.transformOrigin = [0.5, 0.5];
        host._rotate(label, props);
    },

/**
     * Rotate and position labels.
     *
     * @method positionLabel
     * @param {HTMLElement} label to rotate position
     * @param {Object} pt hash containing the x and y coordinates in which the label will be positioned
     * against.
     * @protected
     */
    positionLabel: function(label, pt, styles, i)
    {
        var host = this,
            offset = parseFloat(styles.label.offset),
            tickOffset = host.get("bottomTickOffset"),
            labelStyles = styles.label,
            margin = 0,
            props = host._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            leftOffset = Math.round(pt.x),
            topOffset = Math.round(pt.y),
            labelWidth = host._labelWidths[i],
            labelHeight = host._labelHeights[i];
        if(labelStyles.margin && labelStyles.margin.top)
        {
            margin = labelStyles.margin.top;
        }
        if(rot === 90)
        {
            topOffset -= labelHeight/2 * rot/90;
            leftOffset = leftOffset + labelHeight/2 - (labelHeight * offset);
        }
        else if(rot === -90)
        {
            topOffset -= labelHeight/2 * absRot/90;
            leftOffset = leftOffset - labelWidth + labelHeight/2 - (labelHeight * offset);
        }
        else if(rot > 0)
        {
            leftOffset = leftOffset + labelHeight/2 - (labelHeight * offset);
            topOffset -= labelHeight/2 * rot/90;
        }
        else if(rot < 0)
        {
            leftOffset = leftOffset - labelWidth + labelHeight/2 - (labelHeight * offset);
            topOffset -= labelHeight/2 * absRot/90;
        }
        else
        {
            leftOffset -= labelWidth * offset;
        }
        topOffset += margin;
        topOffset += tickOffset;
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        props.x = leftOffset;
        props.y = topOffset;
        host._rotate(label, props);
    },

if(rot > 0)
        {
            leftOffset = 0;
            topOffset = labelHeight/2 * rot/90;
        }
        else if(rot < 0)
        {
            leftOffset = labelWidth;
            topOffset = labelHeight/2 * absRot/90;
        }
        else
        {
            leftOffset = labelWidth * 0.5;
            topOffset = 0;
        }
        props.x -= leftOffset;
        props.y -= topOffset;
    },

/**
     * Returns the transformOrigin to use for an axis label based on the position of the axis
     * and the rotation of the label.
     *
     * @method _getTransformOrigin
     * @param {Number} rot The rotation (in degrees) of the label.
     * @return Array
     * @protected
     */
    _getTransformOrigin: function(rot)
    {
        var transformOrigin;
        if(rot > 0)
        {
            transformOrigin = [0, 0.5];
        }
        else if(rot < 0)
        {
            transformOrigin = [1, 0.5];
        }
        else
        {
            transformOrigin = [0, 0];
        }
        return transformOrigin;
    },

/**
     * Adjusts position for inner ticks.
     *
     * @method offsetNodeForTick
     * @param {Node} cb contentBox of the axis
     * @protected
     */
    offsetNodeForTick: function(cb)
    {
        var host = this;
        cb.setStyle("top", 0 - host.get("topTickOffset"));
    },

/**
     * Assigns a height based on the size of the contents.
     *
     * @method setCalculatedSize
     * @protected
     */
    setCalculatedSize: function()
    {
        var host = this,
            styles = host.get("styles"),
            labelStyle = styles.label,
            totalTitleSize = host._totalTitleSize,
            ttl = Math.round(host.get("bottomTickOffset") + host._maxLabelSize + labelStyle.margin.top + totalTitleSize);
        if(host._explicitHeight)
        {
            ttl = host._explicitHeight;
        }
        host.set("calculatedHeight", ttl);
    }
};
Y.BottomAxisLayout = BottomAxisLayout;
/**
 * Contains algorithms for rendering a top axis.
 *
 * @class TopAxisLayout
 * @constructor
 * @submodule axis
 */
TopAxisLayout = function(){};

TopAxisLayout.prototype = {
    /**
     *  Default margins for text fields.
     *
     *  @private
     *  @method _getDefaultMargins
     *  @return Object
     */
    _getDefaultMargins: function()
    {
        return {
            top: 0,
            left: 0,
            right: 0,
            bottom: 4
        };
    },

/**
     * Sets the length of the tick on either side of the axis line.
     *
     * @method setTickOffsets
     * @protected
     */
    setTickOffsets: function()
    {
        var host = this,
            majorTicks = host.get("styles").majorTicks,
            tickLength = majorTicks.length,
            halfTick = tickLength * 0.5,
            display = majorTicks.display;
        host.set("leftTickOffset",  0);
        host.set("rightTickOffset",  0);
        switch(display)
        {
            case "inside" :
                host.set("bottomTickOffset", tickLength);
                host.set("topTickOffset", 0);
            break;
            case "outside" :
                host.set("bottomTickOffset", 0);
                host.set("topTickOffset",  tickLength);
            break;
            case "cross" :
                host.set("topTickOffset", halfTick);
                host.set("bottomTickOffset", halfTick);
            break;
            default:
                host.set("topTickOffset", 0);
                host.set("bottomTickOffset", 0);
            break;
        }
    },

/**
     * Calculates the coordinates for the first point on an axis.
     *
     * @method getLineStart
     * @protected
     */
    getLineStart: function()
    {
        var host = this,
            style = host.get("styles"),
            padding = style.padding,
            majorTicks = style.majorTicks,
            tickLength = majorTicks.length,
            display = majorTicks.display,
            pt = {x:0, y:padding.top};
        if(display === "outside")
        {
            pt.y += tickLength;
        }
        else if(display === "cross")
        {
            pt.y += tickLength/2;
        }
        return pt;
    },

/**
     * Calculates the point for a label.
     *
     * @method getLabelPoint
     * @param {Object} pt hash containing x and y coordinates
     * @return Object
     * @protected
     */
    getLabelPoint: function(pt)
    {
        return {x:pt.x, y:pt.y - this.get("topTickOffset")};
    },

/**
     * Updates the value for the `maxLabelSize` for use in calculating total size.
     *
     * @method updateMaxLabelSize
     * @param {HTMLElement} label to measure
     * @protected
     */
    updateMaxLabelSize: function(labelWidth, labelHeight)
    {
        var host = this,
            props = this._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            sinRadians = props.sinRadians,
            cosRadians = props.cosRadians,
            max;
        if(rot === 0)
        {
            max = labelHeight;
        }
        else if(absRot === 90)
        {
            max = labelWidth;
        }
        else
        {
            max = (sinRadians * labelWidth) + (cosRadians * labelHeight);
        }
        host._maxLabelSize = Math.max(host._maxLabelSize, max);
    },

/**
     * Determines the available label height when the axis width has been explicitly set.
     *
     * @method getExplicitlySized
     * @return Boolean
     * @protected
     */
    getExplicitlySized: function(styles)
    {
        if(this._explicitHeight)
        {
            var host = this,
                h = host._explicitHeight,
                totalTitleSize = host._totalTitleSize,
                topTickOffset = host.get("topTickOffset"),
                margin = styles.label.margin.right;
            host._maxLabelSize =  h - (topTickOffset + margin + totalTitleSize);
            return true;
        }
        return false;
    },

/**
     * Rotate and position title.
     *
     * @method positionTitle
     * @param {HTMLElement} label to rotate position
     * @protected
     */
    positionTitle: function(label)
    {
        var host = this,
            bounds = host._titleBounds,
            margin = host.get("styles").title.margin,
            props = host._titleRotationProps,
            labelWidth = label.offsetWidth,
            labelHeight = label.offsetHeight,
            h = bounds.bottom - bounds.top,
            x = (host.get("width") * 0.5) - (labelWidth * 0.5),
            y = h/2 - labelHeight/2;
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        if(margin && margin.top)
        {
            y += margin.top;
        }
        props.x = x;
        props.y = y;
        props.transformOrigin = [0.5, 0.5];
        host._rotate(label, props);
    },

/**
     * Rotate and position labels.
     *
     * @method positionLabel
     * @param {HTMLElement} label to rotate position
     * @param {Object} pt hash containing the x and y coordinates in which the label will be positioned
     * against.
     * @protected
     */
    positionLabel: function(label, pt, styles, i)
    {
        var host = this,
            offset = parseFloat(styles.label.offset),
            totalTitleSize = this._totalTitleSize,
            maxLabelSize = host._maxLabelSize,
            leftOffset = pt.x,
            topOffset = pt.y + totalTitleSize + maxLabelSize,
            props = this._labelRotationProps,
            rot = props.rot,
            absRot = props.absRot,
            labelWidth = this._labelWidths[i],
            labelHeight = this._labelHeights[i];
        if(rot === 0)
        {
            leftOffset -= labelWidth * offset;
            topOffset -= labelHeight;
        }
        else
        {
            if(rot === 90)
            {
                leftOffset = leftOffset - labelWidth + labelHeight/2 - (labelHeight * offset);
                topOffset -= (labelHeight * 0.5);
            }
            else if (rot === -90)
            {
                leftOffset = leftOffset + labelHeight/2 - (labelHeight * offset);
                topOffset -= (labelHeight * 0.5);
            }
            else if(rot > 0)
            {
                leftOffset = leftOffset - labelWidth + labelHeight/2 - (labelHeight * offset);
                topOffset -= labelHeight - (labelHeight * rot/180);
            }
            else
            {
                leftOffset = leftOffset + labelHeight/2 - (labelHeight * offset);
                topOffset -= labelHeight - (labelHeight * absRot/180);
            }
        }
        props.x = Math.round(leftOffset);
        props.y = Math.round(topOffset);
        props.labelWidth = labelWidth;
        props.labelHeight = labelHeight;
        this._rotate(label, props);
    },

/**
     * Adjusts the coordinates of an axis label based on the rotation.
     *
     * @method _setRotationCoords
     * @param {Object} props Coordinates, dimension and rotation properties of the label.
     * @protected
     */
    _setRotationCoords: function(props)
    {
        var rot = props.rot,
            absRot = props.absRot,
            labelWidth = props.labelWidth,
            labelHeight = props.labelHeight,
            leftOffset,
            topOffset;
        if(rot === 0)
        {
            leftOffset = labelWidth * 0.5;
            topOffset = labelHeight;
        }
        else
        {
            if(rot === 90)
            {
                leftOffset = labelWidth;
                topOffset = (labelHeight * 0.5);
            }
            else if (rot === -90)
            {
                topOffset = (labelHeight * 0.5);
            }
            else if(rot > 0)
            {
                leftOffset = labelWidth;
                topOffset = labelHeight - (labelHeight * rot/180);
            }
            else
            {
                topOffset = labelHeight - (labelHeight * absRot/180);
            }
        }
        props.x -= leftOffset;
        props.y -= topOffset;
    },

/**
     * Returns the transformOrigin to use for an axis label based on the position of the axis
     * and the rotation of the label.
     *
     * @method _getTransformOrigin
     * @param {Number} rot The rotation (in degrees) of the label.
     * @return Array
     * @protected
     */
    _getTransformOrigin: function(rot)
    {
        var transformOrigin;
        if(rot === 0)
        {
            transformOrigin = [0, 0];
        }
        else
        {
            if(rot === 90)
            {
                transformOrigin = [1, 0.5];
            }
            else if (rot === -90)
            {
                transformOrigin = [0, 0.5];
            }
            else if(rot > 0)
            {
                transformOrigin = [1, 0.5];
            }
            else
            {
                transformOrigin = [0, 0.5];
            }
        }
        return transformOrigin;
    },

/**
     * Adjusts position for inner ticks.
     *
     * @method offsetNodeForTick
     * @param {Node} cb contentBox of the axis
     * @protected
     */
    offsetNodeForTick: function()
    {
    },

/**
     * Assigns a height based on the size of the contents.
     *
     * @method setCalculatedSize
     * @protected
     */
    setCalculatedSize: function()
    {
        var host = this,
            graphic = host.get("graphic"),
            styles = host.get("styles"),
            labelMargin = styles.label.margin,
            totalLabelSize = labelMargin.bottom + host._maxLabelSize,
            totalTitleSize = host._totalTitleSize,
            topTickOffset = this.get("topTickOffset"),
            ttl = Math.round(topTickOffset + totalLabelSize + totalTitleSize);
        if(this._explicitHeight)
        {
           ttl = this._explicitHeight;
        }
        host.set("calculatedHeight", ttl);
        graphic.set("y", ttl - topTickOffset);
    }
};
Y.TopAxisLayout = TopAxisLayout;

/**
 * An abstract class that provides the core functionality for draw a chart axis. Axis is used by the following classes:
 * <ul>
 *      <li>{{#crossLink "CategoryAxis"}}{{/crossLink}}</li>
 *      <li>{{#crossLink "NumericAxis"}}{{/crossLink}}</li>
 *      <li>{{#crossLink "StackedAxis"}}{{/crossLink}}</li>
 *      <li>{{#crossLink "TimeAxis"}}{{/crossLink}}</li>
 *  </ul>
 *
 * @class Axis
 * @extends Widget
 * @uses AxisBase
 * @uses TopAxisLayout
 * @uses RightAxisLayout
 * @uses BottomAxisLayout
 * @uses LeftAxisLayout
 * @constructor
 * @param {Object} config (optional) Configuration parameters.
 * @submodule axis
 */
Y.Axis = Y.Base.create("axis", Y.Widget, [Y.AxisBase], {
    /**
     * Calculates and returns a value based on the number of labels and the index of
     * the current label.
     *
     * @method getLabelByIndex
     * @param {Number} i Index of the label.
     * @param {Number} l Total number of labels.
     * @return String
     */
    getLabelByIndex: function(i, l)
    {
        var position = this.get("position"),
            direction = position === "left" || position === "right" ? "vertical" : "horizontal";
        return this._getLabelByIndex(i, l, direction);
    },

/**
     * @method bindUI
     * @private
     */
    bindUI: function()
    {
        this.after("dataReady", Y.bind(this._dataChangeHandler, this));
        this.after("dataUpdate", Y.bind(this._dataChangeHandler, this));
        this.after("stylesChange", this._updateHandler);
        this.after("overlapGraphChange", this._updateHandler);
        this.after("positionChange", this._positionChangeHandler);
        this.after("widthChange", this._handleSizeChange);
        this.after("heightChange", this._handleSizeChange);
        this.after("calculatedWidthChange", this._handleSizeChange);
        this.after("calculatedHeightChange", this._handleSizeChange);
    },
    /**
     * Storage for calculatedWidth value.
     *
     * @property _calculatedWidth
     * @type Number
     * @private
     */
    _calculatedWidth: 0,

/**
     * Storage for calculatedHeight value.
     *
     * @property _calculatedHeight
     * @type Number
     * @private
     */
    _calculatedHeight: 0,

/**
     * Handles change to the dataProvider
     *
     * @method _dataChangeHandler
     * @param {Object} e Event object
     * @private
     */
    _dataChangeHandler: function()
    {
        if(this.get("rendered"))
        {
            this._drawAxis();
        }
    },

/**
     * Handles change to the position attribute
     *
     * @method _positionChangeHandler
     * @param {Object} e Event object
     * @private
     */
    _positionChangeHandler: function(e)
    {
        this._updateGraphic(e.newVal);
        this._updateHandler();
    },

/**
     * Updates the the Graphic instance
     *
     * @method _updateGraphic
     * @param {String} position Position of axis
     * @private
     */
    _updateGraphic: function(position)
    {
        var graphic = this.get("graphic");
        if(position === "none")
        {
            if(graphic)
            {
                graphic.destroy();
            }
        }
        else
        {
            if(!graphic)
            {
                this._setCanvas();
            }
        }
    },

/**
     * Handles changes to axis.
     *
     * @method _updateHandler
     * @param {Object} e Event object
     * @private
     */
    _updateHandler: function()
    {
        if(this.get("rendered"))
        {
            this._drawAxis();
        }
    },

/**
     * @method renderUI
     * @private
     */
    renderUI: function()
    {
        this._updateGraphic(this.get("position"));
    },

/**
     * @method syncUI
     * @private
     */
    syncUI: function()
    {
        var layout = this._layout,
            defaultMargins,
            styles,
            label,
            title,
            i;
        if(layout)
        {
            defaultMargins = layout._getDefaultMargins();
            styles = this.get("styles");
            label = styles.label.margin;
            title =styles.title.margin;
            //need to defaultMargins method to the layout classes.
            for(i in defaultMargins)
            {
                if(defaultMargins.hasOwnProperty(i))
                {
                    label[i] = label[i] === undefined ? defaultMargins[i] : label[i];
                    title[i] = title[i] === undefined ? defaultMargins[i] : title[i];
                }
            }
        }
        this._drawAxis();
    },

/**
     * Creates a graphic instance to be used for the axis line and ticks.
     *
     * @method _setCanvas
     * @private
     */
    _setCanvas: function()
    {
        var cb = this.get("contentBox"),
            bb = this.get("boundingBox"),
            p = this.get("position"),
            pn = this._parentNode,
            w = this.get("width"),
            h = this.get("height");
        bb.setStyle("position", "absolute");
        bb.setStyle("zIndex", 2);
        w = w ? w + "px" : pn.getStyle("width");
        h = h ? h + "px" : pn.getStyle("height");
        if(p === "top" || p === "bottom")
        {
            cb.setStyle("width", w);
        }
        else
        {
            cb.setStyle("height", h);
        }
        cb.setStyle("position", "relative");
        cb.setStyle("left", "0px");
        cb.setStyle("top", "0px");
        this.set("graphic", new Y.Graphic());
        this.get("graphic").render(cb);
    },

/**
     * Gets the default value for the `styles` attribute. Overrides
     * base implementation.
     *
     * @method _getDefaultStyles
     * @return Object
     * @protected
     */
    _getDefaultStyles: function()
    {
        var axisstyles = {
            majorTicks: {
                display:"inside",
                length:4,
                color:"#dad8c9",
                weight:1,
                alpha:1
            },
            minorTicks: {
                display:"none",
                length:2,
                color:"#dad8c9",
                weight:1
            },
            line: {
                weight:1,
                color:"#dad8c9",
                alpha:1
            },
            majorUnit: {
                determinant:"count",
                count:11,
                distance:75
            },
            top: "0px",
            left: "0px",
            width: "100px",
            height: "100px",
            label: {
                color:"#808080",
                alpha: 1,
                fontSize:"85%",
                rotation: 0,
                offset: 0.5,
                margin: {
                    top: undefined,
                    right: undefined,
                    bottom: undefined,
                    left: undefined
                }
            },
            title: {
                color:"#808080",
                alpha: 1,
                fontSize:"85%",
                rotation: undefined,
                margin: {
                    top: undefined,
                    right: undefined,
                    bottom: undefined,
                    left: undefined
                }
            },
            hideOverlappingLabelTicks: false
        };

return Y.merge(Y.Renderer.prototype._getDefaultStyles(), axisstyles);
    },

/**
     * Updates the axis when the size changes.
     *
     * @method _handleSizeChange
     * @param {Object} e Event object.
     * @private
     */
    _handleSizeChange: function(e)
    {
        var attrName = e.attrName,
            pos = this.get("position"),
            vert = pos === "left" || pos === "right",
            cb = this.get("contentBox"),
            hor = pos === "bottom" || pos === "top";
        cb.setStyle("width", this.get("width"));
        cb.setStyle("height", this.get("height"));
        if((hor && attrName === "width") || (vert && attrName === "height"))
        {
            this._drawAxis();
        }
    },

/**
     * Maps key values to classes containing layout algorithms
     *
     * @property _layoutClasses
     * @type Object
     * @private
     */
    _layoutClasses:
    {
        top : TopAxisLayout,
        bottom: BottomAxisLayout,
        left: LeftAxisLayout,
        right : RightAxisLayout
    },

/**
     * Draws a line segment between 2 points
     *
     * @method drawLine
     * @param {Object} startPoint x and y coordinates for the start point of the line segment
     * @param {Object} endPoint x and y coordinates for the for the end point of the line segment
     * @param {Object} line styles (weight, color and alpha to be applied to the line segment)
     * @private
     */
    drawLine: function(path, startPoint, endPoint)
    {
        path.moveTo(startPoint.x, startPoint.y);
        path.lineTo(endPoint.x, endPoint.y);
    },

/**
     * Generates the properties necessary for rotating and positioning a text field.
     *
     * @method _getTextRotationProps
     * @param {Object} styles properties for the text field
     * @return Object
     * @private
     */
    _getTextRotationProps: function(styles)
    {
        if(styles.rotation === undefined)
        {
            switch(this.get("position"))
            {
                case "left" :
                    styles.rotation = -90;
                break;
                case "right" :
                    styles.rotation = 90;
                break;
                default :
                    styles.rotation = 0;
                break;
            }
        }
        var rot =  Math.min(90, Math.max(-90, styles.rotation)),
            absRot = Math.abs(rot),
            radCon = Math.PI/180,
            sinRadians = parseFloat(parseFloat(Math.sin(absRot * radCon)).toFixed(8)),
            cosRadians = parseFloat(parseFloat(Math.cos(absRot * radCon)).toFixed(8));
        return {
            rot: rot,
            absRot: absRot,
            radCon: radCon,
            sinRadians: sinRadians,
            cosRadians: cosRadians,
            textAlpha: styles.alpha
        };
    },

/**
     * Draws an axis.
     *
     * @method _drawAxis
     * @private
     */
    _drawAxis: function ()
    {
        if(this._drawing)
        {
            this._callLater = true;
            return;
        }
        this._drawing = true;
        this._callLater = false;
        if(this._layout)
        {
            var styles = this.get("styles"),
                line = styles.line,
                labelStyles = styles.label,
                majorTickStyles = styles.majorTicks,
                drawTicks = majorTickStyles.display !== "none",
                len,
                i = 0,
                layout = this._layout,
                layoutLength,
                lineStart,
                label,
                labelWidth,
                labelHeight,
                labelFunction = this.get("labelFunction"),
                labelFunctionScope = this.get("labelFunctionScope"),
                labelFormat = this.get("labelFormat"),
                graphic = this.get("graphic"),
                path = this.get("path"),
                tickPath,
                explicitlySized,
                position = this.get("position"),
                labelData,
                labelValues,
                point,
                points,
                firstPoint,
                lastPoint,
                firstLabel,
                lastLabel,
                staticCoord,
                dynamicCoord,
                edgeOffset,
                explicitLabels = this._labelValuesExplicitlySet ? this.get("labelValues") : null,
                direction = (position === "left" || position === "right") ? "vertical" : "horizontal";
            this._labelWidths = [];
            this._labelHeights = [];
            graphic.set("autoDraw", false);
            path.clear();
            path.set("stroke", {
                weight: line.weight,
                color: line.color,
                opacity: line.alpha
            });
            this._labelRotationProps = this._getTextRotationProps(labelStyles);
            this._labelRotationProps.transformOrigin = layout._getTransformOrigin(this._labelRotationProps.rot);
            layout.setTickOffsets.apply(this);
            layoutLength = this.getLength();

len = this.getTotalMajorUnits();
            edgeOffset = this.getEdgeOffset(len, layoutLength);
            this.set("edgeOffset", edgeOffset);
            lineStart = layout.getLineStart.apply(this);

if(direction === "vertical")
            {
                staticCoord = "x";
                dynamicCoord = "y";
            }
            else
            {
                staticCoord = "y";
                dynamicCoord = "x";
            }

labelData = this._getLabelData(
                lineStart[staticCoord],
                staticCoord,
                dynamicCoord,
                this.get("minimum"),
                this.get("maximum"),
                edgeOffset,
                layoutLength - edgeOffset - edgeOffset,
                len,
                explicitLabels
            );

points = labelData.points;
            labelValues = labelData.values;
            len = points.length;
            if(!this._labelValuesExplicitlySet)
            {
                this.set("labelValues", labelValues, {src: "internal"});
            }

//Don't create the last label or tick.
            if(this.get("hideFirstMajorUnit"))
            {
                firstPoint = points.shift();
                firstLabel = labelValues.shift();
                len = len - 1;
            }

//Don't create the last label or tick.
            if(this.get("hideLastMajorUnit"))
            {
                lastPoint = points.pop();
                lastLabel = labelValues.pop();
                len = len - 1;
            }

if(len < 1)
            {
                this._clearLabelCache();
            }
            else
            {
                this.drawLine(path, lineStart, this.getLineEnd(lineStart));
                if(drawTicks)
                {
                    tickPath = this.get("tickPath");
                    tickPath.clear();
                    tickPath.set("stroke", {
                        weight: majorTickStyles.weight,
                        color: majorTickStyles.color,
                        opacity: majorTickStyles.alpha
                    });
                    for(i = 0; i < len; i = i + 1)
                    {
                        point = points[i];
                        if(point)
                        {
                            layout.drawTick.apply(this, [tickPath, points[i], majorTickStyles]);
                        }
                    }
                }
                this._createLabelCache();
                this._maxLabelSize = 0;
                this._totalTitleSize = 0;
                this._titleSize = 0;
                this._setTitle();
                explicitlySized = layout.getExplicitlySized.apply(this, [styles]);
                for(i = 0; i < len; i = i + 1)
                {
                    point = points[i];
                    if(point)
                    {
                        label = this.getLabel(labelStyles);
                        this._labels.push(label);
                        this.get("appendLabelFunction")(label, labelFunction.apply(labelFunctionScope, [labelValues[i], labelFormat]));
                        labelWidth = Math.round(label.offsetWidth);
                        labelHeight = Math.round(label.offsetHeight);
                        if(!explicitlySized)
                        {
                            this._layout.updateMaxLabelSize.apply(this, [labelWidth, labelHeight]);
                        }
                        this._labelWidths.push(labelWidth);
                        this._labelHeights.push(labelHeight);
                    }
                }
                this._clearLabelCache();
                if(this.get("overlapGraph"))
                {
                   layout.offsetNodeForTick.apply(this, [this.get("contentBox")]);
                }
                layout.setCalculatedSize.apply(this);
                if(this._titleTextField)
                {
                    this._layout.positionTitle.apply(this, [this._titleTextField]);
                }
                len = this._labels.length;
                for(i = 0; i < len; ++i)
                {
                    layout.positionLabel.apply(this, [this.get("labels")[i], points[i], styles, i]);
                }
                if(firstPoint)
                {
                    points.unshift(firstPoint);
                }
                if(lastPoint)
                {
                    points.push(lastPoint);
                }
                if(firstLabel)
                {
                    labelValues.unshift(firstLabel);
                }
                if(lastLabel)
                {
                    labelValues.push(lastLabel);
                }
                this._tickPoints = points;
            }
        }
        this._drawing = false;
        if(this._callLater)
        {
            this._drawAxis();
        }
        else
        {
            this._updatePathElement();
            this.fire("axisRendered");
        }
    },

/**
     * Calculates and sets the total size of a title.
     *
     * @method _setTotalTitleSize
     * @param {Object} styles Properties for the title field.
     * @private
     */
    _setTotalTitleSize: function(styles)
    {
        var title = this._titleTextField,
            w = title.offsetWidth,
            h = title.offsetHeight,
            rot = this._titleRotationProps.rot,
            bounds,
            size,
            margin = styles.margin,
            position = this.get("position"),
            matrix = new Y.Matrix();
        matrix.rotate(rot);
        bounds = matrix.getContentRect(w, h);
        if(position === "left" || position === "right")
        {
            size = bounds.right - bounds.left;
            if(margin)
            {
                size += margin.left + margin.right;
            }
        }
        else
        {
            size = bounds.bottom - bounds.top;
            if(margin)
            {
                size += margin.top + margin.bottom;
            }
        }
        this._titleBounds = bounds;
        this._totalTitleSize = size;
    },

/**
     *  Updates path.
     *
     *  @method _updatePathElement
     *  @private
     */
    _updatePathElement: function()
    {
        var path = this._path,
            tickPath = this._tickPath,
            redrawGraphic = false,
            graphic = this.get("graphic");
        if(path)
        {
            redrawGraphic = true;
            path.end();
        }
        if(tickPath)
        {
            redrawGraphic = true;
            tickPath.end();
        }
        if(redrawGraphic)
        {
            graphic._redraw();
        }
    },

/**
     * Updates the content and style properties for a title field.
     *
     * @method _updateTitle
     * @private
     */
    _setTitle: function()
    {
        var i,
            styles,
            customStyles,
            title = this.get("title"),
            titleTextField = this._titleTextField,
            parentNode;
        if(title !== null && title !== undefined)
        {
            customStyles = {
                    rotation: "rotation",
                    margin: "margin",
                    alpha: "alpha"
            };
            styles = this.get("styles").title;
            if(!titleTextField)
            {
                titleTextField = DOCUMENT.createElement('span');
                titleTextField.style.display = "block";
                titleTextField.style.whiteSpace = "nowrap";
                titleTextField.setAttribute("class", "axisTitle");
                this.get("contentBox").append(titleTextField);
            }
            else if(!DOCUMENT.createElementNS)
            {
                if(titleTextField.style.filter)
                {
                    titleTextField.style.filter = null;
                }
            }
            titleTextField.style.position = "absolute";
            for(i in styles)
            {
                if(styles.hasOwnProperty(i) && !customStyles.hasOwnProperty(i))
                {
                    titleTextField.style[i] = styles[i];
                }
            }
            this.get("appendTitleFunction")(titleTextField, title);
            this._titleTextField = titleTextField;
            this._titleRotationProps = this._getTextRotationProps(styles);
            this._setTotalTitleSize(styles);
        }
        else if(titleTextField)
        {
            parentNode = titleTextField.parentNode;
            if(parentNode)
            {
                parentNode.removeChild(titleTextField);
            }
            this._titleTextField = null;
            this._totalTitleSize = 0;
        }
    },

/**
     * Creates or updates an axis label.
     *
     * @method getLabel
     * @param {Object} styles styles applied to label
     * @return HTMLElement
     * @private
     */
    getLabel: function(styles)
    {
        var i,
            label,
            labelCache = this._labelCache,
            customStyles = {
                rotation: "rotation",
                margin: "margin",
                alpha: "alpha"
            };
        if(labelCache && labelCache.length > 0)
        {
            label = labelCache.shift();
        }
        else
        {
            label = DOCUMENT.createElement("span");
            label.className = Y.Lang.trim([label.className, "axisLabel"].join(' '));
            this.get("contentBox").append(label);
        }
        if(!DOCUMENT.createElementNS)
        {
            if(label.style.filter)
            {
                label.style.filter = null;
            }
        }
        label.style.display = "block";
        label.style.whiteSpace = "nowrap";
        label.style.position = "absolute";
        for(i in styles)
        {
            if(styles.hasOwnProperty(i) && !customStyles.hasOwnProperty(i))
            {
                label.style[i] = styles[i];
            }
        }
        return label;
    },

/**
     * Creates a cache of labels that can be re-used when the axis redraws.
     *
     * @method _createLabelCache
     * @private
     */
    _createLabelCache: function()
    {
        if(this._labels)
        {
            while(this._labels.length > 0)
            {
                this._labelCache.push(this._labels.shift());
            }
        }
        else
        {
            this._clearLabelCache();
        }
        this._labels = [];
    },

/**
     * Removes axis labels from the dom and clears the label cache.
     *
     * @method _clearLabelCache
     * @private
     */
    _clearLabelCache: function()
    {
        if(this._labelCache)
        {
            var len = this._labelCache.length,
                i = 0,
                label;
            for(; i < len; ++i)
            {
                label = this._labelCache[i];
                this._removeChildren(label);
                Y.Event.purgeElement(label, true);
                label.parentNode.removeChild(label);
            }
        }
        this._labelCache = [];
    },

/**
     * Gets the end point of an axis.
     *
     * @method getLineEnd
     * @return Object
     * @private
     */
    getLineEnd: function(pt)
    {
        var w = this.get("width"),
            h = this.get("height"),
            pos = this.get("position");
        if(pos === "top" || pos === "bottom")
        {
            return {x:w, y:pt.y};
        }
        else
        {
            return {x:pt.x, y:h};
        }
    },

/**
     * Calcuates the width or height of an axis depending on its direction.
     *
     * @method getLength
     * @return Number
     * @private
     */
    getLength: function()
    {
        var l,
            style = this.get("styles"),
            padding = style.padding,
            w = this.get("width"),
            h = this.get("height"),
            pos = this.get("position");
        if(pos === "top" || pos === "bottom")
        {
            l = w - (padding.left + padding.right);
        }
        else
        {
            l = h - (padding.top + padding.bottom);
        }
        return l;
    },

/**
     * Gets the position of the first point on an axis.
     *
     * @method getFirstPoint
     * @param {Object} pt Object containing x and y coordinates.
     * @return Object
     * @private
     */
    getFirstPoint:function(pt)
    {
        var style = this.get("styles"),
            pos = this.get("position"),
            padding = style.padding,
            np = {x:pt.x, y:pt.y};
        if(pos === "top" || pos === "bottom")
        {
            np.x += padding.left + this.get("edgeOffset");
        }
        else
        {
            np.y += this.get("height") - (padding.top + this.get("edgeOffset"));
        }
        return np;
    },

/**
     * Rotates and positions a text field.
     *
     * @method _rotate
     * @param {HTMLElement} label text field to rotate and position
     * @param {Object} props properties to be applied to the text field.
     * @private
     */
    _rotate: function(label, props)
    {
        var rot = props.rot,
            x = props.x,
            y = props.y,
            filterString,
            textAlpha,
            matrix = new Y.Matrix(),
            transformOrigin = props.transformOrigin || [0, 0],
            offsetRect;
        if(DOCUMENT.createElementNS)
        {
            matrix.translate(x, y);
            matrix.rotate(rot);
            Y_DOM.setStyle(label, "transformOrigin", (transformOrigin[0] * 100) + "% " + (transformOrigin[1] * 100) + "%");
            Y_DOM.setStyle(label, "transform", matrix.toCSSText());
        }
        else
        {
            textAlpha = props.textAlpha;
            if(Y_Lang.isNumber(textAlpha) && textAlpha < 1 && textAlpha > -1 && !isNaN(textAlpha))
            {
                filterString = "progid:DXImageTransform.Microsoft.Alpha(Opacity=" + Math.round(textAlpha * 100) + ")";
            }
            if(rot !== 0)
            {
                //ms filters kind of, sort of uses a transformOrigin of 0, 0.
                //we'll translate the difference to create a true 0, 0 origin.
                matrix.rotate(rot);
                offsetRect = matrix.getContentRect(props.labelWidth, props.labelHeight);
                matrix.init();
                matrix.translate(offsetRect.left, offsetRect.top);
                matrix.translate(x, y);
                this._simulateRotateWithTransformOrigin(matrix, rot, transformOrigin, props.labelWidth, props.labelHeight);
                if(filterString)
                {
                    filterString += " ";
                }
                else
                {
                    filterString = "";
                }
                filterString += matrix.toFilterText();
                label.style.left = matrix.dx + "px";
                label.style.top = matrix.dy + "px";
            }
            else
            {
                label.style.left = x + "px";
                label.style.top = y + "px";
            }
            if(filterString)
            {
                label.style.filter = filterString;
            }
        }
    },

/**
     * Simulates a rotation with a specified transformOrigin.
     *
     * @method _simulateTransformOrigin
     * @param {Matrix} matrix Reference to a `Matrix` instance.
     * @param {Number} rot The rotation (in degrees) that will be performed on a matrix.
     * @param {Array} transformOrigin An array represeniting the origin in which to perform the transform. The first
     * index represents the x origin and the second index represents the y origin.
     * @param {Number} w The width of the object that will be transformed.
     * @param {Number} h The height of the object that will be transformed.
     * @private
     */
    _simulateRotateWithTransformOrigin: function(matrix, rot, transformOrigin, w, h)
    {
        var transformX = transformOrigin[0] * w,
            transformY = transformOrigin[1] * h;
        transformX = !isNaN(transformX) ? transformX : 0;
        transformY = !isNaN(transformY) ? transformY : 0;
        matrix.translate(transformX, transformY);
        matrix.rotate(rot);
        matrix.translate(-transformX, -transformY);
    },

/**
     * Returns the coordinates (top, right, bottom, left) for the bounding box of the last label.
     *
     * @method getMaxLabelBounds
     * @return Object
     */
    getMaxLabelBounds: function()
    {
        return this._getLabelBounds(this.getMaximumValue());
    },

/**
     * Returns the coordinates (top, right, bottom, left) for the bounding box of the first label.
     *
     * @method getMinLabelBounds
     * @return Object
     */
    getMinLabelBounds: function()
    {
        return this._getLabelBounds(this.getMinimumValue());
    },

/**
     * Returns the coordinates (top, right, bottom, left) for the bounding box of a label.
     *
     * @method _getLabelBounds
     * @param {String} Value of the label
     * @return Object
     * @private
     */
    _getLabelBounds: function(val)
    {
        var layout = this._layout,
            labelStyles = this.get("styles").label,
            matrix = new Y.Matrix(),
            label,
            props = this._getTextRotationProps(labelStyles);
            props.transformOrigin = layout._getTransformOrigin(props.rot);
        label = this.getLabel(labelStyles);
        this.get("appendLabelFunction")(label, this.get("labelFunction").apply(this, [val, this.get("labelFormat")]));
        props.labelWidth = label.offsetWidth;
        props.labelHeight = label.offsetHeight;
        this._removeChildren(label);
        Y.Event.purgeElement(label, true);
        label.parentNode.removeChild(label);
        props.x = 0;
        props.y = 0;
        layout._setRotationCoords(props);
        matrix.translate(props.x, props.y);
        this._simulateRotateWithTransformOrigin(matrix, props.rot, props.transformOrigin, props.labelWidth, props.labelHeight);
        return matrix.getContentRect(props.labelWidth, props.labelHeight);
    },

/**
     * Removes all DOM elements from an HTML element. Used to clear out labels during detruction
     * phase.
     *
     * @method _removeChildren
     * @private
     */
    _removeChildren: function(node)
    {
        if(node.hasChildNodes())
        {
            var child;
            while(node.firstChild)
            {
                child = node.firstChild;
                this._removeChildren(child);
                node.removeChild(child);
            }
        }
    },

/**
     * Destructor implementation Axis class. Removes all labels and the Graphic instance from the widget.
     *
     * @method destructor
     * @protected
     */
    destructor: function()
    {
        var cb = this.get("contentBox").getDOMNode(),
            labels = this.get("labels"),
            graphic = this.get("graphic"),
            label,
            len = labels ? labels.length : 0;
        if(len > 0)
        {
            while(labels.length > 0)
            {
                label = labels.shift();
                this._removeChildren(label);
                cb.removeChild(label);
                label = null;
            }
        }
        if(graphic)
        {
            graphic.destroy();
        }
    },

/**
     * Length in pixels of largest text bounding box. Used to calculate the height of the axis.
     *
     * @property maxLabelSize
     * @type Number
     * @protected
     */
    _maxLabelSize: 0,

/**
     * Updates the content of text field. This method writes a value into a text field using
     * `appendChild`. If the value is a `String`, it is converted to a `TextNode` first.
     *
     * @method _setText
     * @param label {HTMLElement} label to be updated
     * @param val {String} value with which to update the label
     * @private
     */
    _setText: function(textField, val)
    {
        textField.innerHTML = "";
        if(Y_Lang.isNumber(val))
        {
            val = val + "";
        }
        else if(!val)
        {
            val = "";
        }
        if(IS_STRING(val))
        {
            val = DOCUMENT.createTextNode(val);
        }
        textField.appendChild(val);
    },

/**
     * Returns the total number of majorUnits that will appear on an axis.
     *
     * @method getTotalMajorUnits
     * @return Number
     */
    getTotalMajorUnits: function()
    {
        var units,
            majorUnit = this.get("styles").majorUnit,
            len;
        if(majorUnit.determinant === "count")
        {
            units = majorUnit.count;
        }
        else if(majorUnit.determinant === "distance")
        {
            len = this.getLength();
            units = (len/majorUnit.distance) + 1;
        }
        return units;
    },

/**
     * Returns the distance between major units on an axis.
     *
     * @method getMajorUnitDistance
     * @param {Number} len Number of ticks
     * @param {Number} uiLen Size of the axis.
     * @param {Object} majorUnit Hash of properties used to determine the majorUnit
     * @return Number
     */
    getMajorUnitDistance: function(len, uiLen, majorUnit)
    {
        var dist;
        if(majorUnit.determinant === "count")
        {
            if(!this.get("calculateEdgeOffset"))
            {
                len = len - 1;
            }
            dist = uiLen/len;
        }
        else if(majorUnit.determinant === "distance")
        {
            dist = majorUnit.distance;
        }
        return dist;
    },

/**
     * Checks to see if data extends beyond the range of the axis. If so,
     * that data will need to be hidden. This method is internal, temporary and subject
     * to removal in the future.
     *
     * @method _hasDataOverflow
     * @protected
     * @return Boolean
     */
    _hasDataOverflow: function()
    {
        if(this.get("setMin") || this.get("setMax"))
        {
            return true;
        }
        return false;
    },

/**
     * Returns a string corresponding to the first label on an
     * axis.
     *
     * @method getMinimumValue
     * @return String
     */
    getMinimumValue: function()
    {
        return this.get("minimum");
    },

/**
     * Returns a string corresponding to the last label on an
     * axis.
     *
     * @method getMaximumValue
     * @return String
     */
    getMaximumValue: function()
    {
        return this.get("maximum");
    }
}, {
    ATTRS:
    {
        /**
         * When set, defines the width of a vertical axis instance. By default, vertical axes automatically size based
         * on their contents. When the width attribute is set, the axis will not calculate its width. When the width
         * attribute is explicitly set, axis labels will postion themselves off of the the inner edge of the axis and the
         * title, if present, will position itself off of the outer edge. If a specified width is less than the sum of
         * the axis' contents, excess content will overflow.
         *
         * @attribute width
         * @type Number
         */
        width: {
            lazyAdd: false,

getter: function()
            {
                if(this._explicitWidth)
                {
                    return this._explicitWidth;
                }
                return this._calculatedWidth;
            },

setter: function(val)
            {
                this._explicitWidth = val;
                return val;
            }
        },

/**
         * When set, defines the height of a horizontal axis instance. By default, horizontal axes automatically size based
         * on their contents. When the height attribute is set, the axis will not calculate its height. When the height
         * attribute is explicitly set, axis labels will postion themselves off of the the inner edge of the axis and the
         * title, if present, will position itself off of the outer edge. If a specified height is less than the sum of
         * the axis' contents, excess content will overflow.
         *
         * @attribute height
         * @type Number
         */
        height: {
            lazyAdd: false,

getter: function()
            {
                if(this._explicitHeight)
                {
                    return this._explicitHeight;
                }
                return this._calculatedHeight;
            },

setter: function(val)
            {
                this._explicitHeight = val;
                return val;
            }
        },

/**
         * Calculated value of an axis' width. By default, the value is used internally for vertical axes. If the `width`
         * attribute is explicitly set, this value will be ignored.
         *
         * @attribute calculatedWidth
         * @type Number
         * @private
         */
        calculatedWidth: {
            getter: function()
            {
                return this._calculatedWidth;
            },

setter: function(val)
            {
                this._calculatedWidth = val;
                return val;
            }
        },

/**
         * Calculated value of an axis' height. By default, the value is used internally for horizontal axes. If the `height`
         * attribute is explicitly set, this value will be ignored.
         *
         * @attribute calculatedHeight
         * @type Number
         * @private
         */
        calculatedHeight: {
            getter: function()
            {
                return this._calculatedHeight;
            },

setter: function(val)
            {
                this._calculatedHeight = val;
                return val;
            }
        },

/**
         * Difference between the first/last tick and edge of axis.
         *
         * @attribute edgeOffset
         * @type Number
         * @protected
         */
        edgeOffset:
        {
            value: 0
        },

/**
         * The graphic in which the axis line and ticks will be rendered.
         *
         * @attribute graphic
         * @type Graphic
         */
        graphic: {},

/**
         *  @attribute path
         *  @type Shape
         *  @readOnly
         *  @private
         */
        path: {
            readOnly: true,

getter: function()
            {
                if(!this._path)
                {
                    var graphic = this.get("graphic");
                    if(graphic)
                    {
                        this._path = graphic.addShape({type:"path"});
                    }
                }
                return this._path;
            }
        },

/**
         *  @attribute tickPath
         *  @type Shape
         *  @readOnly
         *  @private
         */
        tickPath: {
            readOnly: true,

getter: function()
            {
                if(!this._tickPath)
                {
                    var graphic = this.get("graphic");
                    if(graphic)
                    {
                        this._tickPath = graphic.addShape({type:"path"});
                    }
                }
                return this._tickPath;
            }
        },

/**
         * Contains the contents of the axis.
         *
         * @attribute node
         * @type HTMLElement
         */
        node: {},

/**
         * Direction of the axis.
         *
         * @attribute position
         * @type String
         */
        position: {
            lazyAdd: false,

setter: function(val)
            {
                var LayoutClass = this._layoutClasses[val];
                if(val && val !== "none")
                {
                    this._layout = new LayoutClass();
                }
                return val;
            }
        },

/**
         * Distance determined by the tick styles used to calculate the distance between the axis
         * line in relation to the top of the axis.
         *
         * @attribute topTickOffset
         * @type Number
         */
        topTickOffset: {
            value: 0
        },

/**
         * Distance determined by the tick styles used to calculate the distance between the axis
         * line in relation to the bottom of the axis.
         *
         * @attribute bottomTickOffset
         * @type Number
         */
        bottomTickOffset: {
            value: 0
        },

/**
         * Distance determined by the tick styles used to calculate the distance between the axis
         * line in relation to the left of the axis.
         *
         * @attribute leftTickOffset
         * @type Number
         */
        leftTickOffset: {
            value: 0
        },

/**
         * Distance determined by the tick styles used to calculate the distance between the axis
         * line in relation to the right side of the axis.
         *
         * @attribute rightTickOffset
         * @type Number
         */
        rightTickOffset: {
            value: 0
        },

/**
         * Collection of labels used to render the axis.
         *
         * @attribute labels
         * @type Array
         */
        labels: {
            readOnly: true,
            getter: function()
            {
                return this._labels;
            }
        },

/**
         * Collection of points used for placement of labels and ticks along the axis.
         *
         * @attribute tickPoints
         * @type Array
         */
        tickPoints: {
            readOnly: true,

getter: function()
            {
                if(this.get("position") === "none")
                {
                    return this.get("styles").majorUnit.count;
                }
                return this._tickPoints;
            }
        },

/**
         * Indicates whether the axis overlaps the graph. If an axis is the inner most axis on a given
         * position and the tick position is inside or cross, the axis will need to overlap the graph.
         *
         * @attribute overlapGraph
         * @type Boolean
         */
        overlapGraph: {
            value:true,

validator: function(val)
            {
                return Y_Lang.isBoolean(val);
            }
        },

/**
         * Length in pixels of largest text bounding box. Used to calculate the height of the axis.
         *
         * @attribute maxLabelSize
         * @type Number
         * @protected
         */
        maxLabelSize: {
            getter: function()
            {
                return this._maxLabelSize;
            },

setter: function(val)
            {
                this._maxLabelSize = val;
                return val;
            }
        },

/**
         *  Title for the axis. When specified, the title will display. The position of the title is determined by the axis position.
         *  <dl>
         *      <dt>top</dt><dd>Appears above the axis and it labels. The default rotation is 0.</dd>
         *      <dt>right</dt><dd>Appears to the right of the axis and its labels. The default rotation is 90.</dd>
         *      <dt>bottom</dt><dd>Appears below the axis and its labels. The default rotation is 0.</dd>
         *      <dt>left</dt><dd>Appears to the left of the axis and its labels. The default rotation is -90.</dd>
         *  </dl>
         *
         *  @attribute title
         *  @type String
         */
        title: {
            value: null
        },

/**
         * Function used to append an axis value to an axis label. This function has the following signature:
         *  <dl>
         *      <dt>textField</dt><dd>The axis label to be appended. (`HTMLElement`)</dd>
         *      <dt>val</dt><dd>The value to attach to the text field. This method will accept an `HTMLELement`
         *      or a `String`. This method does not use (`HTMLElement` | `String`)</dd>
         *  </dl>
         * The default method appends a value to the `HTMLElement` using the `appendChild` method. If the given
         * value is a `String`, the method will convert the the value to a `textNode` before appending to the
         * `HTMLElement`. This method will not convert an `HTMLString` to an `HTMLElement`.
         *
         * @attribute appendLabelFunction
         * @type Function
         */
        appendLabelFunction: {
            valueFn: function()
            {
                return this._setText;
            }
        },

/**
         * Function used to append a title value to the title object. This function has the following signature:
         *  <dl>
         *      <dt>textField</dt><dd>The title text field to be appended. (`HTMLElement`)</dd>
         *      <dt>val</dt><dd>The value to attach to the text field. This method will accept an `HTMLELement`
         *      or a `String`. This method does not use (`HTMLElement` | `String`)</dd>
         *  </dl>
         * The default method appends a value to the `HTMLElement` using the `appendChild` method. If the given
         * value is a `String`, the method will convert the the value to a `textNode` before appending to the
         * `HTMLElement` element. This method will not convert an `HTMLString` to an `HTMLElement`.
         *
         * @attribute appendTitleFunction
         * @type Function
         */
        appendTitleFunction: {
            valueFn: function()
            {
                return this._setText;
            }
        },

/**
         * An array containing the unformatted values of the axis labels. By default, TimeAxis, NumericAxis and
         * StackedAxis labelValues are determined by the majorUnit style. By default, CategoryAxis labels are
         * determined by the values of the dataProvider.
         * <p>When the labelValues attribute is explicitly set, the labelValues are dictated by the set value and
         * the position of ticks and labels are determined by where those values would fall on the axis. </p>
         *
         * @attribute labelValues
         * @type Array
         */
        labelValues: {
            lazyAdd: false,

setter: function(val)
            {
                var opts = arguments[2];
                if(!val || (opts && opts.src && opts.src === "internal"))
                {
                    this._labelValuesExplicitlySet = false;
                }
                else
                {
                    this._labelValuesExplicitlySet = true;
                }
                return val;
            }
        },

/**
         * Suppresses the creation of the the first visible label and tick.
         *
         * @attribute hideFirstMajorUnit
         * @type Boolean
         */
        hideFirstMajorUnit: {
            value: false
        },

/**
         * Suppresses the creation of the the last visible label and tick.
         *
         * @attribute hideLastMajorUnit
         * @type Boolean
         */
        hideLastMajorUnit: {
            value: false
        }

/**
         * Style properties used for drawing an axis. This attribute is inherited from `Renderer`. Below are the default values:
         *  <dl>
         *      <dt>majorTicks</dt><dd>Properties used for drawing ticks.
         *          <dl>
         *              <dt>display</dt><dd>Position of the tick. Possible values are `inside`, `outside`, `cross` and `none`.
         *              The default value is `inside`.</dd>
         *              <dt>length</dt><dd>The length (in pixels) of the tick. The default value is 4.</dd>
         *              <dt>color</dt><dd>The color of the tick. The default value is `#dad8c9`</dd>
         *              <dt>weight</dt><dd>Number indicating the width of the tick. The default value is 1.</dd>
         *              <dt>alpha</dt><dd>Number from 0 to 1 indicating the opacity of the tick. The default value is 1.</dd>
         *          </dl>
         *      </dd>
         *      <dt>line</dt><dd>Properties used for drawing the axis line.
         *          <dl>
         *              <dt>weight</dt><dd>Number indicating the width of the axis line. The default value is 1.</dd>
         *              <dt>color</dt><dd>The color of the axis line. The default value is `#dad8c9`.</dd>
         *              <dt>alpha</dt><dd>Number from 0 to 1 indicating the opacity of the tick. The default value is 1.</dd>
         *          </dl>
         *      </dd>
         *      <dt>majorUnit</dt><dd>Properties used to calculate the `majorUnit` for the axis.
         *          <dl>
         *              <dt>determinant</dt><dd>The algorithm used for calculating distance between ticks. The possible options are
         *              `count` and `distance`. If the `determinant` is `count`, the axis ticks will spaced so that a specified number
         *              of ticks appear on the axis. If the `determinant` is `distance`, the axis ticks will spaced out according to
         *              the specified distance. The default value is `count`.</dd>
         *              <dt>count</dt><dd>Number of ticks to appear on the axis when the `determinant` is `count`. The default value is 11.</dd>
         *              <dt>distance</dt><dd>The distance (in pixels) between ticks when the `determinant` is `distance`. The default
         *              value is 75.</dd>
         *          </dl>
         *      </dd>
         *      <dt>label</dt><dd>Properties and styles applied to the axis labels.
         *          <dl>
         *              <dt>color</dt><dd>The color of the labels. The default value is `#808080`.</dd>
         *              <dt>alpha</dt><dd>Number between 0 and 1 indicating the opacity of the labels. The default value is 1.</dd>
         *              <dt>fontSize</dt><dd>The font-size of the labels. The default value is 85%</dd>
         *              <dt>rotation</dt><dd>The rotation, in degrees (between -90 and 90) of the labels. The default value is 0.</dd>
         *              <dt>offset</td><dd>A number between 0 and 1 indicating the relationship of the label to a tick. For a horizontal axis
         *              label, a value of 0 will position the label's left side even to the the tick. A position of 1 would position the
         *              right side of the label with the tick. A position of 0.5 would center the label horizontally with the tick. For a
         *              vertical axis, a value of 0 would position the top of the label with the tick, a value of 1 would position the bottom
         *              of the label with the tick and a value 0 would center the label vertically with the tick. The default value is 0.5.</dd>
         *              <dt>margin</dt><dd>The distance between the label and the axis/tick. Depending on the position of the `Axis`,
         *              only one of the properties used.
         *                  <dl>
         *                      <dt>top</dt><dd>Pixel value used for an axis with a `position` of `bottom`. The default value is 4.</dd>
         *                      <dt>right</dt><dd>Pixel value used for an axis with a `position` of `left`. The default value is 4.</dd>
         *                      <dt>bottom</dt><dd>Pixel value used for an axis with a `position` of `top`. The default value is 4.</dd>
         *                      <dt>left</dt><dd>Pixel value used for an axis with a `position` of `right`. The default value is 4.</dd>
         *                  </dl>
         *              </dd>
         *          </dl>
         *      </dd>
         *  </dl>
         *
         * @attribute styles
         * @type Object
         */
    }
});
Y.AxisType = Y.Base.create("baseAxis", Y.Axis, [], {});

}, '3.17.2', {"requires": ["dom", "widget", "widget-position", "widget-stack", "graphics", "axis-base"]});

${this.title}

Code Editor : axis-debug.js