Revert all the Sparkline optimizations; somehow they break something with :hidden...
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Sun, 21 Jun 2015 14:05:27 +0000 (16:05 +0200)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Sun, 21 Jun 2015 14:05:27 +0000 (16:05 +0200)
www/js/jquery.sparkline.js

index c59e8c9..721e03b 100644 (file)
 *    <p>Sparkline: <span class="sparkline" values="1,4,6,6,8,5,3,5"></span></p>
 *    $('.sparkline').sparkline();
 *
+* For line charts, x values can also be specified:
+*   <p>Sparkline: <span class="sparkline">1:1,2.7:4,3.4:6,5:6,6:8,8.7:5,9:3,10:5</span></p>
+*    $('#sparkline1').sparkline([ [1,1], [2.7,4], [3.4,6], [5,6], [6,8], [8.7,5], [9,3], [10,5] ])
+*
 * By default, options should be passed in as teh second argument to the sparkline function:
 *   $('.sparkline').sparkline([1,2,3,4], {type: 'bar'})
 *
+* Options can also be set by passing them on the tag itself.  This feature is disabled by default though
+* as there's a slight performance overhead:
+*   $('.sparkline').sparkline([1,2,3,4], {enableTagOptions: true})
+*   <p>Sparkline: <span class="sparkline" sparkType="bar" sparkBarColor="red">loading</span></p>
+* Prefix all options supplied as tag attribute with "spark" (configurable by setting tagOptionPrefix)
+*
 * Supported options:
 *   lineColor - Color of the line used for the chart
 *   fillColor - Color used to fill in the chart - Set to '' or false for a transparent chart
 *   chartRangeClip - Clip out of range values to the max/min specified by chartRangeMin and chartRangeMax
 *   chartRangeMinX - Specify the minimum value to use for the X range of the chart - Defaults to the minimum value supplied
 *   chartRangeMaxX - Specify the maximum value to use for the X range of the chart - Defaults to the maximum value supplied
+*   composite - If true then don't erase any existing chart attached to the tag, but draw
+*           another chart over the top - Note that width and height are ignored if an
+*           existing chart is detected.
 *   tagValuesAttribute - Name of tag attribute to check for data values - Defaults to 'values'
+*   enableTagOptions - Whether to check tags for sparkline options
+*   tagOptionPrefix - Prefix used for options supplied as tag attributes - Defaults to 'spark'
 *   disableHiddenCheck - If set to true, then the plugin will assume that charts will never be drawn into a
 *           hidden dom element, avoding a browser reflow
 *   disableInteraction - If set to true then all mouseover/click interaction behaviour will be disabled,
 *   tooltipFormatter  - Optional callback that allows you to override the HTML displayed in the tooltip
 *       callback is given arguments of (sparkline, options, fields)
 *   tooltipChartTitle - If specified then the tooltip uses the string specified by this setting as a title
+*   tooltipFormat - A format string or SPFormat object  (or an array thereof for multiple entries)
+*       to control the format of the tooltip
 *   tooltipPrefix - A string to prepend to each field displayed in a tooltip
 *   tooltipSuffix - A string to append to each field displayed in a tooltip
 *   tooltipSkipNull - If true then null values will not have a tooltip displayed (defaults to true)
 *   numberDecimalMark - Character to use for the decimal point when formatting numbers - Defaults to "."
 *   numberDigitGroupCount - Number of digits between group separator - Defaults to 3
 *
-* There is 1 type of sparkline, selected by supplying a "type" option of 'bar' (default),
+* There are 7 types of sparkline, selected by supplying a "type" option of 'line' (default),
+* 'bar', 'tristate', 'bullet', 'discrete', 'pie' or 'box'
+*    line - Line chart.  Options:
+*       spotColor - Set to '' to not end each line in a circular spot
+*       minSpotColor - If set, color of spot at minimum value
+*       maxSpotColor - If set, color of spot at maximum value
+*       spotRadius - Radius in pixels
+*       lineWidth - Width of line in pixels
+*       normalRangeMin
+*       normalRangeMax - If set draws a filled horizontal bar between these two values marking the "normal"
+*                      or expected range of values
+*       normalRangeColor - Color to use for the above bar
+*       drawNormalOnTop - Draw the normal range above the chart fill color if true
+*       defaultPixelsPerValue - Defaults to 3 pixels of width for each value in the chart
+*       highlightSpotColor - The color to use for drawing a highlight spot on mouseover - Set to null to disable
+*       highlightLineColor - The color to use for drawing a highlight line on mouseover - Set to null to disable
+*       valueSpots - Specify which points to draw spots on, and in which color.  Accepts a range map
 *
 *   bar - Bar chart.  Options:
 *       barColor - Color of bars for postive values
 *       zeroColor - Color of bars with zero values
 *       nullColor - Color of bars with null values - Defaults to omitting the bar entirely
 *       barWidth - Width of bars in pixels
+*       colorMap - Optional mappnig of values to colors to override the *BarColor values above
+*                  can be an Array of values to control the color of individual bars or a range map
+*                  to specify colors for individual ranges of values
 *       barSpacing - Gap between bars in pixels
 *       zeroAxis - Centers the y-axis around zero if true
 *
+*   tristate - Charts values of win (>0), lose (<0) or draw (=0)
+*       posBarColor - Color of win values
+*       negBarColor - Color of lose values
+*       zeroBarColor - Color of draw values
+*       barWidth - Width of bars in pixels
+*       barSpacing - Gap between bars in pixels
+*       colorMap - Optional mappnig of values to colors to override the *BarColor values above
+*                  can be an Array of values to control the color of individual bars or a range map
+*                  to specify colors for individual ranges of values
+*
+*   discrete - Options:
+*       lineHeight - Height of each line in pixels - Defaults to 30% of the graph height
+*       thesholdValue - Values less than this value will be drawn using thresholdColor instead of lineColor
+*       thresholdColor
+*
+*   bullet - Values for bullet graphs msut be in the order: target, performance, range1, range2, range3, ...
+*       options:
+*       targetColor - The color of the vertical target marker
+*       targetWidth - The width of the target marker in pixels
+*       performanceColor - The color of the performance measure horizontal bar
+*       rangeColors - Colors to use for each qualitative range background color
 *
+*   pie - Pie chart. Options:
+*       sliceColors - An array of colors to use for pie slices
+*       offset - Angle in degrees to offset the first slice - Try -90 or +90
+*       borderWidth - Width of border to draw around the pie chart, in pixels - Defaults to 0 (no border)
+*       borderColor - Color to use for the pie chart border - Defaults to #000
 *
+*   box - Box plot. Options:
+*       raw - Set to true to supply pre-computed plot points as values
+*             values should be: low_outlier, low_whisker, q1, median, q3, high_whisker, high_outlier
+*             When set to false you can supply any number of values and the box plot will
+*             be computed for you.  Default is false.
+*       showOutliers - Set to true (default) to display outliers as circles
+*       outlierIQR - Interquartile range used to determine outliers.  Default 1.5
+*       boxLineColor - Outline color of the box
+*       boxFillColor - Fill color for the box
+*       whiskerColor - Line color used for whiskers
+*       outlierLineColor - Outline color of outlier circles
+*       outlierFillColor - Fill color of the outlier circles
+*       spotRadius - Radius of outlier circles
+*       medianColor - Line color of the median line
+*       target - Draw a target cross hair at the supplied value (default undefined)
 *
 *
 *
 *   Examples:
 *   $('#sparkline1').sparkline(myvalues, { lineColor: '#f00', fillColor: false });
 *   $('.barsparks').sparkline('html', { type:'bar', height:'40px', barWidth:5 });
+*   $('#tristate').sparkline([1,1,-1,1,0,0,-1], { type:'tristate' }):
+*   $('#discrete').sparkline([1,3,4,5,5,3,4,5], { type:'discrete' });
+*   $('#bullet').sparkline([10,12,12,9,7], { type:'bullet' });
+*   $('#pie').sparkline([1,1,2], { type:'pie' });
 */
 
 /*jslint regexp: true, browser: true, jquery: true, white: true, nomen: false, plusplus: false, maxerr: 500, indent: 4 */
     'use strict';
 
     var UNSET_OPTION = {},
-        getDefaults, createClass, clipval, quartile, normalizeValue, normalizeValues,
-        remove, isNumber, all, sum, addCSS, ensureArray, formatNumber,
+        getDefaults, createClass, SPFormat, clipval, quartile, normalizeValue, normalizeValues,
+        remove, isNumber, all, sum, addCSS, ensureArray, formatNumber, RangeMap,
         MouseHandler, Tooltip, barHighlightMixin,
-        bar, defaultStyles, initStyles,
-        VShape, VCanvas_base, VCanvas_canvas, pending, shapeCount = 0;
+        line, bar, tristate, discrete, bullet, pie, box, defaultStyles, initStyles,
+        VShape, VCanvas_base, VCanvas_canvas, VCanvas_vml, pending, shapeCount = 0;
 
     /**
      * Default configuration settings
         return {
             // Settings common to most/all chart types
             common: {
-                type: 'bar',
+                type: 'line',
                 lineColor: '#00f',
                 fillColor: '#cdf',
                 defaultPixelsPerValue: 3,
                 width: 'auto',
                 height: 'auto',
+                composite: false,
                 tagValuesAttribute: 'values',
+                tagOptionsPrefix: 'spark',
+                enableTagOptions: false,
                 enableHighlight: true,
                 highlightLighten: 1.4,
                 tooltipSkipNull: true,
                 disableTooltips: false,
                 disableInteraction: false
             },
+            // Defaults for line charts
+            line: {
+                spotColor: '#f80',
+                highlightSpotColor: '#5f5',
+                highlightLineColor: '#f22',
+                spotRadius: 1.5,
+                minSpotColor: '#f80',
+                maxSpotColor: '#f80',
+                lineWidth: 1,
+                normalRangeMin: undefined,
+                normalRangeMax: undefined,
+                normalRangeColor: '#ccc',
+                drawNormalOnTop: false,
+                chartRangeMin: undefined,
+                chartRangeMax: undefined,
+                chartRangeMinX: undefined,
+                chartRangeMaxX: undefined,
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{prefix}}{{y}}{{suffix}}')
+            },
             // Defaults for bar charts
             bar: {
                 barColor: '#3366cc',
                 negBarColor: '#f44',
+                stackedBarColor: ['#3366cc', '#dc3912', '#ff9900', '#109618', '#66aa00',
+                    '#dd4477', '#0099c6', '#990099'],
                 zeroColor: undefined,
                 nullColor: undefined,
                 zeroAxis: true,
                 chartRangeMax: undefined,
                 chartRangeMin: undefined,
                 chartRangeClip: false,
-                tooltipFormat: '',
+                colorMap: undefined,
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{prefix}}{{value}}{{suffix}}')
+            },
+            // Defaults for tristate charts
+            tristate: {
+                barWidth: 4,
+                barSpacing: 1,
+                posBarColor: '#6f6',
+                negBarColor: '#f44',
+                zeroBarColor: '#999',
+                colorMap: {},
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{value:map}}'),
+                tooltipValueLookups: { map: { '-1': 'Loss', '0': 'Draw', '1': 'Win' } }
+            },
+            // Defaults for discrete charts
+            discrete: {
+                lineHeight: 'auto',
+                thresholdColor: undefined,
+                thresholdValue: 0,
+                chartRangeMax: undefined,
+                chartRangeMin: undefined,
+                chartRangeClip: false,
+                tooltipFormat: new SPFormat('{{prefix}}{{value}}{{suffix}}')
+            },
+            // Defaults for bullet charts
+            bullet: {
+                targetColor: '#f33',
+                targetWidth: 3, // width of the target bar in pixels
+                performanceColor: '#33f',
+                rangeColors: ['#d3dafe', '#a8b6ff', '#7f94ff'],
+                base: undefined, // set this to a number to change the base start number
+                tooltipFormat: new SPFormat('{{fieldkey:fields}} - {{value}}'),
+                tooltipValueLookups: { fields: {r: 'Range', p: 'Performance', t: 'Target'} }
             },
+            // Defaults for pie charts
+            pie: {
+                offset: 0,
+                sliceColors: ['#3366cc', '#dc3912', '#ff9900', '#109618', '#66aa00',
+                    '#dd4477', '#0099c6', '#990099'],
+                borderWidth: 0,
+                borderColor: '#000',
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{value}} ({{percent.1}}%)')
+            },
+            // Defaults for box plots
+            box: {
+                raw: false,
+                boxLineColor: '#000',
+                boxFillColor: '#cdf',
+                whiskerColor: '#000',
+                outlierLineColor: '#333',
+                outlierFillColor: '#fff',
+                medianColor: '#f00',
+                showOutliers: true,
+                outlierIQR: 1.5,
+                spotRadius: 1.5,
+                target: undefined,
+                targetColor: '#4a2',
+                chartRangeMax: undefined,
+                chartRangeMin: undefined,
+                tooltipFormat: new SPFormat('{{field:fields}}: {{value}}'),
+                tooltipFormatFieldlistKey: 'field',
+                tooltipValueLookups: { fields: { lq: 'Lower Quartile', med: 'Median',
+                    uq: 'Upper Quartile', lo: 'Left Outlier', ro: 'Right Outlier',
+                    lw: 'Left Whisker', rw: 'Right Whisker'} }
+            }
         };
     };
 
         return Class;
     };
 
+    /**
+     * Wraps a format string for tooltips
+     * {{x}}
+     * {{x.2}
+     * {{x:months}}
+     */
+    $.SPFormatClass = SPFormat = createClass({
+        fre: /\{\{([\w.]+?)(:(.+?))?\}\}/g,
+        precre: /(\w+)\.(\d+)/,
+
+        init: function (format, fclass) {
+            this.format = format;
+            this.fclass = fclass;
+        },
+
+        render: function (fieldset, lookups, options) {
+            var self = this,
+                fields = fieldset,
+                match, token, lookupkey, fieldvalue, prec;
+            return this.format.replace(this.fre, function () {
+                var lookup;
+                token = arguments[1];
+                lookupkey = arguments[3];
+                match = self.precre.exec(token);
+                if (match) {
+                    prec = match[2];
+                    token = match[1];
+                } else {
+                    prec = false;
+                }
+                fieldvalue = fields[token];
+                if (fieldvalue === undefined) {
+                    return '';
+                }
+                if (lookupkey && lookups && lookups[lookupkey]) {
+                    lookup = lookups[lookupkey];
+                    if (lookup.get) { // RangeMap
+                        return lookups[lookupkey].get(fieldvalue) || fieldvalue;
+                    } else {
+                        return lookups[lookupkey][fieldvalue] || fieldvalue;
+                    }
+                }
+                if (isNumber(fieldvalue)) {
+                    if (options.get('numberFormatter')) {
+                        fieldvalue = options.get('numberFormatter')(fieldvalue);
+                    } else {
+                        fieldvalue = formatNumber(fieldvalue, prec,
+                            options.get('numberDigitGroupCount'),
+                            options.get('numberDigitGroupSep'),
+                            options.get('numberDecimalMark'));
+                    }
+                }
+                return fieldvalue;
+            });
+        }
+    });
+
+    // convience method to avoid needing the new operator
+    $.spformat = function(format, fclass) {
+        return new SPFormat(format, fclass);
+    };
+
     clipval = function (val, min, max) {
         if (val < min) {
             return min;
                 $.fn.sparkline.canvas = function(width, height, target, interact) {
                     return new VCanvas_canvas(width, height, target, interact);
                 };
+            } else if (document.namespaces && !document.namespaces.v) {
+                // VML is available
+                document.namespaces.add('v', 'urn:schemas-microsoft-com:vml', '#default#VML');
+                $.fn.sparkline.canvas = function(width, height, target, interact) {
+                    return new VCanvas_vml(width, height, target);
+                };
             } else {
                 // Neither Canvas nor VML are available
                 $.fn.sparkline.canvas = false;
         }
     };
 
+    $.RangeMapClass = RangeMap = createClass({
+        init: function (map) {
+            var key, range, rangelist = [];
+            for (key in map) {
+                if (map.hasOwnProperty(key) && typeof key === 'string' && key.indexOf(':') > -1) {
+                    range = key.split(':');
+                    range[0] = range[0].length === 0 ? -Infinity : parseFloat(range[0]);
+                    range[1] = range[1].length === 0 ? Infinity : parseFloat(range[1]);
+                    range[2] = map[key];
+                    rangelist.push(range);
+                }
+            }
+            this.map = map;
+            this.rangelist = rangelist || false;
+        },
+
+        get: function (value) {
+            var rangelist = this.rangelist,
+                i, range, result;
+            if ((result = this.map[value]) !== undefined) {
+                return result;
+            }
+            if (rangelist) {
+                for (i = rangelist.length; i--;) {
+                    range = rangelist[i];
+                    if (range[0] <= value && range[1] >= value) {
+                        return range[2];
+                    }
+                }
+            }
+            return undefined;
+        }
+    });
+
+    // Convenience function
+    $.range_map = function(map) {
+        return new RangeMap(map);
+    };
+
     MouseHandler = createClass({
         init: function (el, options) {
             var $el = $(el);
 
                 width = options.get('width') === 'auto' ? values.length * options.get('defaultPixelsPerValue') : options.get('width');
                 if (options.get('height') === 'auto') {
+                    if (!options.get('composite') || !$.data(this, '_jqs_vcanvas')) {
                         // must be a better way to get the line height
                         tmp = document.createElement('span');
                         tmp.innerHTML = 'a';
                         height = $(tmp).innerHeight() || $(tmp).height();
                         $(tmp).remove();
                         tmp = null;
+                    }
                 } else {
                     height = options.get('height');
                 }
                     if (!mhandler) {
                         mhandler = new MouseHandler(this, options);
                         $.data(this, '_jqs_mhandler', mhandler);
-                    } else {
+                    } else if (!options.get('composite')) {
                         mhandler.reset();
                     }
                 } else {
                     mhandler = false;
                 }
 
+                if (options.get('composite') && !$.data(this, '_jqs_vcanvas')) {
+                    if (!$.data(this, '_jqs_errnotify')) {
+                        alert('Attempted to attach a composite sparkline to an element with no existing sparkline');
+                        $.data(this, '_jqs_errnotify', true);
+                    }
+                    return;
+                }
+
                 sp = new $.fn.sparkline[options.get('type')](this, values, options, width, height);
 
                 sp.render();
                 }
             };
             if (($(this).html() && !options.get('disableHiddenCheck') && $(this).is(':hidden')) || !$(this).parents('body').length) {
-                if ($.data(this, '_jqs_pending')) {
+                if (!options.get('composite') && $.data(this, '_jqs_pending')) {
                     // remove any existing references to the element
                     for (i = pending.length; i; i--) {
                         if (pending[i - 1][0] == this) {
      */
     $.fn.sparkline.options = createClass({
         init: function (tag, userOptions) {
-            var extendedOptions, defaults, base;
+            var extendedOptions, defaults, base, tagOptionType;
             this.userOptions = userOptions = userOptions || {};
             this.tag = tag;
             this.tagValCache = {};
             defaults = $.fn.sparkline.defaults;
             base = defaults.common;
+            this.tagOptionsPrefix = userOptions.enableTagOptions && (userOptions.tagOptionsPrefix || base.tagOptionsPrefix);
 
-            extendedOptions = defaults[userOptions.type || base.type];
+            tagOptionType = this.getTagSetting('type');
+            if (tagOptionType === UNSET_OPTION) {
+                extendedOptions = defaults[userOptions.type || base.type];
+            } else {
+                extendedOptions = defaults[tagOptionType];
+            }
             this.mergedOptions = $.extend({}, base, extendedOptions, userOptions);
         },
 
 
+        getTagSetting: function (key) {
+            var prefix = this.tagOptionsPrefix,
+                val, i, pairs, keyval;
+            if (prefix === false || prefix === undefined) {
+                return UNSET_OPTION;
+            }
+            if (this.tagValCache.hasOwnProperty(key)) {
+                val = this.tagValCache.key;
+            } else {
+                val = this.tag.getAttribute(prefix + key);
+                if (val === undefined || val === null) {
+                    val = UNSET_OPTION;
+                } else if (val.substr(0, 1) === '[') {
+                    val = val.substr(1, val.length - 2).split(',');
+                    for (i = val.length; i--;) {
+                        val[i] = normalizeValue(val[i].replace(/(^\s*)|(\s*$)/g, ''));
+                    }
+                } else if (val.substr(0, 1) === '{') {
+                    pairs = val.substr(1, val.length - 2).split(',');
+                    val = {};
+                    for (i = pairs.length; i--;) {
+                        keyval = pairs[i].split(':', 2);
+                        val[keyval[0].replace(/(^\s*)|(\s*$)/g, '')] = normalizeValue(keyval[1].replace(/(^\s*)|(\s*$)/g, ''));
+                    }
+                } else {
+                    val = normalizeValue(val);
+                }
+                this.tagValCache.key = val;
+            }
+            return val;
+        },
+
         get: function (key, defaultval) {
-            var result;
+            var tagOption = this.getTagSetting(key),
+                result;
+            if (tagOption !== UNSET_OPTION) {
+                return tagOption;
+            }
             return (result = this.mergedOptions[key]) === undefined ? defaultval : result;
         }
     });
          */
         initTarget: function () {
             var interactive = !this.options.get('disableInteraction');
-            if (!(this.target = this.$el.simpledraw(this.width, this.height, false, interactive))) {
+            if (!(this.target = this.$el.simpledraw(this.width, this.height, this.options.get('composite'), interactive))) {
                 this.disabled = true;
             } else {
                 this.canvasWidth = this.target.pixelWidth;
             fieldlen = fields.length;
             for (i = 0; i < formatlen; i++) {
                 format = formats[i];
+                if (typeof format === 'string') {
+                    format = new SPFormat(format);
+                }
                 fclass = format.fclass || 'jqsfield';
                 for (j = 0; j < fieldlen; j++) {
                     if (!fields[j].isNull || !options.get('tooltipSkipNull')) {
         }
     };
 
+    /**
+     * Line charts
+     */
+    $.fn.sparkline.line = line = createClass($.fn.sparkline._base, {
+        type: 'line',
+
+        init: function (el, values, options, width, height) {
+            line._super.init.call(this, el, values, options, width, height);
+            this.vertices = [];
+            this.regionMap = [];
+            this.xvalues = [];
+            this.yvalues = [];
+            this.yminmax = [];
+            this.hightlightSpotId = null;
+            this.lastShapeId = null;
+            this.initTarget();
+        },
+
+        getRegion: function (el, x, y) {
+            var i,
+                regionMap = this.regionMap; // maps regions to value positions
+            for (i = regionMap.length; i--;) {
+                if (regionMap[i] !== null && x >= regionMap[i][0] && x <= regionMap[i][1]) {
+                    return regionMap[i][2];
+                }
+            }
+            return undefined;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.yvalues[currentRegion] === null,
+                x: this.xvalues[currentRegion],
+                y: this.yvalues[currentRegion],
+                color: this.options.get('lineColor'),
+                fillColor: this.options.get('fillColor'),
+                offset: currentRegion
+            };
+        },
+
+        renderHighlight: function () {
+            var currentRegion = this.currentRegion,
+                target = this.target,
+                vertex = this.vertices[currentRegion],
+                options = this.options,
+                spotRadius = options.get('spotRadius'),
+                highlightSpotColor = options.get('highlightSpotColor'),
+                highlightLineColor = options.get('highlightLineColor'),
+                highlightSpot, highlightLine;
+
+            if (!vertex) {
+                return;
+            }
+            if (spotRadius && highlightSpotColor) {
+                highlightSpot = target.drawCircle(vertex[0], vertex[1],
+                    spotRadius, undefined, highlightSpotColor);
+                this.highlightSpotId = highlightSpot.id;
+                target.insertAfterShape(this.lastShapeId, highlightSpot);
+            }
+            if (highlightLineColor) {
+                highlightLine = target.drawLine(vertex[0], this.canvasTop, vertex[0],
+                    this.canvasTop + this.canvasHeight, highlightLineColor);
+                this.highlightLineId = highlightLine.id;
+                target.insertAfterShape(this.lastShapeId, highlightLine);
+            }
+        },
+
+        removeHighlight: function () {
+            var target = this.target;
+            if (this.highlightSpotId) {
+                target.removeShapeId(this.highlightSpotId);
+                this.highlightSpotId = null;
+            }
+            if (this.highlightLineId) {
+                target.removeShapeId(this.highlightLineId);
+                this.highlightLineId = null;
+            }
+        },
+
+        scanValues: function () {
+            var values = this.values,
+                valcount = values.length,
+                xvalues = this.xvalues,
+                yvalues = this.yvalues,
+                yminmax = this.yminmax,
+                i, val, isStr, isArray, sp;
+            for (i = 0; i < valcount; i++) {
+                val = values[i];
+                isStr = typeof(values[i]) === 'string';
+                isArray = typeof(values[i]) === 'object' && values[i] instanceof Array;
+                sp = isStr && values[i].split(':');
+                if (isStr && sp.length === 2) { // x:y
+                    xvalues.push(Number(sp[0]));
+                    yvalues.push(Number(sp[1]));
+                    yminmax.push(Number(sp[1]));
+                } else if (isArray) {
+                    xvalues.push(val[0]);
+                    yvalues.push(val[1]);
+                    yminmax.push(val[1]);
+                } else {
+                    xvalues.push(i);
+                    if (values[i] === null || values[i] === 'null') {
+                        yvalues.push(null);
+                    } else {
+                        yvalues.push(Number(val));
+                        yminmax.push(Number(val));
+                    }
+                }
+            }
+            if (this.options.get('xvalues')) {
+                xvalues = this.options.get('xvalues');
+            }
+
+            this.maxy = this.maxyorg = Math.max.apply(Math, yminmax);
+            this.miny = this.minyorg = Math.min.apply(Math, yminmax);
+
+            this.maxx = Math.max.apply(Math, xvalues);
+            this.minx = Math.min.apply(Math, xvalues);
+
+            this.xvalues = xvalues;
+            this.yvalues = yvalues;
+            this.yminmax = yminmax;
+
+        },
+
+        processRangeOptions: function () {
+            var options = this.options,
+                normalRangeMin = options.get('normalRangeMin'),
+                normalRangeMax = options.get('normalRangeMax');
+
+            if (normalRangeMin !== undefined) {
+                if (normalRangeMin < this.miny) {
+                    this.miny = normalRangeMin;
+                }
+                if (normalRangeMax > this.maxy) {
+                    this.maxy = normalRangeMax;
+                }
+            }
+            if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < this.miny)) {
+                this.miny = options.get('chartRangeMin');
+            }
+            if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > this.maxy)) {
+                this.maxy = options.get('chartRangeMax');
+            }
+            if (options.get('chartRangeMinX') !== undefined && (options.get('chartRangeClipX') || options.get('chartRangeMinX') < this.minx)) {
+                this.minx = options.get('chartRangeMinX');
+            }
+            if (options.get('chartRangeMaxX') !== undefined && (options.get('chartRangeClipX') || options.get('chartRangeMaxX') > this.maxx)) {
+                this.maxx = options.get('chartRangeMaxX');
+            }
+
+        },
+
+        drawNormalRange: function (canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey) {
+            var normalRangeMin = this.options.get('normalRangeMin'),
+                normalRangeMax = this.options.get('normalRangeMax'),
+                ytop = canvasTop + Math.round(canvasHeight - (canvasHeight * ((normalRangeMax - this.miny) / rangey))),
+                height = Math.round((canvasHeight * (normalRangeMax - normalRangeMin)) / rangey);
+            this.target.drawRect(canvasLeft, ytop, canvasWidth, height, undefined, this.options.get('normalRangeColor')).append();
+        },
+
+        render: function () {
+            var options = this.options,
+                target = this.target,
+                canvasWidth = this.canvasWidth,
+                canvasHeight = this.canvasHeight,
+                vertices = this.vertices,
+                spotRadius = options.get('spotRadius'),
+                regionMap = this.regionMap,
+                rangex, rangey, yvallast,
+                canvasTop, canvasLeft,
+                vertex, path, paths, x, y, xnext, xpos, xposnext,
+                last, next, yvalcount, lineShapes, fillShapes, plen,
+                valueSpots, hlSpotsEnabled, color, xvalues, yvalues, i;
+
+            if (!line._super.render.call(this)) {
+                return;
+            }
+
+            this.scanValues();
+            this.processRangeOptions();
+
+            xvalues = this.xvalues;
+            yvalues = this.yvalues;
+
+            if (!this.yminmax.length || this.yvalues.length < 2) {
+                // empty or all null valuess
+                return;
+            }
+
+            canvasTop = canvasLeft = 0;
+
+            rangex = this.maxx - this.minx === 0 ? 1 : this.maxx - this.minx;
+            rangey = this.maxy - this.miny === 0 ? 1 : this.maxy - this.miny;
+            yvallast = this.yvalues.length - 1;
+
+            if (spotRadius && (canvasWidth < (spotRadius * 4) || canvasHeight < (spotRadius * 4))) {
+                spotRadius = 0;
+            }
+            if (spotRadius) {
+                // adjust the canvas size as required so that spots will fit
+                hlSpotsEnabled = options.get('highlightSpotColor') &&  !options.get('disableInteraction');
+                if (hlSpotsEnabled || options.get('minSpotColor') || (options.get('spotColor') && yvalues[yvallast] === this.miny)) {
+                    canvasHeight -= Math.ceil(spotRadius);
+                }
+                if (hlSpotsEnabled || options.get('maxSpotColor') || (options.get('spotColor') && yvalues[yvallast] === this.maxy)) {
+                    canvasHeight -= Math.ceil(spotRadius);
+                    canvasTop += Math.ceil(spotRadius);
+                }
+                if (hlSpotsEnabled ||
+                     ((options.get('minSpotColor') || options.get('maxSpotColor')) && (yvalues[0] === this.miny || yvalues[0] === this.maxy))) {
+                    canvasLeft += Math.ceil(spotRadius);
+                    canvasWidth -= Math.ceil(spotRadius);
+                }
+                if (hlSpotsEnabled || options.get('spotColor') ||
+                    (options.get('minSpotColor') || options.get('maxSpotColor') &&
+                        (yvalues[yvallast] === this.miny || yvalues[yvallast] === this.maxy))) {
+                    canvasWidth -= Math.ceil(spotRadius);
+                }
+            }
+
+
+            canvasHeight--;
+
+            if (options.get('normalRangeMin') !== undefined && !options.get('drawNormalOnTop')) {
+                this.drawNormalRange(canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey);
+            }
+
+            path = [];
+            paths = [path];
+            last = next = null;
+            yvalcount = yvalues.length;
+            for (i = 0; i < yvalcount; i++) {
+                x = xvalues[i];
+                xnext = xvalues[i + 1];
+                y = yvalues[i];
+                xpos = canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex));
+                xposnext = i < yvalcount - 1 ? canvasLeft + Math.round((xnext - this.minx) * (canvasWidth / rangex)) : canvasWidth;
+                next = xpos + ((xposnext - xpos) / 2);
+                regionMap[i] = [last || 0, next, i];
+                last = next;
+                if (y === null) {
+                    if (i) {
+                        if (yvalues[i - 1] !== null) {
+                            path = [];
+                            paths.push(path);
+                        }
+                        vertices.push(null);
+                    }
+                } else {
+                    if (y < this.miny) {
+                        y = this.miny;
+                    }
+                    if (y > this.maxy) {
+                        y = this.maxy;
+                    }
+                    if (!path.length) {
+                        // previous value was null
+                        path.push([xpos, canvasTop + canvasHeight]);
+                    }
+                    vertex = [xpos, canvasTop + Math.round(canvasHeight - (canvasHeight * ((y - this.miny) / rangey)))];
+                    path.push(vertex);
+                    vertices.push(vertex);
+                }
+            }
+
+            lineShapes = [];
+            fillShapes = [];
+            plen = paths.length;
+            for (i = 0; i < plen; i++) {
+                path = paths[i];
+                if (path.length) {
+                    if (options.get('fillColor')) {
+                        path.push([path[path.length - 1][0], (canvasTop + canvasHeight)]);
+                        fillShapes.push(path.slice(0));
+                        path.pop();
+                    }
+                    // if there's only a single point in this path, then we want to display it
+                    // as a vertical line which means we keep path[0]  as is
+                    if (path.length > 2) {
+                        // else we want the first value
+                        path[0] = [path[0][0], path[1][1]];
+                    }
+                    lineShapes.push(path);
+                }
+            }
+
+            // draw the fill first, then optionally the normal range, then the line on top of that
+            plen = fillShapes.length;
+            for (i = 0; i < plen; i++) {
+                target.drawShape(fillShapes[i],
+                    options.get('fillColor'), options.get('fillColor')).append();
+            }
+
+            if (options.get('normalRangeMin') !== undefined && options.get('drawNormalOnTop')) {
+                this.drawNormalRange(canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey);
+            }
+
+            plen = lineShapes.length;
+            for (i = 0; i < plen; i++) {
+                target.drawShape(lineShapes[i], options.get('lineColor'), undefined,
+                    options.get('lineWidth')).append();
+            }
+
+            if (spotRadius && options.get('valueSpots')) {
+                valueSpots = options.get('valueSpots');
+                if (valueSpots.get === undefined) {
+                    valueSpots = new RangeMap(valueSpots);
+                }
+                for (i = 0; i < yvalcount; i++) {
+                    color = valueSpots.get(yvalues[i]);
+                    if (color) {
+                        target.drawCircle(canvasLeft + Math.round((xvalues[i] - this.minx) * (canvasWidth / rangex)),
+                            canvasTop + Math.round(canvasHeight - (canvasHeight * ((yvalues[i] - this.miny) / rangey))),
+                            spotRadius, undefined,
+                            color).append();
+                    }
+                }
+
+            }
+            if (spotRadius && options.get('spotColor') && yvalues[yvallast] !== null) {
+                target.drawCircle(canvasLeft + Math.round((xvalues[xvalues.length - 1] - this.minx) * (canvasWidth / rangex)),
+                    canvasTop + Math.round(canvasHeight - (canvasHeight * ((yvalues[yvallast] - this.miny) / rangey))),
+                    spotRadius, undefined,
+                    options.get('spotColor')).append();
+            }
+            if (this.maxy !== this.minyorg) {
+                if (spotRadius && options.get('minSpotColor')) {
+                    x = xvalues[$.inArray(this.minyorg, yvalues)];
+                    target.drawCircle(canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex)),
+                        canvasTop + Math.round(canvasHeight - (canvasHeight * ((this.minyorg - this.miny) / rangey))),
+                        spotRadius, undefined,
+                        options.get('minSpotColor')).append();
+                }
+                if (spotRadius && options.get('maxSpotColor')) {
+                    x = xvalues[$.inArray(this.maxyorg, yvalues)];
+                    target.drawCircle(canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex)),
+                        canvasTop + Math.round(canvasHeight - (canvasHeight * ((this.maxyorg - this.miny) / rangey))),
+                        spotRadius, undefined,
+                        options.get('maxSpotColor')).append();
+                }
+            }
+
+            this.lastShapeId = target.getLastShapeId();
+            this.canvasTop = canvasTop;
+            target.render();
+        }
+    });
+
     /**
      * Bar charts
      */
                 chartRangeMin = options.get('chartRangeMin'),
                 chartRangeMax = options.get('chartRangeMax'),
                 chartRangeClip = options.get('chartRangeClip'),
-                groupMin, groupMax,
+                stackMin = Infinity,
+                stackMax = -Infinity,
+                isStackString, groupMin, groupMax, stackRanges,
                 numValues, i, vlen, range, zeroAxis, xaxisOffset, min, max, clipMin, clipMax,
-                vlist, j, slen, svals, val, yoffset, yMaxCalc, canvasHeightEf;
+                stacked, vlist, j, slen, svals, val, yoffset, yMaxCalc, canvasHeightEf;
             bar._super.init.call(this, el, values, options, width, height);
 
+            // scan values to determine whether to stack bars
+            for (i = 0, vlen = values.length; i < vlen; i++) {
+                val = values[i];
+                isStackString = typeof(val) === 'string' && val.indexOf(':') > -1;
+                if (isStackString || $.isArray(val)) {
+                    stacked = true;
+                    if (isStackString) {
+                        val = values[i] = normalizeValues(val.split(':'));
+                    }
+                    val = remove(val, null); // min/max will treat null as zero
+                    groupMin = Math.min.apply(Math, val);
+                    groupMax = Math.max.apply(Math, val);
+                    if (groupMin < stackMin) {
+                        stackMin = groupMin;
+                    }
+                    if (groupMax > stackMax) {
+                        stackMax = groupMax;
+                    }
+                }
+            }
+
+            this.stacked = stacked;
             this.regionShapes = {};
             this.barWidth = barWidth;
             this.barSpacing = barSpacing;
             }
 
             numValues = [];
+            stackRanges = stacked ? [] : numValues;
+            var stackTotals = [];
+            var stackRangesNeg = [];
             for (i = 0, vlen = values.length; i < vlen; i++) {
+                if (stacked) {
+                    vlist = values[i];
+                    values[i] = svals = [];
+                    stackTotals[i] = 0;
+                    stackRanges[i] = stackRangesNeg[i] = 0;
+                    for (j = 0, slen = vlist.length; j < slen; j++) {
+                        val = svals[j] = chartRangeClip ? clipval(vlist[j], clipMin, clipMax) : vlist[j];
+                        if (val !== null) {
+                            if (val > 0) {
+                                stackTotals[i] += val;
+                            }
+                            if (stackMin < 0 && stackMax > 0) {
+                                if (val < 0) {
+                                    stackRangesNeg[i] += Math.abs(val);
+                                } else {
+                                    stackRanges[i] += val;
+                                }
+                            } else {
+                                stackRanges[i] += Math.abs(val - (val < 0 ? stackMax : stackMin));
+                            }
+                            numValues.push(val);
+                        }
+                    }
+                } else {
                     val = chartRangeClip ? clipval(values[i], clipMin, clipMax) : values[i];
                     val = values[i] = normalizeValue(val);
                     if (val !== null) {
                         numValues.push(val);
                     }
+                }
             }
             this.max = max = Math.max.apply(Math, numValues);
             this.min = min = Math.min.apply(Math, numValues);
+            this.stackMax = stackMax = stacked ? Math.max.apply(Math, stackTotals) : max;
+            this.stackMin = stackMin = stacked ? Math.min.apply(Math, numValues) : min;
 
             if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < min)) {
                 min = options.get('chartRangeMin');
             }
             this.xaxisOffset = xaxisOffset;
 
-            range = max - min;
+            range = stacked ? (Math.max.apply(Math, stackRanges) + Math.max.apply(Math, stackRangesNeg)) : max - min;
 
             // as we plot zero/min values a single pixel line, we add a pixel to all other
             // values - Reduce the effective canvas size to suit
             this.canvasHeightEf = (zeroAxis && min < 0) ? this.canvasHeight - 2 : this.canvasHeight - 1;
 
             if (min < xaxisOffset) {
-                yMaxCalc = max;
+                yMaxCalc = (stacked && max >= 0) ? stackMax : max;
                 yoffset = (yMaxCalc - xaxisOffset) / range * this.canvasHeight;
                 if (yoffset !== Math.ceil(yoffset)) {
                     this.canvasHeightEf -= 2;
             }
             this.yoffset = yoffset;
 
+            if ($.isArray(options.get('colorMap'))) {
+                this.colorMapByIndex = options.get('colorMap');
+                this.colorMapByValue = null;
+            } else {
+                this.colorMapByIndex = null;
+                this.colorMapByValue = options.get('colorMap');
+                if (this.colorMapByValue && this.colorMapByValue.get === undefined) {
+                    this.colorMapByValue = new RangeMap(this.colorMapByValue);
+                }
+            }
+
             this.range = range;
         },
 
         },
 
         calcColor: function (stacknum, value, valuenum) {
-            var color, newColor,
-               options = this.options;
+            var colorMapByIndex = this.colorMapByIndex,
+                colorMapByValue = this.colorMapByValue,
+                options = this.options,
+                color, newColor;
+            if (this.stacked) {
+                color = options.get('stackedBarColor');
+            } else {
                 color = (value < 0) ? options.get('negBarColor') : options.get('barColor');
+            }
             if (value === 0 && options.get('zeroColor') !== undefined) {
                 color = options.get('zeroColor');
             }
-            return color;
+            if (colorMapByValue && (newColor = colorMapByValue.get(value))) {
+                color = newColor;
+            } else if (colorMapByIndex && colorMapByIndex.length > valuenum) {
+                color = colorMapByIndex[valuenum];
+            }
+            return $.isArray(color) ? color[stacknum % color.length] : color;
         },
 
         /**
                 xaxisOffset = this.xaxisOffset,
                 result = [],
                 range = this.range,
+                stacked = this.stacked,
                 target = this.target,
                 x = valuenum * this.totalBarWidth,
                 canvasHeightEf = this.canvasHeightEf,
             for (i = 0; i < valcount; i++) {
                 val = vals[i];
 
+                if (stacked && val === xaxisOffset) {
+                    if (!allMin || minPlotted) {
+                        continue;
+                    }
+                    minPlotted = true;
+                }
+
                 if (range > 0) {
                     height = Math.floor(canvasHeightEf * ((Math.abs(val - xaxisOffset) / range))) + 1;
                 } else {
         }
     });
 
-    // Setup a very simple "virtual canvas" to make drawing the few shapes we need easier
-    // This is accessible as $(foo).simpledraw()
+    /**
+     * Tristate charts
+     */
+    $.fn.sparkline.tristate = tristate = createClass($.fn.sparkline._base, barHighlightMixin, {
+        type: 'tristate',
 
-    VShape = createClass({
-        init: function (target, id, type, args) {
-            this.target = target;
-            this.id = id;
-            this.type = type;
-            this.args = args;
-        },
-        append: function () {
-            this.target.appendShape(this);
-            return this;
-        }
-    });
+        init: function (el, values, options, width, height) {
+            var barWidth = parseInt(options.get('barWidth'), 10),
+                barSpacing = parseInt(options.get('barSpacing'), 10);
+            tristate._super.init.call(this, el, values, options, width, height);
 
-    VCanvas_base = createClass({
-        _pxregex: /(\d+)(px)?\s*$/i,
+            this.regionShapes = {};
+            this.barWidth = barWidth;
+            this.barSpacing = barSpacing;
+            this.totalBarWidth = barWidth + barSpacing;
+            this.values = $.map(values, Number);
+            this.width = width = (values.length * barWidth) + ((values.length - 1) * barSpacing);
 
-        init: function (width, height, target) {
-            if (!width) {
-                return;
-            }
-            this.width = width;
-            this.height = height;
-            this.target = target;
-            this.lastShapeId = null;
-            if (target[0]) {
-                target = target[0];
+            if ($.isArray(options.get('colorMap'))) {
+                this.colorMapByIndex = options.get('colorMap');
+                this.colorMapByValue = null;
+            } else {
+                this.colorMapByIndex = null;
+                this.colorMapByValue = options.get('colorMap');
+                if (this.colorMapByValue && this.colorMapByValue.get === undefined) {
+                    this.colorMapByValue = new RangeMap(this.colorMapByValue);
+                }
             }
-            $.data(target, '_jqs_vcanvas', this);
+            this.initTarget();
+        },
+
+        getRegion: function (el, x, y) {
+            return Math.floor(x / this.totalBarWidth);
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.values[currentRegion] === undefined,
+                value: this.values[currentRegion],
+                color: this.calcColor(this.values[currentRegion], currentRegion),
+                offset: currentRegion
+            };
+        },
+
+        calcColor: function (value, valuenum) {
+            var values = this.values,
+                options = this.options,
+                colorMapByIndex = this.colorMapByIndex,
+                colorMapByValue = this.colorMapByValue,
+                color, newColor;
+
+            if (colorMapByValue && (newColor = colorMapByValue.get(value))) {
+                color = newColor;
+            } else if (colorMapByIndex && colorMapByIndex.length > valuenum) {
+                color = colorMapByIndex[valuenum];
+            } else if (values[valuenum] < 0) {
+                color = options.get('negBarColor');
+            } else if (values[valuenum] > 0) {
+                color = options.get('posBarColor');
+            } else {
+                color = options.get('zeroBarColor');
+            }
+            return color;
+        },
+
+        renderRegion: function (valuenum, highlight) {
+            var values = this.values,
+                options = this.options,
+                target = this.target,
+                canvasHeight, height, halfHeight,
+                x, y, color;
+
+            canvasHeight = target.pixelHeight;
+            halfHeight = Math.round(canvasHeight / 2);
+
+            x = valuenum * this.totalBarWidth;
+            if (values[valuenum] < 0) {
+                y = halfHeight;
+                height = halfHeight - 1;
+            } else if (values[valuenum] > 0) {
+                y = 0;
+                height = halfHeight - 1;
+            } else {
+                y = halfHeight - 1;
+                height = 2;
+            }
+            color = this.calcColor(values[valuenum], valuenum);
+            if (color === null) {
+                return;
+            }
+            if (highlight) {
+                color = this.calcHighlightColor(color, options);
+            }
+            return target.drawRect(x, y, this.barWidth - 1, height - 1, color, color);
+        }
+    });
+
+    /**
+     * Discrete charts
+     */
+    $.fn.sparkline.discrete = discrete = createClass($.fn.sparkline._base, barHighlightMixin, {
+        type: 'discrete',
+
+        init: function (el, values, options, width, height) {
+            discrete._super.init.call(this, el, values, options, width, height);
+
+            this.regionShapes = {};
+            this.values = values = $.map(values, Number);
+            this.min = Math.min.apply(Math, values);
+            this.max = Math.max.apply(Math, values);
+            this.range = this.max - this.min;
+            this.width = width = options.get('width') === 'auto' ? values.length * 2 : this.width;
+            this.interval = Math.floor(width / values.length);
+            this.itemWidth = width / values.length;
+            if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < this.min)) {
+                this.min = options.get('chartRangeMin');
+            }
+            if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > this.max)) {
+                this.max = options.get('chartRangeMax');
+            }
+            this.initTarget();
+            if (this.target) {
+                this.lineHeight = options.get('lineHeight') === 'auto' ? Math.round(this.canvasHeight * 0.3) : options.get('lineHeight');
+            }
+        },
+
+        getRegion: function (el, x, y) {
+            return Math.floor(x / this.itemWidth);
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.values[currentRegion] === undefined,
+                value: this.values[currentRegion],
+                offset: currentRegion
+            };
+        },
+
+        renderRegion: function (valuenum, highlight) {
+            var values = this.values,
+                options = this.options,
+                min = this.min,
+                max = this.max,
+                range = this.range,
+                interval = this.interval,
+                target = this.target,
+                canvasHeight = this.canvasHeight,
+                lineHeight = this.lineHeight,
+                pheight = canvasHeight - lineHeight,
+                ytop, val, color, x;
+
+            val = clipval(values[valuenum], min, max);
+            x = valuenum * interval;
+            ytop = Math.round(pheight - pheight * ((val - min) / range));
+            color = (options.get('thresholdColor') && val < options.get('thresholdValue')) ? options.get('thresholdColor') : options.get('lineColor');
+            if (highlight) {
+                color = this.calcHighlightColor(color, options);
+            }
+            return target.drawLine(x, ytop, x, ytop + lineHeight, color);
+        }
+    });
+
+    /**
+     * Bullet charts
+     */
+    $.fn.sparkline.bullet = bullet = createClass($.fn.sparkline._base, {
+        type: 'bullet',
+
+        init: function (el, values, options, width, height) {
+            var min, max, vals;
+            bullet._super.init.call(this, el, values, options, width, height);
+
+            // values: target, performance, range1, range2, range3
+            this.values = values = normalizeValues(values);
+            // target or performance could be null
+            vals = values.slice();
+            vals[0] = vals[0] === null ? vals[2] : vals[0];
+            vals[1] = values[1] === null ? vals[2] : vals[1];
+            min = Math.min.apply(Math, values);
+            max = Math.max.apply(Math, values);
+            if (options.get('base') === undefined) {
+                min = min < 0 ? min : 0;
+            } else {
+                min = options.get('base');
+            }
+            this.min = min;
+            this.max = max;
+            this.range = max - min;
+            this.shapes = {};
+            this.valueShapes = {};
+            this.regiondata = {};
+            this.width = width = options.get('width') === 'auto' ? '4.0em' : width;
+            this.target = this.$el.simpledraw(width, height, options.get('composite'));
+            if (!values.length) {
+                this.disabled = true;
+            }
+            this.initTarget();
+        },
+
+        getRegion: function (el, x, y) {
+            var shapeid = this.target.getShapeAt(el, x, y);
+            return (shapeid !== undefined && this.shapes[shapeid] !== undefined) ? this.shapes[shapeid] : undefined;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                fieldkey: currentRegion.substr(0, 1),
+                value: this.values[currentRegion.substr(1)],
+                region: currentRegion
+            };
+        },
+
+        changeHighlight: function (highlight) {
+            var currentRegion = this.currentRegion,
+                shapeid = this.valueShapes[currentRegion],
+                shape;
+            delete this.shapes[shapeid];
+            switch (currentRegion.substr(0, 1)) {
+                case 'r':
+                    shape = this.renderRange(currentRegion.substr(1), highlight);
+                    break;
+                case 'p':
+                    shape = this.renderPerformance(highlight);
+                    break;
+                case 't':
+                    shape = this.renderTarget(highlight);
+                    break;
+            }
+            this.valueShapes[currentRegion] = shape.id;
+            this.shapes[shape.id] = currentRegion;
+            this.target.replaceWithShape(shapeid, shape);
+        },
+
+        renderRange: function (rn, highlight) {
+            var rangeval = this.values[rn],
+                rangewidth = Math.round(this.canvasWidth * ((rangeval - this.min) / this.range)),
+                color = this.options.get('rangeColors')[rn - 2];
+            if (highlight) {
+                color = this.calcHighlightColor(color, this.options);
+            }
+            return this.target.drawRect(0, 0, rangewidth - 1, this.canvasHeight - 1, color, color);
+        },
+
+        renderPerformance: function (highlight) {
+            var perfval = this.values[1],
+                perfwidth = Math.round(this.canvasWidth * ((perfval - this.min) / this.range)),
+                color = this.options.get('performanceColor');
+            if (highlight) {
+                color = this.calcHighlightColor(color, this.options);
+            }
+            return this.target.drawRect(0, Math.round(this.canvasHeight * 0.3), perfwidth - 1,
+                Math.round(this.canvasHeight * 0.4) - 1, color, color);
+        },
+
+        renderTarget: function (highlight) {
+            var targetval = this.values[0],
+                x = Math.round(this.canvasWidth * ((targetval - this.min) / this.range) - (this.options.get('targetWidth') / 2)),
+                targettop = Math.round(this.canvasHeight * 0.10),
+                targetheight = this.canvasHeight - (targettop * 2),
+                color = this.options.get('targetColor');
+            if (highlight) {
+                color = this.calcHighlightColor(color, this.options);
+            }
+            return this.target.drawRect(x, targettop, this.options.get('targetWidth') - 1, targetheight - 1, color, color);
+        },
+
+        render: function () {
+            var vlen = this.values.length,
+                target = this.target,
+                i, shape;
+            if (!bullet._super.render.call(this)) {
+                return;
+            }
+            for (i = 2; i < vlen; i++) {
+                shape = this.renderRange(i).append();
+                this.shapes[shape.id] = 'r' + i;
+                this.valueShapes['r' + i] = shape.id;
+            }
+            if (this.values[1] !== null) {
+                shape = this.renderPerformance().append();
+                this.shapes[shape.id] = 'p1';
+                this.valueShapes.p1 = shape.id;
+            }
+            if (this.values[0] !== null) {
+                shape = this.renderTarget().append();
+                this.shapes[shape.id] = 't0';
+                this.valueShapes.t0 = shape.id;
+            }
+            target.render();
+        }
+    });
+
+    /**
+     * Pie charts
+     */
+    $.fn.sparkline.pie = pie = createClass($.fn.sparkline._base, {
+        type: 'pie',
+
+        init: function (el, values, options, width, height) {
+            var total = 0, i;
+
+            pie._super.init.call(this, el, values, options, width, height);
+
+            this.shapes = {}; // map shape ids to value offsets
+            this.valueShapes = {}; // maps value offsets to shape ids
+            this.values = values = $.map(values, Number);
+
+            if (options.get('width') === 'auto') {
+                this.width = this.height;
+            }
+
+            if (values.length > 0) {
+                for (i = values.length; i--;) {
+                    total += values[i];
+                }
+            }
+            this.total = total;
+            this.initTarget();
+            this.radius = Math.floor(Math.min(this.canvasWidth, this.canvasHeight) / 2);
+        },
+
+        getRegion: function (el, x, y) {
+            var shapeid = this.target.getShapeAt(el, x, y);
+            return (shapeid !== undefined && this.shapes[shapeid] !== undefined) ? this.shapes[shapeid] : undefined;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.values[currentRegion] === undefined,
+                value: this.values[currentRegion],
+                percent: this.values[currentRegion] / this.total * 100,
+                color: this.options.get('sliceColors')[currentRegion % this.options.get('sliceColors').length],
+                offset: currentRegion
+            };
+        },
+
+        changeHighlight: function (highlight) {
+            var currentRegion = this.currentRegion,
+                 newslice = this.renderSlice(currentRegion, highlight),
+                 shapeid = this.valueShapes[currentRegion];
+            delete this.shapes[shapeid];
+            this.target.replaceWithShape(shapeid, newslice);
+            this.valueShapes[currentRegion] = newslice.id;
+            this.shapes[newslice.id] = currentRegion;
+        },
+
+        renderSlice: function (valuenum, highlight) {
+            var target = this.target,
+                options = this.options,
+                radius = this.radius,
+                borderWidth = options.get('borderWidth'),
+                offset = options.get('offset'),
+                circle = 2 * Math.PI,
+                values = this.values,
+                total = this.total,
+                next = offset ? (2*Math.PI)*(offset/360) : 0,
+                start, end, i, vlen, color;
+
+            vlen = values.length;
+            for (i = 0; i < vlen; i++) {
+                start = next;
+                end = next;
+                if (total > 0) {  // avoid divide by zero
+                    end = next + (circle * (values[i] / total));
+                }
+                if (valuenum === i) {
+                    color = options.get('sliceColors')[i % options.get('sliceColors').length];
+                    if (highlight) {
+                        color = this.calcHighlightColor(color, options);
+                    }
+
+                    return target.drawPieSlice(radius, radius, radius - borderWidth, start, end, undefined, color);
+                }
+                next = end;
+            }
+        },
+
+        render: function () {
+            var target = this.target,
+                values = this.values,
+                options = this.options,
+                radius = this.radius,
+                borderWidth = options.get('borderWidth'),
+                shape, i;
+
+            if (!pie._super.render.call(this)) {
+                return;
+            }
+            if (borderWidth) {
+                target.drawCircle(radius, radius, Math.floor(radius - (borderWidth / 2)),
+                    options.get('borderColor'), undefined, borderWidth).append();
+            }
+            for (i = values.length; i--;) {
+                if (values[i]) { // don't render zero values
+                    shape = this.renderSlice(i).append();
+                    this.valueShapes[i] = shape.id; // store just the shapeid
+                    this.shapes[shape.id] = i;
+                }
+            }
+            target.render();
+        }
+    });
+
+    /**
+     * Box plots
+     */
+    $.fn.sparkline.box = box = createClass($.fn.sparkline._base, {
+        type: 'box',
+
+        init: function (el, values, options, width, height) {
+            box._super.init.call(this, el, values, options, width, height);
+            this.values = $.map(values, Number);
+            this.width = options.get('width') === 'auto' ? '4.0em' : width;
+            this.initTarget();
+            if (!this.values.length) {
+                this.disabled = 1;
+            }
+        },
+
+        /**
+         * Simulate a single region
+         */
+        getRegion: function () {
+            return 1;
+        },
+
+        getCurrentRegionFields: function () {
+            var result = [
+                { field: 'lq', value: this.quartiles[0] },
+                { field: 'med', value: this.quartiles[1] },
+                { field: 'uq', value: this.quartiles[2] }
+            ];
+            if (this.loutlier !== undefined) {
+                result.push({ field: 'lo', value: this.loutlier});
+            }
+            if (this.routlier !== undefined) {
+                result.push({ field: 'ro', value: this.routlier});
+            }
+            if (this.lwhisker !== undefined) {
+                result.push({ field: 'lw', value: this.lwhisker});
+            }
+            if (this.rwhisker !== undefined) {
+                result.push({ field: 'rw', value: this.rwhisker});
+            }
+            return result;
+        },
+
+        render: function () {
+            var target = this.target,
+                values = this.values,
+                vlen = values.length,
+                options = this.options,
+                canvasWidth = this.canvasWidth,
+                canvasHeight = this.canvasHeight,
+                minValue = options.get('chartRangeMin') === undefined ? Math.min.apply(Math, values) : options.get('chartRangeMin'),
+                maxValue = options.get('chartRangeMax') === undefined ? Math.max.apply(Math, values) : options.get('chartRangeMax'),
+                canvasLeft = 0,
+                lwhisker, loutlier, iqr, q1, q2, q3, rwhisker, routlier, i,
+                size, unitSize;
+
+            if (!box._super.render.call(this)) {
+                return;
+            }
+
+            if (options.get('raw')) {
+                if (options.get('showOutliers') && values.length > 5) {
+                    loutlier = values[0];
+                    lwhisker = values[1];
+                    q1 = values[2];
+                    q2 = values[3];
+                    q3 = values[4];
+                    rwhisker = values[5];
+                    routlier = values[6];
+                } else {
+                    lwhisker = values[0];
+                    q1 = values[1];
+                    q2 = values[2];
+                    q3 = values[3];
+                    rwhisker = values[4];
+                }
+            } else {
+                values.sort(function (a, b) { return a - b; });
+                q1 = quartile(values, 1);
+                q2 = quartile(values, 2);
+                q3 = quartile(values, 3);
+                iqr = q3 - q1;
+                if (options.get('showOutliers')) {
+                    lwhisker = rwhisker = undefined;
+                    for (i = 0; i < vlen; i++) {
+                        if (lwhisker === undefined && values[i] > q1 - (iqr * options.get('outlierIQR'))) {
+                            lwhisker = values[i];
+                        }
+                        if (values[i] < q3 + (iqr * options.get('outlierIQR'))) {
+                            rwhisker = values[i];
+                        }
+                    }
+                    loutlier = values[0];
+                    routlier = values[vlen - 1];
+                } else {
+                    lwhisker = values[0];
+                    rwhisker = values[vlen - 1];
+                }
+            }
+            this.quartiles = [q1, q2, q3];
+            this.lwhisker = lwhisker;
+            this.rwhisker = rwhisker;
+            this.loutlier = loutlier;
+            this.routlier = routlier;
+
+            unitSize = canvasWidth / (maxValue - minValue + 1);
+            if (options.get('showOutliers')) {
+                canvasLeft = Math.ceil(options.get('spotRadius'));
+                canvasWidth -= 2 * Math.ceil(options.get('spotRadius'));
+                unitSize = canvasWidth / (maxValue - minValue + 1);
+                if (loutlier < lwhisker) {
+                    target.drawCircle((loutlier - minValue) * unitSize + canvasLeft,
+                        canvasHeight / 2,
+                        options.get('spotRadius'),
+                        options.get('outlierLineColor'),
+                        options.get('outlierFillColor')).append();
+                }
+                if (routlier > rwhisker) {
+                    target.drawCircle((routlier - minValue) * unitSize + canvasLeft,
+                        canvasHeight / 2,
+                        options.get('spotRadius'),
+                        options.get('outlierLineColor'),
+                        options.get('outlierFillColor')).append();
+                }
+            }
+
+            // box
+            target.drawRect(
+                Math.round((q1 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight * 0.1),
+                Math.round((q3 - q1) * unitSize),
+                Math.round(canvasHeight * 0.8),
+                options.get('boxLineColor'),
+                options.get('boxFillColor')).append();
+            // left whisker
+            target.drawLine(
+                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                Math.round((q1 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                options.get('lineColor')).append();
+            target.drawLine(
+                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 4),
+                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight - canvasHeight / 4),
+                options.get('whiskerColor')).append();
+            // right whisker
+            target.drawLine(Math.round((rwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                Math.round((q3 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                options.get('lineColor')).append();
+            target.drawLine(
+                Math.round((rwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 4),
+                Math.round((rwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight - canvasHeight / 4),
+                options.get('whiskerColor')).append();
+            // median line
+            target.drawLine(
+                Math.round((q2 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight * 0.1),
+                Math.round((q2 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight * 0.9),
+                options.get('medianColor')).append();
+            if (options.get('target')) {
+                size = Math.ceil(options.get('spotRadius'));
+                target.drawLine(
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft),
+                    Math.round((canvasHeight / 2) - size),
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft),
+                    Math.round((canvasHeight / 2) + size),
+                    options.get('targetColor')).append();
+                target.drawLine(
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft - size),
+                    Math.round(canvasHeight / 2),
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft + size),
+                    Math.round(canvasHeight / 2),
+                    options.get('targetColor')).append();
+            }
+            target.render();
+        }
+    });
+
+    // Setup a very simple "virtual canvas" to make drawing the few shapes we need easier
+    // This is accessible as $(foo).simpledraw()
+
+    VShape = createClass({
+        init: function (target, id, type, args) {
+            this.target = target;
+            this.id = id;
+            this.type = type;
+            this.args = args;
+        },
+        append: function () {
+            this.target.appendShape(this);
+            return this;
+        }
+    });
+
+    VCanvas_base = createClass({
+        _pxregex: /(\d+)(px)?\s*$/i,
+
+        init: function (width, height, target) {
+            if (!width) {
+                return;
+            }
+            this.width = width;
+            this.height = height;
+            this.target = target;
+            this.lastShapeId = null;
+            if (target[0]) {
+                target = target[0];
+            }
+            $.data(target, '_jqs_vcanvas', this);
         },
 
         drawLine: function (x1, y1, x2, y2, lineColor, lineWidth) {
             return this._genShape('Shape', [path, lineColor, fillColor, lineWidth]);
         },
 
+        drawCircle: function (x, y, radius, lineColor, fillColor, lineWidth) {
+            return this._genShape('Circle', [x, y, radius, lineColor, fillColor, lineWidth]);
+        },
+
+        drawPieSlice: function (x, y, radius, startAngle, endAngle, lineColor, fillColor) {
+            return this._genShape('PieSlice', [x, y, radius, startAngle, endAngle, lineColor, fillColor]);
+        },
+
         drawRect: function (x, y, width, height, lineColor, fillColor) {
             return this._genShape('Rect', [x, y, width, height, lineColor, fillColor]);
         },
             }
         },
 
+        _drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
+            var context = this._getContext(lineColor, fillColor, lineWidth);
+            context.beginPath();
+            context.arc(x, y, radius, 0, 2 * Math.PI, false);
+            if (this.targetX !== undefined && this.targetY !== undefined &&
+                context.isPointInPath(this.targetX, this.targetY)) {
+                this.currentTargetShapeId = shapeid;
+            }
+            if (lineColor !== undefined) {
+                context.stroke();
+            }
+            if (fillColor !== undefined) {
+                context.fill();
+            }
+        },
+
+        _drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
+            var context = this._getContext(lineColor, fillColor);
+            context.beginPath();
+            context.moveTo(x, y);
+            context.arc(x, y, radius, startAngle, endAngle, false);
+            context.lineTo(x, y);
+            context.closePath();
+            if (lineColor !== undefined) {
+                context.stroke();
+            }
+            if (fillColor) {
+                context.fill();
+            }
+            if (this.targetX !== undefined && this.targetY !== undefined &&
+                context.isPointInPath(this.targetX, this.targetY)) {
+                this.currentTargetShapeId = shapeid;
+            }
+        },
+
         _drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
             return this._drawShape(shapeid, [[x, y], [x + width, y], [x + width, y + height], [x, y + height], [x, y]], lineColor, fillColor);
         },
         }
 
     });
+
+    VCanvas_vml = createClass(VCanvas_base, {
+        init: function (width, height, target) {
+            var groupel;
+            VCanvas_vml._super.init.call(this, width, height, target);
+            if (target[0]) {
+                target = target[0];
+            }
+            $.data(target, '_jqs_vcanvas', this);
+            this.canvas = document.createElement('span');
+            $(this.canvas).css({ display: 'inline-block', position: 'relative', overflow: 'hidden', width: width, height: height, margin: '0px', padding: '0px', verticalAlign: 'top'});
+            this._insert(this.canvas, target);
+            this._calculatePixelDims(width, height, this.canvas);
+            this.canvas.width = this.pixelWidth;
+            this.canvas.height = this.pixelHeight;
+            groupel = '<v:group coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '"' +
+                    ' style="position:absolute;top:0;left:0;width:' + this.pixelWidth + 'px;height=' + this.pixelHeight + 'px;"></v:group>';
+            this.canvas.insertAdjacentHTML('beforeEnd', groupel);
+            this.group = $(this.canvas).children()[0];
+            this.rendered = false;
+            this.prerender = '';
+        },
+
+        _drawShape: function (shapeid, path, lineColor, fillColor, lineWidth) {
+            var vpath = [],
+                initial, stroke, fill, closed, vel, plen, i;
+            for (i = 0, plen = path.length; i < plen; i++) {
+                vpath[i] = '' + (path[i][0]) + ',' + (path[i][1]);
+            }
+            initial = vpath.splice(0, 1);
+            lineWidth = lineWidth === undefined ? 1 : lineWidth;
+            stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
+            fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
+            closed = vpath[0] === vpath[vpath.length - 1] ? 'x ' : '';
+            vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
+                 ' id="jqsshape' + shapeid + '" ' +
+                 stroke +
+                 fill +
+                ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
+                ' path="m ' + initial + ' l ' + vpath.join(', ') + ' ' + closed + 'e">' +
+                ' </v:shape>';
+            return vel;
+        },
+
+        _drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
+            var stroke, fill, vel;
+            x -= radius;
+            y -= radius;
+            stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
+            fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
+            vel = '<v:oval ' +
+                 ' id="jqsshape' + shapeid + '" ' +
+                stroke +
+                fill +
+                ' style="position:absolute;top:' + y + 'px; left:' + x + 'px; width:' + (radius * 2) + 'px; height:' + (radius * 2) + 'px"></v:oval>';
+            return vel;
+
+        },
+
+        _drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
+            var vpath, startx, starty, endx, endy, stroke, fill, vel;
+            if (startAngle === endAngle) {
+                return '';  // VML seems to have problem when start angle equals end angle.
+            }
+            if ((endAngle - startAngle) === (2 * Math.PI)) {
+                startAngle = 0.0;  // VML seems to have a problem when drawing a full circle that doesn't start 0
+                endAngle = (2 * Math.PI);
+            }
+
+            startx = x + Math.round(Math.cos(startAngle) * radius);
+            starty = y + Math.round(Math.sin(startAngle) * radius);
+            endx = x + Math.round(Math.cos(endAngle) * radius);
+            endy = y + Math.round(Math.sin(endAngle) * radius);
+
+            if (startx === endx && starty === endy) {
+                if ((endAngle - startAngle) < Math.PI) {
+                    // Prevent very small slices from being mistaken as a whole pie
+                    return '';
+                }
+                // essentially going to be the entire circle, so ignore startAngle
+                startx = endx = x + radius;
+                starty = endy = y;
+            }
+
+            if (startx === endx && starty === endy && (endAngle - startAngle) < Math.PI) {
+                return '';
+            }
+
+            vpath = [x - radius, y - radius, x + radius, y + radius, startx, starty, endx, endy];
+            stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="1px" strokeColor="' + lineColor + '" ';
+            fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
+            vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
+                 ' id="jqsshape' + shapeid + '" ' +
+                 stroke +
+                 fill +
+                ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
+                ' path="m ' + x + ',' + y + ' wa ' + vpath.join(', ') + ' x e">' +
+                ' </v:shape>';
+            return vel;
+        },
+
+        _drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
+            return this._drawShape(shapeid, [[x, y], [x, y + height], [x + width, y + height], [x + width, y], [x, y]], lineColor, fillColor);
+        },
+
+        reset: function () {
+            this.group.innerHTML = '';
+        },
+
+        appendShape: function (shape) {
+            var vel = this['_draw' + shape.type].apply(this, shape.args);
+            if (this.rendered) {
+                this.group.insertAdjacentHTML('beforeEnd', vel);
+            } else {
+                this.prerender += vel;
+            }
+            this.lastShapeId = shape.id;
+            return shape.id;
+        },
+
+        replaceWithShape: function (shapeid, shape) {
+            var existing = $('#jqsshape' + shapeid),
+                vel = this['_draw' + shape.type].apply(this, shape.args);
+            existing[0].outerHTML = vel;
+        },
+
+        replaceWithShapes: function (shapeids, shapes) {
+            // replace the first shapeid with all the new shapes then toast the remaining old shapes
+            var existing = $('#jqsshape' + shapeids[0]),
+                replace = '',
+                slen = shapes.length,
+                i;
+            for (i = 0; i < slen; i++) {
+                replace += this['_draw' + shapes[i].type].apply(this, shapes[i].args);
+            }
+            existing[0].outerHTML = replace;
+            for (i = 1; i < shapeids.length; i++) {
+                $('#jqsshape' + shapeids[i]).remove();
+            }
+        },
+
+        insertAfterShape: function (shapeid, shape) {
+            var existing = $('#jqsshape' + shapeid),
+                 vel = this['_draw' + shape.type].apply(this, shape.args);
+            existing[0].insertAdjacentHTML('afterEnd', vel);
+        },
+
+        removeShapeId: function (shapeid) {
+            var existing = $('#jqsshape' + shapeid);
+            this.group.removeChild(existing[0]);
+        },
+
+        getShapeAt: function (el, x, y) {
+            var shapeid = el.id.substr(8);
+            return shapeid;
+        },
+
+        render: function () {
+            if (!this.rendered) {
+                // batch the intial render into a single repaint
+                this.group.innerHTML = this.prerender;
+                this.rendered = true;
+            }
+        }
+    });
+
 }))}(document, Math));