From 3aa121974c93539d2a12a2f157ec728af903604f Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Mon, 20 May 2019 17:24:03 +0200
Subject: JS: custom version of jqplot.cursor.js to manage zoom on category
 axis renderer

---
 .../static/js/jqplot/plugins/jqplot.cursor.js      | 1188 ++++++++++++++++++++
 1 file changed, 1188 insertions(+)
 create mode 100644 ishtar_common/static/js/jqplot/plugins/jqplot.cursor.js

(limited to 'ishtar_common/static')

diff --git a/ishtar_common/static/js/jqplot/plugins/jqplot.cursor.js b/ishtar_common/static/js/jqplot/plugins/jqplot.cursor.js
new file mode 100644
index 000000000..75c03912e
--- /dev/null
+++ b/ishtar_common/static/js/jqplot/plugins/jqplot.cursor.js
@@ -0,0 +1,1188 @@
+/**
+ * jqPlot
+ * Pure JavaScript plotting plugin using jQuery
+ *
+ * Version: @VERSION
+ * Revision: @REVISION
+ *
+ * Copyright (c) 2009-2016 Chris Leonello
+ * jqPlot is currently available for use in all personal or commercial projects 
+ * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL 
+ * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can 
+ * choose the license that best suits your project and use it accordingly. 
+ *
+ * Although not required, the author would appreciate an email letting him 
+ * know of any substantial use of jqPlot.  You can reach the author at: 
+ * chris at jqplot dot com or see http://www.jqplot.com/info.php .
+ *
+ * If you are feeling kind and generous, consider supporting the project by
+ * making a donation at: http://www.jqplot.com/donate.php .
+ *
+ * sprintf functions contained in jqplot.sprintf.js by Ash Searle:
+ *
+ *     version 2007.04.27
+ *     author Ash Searle
+ *     http://hexmen.com/blog/2007/03/printf-sprintf/
+ *     http://hexmen.com/js/sprintf.js
+ *     The author (Ash Searle) has placed this code in the public domain:
+ *     "This code is unrestricted: you are free to use it however you like."
+ * 
+ */
+(function($) {
+    
+    /**
+     * Class: $.jqplot.Cursor
+     * Plugin class representing the cursor as displayed on the plot.
+     */
+    $.jqplot.Cursor = function(options) {
+        // Group: Properties
+        //
+        // prop: style
+        // CSS spec for cursor style
+        this.style = 'crosshair';
+        this.previousCursor = 'auto';
+        // prop: show
+        // whether to show the cursor or not.
+        this.show = $.jqplot.config.enablePlugins;
+        // prop: showTooltip
+        // show a cursor position tooltip.  Location of the tooltip
+        // will be controlled by followMouse and tooltipLocation.
+        this.showTooltip = true;
+        // prop: followMouse
+        // Tooltip follows the mouse, it is not at a fixed location.
+        // Tooltip will show on the grid at the location given by
+        // tooltipLocation, offset from the grid edge by tooltipOffset.
+        this.followMouse = false;
+        // prop: tooltipLocation
+        // Where to position tooltip.  If followMouse is true, this is
+        // relative to the cursor, otherwise, it is relative to the grid.
+        // One of 'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'
+        this.tooltipLocation = 'se';
+        // prop: tooltipOffset
+        // Pixel offset of tooltip from the grid boudaries or cursor center.
+        this.tooltipOffset = 6;
+        // prop: showTooltipGridPosition
+        // show the grid pixel coordinates of the mouse.
+        this.showTooltipGridPosition = false;
+        // prop: showTooltipUnitPosition
+        // show the unit (data) coordinates of the mouse.
+        this.showTooltipUnitPosition = true;
+        // prop: showTooltipDataPosition
+        // Used with showVerticalLine to show intersecting data points in the tooltip.
+        this.showTooltipDataPosition = false;
+        // prop: tooltipFormatString
+        // sprintf format string for the tooltip.
+        // Uses Ash Searle's javascript sprintf implementation
+        // found here: http://hexmen.com/blog/2007/03/printf-sprintf/
+        // See http://perldoc.perl.org/functions/sprintf.html for reference
+        // Note, if showTooltipDataPosition is true, the default tooltipFormatString
+        // will be set to the cursorLegendFormatString, not the default given here.
+        this.tooltipFormatString = '%.4P, %.4P';
+        // prop: useAxesFormatters
+        // Use the x and y axes formatters to format the text in the tooltip.
+        this.useAxesFormatters = true;
+        // prop: tooltipAxisGroups
+        // Show position for the specified axes.
+        // This is an array like [['xaxis', 'yaxis'], ['xaxis', 'y2axis']]
+        // Default is to compute automatically for all visible axes.
+        this.tooltipAxisGroups = [];
+        // prop: zoom
+        // Enable plot zooming.
+        this.zoom = false;
+        // zoomProxy and zoomTarget properties are not directly set by user.  
+        // They Will be set through call to zoomProxy method.
+        this.zoomProxy = false;
+        this.zoomTarget = false;
+        // prop: looseZoom
+        // Will expand zoom range to provide more rounded tick values.
+        // Works only with linear, log and date axes.
+        this.looseZoom = true;
+        // prop: clickReset
+        // Will reset plot zoom if single click on plot without drag.
+        this.clickReset = false;
+        // prop: dblClickReset
+        // Will reset plot zoom if double click on plot without drag.
+        this.dblClickReset = true;
+        // prop: showVerticalLine
+        // draw a vertical line across the plot which follows the cursor.
+        // When the line is near a data point, a special legend and/or tooltip can
+        // be updated with the data values.
+        this.showVerticalLine = false;
+        // prop: showHorizontalLine
+        // draw a horizontal line across the plot which follows the cursor.
+        this.showHorizontalLine = false;
+        // prop: constrainZoomTo
+        // 'none', 'x' or 'y'
+        this.constrainZoomTo = 'none';
+        // // prop: autoscaleConstraint
+        // // when a constrained axis is specified, true will
+        // // auatoscale the adjacent axis.
+        // this.autoscaleConstraint = true;
+        this.shapeRenderer = new $.jqplot.ShapeRenderer();
+        this._zoom = {start:[], end:[], started: false, zooming:false, isZoomed:false, axes:{start:{}, end:{}}, gridpos:{}, datapos:{}};
+        this._tooltipElem;
+        this.zoomCanvas;
+        this.cursorCanvas;
+        // prop: intersectionThreshold
+        // pixel distance from data point or marker to consider cursor lines intersecting with point.
+        // If data point markers are not shown, this should be >= 1 or will often miss point intersections.
+        this.intersectionThreshold = 2;
+        // prop: showCursorLegend
+        // Replace the plot legend with an enhanced legend displaying intersection information.
+        this.showCursorLegend = false;
+        // prop: cursorLegendFormatString
+        // Format string used in the cursor legend.  If showTooltipDataPosition is true,
+        // this will also be the default format string used by tooltipFormatString.
+        this.cursorLegendFormatString = $.jqplot.Cursor.cursorLegendFormatString;
+        // whether the cursor is over the grid or not.
+        this._oldHandlers = {onselectstart: null, ondrag: null, onmousedown: null};
+        // prop: constrainOutsideZoom
+        // True to limit actual zoom area to edges of grid, even when zooming
+        // outside of plot area.  That is, can't zoom out by mousing outside plot.
+        this.constrainOutsideZoom = true;
+        // prop: showTooltipOutsideZoom
+        // True will keep updating the tooltip when zooming of the grid.
+        this.showTooltipOutsideZoom = false;
+        // true if mouse is over grid, false if not.
+        this.onGrid = false;
+        $.extend(true, this, options);
+    };
+    
+    $.jqplot.Cursor.cursorLegendFormatString = '%s x:%s, y:%s';
+    
+    // called with scope of plot
+    $.jqplot.Cursor.init = function (target, data, opts){
+        // add a cursor attribute to the plot
+        var options = opts || {};
+        this.plugins.cursor = new $.jqplot.Cursor(options.cursor);
+        var c = this.plugins.cursor;
+
+        if (c.show) {
+            $.jqplot.eventListenerHooks.push(['jqplotMouseEnter', handleMouseEnter]);
+            $.jqplot.eventListenerHooks.push(['jqplotMouseLeave', handleMouseLeave]);
+            $.jqplot.eventListenerHooks.push(['jqplotMouseMove', handleMouseMove]);
+            
+            if (c.showCursorLegend) {              
+                opts.legend = opts.legend || {};
+                opts.legend.renderer =  $.jqplot.CursorLegendRenderer;
+                opts.legend.formatString = this.plugins.cursor.cursorLegendFormatString;
+                opts.legend.show = true;
+            }
+            
+            if (c.zoom) {
+                $.jqplot.eventListenerHooks.push(['jqplotMouseDown', handleMouseDown]);
+                
+                if (c.clickReset) {
+                    $.jqplot.eventListenerHooks.push(['jqplotClick', handleClick]);
+                }
+                
+                if (c.dblClickReset) {
+                    $.jqplot.eventListenerHooks.push(['jqplotDblClick', handleDblClick]);
+                }             
+            }
+    
+            this.resetZoom = function() {
+                var axes = this.axes;
+                if (!c.zoomProxy) {
+                    for (var ax in axes) {
+                        axes[ax].reset();
+                        axes[ax]._ticks = [];
+                        // fake out tick creation algorithm to make sure original auto
+                        // computed format string is used if _overrideFormatString is true
+                        if (c._zoom.axes[ax] !== undefined) {
+                            axes[ax]._autoFormatString = c._zoom.axes[ax].tickFormatString;
+                        }
+                    }
+                    this.redraw();
+                }
+                else {
+                    var ctx = this.plugins.cursor.zoomCanvas._ctx;
+                    ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+                    ctx = null;
+                }
+                this.plugins.cursor._zoom.isZoomed = false;
+                this.target.trigger('jqplotResetZoom', [this, this.plugins.cursor]);
+            };
+            
+
+            if (c.showTooltipDataPosition) {
+                c.showTooltipUnitPosition = false;
+                c.showTooltipGridPosition = false;
+                if (options.cursor.tooltipFormatString == undefined) {
+                    c.tooltipFormatString = $.jqplot.Cursor.cursorLegendFormatString;
+                }
+            }
+        }
+    };
+    
+    // called with context of plot
+    $.jqplot.Cursor.postDraw = function() {
+        var c = this.plugins.cursor;
+        
+        // Memory Leaks patch
+        if (c.zoomCanvas) {
+            c.zoomCanvas.resetCanvas();
+            c.zoomCanvas = null;
+        }
+        
+        if (c.cursorCanvas) {
+            c.cursorCanvas.resetCanvas();
+            c.cursorCanvas = null;
+        }
+        
+        if (c._tooltipElem) {
+            c._tooltipElem.emptyForce();
+            c._tooltipElem = null;
+        }
+
+        
+        if (c.zoom) {
+            c.zoomCanvas = new $.jqplot.GenericCanvas();
+            this.eventCanvas._elem.before(c.zoomCanvas.createElement(this._gridPadding, 'jqplot-zoom-canvas', this._plotDimensions, this));
+            c.zoomCanvas.setContext();
+        }
+
+        var elem = document.createElement('div');
+        c._tooltipElem = $(elem);
+        elem = null;
+        c._tooltipElem.addClass('jqplot-cursor-tooltip');
+        c._tooltipElem.css({position:'absolute', display:'none'});
+        
+        
+        if (c.zoomCanvas) {
+            c.zoomCanvas._elem.before(c._tooltipElem);
+        }
+
+        else {
+            this.eventCanvas._elem.before(c._tooltipElem);
+        }
+
+        if (c.showVerticalLine || c.showHorizontalLine) {
+            c.cursorCanvas = new $.jqplot.GenericCanvas();
+            this.eventCanvas._elem.before(c.cursorCanvas.createElement(this._gridPadding, 'jqplot-cursor-canvas', this._plotDimensions, this));
+            c.cursorCanvas.setContext();
+        }
+
+        // if we are showing the positions in unit coordinates, and no axes groups
+        // were specified, create a default set.
+        if (c.showTooltipUnitPosition){
+            if (c.tooltipAxisGroups.length === 0) {
+                var series = this.series;
+                var s;
+                var temp = [];
+                for (var i=0; i<series.length; i++) {
+                    s = series[i];
+                    var ax = s.xaxis+','+s.yaxis;
+                    if ($.inArray(ax, temp) == -1) {
+                        temp.push(ax);
+                    }
+                }
+                for (var i=0; i<temp.length; i++) {
+                    c.tooltipAxisGroups.push(temp[i].split(','));
+                }
+            }
+        }
+    };
+    
+    // Group: methods
+    //
+    // method: $.jqplot.Cursor.zoomProxy
+    // links targetPlot to controllerPlot so that plot zooming of
+    // targetPlot will be controlled by zooming on the controllerPlot.
+    // controllerPlot will not actually zoom, but acts as an
+    // overview plot.  Note, the zoom options must be set to true for
+    // zoomProxy to work.
+    $.jqplot.Cursor.zoomProxy = function(targetPlot, controllerPlot) {
+        var tc = targetPlot.plugins.cursor;
+        var cc = controllerPlot.plugins.cursor;
+        tc.zoomTarget = true;
+        tc.zoom = true;
+        tc.style = 'auto';
+        tc.dblClickReset = false;
+        cc.zoom = true;
+        cc.zoomProxy = true;
+              
+        controllerPlot.target.bind('jqplotZoom', plotZoom);
+        controllerPlot.target.bind('jqplotResetZoom', plotReset);
+
+        function plotZoom(ev, gridpos, datapos, plot, cursor) {
+            tc.doZoom(gridpos, datapos, targetPlot, cursor);
+        } 
+
+        function plotReset(ev, plot, cursor) {
+            targetPlot.resetZoom();
+        }
+    };
+    
+    $.jqplot.Cursor.prototype.resetZoom = function(plot, cursor) {
+        var axes = plot.axes;
+        var series = plot.series;
+        var cax = cursor._zoom.axes;
+        var cser = cursor._data_series;
+        if (!plot.plugins.cursor.zoomProxy && cursor._zoom.isZoomed) {
+            for (var ax in axes) {
+                // axes[ax]._ticks = [];
+                // axes[ax].min = cax[ax].min;
+                // axes[ax].max = cax[ax].max;
+                // axes[ax].numberTicks = cax[ax].numberTicks; 
+                // axes[ax].tickInterval = cax[ax].tickInterval;
+                // // for date axes
+                // axes[ax].daTickInterval = cax[ax].daTickInterval;
+                axes[ax].ticks = cax[ax].ticks;
+                axes[ax].reset();
+                axes[ax]._ticks = [];
+                // fake out tick creation algorithm to make sure original auto
+                // computed format string is used if _overrideFormatString is true
+                axes[ax]._autoFormatString = cax[ax].tickFormatString;
+            }
+            if (cser){
+                for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+                    series[idxSerie].data = cser[idxSerie];
+                }
+            }
+            plot.redraw();
+            cursor._zoom.isZoomed = false;
+        }
+        else {
+            var ctx = cursor.zoomCanvas._ctx;
+            ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+            ctx = null;
+        }
+        plot.target.trigger('jqplotResetZoom', [plot, cursor]);
+    };
+    
+    $.jqplot.Cursor.resetZoom = function(plot) {
+        plot.resetZoom();
+    };
+    
+    $.jqplot.Cursor.prototype.doZoom = function (gridpos, datapos, plot, cursor) {
+        var c = cursor;
+        var axes = plot.axes;
+        var series = plot.series;
+        var zaxes = c._zoom.axes;
+        var start = zaxes.start;
+        var end = zaxes.end;
+        var min, max, dp, span,
+            newmin, newmax, curax, _numberTicks, ret;
+        var ctx = plot.plugins.cursor.zoomCanvas._ctx;
+        // don't zoom if zoom area is too small (in pixels)
+        if ((c.constrainZoomTo == 'none' && Math.abs(gridpos.x - c._zoom.start[0]) > 6 && Math.abs(gridpos.y - c._zoom.start[1]) > 6) || (c.constrainZoomTo == 'x' && Math.abs(gridpos.x - c._zoom.start[0]) > 6) ||  (c.constrainZoomTo == 'y' && Math.abs(gridpos.y - c._zoom.start[1]) > 6)) {
+            if (!plot.plugins.cursor.zoomProxy) {
+                for (var ax in datapos) {
+                    // make a copy of the original axes to revert back.
+                    if (c._zoom.axes[ax] == undefined) {
+                        c._zoom.axes[ax] = {};
+                        c._zoom.axes[ax].ticks = axes[ax].ticks;
+                        c._zoom.axes[ax].numberTicks = axes[ax].numberTicks;
+                        c._zoom.axes[ax].tickInterval = axes[ax].tickInterval;
+                        // for date axes...
+                        c._zoom.axes[ax].daTickInterval = axes[ax].daTickInterval;
+                        c._zoom.axes[ax].min = axes[ax].min;
+                        c._zoom.axes[ax].max = axes[ax].max;
+                        c._zoom.axes[ax].tickFormatString = (axes[ax].tickOptions != null) ? axes[ax].tickOptions.formatString :  '';
+                    }
+                    // make a copy of the original data to revert back.
+                    if (c._data_series == undefined){
+                        c._data_series = new Array();
+                        for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+                            c._data_series.push(series[idxSerie].data);
+                        }
+                    }
+
+
+                    if ((c.constrainZoomTo == 'none') || (c.constrainZoomTo == 'x' && ax.charAt(0) == 'x') || (c.constrainZoomTo == 'y' && ax.charAt(0) == 'y')) {   
+                        dp = datapos[ax];
+                        if (dp != null) {           
+                            if (dp > start[ax]) { 
+                                newmin = start[ax];
+                                newmax = dp;
+                            }
+                            else {
+                                span = start[ax] - dp;
+                                newmin = dp;
+                                newmax = start[ax];
+                            }
+
+                            curax = axes[ax];
+
+                            _numberTicks = null;
+
+                            // if aligning this axis, use number of ticks from previous axis.
+                            // Do I need to reset somehow if alignTicks is changed and then graph is replotted??
+                            if (curax.alignTicks) {
+                                if (curax.name === 'x2axis' && plot.axes.xaxis.show) {
+                                    _numberTicks = plot.axes.xaxis.numberTicks;
+                                }
+                                else if (curax.name.charAt(0) === 'y' && curax.name !== 'yaxis' && curax.name !== 'yMidAxis' && plot.axes.yaxis.show) {
+                                    _numberTicks = plot.axes.yaxis.numberTicks;
+                                }
+                            }
+
+                            if (axes[ax].renderer.constructor === $.jqplot.CategoryAxisRenderer && curax.name === "xaxis") {  // only managed for x
+                                var tickDelta = axes[ax].max / axes[ax].ticks.length;
+                                var currentValue = 0;
+                                var currentData = new Array();
+                                var newTicks = new Array();
+                                // only get the relevant ticks and filter data
+                                for (var idxTick=0 ; idxTick < axes[ax].ticks.length; idxTick++) {
+                                    if (currentValue >= newmin && currentValue <= newmax){
+                                        newTicks.push(axes[ax].ticks[idxTick]);
+                                        for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+                                            if (currentData.length <= idxSerie) currentData.push(new Array());
+                                            currentData[idxSerie].push(
+                                                [newTicks.length, series[idxSerie].data[idxTick][1]]);
+                                        }
+                                    }
+                                    currentValue += tickDelta;
+                                }
+                                if (newTicks.length){
+                                    axes[ax].min = newmin;
+                                    axes[ax].max = newmax;
+                                    axes[ax].ticks = newTicks;
+                                    for (var idxSerie=0 ; idxSerie < series.length; idxSerie++) {
+                                        series[idxSerie].data = currentData[idxSerie];
+                                    }
+                                }
+                            }
+                            else if (this.looseZoom && (axes[ax].renderer.constructor === $.jqplot.LinearAxisRenderer || axes[ax].renderer.constructor === $.jqplot.LogAxisRenderer )) { //} || axes[ax].renderer.constructor === $.jqplot.DateAxisRenderer)) {
+
+                                ret = $.jqplot.LinearTickGenerator(newmin, newmax, curax._scalefact, _numberTicks);
+
+                                // if new minimum is less than "true" minimum of axis display, adjust it
+                                if (axes[ax].tickInset && ret[0] < axes[ax].min + axes[ax].tickInset * axes[ax].tickInterval) {
+                                    ret[0] += ret[4];
+                                    ret[2] -= 1;
+                                }
+
+                                // if new maximum is greater than "true" max of axis display, adjust it
+                                if (axes[ax].tickInset && ret[1] > axes[ax].max - axes[ax].tickInset * axes[ax].tickInterval) {
+                                    ret[1] -= ret[4];
+                                    ret[2] -= 1;
+                                }
+
+                                // for log axes, don't fall below current minimum, this will look bad and can't have 0 in range anyway.
+                                if (axes[ax].renderer.constructor === $.jqplot.LogAxisRenderer && ret[0] < axes[ax].min) {
+                                    // remove a tick and shift min up
+                                    ret[0] += ret[4];
+                                    ret[2] -= 1;
+                                }
+                                axes[ax].min = ret[0];
+                                axes[ax].max = ret[1];
+                                axes[ax]._autoFormatString = ret[3];
+                                axes[ax].numberTicks = ret[2];
+                                axes[ax].tickInterval = ret[4];
+                                // for date axes...
+                                axes[ax].daTickInterval = [ret[4]/1000, 'seconds'];
+                            }
+                            else {
+                                axes[ax].min = newmin;
+                                axes[ax].max = newmax;
+                                axes[ax].tickInterval = null;
+                                axes[ax].numberTicks = null;
+                                // for date axes...
+                                axes[ax].daTickInterval = null;
+                            }
+
+                            axes[ax]._ticks = [];
+                        }
+                    }
+                }
+                for (var ax in datapos) {
+                    if ((c.constrainZoomTo == 'x' && ax.charAt(0) == 'y' && c.autoscaleConstraint)) {
+                        dp = datapos[ax];
+                        if (dp != null) {
+                            curax = axes[ax];
+                            
+                            curax.min = axes[ax]._options.min;
+                            curax.max = axes[ax]._options.max;
+                            
+                            if (axes[ax]._options.min == null || axes[ax]._options.max == null) {
+                                var seriesMin = null;
+                                var seriesMax = null;
+                                $.each(plot.series, function(seriesIdx, seriesObj) {
+                                   if (seriesObj.yaxis == ax) {
+                                       var xaxis = axes[seriesObj.xaxis];
+                                       var i;
+                                       var d = seriesObj._plotData;
+                                       for (i = 0; i < d.length; i++) {
+                                           var point = d[i];
+                                           if (point[0] >= xaxis.min && point[0] <= xaxis.max) {
+                                               if (seriesMin == null || point[1] < seriesMin) {
+                                                   seriesMin = point[1];
+                                               }
+                                               if (seriesMax == null || point[1] > seriesMax) {
+                                                   seriesMax = point[1];
+                                               }
+                                           }
+                                       }
+                                   }
+                                });
+                                
+                                if (axes[ax]._options.min != null) {
+                                    seriesMin = axes[ax]._options.min;
+                                }
+                                if (axes[ax]._options.max != null) {
+                                    seriesMax = axes[ax]._options.max;
+                                }
+                                var r = $.jqplot.LinearTickGenerator(seriesMin, seriesMax, null, null, (axes[ax]._options.min != null), (axes[ax]._options.max != null));
+                                curax.min = r[0];
+                                curax.max = r[1];
+                                curax.tickInterval = null;
+                                curax.numberTicks = null;
+                            }
+                        }
+                    }
+                }
+                ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+                plot.redraw();
+                c._zoom.isZoomed = true;
+                ctx = null;
+            }
+            plot.target.trigger('jqplotZoom', [gridpos, datapos, plot, cursor]);
+        }
+    };
+    
+    $.jqplot.preInitHooks.push($.jqplot.Cursor.init);
+    $.jqplot.postDrawHooks.push($.jqplot.Cursor.postDraw);
+    
+    function updateTooltip(gridpos, datapos, plot) {
+        var c = plot.plugins.cursor;
+        var s = '';
+        var addbr = false;
+        if (c.showTooltipGridPosition) {
+            s = gridpos.x+', '+gridpos.y;
+            addbr = true;
+        }
+        if (c.showTooltipUnitPosition) {
+            var g;
+            for (var i=0; i<c.tooltipAxisGroups.length; i++) {
+                g = c.tooltipAxisGroups[i];
+                if (addbr) {
+                    s += '<br />';
+                }
+                if (c.useAxesFormatters) {
+                    for (var j=0; j<g.length; j++) {
+                        if (j) {
+                            s += ', ';
+                        }
+                        var af = plot.axes[g[j]]._ticks[0].formatter;
+                        var afstr = plot.axes[g[j]]._ticks[0].formatString;
+                        s += af(afstr, datapos[g[j]]);
+                    }
+                }
+                else {
+                    s += $.jqplot.sprintf(c.tooltipFormatString, datapos[g[0]], datapos[g[1]]);
+                }
+                addbr = true;
+            }
+        }
+        
+        if (c.showTooltipDataPosition) {
+            var series = plot.series; 
+            var ret = getIntersectingPoints(plot, gridpos.x, gridpos.y);
+            var addbr = false;
+        
+            for (var i = 0; i< series.length; i++) {
+                if (series[i].show) {
+                    var idx = series[i].index;
+                    var label = series[i].label.toString();
+                    var cellid = $.inArray(idx, ret.indices);
+                    var sx = undefined;
+                    var sy = undefined;
+                    if (cellid != -1) {
+                        var data = ret.data[cellid].data;
+                        if (c.useAxesFormatters) {
+                            var xf = series[i]._xaxis._ticks[0].formatter;
+                            var yf = series[i]._yaxis._ticks[0].formatter;
+                            var xfstr = series[i]._xaxis._ticks[0].formatString;
+                            var yfstr = series[i]._yaxis._ticks[0].formatString;
+                            sx = xf(xfstr, data[0]);
+                            sy = yf(yfstr, data[1]);
+                        }
+                        else {
+                            sx = data[0];
+                            sy = data[1];
+                        }
+                        if (addbr) {
+                            s += '<br />';
+                        }
+                        s += $.jqplot.sprintf(c.tooltipFormatString, label, sx, sy);
+                        addbr = true;
+                    }
+                }
+            }
+            
+        }
+        c._tooltipElem.html(s);
+    }
+    
+    function moveLine(gridpos, plot) {
+        var c = plot.plugins.cursor;
+        var ctx = c.cursorCanvas._ctx;
+        ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+        if (c.showVerticalLine) {
+            c.shapeRenderer.draw(ctx, [[gridpos.x, 0], [gridpos.x, ctx.canvas.height]]);
+        }
+        if (c.showHorizontalLine) {
+            c.shapeRenderer.draw(ctx, [[0, gridpos.y], [ctx.canvas.width, gridpos.y]]);
+        }
+        var ret = getIntersectingPoints(plot, gridpos.x, gridpos.y);
+        if (c.showCursorLegend) {
+            var cells = $(plot.targetId + ' td.jqplot-cursor-legend-label');
+            for (var i=0; i<cells.length; i++) {
+                var idx = $(cells[i]).data('seriesIndex');
+                var series = plot.series[idx];
+                var label = series.label.toString();
+                var cellid = $.inArray(idx, ret.indices);
+                var sx = undefined;
+                var sy = undefined;
+                if (cellid != -1) {
+                    var data = ret.data[cellid].data;
+                    if (c.useAxesFormatters) {
+                        var xf = series._xaxis._ticks[0].formatter;
+                        var yf = series._yaxis._ticks[0].formatter;
+                        var xfstr = series._xaxis._ticks[0].formatString;
+                        var yfstr = series._yaxis._ticks[0].formatString;
+                        sx = xf(xfstr, data[0]);
+                        sy = yf(yfstr, data[1]);
+                    }
+                    else {
+                        sx = data[0];
+                        sy = data[1];
+                    }
+                }
+                if (plot.legend.escapeHtml) {
+                    $(cells[i]).text($.jqplot.sprintf(c.cursorLegendFormatString, label, sx, sy));
+                }
+                else {
+                    $(cells[i]).html($.jqplot.sprintf(c.cursorLegendFormatString, label, sx, sy));
+                }
+            }        
+        }
+        ctx = null;
+    }
+        
+    function getIntersectingPoints(plot, x, y) {
+        var ret = {indices:[], data:[]};
+        var s, i, d0, d, j, r, p;
+        var threshold;
+        var c = plot.plugins.cursor;
+        for (var i=0; i<plot.series.length; i++) {
+            s = plot.series[i];
+            r = s.renderer;
+            if (s.show) {
+                threshold = c.intersectionThreshold;
+                if (s.showMarker) {
+                    threshold += s.markerRenderer.size/2;
+                }
+                for (var j=0; j<s.gridData.length; j++) {
+                    p = s.gridData[j];
+                    // check vertical line
+                    if (c.showVerticalLine) {
+                        if (Math.abs(x-p[0]) <= threshold) {
+                            ret.indices.push(i);
+                            ret.data.push({seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]});
+                        }
+                    }
+                } 
+            }
+        }
+        return ret;
+    }
+    
+    function moveTooltip(gridpos, plot) {
+        var c = plot.plugins.cursor;  
+        var elem = c._tooltipElem;
+        switch (c.tooltipLocation) {
+            case 'nw':
+                var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true) - c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top - c.tooltipOffset - elem.outerHeight(true);
+                break;
+            case 'n':
+                var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true)/2;
+                var y = gridpos.y + plot._gridPadding.top - c.tooltipOffset - elem.outerHeight(true);
+                break;
+            case 'ne':
+                var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top - c.tooltipOffset - elem.outerHeight(true);
+                break;
+            case 'e':
+                var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top - elem.outerHeight(true)/2;
+                break;
+            case 'se':
+                var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+                break;
+            case 's':
+                var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true)/2;
+                var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+                break;
+            case 'sw':
+                var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true) - c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+                break;
+            case 'w':
+                var x = gridpos.x + plot._gridPadding.left - elem.outerWidth(true) - c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top - elem.outerHeight(true)/2;
+                break;
+            default:
+                var x = gridpos.x + plot._gridPadding.left + c.tooltipOffset;
+                var y = gridpos.y + plot._gridPadding.top + c.tooltipOffset;
+                break;
+        }
+            
+        elem.css('left', x);
+        elem.css('top', y);
+        elem = null;
+    }
+    
+    function positionTooltip(plot) { 
+        // fake a grid for positioning
+        var grid = plot._gridPadding; 
+        var c = plot.plugins.cursor;
+        var elem = c._tooltipElem;  
+        switch (c.tooltipLocation) {
+            case 'nw':
+                var a = grid.left + c.tooltipOffset;
+                var b = grid.top + c.tooltipOffset;
+                elem.css('left', a);
+                elem.css('top', b);
+                break;
+            case 'n':
+                var a = (grid.left + (plot._plotDimensions.width - grid.right))/2 - elem.outerWidth(true)/2;
+                var b = grid.top + c.tooltipOffset;
+                elem.css('left', a);
+                elem.css('top', b);
+                break;
+            case 'ne':
+                var a = grid.right + c.tooltipOffset;
+                var b = grid.top + c.tooltipOffset;
+                elem.css({right:a, top:b});
+                break;
+            case 'e':
+                var a = grid.right + c.tooltipOffset;
+                var b = (grid.top + (plot._plotDimensions.height - grid.bottom))/2 - elem.outerHeight(true)/2;
+                elem.css({right:a, top:b});
+                break;
+            case 'se':
+                var a = grid.right + c.tooltipOffset;
+                var b = grid.bottom + c.tooltipOffset;
+                elem.css({right:a, bottom:b});
+                break;
+            case 's':
+                var a = (grid.left + (plot._plotDimensions.width - grid.right))/2 - elem.outerWidth(true)/2;
+                var b = grid.bottom + c.tooltipOffset;
+                elem.css({left:a, bottom:b});
+                break;
+            case 'sw':
+                var a = grid.left + c.tooltipOffset;
+                var b = grid.bottom + c.tooltipOffset;
+                elem.css({left:a, bottom:b});
+                break;
+            case 'w':
+                var a = grid.left + c.tooltipOffset;
+                var b = (grid.top + (plot._plotDimensions.height - grid.bottom))/2 - elem.outerHeight(true)/2;
+                elem.css({left:a, top:b});
+                break;
+            default:  // same as 'se'
+                var a = grid.right - c.tooltipOffset;
+                var b = grid.bottom + c.tooltipOffset;
+                elem.css({right:a, bottom:b});
+                break;
+        }
+        elem = null;
+    }
+    
+    function handleClick (ev, gridpos, datapos, neighbor, plot) {
+        ev.preventDefault();
+        ev.stopImmediatePropagation();
+        var c = plot.plugins.cursor;
+        if (c.clickReset) {
+            c.resetZoom(plot, c);
+        }
+        var sel = window.getSelection;
+        if (document.selection && document.selection.empty)
+        {
+            document.selection.empty();
+        }
+        else if (sel && !sel().isCollapsed) {
+            sel().collapse();
+        }
+        return false;
+    }
+    
+    function handleDblClick (ev, gridpos, datapos, neighbor, plot) {
+        ev.preventDefault();
+        ev.stopImmediatePropagation();
+        var c = plot.plugins.cursor;
+        if (c.dblClickReset) {
+            c.resetZoom(plot, c);
+        }
+        var sel = window.getSelection;
+        if (document.selection && document.selection.empty)
+        {
+            document.selection.empty();
+        }
+        else if (sel && !sel().isCollapsed) {
+            sel().collapse();
+        }
+        return false;
+    }
+    
+    function handleMouseLeave(ev, gridpos, datapos, neighbor, plot) {
+        var c = plot.plugins.cursor;
+        c.onGrid = false;
+        if (c.show) {
+            $(ev.target).css('cursor', c.previousCursor);
+            if (c.showTooltip && !(c._zoom.zooming && c.showTooltipOutsideZoom && !c.constrainOutsideZoom)) {
+                c._tooltipElem.empty();
+                c._tooltipElem.hide();
+            }
+            if (c.zoom) {
+                c._zoom.gridpos = gridpos;
+                c._zoom.datapos = datapos;
+            }
+            if (c.showVerticalLine || c.showHorizontalLine) {
+                var ctx = c.cursorCanvas._ctx;
+                ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+                ctx = null;
+            }
+            if (c.showCursorLegend) {
+                var cells = $(plot.targetId + ' td.jqplot-cursor-legend-label');
+                for (var i=0; i<cells.length; i++) {
+                    var idx = $(cells[i]).data('seriesIndex');
+                    var series = plot.series[idx];
+                    var label = series.label.toString();
+                    if (plot.legend.escapeHtml) {
+                        $(cells[i]).text($.jqplot.sprintf(c.cursorLegendFormatString, label, undefined, undefined));
+                    }
+                    else {
+                        $(cells[i]).html($.jqplot.sprintf(c.cursorLegendFormatString, label, undefined, undefined));
+                    }
+                
+                }        
+            }
+        }
+    }
+    
+    function handleMouseEnter(ev, gridpos, datapos, neighbor, plot) {
+        var c = plot.plugins.cursor;
+        c.onGrid = true;
+        if (c.show) {
+            c.previousCursor = ev.target.style.cursor;
+            ev.target.style.cursor = c.style;
+            if (c.showTooltip) {
+                updateTooltip(gridpos, datapos, plot);
+                if (c.followMouse) {
+                    moveTooltip(gridpos, plot);
+                }
+                else {
+                    positionTooltip(plot);
+                }
+                c._tooltipElem.show();
+            }
+            if (c.showVerticalLine || c.showHorizontalLine) {
+                moveLine(gridpos, plot);
+            }
+        }
+
+    }    
+    
+    function handleMouseMove(ev, gridpos, datapos, neighbor, plot) {
+        var c = plot.plugins.cursor;
+        if (c.show) {
+            if (c.showTooltip) {
+                updateTooltip(gridpos, datapos, plot);
+                if (c.followMouse) {
+                    moveTooltip(gridpos, plot);
+                }
+            }
+            if (c.showVerticalLine || c.showHorizontalLine) {
+                moveLine(gridpos, plot);
+            }
+        }
+    }
+            
+    function getEventPosition(ev) {
+        var plot = ev.data.plot;
+        var go = plot.eventCanvas._elem.offset();
+        var gridPos = {x:ev.pageX - go.left, y:ev.pageY - go.top};
+        //////
+        // TO DO: handle yMidAxis
+        //////
+        var dataPos = {xaxis:null, yaxis:null, x2axis:null, y2axis:null, y3axis:null, y4axis:null, y5axis:null, y6axis:null, y7axis:null, y8axis:null, y9axis:null, yMidAxis:null};
+        var an = ['xaxis', 'yaxis', 'x2axis', 'y2axis', 'y3axis', 'y4axis', 'y5axis', 'y6axis', 'y7axis', 'y8axis', 'y9axis', 'yMidAxis'];
+        var ax = plot.axes;
+        var n, axis;
+        for (n=11; n>0; n--) {
+            axis = an[n-1];
+            if (ax[axis].show) {
+                dataPos[axis] = ax[axis].series_p2u(gridPos[axis.charAt(0)]);
+            }
+        }
+
+        return {offsets:go, gridPos:gridPos, dataPos:dataPos};
+    }    
+    
+    function handleZoomMove(ev) {
+        var plot = ev.data.plot;
+        var c = plot.plugins.cursor;
+        // don't do anything if not on grid.
+        if (c.show && c.zoom && c._zoom.started && !c.zoomTarget) {
+            ev.preventDefault();
+            var ctx = c.zoomCanvas._ctx;
+            var positions = getEventPosition(ev);
+            var gridpos = positions.gridPos;
+            var datapos = positions.dataPos;
+            c._zoom.gridpos = gridpos;
+            c._zoom.datapos = datapos;
+            c._zoom.zooming = true;
+            var xpos = gridpos.x;
+            var ypos = gridpos.y;
+            var height = ctx.canvas.height;
+            var width = ctx.canvas.width;
+            if (c.showTooltip && !c.onGrid && c.showTooltipOutsideZoom) {
+                updateTooltip(gridpos, datapos, plot);
+                if (c.followMouse) {
+                    moveTooltip(gridpos, plot);
+                }
+            }
+            if (c.constrainZoomTo == 'x') {
+                c._zoom.end = [xpos, height];
+            }
+            else if (c.constrainZoomTo == 'y') {
+                c._zoom.end = [width, ypos];
+            }
+            else {
+                c._zoom.end = [xpos, ypos];
+            }
+            var sel = window.getSelection;
+            if (document.selection && document.selection.empty)
+            {
+                document.selection.empty();
+            }
+            else if (sel && !sel().isCollapsed) {
+                sel().collapse(ev.currentTarget, 0);
+            }
+            drawZoomBox.call(c);
+            ctx = null;
+        }
+    }
+    
+    function handleMouseDown(ev, gridpos, datapos, neighbor, plot) {
+        var c = plot.plugins.cursor;
+        if(plot.plugins.mobile){
+            $(document).one('vmouseup.jqplot_cursor', {plot:plot}, handleMouseUp);
+        } else {
+            $(document).one('mouseup.jqplot_cursor', {plot:plot}, handleMouseUp);
+        }
+        var axes = plot.axes;
+        if (document.onselectstart != undefined) {
+            c._oldHandlers.onselectstart = document.onselectstart;
+            document.onselectstart = function () { return false; };
+        }
+        if (document.ondrag != undefined) {
+            c._oldHandlers.ondrag = document.ondrag;
+            document.ondrag = function () { return false; };
+        }
+        if (document.onmousedown != undefined) {
+            c._oldHandlers.onmousedown = document.onmousedown;
+            document.onmousedown = function () { return false; };
+        }
+        if (c.zoom) {
+            if (!c.zoomProxy) {
+                var ctx = c.zoomCanvas._ctx;
+                ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+                ctx = null;
+            }
+            if (c.constrainZoomTo == 'x') {
+                c._zoom.start = [gridpos.x, 0];
+            }
+            else if (c.constrainZoomTo == 'y') {
+                c._zoom.start = [0, gridpos.y];
+            }
+            else {
+                c._zoom.start = [gridpos.x, gridpos.y];
+            }
+            c._zoom.started = true;
+            for (var ax in datapos) {
+                // get zoom starting position.
+                c._zoom.axes.start[ax] = datapos[ax];
+            }  
+           if(plot.plugins.mobile){
+                $(document).bind('vmousemove.jqplotCursor', {plot:plot}, handleZoomMove);              
+            } else {
+                $(document).bind('mousemove.jqplotCursor', {plot:plot}, handleZoomMove);              
+            }
+
+        }
+    }
+    
+    function handleMouseUp(ev) {
+        var plot = ev.data.plot;
+        var c = plot.plugins.cursor;
+        if (c.zoom && c._zoom.zooming && !c.zoomTarget) {
+            var xpos = c._zoom.gridpos.x;
+            var ypos = c._zoom.gridpos.y;
+            var datapos = c._zoom.datapos;
+            var height = c.zoomCanvas._ctx.canvas.height;
+            var width = c.zoomCanvas._ctx.canvas.width;
+            var axes = plot.axes;
+            
+            if (c.constrainOutsideZoom && !c.onGrid) {
+                if (xpos < 0) { xpos = 0; }
+                else if (xpos > width) { xpos = width; }
+                if (ypos < 0) { ypos = 0; }
+                else if (ypos > height) { ypos = height; }
+                
+                for (var axis in datapos) {
+                    if (datapos[axis]) {
+                        if (axis.charAt(0) == 'x') {
+                            datapos[axis] = axes[axis].series_p2u(xpos);
+                        }
+                        else {
+                            datapos[axis] = axes[axis].series_p2u(ypos);
+                        }
+                    }
+                }
+            }
+            
+            if (c.constrainZoomTo == 'x') {
+                ypos = height;
+            }
+            else if (c.constrainZoomTo == 'y') {
+                xpos = width;
+            }
+            c._zoom.end = [xpos, ypos];
+            c._zoom.gridpos = {x:xpos, y:ypos};
+            
+            c.doZoom(c._zoom.gridpos, datapos, plot, c);
+        }
+        c._zoom.started = false;
+        c._zoom.zooming = false;
+        
+        $(document).unbind('mousemove.jqplotCursor', handleZoomMove);
+        
+        if (document.onselectstart != undefined && c._oldHandlers.onselectstart != null){
+            document.onselectstart = c._oldHandlers.onselectstart;
+            c._oldHandlers.onselectstart = null;
+        }
+        if (document.ondrag != undefined && c._oldHandlers.ondrag != null){
+            document.ondrag = c._oldHandlers.ondrag;
+            c._oldHandlers.ondrag = null;
+        }
+        if (document.onmousedown != undefined && c._oldHandlers.onmousedown != null){
+            document.onmousedown = c._oldHandlers.onmousedown;
+            c._oldHandlers.onmousedown = null;
+        }
+
+    }
+    
+    function drawZoomBox() {
+        var start = this._zoom.start;
+        var end = this._zoom.end;
+        var ctx = this.zoomCanvas._ctx;
+        var l, t, h, w;
+        if (end[0] > start[0]) {
+            l = start[0];
+            w = end[0] - start[0];
+        }
+        else {
+            l = end[0];
+            w = start[0] - end[0];
+        }
+        if (end[1] > start[1]) {
+            t = start[1];
+            h = end[1] - start[1];
+        }
+        else {
+            t = end[1];
+            h = start[1] - end[1];
+        }
+        ctx.fillStyle = 'rgba(0,0,0,0.2)';
+        ctx.strokeStyle = '#999999';
+        ctx.lineWidth = 1.0;
+        ctx.clearRect(0,0,ctx.canvas.width, ctx.canvas.height);
+        ctx.fillRect(0,0,ctx.canvas.width, ctx.canvas.height);
+        ctx.clearRect(l, t, w, h);
+        // IE won't show transparent fill rect, so stroke a rect also.
+        ctx.strokeRect(l,t,w,h);
+        ctx = null;
+    }
+    
+    $.jqplot.CursorLegendRenderer = function(options) {
+        $.jqplot.TableLegendRenderer.call(this, options);
+        this.formatString = '%s';
+    };
+    
+    $.jqplot.CursorLegendRenderer.prototype = new $.jqplot.TableLegendRenderer();
+    $.jqplot.CursorLegendRenderer.prototype.constructor = $.jqplot.CursorLegendRenderer;
+    
+    // called in context of a Legend
+    $.jqplot.CursorLegendRenderer.prototype.draw = function() {
+        if (this._elem) {
+            this._elem.emptyForce();
+            this._elem = null;
+        }
+        if (this.show) {
+            var series = this._series, s;
+            // make a table.  one line label per row.
+            var elem = document.createElement('table');
+            this._elem = $(elem);
+            elem = null;
+            this._elem.addClass('jqplot-legend jqplot-cursor-legend');
+            this._elem.css('position', 'absolute');
+        
+            var pad = false;
+            for (var i = 0; i< series.length; i++) {
+                s = series[i];
+                if (s.show && s.showLabel) {
+                    var lt = $.jqplot.sprintf(this.formatString, s.label.toString());
+                    if (lt) {
+                        var color = s.color;
+                        if (s._stack && !s.fill) {
+                            color = '';
+                        }
+                        addrow.call(this, lt, color, pad, i);
+                        pad = true;
+                    }
+                    // let plugins add more rows to legend.  Used by trend line plugin.
+                    for (var j=0; j<$.jqplot.addLegendRowHooks.length; j++) {
+                        var item = $.jqplot.addLegendRowHooks[j].call(this, s);
+                        if (item) {
+                            addrow.call(this, item.label, item.color, pad);
+                            pad = true;
+                        } 
+                    }
+                }
+            }
+            series = s = null;
+            delete series;
+            delete s;
+        }
+        
+        function addrow(label, color, pad, idx) {
+            var rs = (pad) ? this.rowSpacing : '0';
+            var tr = $('<tr class="jqplot-legend jqplot-cursor-legend"></tr>').appendTo(this._elem);
+            tr.data('seriesIndex', idx);
+            $('<td class="jqplot-legend jqplot-cursor-legend-swatch" style="padding-top:'+rs+';">'+
+                '<div style="border:1px solid #cccccc;padding:0.2em;">'+
+                '<div class="jqplot-cursor-legend-swatch" style="background-color:'+color+';"></div>'+
+                '</div></td>').appendTo(tr);
+            var td = $('<td class="jqplot-legend jqplot-cursor-legend-label" style="vertical-align:middle;padding-top:'+rs+';"></td>');
+            td.appendTo(tr);
+            td.data('seriesIndex', idx);
+            if (this.escapeHtml) {
+                td.text(label);
+            }
+            else {
+                td.html(label);
+            }
+            tr = null;
+            td = null;
+        }
+        return this._elem;
+    };
+    
+})(jQuery);
-- 
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