vendor/assets/javascripts/jqplot-plugins/jqplot.cursor.js in outfielding-jqplot-rails-1.0.8 vs vendor/assets/javascripts/jqplot-plugins/jqplot.cursor.js in outfielding-jqplot-rails-1.0.9

- old
+ new

@@ -1,1108 +1,1108 @@ -/** - * jqPlot - * Pure JavaScript plotting plugin using jQuery - * - * Version: 1.0.8 - * Revision: 1250 - * - * Copyright (c) 2009-2013 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 cax = cursor._zoom.axes; - 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].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; - } - 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 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].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 : ''; - } - - - 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 (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 = []; - } - } - - // if ((c.constrainZoomTo == 'x' && ax.charAt(0) == 'y' && c.autoscaleConstraint) || (c.constrainZoomTo == 'y' && ax.charAt(0) == 'x' && c.autoscaleConstraint)) { - // dp = datapos[ax]; - // if (dp != null) { - // axes[ax].max == null; - // axes[ax].min = 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(); - } - 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 = $('<td class="jqplot-legend jqplot-cursor-legend-label" style="vertical-align:middle;padding-top:'+rs+';"></td>'); - td.appendTo(tr); - td.data('seriesIndex', idx); - if (this.escapeHtml) { - td.text(label); - } - else { - td.html(label); - } - tr = null; - td = null; - } - return this._elem; - }; - -})(jQuery); +/** + * jqPlot + * Pure JavaScript plotting plugin using jQuery + * + * Version: 1.0.9 + * Revision: d96a669 + * + * Copyright (c) 2009-2016 Chris Leonello + * jqPlot is currently available for use in all personal or commercial projects + * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL + * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can + * choose the license that best suits your project and use it accordingly. + * + * Although not required, the author would appreciate an email letting him + * know of any substantial use of jqPlot. You can reach the author at: + * chris at jqplot dot com or see http://www.jqplot.com/info.php . + * + * If you are feeling kind and generous, consider supporting the project by + * making a donation at: http://www.jqplot.com/donate.php . + * + * sprintf functions contained in jqplot.sprintf.js by Ash Searle: + * + * version 2007.04.27 + * author Ash Searle + * http://hexmen.com/blog/2007/03/printf-sprintf/ + * http://hexmen.com/js/sprintf.js + * The author (Ash Searle) has placed this code in the public domain: + * "This code is unrestricted: you are free to use it however you like." + * + */ +(function($) { + + /** + * 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 cax = cursor._zoom.axes; + 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].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; + } + 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 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].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 : ''; + } + + + 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 (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 = []; + } + } + + // if ((c.constrainZoomTo == 'x' && ax.charAt(0) == 'y' && c.autoscaleConstraint) || (c.constrainZoomTo == 'y' && ax.charAt(0) == 'x' && c.autoscaleConstraint)) { + // dp = datapos[ax]; + // if (dp != null) { + // axes[ax].max == null; + // axes[ax].min = 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(); + } + 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);