57 lines
20 KiB
JavaScript
57 lines
20 KiB
JavaScript
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/**
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* jqPlot
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* Pure JavaScript plotting plugin using jQuery
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*
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* Version: 1.0.4r1121
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*
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* Copyright (c) 2009-2011 Chris Leonello
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* jqPlot is currently available for use in all personal or commercial projects
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* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
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* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
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* choose the license that best suits your project and use it accordingly.
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*
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* Although not required, the author would appreciate an email letting him
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* know of any substantial use of jqPlot. You can reach the author at:
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* chris at jqplot dot com or see http://www.jqplot.com/info.php .
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*
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* If you are feeling kind and generous, consider supporting the project by
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* making a donation at: http://www.jqplot.com/donate.php .
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*
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* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
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*
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* version 2007.04.27
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* author Ash Searle
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* http://hexmen.com/blog/2007/03/printf-sprintf/
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* http://hexmen.com/js/sprintf.js
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* The author (Ash Searle) has placed this code in the public domain:
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* "This code is unrestricted: you are free to use it however you like."
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*
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* included jsDate library by Chris Leonello:
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*
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* Copyright (c) 2010-2011 Chris Leonello
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*
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* jsDate is currently available for use in all personal or commercial projects
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* under both the MIT and GPL version 2.0 licenses. This means that you can
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* choose the license that best suits your project and use it accordingly.
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*
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* jsDate borrows many concepts and ideas from the Date Instance
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* Methods by Ken Snyder along with some parts of Ken's actual code.
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*
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* Ken's origianl Date Instance Methods and copyright notice:
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*
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* Ken Snyder (ken d snyder at gmail dot com)
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* 2008-09-10
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* version 2.0.2 (http://kendsnyder.com/sandbox/date/)
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* Creative Commons Attribution License 3.0 (http://creativecommons.org/licenses/by/3.0/)
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*
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* jqplotToImage function based on Larry Siden's export-jqplot-to-png.js.
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* Larry has generously given permission to adapt his code for inclusion
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* into jqPlot.
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*
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* Larry's original code can be found here:
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*
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* https://github.com/lsiden/export-jqplot-to-png
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*
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*
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*/
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(function(j){j.jqplot.Cursor=function(q){this.style="crosshair";this.previousCursor="auto";this.show=j.jqplot.config.enablePlugins;this.showTooltip=true;this.followMouse=false;this.tooltipLocation="se";this.tooltipOffset=6;this.showTooltipGridPosition=false;this.showTooltipUnitPosition=true;this.showTooltipDataPosition=false;this.tooltipFormatString="%.4P, %.4P";this.useAxesFormatters=true;this.tooltipAxisGroups=[];this.zoom=false;this.zoomProxy=false;this.zoomTarget=false;this.looseZoom=true;this.clickReset=false;this.dblClickReset=true;this.showVerticalLine=false;this.showHorizontalLine=false;this.constrainZoomTo="none";this.shapeRenderer=new j.jqplot.ShapeRenderer();this._zoom={start:[],end:[],started:false,zooming:false,isZoomed:false,axes:{start:{},end:{}},gridpos:{},datapos:{}};this._tooltipElem;this.zoomCanvas;this.cursorCanvas;this.intersectionThreshold=2;this.showCursorLegend=false;this.cursorLegendFormatString=j.jqplot.Cursor.cursorLegendFormatString;this._oldHandlers={onselectstart:null,ondrag:null,onmousedown:null};this.constrainOutsideZoom=true;this.showTooltipOutsideZoom=false;this.onGrid=false;j.extend(true,this,q)};j.jqplot.Cursor.cursorLegendFormatString="%s x:%s, y:%s";j.jqplot.Cursor.init=function(t,s,r){var q=r||{};this.plugins.cursor=new j.jqplot.Cursor(q.cursor);var u=this.plugins.cursor;if(u.show){j.jqplot.eventListenerHooks.push(["jqplotMouseEnter",b]);j.jqplot.eventListenerHooks.push(["jqplotMouseLeave",f]);j.jqplot.eventListenerHooks.push(["jqplotMouseMove",i]);if(u.showCursorLegend){r.legend=r.legend||{};r.legend.renderer=j.jqplot.CursorLegendRenderer;r.legend.formatString=this.plugins.cursor.cursorLegendFormatString;r.legend.show=true}if(u.zoom){j.jqplot.eventListenerHooks.push(["jqplotMouseDown",a]);if(u.clickReset){j.jqplot.eventListenerHooks.push(["jqplotClick",k])}if(u.dblClickReset){j.jqplot.eventListenerHooks.push(["jqplotDblClick",c])}}this.resetZoom=function(){var x=this.axes;if(!u.zoomProxy){for(var w in x){x[w].reset();x[w]._ticks=[];if(u._zoom.axes[w]!==undefined){x[w]._autoFormatString=u._zoom.axes[w].tickFormatString}}this.redraw()}else{var v=this.plugins.cursor.zoomCanvas._ctx;v.clearRect(0,0,v.canvas.width,v.canvas.height);v=null}this.plugins.cursor._zoom.isZoomed=false;this.target.trigger("jqplotResetZoom",[this,this.plugins.cursor])};if(u.showTooltipDataPosition){u.showTooltipUnitPosition=false;u.showTooltipGridPosition=false;if(q.cursor.tooltipFormatString==undefined){u.tooltipFormatString=j.jqplot.Cursor.cursorLegendFormatString}}}};j.jqplot.Cursor.postDraw=function(){var x=this.plugins.cursor;if(x.zoomCanvas){x.zoomCanvas.resetCanvas();x.zoomCanvas=null}if(x.cursorCanvas){x.cursorCanvas.resetCanvas();x.cursorCanvas=null}if(x._tooltipElem){x._tooltipElem.emptyForce();x._tooltipElem=null}if(x.zoom){x.zoomCanvas=new j.jqplot.GenericCanvas();this.eventCanvas._elem.before(x.zoomCanvas.createElement(this._gridPadding,"jqplot-zoom-canvas",this._plotDimensions,this));x.zoomCanvas.setContext()}var v=document.createElement("div");x._tooltipElem=j(v);v=null;x._tooltipElem.addClass("jqplot-cursor-tooltip");x._tooltipElem.css({position:"absolute",display:"none"});if(x.zoomCanvas){x.zoomCanvas._elem.before(x._tooltipElem)}else{this.eventCanvas._elem.before(x._tooltipElem)}if(x.showVerticalLine||x.showHorizontalLine){x.cursorCanvas=new j.jqplot.GenericCanvas();this.eventCanvas._elem.before(x.cursorCanvas.createElement(this._gridPadding,"jqplot-cursor-canvas",this._plotDimensions,this));x.cursorCanvas.setContext()}if(x.showTooltipUnitPosition){if(x.tooltipAxisGroups.length===0){var t=this.series;var u;var q=[];for(var r=0;r<t.length;r++){u=t[r];var w=u.xaxis+","+u.yaxis;if(j.inArray(w,q)==-1){q.push(w)}}for(var r=0;r<q.length;r++){x.tooltipAxisGroups.push(q[r].split(","))}}}};j.jqplot.Cursor.zoomProxy=function(v,r){var q=v.plugins.cursor;var u=r.plugins.cursor;q.zoomTarget=true;q.zoom=true;q.style="auto";q.dblClickReset=false;u.zoom=true;u.zoomProxy=true;r.target.bind("jqplotZoom",t);r.target.bind("jqplotResetZoom",s);function t(x,w,z,y,A){q.doZoom(w,z,v,A)}function s(w,x,y){v.resetZoom()
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