| /* | |
| * Collection of shims to allow d3 and Rickshaw to load, error-free | |
| * (but ultimately unusable) on Internet Explorer 7. The browser's | |
| * API lacks several crucial functions which these libraries depend | |
| * upon to load; we try to hide these errors from the user. | |
| * | |
| * With thanks to Array functions from: | |
| * http://stackoverflow.com/questions/2790001/fixing-javascript-array-functions-in-internet-explorer-indexof-foreach-etc | |
| * | |
| * Use (Modernizr.svg==true) to detect whether it's okay to draw a graph. | |
| */ | |
| 'use strict'; | |
| window.Element = window.Element || {'prototype': {}}; | |
| window.CSSStyleDeclaration = window.CSSStyleDeclaration || {'prototype':{}}; | |
| // Add ECMA262-5 method binding if not supported natively | |
| // | |
| if (!('bind' in Function.prototype)) { | |
| Function.prototype.bind= function(owner) { | |
| var that= this; | |
| if (arguments.length<=1) { | |
| return function() { | |
| return that.apply(owner, arguments); | |
| }; | |
| } else { | |
| var args= Array.prototype.slice.call(arguments, 1); | |
| return function() { | |
| return that.apply(owner, arguments.length===0? args : args.concat(Array.prototype.slice.call(arguments))); | |
| }; | |
| } | |
| }; | |
| } | |
| // Add ECMA262-5 string trim if not supported natively | |
| // | |
| if (!('trim' in String.prototype)) { | |
| String.prototype.trim= function() { | |
| return this.replace(/^\s+/, '').replace(/\s+$/, ''); | |
| }; | |
| } | |
| // Add ECMA262-5 Array methods if not supported natively | |
| // | |
| if (!('indexOf' in Array.prototype)) { | |
| Array.prototype.indexOf= function(find, i /*opt*/) { | |
| if (i===undefined) i= 0; | |
| if (i<0) i+= this.length; | |
| if (i<0) i= 0; | |
| for (var n= this.length; i<n; i++) | |
| if (i in this && this[i]===find) | |
| return i; | |
| return -1; | |
| }; | |
| } | |
| if (!('lastIndexOf' in Array.prototype)) { | |
| Array.prototype.lastIndexOf= function(find, i /*opt*/) { | |
| if (i===undefined) i= this.length-1; | |
| if (i<0) i+= this.length; | |
| if (i>this.length-1) i= this.length-1; | |
| for (i++; i-->0;) /* i++ because from-argument is sadly inclusive */ | |
| if (i in this && this[i]===find) | |
| return i; | |
| return -1; | |
| }; | |
| } | |
| if (!('forEach' in Array.prototype)) { | |
| Array.prototype.forEach= function(action, that /*opt*/) { | |
| for (var i= 0, n= this.length; i<n; i++) | |
| if (i in this) | |
| action.call(that, this[i], i, this); | |
| }; | |
| } | |
| if (!('map' in Array.prototype)) { | |
| Array.prototype.map= function(mapper, that /*opt*/) { | |
| var other= new Array(this.length); | |
| for (var i= 0, n= this.length; i<n; i++) | |
| if (i in this) | |
| other[i]= mapper.call(that, this[i], i, this); | |
| return other; | |
| }; | |
| } | |
| if (!('filter' in Array.prototype)) { | |
| Array.prototype.filter= function(filter, that /*opt*/) { | |
| var other= [], v; | |
| for (var i=0, n= this.length; i<n; i++) | |
| if (i in this && filter.call(that, v= this[i], i, this)) | |
| other.push(v); | |
| return other; | |
| }; | |
| } | |
| if (!('every' in Array.prototype)) { | |
| Array.prototype.every= function(tester, that /*opt*/) { | |
| for (var i= 0, n= this.length; i<n; i++) | |
| if (i in this && !tester.call(that, this[i], i, this)) | |
| return false; | |
| return true; | |
| }; | |
| } | |
| if (!('some' in Array.prototype)) { | |
| Array.prototype.some= function(tester, that /*opt*/) { | |
| for (var i= 0, n= this.length; i<n; i++) | |
| if (i in this && tester.call(that, this[i], i, this)) | |
| return true; | |
| return false; | |
| }; | |
| } | |