--- a/ckanext/ga_report/public/scripts/rickshaw_ie7_shim.js +++ b/ckanext/ga_report/public/scripts/rickshaw_ie7_shim.js @@ -1,1 +1,109 @@ +/* + * 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; + }; +} + +