|
| 1 | +'use strict'; |
| 2 | + |
| 3 | +(function(){ |
| 4 | + var svgDirectives = {}; |
| 5 | + |
| 6 | + angular.forEach([ |
| 7 | + 'clipPath', |
| 8 | + 'colorProfile', |
| 9 | + 'src', |
| 10 | + 'cursor', |
| 11 | + 'fill', |
| 12 | + 'filter', |
| 13 | + 'marker', |
| 14 | + 'markerStart', |
| 15 | + 'markerMid', |
| 16 | + 'markerEnd', |
| 17 | + 'mask', |
| 18 | + 'stroke' |
| 19 | + ], |
| 20 | + function(attr) { |
| 21 | + svgDirectives[attr] = [ |
| 22 | + '$rootScope', |
| 23 | + '$location', |
| 24 | + '$interpolate', |
| 25 | + '$sniffer', |
| 26 | + 'urlResolve', |
| 27 | + 'computeSVGAttrValue', |
| 28 | + 'svgAttrExpressions', |
| 29 | + function( |
| 30 | + $rootScope, |
| 31 | + $location, |
| 32 | + $interpolate, |
| 33 | + $sniffer, |
| 34 | + urlResolve, |
| 35 | + computeSVGAttrValue, |
| 36 | + svgAttrExpressions) { |
| 37 | + return { |
| 38 | + restrict: 'A', |
| 39 | + link: function(scope, element, attrs) { |
| 40 | + var initialUrl; |
| 41 | + |
| 42 | + //Only apply to svg elements to avoid unnecessary observing |
| 43 | + //Check that is in html5Mode and that history is supported |
| 44 | + if ((!svgAttrExpressions.SVG_ELEMENT.test(element[0] && |
| 45 | + element[0].toString())) || |
| 46 | + !$location.$$html5 || |
| 47 | + !$sniffer.history) return; |
| 48 | + |
| 49 | + //Assumes no expressions, since svg is unforgiving of xml violations |
| 50 | + initialUrl = attrs[attr]; |
| 51 | + attrs.$observe(attr, updateValue); |
| 52 | + $rootScope.$on('$locationChangeSuccess', updateValue); |
| 53 | + |
| 54 | + function updateValue () { |
| 55 | + var newVal = computeSVGAttrValue(initialUrl); |
| 56 | + //Prevent recursive updating |
| 57 | + if (newVal && attrs[attr] !== newVal) attrs.$set(attr, newVal); |
| 58 | + } |
| 59 | + } |
| 60 | + }; |
| 61 | + }]; |
| 62 | + }); |
| 63 | + |
| 64 | + angular.module('ngSVGAttributes', []). |
| 65 | + factory('urlResolve', [function() { |
| 66 | + //Duplicate of urlResolve & urlParsingNode in angular core |
| 67 | + var urlParsingNode = document.createElement('a'); |
| 68 | + return function urlResolve(url) { |
| 69 | + urlParsingNode.setAttribute('href', url); |
| 70 | + return urlParsingNode; |
| 71 | + }; |
| 72 | + }]). |
| 73 | + value('svgAttrExpressions', { |
| 74 | + FUNC_URI: /^url\((.*)\)$/, |
| 75 | + SVG_ELEMENT: /SVG[a-zA-Z]*Element/, |
| 76 | + HASH_PART: /#.*/ |
| 77 | + }). |
| 78 | + factory('computeSVGAttrValue', [ |
| 79 | + '$location', '$sniffer', 'svgAttrExpressions', 'urlResolve', |
| 80 | + function($location, $sniffer, svgAttrExpressions, urlResolve) { |
| 81 | + return function computeSVGAttrValue(url) { |
| 82 | + var match, fullUrl; |
| 83 | + if (match = svgAttrExpressions.FUNC_URI.exec(url)) { |
| 84 | + //hash in html5Mode, forces to be relative to current url instead of base |
| 85 | + if (match[1].indexOf('#') === 0) { |
| 86 | + fullUrl = $location.absUrl(). |
| 87 | + replace(svgAttrExpressions.HASH_PART, '') + |
| 88 | + match[1]; |
| 89 | + } |
| 90 | + //Presumably links to external SVG document |
| 91 | + else { |
| 92 | + fullUrl = urlResolve(match[1]); |
| 93 | + } |
| 94 | + } |
| 95 | + return fullUrl ? 'url(' + fullUrl + ')' : null; |
| 96 | + }; |
| 97 | + } |
| 98 | + ] |
| 99 | + ). |
| 100 | + directive(svgDirectives); |
| 101 | +}()); |
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