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ui-route-styles.js
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ui-route-styles.js
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/**
* Created by Zack Boman on 1/31/14.
* UI Router version by Jorick van Hees on 2/27/14.
* http://www.zackboman.com or [email protected]
*/
(function(){
'use strict';
angular.module('routeStyles', ['ui.router'])
.directive('head', ['$rootScope','$compile','$interpolate',
function($rootScope, $compile, $interpolate){
// this allows for support of custom interpolation symbols
var startSym = $interpolate.startSymbol(),
endSym = $interpolate.endSymbol(),
html = ['<link rel="stylesheet" ng-repeat="(routeCtrl, cssUrl) in routeStyles" ng-href="',startSym,'cssUrl',endSym,'">'].join('');
return {
restrict: 'E',
link: function(scope, elem){
elem.append($compile(html)(scope));
scope.routeStyles = {};
$rootScope.$on('$stateChangeStart', function (event, toState, toParams, fromState, fromParams) {
// Remove old styles
if (fromState && fromState.css) {
if(!angular.isArray(fromState.css)){
fromState.css = [fromState.css];
}
angular.forEach(fromState.css, function(sheet){
delete scope.routeStyles[sheet];
});
}
if(fromState && fromState.views){
angular.forEach(fromState.views, function(view){
if(view.css){
if(!angular.isArray(view.css)){
view.css = [view.css];
}
angular.forEach(view.css, function(sheet){
scope.routeStyles[sheet] = undefined;
});
}
});
}
// Add new styles
if(toState && toState.views){
angular.forEach(toState.views, function(view){
if(view.css){
if(!angular.isArray(view.css)){
view.css = [view.css];
}
angular.forEach(view.css, function(sheet){
scope.routeStyles[sheet] = sheet;
});
}
});
}
if (toState && toState.css) {
if(!angular.isArray(toState.css)){
toState.css = [toState.css];
}
angular.forEach(toState.css, function(sheet){
scope.routeStyles[sheet] = sheet;
});
}
});
}
};
}
]);
})();