Created
January 10, 2014 18:47
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ng-if for older (1.0.X) angularjs versions
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| angular.module('future', []).directive('ngIf', [function() { | |
| return { | |
| transclude: 'element', | |
| priority: 600, | |
| terminal: true, | |
| restrict: 'A', | |
| $$tlb: true, | |
| compile: function ($element, $attr, $transclude) { | |
| return function link($scope, $element, $attr, ctrl){ | |
| var block, childScope; | |
| $scope.$watch($attr.ngIf, function ngIfWatchAction(value) { | |
| if (!!value) { | |
| if (!childScope) { | |
| childScope = $scope.$new(); | |
| $transclude(childScope, function (clone) { | |
| clone[clone.length++] = document.createComment(' end ngIf: ' + $attr.ngIf + ' '); | |
| block = { | |
| clone: clone | |
| }; | |
| angular.element($element).after(clone); | |
| }); | |
| } | |
| } else { | |
| if (childScope) { | |
| childScope.$destroy(); | |
| childScope = null; | |
| } | |
| if (block) { | |
| angular.element(block.clone).remove(); | |
| block = null; | |
| } | |
| } | |
| }); | |
| }; | |
| } | |
| }; | |
| }]); |
very much appreciated, thank you
you can also wrap it into
if(angular.version.major === 1 && angular.version.minor === 0) {
... rest of the code ...
}
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Sorry but how to call ng-if in html??
Thanks.