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AngularJS ngLoading directive. show a loader based on an attribute and restore content when ready.
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| <!DOCTYPE html> | |
| <html ng-app > | |
| <head lang="en"> | |
| <meta charset="utf-8"> | |
| <title>ngLoading demo</title> | |
| <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.3/angular.min.js"></script> | |
| <link rel="stylesheet" href="style.css"> | |
| <script src="ngLoading.js"></script> | |
| </head> | |
| <body> | |
| <h1>ngLoading demo</h1> | |
| <div ng-loading="checked">loading? <b>{{ !!checked }}</b></div> | |
| <input type="checkbox" ng-model="checked"> | |
| </body> | |
| </html> |
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| .loading-circles{ | |
| margin: auto; | |
| position:relative; | |
| width:64px; | |
| height:64px; | |
| -webkit-transform:scale(0.6); | |
| transform:scale(0.6); | |
| } | |
| .loading-circle{ | |
| position:absolute; | |
| background-color:#FFFFFF; | |
| height:12px; | |
| width:12px; | |
| -webkit-border-radius:6px; | |
| -webkit-animation-name:circle-fader; | |
| -webkit-animation-duration:0.72s; | |
| -webkit-animation-iteration-count:infinite; | |
| -webkit-animation-direction:linear; | |
| border-radius:6px; | |
| animation-name:circle-fader; | |
| animation-duration:0.72s; | |
| animation-iteration-count:infinite; | |
| animation-direction:linear; | |
| } | |
| .loading-circle:nth-of-type(1) { | |
| left:0; | |
| top:26px; | |
| -webkit-animation-delay:0.27s; | |
| animation-delay:0.27s; | |
| } | |
| .loading-circle:nth-of-type(2) { | |
| left:8px; | |
| top:8px; | |
| -webkit-animation-delay:0.36s; | |
| animation-delay:0.36s; | |
| } | |
| .loading-circle:nth-of-type(3) { | |
| left:26px; | |
| top:0; | |
| -webkit-animation-delay:0.45s; | |
| animation-delay:0.45s; | |
| } | |
| .loading-circle:nth-of-type(4) { | |
| right:8px; | |
| top:8px; | |
| -webkit-animation-delay:0.54s; | |
| animation-delay:0.54s; | |
| } | |
| .loading-circle:nth-of-type(5) { | |
| right:0; | |
| top:26px; | |
| -webkit-animation-delay:0.63s; | |
| animation-delay:0.63s; | |
| } | |
| .loading-circle:nth-of-type(6) { | |
| right:8px; | |
| bottom:8px; | |
| -webkit-animation-delay:0.72s; | |
| animation-delay:0.72s; | |
| } | |
| .loading-circle:nth-of-type(7) { | |
| left:26px; | |
| bottom:0; | |
| -webkit-animation-delay:0.81s; | |
| animation-delay:0.81s; | |
| } | |
| .loading-circle:nth-of-type(8) { | |
| left:8px; | |
| bottom:8px; | |
| -webkit-animation-delay:0.9s; | |
| animation-delay:0.9s; | |
| } | |
| @-webkit-keyframes circle-fader{ | |
| 0%{background-color:#000000} | |
| 100%{background-color:#FFFFFF} | |
| } | |
| @keyframes circle-fader{ | |
| 0%{background-color:#000000} | |
| 100%{background-color:#FFFFFF} | |
| } |
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| angular.directive('ngLoading', ['$compile', function($compile) { | |
| return { | |
| restrict: 'A', | |
| scope: false, | |
| link: function(scope, element, attrs) { | |
| // 'record' the initial div contents | |
| var initialContents = element.html(); | |
| scope.$watch(attrs.ngLoading, function (loading) { | |
| if (loading===true) { | |
| element.html('<div class="loading-circles">' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '<div class="loading-circle"></div>' + | |
| '</div>'); | |
| } else { | |
| // HERE I WANT TO RESTORE THE ORIGINAL CONTENT | |
| element.html(initialContents); | |
| $compile(element.contents())(scope); | |
| } | |
| }); | |
| } | |
| }; | |
| }]); |
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why not use material loader with angular $loaded
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