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@ben-barbier
Last active August 29, 2015 14:26
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AngularJS - Loading page with progress bar
(function() {
'use strict';
angular.module('myApp', []);
angular
.module('myApp')
.config(myAppConfig);
myAppConfig.$inject = ['$httpProvider'];
function myAppConfig ($httpProvider) {
$httpProvider.interceptors.push('applicationLoadedHttpInterceptor');
}
})();
(function() {
'use strict';
angular
.module('myApp')
.factory('applicationLoadedHttpInterceptor', applicationLoadedHttpInterceptor);
applicationLoadedHttpInterceptor.$inject = ['$q', '$rootScope', '$timeout'];
function applicationLoadedHttpInterceptor ($q, $rootScope, $timeout) {
var applicationLoaded = false,
requestsCounter = 0,
responsesCounter = 0,
applicationSeemsToBeLoaded;
return {
'request': function(config) {
if (!applicationLoaded) {
requestsCounter++;
if (applicationSeemsToBeLoaded) {
$timeout.cancel(applicationSeemsToBeLoaded);
}
$rootScope.$broadcast('application_loading', {
requests: requestsCounter,
responses: responsesCounter
});
}
return config || $q.when(config);
},
'response': function(response) {
if (!applicationLoaded) {
responsesCounter++;
$rootScope.$broadcast('application_loading', {
requests: requestsCounter,
responses: responsesCounter
});
if (requestsCounter - responsesCounter < 1) {
applicationSeemsToBeLoaded = $timeout(function () {
$rootScope.$broadcast('application_loaded');
applicationLoaded = true;
}, 200);
}
}
return response || $q.when(response);
}
};
}
})();
<!doctype html>
<html>
<head>
</head>
<body data-ng-app="myApp">
<div ng-controller="LoadingPageController">
<div ng-if="!applicationLoaded" class="loadingPage">
<div class="loadingPageLoader">
<md-progress-linear md-mode="determinate" value="{{(responsesCounter / requestsCounter) * 100}}"></md-progress-linear>
<div class="percents" ng-bind-html="(responsesCounter / requestsCounter * 100).toFixed(0) + ' %'"></div>
</div>
<div class="informations">
<img src="common/styles/img/spid-big-logo.png" alt="SPID" />
<div ng-if="proposeReload">
<div style="margin-top: 20px;" ng-bind-html="'MyApp was not successfully loaded...'"></div>
<div style="margin-top: 20px;"><md-button ng-click="reload()" class="md-raised md-primary" ng-bind-html="'Refresh'"></md-button></div>
</div>
</div>
</div>
</div>
</body>
</html>
.loadingPage .loadingPageLoader {
width: 100%;
position: fixed;
z-index: 10001;
top: 0;
margin-top: -5px;
}
.loadingPage .loadingPageLoader .percents {
margin-top: 6px;
position: fixed;
right: 5px;
}
.loadingPage .informations {
width: 100%;
height: 100%;
position: fixed;
z-index: 10000;
background-color: whitesmoke;
top: 0;
text-align: center;
box-shadow: inset 0 0 200px rgba(0, 0, 0, .5);
padding-top: 125px;
}
(function() {
'use strict';
angular
.module('myApp')
.controller('LoadingPageController', LoadingPageController);
LoadingPageController.$inject = ['$scope', '$window', '$timeout'];
function LoadingPageController ($scope, $window, $timeout) {
var loadingProgress;
var INACTIVITY_TO_PROPOSE_RELOAD = 5000;
$scope.applicationLoaded = false;
$scope.requestsCounter = 0;
$scope.responsesCounter = 0;
$scope.proposeReload = false;
function resetWaitingTime () {
if (loadingProgress) {
$timeout.cancel(loadingProgress);
}
loadingProgress = $timeout(function () {
$scope.proposeReload = true;
}, INACTIVITY_TO_PROPOSE_RELOAD);
}
$scope.reload = function () {
$window.location.reload();
};
$scope.$on('application_loaded', function () {
$scope.applicationLoaded = true;
});
$scope.$on('application_loading', function (event, counts) {
resetWaitingTime();
$scope.requestsCounter = counts.requests;
$scope.responsesCounter = counts.responses;
});
}
})();
@fclaeys
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fclaeys commented Aug 3, 2015

Par contre, tu ne géres pas les retours en erreur.

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