Troubleshoot: Why is my AngularJS bootstrap.ui modal failing to

I am experiencing an issue with displaying a modal dialog using AngularJS bootstrap.ui. After calling $modal.open(...), the screen grays out, the HTML from my templateUrl is fetched from the server, but the modal does not appear. When I click on the gray area, it seems like the modal "closes" as the gray overlay disappears and the screen returns to normal. I can't seem to figure out why the modal isn't showing up.

Currently, I am following this tutorial: Angular directives

I am working with Visual Studio 2013, MVC 5, and AngularJS 1.2.2.

In my project, I am using the bootstrap.css file that comes bundled with Visual Studio. It includes the necessary modal classes. There are no errors being reported in the Javascript console. Here is how my app is defined:

var blogApp = angular.module('blogApp', ['ngResource', 'ngSanitize', 'ui.bootstrap']) ...

blogApp.controller('blogController',
function blogController($scope, $modal, $log, blogData, userData) {

    ...

    $scope.showPrivacy = function() {
        $modal.open({
            templateUrl: '/Privacy',
            controller: 'PrivacyInstanceController'
        });
        return false;
    };
});


var PrivacyInstanceController = function($scope, $modalInstance) {
    $scope.close = function() {
        $modalInstance.close();
    };
}

Here is my markup:

<div ng-controller="blogController">
        <a ng-click="showPrivacy()">Privacy Policy</a>
    </div>

Do you have any insights as to why the screen is graying out, the /Privacy resource is being loaded, clicking the gray area returns the screen to normal, but the modal itself doesn't show up?

Answer №1

An issue arises when using ui.bootstrap with bootstrap 3.0.

To resolve this, simply add the following to your CSS:

.modal {
display: block;
}

For more information, refer to this post: Fixing broken dialog boxes with AngularJs and UI-Bootstrap.

Answer №2

Dealing with a similar issue, I found a solution by making adjustments to my template.html file. Specifically, I modified the content within the .html supplied through the templateUrl attribute in the open-function.

Initially, the entire modal markup was present:

<div class="modal fade" tabindex="-1" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">And here some modal markup</div></div></div>

By eliminating the first three div elements and leaving only the text "And here some modal markup" in the template.html file, the issue was resolved successfully!

Answer №3

I experienced similar symptoms some time ago. Though I cannot recall all the details, it seems like the main issue was that the modal instance always had a display:none property.

  1. Ensure that you are using ui-bootstrap with templates (ui-bootstrap-tpls.js) - this may be causing the gray-out effect you are seeing.
  2. In the ui-bootstrap-tpls.js file, navigate to the bottom of the modal template (located at "template/modal/window.html") and add
    style="display:block". If this doesn't resolve the issue, compare the CSS classes in the template to your
    `bootstrap.css`.

I personally utilized a customized version of bootstrap3, which provided these templates:

angular.module("template/modal/backdrop.html", []).run(["$templateCache", function($templateCache) {
  $templateCache.put("template/modal/backdrop.html",
    "<div class=\"modal-backdrop fade\" ng-class=\"{in: animate}\" ng-style=\"{'z-index': 1040 + index*10}\" ng-click=\"close($event)\"></div>");
}]);

angular.module("template/modal/window.html", []).run(["$templateCache", function($templateCache) {
  $templateCache.put("template/modal/window.html",
    "<div class=\"modal fade {{ windowClass }}\" ng-class=\"{in: animate}\" style='display:block;z-index:1050'  ng-transclude></div>");
}]);

EDIT To address the issue, consider removing all styles from your bootstrap.css where the display property is set to none - while bootstrap hides the DOM element, ui-bootstrap completely removes it.

Answer №4

An issue I faced while developing with visual studio and using bootstrap 4 was with the .fade:not(.show) class in Bootstrap which sets the opacity to 0. When I disabled this class using code inspector, the modal would display correctly.

To avoid altering vendor files like bootstrap.css, I opted to simply modify the function that triggers the modal to include the 'show' class on the modal page. Here's how you can do it:

$scope.showPrivacy = function() {
    $modal.open({
        templateUrl: '/Privacy',
        windowClass: 'show',
        controller: 'PrivacyInstanceController'
    });
    return false;
};

Normally, adding the show class to the entire window may cause the modal to be displayed continuously. However, this is not a problem when pages are loaded dynamically because the element with the .show class is removed once the user clicks away from the modal, regardless of whether the class is present or not.

Answer №5

Strangely, the modal's backdrop height doesn't automatically fill the window. To resolve this issue, I made a modification in the ui-bootstrap-tpls.js file by accessing the template/modal/backdrop.html. At the end of the file, I included the following style options: 'width':'100%', 'height':'100%'

Answer №6

After updating to bootstrap v3.3.4, everything is functioning perfectly for me now.

  • Using Angularjs v1.3.12
  • Installed ui-bootstrap-0.12.0
  • Also configured ui.bootstrap.tpls-0.12.0

Answer №7

My particular scenario involved a compatibility issue with bower installing Bootstrap 4 instead of the required version 3.3.7 for ui-modal support. It's important to verify the Bootstrap version in the bower_components directory.

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