Showing objects based on the proportions of the container

I am currently working on a component that will be utilized in numerous widgets within our web application. Is there any method to adjust the visibility of elements based on the size of a div?

<div class="container" style="width:100%">
  <div>content to show when width is less than 400px</div>
  <div>content to display when width exceeds 400px</div>
  <div>another division</div>
</div>

Is it achievable using CSS, for instance? I have come across media queries, but it seems that the visibility of elements is solely determined by the size of the widget where it is incorporated and nothing else.

cssangularjshtmldom

Answer №1

Although I have not tested it myself, I believe you can grasp the concept of how to execute it. While there may not be a straightforward solution using pure CSS, incorporating jQuery makes the implementation relatively simple:

if( parseInt(jQuery('.container').css('height')) > 400){
    jQuery('.container').css('visibility', 'hidden');
} else{
    jQuery('.container').css('visibility', 'visible');
}

Answer №2

To achieve this, you can implement a directive:

var app = angular.module('myApp', []);
app.directive('myDirective', ['$window', function($window) {
  return {
    link: link,
    restrict: 'A'
  }
  function link(scope, element, attrs) {
    scope.windowWidth = $window.innerWidth; // initialize

    /* Use jQLite CSS magic to adjust based on window width or element width */
    angular.element($window).bind('resize', function() {
      scope.windowWidth = $window.innerWidth; // Update width
      scope.$apply(); // Re-render view
    });
  }
}]);
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<div ng-app="myApp">
  <div class="container" style="width:100%;">
    <div my-directive ng-show="windowWidth < 400">
      Display these elements when width is less than 400px
    </div>
    <div my-directive ng-show="windowWidth > 400">
      Display these elements when width is MORE than 400px
    </div>
  </div>
</div>

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