How to Dynamically Modify Page
Dynamic Header Modification in AngularJS Partial Views
In AngularJS applications, partial views are often utilized to render content dynamically. However, customizing page titles and headers based on the displayed view can be a challenge due to their limited scope. This article explores a solution using routing to set the page title and header dynamically.
Understanding the Problem
The issue lies in the disparity between the scope of partial view controllers and the page title/header elements. These elements are defined globally in the base HTML, outside the scope of the view controllers. Therefore, binding them to data within the controllers requires an alternative approach.
Solution Using Routing
One effective solution involves utilizing the AngularJS routing mechanism. By registering routes in the $routeProvider service, you can associate a title property with each route. This title can then be accessed and displayed in the page title and header elements.
Code Example
To implement this solution, add the following code to your AngularJS module:
<code class="javascript">var myApp = angular.module('myApp', ['ngResource'])
myApp.config(
['$routeProvider', function($routeProvider) {
$routeProvider.when('/test1', {
title: 'Test 1',
templateUrl: 'test1.html',
controller: Test1Ctrl
});
$routeProvider.when('/test2', {
title: 'Test 2',
templateUrl: 'test2.html',
controller: Test2Ctrl
});
}]);
myApp.run(['$rootScope', function($rootScope) {
$rootScope.$on('$routeChangeSuccess', function (event, current, previous) {
$rootScope.title = current.$$route.title;
});
}]);</code>In the HTML, use the ng-bind attribute to dynamically update the page title and header with the route's title:
<code class="html"><!DOCTYPE html>
<html ng-app="myApp">
<head>
<title ng-bind="'myApp &mdash; ' + title">myApp</title>
...</code>Note: Using ng-bind prevents the curly braces from displaying on load.
By implementing this solution, you can dynamically update the page title and header based on the selected route, providing a seamless and responsive user experience.
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