Preventing controller from reloading with dynamic routes

My goal is to

  • prevent the controller from reloading when using dynamic routes. For example, if I have a route defined as '/home/:param', and I navigate from '/home/path1' to '/home/path2', the controller should not be reloaded.

I attempted to accomplish this by including templates with ng-include. While it prevents the controller from reloading, the route URL stays the same. Is there an alternative method to achieve this?

Answer №1

To prevent the controller from reloading when a query parameter or hash in the URL changes, set reloadOnSearch to false on the route. More information can be found here.

ReloadOnSearch only pertains to query parameters or hashes, so you must use query parameters for it to function. For instance, your links would resemble:

<a href="#/test?id=1">Link 1</a>
 <a href="#/test?id=2">Link 2</a>

You can retrieve the id using the $location service in this way:

function testCtrl($scope, $location) {
    alert("Reloading controller with id: " + $location.search().id);
}

An updated fiddle can be accessed here: http://jsfiddle.net/donal/2cz4nz3o/1/

Answer №2

Building on Donal's response, this is the approach I took.

  1. Ensure that reloadOnSearch=false is set in the routeprovider configuration.
  2. Handling Routes

    When navigating via URL, capture the parameter using $location.search() and load the appropriate template from within the controller.

    When switching to a different template within the controller, call a function to update the template and modify the URL using

    $location.search('id', newTemplateId);
    With reloadOnSearch disabled, only the URL is updated without triggering a reload.

Check out this JSFiddle

Hopefully, this method proves helpful to someone.

UPDATE: It may be beneficial to also utilize $routeUpdate when working with reloadOnSearch. More details can be found here.

Answer №3

If you're looking for solutions similar to changing a path without reloading the controller in AngularJS, check out this Stack Overflow post where various alternatives are provided in the answers (options other than reloadOnSearch = false based on your specific application).

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