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Angular JS Route: attach more than one controller


Angular JS Route: attach more than one controller

By : user2949479
Date : November 17 2020, 01:00 AM
it fixes the issue What should happen is you should have ONLY ONE 'root' controller for a page, and any 'parts' of the page should be children of the root controller.
code :
$routeProvider

  .when('/store', {
    templateUrl: 'store.html',
    controller: 'StoreParentController'
  })
<div ng-controller="StoreParentController"> <!-- you dont need this particular controller here because you have it in your routeprovider, this is just an example of the structure-->
    <div ng-controller="StoreController"> stuff about store </div>
    <div ng-controller="ReviewsController"> reviews </div>
</div>


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Changing route in Angular causes re-evaluation of functions on the previous route's controller

Changing route in Angular causes re-evaluation of functions on the previous route's controller


By : user3064429
Date : March 29 2020, 07:55 AM
this one helps. A function in an (interpolation-)expression is called during every digest cycle and you can't possibly know in advance when this will happen. So your function has to be prepared to be called not only more often then you expect but also at unexpected times.
The culprit in your case is the html5 mode. There is a global event handler that rewrites links and calls $apply. The problem is that it's done even if html5 mode is not enabled. I consider this a bug because the docs say
code :
$locationProvider.html5Mode({rewriteLinks: false});
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By : Josh
Date : March 29 2020, 07:55 AM
around this issue Ok, I found the issue. I was correct in assuming that txt needed to be added to the allowed extensions for the Sitecore.Pipelines.PreprocessRequest.FilterUrlExtensions setting. However robots.txt was listed under the IgnoreUrlPrefixes setting in the config file. That was causing sitecore to ignore that request. I removed it from that list and it's working great now.
How to asynchronously load a controller, and attach it to the angular module

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By : Ondrej Subrt
Date : March 29 2020, 07:55 AM
To fix this issue The solution was actually really simple. Since this is a long time ago I do not remember where I got this from, but adding this code to app.config makes it possible to attach controllers after the initial bootstrapping of the angular module:
code :
app.controller = function( name, constructor ) {
  $controllerProvider.register( name, constructor );
  return( this );
};
Attach additional functionality to parent controller in Angular

Attach additional functionality to parent controller in Angular


By : Rokon Uddin
Date : March 29 2020, 07:55 AM
it helps some times To sum up the comments:
For Question 1, there is no direct way for sibling directives to communicate with each other. I usually create a wrapper parent directive to relay the messages. As per the comments, the condition something.item === selectedItem introduces a watch; for a list of select items this can be many watches and detrimental to performance. Even if it doesn't occur now, it is a trap and someone may be lured into using this for a long list of items in the future. I would rather have a single watch in the parent of the
  • s and add the "scroll into view" logic there. With the previous point in mind, you could still have a standalone setInViewWhen directive (seems useful) and have the controller of your X-select replacement directive share code with it. E.g.: a service containing the common functionality, an angular value containing a base class (Typescript or JS) and have the controller of both the setInViewWhen and X directives extend from it or any other solution that is convenient for your case Related to Question 2: The children could require their parent and change a method in it (this technique is even endorsed by Angular, see ng-model and custom controls where they override ngModel.$render() by replacing it). If you do that however, there would be many children changing the method of the parent, which could lead to a mess.
  • Is there any way to attach a callback function to a route in an Angular routing module?

    Is there any way to attach a callback function to a route in an Angular routing module?


    By : Casey North
    Date : March 29 2020, 07:55 AM
    To fix the issue you can do You have some options to add data to routes.
    data property in your route:
    code :
    {
       path: 'heroes',
       component: HeroListComponent,
       data: { title: 'Heroes List' 
     }
    
    {
        path: 'heroes',
        component: HeroListComponent,
        resolve: { hero: HeroResolver }
    }
    
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