AngularJS ng-switch-trigger enclosed within its own ng-switch-wrapper

In my current project, I am working on switching between two buttons that act as their own triggers for the switch. To illustrate further:

<span ng-switch on="patientSwitch">
    <span ng-switch-when="edit">
        <button ng-click="patientSwitch='save'">save</button>
    </span>
    <span ng-switch-when="save">
        <button ng-click="patientSwitch"='edit'">edit</button>
    </span>
</span>

For reference, here is a jsFiddle link: http://jsfiddle.net/g7vKz/

Answer №1

To improve your code, consider using an object:

myApp.controller("PatientCtrl", function($scope) {
  $scope.viewModel = { patientSwitch: "edit" };
});

Additionally:

<span ng-switch on="viewModel.patientSwitch">
    <span ng-switch-when="edit">
        <button ng-click="viewModel.patientSwitch='save'">save</button>
    </span>
    <span ng-switch-when="save">
         <button ng-click="viewModel.patientSwitch='edit'">edit</button>
    </span>
</span>

Check out this demo: http://jsfiddle.net/M7EX2/

ngSwitch creates a new scope, so it's important to use an object to avoid issues related to how prototypal inheritance works in JavaScript.

You can find a detailed discussion on this topic here.

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