Regain the cursor focus on a text input field once it has been disabled and re-enabled using AngularJS

Question

Regain the cursor focus on a text input field once it has been disabled and re-enabled using AngularJS

In my code, I have implemented an input field along with a $watch function that triggers a server request when the scope variable changes. While the server request is being processed, I disable the input field. However, once the request is complete and the field is re-enabled, the cursor is missing from the input line. I want to ensure that the cursor is present again when the input field is enabled.

I attempted to restore focus using a directive such as How to set focus on input field?, but unfortunately, it does not seem to work in conjunction with enabling/disabling the field. I tried setting both the "focusing" and "enabling" variables at the same time, but it did not have the desired effect.

javascript angularjs

Answer 1

Answer №1

implement a custom directive for focusing

app.directive('focusMeDirective', function($timeout) {
  return {
    scope: {
      trigger: '=focusMeDirective'
    },
    priority: -1,
    link: function(scope, element) {
      scope.$watch('trigger', function(value) {
        if (value === true) {
          $timeout(function() {
            element[0].focus();
            scope.trigger = false;
          }, 300);
        }
      });
    }
  };
});

include the directive in the input field

<input type="text" focus-me-directive="focusInput" data-ng-model="myModel" required .. />

in the controller

$scope.focusInput=true;

when $scope.focusInput is set to true, the input field will receive focus

Answer 2

implement a custom directive for focusing

app.directive('focusMeDirective', function($timeout) {
  return {
    scope: {
      trigger: '=focusMeDirective'
    },
    priority: -1,
    link: function(scope, element) {
      scope.$watch('trigger', function(value) {
        if (value === true) {
          $timeout(function() {
            element[0].focus();
            scope.trigger = false;
          }, 300);
        }
      });
    }
  };
});

include the directive in the input field

<input type="text" focus-me-directive="focusInput" data-ng-model="myModel" required .. />

in the controller

$scope.focusInput=true;

when $scope.focusInput is set to true, the input field will receive focus

Answer 3

Answer №2

Simple method

<input type="text" ng-disabled="true" required ... />

Following an event, if you wish to enable and focus on the input field, you can achieve this functionality by adding the following code to your .ts file

$scope.enableInput = function () {
  document.getElementById("password").disabled = false;
  document.getElementById('password').focus();
};

This is how you can re-establish focus on the text input field after toggling its disable and enable states using AngularJS

Answer 4

Simple method

<input type="text" ng-disabled="true" required ... />

Following an event, if you wish to enable and focus on the input field, you can achieve this functionality by adding the following code to your .ts file

$scope.enableInput = function () {
  document.getElementById("password").disabled = false;
  document.getElementById('password').focus();
};

This is how you can re-establish focus on the text input field after toggling its disable and enable states using AngularJS

Regain the cursor focus on a text input field once it has been disabled and re-enabled using AngularJS

Answer №1

Answer №2

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