bedrock-angular-alert
An AngularJS module that provides a service for managing alerts.
Last updated 4 years ago by davidlehn .
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bedrock-angular-alert

An AngularJS module that provides a service for managing alerts (errors, warnings, feedback information, etc.) for bedrock-angular and directives for displaying those alerts.

Quick Examples

<!-- display all logged alerts -->
<div br-alerts br-fixed="true"></div>

<!-- custom directive that uses brAlertService -->
<my-directive></my-directive>
angular.module('example', ['bedrock.alert']).directive('myDirective', factory);

/* @ngInject */
function factory(brAlertService) {
  return {
    restrict: 'E',
    scope: {},
    template: '<button ng-click="errorOccurred()">Error</button>',
    link: (scope, element) => {
      brAlertService.add('info', 'myDirective loaded.');

      scope.errorOccurred = function(err) {
        // add a feedback error; if the scope is destroyed, remove the error
        brAlertService.add('error', err, {scope: scope});
      };
    }
  };
}

Setup

npm install bedrock-angular-alert

bedrock-angular-alert must be added to the bedrock.browserDependencies list in the package.json file of the dependent package.

To manually add bedrock-angular-alert as a dependency:

angular.module('myapp', ['bedrock.alert']);

API

brAlertService.category

An object that stores the available alert categories: FEEDBACK and BACKGROUND.

brAlertService.log

A categorized log of alerts. brAlertService.log is an object where each entry has a key from brAlertService.category and a value that is an array of alerts that have been added for that category.

brAlertService.on(event, listener)

Adds a listener for the given type of event. The valid event types are: add, remove, and clear. The add event is emitted when an alert is added, remove is emitted when an alert is removed, and clear is emitted when alerts of a particular type and/or category are cleared.

brAlertService.removeListener(event, listener)

Removes a particular event listener.

brAlertService.add(type, value, [options])

Adds an alert to the log.

The alert type may be error, warning, or info.

The value can be a string, an Error instance, or an object with an html property set to custom html to be displayed, for example, by a br-alerts directive.

If options are provided, they may include a category from brAlertService.category and/or a scope. If no category is given, the default, brAlertService.category.FEEDBACK will be used. If a scope is given, then when the scope is destroyed, the alert will be removed. This is useful for removing feedback generated from UI elements that can be destroyed. For example, a modal that generates feedback alerts may be closed, and if the alerts were added using the modal's scope, the alerts will be automatically removed.

brAlertService.remove(type, value)

Removes the given alert, regardless of which category it is in.

brAlertService.clear([type], [category])

Clears all alerts of a given type or all alerts of a given type in a particular category.

brAlertService.clearFeedback([type])

Clears all feedback alerts or feedback alerts of a particular type.

Current Tags

  • 4.0.0                                ...           latest (4 years ago)

4 Versions

  • 4.0.0                                ...           4 years ago
  • 3.0.2                                ...           4 years ago
  • 3.0.1                                ...           4 years ago
  • 3.0.0                                ...           4 years ago

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