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laxar-button-list-control

v2.0.0

Published

Wraps a row of Bootstrap buttons as an AngularJS directive, for LaxarJS widgets

Downloads

5

Readme

laxar-button-list-control

Wraps a row of Bootstrap buttons as an AngularJS v1 directive, for LaxarJS widgets.

The button list directive can be used to render a list of buttons in a very simple way. It is optimized for high-performance in certain usage scenarios. The use of ng-repeat is therefore explicitly avoided.

The control thus has some known (but for this case well acceptable) limitations:

  • As soon as a non-empty list to the axButtonList binding is available, the according buttons are rendered in the given order using the template found with the directive.

  • When the rendering has finished the directive disconnects from future updates to the list. Thus all changes made to the list won't be reflected in the rendered button list. Changes to items within in the button will nevertheless be updated in the view thanks to AngularJS' scopes.

Installation

To retrieve a copy of this control you can either clone it directly using git or alternatively install it via Bower. For general information on installing, styling and optimizing controls, have a look at the LaxarJS documentation.

Setup Using Bower

To use this control you should install it into your LaxarJS v2 project:

npm install laxar-button-list-control

Usage

Now you may reference the control from the widget.json of your widget:

   "controls": [ "laxar-button-list-control" ]

Bind your list of buttons to the attribute having the directive's name, while keeping above mentioned limitations in mind. In practice this means: Only fill the list with the buttons when you are sure, that no further modifications to the list will occur. To get notified of clicks on a button the ax-button-list-click attribute can be provided with a bound function call. This call is evaluated in the scope of the button that has been activated. Thus the button from the given list is available as button to the bound function.

Example

HTML/AngularJS view template:

<div ax-button-list="buttons"
     ax-button-list-click="handleButtonClicked( button )"></div>

Widget controller code:

$scope.buttons = [
   {
      htmlLabel: 'Click Me!',
      id: $scope.id( 'first button' ),
      classes: [ 'btn-info', 'btn-large' ]
   }
];

$scope.handleButtonClicked = function( button ) { /* ... */ }

For each button model, the following properties are supported:

  • htmlLabel a label to use for this button
  • id an ID that can be used to identify the button, must be globally unique
  • accessKey used as the button's HTML accesskey
  • classes bound to the button using ngClass