Looking for a solution:
angular
.module('test')
.directive('multiButton', function () {
return {
restrict: 'E',
replace: true,
scope: {
disabled: '@'
},
template: '<div class="multi-button"><button ng-disabled={{disabled}}></button></div>'
});
I'm wondering if there's a way to avoid including "ng-disabled" in the template if the disabled attribute is not present.
Any suggestions on how this can be achieved?
To determine if the attribute is present on a link, and include the associated (ngDisabled) attribute if it is:
angular.module('myApp',[])
.directive('multiButton', function () {
return {
restrict: 'E',
replace: true,
scope: {
disabled: '@?'
},
template: '<div class="multi-button"><button></button></div>',
link: function(scope, element, attr){
if(attr.disabled){
element.find('button').attr('ng-disabled', attr.disabled);
}
}
}
});
Live Example: http://jsfiddle.net/guv11rxq/
As shown,
<multi-button disabled="hello"></multi-button><div class="multi-button"><button ng-disabled="hello"></button></div>However, in the absence of the optional attribute,
<multi-button></multi-button><div class="multi-button"><button></button></div>To dynamically control the visibility of elements based on a condition, you can make use of the ng-if directive like so:
template: '<div class="multi-button" ng-if="disabled != ''"><button ng-disabled={{disabled}}></button></div><div class="multi-button" ng-if="disabled === ''"><button></button></div>'
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