AngularJS Passing function with arguments to event directive
To start off, I know there are loads of similar questions but none that I found which supports execution of arbitrary methods with event listeners.
I have this directive which executes functions passed when the window resizes.
app.directive('onResize', function() {
var directive = {
'link': function(scope, element, attrs) {
var onResizeHandler = scope.$eval(attrs.onResize);
angular.element(window).on('resize', onResizeHandler);
angular.element(window).on('$destory', function() {element.off();});
}
};
return directive;
});
I can trigger the above directive with
<div data-on-resize="stickyHeader">...</div>
Which runs my method, inside my controller.
app.controller('myController', [$scope, function($scope) {
$scope.stickyHeader = function() {
console.log('event triggered')
};
}]);
All the above code works fine, but I need to pass some arguments to stickyHeader as in data-on-resize="stickyHeader(arg1, arg2)" When I try that, I get Cannot read property 'call' of undefined at ng (angular.js:3795) in the console. Not sure what I can do to make my directive support arbitrary methods with arguments.
angularjs
asked Nov 23 '18 at 3:00
AirerrAirerr
676
add a comment |
To start off, I know there are loads of similar questions but none that I found which supports execution of arbitrary methods with event listeners.
I have this directive which executes functions passed when the window resizes.
app.directive('onResize', function() {
var directive = {
'link': function(scope, element, attrs) {
var onResizeHandler = scope.$eval(attrs.onResize);
angular.element(window).on('resize', onResizeHandler);
angular.element(window).on('$destory', function() {element.off();});
}
};
return directive;
});
I can trigger the above directive with
<div data-on-resize="stickyHeader">...</div>
Which runs my method, inside my controller.
app.controller('myController', [$scope, function($scope) {
$scope.stickyHeader = function() {
console.log('event triggered')
};
}]);
All the above code works fine, but I need to pass some arguments to stickyHeader as in data-on-resize="stickyHeader(arg1, arg2)" When I try that, I get Cannot read property 'call' of undefined at ng (angular.js:3795) in the console. Not sure what I can do to make my directive support arbitrary methods with arguments.
angularjs
asked Nov 23 '18 at 3:00
AirerrAirerr
676
Possible duplicate of Pass argument to directive in angularjs?
– Akber Iqbal
Nov 23 '18 at 4:34
checkout stackoverflow.com/questions/29099814/…
– Akber Iqbal
Nov 23 '18 at 4:34
Neither of the suggested duplicates apply as it is not wise to create event handler directives with isolate scope or interpolation.
– georgeawg
Nov 23 '18 at 5:04
add a comment |
To start off, I know there are loads of similar questions but none that I found which supports execution of arbitrary methods with event listeners.
I have this directive which executes functions passed when the window resizes.
app.directive('onResize', function() {
var directive = {
'link': function(scope, element, attrs) {
var onResizeHandler = scope.$eval(attrs.onResize);
angular.element(window).on('resize', onResizeHandler);
angular.element(window).on('$destory', function() {element.off();});
}
};
return directive;
});
I can trigger the above directive with
<div data-on-resize="stickyHeader">...</div>
Which runs my method, inside my controller.
app.controller('myController', [$scope, function($scope) {
$scope.stickyHeader = function() {
console.log('event triggered')
};
}]);
All the above code works fine, but I need to pass some arguments to stickyHeader as in data-on-resize="stickyHeader(arg1, arg2)" When I try that, I get Cannot read property 'call' of undefined at ng (angular.js:3795) in the console. Not sure what I can do to make my directive support arbitrary methods with arguments.
angularjs
asked Nov 23 '18 at 3:00
AirerrAirerr
676
To start off, I know there are loads of similar questions but none that I found which supports execution of arbitrary methods with event listeners.
I have this directive which executes functions passed when the window resizes.
app.directive('onResize', function() {
var directive = {
'link': function(scope, element, attrs) {
var onResizeHandler = scope.$eval(attrs.onResize);
angular.element(window).on('resize', onResizeHandler);
angular.element(window).on('$destory', function() {element.off();});
}
};
return directive;
});
I can trigger the above directive with
<div data-on-resize="stickyHeader">...</div>
Which runs my method, inside my controller.
app.controller('myController', [$scope, function($scope) {
$scope.stickyHeader = function() {
console.log('event triggered')
};
}]);
All the above code works fine, but I need to pass some arguments to stickyHeader as in data-on-resize="stickyHeader(arg1, arg2)" When I try that, I get Cannot read property 'call' of undefined at ng (angular.js:3795) in the console. Not sure what I can do to make my directive support arbitrary methods with arguments.
angularjs
angularjs
asked Nov 23 '18 at 3:00
AirerrAirerr
676
asked Nov 23 '18 at 3:00
AirerrAirerr
676
edited Nov 23 '18 at 3:10
Airerr
asked Nov 23 '18 at 3:00
AirerrAirerr
676
asked Nov 23 '18 at 3:00
AirerrAirerr
676
asked Nov 23 '18 at 3:00
AirerrAirerr
676
676
Possible duplicate of Pass argument to directive in angularjs?
– Akber Iqbal
Nov 23 '18 at 4:34
checkout stackoverflow.com/questions/29099814/…
– Akber Iqbal
Nov 23 '18 at 4:34
Neither of the suggested duplicates apply as it is not wise to create event handler directives with isolate scope or interpolation.
– georgeawg
Nov 23 '18 at 5:04
add a comment |
Possible duplicate of Pass argument to directive in angularjs?
– Akber Iqbal
Nov 23 '18 at 4:34
checkout stackoverflow.com/questions/29099814/…
– Akber Iqbal
Nov 23 '18 at 4:34
Neither of the suggested duplicates apply as it is not wise to create event handler directives with isolate scope or interpolation.
– georgeawg
Nov 23 '18 at 5:04
Possible duplicate of Pass argument to directive in angularjs?
– Akber Iqbal
Nov 23 '18 at 4:34
Possible duplicate of Pass argument to directive in angularjs?
– Akber Iqbal
Nov 23 '18 at 4:34
checkout stackoverflow.com/questions/29099814/…
– Akber Iqbal
Nov 23 '18 at 4:34
checkout stackoverflow.com/questions/29099814/…
– Akber Iqbal
Nov 23 '18 at 4:34
Neither of the suggested duplicates apply as it is not wise to create event handler directives with isolate scope or interpolation.
– georgeawg
Nov 23 '18 at 5:04
Neither of the suggested duplicates apply as it is not wise to create event handler directives with isolate scope or interpolation.
– georgeawg
Nov 23 '18 at 5:04
add a comment |
1 Answer
1
active
oldest
votes
The directive needs to evaluate the AngularJS expression defined by the on-resize attribute every time the events occurs:
app.directive('onResize', function($window) {
var directive = {
link: function(scope, elem, attrs) {
angular.element($window).on('resize', onResizeHandler);
scope.$on('$destroy', function() {
angular.element($window).off('resize', onResizeHandler);
});
function onResizeHandler(event) {
scope.$eval(attrs.onResize, {$event: event});
scope.$apply();
}
}
};
return directive;
});
Also since the resize event comes from outside the AngularJS framework, the event needs to be brought into the AngularJS execution context with $apply().
Further, to avoid memory leaks, the event handler needs to be unbound when the scope is destroyed.
Usage:
<div data-on-resize="stickyHeader($event)">...</div>
For more information, see AngularJS Developer Guide - $event.
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
The directive needs to evaluate the AngularJS expression defined by the on-resize attribute every time the events occurs:
app.directive('onResize', function($window) {
var directive = {
link: function(scope, elem, attrs) {
angular.element($window).on('resize', onResizeHandler);
scope.$on('$destroy', function() {
angular.element($window).off('resize', onResizeHandler);
});
function onResizeHandler(event) {
scope.$eval(attrs.onResize, {$event: event});
scope.$apply();
}
}
};
return directive;
});
Also since the resize event comes from outside the AngularJS framework, the event needs to be brought into the AngularJS execution context with $apply().
Further, to avoid memory leaks, the event handler needs to be unbound when the scope is destroyed.
Usage:
<div data-on-resize="stickyHeader($event)">...</div>
For more information, see AngularJS Developer Guide - $event.
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
add a comment |
The directive needs to evaluate the AngularJS expression defined by the on-resize attribute every time the events occurs:
app.directive('onResize', function($window) {
var directive = {
link: function(scope, elem, attrs) {
angular.element($window).on('resize', onResizeHandler);
scope.$on('$destroy', function() {
angular.element($window).off('resize', onResizeHandler);
});
function onResizeHandler(event) {
scope.$eval(attrs.onResize, {$event: event});
scope.$apply();
}
}
};
return directive;
});
Also since the resize event comes from outside the AngularJS framework, the event needs to be brought into the AngularJS execution context with $apply().
Further, to avoid memory leaks, the event handler needs to be unbound when the scope is destroyed.
Usage:
<div data-on-resize="stickyHeader($event)">...</div>
For more information, see AngularJS Developer Guide - $event.
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
add a comment |
The directive needs to evaluate the AngularJS expression defined by the on-resize attribute every time the events occurs:
app.directive('onResize', function($window) {
var directive = {
link: function(scope, elem, attrs) {
angular.element($window).on('resize', onResizeHandler);
scope.$on('$destroy', function() {
angular.element($window).off('resize', onResizeHandler);
});
function onResizeHandler(event) {
scope.$eval(attrs.onResize, {$event: event});
scope.$apply();
}
}
};
return directive;
});
Also since the resize event comes from outside the AngularJS framework, the event needs to be brought into the AngularJS execution context with $apply().
Further, to avoid memory leaks, the event handler needs to be unbound when the scope is destroyed.
Usage:
<div data-on-resize="stickyHeader($event)">...</div>
For more information, see AngularJS Developer Guide - $event.
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
The directive needs to evaluate the AngularJS expression defined by the on-resize attribute every time the events occurs:
app.directive('onResize', function($window) {
var directive = {
link: function(scope, elem, attrs) {
angular.element($window).on('resize', onResizeHandler);
scope.$on('$destroy', function() {
angular.element($window).off('resize', onResizeHandler);
});
function onResizeHandler(event) {
scope.$eval(attrs.onResize, {$event: event});
scope.$apply();
}
}
};
return directive;
});
Also since the resize event comes from outside the AngularJS framework, the event needs to be brought into the AngularJS execution context with $apply().
Further, to avoid memory leaks, the event handler needs to be unbound when the scope is destroyed.
Usage:
<div data-on-resize="stickyHeader($event)">...</div>
For more information, see AngularJS Developer Guide - $event.
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
edited Nov 23 '18 at 9:14
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
answered Nov 23 '18 at 4:49
georgeawggeorgeawg
34.2k115370
34.2k115370
add a comment |
add a comment |
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Possible duplicate of Pass argument to directive in angularjs?
– Akber Iqbal
Nov 23 '18 at 4:34
checkout stackoverflow.com/questions/29099814/…
– Akber Iqbal
Nov 23 '18 at 4:34
Neither of the suggested duplicates apply as it is not wise to create event handler directives with isolate scope or interpolation.
– georgeawg
Nov 23 '18 at 5:04