mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-14 21:33:53 +01:00
64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
|
/* ng-infinite-scroll - v1.0.0 - 2013-02-23
|
||
|
Matrix: Modified to support scrolling UP to get infinite loading and to listen
|
||
|
to scroll events on the PARENT element, not the window.
|
||
|
*/
|
||
|
var mod;
|
||
|
|
||
|
mod = angular.module('infinite-scroll', []);
|
||
|
|
||
|
mod.directive('infiniteScroll', [
|
||
|
'$rootScope', '$window', '$timeout', function($rootScope, $window, $timeout) {
|
||
|
return {
|
||
|
link: function(scope, elem, attrs) {
|
||
|
var checkWhenEnabled, handler, scrollDistance, scrollEnabled;
|
||
|
$window = angular.element($window);
|
||
|
scrollDistance = 0;
|
||
|
if (attrs.infiniteScrollDistance != null) {
|
||
|
scope.$watch(attrs.infiniteScrollDistance, function(value) {
|
||
|
return scrollDistance = parseInt(value, 10);
|
||
|
});
|
||
|
}
|
||
|
scrollEnabled = true;
|
||
|
checkWhenEnabled = false;
|
||
|
if (attrs.infiniteScrollDisabled != null) {
|
||
|
scope.$watch(attrs.infiniteScrollDisabled, function(value) {
|
||
|
scrollEnabled = !value;
|
||
|
if (scrollEnabled && checkWhenEnabled) {
|
||
|
checkWhenEnabled = false;
|
||
|
return handler();
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
handler = function() {
|
||
|
var elementTop, remaining, shouldScroll, windowTop;
|
||
|
windowTop = 0;
|
||
|
elementTop = elem.offset().top;
|
||
|
shouldScroll = elementTop >= 0; // top of list is at the top of the window or further down the page
|
||
|
if (shouldScroll && scrollEnabled) {
|
||
|
if ($rootScope.$$phase) {
|
||
|
return scope.$eval(attrs.infiniteScroll);
|
||
|
} else {
|
||
|
return scope.$apply(attrs.infiniteScroll);
|
||
|
}
|
||
|
} else if (shouldScroll) {
|
||
|
return checkWhenEnabled = true;
|
||
|
}
|
||
|
};
|
||
|
elem.parent().on('scroll', handler);
|
||
|
scope.$on('$destroy', function() {
|
||
|
return elem.parent().off('scroll', handler);
|
||
|
});
|
||
|
return $timeout((function() {
|
||
|
if (attrs.infiniteScrollImmediateCheck) {
|
||
|
if (scope.$eval(attrs.infiniteScrollImmediateCheck)) {
|
||
|
return handler();
|
||
|
}
|
||
|
} else {
|
||
|
return handler();
|
||
|
}
|
||
|
}), 0);
|
||
|
}
|
||
|
};
|
||
|
}
|
||
|
]);
|