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feat($ionicScrollDelegate): add .anchorScroll() function

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Scrolls to the location of element with id matching $location.hash(). If
$location.hash() is blank or the id does not exist, it will scroll to
the top.
This commit is contained in:
Andy Joslin
2014-02-09 11:37:30 -05:00
parent a970f0bdc3
commit c2bbd9e96e
2 changed files with 103 additions and 10 deletions
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38
js/ext/angular/src/service/delegates/ionicScrollDelegate.js vendored
View File

@@ -3,7 +3,7 @@
angular.module('ionic.ui.service.scrollDelegate', [])
.factory('$ionicScrollDelegate', ['$rootScope', '$timeout', '$q', function($rootScope, $timeout, $q) {
.factory('$ionicScrollDelegate', ['$rootScope', '$timeout', '$q', '$anchorScroll', '$location', '$document', function($rootScope, $timeout, $q, $anchorScroll, $location, $document) {
return {
/**
* Trigger a scroll-to-top event on child scrollers.
@@ -17,6 +17,9 @@ angular.module('ionic.ui.service.scrollDelegate', [])
resize: function() {
$rootScope.$broadcast('scroll.resize');
},
anchorScroll: function() {
$rootScope.$broadcast('scroll.anchorScroll');
},
tapScrollToTop: function(element) {
var _this = this;
@@ -47,29 +50,46 @@ angular.module('ionic.ui.service.scrollDelegate', [])
* $scope {Scope} the scope to register and listen for events
*/
register: function($scope, $element) {
//Get scroll controller from parent
var scrollCtrl = $element.controller('$ionicScroll');
if (!scrollCtrl) {
return;
}
var scrollView = scrollCtrl.scrollView;
var scrollEl = scrollCtrl.element;
function scrollViewResize() {
// Run the resize after this digest
return $timeout(function() {
$scope.$parent.scrollView && $scope.$parent.scrollView.resize();
scrollView.resize();
});
}
$element.bind('scroll', function(e) {
$scope.onScroll({
$scope.onScroll && $scope.onScroll({
event: e,
scrollTop: e.detail ? e.detail.scrollTop : e.originalEvent ? e.originalEvent.detail.scrollTop : 0,
scrollLeft: e.detail ? e.detail.scrollLeft: e.originalEvent ? e.originalEvent.detail.scrollLeft : 0
});
});
$scope.$parent.$on('scroll.resize', function(e) {
scrollViewResize();
});
$scope.$parent.$on('scroll.resize', scrollViewResize);
// Called to stop refreshing on the scroll view
$scope.$parent.$on('scroll.refreshComplete', function(e) {
$scope.$parent.scrollView && $scope.$parent.scrollView.finishPullToRefresh();
scrollView.finishPullToRefresh();
});
$scope.$parent.$on('scroll.anchorScroll', function() {
var hash = $location.hash();
var elm;
//If there are multiple with this id, go to first one
if (hash && (elm = $document.body.querySelectorAll('#' + hash)[0])) {
var scroll = ionic.DomUtil.getPositionInParent(elm, scrollEl);
scrollView.scrollTo(scroll.left, scroll.top);
} else {
scrollView.scrollTo(0,0);
}
});
/**
@@ -79,12 +99,12 @@ angular.module('ionic.ui.service.scrollDelegate', [])
*/
$scope.$parent.$on('scroll.scrollTop', function(e, animate) {
scrollViewResize().then(function() {
$scope.$parent.scrollView && $scope.$parent.scrollView.scrollTo(0, 0, animate === false ? false : true);
scrollView.scrollTo(0, 0, animate === false ? false : true);
});
});
$scope.$parent.$on('scroll.scrollBottom', function(e, animate) {
scrollViewResize().then(function() {
var sv = $scope.$parent.scrollView;
var sv = scrollView;
if (sv) {
var max = sv.getScrollMax();
sv.scrollTo(0, max.top, animate === false ? false : true);