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feat($ionicScrollDelegate): rememberScrollPosition, scrollToRememberedPosition

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/**
 * @ngdoc method
 * @name $ionicScrollDelegate#rememberScrollPosition
 * @description
 *
 * When this scroll area is destroyed, its last scroll position will be
 * saved using the given id.
 *
 * @param {string} id The identifier for this saved scroll position.
 */

/**
 * @ngdoc method
 * @name $ionicScrollDelegate#scrollToRememberedPosition
 * @description
 *
 * If a scroll position was remembered using the given id, loads the
 * remembered scroll position and scrolls there.
 *
 * @param {string} id The identifier for this saved scroll position.
 * @param {boolean=} shouldAnimate Whether to animate the scroll.
 */
This commit is contained in:
Andy Joslin
2014-03-17 08:39:23 -06:00
parent cc0a4ef775
commit 5a0efecef6
8 changed files with 159 additions and 98 deletions
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26
js/ext/angular/src/controller/ionicScrollController.js vendored
View File

@@ -6,7 +6,7 @@ angular.module('ionic.ui.scroll')
/**
* @private
*/
.controller('$ionicScroll', ['$scope', 'scrollViewOptions', '$timeout', '$ionicScrollDelegate', '$window', '$ionicViewService', function($scope, scrollViewOptions, $timeout, $ionicScrollDelegate, $window, $ionicViewService) {
.controller('$ionicScroll', ['$scope', 'scrollViewOptions', '$timeout', '$ionicScrollDelegate', '$window', function($scope, scrollViewOptions, $timeout, $ionicScrollDelegate, $window) {
var self = this;
@@ -34,13 +34,27 @@ angular.module('ionic.ui.scroll')
var resize = angular.bind(scrollView, scrollView.resize);
$window.addEventListener('resize', resize);
$scope.$on('$viewContentLoaded', function(e, historyData) {
if (e.defaultPrevented) {
return;
}
//only the top-most scroll area under a view should remember that view's
//scroll position
e.preventDefault();
var values = historyData && historyData.rememberedScrollValues;
if (values) {
$timeout(function() {
scrollView.scrollTo(+values.left || null, +values.top || null);
}, 0, false);
}
$scope.$on('$destroy', function() {
historyData && (historyData.rememberedScrollValues = scrollView.getValues());
});
});
$scope.$on('$destroy', function() {
$window.removeEventListener('resize', resize);
var view = $ionicViewService.getCurrentView();
if (view) {
view.rememberedScrollValues = scrollView.getValues();
}
});
this.setRefresher = function(refresherScope, refresherElement) {