javascript/ionic-framework
1
0
Fork 0
mirror of https://github.com/ionic-team/ionic-framework.git synced 2026-03-13 10:22:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

feat($ionicScrollDelegate): rememberScrollPosition, scrollToRememberedPosition

Browse Source 
/**
 * @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
Download Patch File Download Diff File Expand all files Collapse all files

57
js/ext/angular/test/directive/ionicContent.unit.js
View File

@@ -81,63 +81,6 @@ describe('Ionic Content directive', function() {
expect(vals.top).toBe(300);
});
describe('save scroll', function() {
function compileWithParent() {
var parent = angular.element('<div>');
//Make a phony element that tells the world it's a navView when in reality it's just a div
parent.data('$navViewController', true);
parent.append('<ion-content><br/><div>hello</div><br/></ion-content>');
compile(parent)(scope);
scope.$apply();
/* Mock setting and getting scroll because we don't have time for the dom to load */
var scrollValues = {};
spyOn(scope.scrollView, 'scrollTo').andCallFake(function(left, top, a, zoom) {
scrollValues = {
left: left || 0,
top: top || 0,
zoom: zoom || 1
};
});
spyOn(scope.scrollView, 'getValues').andCallFake(function() {
return scrollValues;
});
}
it('should set x and y with historyData.scrollValues passed in through $viewContentLoaded', function() {
compileWithParent();
var scrollValues = { top: 40, left: -20, zoom: 3 };
scope.$broadcast('$viewContentLoaded', {
scrollValues: scrollValues
});
timeout.flush();
expect(scope.scrollView.scrollTo.mostRecentCall.args).toEqual([-20, 40]);
});
it('should set null with historyData.scrollValues not valid', function() {
compileWithParent();
var scrollValues = { left: 'bar', top: 'foo' };
scope.$broadcast('$viewContentLoaded', { scrollValues: scrollValues });
timeout.flush();
expect(scope.scrollView.scrollTo.mostRecentCall.args).toEqual([null, null]);
});
it('should save scroll on the historyData passed in on $destroy', function() {
compileWithParent();
var historyData = {};
scope.$broadcast('$viewContentLoaded', historyData);
timeout.flush();
scope.scrollView.scrollTo(null, 9, false);
expect(historyData.scrollValues).toBeUndefined(); //sanity test
scope.$destroy();
expect(historyData.scrollValues).toEqual({
left: 0,
top: 9,
zoom: 1
});
});
});
});
/* Tests #555 */
describe('Ionic Content Directive scoping', function() {