{"action":"created","issue":{"url":"https://api.github.com/repos/miguelcobain/ember-paper/issues/220","labels_url":"https://api.github.com/repos/miguelcobain/ember-paper/issues/220/labels{/name}","comments_url":"https://api.github.com/repos/miguelcobain/ember-paper/issues/220/comments","events_url":"https://api.github.com/repos/miguelcobain/ember-paper/issues/220/events","html_url":"https://github.com/miguelcobain/ember-paper/issues/220","id":116765398,"number":220,"title":"Tab key","user":{"login":"m-hafi","id":7603424,"avatar_url":"https://avatars.githubusercontent.com/u/7603424?v=3","gravatar_id":"","url":"https://api.github.com/users/m-hafi","html_url":"https://github.com/m-hafi","followers_url":"https://api.github.com/users/m-hafi/followers","following_url":"https://api.github.com/users/m-hafi/following{/other_user}","gists_url":"https://api.github.com/users/m-hafi/gists{/gist_id}","starred_url":"https://api.github.com/users/m-hafi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/m-hafi/subscriptions","organizations_url":"https://api.github.com/users/m-hafi/orgs","repos_url":"https://api.github.com/users/m-hafi/repos","events_url":"https://api.github.com/users/m-hafi/events{/privacy}","received_events_url":"https://api.github.com/users/m-hafi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-11-13T13:07:10Z","updated_at":"2015-11-13T15:00:10Z","closed_at":null,"body":"Pressing the Tab key on a page that lists paper items with paper button and have paper icon or paper menu icon, will change the position of that icon."},"comment":{"url":"https://api.github.com/repos/miguelcobain/ember-paper/issues/comments/156454331","html_url":"https://github.com/miguelcobain/ember-paper/issues/220#issuecomment-156454331","issue_url":"https://api.github.com/repos/miguelcobain/ember-paper/issues/220","id":156454331,"user":{"login":"joukevandermaas","id":1257578,"avatar_url":"https://avatars.githubusercontent.com/u/1257578?v=3","gravatar_id":"","url":"https://api.github.com/users/joukevandermaas","html_url":"https://github.com/joukevandermaas","followers_url":"https://api.github.com/users/joukevandermaas/followers","following_url":"https://api.github.com/users/joukevandermaas/following{/other_user}","gists_url":"https://api.github.com/users/joukevandermaas/gists{/gist_id}","starred_url":"https://api.github.com/users/joukevandermaas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/joukevandermaas/subscriptions","organizations_url":"https://api.github.com/users/joukevandermaas/orgs","repos_url":"https://api.github.com/users/joukevandermaas/repos","events_url":"https://api.github.com/users/joukevandermaas/events{/privacy}","received_events_url":"https://api.github.com/users/joukevandermaas/received_events","type":"User","site_admin":false},"created_at":"2015-11-13T15:00:10Z","updated_at":"2015-11-13T15:00:10Z","body":"So I investigated it a little, and it turns out it's this line from `didInsertElement` in the `paper-item` component:\r\n\r\n```js\r\nthis.$('.md-icon-button').addClass('md-secondary-container');\r\n```\r\n\r\nThis makes the alignment happen, but apparently when a button gets focus it sets the `classNames` property again, causing Ember to overwrite all existing classes.\r\n"}}