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Code Issues Releases Wiki Activity

Retain scroll position when navigating between index/discussion

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This commit is contained in:
Toby Zerner
2015-05-07 10:27:04 +09:30
parent a1ce2fa2ef
commit 6b8dfdfb1c
3 changed files with 33 additions and 3 deletions
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21
js/forum/src/components/index-page.js
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@@ -8,6 +8,7 @@ import DiscussionList from 'flarum/components/discussion-list';
import WelcomeHero from 'flarum/components/welcome-hero';
import ComposerDiscussion from 'flarum/components/composer-discussion';
import LoginModal from 'flarum/components/login-modal';
import DiscussionPage from 'flarum/components/discussion-page';
import SelectInput from 'flarum/components/select-input';
import ActionButton from 'flarum/components/action-button';
@@ -33,13 +34,17 @@ export default class IndexPage extends Component {
app.cache.discussionList = new DiscussionList({params});
}
if (app.current instanceof DiscussionPage) {
this.lastDiscussion = app.current.discussion();
}
app.history.push('index');
app.current = this;
app.composer.minimize();
}
onunload() {
app.cache.discussionList.willRedraw();
app.cache.scrollTop = $(window).scrollTop();
}
/**
@@ -123,6 +128,20 @@ export default class IndexPage extends Component {
context.onunload = function() {
$('body').removeClass('index-page');
}
var scrollTop = app.cache.scrollTop;
$(window).scrollTop(scrollTop);
if (this.lastDiscussion) {
var $discussion = this.$('.discussion-summary[data-id='+this.lastDiscussion.id()+']');
if ($discussion.length) {
var indexTop = $('#header').outerHeight();
var discussionTop = $discussion.offset().top;
if (discussionTop < scrollTop + indexTop || discussionTop + $discussion.outerHeight() > scrollTop + $(window).height()) {
$(window).scrollTop(discussionTop - indexTop);
}
}
}
}
newDiscussion() {