framework/ember/app/views/index.js

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3.6 KiB
JavaScript
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import Ember from 'ember';
import DropdownSelect from '../components/ui/controls/dropdown-select';
import ActionButton from '../components/ui/controls/action-button';
import NavItem from '../components/ui/items/nav-item';
import TaggedArray from '../utils/tagged-array';
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var $ = Ember.$;
export default Ember.View.extend({
sidebarItems: null,
didInsertElement: function() {
// Create and populate an array of items to be rendered in the sidebar.
var sidebarItems = TaggedArray.create();
this.trigger('populateSidebar', sidebarItems);
this.set('sidebarItems', sidebarItems);
// Affix the sidebar so that when the user scrolls down it will stick
// to the top of their viewport.
var $sidebar = this.$('.index-nav');
$sidebar.find('> ul').affix({
offset: {
top: function () {
return $sidebar.offset().top - $('#header').outerHeight(true) - parseInt($sidebar.css('margin-top'));
},
bottom: function () {
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return (this.bottom = $('#footer').outerHeight(true));
}
}
});
// When viewing a discussion (for which the discussions route is the
// parent,) the discussion list is still rendered but it becomes a
// pane hidden on the side of the screen. When the mouse enters and
// leaves the discussions pane, we want to show and hide the pane
// respectively. We also create a 10px 'hot edge' on the left of the
// screen to activate the pane.
var controller = this.get('controller');
this.$('.index-area').hover(function() {
controller.send('showPane');
}, function() {
controller.send('hidePane');
});
$(document).on('mousemove.showPane', function(e) {
if (e.pageX < 10) {
controller.send('showPane');
}
});
},
willDestroyElement: function() {
$(document).off('mousemove.showPane');
},
scrollToDiscussion: function() {
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if (this.get('controller.paned')) {
var view = this;
Ember.run.scheduleOnce('afterRender', function() {
var $index = view.$('.index-area');
var $discussion = $index.find('.discussion-summary.active');
if ($discussion.length) {
var indexTop = $index.offset().top;
var discussionTop = $discussion.offset().top;
if (discussionTop < indexTop || discussionTop + $discussion.outerHeight() > indexTop + $index.outerHeight()) {
$index.scrollTop($index.scrollTop() - indexTop + discussionTop);
}
}
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});
}
}.observes('controller.paned'),
populateSidebarDefault: function(sidebar) {
var view = this;
var newDiscussion = ActionButton.create({
label: 'Start a Discussion',
icon: 'edit',
className: 'btn btn-primary new-discussion',
action: function() {
view.get('controller').send('newDiscussion');
}
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});
sidebar.pushObjectWithTag(newDiscussion, 'newDiscussion');
var nav = TaggedArray.create();
this.trigger('populateNav', nav);
sidebar.pushObjectWithTag(DropdownSelect.create({
items: nav
}), 'nav');
}.on('populateSidebar'),
populateNavDefault: function(nav) {
nav.pushObjectWithTag(NavItem.create({
label: 'All Discussions',
icon: 'comments-o',
linkTo: '"index" (query-params filter="")'
}), 'all');
// The below items are just temporary; they will be extracted into
// extensions in the future.
nav.pushObjectWithTag(NavItem.create({
label: 'Private',
icon: 'envelope-o',
linkTo: '"index" (query-params filter="private")'
}), 'private');
nav.pushObjectWithTag(NavItem.create({
label: 'Following',
icon: 'star',
linkTo: '"index" (query-params filter="following")'
}), 'following');
}.on('populateNav')
});