Ghost/core/client/app/views/post-item-view.js
Austin Burdine 86e47ee4a9 removes usage of prototype extensions
No issue
- removes more usage of function prototype extensions in favor of Ember functions
- replaces some event calls with the direct function name
- adds comments to functions replaced with the event name
2015-06-15 14:07:25 -04:00

56 lines
1.7 KiB
JavaScript

import Ember from 'ember';
var PostItemView = Ember.View.extend({
classNameBindings: ['active', 'isFeatured:featured', 'isPage:page'],
active: null,
isFeatured: Ember.computed.alias('controller.model.featured'),
isPage: Ember.computed.alias('controller.model.page'),
doubleClick: function () {
this.get('controller').send('openEditor');
},
click: function () {
this.get('controller').send('showPostContent');
},
scrollIntoView: function () {
if (!this.get('active')) {
return;
}
var element = this.$(),
offset = element.offset().top,
elementHeight = element.height(),
container = Ember.$('.js-content-scrollbox'),
containerHeight = container.height(),
currentScroll = container.scrollTop(),
isBelowTop,
isAboveBottom,
isOnScreen;
isAboveBottom = offset < containerHeight;
isBelowTop = offset > elementHeight;
isOnScreen = isBelowTop && isAboveBottom;
if (!isOnScreen) {
// Scroll so that element is centered in container
// 40 is the amount of padding on the container
container.clearQueue().animate({
scrollTop: currentScroll + offset - 40 - containerHeight / 2
});
}
},
willDestroyElement: function () {
// removes the scrollIntoView observer
this.removeObserver('active', this, this.scrollIntoView);
},
didInsertElement: function () {
// adds the scrollIntoView observer
this.addObserver('active', this, this.scrollIntoView);
}
});
export default PostItemView;