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'use strict';
const events = require('../events.js');
const views = require('../util/views.js');
const iosCorrectedInnerHeight = require('ios-inner-height');
const PostContentControl = require('../controls/post_content_control.js');
const template = views.getTemplate('metric-sorter');
const sideTemplate = views.getTemplate('metric-sorter-side');
//TODO: find a way to export these constants once
const LEFT = 'left';
const RIGHT = 'right';
class MetricSorterView extends events.EventTarget {
constructor(ctx) {
super();
this._ctx = ctx;
this._hostNode = document.getElementById('content-holder');
views.replaceContent(this._hostNode, template(ctx));
this._formNode.addEventListener('submit', e => this._evtFormSubmit(e));
this._skipButtonNode.addEventListener('click', e => this._evtSkipClick(e));
this._compareLessBtnNode.addEventListener('click', e => this._evtCompareClick(e));
this._compareGreaterBtnNode.addEventListener('click', e => this._evtCompareClick(e));
this._refreshCompareButton();
}
installLeftPost(post) {
this._leftPostControl = this._installPostControl(post, this._leftSideNode);
}
installRightPost(post) {
this._rightPostControl = this._installPostControl(post, this._rightSideNode);
}
_installPostControl(post, sideNode) {
views.replaceContent(
sideNode,
sideTemplate(Object.assign({}, this._ctx, {
post: post,
})));
let containerNode = this._getSidePostContainerNode(sideNode);
return new PostContentControl(
containerNode,
post,
() => {
// TODO: come up with a more reliable resizing mechanism
return window.innerWidth < 1000 ?
[
window.innerWidth,
iosCorrectedInnerHeight() / 2
] : [
containerNode.getBoundingClientRect().width,
window.innerHeight - containerNode.getBoundingClientRect().top -
this._buttonsNode.getBoundingClientRect().height * 2
];
});
}
clearMessages() {
views.clearMessages(this._hostNode);
}
enableForm() {
views.enableForm(this._formNode);
}
disableForm() {
views.disableForm(this._formNode);
}
showSuccess(message) {
views.showSuccess(this._hostNode, message);
}
showError(message) {
views.showError(this._hostNode, message);
}
get _formNode() {
return this._hostNode.querySelector('form');
}
get _leftSideNode() {
return this._hostNode.querySelector('.left-post-container');
}
get _rightSideNode() {
return this._hostNode.querySelector('.right-post-container');
}
get _compareGreaterBtnNode() {
return this._hostNode.querySelector('.left-gt-right')
}
get _compareLessBtnNode() {
return this._hostNode.querySelector('.left-lt-right')
}
get _buttonsNode() {
return this._hostNode.querySelector('.buttons');
}
get _skipButtonNode() {
return this._hostNode.querySelector('.skip-btn');
}
_getSidePostContainerNode(sideNode) {
return sideNode.querySelector('.post-container');
}
_evtSkipClick(e) {
e.preventDefault();
this.dispatchEvent(new CustomEvent('skip'));
}
_evtFormSubmit(e) {
e.preventDefault();
this.dispatchEvent(new CustomEvent('submit', {
detail: {
greaterPost: this._ctx.greaterPost,
}}));
}
_evtCompareClick(e) {
e.preventDefault();
this._ctx.greaterPost = this._ctx.greaterPost === LEFT ? RIGHT : LEFT;
this._refreshCompareButton();
}
_refreshCompareButton() {
this._compareGreaterBtnNode.hidden = this._ctx.greaterPost === RIGHT;
this._compareLessBtnNode.hidden = this._ctx.greaterPost === LEFT;
}
}
module.exports = MetricSorterView;
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