// ==UserScript==
// @name Tag Preview
// @version 2.02
// @description Show tags on hover.
// @author Hauffen
// @runat document-start
// @include /https?:\/\/(e-|ex)hentai\.org\/.*/
// @require https://code.jquery.com/jquery-3.3.1.min.js
// @namespace https://greasyfork.org/users/285675
// ==/UserScript==
(function() {
let $ = window.jQuery, tags = {};
const elem = {0: '.gl3m a', 1: '.gl3m a', 2: '.gl3c a', 4: '.gl3t a'};
const defaultNamespace = "misc";
const spl = document.URL.split('/');
var element, title;
if ((spl[3].substr(0, 1).match(/[?#fptw]/i) && !spl[3].startsWith('toplist')) || !spl[3]) {
if ($('#tagPreview')) return;
var $tagP = $('<div id="tagPreview">');
$tagP.css({
position: 'absolute',
zIndex: '2',
visiblility: 'hidden !important',
maxWidth: '400px',
background: window.getComputedStyle(document.getElementsByClassName('ido')[0]).backgroundColor,
border: '1px solid #000',
padding: '10px'
});
$tagP.appendTo("body");
$('#tagPreview').css('visibility', 'hidden');
element = elem[$(".searchnav div > select > option:selected").index()];
$('.itg').on('mouseover', `${element}`, function(e) {
if(document.getElementById('tagPreview').children.length > 2) { $tagP.empty(); }
title = this.children[0].title; // Save the title so we can put it back later, probably unnecessary
this.children[0].title = ""; // Clear the title so we don't have it over our new window
var str = this.href.split('/');
generateRequest(str[4], str[5]);
var posY, posX = (e.pageX + 432 < screen.width) ? e.pageX + 10 : e.pageX - 412;
var scrollHeight = $(document).height();
var scrollPosition = $(window).height() + $(window).scrollTop();
if ((scrollHeight - scrollPosition) < (scrollHeight / 10)) { posY = (e.pageY + 300 < scrollHeight) ? e.pageY + 10 : e.pageY - 300; }
else { posY = e.pageY + 10; }
$tagP.css({
left: posX,
top: posY,
border: '1px solid ' + window.getComputedStyle(document.getElementsByTagName("a")[0]).getPropertyValue("color"),
visibility: 'visible'
});
$('#tagPreview').css('visibility', 'visible');
}).on('mousemove', `${element}`,function(e) {
var posY, posX = (e.pageX + 432 < screen.width) ? e.pageX + 10 : e.pageX - 412;
var scrollHeight = $(document).height();
var scrollPosition = $(window).height() + $(window).scrollTop();
if ((scrollHeight - scrollPosition) < (scrollHeight / 10)) { posY = (e.pageY + document.getElementById('tagPreview').offsetHeight < window.innerHeight) ? e.pageY + 10 : e.pageY - 10 - document.getElementById('tagPreview').offsetHeight; }
else { posY = e.pageY + 10; }
$tagP.css({
visibility:'visible',
top: posY,
left: posX
});
$('#tagPreview').css('visibility', 'visible');
}).on('mouseout', `${element}`, function() {
this.children[0].title = title; // Put the saved title back
$tagP.css({
visibility:'hidden'
});
$('#tagPreview').css('visibility', 'hidden');
$tagP.empty(); // Clear out the tag
});
$(document).on('scroll', function() {
$('#tagPreview').css('visibility', 'hidden');
});
} else {
return;
}
/**
* Generate the inner HTML for the tag preview window
* @param {JSON} apirsp - The E-H API response
*/
function generateListing(apirsp) {
generateTags(apirsp); // We actually have to generate the tag list from the raw JSON file
$('#tagPreview').append(`<h1 id="gn">${apirsp.title}</h1><h1 id="gj">${apirsp.title_jpn}</h1>`);
let taglist = "<div id='taglist' style='height:fit-content;'><table><tbody>";
for (const namespace in tags) {
taglist += `<tr><td class="tc">${namespace}:</td><td>`;
for (var i = 0; i < tags[namespace].length; i++) {
taglist += `<div id="td_${namespace}:${tags[namespace][i]}" class="gt" style="opacity:1.0"><a id="ta_${namespace}:${tags[namespace][i]}" href="${document.location.origin}/tag/${namespace}:${tags[namespace][i]}">${tags[namespace][i]}</a></div>`;
}
taglist += "</td></tr>";
}
taglist += "</tbody></table></div>";
$('#tagPreview').append(taglist);
}
/**
* Converts the tag listing within the API response to a categorized array
* @param {JSON} apirsp - The E-H API response
*/
function generateTags(apirsp) {
tags = {}; // Reset the tags array for each new tag listing
if (Array.isArray(apirsp.tags)) {
for (const jsonTag of apirsp.tags) {
const stringTag = getJsonString(jsonTag);
if (stringTag === null) { continue; }
const {tag, namespace} = getTagAndNamespace(stringTag);
let namespaceTags;
if (tags.hasOwnProperty(namespace)) { namespaceTags = tags[namespace]; }
else {
namespaceTags = [];
tags[namespace] = namespaceTags;
}
namespaceTags.push(tag);
}
}
}
/**
* Generate the JSON request for the E-H API
* @param {Integer} gid - The gallery ID
* @param {String} token - The gallery token
*/
function generateRequest(gid, token) {
var reqList = [[gid, token]]; // We use an array for our gidlist, since the API can handle up to 25 galleries per request
var request = {"method": "gdata", "gidlist": reqList, "namespace": 1};
var req = new XMLHttpRequest();
req.onreadystatechange = e => {
if (req.readyState == 4) {
if (req.status == 200) {
var apirsp = JSON.parse(req.responseText);
for (var i = 0; i < apirsp.gmetadata.length; i++) generateListing(apirsp.gmetadata[i]);
} else { console.error(); }
}
}
req.open("POST", document.location.origin + "/api.php", true); // Due to CORS, we need to use the API on the same domain as the script
req.send(JSON.stringify(request));
}
// Helper functions
function getTagAndNamespace(tag) {
const pattern = /^(?:([^:]*):)?([\w\W]*)$/;
const match = pattern.exec(tag);
return (match !== null) ?
({ tag: match[2], namespace: match[1] || defaultNamespace }) :
({ tag: tag, namespace: defaultNamespace });
}
function toProperCase(text) {
return text.replace(/(^|\W)(\w)/g, (m0, m1, m2) => `${m1}${m2.toUpperCase()}`);
}
function getJsonString(value) {
if (typeof(value) === "string") { return value; }
if (typeof(value) === "undefined" || value === null) { return value; }
return `${value}`;
}
})();
