// ==UserScript==
// @name Add button on exhentai searchbox
// @description Add your favorite keyword/tag on the searchbox
// @license MIT
// @version 0.7
// @match https://exhentai.org/*
// @run-at document-start
// @namespace https://greasyfork.org/users/383371
// ==/UserScript==
function convertColor(hexa){
let chunks = [];
let tmp,i;
hexa = hexa.substr(1); // remove the pound
if ( hexa.length === 3){
tmp = hexa.split("");
for(i=0;i<3;i++){
chunks.push(parseInt(tmp[i]+""+tmp[i],16));
}
}else if (hexa.length === 6){
tmp = hexa.match(/.{2}/g);
for(i=0;i<3;i++){
chunks.push(parseInt(tmp[i],16));
}
}else {
throw new Error("'"+hexa+"' is not a valid hex format");
}
return chunks;
}
function convertToHexColor(decArray){
let i,l = decArray.length,
hexColor = "#";
for (i=0;i<l;i++){
hexColor += decArray[i].toString(16).padStart(2, '0');
}
return hexColor;
}
function add_btn(tag, name, color=null){
let ep1 = document.createElement('input');
if(color){
ep1.style.background = color;
}
ep1.type = 'button';
ep1.value = name;
ep1.tag = tag;
ep1.onclick = function(e){
let search_box = document.getElementById('searchbox').firstChild.childNodes[2].childNodes[0];
let search_submit = document.getElementById('searchbox').firstChild.childNodes[2].childNodes[1];
if(search_box.value.indexOf(e.target.tag) == -1){
search_box.value = (search_box.value+ ' ' + e.target.tag).trim();
search_submit.click();
}else{
search_box.value = search_box.value.replace(e.target.tag, '').trim();
}
}
ep1.oncontextmenu = delete_tag;
/*function(e){
e.preventDefault();
let name = e.target.value
let result = confirm('Delete [' + name + ']?');
if(result){
let config = JSON.parse(window.localStorage.getItem('config'));
let new_config = [];
for(e of config){
if(e[1] != name){
new_config.push(e);
}
}
window.localStorage.setItem('config', JSON.stringify(new_config));
window.location.href = window.location.href;
}
}*/
ep1.id = 'tag_' + name;
ep1.draggable = true;
ep1.ondragstart = drag;
ep1.ondrop = drop;
ep1.ondragover = allow_drop;
document.getElementById('searchbox').firstChild.childNodes[2].append(ep1);
}
function add_tag(tag, name){
let config = JSON.parse(window.localStorage.getItem('config'));
if(!config){
config = [];
}
config.push([tag, name]);
window.localStorage.setItem('config', JSON.stringify(config));
let search_tag_config = JSON.parse(window.localStorage.getItem('search_tag_config'));
if(!search_tag_config){
search_tag_config = [];
if(config){
for(let ele of config){
search_tag_config.push(
{
'key': ele[1],
'value': ele[0],
'color': '',
}
);
}
}
}else{
search_tag_config.push(
{
'key': name,
'value': tag,
'color': '',
}
);
}
window.localStorage.setItem('search_tag_config', JSON.stringify(search_tag_config));
}
function add_add_tag_btn(){
let ep0 = document.createElement('div');
let ep1 = document.createElement('input');
let ep2 = document.createElement('input');
ep1.id = 'operation_button';
ep1.type = 'button';
ep1.value = '+';
ep1.onclick = function(){
var tag_name = prompt('tag#name or tag. [language:chinese$#Chinese] or [language:chinese$]', '');
if(!tag_name){
return;
}
if(tag_name.includes('#')){
let tmp = tag_name.split('#');
let tag = tmp[0];
let name = tmp[1];
add_tag(tag, name);
window.location.href = window.location.href;
return;
}else{
var tag = tag_name;
}
var name = prompt('name', '');
if(!name){
return;
}
add_tag(tag, name);
window.location.href = window.location.href;
}
ep1.oncontextmenu = function(e){
e.preventDefault();
ep2.click();
}
ep2.type = 'color';
ep2.hidden = true;
ep2.id = 'color_panel';
ep2.onchange = sync_color;
ep0.append(ep1);
ep0.append(ep2);
ep0.style.display = 'inline';
ep0.id = 'operation_box';
ep0.draggable = true;
ep0.ondragstart = drag;
ep0.ondrop = drop;
ep0.ondragover = allow_drop;
document.getElementById('searchbox').firstChild.childNodes[2].append(ep0);
}
window.addEventListener('DOMContentLoaded',function(event){
if(document.getElementById('searchbox')){
add_add_tag_btn();
let ep_br = document.createElement('p');
ep_br.value = '<br>';
document.getElementById('searchbox').firstChild.childNodes[2].append(ep_br);
let search_tag_config = JSON.parse(window.localStorage.getItem('search_tag_config'));
let config = JSON.parse(window.localStorage.getItem('config'))
if(search_tag_config){
for(let e of search_tag_config){
add_btn(e.value, e.key, e.color);
}
for(let i=search_tag_config.length;i<config.length;i++){
add_btn(config[i][0], config[i][1]);
}
}else{
if(config){
for(let e of config){
add_btn(e[0], e[1]);
}
}
}
document.getElementById('searchbox').firstChild.childNodes[2].firstChild.style.width = '519px';
}
});
function drag(e){
e.dataTransfer.setData("target_id", e.target.id);
}
function sync_color(e){
let color_codes = convertColor(document.getElementById('color_panel').value);
let radial_color_codes = [Math.max(color_codes[0]-32, 0), Math.max(color_codes[1]-32, 0), Math.max(color_codes[2]-32, 0)];
document.getElementById('operation_button').style.background = `radial-gradient(${convertToHexColor(radial_color_codes)},${convertToHexColor(color_codes)})`;
}
function drop(event){
event.preventDefault();
let drop_target = event.target;
let drag_target_id = event.dataTransfer.getData('target_id');
if(drag_target_id.startsWith('tag')){
let drag_target = document.getElementById(drag_target_id);
let tmp = document.createElement('span');
tmp.className = 'hide';
drop_target.before(tmp);
drag_target.before(drop_target);
tmp.replaceWith(drag_target);
}else if(drag_target_id == 'operation_box'){
let color_codes = convertColor(document.getElementById('color_panel').value);
let radial_color_codes = [Math.max(color_codes[0]-32, 0), Math.max(color_codes[1]-32, 0), Math.max(color_codes[2]-32, 0)];
console.log(radial_color_codes);
console.log(convertToHexColor(color_codes));
console.log(convertToHexColor(radial_color_codes));
event.target.style.background = `radial-gradient(${convertToHexColor(radial_color_codes)},${convertToHexColor(color_codes)})`;
}
save_tags();
}
function allow_drop(e){
e.preventDefault();
}
function save_tags(){
let tags_list = document.getElementById('searchbox').firstChild.childNodes[2].childNodes;
let config = [];
let search_tag_config = [];
for(let i=5;i<tags_list.length;i++){
config.push([tags_list[i].tag, tags_list[i].value]);
search_tag_config.push(
{
'key': tags_list[i].value,
'value': tags_list[i].tag,
'color': tags_list[i].style.background,
}
);
}
window.localStorage.setItem('config', JSON.stringify(config));
window.localStorage.setItem('search_tag_config', JSON.stringify(search_tag_config));
}
function delete_tag(e){
e.preventDefault();
let name = e.target.value
let result = confirm('Delete [' + name + ']?');
if(result){
let config = JSON.parse(window.localStorage.getItem('config'));
if(config){
let new_config = [];
for(e of config){
if(e[1] != name){
new_config.push(e);
}
}
window.localStorage.setItem('config', JSON.stringify(new_config));
}
let search_tag_config = JSON.parse(window.localStorage.getItem('search_tag_config'));
if(search_tag_config){
let new_search_tag_config = [];
for(let ele of search_tag_config){
if(ele.key != name){
new_search_tag_config.push(
{
'key': ele.key,
'value': ele.value,
'color': ele.color,
}
);
}
}
window.localStorage.setItem('search_tag_config', JSON.stringify(new_search_tag_config));
}
window.location.href = window.location.href;
}
}
