☰

4chan Gallery

Adds a gallery mode and title to customBoardList.

Pada tanggal 29 Oktober 2014. Lihat %(latest_version_link).

// ==UserScript==
// @name			4chan Gallery
// @version			1.0.6
// @description			Adds a gallery mode and title to customBoardList.
// @include			*://boards.4chan.org/*
// @namespace			https://greasyfork.org/users/3159
// ==/UserScript==

function s(q){var b = document.getElementById(q);return b}
setTimeout(function(){
var boardname = document.getElementsByClassName('boardTitle')[0].innerHTML.split('/ - ')[1];
var boardlink = document.location.href.split('thread/')[0];
var cb = document.getElementsByClassName('customBoardList'),a = 0;
cb[0].insertAdjacentHTML('afterbegin','[<a href="' + boardlink + '">' + boardname + '</a>] ');
cb[1].insertAdjacentHTML('afterbegin','[<a href="' + boardlink + '">' + boardname + '</a>] ');

if (document.location.href.indexOf('/thread/') > 0){
cb[0].insertAdjacentHTML('beforeend','[<a id="glink" href="#">Gallery</a>]');
cb[1].insertAdjacentHTML('beforeend','[<a id="glink2" href="#">Gallery</a>]');
s("glink").onclick=function(){view()};
s("glink2").onclick=function(){view()};
s('bottom').insertAdjacentHTML('afterend','<div id="bg" style="opacity:0.9;position:fixed;top:0;left:0;z-index:9999;background-color:black;width:100%;height:100%;display:none"></div><div id="inner""></div>');
var arw = 'position:absolute;z-index:10000;top:calc(50% - 15px);border-top: 15px solid transparent;border-bottom: 15px solid transparent;display:none;'
s('inner').insertAdjacentHTML('afterend','<div id="larrow" style="' + arw + 'border-right: 20px solid #bababa;left:5px"></div>');
s('inner').insertAdjacentHTML('afterend','<div id="rarrow" style="' + arw + 'border-left: 20px solid #bababa;right:5px"></div>');
s('larrow').onclick=function(){if(a>0){a--;s('inner').children[0].src = array()[a];nbr()}};
s('rarrow').onclick=function(){if(a<(array().length-1)){a++;s('inner').children[0].src = array()[a];nbr()}};
s('larrow').insertAdjacentHTML('afterend','<p id="n" style="color:white;margin:0;position:absolute;bottom:0;right:0;z-index:10000;display:none">[' + (a+1) + '/' + array().length + ']</p>');
s('bg').onclick=function(){this.style.display = 'none';s('inner').style.display = 'none';s('larrow').style.display = 'none';s('rarrow').style.display = 'none';s('n').style.display = 'none'};

function view(){
	s('bg').style.display = 'block';
	s('inner').style.display = 'block';
	s('larrow').style.display = 'block';
	s('rarrow').style.display = 'block';
	s('n').style.display = 'block';
	if (a<1){
		var img = new Image();
		img.style.cssText="position:absolute;z-index:10000;max-height:calc(100% - 40px);max-width:calc(100% - 60px);top:0;bottom:0;margin-top:auto;margin-bottom:auto;margin-left:auto;margin-right:auto;left:0;right:0";
		img.src = array()[0];
		img.onclick = function(){
			if (a < (array().length - 1)){
				a++;
				img.src = array()[a];
				nbr();
			}
		}
		s('inner').appendChild(img);
	}
	pre(array());
}
function nbr(){
	s('n').innerHTML = '[' + (a+1) + '/' + array().length + ']';
}
function array(){
	var imgs = document.getElementsByClassName('fileThumb'),b=[];
	for (var c=0;c<imgs.length;c++){
		if((imgs[c].getAttribute('href').indexOf('webm')) < 0){
			b.push(imgs[c].getAttribute('href'));
		}
	}
	return b;
}
function pre(arrayOfImages, index) {
    index = index || 0;
    if (arrayOfImages && arrayOfImages.length && arrayOfImages.length > index) {
        var img = new Image();
        img.onload = function() {
            pre(arrayOfImages, index + 1);
        };
        img.src = arrayOfImages[index];
    }
}
document.addEventListener("keydown", function(e){
	switch(e.which){
		case 39:
			if(a<(array().length-1)){a++;s('inner').children[0].src = array()[a];nbr()};
			break;
		case 37:
			if(a>0){a--;s('inner').children[0].src = array()[a];nbr()};
			break;
	}
});
}
}, 1000);