4chan Gallery

Adds board title, catalog, gallery, and style to the top bar.

Versione datata 30/01/2017. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name          4chan Gallery
// @version       2.1.3
// @description   Adds board title, catalog, gallery, and style to the top bar.
// @include       http://boards.4chan.org/*
// @include       https://boards.4chan.org/*
// @namespace     https://greasyfork.org/users/3159
// @run-at document-end
// ==/UserScript==         
window.addEventListener('load', function () {

	var bname = document.getElementsByClassName("boardTitle")[0].innerHTML;
	if (bname.indexOf("/ - ") > -1) {
		bname = bname.split("/ - ")[1];
	}
	var path = document.location.pathname.split("/");

	function xc(q, r) {
		a = document.getElementsByClassName("boardList");
		a[0].insertAdjacentHTML(q, r);
		a[1].insertAdjacentHTML(q, r);
		b = document.getElementsByClassName("customBoardList");
		if (b[0]) {
			b[0].insertAdjacentHTML(q, r);
			b[1].insertAdjacentHTML(q, r);
		}
	}
	xc("afterbegin", '[<a href="//boards.4chan.org/' + path[1] + '">' + bname + "</a>] ");
	xc("beforeend", path[2] == "catalog" ? "" : '[<a href="//boards.4chan.org/' + path[1] + '/catalog">Catalog</a>] ');

	function xi(q) {
		var b = document.getElementById(q);
		return b;
	}
	var nr = '<span style="float:right">[<a class=low href=javascript:void(0)>Style</a>]&nbsp<span>';
	xi("navtopright").insertAdjacentHTML("afterend", nr);
	xi("navbotright").insertAdjacentHTML("afterend", nr);

	var themes = ['Yotsuba New', 'Yotsuba B New', 'Futaba New', 'Burichan New', 'Tomorrow', 'Photon'];

	function get() {
		cur = document.cookie.indexOf('ws_style') > -1 ? document.cookie.split('ws_style=')[1].split(';')[0] : 'Yotsuba New';
		for (i = 0; i < themes.length; i++) {
			if (themes[i] == cur) {
				return i;
			}
		}
	}

	function set(a) {
		document.cookie = 'ws_style=' + themes[a];
		if (path[2] == "catalog") {
			location.reload();
		} else {
			location.href = "javascript:setActiveStyleSheet('" + themes[a] + "')";
		}
	}

	function cstyle() {
		if (get() > (themes.length - 2)) {
			set(0);
		}
		else {
			set(get() + 1);
		}
	}
	var low = document.getElementsByClassName("low");
	low[0].onclick = function () {
		cstyle();
	};
	low[1].onclick = function () {
		cstyle();
	};

	if (path[2] == "thread") {
		xc("beforeend", "[<a class=gl href=javascript:void(0)>Gallery</a>] ");
		var s = document.getElementsByClassName("gl");
		for (i = 0; i < s.length; i++) s[i].onclick = function () {
			trigger();
		};
	}

	// code bellow is the gallery, works on most image boards, simply add a way to trigger
	// to test, copy paste code bellow into console then run trigger()

	function trigger() {
		if (find().length) {
			bg.style.display = "block";
			img.style.display = "block";
			ii.style.display = "block";
			ri.style.display = "block";
			larw.style.display = "block";
			rarw.style.display = "block";
            if (!first) ii.innerText = "[ Loading... ]";
			find();
			loader();
		} else {
			endalert();
		}
	}

	function find() {
		var aa = document.getElementsByTagName("a"),
			imgLinks = [];
		for (i = 0; i < aa.length; i++) {
				var link = aa[i].getAttribute("href");
				if (link) {
					ext = link.split(".").pop();
					if ((ext == "jpg" || ext == "png" || ext == "gif") && link.indexOf("google") < 0 && link.indexOf("iqdb") < 0 && link.indexOf("saucenao") < 0) {
						imgLinks.push(link);
					}
				}
			}
		results = imgLinks.filter(function (item, pos) {
				return imgLinks.indexOf(item) == pos;
			});

		var names = document.getElementsByClassName("fileText"),
			title = [];
		for (i = 0; i < names.length; i++) {
				ext = names[i].children[0].getAttribute("href").split(".").pop();
				if (ext == "jpg" || ext == "png" || ext == "gif") {
					n = names[i].children[0].getAttribute("title");
					if (!n) {
						n = names[i].children[0].innerText;
					}
					title.push(n);
				}
			}
		img.src = results[a];
		atitle = title[a] ? title[a] : img.src;
		i2.innerText = "[ " + (a + 1) + "/" + results.length + " ]";
		return results;
	}

	function aii() {
		ii.innerText = "[ " + img.naturalWidth + "x" + img.naturalHeight + " ][ " + atitle + " ]";
	}

	function endalert() {
		if (bg.style.display == "block") {
			b = document.createElement("div");
			c = b.style;
			b.id = "theend";
			for (var d = "0123456789ABCDEF".split(""), a = "#", e = 0; 6 > e; e++) {
				a += d[Math.round(15 * Math.random())];
			}
			c.backgroundColor = a;
			c.cssText += "line-height:50px;width:200px;height:50px;position:fixed;margin:auto;left:0;right:0;top:0;bottom:0;font-size:42px;text-align:center;color:#fff;z-index:10001";
			b.innerText = "The End";
			document.body.appendChild(b);
			setTimeout(function () {
				z = document.getElementById("theend");
				z.parentNode.removeChild(z);
			}, 420);
		}
	}
	var a = 0,
		h = 0,
		first = false,
		atitle, img = new Image(),
		bg = document.createElement("div"),
		larw = document.createElement("div"),
		rarw = document.createElement("div"),
		ii = document.createElement("p"),
                ri = document.createElement("div"),
                i2 = document.createElement("a"),
                dwn = document.createElement("a");
	bg.style.cssText = "opacity:0.9;position:fixed;top:0;left:0;z-index:9999;background-color:black;width:100%;height:100%;display:none";
	bg.onclick = function () {
			bg.style.display = "none";
			img.style.display = "none";
			ii.style.display = "none";
			ri.style.display = "none";
			larw.style.display = "none";
			rarw.style.display = "none";
		};
	document.body.appendChild(bg);
	img.style.cssText = "position:fixed;z-index:10000;max-height:calc(100% - 40px);max-width:calc(100% - 60px);margin:auto;top:0;bottom:0;left:0;right:0;display:none";
	img.onclick = function () {
			if (a < --find().length) {
				ii.innerText = "[ Loading... ]";
				a++;
				find();
			} else {
				endalert();
			}
		};
	img.onload = function () {
			first = true;
			aii();
		};
	document.body.appendChild(img);

	function loader() {
			var timg = new Image();
			timg.src = find()[h];
			timg.onload = function () {
				if (h++ < find().length) {
					loader();
				}
			};
		}
	var iv = "position:fixed;bottom:0;z-index:10000;color:#bababa;margin:0;display:none;";
	ii.style.cssText = iv + "left:0";
	ri.style.cssText = iv + "right:0";
	ii.onclick = function () {
			ii.innerText = "[ Loading... ]";
			a = 0;
			find();
		};
	i2.onclick = function () {
			ii.innerText = "[ Loading... ]";
			a = --find().length;
			find();
		};
        dwn.innerText = "[ ⇩ ]";
        dwn.style.cssText = "color:#bababa !important;text-decoration:none";
        i2.style.cssText = "color:#bababa !important;text-decoration:none";
        dwn.onclick = function () {
                        var link,imgs = document.querySelectorAll(".fileThumb");
                        document.body.innerHTML = "mkdir -p 4curl && cd 4curl && <br />";
                        for (var i = 0; i < imgs.length; i++) {
                            if ( imgs[i].getAttribute("href") ){
                                link = imgs[i].getAttribute("href").split("//")[1];
                                document.body.innerHTML += "curl -O <a download href='" + link + "'>" + link + "</a> && <br />";
                            }
                        }
                        document.body.innerHTML += 'echo "done" <br /><br /> select all and paste into terminal, hit enter, then navigate to folder "4curl"';
       };
	document.body.appendChild(ii);
	document.body.appendChild(ri);
        ri.appendChild(dwn);
        ri.appendChild(i2);
	var arw = "position:fixed;z-index:10000;top:calc(50% - 15px);border-top: 15px solid transparent;border-bottom: 15px solid transparent;display:none;border-";
	larw.style.cssText = arw + "right: 20px solid #bababa;left:5px";
	rarw.style.cssText = arw + "left: 20px solid #bababa;right:5px";
	larw.onclick = function () {
			if (a > 0) {
				ii.innerText = "[ Loading... ]";
				a--;
				find();
			}
		};
	rarw.onclick = function () {
			if (a < --find().length) {
				ii.innerText = "[ Loading... ]";
				a++;
				find();
			} else {
				endalert();
			}
		};
	document.body.appendChild(larw);
	document.body.appendChild(rarw);
	document.addEventListener("keydown", function (e) {
			switch (e.which) {
			case 37:
				if (a > 0 && bg.style.display != "none") {
					ii.innerText = "[ Loading... ]";
					a--;
					find();
				}
				break;
			case 39:
				if (a < --find().length && bg.style.display != "none") {
					ii.innerText = "[ Loading... ]";
					a++;
					find();
				} else {
					endalert();
				}
				break;
			}
		});
});