docjar-helper

hide line numbers for docjar

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        docjar-helper
// @namespace   com.docjar-helper
// @description hide line numbers for docjar
// @include     http://www.docjar.com/html/*.java.html*
// @version     1.1.1
// @grant       none
// ==/UserScript==

function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) { 
			c_start = c_start + c_name.length + 1 ;
			c_end = document.cookie.indexOf(";", c_start);
			if (c_end == -1) {
				c_end = document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start, c_end));
		} 
	}
	return "";
}

function setCookie (c_name, value, expiresecs) {
	var exdate = new Date();
	exdate.setSeconds(exdate.getSeconds() + expiresecs);
	document.cookie = c_name + "=" + escape(value) + ((expiresecs == null) ? "" : ";expires=" + exdate.toGMTString());
}

var pre = document.getElementsByTagName("pre")[0];

var ognlHTML = pre.innerHTML;

function clipLineNumber(ognlHTML) {
	return ognlHTML.replace(new RegExp("[\\s0-9]{5}\\s \\s", "ig"), "");
}

var clippedHTML = clipLineNumber(ognlHTML);

var headDiv = document.getElementsByTagName("div")[0];

var sharp = document.createTextNode("# ");
var hideArchor = document.createElement("a");
var showArchor = document.createElement("a");
hideArchor.innerHTML = "hide line numbers";
showArchor.innerHTML = "show line numbers";

headDiv.appendChild(document.createTextNode("# ["));
headDiv.appendChild(hideArchor);
headDiv.appendChild(document.createTextNode(" | "));
headDiv.appendChild(showArchor);
headDiv.appendChild(document.createTextNode("]"));

function hideLineNum() {
	pre.innerHTML = clippedHTML;
	showArchor.onclick = showLineNum;
	hideArchor.onclick = null;
	showArchor.href = "#show-line-numbers";
	hideArchor.removeAttribute("href");
	location.hash = "hide-line-numbers";
	setCookie("line-number-display", "hidden");
}

function showLineNum() {
	pre.innerHTML = ognlHTML;
	hideArchor.onclick = hideLineNum;
	showArchor.onclick = null;
	hideArchor.href = "#hide-line-numbers";
	showArchor.removeAttribute("href");
	location.hash = "show-line-numbers";
	setCookie("line-number-display", "onshow");
}

if (location.hash == "#hide-line-numbers") {
	hideLineNum();
} else if (location.hash == "#show-line-numbers") {
	showLineNum();
} else if (getCookie("line-number-display") == "onshow") {
	showLineNum();
} else if (getCookie("line-number-display") == "hidden") {
	hideLineNum();
} else {
	showLineNum();
}