Creates a Markdown toolbar whenever you make/edit text posts or comments in reddit.com
// ==UserScript==
// @name Markdown toolbar for reddit.com
// @namespace darkred
// @version 1.4.1
// @description Creates a Markdown toolbar whenever you make/edit text posts or comments in reddit.com
// @author wOxxOm, darkred
// @license MIT
// @include https://www.reddit.com/*submit*
// @include https://old.reddit.com/*submit*
// @include https://www.reddit.com/*comments*
// @include https://old.reddit.com/*comments*
// @grant GM_addStyle
// @icon https://raw.githubusercontent.com/dcurtis/markdown-mark/master/png/66x40-solid.png
//
//
// This is a modified version of the script "Markdown toolbar for GreasyFork and UserStyles.org" ()https://greasyfork.org/en/scripts/6779-markdown-toolbar-for-greasyfork-and-userstyles-org)
// Thanks a lot to wOxxOm for making that script.
//
// @supportURL https://github.com/darkred/Userscripts/issues
// ==/UserScript==
var x;
// IF IT'S A SUBMIT PAGE
if (window.location.href.indexOf('submit') > - 1) {
// THEN ADD TOOLBAR TO THE 'NEW POST' TEXTBOX
x = document.querySelectorAll('div.md > textarea:nth-child(1)')[0].parentNode;
addFeatures(x);
}
else {
var textareas = document.querySelectorAll('textarea');
// ADD TOOLBAR: TO EDITING YOUR POST, TO 'NEW COMMENT' FORM AND TO EDITING YOUR EXISTING COMMENT(S)
for (var i = 0; i < textareas.length; i++) {
x = document.querySelectorAll('textarea') [i].parentNode;
addFeatures(x);
}
}
function addFeatures(n) {
n.parentNode.textAreaNode = x.firstChild;
GM_addStyle('\
.Button {\
display: inline-block;\
cursor: pointer;\
margin: 0px;\
font-size: 12px;\
line-height: 1;\
font-weight: bold;\
padding: 4px 6px;\
background: -moz-linear-gradient(center bottom , #CCC 0%, #FAFAFA 100%) repeat scroll 0% 0% #F8F8F8;\
border: 1px solid #999;\
border-radius: 2px;\
white-space: nowrap;\
text-shadow: 0px 1px 0px #FFF;\
box-shadow: 0px 1px 0px #FFF inset, 0px -1px 2px #BBB inset;\
color: #333;}');
// add buttons
btnMake(n, '<b>B</b>', 'Bold', '**');
btnMake(n, '<i>I</i>', 'Italic', '*');
// btnMake(n, '<u>U</u>', 'Underline', '<u>','</u>');
// btnMake(n, '<s>S</s>', 'Strikethrough', '<s>','</s>');
btnMake(n, '<s>S</s>', 'Strikethrough', '~~');
btnMake(n, '^', 'Superscript', '^','', true);
btnMake(n, '\\n', 'Line break', ' \n', '', true);
btnMake(n, '---', 'Horizontal line', '\n\n---\n\n', '', true);
btnMake(n, 'URL', 'Add URL to selected text',
function(e) {
try {edWrapInTag('[', ']('+prompt('URL'+':')+')', edInit(e.target));}
catch(e) {}
});
// btnMake(n, 'Image', 'Convert selected https://url to inline image', '');
btnMake(n, 'Table', 'Insert table template', '\n| head1 | head2 |\n|-------|-------|\n| cell1 | cell2 |\n| cell3 | cell4 |\n', '', true);
btnMake(n, 'Code', 'Apply CODE markdown to selected text',
function(e){
var ed = edInit(e.target);
if (ed.sel.indexOf('\n') < 0)
edWrapInTag('`', '`', ed);
else
edWrapInTag(((ed.sel1==0) || (ed.text.charAt(ed.sel1-1) == '\n') ? '' : '\n') + '```' + (ed.sel.charAt(0) == '\n' ? '' : '\n'),
(ed.sel.substr(-1) == '\n' ? '' : '\n') + '```' + (ed.text.substr(ed.sel2,1) == '\n' ? '' : '\n'),
ed);
});
}
function btnMake(afterNode, label, title, tag1, tag2, noWrap) {
var a = document.createElement('a');
a.className = 'Button';
a.innerHTML = label;
a.title = title;
a.style.setProperty('float','right');
a.addEventListener('click',
typeof(tag1) === 'function'
? tag1
: noWrap ? function(e){edInsertText(tag1, edInit(e.target));}
: function(e){edWrapInTag(tag1, tag2, edInit(e.target));});
var nparent = afterNode.parentNode;
a.textAreaNode = nparent.textAreaNode;
nparent.insertBefore(a, nparent.firstElementChild);
}
function edInit(btn) {
var ed = {node: btn.parentNode.textAreaNode } ;
ed.sel1 = ed.node.selectionStart;
ed.sel2 = ed.node.selectionEnd,
ed.text = ed.node.value;
ed.sel = ed.text.substring(ed.sel1, ed.sel2);
return ed;
}
function edWrapInTag(tag1, tag2, ed) {
ed.node.value = ed.text.substr(0, ed.sel1) + tag1 + ed.sel + (tag2?tag2:tag1) + ed.text.substr(ed.sel2);
ed.node.setSelectionRange(ed.sel1 + tag1.length, ed.sel1 + tag1.length + ed.sel.length);
ed.node.focus();
}
function edInsertText(text, ed) {
ed.node.value = ed.text.substr(0, ed.sel2) + text + ed.text.substr(ed.sel2);
ed.node.setSelectionRange(ed.sel2 + text.length, ed.sel2 + text.length);
ed.node.focus();
}