// ==UserScript==
// @name         SteamGifts comment formatting
// @description  Adds buttons to help you with formatting your comments and managing pictures and emoticons.
// @author       Bladito
// @version      0.7.1
// @homepageURL  https://greasyfork.org/en/users/55159-bladito
// @match        https://www.steamgifts.com/*
// @namespace    Bladito/sg-comment-formatting
// @require      http://code.jquery.com/jquery-latest.js
// @grant        GM_addStyle
// ==/UserScript==
(function($) {
'use strict';
var storageImage = 'Bladito_sg_comments_images';
var storageEmojis = 'Bladito_sg_comments_emojis';
var commentTextareas = $('textarea[name="description"]');
var targetTextarea; //textarea used for inserting images/emojis
var lastRemovedImage, lastRemovedEmoji;
if (commentTextareas.length) {
enrichJquery();
addStyles();
addControls();
}
//--------------------------------------------------------------------------------------------------
function addControls() {
addWrappingFormatter('<i class="fa fa-italic"></i>', 'Italics', '*');
addWrappingFormatter('<i class="fa fa-bold"></i>', 'Bold', '**');
addWrappingFormatter('<i class="fa fa-italic"></i><i class="fa fa-bold"></i>', 'Italics and bold', '***');
addWrappingFormatter('<i class="fa fa-low-vision"></i>', 'Spoiler', '~');
addWrappingFormatter('<i class="fa fa-strikethrough"></i>', 'Strike through', '~~');
addEmojis();
addImages();
commentTextareas.on('paste', handlePastedURL);
}
function addWrappingFormatter(buttonText, title, wrappingCharacters) {
var bold = $('<button type="button" class="bsg-formatting-btn" title="' + title + '">' + buttonText + '</button>');
bold.on('click', function() {
insertToTextarea($(this).siblings('textarea'), wrappingCharacters, undefined, wrappingCharacters, function(textarea, textSelection) {
textarea.bsgSelectRange(textSelection.start + wrappingCharacters.length, textSelection.end + wrappingCharacters.length);
});
});
commentTextareas.before(bold);
}
function addEmojis() {
var emojiPopup = $('<div class="bsg-emojis-popup">'+
'<div class="bsg-emojis-undo-area">Emoji removed. <a class="bsg-undo-emoji-btn">Undo</a><i class="bsg-emojis-undo-area-close fa fa-times"></i></div>' +
'<div class="bsg-emojis-add-area">' +
'<input class="bsg-add-emoji-input" placeholder="Add new Emoji here..."/>' +
'<button class="bsg-add-emoji-btn" type="button"><i class="fa fa-plus"></i></button>' +
'</div>' +
'<div class="bsg-emojis-container"></div></div>'),
emojiButton = $('<button type="button" class="bsg-formatting-btn bsg-emojis-dropdown"><i class="fa fa-smile-o"></i></button>'),
storedEmojis = getStoredEmojis();
$('body').append(emojiPopup);
commentTextareas.before(emojiButton);
for (var i=0; i<storedEmojis.length; i+=1) {
addEmoji(storedEmojis[i]);
}
$(document).mouseup(function(e) {
if (!emojiPopup.is(e.target) && emojiPopup.has(e.target).length === 0) {
emojiPopup.removeClass('m-shown');
}
});
$('.bsg-emojis-dropdown').click(function() {
var $this = $(this);
targetTextarea = $this.siblings('textarea').eq(0);
positionAndShowPopup(emojiPopup, $this);
});
$('.bsg-add-emoji-input').on('keypress', function(e) {
if(e.which === 13){
addNewUserEmoji();
}
});
$('.bsg-add-emoji-btn').click(addNewUserEmoji);
$('.bsg-undo-emoji-btn').click(undoRemovedEmoji);
$('.bsg-emojis-undo-area-close').click(abandonRemovedEmoji);
}
function addNewUserEmoji() {
var addEmojiInput = $('.bsg-add-emoji-input');
var newEmoji = addEmojiInput.val();
if (newEmoji && newEmoji.length > 0) {
storeEmoji(newEmoji);
addEmoji(newEmoji);
addEmojiInput.val('');
$('.bsg-emojis-container').scrollTop($('.bsg-emojis-container')[0].scrollHeight);
}
}
function addEmoji(emojiString) {
var emojiPopup = $('.bsg-emojis-popup'),
emojiContainer = $('.bsg-emojis-container'),
emojiElement = $('<div class="bsg-emoji-wrapper"><span class="bsg-emoji">' + emojiString + '</span></div>'),
emojiRemoveButton = $('<span class="bsg-emoji-remove-button"><i class="fa fa-times"></i></span>');
emojiElement.click(function() {
insertToTextarea(targetTextarea, '', normalizeEmoji(emojiString), '', function(textarea, textSelection) {
textarea.bsgSelectRange(textSelection.start + emojiString.length);
});
emojiPopup.toggleClass('m-shown');
});
emojiRemoveButton.click(function(event) {
event.stopPropagation();
removeEmoji(emojiRemoveButton.prev().text());
emojiRemoveButton.parent().remove();
$('.bsg-emojis-undo-area').addClass('m-shown');
});
emojiElement.append(emojiRemoveButton);
emojiContainer.append(emojiElement);
}
function addImages() {
var imgPopup = $('<div class="bsg-images-popup">' +
'<div class="bsg-images-undo-area">Image removed. <a class="bsg-undo-image-btn">Undo</a><i class="bsg-images-undo-area-close fa fa-times"></i></div>' +
'<div class="bsg-images-add-area">' +
'<input class="bsg-add-image-input" placeholder="Add new Image url here..."/>' +
'<button class="bsg-add-image-btn" type="button"><i class="fa fa-plus"></i></button>' +
'</div>' +
'<div class="bsg-images-container"></div></div>'),
imgButton = $('<button type="button" class="bsg-formatting-btn bsg-images-dropdown"><i class="fa fa-picture-o"></i></button>'),
storedImages = getStoredImages();
$('body').append(imgPopup);
commentTextareas.before(imgButton);
for (var i=0; i<storedImages.length; i+=1) {
addImage(storedImages[i]);
}
$(document).mouseup(function(e) {
if (!imgPopup.is(e.target) && imgPopup.has(e.target).length === 0) {
imgPopup.removeClass('m-shown');
}
});
$('.bsg-images-dropdown').click(function() {
var $this = $(this);
targetTextarea = $this.siblings('textarea').eq(0);
positionAndShowPopup(imgPopup, $this);
});
$('.bsg-add-image-input').on('keypress', function(e) {
if(e.which === 13){
addNewUserImage();
}
});
$('.bsg-add-image-btn').click(addNewUserImage);
$('.bsg-undo-image-btn').click(undoRemovedImage);
$('.bsg-images-undo-area-close').click(abandonRemovedImage);
}
function addNewUserImage() {
var addImageInput = $('.bsg-add-image-input');
var newImage = addImageInput.val();
if (newImage && newImage.length > 0) {
storeImage(newImage);
addImage(newImage);
addImageInput.val('');
$('.bsg-images-container').scrollTop($('.bsg-images-container')[0].scrollHeight);
}
}
function addImage(imageUrl) {
var imgPopup = $('.bsg-images-popup'),
imgContainer = $('.bsg-images-container'),
imgElement = $('<div class="bsg-image-wrapper"><img class="bsg-image" src="' + imageUrl + '"/></div>'),
imgRemoveButton = $('<span class="bsg-image-remove-button"><i class="fa fa-times"></i></span>');
imgElement.click(function() {
insertToTextarea(targetTextarea, '![](', imageUrl, ')', function(textarea, textSelection) {
textarea.bsgSelectRange(textarea.val().length - imageUrl.length - 3);
}, true);
imgPopup.toggleClass('m-shown');
});
imgRemoveButton.click(function(event) {
event.stopPropagation();
removeImage(imgRemoveButton.prev().attr('src'));
imgRemoveButton.parent().remove();
$('.bsg-images-undo-area').addClass('m-shown');
});
imgElement.append(imgRemoveButton);
imgContainer.append(imgElement);
}
function undoRemovedImage() {
if (lastRemovedImage) {
//TODO insert it in correct position (lastRemovedImage.index)
storeImage(lastRemovedImage.url);
addImage(lastRemovedImage.url);
abandonRemovedImage();
}
}
function abandonRemovedImage() {
$('.bsg-images-undo-area').removeClass('m-shown');
lastRemovedImage = undefined;
}
function undoRemovedEmoji() {
if (lastRemovedEmoji) {
//TODO insert it in correct position (lastRemovedEmoji.index)
storeEmoji(lastRemovedEmoji.text);
addEmoji(lastRemovedEmoji.text);
abandonRemovedEmoji();
}
}
function abandonRemovedEmoji() {
$('.bsg-emojis-undo-area').removeClass('m-shown');
lastRemovedEmoji = undefined;
}
function positionAndShowPopup(popupElement, triggerElement) {
var buttonWidth = 22,
left = triggerElement.offset().left + buttonWidth;
if (left + popupElement.width() > document.documentElement.clientWidth) {
left = left - buttonWidth - popupElement.width();
}
popupElement.toggleClass('m-shown');
popupElement.css({
'top': triggerElement.offset().top - 306,
'left': left
});
}
function handlePastedURL(e) {
var preChars = '[](',
textArea = $(e.target),
pastedData = (e.originalEvent || e).clipboardData.getData('text/plain');
if (pastedData && /^https?:\/\/(?:[a-z0-9\-]+\.)+[a-z]{2,6}(?:\/[^/#?]+)+/i.test(pastedData)) {
isValidImageUrl(pastedData, function(isImage) {
if (isImage) {
preChars = '!' + preChars;
storeImage(pastedData);
addImage(pastedData);
}
insertToTextarea(textArea, preChars, pastedData, ')', function(textarea, textSelection) {
textarea.bsgSelectRange(textSelection.start + (preChars.length === 3 ? 1 : 2));
});
});
e.stopPropagation();
e.preventDefault();
}
function isValidImageUrl(url, callback) {
var img = new Image();
img.onerror = function() { callback(false); };
img.onload =  function() { callback(true); };
img.src = url;
}
}
function insertToTextarea(commentTextarea, preChars, textBetween, postChars, callback, pasteAtEnd) {
var newText, text = commentTextarea.val(),
textSelection = commentTextarea.bsgGetSelection(),
insertion = preChars + (textBetween || textSelection.text) + postChars;
if (pasteAtEnd) {
newText = (text.length ? (text + '\n') : '') + insertion;
} else {
newText = text.slice(0,textSelection.start) + insertion + text.slice(textSelection.end);
}
commentTextarea.val(newText);
if (callback) {
callback(commentTextarea, textSelection);
}
}
function normalizeEmoji(emojiString) {
return emojiString.replace(/\\/g, '\\\\').replace(/_/g, '\\_');
}
function enrichJquery() {
$.fn.bsgSelectRange = function(start, end) {
if(end === undefined) {
end = start;
}
return this.each(function() {
this.focus();
if('selectionStart' in this) {
this.selectionStart = start;
this.selectionEnd = end;
} else if(this.setSelectionRange) {
this.setSelectionRange(start, end);
} else if(this.createTextRange) {
var range = this.createTextRange();
range.collapse(true);
range.moveEnd('character', end);
range.moveStart('character', start);
range.select();
}
});
};
//copied from https://github.com/localhost/jquery-fieldselection/blob/master/jquery-fieldselection.js
$.fn.bsgGetSelection = function() {
var e = (this.jquery) ? this[0] : this;
return (
/* mozilla / dom 3.0 */
('selectionStart' in e && function() {
var l = e.selectionEnd - e.selectionStart;
return { start: e.selectionStart, end: e.selectionEnd, length: l, text: e.value.substr(e.selectionStart, l) };
}) ||
/* exploder */
(document.selection && function() {
e.focus();
var r = document.selection.createRange();
if (r === null) {
return { start: 0, end: e.value.length, length: 0 };
}
var re = e.createTextRange();
var rc = re.duplicate();
re.moveToBookmark(r.getBookmark());
rc.setEndPoint('EndToStart', re);
return { start: rc.text.length, end: rc.text.length + r.text.length, length: r.text.length, text: r.text };
}) ||
/* browser not supported */
function() { return null; }
)();
};
}
function storeImage(url) {
var images = getStoredImages();
images.push(url);
localStorage.setItem(storageImage, JSON.stringify(images));
}
function removeImage(url) {
var images = getStoredImages(),
index = images.indexOf(url);
images.splice(index, 1);
lastRemovedImage = {index: index, url: url};
localStorage.setItem(storageImage, JSON.stringify(images));
}
function getStoredImages() {
return JSON.parse(localStorage.getItem(storageImage)) || defaultImages();
}
function storeEmoji(emojiString) {
var emojis = getStoredEmojis();
emojis.push(emojiString);
localStorage.setItem(storageEmojis, JSON.stringify(emojis));
}
function removeEmoji(emojiString) {
var emojis = getStoredEmojis(),
index = emojis.indexOf(emojiString);
emojis.splice(index, 1);
lastRemovedEmoji = {index: index, text: emojiString};
localStorage.setItem(storageEmojis, JSON.stringify(emojis));
}
function getStoredEmojis() {
return JSON.parse(localStorage.getItem(storageEmojis)) || defaultEmojis();
}
function defaultImages() {
return [
'https://i.imgflip.com/cnudu.jpg',
'https://s-media-cache-ak0.pinimg.com/564x/9c/76/1f/9c761ffd187eef6e11e28188a6ff7075.jpg',
'http://webtrax.hu/myfacewhen/faces/animals/kitty-facepalm.jpg',
'http://www.getcatnipdaily.com/wp-content/uploads/sites/713/2015/05/4Kitty-barlow-250x200.jpg',
'http://i24.photobucket.com/albums/c12/InkBlotPsycho/Cats/KITTY_crazy.jpg',
'https://femmolitical.files.wordpress.com/2013/03/shocked-cat.jpg',
'http://sadcatdiary.com/wp-content/uploads/2015/07/sadcatsmall.jpg'
];
}
function defaultEmojis() {
return [
'¯\\_(ツ)_/¯',
'( ͡° ͜ʖ ͡°)',
'( ͡⊙ ͜ʖ ͡⊙)',
'(ノಠ益ಠ)ノ',
'(╯°□°）╯︵ ┻━┻',
'┬─┬ノ( º _ ºノ)',
'ლ(ಠ益ಠლ)',
'(◕‿-)✌',
'(｡◕‿◕｡)',
'(◑‿◐)',
'◔_◔',
'(•‿•)',
'(ಠ_ಠ)',
'(¬､¬)',
'(─‿‿─)',
'(ಥ﹏ಥ)',
'(ಥ‸ಥ)',
'(⌐■_■)',
'(▰˘◡˘▰)',
'乁( ◔ ౪◔)ㄏ',
'(ง ͠° ͟ʖ ͡°)ง',
'ζ༼Ɵ͆ل͜Ɵ͆༽ᶘ',
'ʕ•ᴥ•ʔ',
'( ͝° ͜ʖ͡°)',
'(/ﾟДﾟ)/',
'୧༼ಠ益ಠ༽୨',
'(ง •̀_•́)ง'
];
}
function addStyles() {
GM_addStyle('.bsg-formatting-btn { ' +
'display: inline-block;' +
'margin: 1px;' +
'border: 1px solid #d6d6d6;' +
'cursor: pointer;' +
'text-align: center;' +
'border-radius: 4px;' +
'background-color: #f3f3f3;' +
'background-image: none;' +
'color: #757575;' +
'min-width: 22px;' +
'height: 22px;' +
'}');
GM_addStyle('.bsg-formatting-btn:hover {' +
'border-color: #B9D393 #96BC69 #73A442 #A0C870;' +
'background-image: linear-gradient(#cef2aa 0%, #b4e08a 50%, #9AC96A 100%);' +
'background-image: -moz-linear-gradient(#cef2aa 0%, #b4e08a 50%, #9AC96A 100%);' +
'background-image: -webkit-linear-gradient(#cef2aa 0%, #b4e08a 50%, #9AC96A 100%);' +
'}');
GM_addStyle('.bsg-formatting-btn.bsg-emojis-dropdown, .bsg-formatting-btn.bsg-images-dropdown {' +
'float: right;' +
'}');
GM_addStyle('.bsg-images-popup {' +
'display: none;' +
'position: absolute;' +
'width: 317px;' +
'height: 500px;' +
'}');
GM_addStyle('.bsg-images-container {' +
'font-size: 0;' +
'overflow-y: auto;' +
'height: 450px;' +
'background: repeating-linear-gradient(-55deg,#222,#222 10px,#333 10px,#333 20px);' +
'}');
GM_addStyle('.bsg-emojis-popup {' +
'display: none;' +
'position: absolute;' +
'height: 470px;' +
'min-width: 160px;' +
'max-width: 320px;' +
'color: black;' +
'}');
GM_addStyle('.bsg-emojis-container {' +
'overflow-y: auto;' +
'height: 420px;' +
'background: repeating-linear-gradient(-55deg,#222,#222 10px,#333 10px,#333 20px);' +
'}');
GM_addStyle('.bsg-emoji-wrapper {' +
'position: relative;' +
'display: block;' +
'margin: 0;' +
'padding: 5px;' +
'background: #fff;' +
'cursor: pointer;' +
'overflow: hidden;' +
'min-height: 17px;' +
'text-align: center;' +
'}');
GM_addStyle('.bsg-emoji-wrapper:hover {' +
'background: #e8eeff;' +
'}');
GM_addStyle('.bsg-emoji-wrapper:hover .bsg-emoji-remove-button {' +
'display: block;' +
'}');
GM_addStyle('.bsg-emojis-add-area, .bsg-images-add-area {' +
'display: flex;' +
'}');
GM_addStyle('input.bsg-add-emoji-input, input.bsg-add-image-input {' +
'border-left-width: 0;' +
'border-right-width: 0;' +
'border-radius: 0;' +
'flex: 1' +
'}');
GM_addStyle('.bsg-add-emoji-btn, .bsg-add-image-btn {' +
'cursor: pointer;' +
'width: 17px;' +
'color: #545454;' +
'background-color: #dddddd;' +
'}');
GM_addStyle('.bsg-add-emoji-btn:hover, .bsg-add-image-btn:hover {' +
'border-color: #B9D393 #96BC69 #73A442 #A0C870;' +
'background-image: linear-gradient(#cef2aa 0%, #b4e08a 50%, #9AC96A 100%);' +
'background-image: -moz-linear-gradient(#cef2aa 0%, #b4e08a 50%, #9AC96A 100%);' +
'background-image: -webkit-linear-gradient(#cef2aa 0%, #b4e08a 50%, #9AC96A 100%);' +
'}');
GM_addStyle('.bsg-images-popup.m-shown, .bsg-emojis-popup.m-shown {' +
'display: block;' +
'}');
GM_addStyle('.bsg-image-wrapper {' +
'cursor: pointer;' +
'position: relative;' +
'display: inline-block;' +
'width: 150px;' +
'height: 150px;' +
'margin: 0;' +
'padding: 0;' +
'background: #fff;' +
'overflow: hidden;' +
'}');
GM_addStyle('.bsg-image-wrapper:hover .bsg-image-remove-button {' +
'display: block;' +
'}');
GM_addStyle('.bsg-image {' +
'width: 150px;' +
'height: 150px;' +
'-webkit-transform: scale(1);' +
'transform: scale(1);' +
'-webkit-transition: .3s ease-in-out;' +
'transition: .3s ease-in-out;' +
'}');
GM_addStyle('.bsg-images-undo-area, .bsg-emojis-undo-area {' +
'opacity: 0;' +
'background-color: #ffd5d5;' +
'height: 20px;' +
'line-height: 20px;' +
'padding-left: 5px;' +
'padding-right: 5px;' +
'}');
GM_addStyle('.bsg-images-undo-area.m-shown, .bsg-emojis-undo-area.m-shown {' +
'opacity: 1;' +
'}');
GM_addStyle('.bsg-undo-image-btn, .bsg-undo-emoji-btn {' +
'cursor: pointer;' +
'text-decoration: underline;' +
'}');
GM_addStyle('.bsg-images-undo-area-close, .bsg-emojis-undo-area-close {' +
'cursor: pointer;' +
'float: right;' +
'top: 2px;' +
'position: relative;' +
'}');
GM_addStyle('.bsg-image-remove-button, .bsg-emoji-remove-button {' +
'display: none;' +
'position: absolute;' +
'right: 5px;' +
'top: 5px;' +
'color: black' +
'}');
GM_addStyle('.bsg-image-remove-button > .fa {' +
'font-size: 20px;' +
'}');
GM_addStyle('.bsg-emoji-remove-button > .fa {' +
'font-size: 15px;' +
'color: #b7b7b7;' +
'}');
GM_addStyle('.bsg-image-remove-button:hover > .fa, .bsg-emoji-remove-button:hover > .fa {' +
'color: red' +
'}');
GM_addStyle('.bsg-image-wrapper:hover .bsg-image {' +
'height: 150px;' +
'-webkit-transform: scale(1.3);' +
'transform: scale(1.3);' +
'}');
}
})(jQuery);