SteamGifts comment formatting

Adds buttons to help you with formatting your comments and managing pictures and emoticons.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, Greasemonkey alebo Violentmonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey alebo Userscripts.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie správcu používateľských skriptov.

(Už mám správcu používateľských skriptov, nechajte ma ho nainštalovať!)

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

(Už mám správcu používateľských štýlov, nechajte ma ho nainštalovať!)

// ==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://greatest.deepsurf.us/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);