-/**\r
- * Copyright (c) 2014 Leonardo Cardoso (http://leocardz.com)\r
- * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)\r
- * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.\r
- * \r
- * restructured from rabzuarus (https://friendica.kommune4.de/profile/rabuzarus)\r
- * for the decental social network Friendica.\r
- * \r
- * Version: 1.4.0\r
- */\r
-(function ($) {\r
- $.fn.linkPreview = function (options) {\r
- var opts = jQuery.extend({}, $.fn.linkPreview.defaults, options);\r
-\r
- var selector = $(this).selector;\r
- selector = selector.substr(1);\r
-\r
- var previewTpl = '\\r
- <div id="preview_' + selector + '" class="preview {0}">{1}</div>\\r
- <div style="clear: both"></div>';\r
- var attachmentTpl = '\\r
- <hr class="previewseparator">\\r
- <div id="closePreview_' + selector + '" title="Remove" class="closePreview" >\\r
- <button type="button" class="previewActionBtn">×</button>\\r
- </div>\\r
- <div id="previewImages_' + selector + '" class="previewImages">\\r
- <div id="previewImgBtn_' + selector + '" class="previewImgBtn">\\r
- <button type="button" id="previewChangeImg_' + selector + '" class="buttonChangeDeactive previewActionBtn" style="display: none">\\r
- <i class="fa fa-exchange" aria-hidden="true"></i>\\r
- </button>\\r
- </div>\\r
- <div id="previewImage_' + selector + '" class="previewImage">\\r
- </div>\\r
- <input type="hidden" id="photoNumber_' + selector + '" class="photoNumber" value="0" />\\r
- </div>\\r
- <div id="previewContent_' + selector + '" class="previewContent">\\r
- <h4 id="previewTitle_' + selector + '" class="previewTitle"></h4>\\r
- <blockquote id="previewDescription_' + selector + '" class="previewDescription"></blockquote>\\r
- <div id="hiddenDescription_' + selector + '" class="hiddenDescription"></div>\\r
- <sup id="previewUrl_' + selector + '" class="previewUrl"></sup>\\r
- </div>\\r
- <div class="clear"></div>\\r
- <hr class="previewseparator">';\r
- var text;\r
- var urlRegex = /(https?\:\/\/|\s)[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})(\/+[a-z0-9_.\:\;-]*)*(\?[\&\%\|\+a-z0-9_=,\.\:\;-]*)?([\&\%\|\+&a-z0-9_=,\:\;\.-]*)([\!\#\/\&\%\|\+a-z0-9_=,\:\;\.-]*)}*/i;\r
- var binurl;\r
- var block = false;\r
- var blockTitle = false;\r
- var blockDescription = false;\r
- var cache = {};\r
- var images = "";\r
- var isExtern = false;\r
- var photoNumber = 0;\r
- var firstPosted = false;\r
- var isActive = false;\r
- var isCrawling = false;\r
- var defaultTitle = opts.defaultTitle;\r
- var defaultDescription = opts.defaultDescription;\r
-\r
- var init = function() {\r
- $('#' + selector).bind({\r
- paste: function () {\r
- setTimeout(function () {\r
- crawlText();\r
- }, 100);\r
- },\r
- keyup: function (e) {\r
- // on enter, space, ctrl\r
- if ((e.which === 13 || e.which === 32 || e.which === 17)) {\r
- crawlText();\r
- }\r
- }\r
- });\r
- };\r
- var resetPreview = function() {\r
- $('#previewChangeImg_' + selector).removeClass('buttonChangeActive');\r
- $('#previewChangeImg_' + selector).addClass('buttonChangeDeactive');\r
- photoNumber = 0;\r
- images = "";\r
- }\r
-\r
- var crawlText = function (text) {\r
- block = false;\r
- images = '';\r
- isExtern = false;\r
-\r
- if (typeof text === 'undefined') {\r
- text = getPrevWord(selector);\r
- } else {\r
- isExtern = true;\r
- }\r
-\r
- if (trim(text) !== "") {\r
- if (block === false && urlRegex.test(text)) {\r
- binurl = bin2hex(text);\r
- block = true;\r
-\r
- isCrawling = true;\r
- $('#profile-rotator').show();\r
-\r
- if (binurl in cache) {\r
- isCrawling = false;\r
- processContentData(cache[binurl]);\r
- } else {\r
- getContentData(binurl, processContentData);\r
- }\r
- }\r
- }\r
- };\r
-\r
- var processContentData = function(result) {\r
- if (result.contentType === 'image') {\r
- insertImage(result.data);\r
- }\r
- if (result.contentType === 'attachment') {\r
- insertAttachment(result.data);\r
- }\r
- $('#profile-rotator').hide();\r
- }\r
-\r
- var getContentData = function(binurl, callback) {\r
- $.get('parse_url?binurl='+ binurl + '&dataType=json', function (answer) {\r
- if (typeof answer.contentType === 'undefined'\r
- || answer.contentType === null)\r
- {\r
- answer.contentType = "";\r
- }\r
- if (typeof answer.data.url === 'undefined'\r
- || answer.data.url === null)\r
- {\r
- answer.data.url = "";\r
- }\r
- if (typeof answer.data.title === 'undefined'\r
- || answer.data.title === null\r
- || answer.data.title === "")\r
- {\r
- answer.data.title = defaultTitle;\r
- }\r
- if (typeof answer.data.text === 'undefined'\r
- || answer.data.text === null\r
- || answer.data.text === "")\r
- {\r
- answer.data.text = "";\r
- }\r
- if (typeof answer.data.images === 'undefined'\r
- || answer.data.images === null)\r
- {\r
- answer.data.images = "";\r
- }\r
-\r
- // Put the data into a cache\r
- cache[binurl] = answer;\r
-\r
- callback(answer);\r
-\r
- isCrawling = false;\r
- });\r
- }\r
-\r
- var insertImage = function(json) {\r
- if (!isExtern) {\r
- return\r
- }\r
- var bbcode = '\n[img]' + json.url + '[/img]\n';\r
- addeditortext(bbcode);\r
- };\r
-\r
- var insertAudio = function(json) {\r
- if (!isExtern) {\r
- return\r
- }\r
- var bbcode = '\n[audio]' + json.url + '[/audio]\n';\r
- addeditortext(bbcode);\r
- };\r
-\r
- var insertVideo = function(json) {\r
- if (!isExtern) {\r
- return\r
- }\r
- var bbcode = '\n[video]' + json.url + '[/video]\n';\r
- addeditortext(bbcode);\r
- };\r
-\r
- var insertAttachment = function(json) {\r
- // If we have already a preview, leaver here.\r
- // Note: if we finish the Preview of other media content type,\r
- // we can move this condition to the beggining of crawlText();\r
- if (isActive) {\r
- return;\r
- }\r
-\r
- if (json.type != 'link' && json.type != 'video' && json.type != 'photo' || json.url == json.title) {\r
- return;\r
- }\r
-\r
- $('#photoNumber_' + selector).val(0);\r
- resetPreview();\r
-\r
- var typeClass = 'type-' + json.type;\r
- var imageClass = 'attachment-preview';\r
- var urlHost = "";\r
- var description = json.text;\r
-\r
- // Load and add the template if it isn't allready loaded.\r
- if ($('#preview_' + selector).length == 0) {\r
- var tpl = previewTpl.format(typeClass, attachmentTpl);\r
- $('#' + selector).after(tpl);\r
- }\r
-\r
- isActive = true;\r
-\r
- if (description === '') {\r
- description = defaultDescription;\r
- }\r
-\r
- $('#previewTitle_' + selector).html("\\r
- <span id='previewSpanTitle_" + selector + "' class='previewSpanTitle' >" + escapeHTML(json.title) + "</span>\\r
- <input type='text' value='" + escapeHTML(json.title) + "' id='previewInputTitle_" + selector + "' class='previewInputTitle inputPreview' style='display: none;'/>"\r
- );\r
-\r
-\r
- $('#previewDescription_' + selector).html("\\r
- <span id='previewSpanDescription_" + selector + "' class='previewSpanDescription' >" + escapeHTML(description) + "</span>\n\\r
- <textarea id='previewInputDescription_" + selector + "' class='previewInputDescription' style='display: none;' class='inputPreview' >" + escapeHTML(json.text) + "</textarea>"\r
- );\r
-\r
- if (json.url) {\r
- var regexpr = "(https?://)([^:^/]*)(:\\d*)?(.*)?";\r
- var regResult = json.url.match(regexpr);\r
- var urlHost = regResult[1] + regResult[2];\r
- $('#previewUrl_' + selector).html("<a href='" + json.url + "'>" + urlHost + "</a>");\r
- }\r
-\r
- images = json.images;\r
-\r
- if (Array.isArray(images)) {\r
- $('#previewImages_' + selector).show();\r
- } else {\r
- $('#previewImages_' + selector).hide();\r
- }\r
-\r
- images.length = parseInt(images.length);\r
- var appendImage = "";\r
-\r
- for (i = 0; i < images.length; i++) {\r
- // For small preview images we use a smaller attachment format.\r
-// if (Array.isArray(images) && typeof images[i].width !== 'undefined') {\r
- ///@todo here we need to add a check for !Config::get('system', 'always_show_preview').\r
- if (images[i].width >= 500 && images[i].width >= images[i].height) {\r
- imageClass = 'attachment-image';\r
- }\r
-// }\r
- if (i === 0) {\r
- appendImage += "<img id='imagePreview_" + selector + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' ></img>";\r
- } else {\r
- appendImage += "<img id='imagePreview_" + selector + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' style='display: none;'></img>";\r
- }\r
- }\r
-\r
- $('#previewImage_' + selector).html(appendImage + "<div id='whiteImage' style='color: transparent; display:none;'>...</div>");\r
-\r
- // more than just one image.\r
- if (images.length > 1) {\r
- // Enable the the button to change the preview pictures.\r
- $('#previewChangeImg_' + selector).show();\r
-\r
- if (firstPosted === false) {\r
- firstPosted = true;\r
-\r
- $('#previewChangeImg_' + selector).unbind('click').click(function (e) {\r
- e.stopPropagation();\r
- if (images.length > 1) {\r
-// photoNumber = parseInt($('#photoNumber_' + selector).val());\r
- $('#imagePreview_' + selector + '_' + photoNumber).css({\r
- 'display': 'none'\r
- });\r
- photoNumber += 1;\r
-\r
- // If have reached the last image, begin with the first image.\r
- if (photoNumber === images.length) {\r
- photoNumber = 0;\r
- }\r
-\r
- $('#imagePreview_' + selector + '_' + photoNumber).css({\r
- 'display': 'block'\r
- });\r
- $('#photoNumber_' + selector).val(photoNumber);\r
- }\r
- });\r
- }\r
- }\r
-\r
- processEventListener();\r
- $('#profile-rotator').hide();\r
- };\r
-\r
- var processEventListener = function() {\r
- $('#previewSpanTitle_' + selector).unbind('click').click(function (e) {\r
- e.stopPropagation();\r
- if (blockTitle === false) {\r
- blockTitle = true;\r
- $('#previewSpanTitle_' + selector).hide();\r
- $('#previewInputTitle_' + selector).show();\r
- $('#previewInputTitle_' + selector).val($('#previewInputTitle_' + selector).val());\r
- $('#previewInputTitle_' + selector).focus().select();\r
- }\r
- });\r
-\r
- $('#previewInputTitle_' + selector).blur(function () {\r
- blockTitle = false;\r
- $('#previewSpanTitle_' + selector).html($('#previewInputTitle_' + selector).val());\r
- $('#previewSpanTitle_' + selector).show();\r
- $('#previewInputTitle_' + selector).hide();\r
- });\r
-\r
- $('#previewInputTitle_' + selector).keypress(function (e) {\r
- if (e.which === 13) {\r
- blockTitle = false;\r
- $('#previewSpanTitle_' + selector).html($('#previewInputTitle_' + selector).val());\r
- $('#previewSpanTitle_' + selector).show();\r
- $('#previewInputTitle_' + selector).hide();\r
- }\r
- });\r
-\r
- $('#previewSpanDescription_' + selector).unbind('click').click(function (e) {\r
- e.stopPropagation();\r
- if (blockDescription === false) {\r
- blockDescription = true;\r
- $('#previewSpanDescription_' + selector).hide();\r
- $('#previewInputDescription_' + selector).show();\r
- $('#previewInputDescription_' + selector).val($('#previewInputDescription_' + selector).val());\r
- $('#previewInputDescription_' + selector).focus().select();\r
- }\r
- });\r
-\r
- $('#previewInputDescription_' + selector).blur(function () {\r
- blockDescription = false;\r
- $('#previewSpanDescription_' + selector).html($('#previewInputDescription_' + selector).val());\r
- $('#previewSpanDescription_' + selector).show();\r
- $('#previewInputDescription_' + selector).hide();\r
- });\r
-\r
- $('#previewInputDescription_' + selector).keypress(function (e) {\r
- if (e.which === 13) {\r
- blockDescription = false;\r
- $('#previewSpanDescription_' + selector).html($('#previewInputDescription_' + selector).val());\r
- $('#previewSpanDescription_' + selector).show();\r
- $('#previewInputDescription_' + selector).hide();\r
- }\r
- });\r
-\r
- $('#previewSpanTitle_' + selector).mouseover(function () {\r
- $('#previewSpanTitle_' + selector).css({\r
- "background-color": "#ff9"\r
- });\r
- });\r
-\r
- $('#previewSpanTitle_' + selector).mouseout(function () {\r
- $('#previewSpanTitle_' + selector).css({\r
- "background-color": "transparent"\r
- });\r
- });\r
-\r
- $('#previewSpanDescription_' + selector).mouseover(function () {\r
- $('#previewSpanDescription_' + selector).css({\r
- "background-color": "#ff9"\r
- });\r
- });\r
-\r
- $('#previewSpanDescription_' + selector).mouseout(function () {\r
- $('#previewSpanDescription_' + selector).css({\r
- "background-color": "transparent"\r
- });\r
- });\r
-\r
- $('#closePreview_' + selector).unbind('click').click(function (e) {\r
- e.stopPropagation();\r
- block = false;\r
- images = '';\r
- isActive = false;\r
- firstPosted = false;\r
- $('#preview_' + selector).fadeOut("fast", function () {\r
- $('#preview_' + selector).remove();\r
- $('#profile-rotator').hide();\r
- });\r
-\r
- });\r
- };\r
-\r
- var trim = function(str) {\r
- return str.replace(/^\s+|\s+$/g, "");\r
- };\r
- var escapeHTML = function(unsafe_str) {\r
- return unsafe_str\r
- .replace(/&/g, '&')\r
- .replace(/</g, '<')\r
- .replace(/>/g, '>')\r
- .replace(/\"/g, '"')\r
- .replace(/\[/g, '[')\r
- .replace(/\]/g, ']')\r
- .replace(/\'/g, '''); // ''' is not valid HTML 4\r
- }\r
-\r
- // Initialize LinkPreview \r
- init();\r
-\r
- return {\r
- // make crawlText() accessable from the outside.\r
- crawlText: function (text) {\r
- crawlText(text);\r
- }\r
- };\r
- };\r
-\r
- $.fn.linkPreview.defaults = {\r
- defaultDescription: "Enter a description",\r
- defaultTitle: "Enter a title"\r
- };\r
-})(jQuery);\r
+// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt Expat
+// @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL
+/**
+ * Copyright (c) 2014 Leonardo Cardoso (http://leocardz.com)
+ * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
+ *
+ * Restructured by Rabzuarus (https://friendica.kommune4.de/profile/rabuzarus)
+ * to use it in the decentralized social network Friendica (https://friendi.ca).
+ *
+ * Version: 1.4.0
+ */
+(function ($) {
+ $.fn.linkPreview = function (options) {
+ var opts = jQuery.extend({}, $.fn.linkPreview.defaults, options);
+
+ var id = $(this).attr('id');
+
+ var previewTpl = '\
+ <div id="preview_' + id + '" class="preview {0}">\
+ {1}\
+ <input type="hidden" name="has_attachment" id="hasAttachment_' + id + '" value="{2}" />\
+ <input type="hidden" name="attachment_url" id="attachmentUrl_' + id + '" value="{3}" />\
+ <input type="hidden" name="attachment_type" id="attachmentType_' + id + '" value="{4}" />\
+ </div>';
+
+ var attachmentTpl = '\
+ <hr class="previewseparator">\
+ <div id="closePreview_' + id + '" title="Remove" class="closePreview" >\
+ <button type="button" class="previewActionBtn">×</button>\
+ </div>\
+ <div id="previewImages_' + id + '" class="previewImages">\
+ <div id="previewImgBtn_' + id + '" class="previewImgBtn">\
+ <button type="button" id="previewChangeImg_' + id + '" class="buttonChangeDeactive previewActionBtn" style="display: none">\
+ <i class="fa fa-exchange" aria-hidden="true"></i>\
+ </button>\
+ </div>\
+ <div id="previewImage_' + id + '" class="previewImage">\
+ </div>\
+ <input type="hidden" id="photoNumber_' + id + '" class="photoNumber" value="0" />\
+ <input type="hidden" name="attachment_img_src" id="attachmentImageSrc_' + id + '" value="" />\
+ <input type="hidden" name="attachment_img_width" id="attachmentImageWidth_' + id + '" value="0" />\
+ <input type="hidden" name="attachment_img_height" id="attachmentImageHeight_' + id + '" value="0" />\
+ </div>\
+ <div id="previewContent_' + id + '" class="previewContent">\
+ <h4 id="previewTitle_' + id + '" class="previewTitle"></h4>\
+ <blockquote id="previewDescription_' + id + '" class="previewDescription"></blockquote>\
+ <div id="hiddenDescription_' + id + '" class="hiddenDescription"></div>\
+ <sup id="previewUrl_' + id + '" class="previewUrl"></sup>\
+ </div>\
+ <div class="clear"></div>\
+ <hr class="previewseparator">';
+ var text;
+ var binurl;
+ var block = false;
+ var blockTitle = false;
+ var blockDescription = false;
+ var cache = {};
+ var images = "";
+ var isExtern = false;
+ var photoNumber = 0;
+ var firstPosted = false;
+ var isActive = false;
+ var isCrawling = false;
+ var defaultTitle = opts.defaultTitle;
+ var defaultDescription = opts.defaultDescription;
+
+ /**
+ * Initialize the plugin
+ *
+ * @returns {void}
+ */
+ var init = function() {
+ $('#' + id).bind({
+ paste: function () {
+ setTimeout(function () {
+ crawlText();
+ }, 100);
+ },
+ keyup: function (e) {
+ // on enter, space, ctrl
+ if ((e.which === 13 || e.which === 32 || e.which === 17)) {
+ crawlText();
+ }
+ }
+ });
+
+ // Check if we have already attachment bbcode in the textarea
+ // and add it to the attachment preview.
+ var content = $('#' + id).val();
+ addBBCodeToPreview(content);
+ };
+
+ /**
+ * Reset some values.
+ *
+ * @returns {void}
+ */
+ var resetPreview = function() {
+ $('#hasAttachment_' + id).val(0);
+ photoNumber = 0;
+ images = "";
+ };
+
+ /**
+ * Crawl a text string if it contains an url and try
+ * to attach it.
+ *
+ * If no text is passed to crawlText() we take
+ * the previous word before the cursor of the textarea.
+ *
+ * @param {string} text (optional)
+ * @returns {void}
+ */
+ var crawlText = function (text) {
+ block = false;
+ images = '';
+ isExtern = false;
+
+ // If no text is passed to crawlText() we
+ // take the previous word before the cursor.
+ if (typeof text === 'undefined') {
+ text = getPrevWord(id);
+ } else {
+ isExtern = true;
+ }
+
+ // Don't process the textarea input if we have already
+ // an attachment preview.
+ if (!isExtern && isActive) {
+ return;
+ }
+
+ if (trim(text) !== "" && block === false && urlRegex.test(text)) {
+ binurl = bin2hex(text);
+ block = true;
+
+ isCrawling = true;
+ $('#profile-rotator').show();
+
+ if (binurl in cache) {
+ isCrawling = false;
+ processContentData(cache[binurl]);
+ } else {
+ getContentData(binurl, processContentData);
+ }
+ }
+ };
+
+ /**
+ * Process the attachment data according to
+ * its content type (image, audio, video, attachment)
+ *
+ * @param {object} result
+ * @returns {void}
+ */
+ var processContentData = function(result) {
+ if (result.contentType === 'image') {
+ insertImage(result.data);
+ }
+ if (result.contentType === 'audio') {
+ insertAudio(result.data);
+ }
+ if (result.contentType === 'video') {
+ insertVideo(result.data);
+ }
+ if (result.contentType === 'attachment') {
+ insertAttachment(result.data);
+ }
+ $('#profile-rotator').hide();
+ };
+
+ /**
+ * Fetch the content of link which should be attached.
+ *
+ * @param {string} binurl Link which should be attached as hexadecimal string.
+ * @param {type} callback
+ * @returns {void}
+ */
+ var getContentData = function(binurl, callback) {
+ $.get('parseurl?binurl='+ binurl + '&format=json', function (answer) {
+ obj = sanitizeInputData(answer);
+
+ // Put the data into a cache
+ cache[binurl] = obj;
+
+ callback(obj);
+
+ isCrawling = false;
+ });
+ };
+
+ /*
+ * Add a [img] bbtag with the image url to the jot editor.
+ *
+ * @param {type} data
+ * @returns {void}
+ */
+ var insertImage = function(data) {
+ if (!isExtern) {
+ return;
+ }
+ var bbcode = '\n[img]' + data.url + '[/img]\n';
+ addeditortext(bbcode);
+ };
+
+ /*
+ * Add a [audio] bbtag with the audio url to the jot editor.
+ *
+ * @param {type} data
+ * @returns {void}
+ */
+ var insertAudio = function(data) {
+ if (!isExtern) {
+ return;
+ }
+ var bbcode = '\n[audio]' + data.url + '[/audio]\n';
+ addeditortext(bbcode);
+ };
+
+ /*
+ * Add a [video] bbtag with the video url to the jot editor.
+ *
+ * @param {type} data
+ * @returns {void}
+ */
+ var insertVideo = function(data) {
+ if (!isExtern) {
+ return;
+ }
+ var bbcode = '\n[video]' + data.url + '[/video]\n';
+ addeditortext(bbcode);
+ };
+
+ /**
+ * Process all attachment data and show up a html
+ * attachment preview.
+ *
+ * @param {obj} data Attachment data.
+ * @returns {void}
+ */
+ var insertAttachment = function(data) {
+ // If we have already a preview, leaver here.
+ // Note: if we finish the Preview of other media content type,
+ // we can move this condition to the beginning of crawlText();
+ if (isActive) {
+ $('#profile-rotator').hide();
+ return;
+ }
+
+ if (data.type !== 'link' && data.type !== 'video' && data.type !== 'photo' || data.url === data.title) {
+ $('#profile-rotator').hide();
+ return;
+ }
+
+ $('#photoNumber_' + id).val(0);
+ resetPreview();
+
+ processAttachmentTpl(data, 'type-' + data.type);
+ addTitleDescription(data);
+ addHostToAttachment(data.url);
+ addImagesToAttachment(data.images);
+
+ processEventListener();
+ $('#profile-rotator').hide();
+ };
+
+ /**
+ * Construct the attachment html from the attachment template and
+ * add it to the DOM.
+ *
+ * @param {object} data Attachment data.
+ * @returns {void}
+ */
+ var processAttachmentTpl = function(data) {
+ // Load and add the template if it isn't already loaded.
+ if ($('#preview_' + id).length === 0) {
+ var tpl = previewTpl.format(
+ 'type-' + data.type,
+ attachmentTpl,
+ 1,
+ bin2hex(data.url),
+ data.type
+ );
+ $('#' + id).after(tpl);
+ }
+
+ isActive = true;
+ };
+
+ /**
+ * Add the attachment title and the description
+ * to the attachment preview.
+ *
+ * @param {object} data Attachment data.
+ * @returns {void}
+ */
+ var addTitleDescription = function(data) {
+ var description = data.text;
+
+ if (description === '') {
+ description = defaultDescription;
+ }
+
+ $('#previewTitle_' + id).html("\
+ <span id='previewSpanTitle_" + id + "' class='previewSpanTitle' >" + escapeHTML(data.title) + "</span>\
+ <input type='text' name='attachment_title' value='" + escapeHTML(data.title) + "' id='previewInputTitle_" + id + "' class='previewInputTitle inputPreview' style='display: none;'/>"
+ );
+
+ $('#previewDescription_' + id).html("\
+ <span id='previewSpanDescription_" + id + "' class='previewSpanDescription' >" + escapeHTML(description) + "</span>\n\
+ <textarea id='previewInputDescription_" + id + "' name='attachment_text' class='previewInputDescription' style='display: none;' class='inputPreview' >" + escapeHTML(data.text) + "</textarea>"
+ );
+ };
+
+ /**
+ * Add the host to the attachment preview.
+ *
+ * @param {string} url The url of the link attachment.
+ * @returns {void}
+ */
+ var addHostToAttachment = function(url) {
+ if (url) {
+ var regexpr = "(https?://)([^:^/]*)(:\\d*)?(.*)?";
+ var regResult = url.match(regexpr);
+ var urlHost = regResult[1] + regResult[2];
+ $('#previewUrl_' + id).html("<a href='" + url + "'>" + urlHost + "</a>");
+ }
+ };
+
+ /**
+ * Add preview images to the attachment.
+ *
+ * @param {array} images
+ *
+ * @returns {void}
+ */
+ var addImagesToAttachment = function(images) {
+ var imageClass = 'attachment-preview';
+
+ if (Array.isArray(images)) {
+ $('#previewImages_' + id).show();
+ $('#attachmentImageSrc_' + id).val(bin2hex(images[photoNumber].src));
+ $('#attachmentImageWidth_' + id).val(images[photoNumber].width);
+ $('#attachmentImageHeight_' + id).val(images[photoNumber].height);
+ } else {
+ $('#previewImages_' + id).hide();
+ }
+
+ images.length = parseInt(images.length);
+ var appendImage = "";
+
+ for (i = 0; i < images.length; i++) {
+ // For small preview images we use a smaller attachment format.
+ ///@todo here we need to add a check for !DI::config()->get('system', 'always_show_preview').
+ if (images[i].width >= 500 && images[i].width >= images[i].height) {
+ imageClass = 'attachment-image';
+ }
+
+ if (i === 0) {
+ appendImage += "<img id='imagePreview_" + id + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' ></img>";
+ } else {
+ appendImage += "<img id='imagePreview_" + id + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' style='display: none;'></img>";
+ }
+ }
+
+ $('#previewImage_' + id).html(appendImage + "<div id='whiteImage' style='color: transparent; display:none;'>...</div>");
+
+ // More than just one image.
+ if (images.length > 1) {
+ // Enable the button to change the preview pictures.
+ $('#previewChangeImg_' + id).show();
+
+ if (firstPosted === false) {
+ firstPosted = true;
+
+ $('#previewChangeImg_' + id).unbind('click').click(function (e) {
+ e.stopPropagation();
+ if (images.length > 1) {
+ $('#imagePreview_' + id + '_' + photoNumber).css({
+ 'display': 'none'
+ });
+ photoNumber += 1;
+
+ // If have reached the last image, begin with the first image.
+ if (photoNumber === images.length) {
+ photoNumber = 0;
+ }
+
+ $('#imagePreview_' + id + '_' + photoNumber).css({
+ 'display': 'block'
+ });
+ $('#photoNumber_' + id).val(photoNumber);
+ $('#attachmentImageSrc_' + id).val(bin2hex(images[photoNumber].src));
+ $('#attachmentImageWidth_' + id).val(images[photoNumber].width);
+ $('#attachmentImageHeight_' + id).val(images[photoNumber].height);
+ }
+ });
+ }
+ }
+ };
+
+ /**
+ * Add event listener to control the attachment preview.
+ *
+ * @returns {void}
+ */
+ var processEventListener = function() {
+ $('#previewSpanTitle_' + id).unbind('click').click(function (e) {
+ e.stopPropagation();
+ if (blockTitle === false) {
+ blockTitle = true;
+ $('#previewSpanTitle_' + id).hide();
+ $('#previewInputTitle_' + id).show();
+ $('#previewInputTitle_' + id).val($('#previewInputTitle_' + id).val());
+ $('#previewInputTitle_' + id).focus().select();
+ }
+ });
+
+ $('#previewInputTitle_' + id).blur(function () {
+ blockTitle = false;
+ $('#previewSpanTitle_' + id).html($('#previewInputTitle_' + id).val());
+ $('#previewSpanTitle_' + id).show();
+ $('#previewInputTitle_' + id).hide();
+ });
+
+ $('#previewInputTitle_' + id).keypress(function (e) {
+ if (e.which === 13) {
+ blockTitle = false;
+ $('#previewSpanTitle_' + id).html($('#previewInputTitle_' + id).val());
+ $('#previewSpanTitle_' + id).show();
+ $('#previewInputTitle_' + id).hide();
+ }
+ });
+
+ $('#previewSpanDescription_' + id).unbind('click').click(function (e) {
+ e.stopPropagation();
+ if (blockDescription === false) {
+ blockDescription = true;
+ $('#previewSpanDescription_' + id).hide();
+ $('#previewInputDescription_' + id).show();
+ $('#previewInputDescription_' + id).val($('#previewInputDescription_' + id).val());
+ $('#previewInputDescription_' + id).focus().select();
+ }
+ });
+
+ $('#previewInputDescription_' + id).blur(function () {
+ blockDescription = false;
+ $('#previewSpanDescription_' + id).html($('#previewInputDescription_' + id).val());
+ $('#previewSpanDescription_' + id).show();
+ $('#previewInputDescription_' + id).hide();
+ });
+
+ $('#previewInputDescription_' + id).keypress(function (e) {
+ if (e.which === 13) {
+ blockDescription = false;
+ $('#previewSpanDescription_' + id).html($('#previewInputDescription_' + id).val());
+ $('#previewSpanDescription_' + id).show();
+ $('#previewInputDescription_' + id).hide();
+ }
+ });
+
+ $('#previewSpanTitle_' + id).mouseover(function () {
+ $('#previewSpanTitle_' + id).css({
+ "background-color": "#ff9"
+ });
+ });
+
+ $('#previewSpanTitle_' + id).mouseout(function () {
+ $('#previewSpanTitle_' + id).css({
+ "background-color": "transparent"
+ });
+ });
+
+ $('#previewSpanDescription_' + id).mouseover(function () {
+ $('#previewSpanDescription_' + id).css({
+ "background-color": "#ff9"
+ });
+ });
+
+ $('#previewSpanDescription_' + id).mouseout(function () {
+ $('#previewSpanDescription_' + id).css({
+ "background-color": "transparent"
+ });
+ });
+
+ $('#closePreview_' + id).unbind('click').click(function (e) {
+ e.stopPropagation();
+ block = false;
+ images = '';
+ isActive = false;
+ firstPosted = false;
+ $('#preview_' + id).fadeOut("fast", function () {
+ $('#preview_' + id).remove();
+ $('#profile-rotator').hide();
+ $('#' + id).focus();
+ });
+
+ });
+ };
+
+ /**
+ * Convert attachment bbcode into an array.
+ *
+ * @param {string} content Text content with the attachment bbcode.
+ * @returns {object || null}
+ */
+ var getAttachmentData = function(content) {
+ var data = {};
+
+ var match = content.match(/([\s\S]*)\[attachment([\s\S]*?)\]([\s\S]*?)\[\/attachment\]([\s\S]*)/im);
+ if (match === null || match.length < 5) {
+ return null;
+ }
+
+ var attributes = match[2];
+ data.text = trim(match[1]);
+
+ var type = '';
+ var matches = attributes.match(/type='([\s\S]*?)'/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ type = matches[1].toLowerCase();
+ }
+
+ matches = attributes.match(/type="([\s\S]*?)"/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ type = matches[1].toLowerCase();
+ }
+
+ if (type === '') {
+ return null;
+ }
+
+ if (
+ type !== 'link'
+ && type !== 'audio'
+ && type !== 'photo'
+ && type !== 'video')
+ {
+ return null;
+ }
+
+ if (type !== '') {
+ data.type = type;
+ }
+
+ var url = '';
+
+ matches = attributes.match(/url='([\s\S]*?)'/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ url = matches[1];
+ }
+
+ matches = attributes.match(/url="([\s\S]*?)"/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ url = matches[1];
+ }
+
+ if(url !== '') {
+ data.url = escapeHTML(url);
+ }
+
+ var title = '';
+
+ matches = attributes.match(/title='([\s\S]*?)'/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ title = trim(matches[1]);
+ }
+
+ matches = attributes.match(/title="([\s\S]*?)"/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ title = trim(matches[1]);
+ }
+
+ if (title !== '') {
+ data.title = escapeHTML(title);
+ }
+
+ var image = '';
+
+ matches = attributes.match(/image='([\s\S]*?)'/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ image = trim(matches[1]);
+ }
+
+ matches = attributes.match(/image="([\s\S]*?)"/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ image = trim(matches[1]);
+ }
+
+ if (image !== '') {
+ data.image = escapeHTML(image);
+ }
+
+ var preview = '';
+
+ matches = attributes.match(/preview='([\s\S]*?)'/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ preview = trim(matches[1]);
+ }
+
+ matches = attributes.match(/preview="([\s\S]*?)"/im);
+ if (matches !== null && typeof matches[1] !== 'undefined') {
+ preview = trim(matches[1]);
+ }
+
+ if (preview !== '') {
+ data.preview = escapeHTML(preview);
+ }
+
+ data.text = trim(match[3]);
+ data.after = trim(match[4]);
+
+ return data;
+ };
+
+ /**
+ * Process txt content and if it contains attachment bbcode
+ * add it to the attachment preview .
+ *
+ * @param {string} content
+ * @returns {void}
+ */
+ var addBBCodeToPreview =function(content) {
+ var attachmentData = getAttachmentData(content);
+ if (attachmentData) {
+ reAddAttachment(attachmentData);
+ // Remove the attachment bbcode from the textarea.
+ var content = content.replace(/\[attachment[\s\S]*\[\/attachment]/im, '');
+ $('#' + id).val(content);
+ $('#' + id).focus();
+ }
+ };
+
+ /**
+ * Add an Attachment with data from an old bbcode
+ * generated attachment.
+ *
+ * @param {object} json The attachment data.
+ * @returns {void}
+ */
+ var reAddAttachment = function(json) {
+ if (isActive) {
+ $('#profile-rotator').hide();
+ return;
+ }
+
+ if (json.type !== 'link' && json.type !== 'video' && json.type !== 'photo' || json.url === json.title) {
+ $('#profile-rotator').hide();
+ return;
+ }
+
+ var obj = {data: json};
+ obj = sanitizeInputData(obj);
+
+ var data = obj.data;
+
+ resetPreview();
+
+ processAttachmentTpl(data);
+ addTitleDescription(data);
+ addHostToAttachment(data.url);
+
+ // Since we don't have an array of image data,
+ // we need to add the preview images in a different way
+ // than in function addImagesToAttachment().
+ var imageClass = 'attachment-preview';
+ var image = '';
+
+ if (data.image !== '') {
+ imageClass = 'attachment-image';
+ image = data.image;
+ } else {
+ image = data.preview;
+ }
+
+ if (image !== '') {
+ var appendImage = "<img id='imagePreview_" + id + "' src='" + image + "' class='" + imageClass + "' ></img>"
+ $('#previewImage_' + id).html(appendImage);
+ $('#attachmentImageSrc_' + id).val(bin2hex(image));
+
+ // We need to add the image widht and height when it is
+ // loaded.
+ $('<img/>' ,{
+ load : function(){
+ $('#attachmentImageWidth_' + id).val(this.width);
+ $('#attachmentImageHeight_' + id).val(this.height);
+ },
+ src : image
+ });
+ }
+
+ processEventListener();
+ $('#profile-rotator').hide();
+ };
+
+ /**
+ * Add missing default properties to the input data object.
+ *
+ * @param {object} obj Input data.
+ * @returns {object}
+ */
+ var sanitizeInputData = function(obj) {
+ if (typeof obj.contentType === 'undefined'
+ || obj.contentType === null)
+ {
+ obj.contentType = "";
+ }
+ if (typeof obj.data.url === 'undefined'
+ || obj.data.url === null)
+ {
+ obj.data.url = "";
+ }
+ if (typeof obj.data.title === 'undefined'
+ || obj.data.title === null
+ || obj.data.title === "")
+ {
+ obj.data.title = defaultTitle;
+ }
+ if (typeof obj.data.text === 'undefined'
+ || obj.data.text === null
+ || obj.data.text === "")
+ {
+ obj.data.text = "";
+ }
+ if (typeof obj.data.images === 'undefined'
+ || obj.data.images === null)
+ {
+ obj.data.images = "";
+ }
+
+ if (typeof obj.data.image === 'undefined'
+ || obj.data.image === null)
+ {
+ obj.data.image = "";
+ }
+
+ if (typeof obj.data.preview === 'undefined'
+ || obj.data.preview === null)
+ {
+ obj.data.preview = "";
+ }
+
+ return obj;
+ };
+
+ /**
+ * Destroy the plugin.
+ *
+ * @returns {void}
+ */
+ var destroy = function() {
+ $('#' + id).unbind();
+ $('#preview_' + id).remove();
+ binurl;
+ block = false;
+ blockTitle = false;
+ blockDescription = false;
+ cache = {};
+ images = "";
+ isExtern = false;
+ photoNumber = 0;
+ firstPosted = false;
+ isActive = false;
+ isCrawling = false;
+ id = "";
+ };
+
+ var trim = function(str) {
+ return str.replace(/^\s+|\s+$/g, "");
+ };
+ var escapeHTML = function(unsafe_str) {
+ return unsafe_str
+ .replace(/&/g, '&')
+ .replace(/</g, '<')
+ .replace(/>/g, '>')
+ .replace(/\"/g, '"')
+ .replace(/\[/g, '[')
+ .replace(/\]/g, ']')
+ .replace(/\'/g, '''); // ''' is not valid HTML 4
+ };
+
+ // Initialize LinkPreview
+ init();
+
+ return {
+ // make crawlText() accessable from the outside.
+ crawlText: function(text) {
+ crawlText(text);
+ },
+ addBBCodeToPreview: function(content) {
+ addBBCodeToPreview(content);
+ },
+ destroy: function() {
+ destroy();
+ }
+ };
+ };
+
+ $.fn.linkPreview.defaults = {
+ defaultDescription: "Enter a description",
+ defaultTitle: "Enter a title"
+ };
+
+ /**
+ * Get in a textarea the previous word before the cursor.
+ *
+ * @param {object} text Textarea element.
+ * @param {integer} caretPos Cursor position.
+ *
+ * @returns {string} Previous word.
+ */
+ function returnWord(text, caretPos) {
+ var index = text.indexOf(caretPos);
+ var preText = text.substring(0, caretPos);
+ // If the last character is a space or enter remove it
+ // We need this in friendica for the url preview.
+ var lastChar = preText.slice(-1)
+ if ( lastChar === " "
+ || lastChar === "\n"
+ || lastChar === "\r"
+ )
+ {
+ preText = preText.substring(0, preText.length -1);
+ }
+
+ // Replace new line with space.
+ preText = preText.replace(/\n/g, " ");
+
+ if (preText.indexOf(" ") > 0) {
+ var words = preText.split(" ");
+ return words[words.length - 1]; //return last word
+ }
+ else {
+ return preText;
+ }
+ }
+
+ /**
+ * Get in a textarea the previous word before the cursor.
+ *
+ * @param {string} id The ID of a textarea element.
+ * @returns {sting|null} Previous word or null if no word is available.
+ */
+ function getPrevWord(id) {
+ var text = document.getElementById(id);
+ var caretPos = getCaretPosition(text);
+ var word = returnWord(text.value, caretPos);
+ if (word != null) {
+ return word
+ }
+
+ }
+
+ /**
+ * Get the cursor position in an text element.
+ *
+ * @param {object} ctrl Textarea element.
+ * @returns {integer} Position of the cursor.
+ */
+ function getCaretPosition(ctrl) {
+ var CaretPos = 0; // IE Support
+ if (document.selection) {
+ ctrl.focus();
+ var Sel = document.selection.createRange();
+ Sel.moveStart('character', -ctrl.value.length);
+ CaretPos = Sel.text.length;
+ }
+ // Firefox support
+ else if (ctrl.selectionStart || ctrl.selectionStart == '0') {
+ CaretPos = ctrl.selectionStart;
+ }
+ return (CaretPos);
+ }
+})(jQuery);
+
+// @license-end
projects / friendica.git / blobdiff