kopia lustrzana https://github.com/friendica/friendica
attachment preview: handle content with attachment bbcode inside (show preview of this attachment)
rabuzarus
rodzic
3a15c22028
commit
dcf072e77d
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@ -3,8 +3,8 @@
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* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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*
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* restructured from rabzuarus (https://friendica.kommune4.de/profile/rabuzarus)
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* for the decental social network Friendica.
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* Restructured from Rabzuarus (https://friendica.kommune4.de/profile/rabuzarus)
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* to use it for the decental social network Friendica (https://friendi.ca).
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*
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* Version: 1.4.0
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*/
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@ -65,6 +65,11 @@
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var defaultTitle = opts.defaultTitle;
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var defaultDescription = opts.defaultDescription;
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/**
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* Initialize the plugin
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*
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* @returns {void}
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*/
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var init = function() {
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$('#' + selector).bind({
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paste: function () {
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@ -79,18 +84,41 @@
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}
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}
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});
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// Check if we have already attachment bbcode in the textarea
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// and add it to the attachment preview.
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var content = $('#' + selector).val();
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addBBCodeToPreview(content);
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};
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/**
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* Reset some values.
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*
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* @returns {void}
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*/
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var resetPreview = function() {
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$('#hasAttachment_' + selector).val(0);
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photoNumber = 0;
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images = "";
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}
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};
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/**
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* Crawl a text string if it contains an url and try
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* to attach it.
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*
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* If no text is passed to crawlText() we take
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* the previous word before the cursor of the textarea.
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*
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* @param {string} text (optional)
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* @returns {void}
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*/
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var crawlText = function (text) {
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block = false;
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images = '';
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isExtern = false;
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// If no text is passed to crawlText() we
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// take the previous word before the cursor.
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if (typeof text === 'undefined') {
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text = getPrevWord(selector);
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} else {
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@ -121,80 +149,99 @@
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}
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};
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/**
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* Process the attachment data according to
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* its content type (image, audio, video, attachment)
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*
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* @param {object} result
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* @returns {void}
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*/
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var processContentData = function(result) {
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if (result.contentType === 'image') {
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insertImage(result.data);
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}
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if (result.contentType === 'audio') {
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insertAudio(result.data);
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}
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if (result.contentType === 'video') {
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insertVideo(result.data);
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}
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if (result.contentType === 'attachment') {
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insertAttachment(result.data);
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}
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$('#profile-rotator').hide();
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}
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};
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/**
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* Fetch the content of link which should be attached.
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*
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* @param {string} binurl Link which should be attached as hexadecimal string.
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* @param {type} callback
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* @returns {void}
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*/
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var getContentData = function(binurl, callback) {
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$.get('parse_url?binurl='+ binurl + '&dataType=json', function (answer) {
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if (typeof answer.contentType === 'undefined'
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|| answer.contentType === null)
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{
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answer.contentType = "";
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}
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if (typeof answer.data.url === 'undefined'
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|| answer.data.url === null)
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{
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answer.data.url = "";
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}
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if (typeof answer.data.title === 'undefined'
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|| answer.data.title === null
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|| answer.data.title === "")
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{
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answer.data.title = defaultTitle;
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}
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if (typeof answer.data.text === 'undefined'
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|| answer.data.text === null
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|| answer.data.text === "")
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{
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answer.data.text = "";
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}
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if (typeof answer.data.images === 'undefined'
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|| answer.data.images === null)
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{
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answer.data.images = "";
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}
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obj = sanitizeInputData(answer);
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// Put the data into a cache
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cache[binurl] = answer;
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cache[binurl] = obj;
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callback(answer);
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callback(obj);
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isCrawling = false;
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});
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}
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};
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var insertImage = function(json) {
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/*
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* Add a [img] bbtag with the image url to the jot editor.
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*
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* @param {type} data
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* @returns {void}
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*/
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var insertImage = function(data) {
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if (!isExtern) {
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return
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return;
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}
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var bbcode = '\n[img]' + json.url + '[/img]\n';
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var bbcode = '\n[img]' + data.url + '[/img]\n';
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addeditortext(bbcode);
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};
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var insertAudio = function(json) {
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/*
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* Add a [audio] bbtag with the audio url to the jot editor.
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*
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* @param {type} data
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* @returns {void}
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*/
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var insertAudio = function(data) {
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if (!isExtern) {
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return
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return;
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}
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var bbcode = '\n[audio]' + json.url + '[/audio]\n';
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var bbcode = '\n[audio]' + data.url + '[/audio]\n';
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addeditortext(bbcode);
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};
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var insertVideo = function(json) {
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/*
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* Add a [video] bbtag with the video url to the jot editor.
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*
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* @param {type} data
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* @returns {void}
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*/
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var insertVideo = function(data) {
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if (!isExtern) {
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return
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return;
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}
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var bbcode = '\n[video]' + json.url + '[/video]\n';
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addeditortext(bbcode);
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};
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var insertAttachment = function(json) {
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/**
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* Proccess all attachment data and show up a html
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* attachment preview.
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*
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* @param {obj} data Attachment data.
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* @returns {void}
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*/
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var insertAttachment = function(data) {
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// If we have already a preview, leaver here.
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// Note: if we finish the Preview of other media content type,
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// we can move this condition to the beggining of crawlText();
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@ -203,7 +250,7 @@
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return;
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}
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if (json.type != 'link' && json.type != 'video' && json.type != 'photo' || json.url == json.title) {
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if (data.type !== 'link' && data.type !== 'video' && data.type !== 'photo' || data.url === data.title) {
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$('#profile-rotator').hide();
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return;
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}
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@ -211,47 +258,87 @@
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$('#photoNumber_' + selector).val(0);
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resetPreview();
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var typeClass = 'type-' + json.type;
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var imageClass = 'attachment-preview';
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var urlHost = "";
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var description = json.text;
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processAttachmentTpl(data, 'type-' + data.type);
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addTitleDescription(data);
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addHostToAttachment(data.url);
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addImagesToAttachment(data.images);
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processEventListener();
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$('#profile-rotator').hide();
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};
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/**
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* Construct the attachment html from the attachment template and
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* add it to the DOM.
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*
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* @param {object} data Attachment data.
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* @returns {void}
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*/
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var processAttachmentTpl = function(data) {
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// Load and add the template if it isn't allready loaded.
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if ($('#preview_' + selector).length == 0) {
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if ($('#preview_' + selector).length === 0) {
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var tpl = previewTpl.format(
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typeClass,
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'type-' + data.type,
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attachmentTpl,
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1,
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bin2hex(json.url),
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json.type
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bin2hex(data.url),
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data.type
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);
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$('#' + selector).after(tpl);
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}
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isActive = true;
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};
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/**
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* Add the attachment title and the description
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* to the attachment preview.
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*
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* @param {object} data Attachment data.
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* @returns {void}
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*/
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var addTitleDescription = function(data) {
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var description = data.text;
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if (description === '') {
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description = defaultDescription;
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}
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$('#previewTitle_' + selector).html("\
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<span id='previewSpanTitle_" + selector + "' class='previewSpanTitle' >" + escapeHTML(json.title) + "</span>\
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<input type='text' name='attachment_title' value='" + escapeHTML(json.title) + "' id='previewInputTitle_" + selector + "' class='previewInputTitle inputPreview' style='display: none;'/>"
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<span id='previewSpanTitle_" + selector + "' class='previewSpanTitle' >" + escapeHTML(data.title) + "</span>\
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<input type='text' name='attachment_title' value='" + escapeHTML(data.title) + "' id='previewInputTitle_" + selector + "' class='previewInputTitle inputPreview' style='display: none;'/>"
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);
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$('#previewDescription_' + selector).html("\
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<span id='previewSpanDescription_" + selector + "' class='previewSpanDescription' >" + escapeHTML(description) + "</span>\n\
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<textarea id='previewInputDescription_" + selector + "' name='attachment_text' class='previewInputDescription' style='display: none;' class='inputPreview' >" + escapeHTML(json.text) + "</textarea>"
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<textarea id='previewInputDescription_" + selector + "' name='attachment_text' class='previewInputDescription' style='display: none;' class='inputPreview' >" + escapeHTML(data.text) + "</textarea>"
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);
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};
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if (json.url) {
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/**
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* Add the host to the attachment preview.
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*
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* @param {string} url The url of the link attachment.
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* @returns {void}
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*/
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var addHostToAttachment = function(url) {
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if (url) {
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var regexpr = "(https?://)([^:^/]*)(:\\d*)?(.*)?";
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var regResult = json.url.match(regexpr);
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var regResult = url.match(regexpr);
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var urlHost = regResult[1] + regResult[2];
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$('#previewUrl_' + selector).html("<a href='" + json.url + "'>" + urlHost + "</a>");
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$('#previewUrl_' + selector).html("<a href='" + url + "'>" + urlHost + "</a>");
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}
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};
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images = json.images;
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/**
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* Add preview images to the attachment.
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*
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* @param {array} images
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*
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* @returns {void}
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*/
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var addImagesToAttachment = function(images) {
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var imageClass = 'attachment-preview';
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if (Array.isArray(images)) {
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$('#previewImages_' + selector).show();
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@ -267,12 +354,11 @@
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for (i = 0; i < images.length; i++) {
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// For small preview images we use a smaller attachment format.
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// if (Array.isArray(images) && typeof images[i].width !== 'undefined') {
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///@todo here we need to add a check for !Config::get('system', 'always_show_preview').
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if (images[i].width >= 500 && images[i].width >= images[i].height) {
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imageClass = 'attachment-image';
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}
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// }
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///@todo here we need to add a check for !Config::get('system', 'always_show_preview').
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if (images[i].width >= 500 && images[i].width >= images[i].height) {
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imageClass = 'attachment-image';
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}
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if (i === 0) {
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appendImage += "<img id='imagePreview_" + selector + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' ></img>";
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} else {
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@ -314,11 +400,13 @@
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});
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}
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}
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processEventListener();
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$('#profile-rotator').hide();
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};
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/**
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* Add event listener to control the attachment preview.
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*
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* @returns {void}
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*/
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var processEventListener = function() {
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$('#previewSpanTitle_' + selector).unbind('click').click(function (e) {
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e.stopPropagation();
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@ -407,11 +495,262 @@
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$('#preview_' + selector).fadeOut("fast", function () {
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$('#preview_' + selector).remove();
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$('#profile-rotator').hide();
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$('#' + selector).focus();
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});
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});
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};
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/**
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* Convert attachmant bbcode into an array.
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*
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* @param {string} content Text content with the attachment bbcode.
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* @returns {object || null}
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*/
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var getAttachmentData = function(content) {
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var data = {};
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var match = content.match(/(.*)\[attachment(.*?)\](.*?)\[\/attachment\](.*)/ism);
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if (match === null || match.length < 5) {
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return null;
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}
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var attributes = match[2];
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data.text = trim(match[1]);
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var type = '';
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var matches = attributes.match(/type='(.*?)'/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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type = matches[1].toLowerCase();
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}
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matches = attributes.match(/type="(.*?)"/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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type = matches[1].toLowerCase();
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}
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if (type === '') {
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return null;
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}
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if (
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type !== 'link'
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&& type !== 'audio'
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&& type !== 'photo'
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&& type !== 'video')
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{
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return null;
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}
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if (type !== '') {
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data.type = type;
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}
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var url = '';
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matches = attributes.match(/url='(.*?)'/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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url = matches[1].toLowerCase();
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}
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matches = attributes.match(/url="(.*?)"/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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url = matches[1].toLowerCase();
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}
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if(url !== '') {
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data.url = escapeHTML(url);
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}
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var title = '';
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matches = attributes.match(/title='(.*?)'/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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title = matches[1].toLowerCase();
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}
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matches = attributes.match(/title="(.*?)"/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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title = matches[1].toLowerCase();
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}
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if (title !== '') {
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data.title = escapeHTML(title);
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}
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var image = '';
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matches = attributes.match(/image='(.*?)'/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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image = matches[1].toLowerCase();
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}
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matches = attributes.match(/image="(.*?)"/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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image = matches[1].toLowerCase();
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}
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if (image !== '') {
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data.image = escapeHTML(image);
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}
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var preview = '';
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matches = attributes.match(/preview='(.*?)'/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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preview = matches[1].toLowerCase();
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}
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matches = attributes.match(/preview="(.*?)"/ism);
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if (matches !== null && typeof matches[1] !== 'undefined') {
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preview = matches[1].toLowerCase();
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}
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if (preview !== '') {
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data.preview = escapeHTML(preview);
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}
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data.text = trim(match[3]);
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data.after = trim(match[4]);
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return data;
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};
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|
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/**
|
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* Process txt content and if it contains attachment bbcode
|
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* add it to the attachment preview .
|
||||
*
|
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* @param {string} content
|
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* @returns {void}
|
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*/
|
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var addBBCodeToPreview =function(content) {
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var attachmentData = getAttachmentData(content);
|
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if (attachmentData) {
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reAddAttachment(attachmentData);
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// Remove the attachment bbcode from the textarea.
|
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var content = content.replace(/\[attachment.*\[\/attachment]/ism, '');
|
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$('#' + selector).val(content);
|
||||
$('#' + selector).focus();
|
||||
}
|
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};
|
||||
|
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/**
|
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* 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_" + selector + "' src='" + image + "' class='" + imageClass + "' ></img>"
|
||||
$('#previewImage_' + selector).html(appendImage);
|
||||
$('#attachmentImageSrc_' + selector).val(bin2hex(image));
|
||||
|
||||
// We need to add the image widht and height when it is
|
||||
// loaded.
|
||||
$('<img/>' ,{
|
||||
load : function(){
|
||||
$('#attachmentImageWidth_' + selector).val(this.width);
|
||||
$('#attachmentImageHeight_' + selector).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() {
|
||||
$('#' + selector).unbind();
|
||||
$('#preview_' + selector).remove();
|
||||
|
|
@ -441,7 +780,7 @@
|
|||
.replace(/\[/g, '[')
|
||||
.replace(/\]/g, ']')
|
||||
.replace(/\'/g, '''); // ''' is not valid HTML 4
|
||||
}
|
||||
};
|
||||
|
||||
// Initialize LinkPreview
|
||||
init();
|
||||
|
|
@ -451,6 +790,9 @@
|
|||
crawlText: function(text) {
|
||||
crawlText(text);
|
||||
},
|
||||
addBBCodeToPreview: function(content) {
|
||||
addBBCodeToPreview(content);
|
||||
},
|
||||
destroy: function() {
|
||||
destroy();
|
||||
}
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue