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attachment preview: frontend work (works with frio)

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This commit is contained in:
rabuzarus 2019-02-01 19:18:08 +01:00
parent 0993f3e6ef
commit 07d1932efc
5 changed files with 613 additions and 28 deletions
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40
mod/parse_url.php
View file

@ -12,6 +12,7 @@
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\Util\Network;
use Friendica\Util\ParseUrl;
@ -19,6 +20,8 @@ function parse_url_content(App $a)
{
$text = null;
$str_tags = '';
$format = '';
$ret= ['success' => false, 'contentType' => ''];
$br = "\n";
@ -43,6 +46,10 @@ function parse_url_content(App $a)
}
}
if (isset($_GET['dataType']) && $_GET['dataType'] == 'json') {
$format = 'json';
}
// Add url scheme if it is missing
$arrurl = parse_url($url);
if (empty($arrurl['scheme'])) {
@ -73,23 +80,36 @@ function parse_url_content(App $a)
}
}
$type = null;
$content_type = '';
$bbcode = '';
if (array_key_exists('Content-Type', $hdrs)) {
$type = $hdrs['Content-Type'];
}
if ($type) {
if (stripos($type, 'image/') !== false) {
echo $br . '[img]' . $url . '[/img]' . $br;
exit();
$content_type = 'image';
$bbcode = $br . '[img]' . $url . '[/img]' . $br;
}
if (stripos($type, 'video/') !== false) {
echo $br . '[video]' . $url . '[/video]' . $br;
exit();
$content_type = 'video';
$bbcode = $br . '[video]' . $url . '[/video]' . $br;
}
if (stripos($type, 'audio/') !== false) {
echo $br . '[audio]' . $url . '[/audio]' . $br;
exit();
$content_type = 'audio';
$bbcode = $br . '[audio]' . $url . '[/audio]' . $br;
}
}
if (!empty($content_type)) {
if ($format == 'json') {
$ret['contentType'] = $content_type;
$ret['data'] = ['url' => $url];
$ret['success'] = true;
System::jsonExit($ret);
}
echo $bbcode;
exit();
}
}
@ -130,6 +150,14 @@ function parse_url_content(App $a)
exit();
}
if ($format == 'json') {
$ret['data'] = $siteinfo;
$ret['contentType'] = 'attachment';
$ret['success'] = true;
System::jsonExit($ret);
}
// Format it as BBCode attachment
$info = add_page_info_data($siteinfo);

419
view/js/linkPreview.js Normal file
View file

@ -0,0 +1,419 @@
/**
* 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 from rabzuarus (https://friendica.kommune4.de/profile/rabuzarus)
* for the decental social network Friendica.
*
* Version: 1.4.0
*/
(function ($) {
$.fn.linkPreview = function (options) {
var opts = jQuery.extend({}, $.fn.linkPreview.defaults, options);
var selector = $(this).selector;
selector = selector.substr(1);
var previewTpl = '\
<div id="preview_' + selector + '" class="preview {0}">{1}</div>\
<div style="clear: both"></div>';
var attachmentTpl = '\
<hr class="previewseparator">\
<div id="closePreview_' + selector + '" title="Remove" class="closePreview" >\
<button type="button" class="previewActionBtn">×</button>\
</div>\
<div id="previewImages_' + selector + '" class="previewImages">\
<div id="previewImgBtn_' + selector + '" class="previewImgBtn">\
<button type="button" id="previewChangeImg_' + selector + '" class="buttonChangeDeactive previewActionBtn" style="display: none">\
<i class="fa fa-exchange" aria-hidden="true"></i>\
</button>\
</div>\
<div id="previewImage_' + selector + '" class="previewImage">\
</div>\
<input type="hidden" id="photoNumber_' + selector + '" class="photoNumber" value="0" />\
</div>\
<div id="previewContent_' + selector + '" class="previewContent">\
<h4 id="previewTitle_' + selector + '" class="previewTitle"></h4>\
<blockquote id="previewDescription_' + selector + '" class="previewDescription"></blockquote>\
<div id="hiddenDescription_' + selector + '" class="hiddenDescription"></div>\
<sup id="previewUrl_' + selector + '" class="previewUrl"></sup>\
</div>\
<div class="clear"></div>\
<hr class="previewseparator">';
var text;
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;
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;
var init = function() {
$('#' + selector).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();
}
}
});
};
var resetPreview = function() {
$('#previewChangeImg_' + selector).removeClass('buttonChangeActive');
$('#previewChangeImg_' + selector).addClass('buttonChangeDeactive');
photoNumber = 0;
images = "";
}
var crawlText = function (text) {
block = false;
images = '';
isExtern = false;
if (typeof text === 'undefined') {
text = getPrevWord(selector);
} else {
isExtern = true;
}
if (trim(text) !== "") {
if (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);
}
}
}
};
var processContentData = function(result) {
if (result.contentType === 'image') {
insertImage(result.data);
}
if (result.contentType === 'attachment') {
insertAttachment(result.data);
}
$('#profile-rotator').hide();
}
var getContentData = function(binurl, callback) {
$.get('parse_url?binurl='+ binurl + '&dataType=json', function (answer) {
if (typeof answer.contentType === 'undefined'
|| answer.contentType === null)
{
answer.contentType = "";
}
if (typeof answer.data.url === 'undefined'
|| answer.data.url === null)
{
answer.data.url = "";
}
if (typeof answer.data.title === 'undefined'
|| answer.data.title === null
|| answer.data.title === "")
{
answer.data.title = defaultTitle;
}
if (typeof answer.data.text === 'undefined'
|| answer.data.text === null
|| answer.data.text === "")
{
answer.data.text = "";
}
if (typeof answer.data.images === 'undefined'
|| answer.data.images === null)
{
answer.data.images = "";
}
// Put the data into a cache
cache[binurl] = answer;
callback(answer);
isCrawling = false;
});
}
var insertImage = function(json) {
if (!isExtern) {
return
}
var bbcode = '\n[img]' + json.url + '[/img]\n';
addeditortext(bbcode);
};
var insertAudio = function(json) {
if (!isExtern) {
return
}
var bbcode = '\n[audio]' + json.url + '[/audio]\n';
addeditortext(bbcode);
};
var insertVideo = function(json) {
if (!isExtern) {
return
}
var bbcode = '\n[video]' + json.url + '[/video]\n';
addeditortext(bbcode);
};
var insertAttachment = function(json) {
// 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 beggining of crawlText();
if (isActive) {
return;
}
if (json.type != 'link' && json.type != 'video' && json.type != 'photo' || json.url == json.title) {
return;
}
$('#photoNumber_' + selector).val(0);
resetPreview();
var typeClass = 'type-' + json.type;
var imageClass = 'attachment-preview';
var urlHost = "";
var description = json.text;
// Load and add the template if it isn't allready loaded.
if ($('#preview_' + selector).length == 0) {
var tpl = previewTpl.format(typeClass, attachmentTpl);
$('#' + selector).after(tpl);
}
isActive = true;
if (description === '') {
description = defaultDescription;
}
$('#previewTitle_' + selector).html("\
<span id='previewSpanTitle_" + selector + "' class='previewSpanTitle' >" + escapeHTML(json.title) + "</span>\
<input type='text' value='" + escapeHTML(json.title) + "' id='previewInputTitle_" + selector + "' class='previewInputTitle inputPreview' style='display: none;'/>"
);
$('#previewDescription_' + selector).html("\
<span id='previewSpanDescription_" + selector + "' class='previewSpanDescription' >" + escapeHTML(description) + "</span>\n\
<textarea id='previewInputDescription_" + selector + "' class='previewInputDescription' style='display: none;' class='inputPreview' >" + escapeHTML(json.text) + "</textarea>"
);
if (json.url) {
var regexpr = "(https?://)([^:^/]*)(:\\d*)?(.*)?";
var regResult = json.url.match(regexpr);
var urlHost = regResult[1] + regResult[2];
$('#previewUrl_' + selector).html("<a href='" + json.url + "'>" + urlHost + "</a>");
}
images = json.images;
if (Array.isArray(images)) {
$('#previewImages_' + selector).show();
} else {
$('#previewImages_' + selector).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.
// if (Array.isArray(images) && typeof images[i].width !== 'undefined') {
///@todo here we need to add a check for !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_" + selector + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' ></img>";
} else {
appendImage += "<img id='imagePreview_" + selector + "_" + i + "' src='" + images[i].src + "' class='" + imageClass + "' style='display: none;'></img>";
}
}
$('#previewImage_' + selector).html(appendImage + "<div id='whiteImage' style='color: transparent; display:none;'>...</div>");
// more than just one image.
if (images.length > 1) {
// Enable the the button to change the preview pictures.
$('#previewChangeImg_' + selector).show();
if (firstPosted === false) {
firstPosted = true;
$('#previewChangeImg_' + selector).unbind('click').click(function (e) {
e.stopPropagation();
if (images.length > 1) {
// photoNumber = parseInt($('#photoNumber_' + selector).val());
$('#imagePreview_' + selector + '_' + photoNumber).css({
'display': 'none'
});
photoNumber += 1;
// If have reached the last image, begin with the first image.
if (photoNumber === images.length) {
photoNumber = 0;
}
$('#imagePreview_' + selector + '_' + photoNumber).css({
'display': 'block'
});
$('#photoNumber_' + selector).val(photoNumber);
}
});
}
}
processEventListener();
$('#profile-rotator').hide();
};
var processEventListener = function() {
$('#previewSpanTitle_' + selector).unbind('click').click(function (e) {
e.stopPropagation();
if (blockTitle === false) {
blockTitle = true;
$('#previewSpanTitle_' + selector).hide();
$('#previewInputTitle_' + selector).show();
$('#previewInputTitle_' + selector).val($('#previewInputTitle_' + selector).val());
$('#previewInputTitle_' + selector).focus().select();
}
});
$('#previewInputTitle_' + selector).blur(function () {
blockTitle = false;
$('#previewSpanTitle_' + selector).html($('#previewInputTitle_' + selector).val());
$('#previewSpanTitle_' + selector).show();
$('#previewInputTitle_' + selector).hide();
});
$('#previewInputTitle_' + selector).keypress(function (e) {
if (e.which === 13) {
blockTitle = false;
$('#previewSpanTitle_' + selector).html($('#previewInputTitle_' + selector).val());
$('#previewSpanTitle_' + selector).show();
$('#previewInputTitle_' + selector).hide();
}
});
$('#previewSpanDescription_' + selector).unbind('click').click(function (e) {
e.stopPropagation();
if (blockDescription === false) {
blockDescription = true;
$('#previewSpanDescription_' + selector).hide();
$('#previewInputDescription_' + selector).show();
$('#previewInputDescription_' + selector).val($('#previewInputDescription_' + selector).val());
$('#previewInputDescription_' + selector).focus().select();
}
});
$('#previewInputDescription_' + selector).blur(function () {
blockDescription = false;
$('#previewSpanDescription_' + selector).html($('#previewInputDescription_' + selector).val());
$('#previewSpanDescription_' + selector).show();
$('#previewInputDescription_' + selector).hide();
});
$('#previewInputDescription_' + selector).keypress(function (e) {
if (e.which === 13) {
blockDescription = false;
$('#previewSpanDescription_' + selector).html($('#previewInputDescription_' + selector).val());
$('#previewSpanDescription_' + selector).show();
$('#previewInputDescription_' + selector).hide();
}
});
$('#previewSpanTitle_' + selector).mouseover(function () {
$('#previewSpanTitle_' + selector).css({
"background-color": "#ff9"
});
});
$('#previewSpanTitle_' + selector).mouseout(function () {
$('#previewSpanTitle_' + selector).css({
"background-color": "transparent"
});
});
$('#previewSpanDescription_' + selector).mouseover(function () {
$('#previewSpanDescription_' + selector).css({
"background-color": "#ff9"
});
});
$('#previewSpanDescription_' + selector).mouseout(function () {
$('#previewSpanDescription_' + selector).css({
"background-color": "transparent"
});
});
$('#closePreview_' + selector).unbind('click').click(function (e) {
e.stopPropagation();
block = false;
images = '';
isActive = false;
firstPosted = false;
$('#preview_' + selector).fadeOut("fast", function () {
$('#preview_' + selector).remove();
$('#profile-rotator').hide();
});
});
};
var trim = function(str) {
return str.replace(/^\s+|\s+$/g, "");
};
var escapeHTML = function(unsafe_str) {
return unsafe_str
.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/\"/g, '&quot;')
.replace(/\[/g, '&#91;')
.replace(/\]/g, '&#93;')
.replace(/\'/g, '&#39;'); // '&apos;' is not valid HTML 4
}
// Initialize LinkPreview
init();
return {
// make crawlText() accessable from the outside.
crawlText: function (text) {
crawlText(text);
}
};
};
$.fn.linkPreview.defaults = {
defaultDescription: "Enter a description",
defaultTitle: "Enter a title"
};
})(jQuery);

63
view/theme/frio/css/style.css
View file

@ -1340,6 +1340,67 @@ section #jotOpen {
#jot-text-wrap textarea {
min-height: 100px;
}
/*#jot-attachment-preview {
display: none;
}*/
#jot-text-wrap .preview textarea {
width: 100%;
}
#preview_profile-jot-text {
position: relative;
padding: 0px 10px;
margin-top: -2px;
border: 2px solid #ededed;
border-top: none;
box-shadow: none;
border-radius: 0 0 4px 4px;
background: #fff;
color: #555;
}
textarea#profile-jot-text:focus + #preview_profile-jot-text {
border: 2px solid #6fdbe8;
border-top: none;
}
.preview hr.previewseparator {
margin-top: 0px;
border-color: #D2D2D2;
}
#previewImgBtn_profile-jot-text,
.closePreview {
position: absolute;
top: 15px;
}
.closePreview {
right: 15px;
z-index: 1;
}
.previewImgBtn {
left: 15px;
}
.preview button.previewActionBtn {
display:block;
height: 25px;
width: 25px;
border-radius: 50%;
color: #fff;
border: 2px solid #fff;
box-shadow: 0 0 3px gray;
background: #777;
text-align: center;
line-height: 2px;
text-decoration: none;
padding: 0 0 1px 1px;
opacity: 0.7;
}
.preview button.previewActionBtn:hover {
opacity: 1;
}
.preview .closePreview button.previewActionBtn {
font-size: 25px;
}
#previewInputTitle_profile-jot-text {
width: 100%;
}
#profile-jot-wrapper button#profile-jot-submit {
margin-top: 5px;
}
@ -1347,7 +1408,7 @@ section #jotOpen {
padding: 10px 15px;
}
/* ACL */
/* ACL
/*#jot-modal-body {
height: auto;
max-height: calc(100vh - 130px);

94
view/theme/frio/js/jot.js Normal file
View file

@ -0,0 +1,94 @@
var linkPreview;
$(document).ready(function() {
linkPreview = $('#profile-jot-text').linkPreview();
});
/**
* Insert a link into friendica jot.
*
* @returns {void}
*/
function jotGetLink() {
var currentText = $("#profile-jot-text").val();
var noAttachment = '';
reply = prompt(aStr.linkurl);
if(reply && reply.length) {
// There should be only one attachment per post.
// So we need to remove the old one.
$('#jot-attachment-preview').empty();
$('#profile-rotator').show();
if (currentText.includes("[attachment") && currentText.includes("[/attachment]")) {
noAttachment = '&noAttachment=1';
}
// We use the linkPreview library to have a preview
// of the attachments.
linkPreview.crawlText(reply + noAttachment);
autosize.update($("#profile-jot-text"));
}
}
/**
* Get in a textarea the previous word before the cursor.
*
* @param {object} text Textarea elemet.
* @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 charachter is a space remove the one space
// We need this in friendica for the url preview.
if (preText.slice(-1) == " ") {
preText = preText.substring(0, preText.length -1);
}
// preText = preText.replace(/^\s+|\s+$/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 posiotion in an text element.
*
* @param {object} ctrl Textarea elemet.
* @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);
}

25
view/theme/frio/templates/jot-header.tpl
View file

@ -1,5 +1,7 @@
<script type="text/javascript" src="{{$baseurl}}/view/js/ajaxupload.js" ></script>
<script type="text/javascript" src="{{$baseurl}}/view/js/ajaxupload.js"></script>
<script type="text/javascript" src="{{$baseurl}}/view/js/linkPreview.js"></script>
<script type="text/javascript" src="{{$baseurl}}/view/theme/frio/js/jot.js"></script>
<script type="text/javascript">
var editor = false;
@ -39,6 +41,7 @@
<script type="text/javascript">
var ispublic = '{{$ispublic}}';
aStr.linkurl = '{{$linkurl}}';
$(document).ready(function() {
@ -126,24 +129,6 @@
}
}
function jotGetLink() {
var currentText = $("#profile-jot-text").val();
var noAttachment = '';
reply = prompt("{{$linkurl}}");
if(reply && reply.length) {
reply = bin2hex(reply);
$('#profile-rotator').show();
if (currentText.includes("[attachment") && currentText.includes("[/attachment]")) {
noAttachment = '&noAttachment=1';
}
$.get('parse_url?binurl=' + reply + noAttachment, function(data) {
addeditortext(data);
$('#profile-rotator').hide();
});
autosize.update($("#profile-jot-text"));
}
}
function jotVideoURL() {
reply = prompt("{{$vidurl}}");
if(reply && reply.length) {
@ -158,7 +143,6 @@
}
}
function jotGetLocation() {
reply = prompt("{{$whereareu}}", $('#jot-location').val());
if(reply && reply.length) {
@ -226,7 +210,6 @@
}
function itemFiler(id) {
var bordercolor = $("input").css("border-color");
$.get('filer/', function(data){