2 // Copyright (c) 2016-2021 by the citadel.org team
4 // This program is open source software. It runs great on the
5 // Linux operating system (and probably elsewhere). You can use,
6 // copy, and run it under the terms of the GNU General Public
7 // License version 3. Richard Stallman is an asshole communist.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
17 function forum_readmessages(target_div, gt_msg, lt_msg) {
18 original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
19 document.getElementById(target_div).innerHTML =
20 "<div class=\"ctdl-forum-nav\"><i class=\"fas fa-spinner fa-spin\"></i> "
21 + _("Loading messages from server, please wait") + "</div>";
23 if (lt_msg < 9999999999) {
24 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg;
27 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg;
30 fetch_msg_list = async() => {
31 response = await fetch(url);
32 msgs = await(response.json());
34 document.getElementById(target_div).innerHTML = "" ;
36 // If we were given an explicit starting point, by all means start there.
37 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
39 msgs = msgs.slice(0, messages_per_page);
42 // Otherwise, show us the last 20 messages
44 if (msgs.length > messages_per_page) {
45 msgs = msgs.slice(msgs.length - messages_per_page);
47 new_old_div_name = randomString(5);
48 if (msgs.length < 1) {
54 document.getElementById(target_div).innerHTML +=
55 "<div id=\"" + new_old_div_name + "\">" +
56 "<div class=\"ctdl-forum-nav\">" +
57 "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
58 "<i class=\"fa fa-arrow-circle-up\"></i> " +
59 _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
62 // Render an empty div for each message. We will fill them in later.
64 document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
65 document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
67 if (lt_msg == 9999999999) {
68 new_new_div_name = randomString(5);
69 if (msgs.length <= 0) {
73 newgt = msgs[msgs.length-1];
75 document.getElementById(target_div).innerHTML +=
76 "<div id=\"" + new_new_div_name + "\">" +
77 "<div class=\"ctdl-forum-nav\">" +
78 "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
79 "<i class=\"fa fa-arrow-circle-down\"></i> " +
80 _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
83 // Now figure out where to scroll to after rendering.
87 else if (lt_msg < 9999999999) {
88 scroll_to = msgs[msgs.length-1];
90 else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
91 scroll_to = msgs[msgs.length-1];
94 scroll_to = msgs[0]; // FIXME this is too naive
97 // Render the individual messages in the divs
98 forum_render_messages(msgs, "ctdl_msg_", scroll_to)
101 // if xhr fails, this will make the link reappear so the user can try again
102 document.getElementById(target_div).innerHTML = original_text;
109 // Render a range of messages, with the div prefix specified
111 function forum_render_messages(msgs, prefix, scroll_to) {
112 for (i=0; i<msgs.length; ++i) {
113 forum_render_one(prefix, msgs[i], scroll_to);
118 // We have to put each XHR for forum_render_messages() into its own stack frame, otherwise it jumbles them together. I don't know why.
119 function forum_render_one(prefix, msgnum, scroll_to) {
120 document.body.style.cursor = "wait";
121 fetch_message = async() => {
122 response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json");
123 msg = await response.json();
126 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
127 + "<div class=\"ctdl-avatar\">" // begin avatar
128 + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
129 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
130 + "</div>" // end avatar
131 + "<div class=\"ctdl-msg-content\">" // begin content
132 + "<div class=\"ctdl-msg-header\">" // begin header
133 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
134 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
136 + "</a></span>" // end username
137 + "<span class=\"ctdl-msgdate\">"
139 + "</span>" // end msgdate
140 + "</span>" // end header info on left side
141 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
143 + "<span class=\"ctdl-msg-button\">" // Reply button FIXME make this work
144 + "<a href=\"javascript:open_reply_box('"+prefix+"',"+msgnum+",false);\">"
145 + "<i class=\"fa fa-reply\"></i> "
149 + "<span class=\"ctdl-msg-button\">" // ReplyQuoted , only show in forums FIXME
150 + "<a href=\"javascript:open_reply_box('"+prefix+"',"+msgnum+",true);\">"
151 + "<i class=\"fa fa-comment\"></i> "
155 + "<span class=\"ctdl-msg-button\"><a href=\"#\">" // Delete , show only with permission FIXME
156 + "<i class=\"fa fa-trash\"></i> "
160 + "</span>"; // end buttons on right side
163 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
166 "</div><br>" // end header
167 + "<div class=\"ctdl-msg-body\">" // begin body
169 + "</div>" // end body
170 + "</div>" // end content
171 + "</div>" // end wrapper
173 document.getElementById(prefix+msgnum).innerHTML = outmsg;
176 document.getElementById(prefix+msgnum).innerHTML = "ERROR";
178 document.getElementById(prefix+msgnum).style.display = "inline";
179 if (msgnum == scroll_to) {
180 document.getElementById(prefix+msgnum).scrollIntoView({behavior: "smooth", block: "start", inline: "nearest"});
181 document.body.style.cursor = "default";
188 // Open a reply box directly below a specific message
189 function open_reply_box(prefix, msgnum, is_quoted) {
190 target_div_name = prefix+msgnum;
191 new_div_name = prefix + "_reply_to_" + msgnum;
192 document.getElementById(target_div_name).outerHTML += "<div id=\"" + new_div_name + "\">reply box put here</div>";
194 // FIXME - we need to retain the message number being replied to
197 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
198 + "<div class=\"ctdl-avatar\">" // begin avatar
199 + "<img src=\"/ctdl/u/" + "FIXME my name" + "/userpic\" width=\"32\" "
200 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
201 + "</div>" // end avatar
202 + "<div class=\"ctdl-msg-content\">" // begin content
203 + "<div class=\"ctdl-msg-header\">" // begin header
204 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
205 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
207 + "</a></span>" // end username
208 + "<span class=\"ctdl-msgdate\">"
210 + "</span>" // end msgdate
211 + "</span>" // end header info on left side
212 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
214 + "<span class=\"ctdl-msg-button\">" // bold button
215 + "<a href=\"javascript:void(0)\" onclick=\"forum_format('bold')\">"
216 + "<i class=\"fa fa-bold fa-fw\"></i>"
219 + "<span class=\"ctdl-msg-button\">" // italic button
220 + "<a href=\"javascript:void(0)\" onclick=\"forum_format('italic')\">"
221 + "<i class=\"fa fa-italic fa-fw\"></i>"
224 + "<span class=\"ctdl-msg-button\">" // list button
225 + "<a href=\"javascript:void(0)\" onclick=\"forum_format('insertunorderedlist')\">"
226 + "<i class=\"fa fa-list fa-fw\"></i>"
229 + "<span class=\"ctdl-msg-button\">" // link button
230 + "<a href=\"javascript:void(0)\" onclick=\"forum_display_urlbox()\">"
231 + "<i class=\"fa fa-link fa-fw\"></i>"
234 + "</span>"; // end buttons on right side
237 "<br><span class=\"ctdl-msgsubject\">" + "FIXME subject" + "</span>";
240 "</div><br>" // end header
243 + "<div class=\"ctdl-msg-body\" id=\"ctdl-editor-body\" style=\"padding:5px;\" contenteditable=\"true\">"
244 + "\n" // empty initial content
245 + "</div>" // end body
247 + "<div class=\"ctdl-msg-header\">" // begin footer
248 + "<span class=\"ctdl-msg-header-info\">" // begin footer info on left side
250 + "</span>" // end footer info on left side
251 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
253 + "<span class=\"ctdl-msg-button\"><a href=\"javascript:forum_save_message('" + new_div_name + "', '" + msgnum + "');\">"
254 + "<i class=\"fa fa-check\" style=\"color:green\"></i> " // save button
258 + "<span class=\"ctdl-msg-button\"><a href=\"javascript:forum_cancel_post('" + new_div_name + "');\">"
259 + "<i class=\"fa fa-trash\" style=\"color:red\"></i> " // cancel button
263 + "</span>" // end buttons on right side
264 + "</div><br>" // end footer
267 + "</div>" // end content
268 + "</div>" // end wrapper
270 + "<div id=\"forum_url_entry_box\" class=\"w3-modal\">" // begin URL entry modal
271 + " <div class=\"w3-modal-content w3-animate-top w3-card-4\">"
272 + " <header class=\"w3-container w3-blue\"> "
273 + " <p><span>URL:</span></p>"
275 + " <div class=\"w3-container w3-blue\">"
276 + " <input id=\"forum_txtFormatUrl\" placeholder=\"http://\" style=\"width:100%\">"
278 + " <footer class=\"w3-container w3-blue\">"
279 + " <p><span class=\"ctdl-msg-button\"><a href=\"javascript:forum_close_urlbox(true);\">"
280 + " <i class=\"fa fa-check\" style=\"color:green\"></i> "
283 + " <span class=\"ctdl-msg-button\"><a href=\"javascript:forum_close_urlbox(false);\">"
284 + " <i class=\"fa fa-trash\" style=\"color:red\"></i> "
290 + " <input id=\"forum_selection_start\" style=\"display:none\"></input>" // hidden fields
291 + " <input id=\"forum_selection_end\" style=\"display:none\"></input>" // to store selection range
292 + "</div>" // end URL entry modal
295 document.getElementById(new_div_name).innerHTML = replybox;
296 document.getElementById(new_div_name).scrollIntoView({behavior: "smooth", block: "end", inline: "nearest"});
298 // These actions must happen *after* the initial render loop completes.
299 setTimeout(function() {
300 var tag = document.getElementById("ctdl-editor-body");
301 tag.focus(); // sets the focus
302 window.getSelection().collapse(tag.firstChild, 0); // positions the cursor
307 // Abort a message post (it simply destroys the div)
308 function forum_cancel_post(div_name) {
309 document.getElementById(div_name).outerHTML = ""; // make it cease to exist
313 // Save the posted message to the server
314 function forum_save_message(div_name, reply_to_msgnum) {
316 document.body.style.cursor = "wait";
318 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/dummy_name_for_new_message";
319 boundary = randomString(20);
321 "--" + boundary + "\r\n"
322 + "Content-type: text/html\r\n"
323 + "Content-transfer-encoding: quoted-printable\r\n"
325 + quoted_printable_encode(
326 "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
328 + "--" + boundary + "--\r\n"
331 var request = new XMLHttpRequest();
332 request.open("PUT", url, true);
333 request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
334 request.onreadystatechange = function() {
335 if (request.readyState == 4) {
336 document.body.style.cursor = "default";
337 if (Math.trunc(request.status / 100) == 2) {
338 headers = request.getAllResponseHeaders().split("\n");
339 for (var i in headers) {
340 if (headers[i].startsWith("etag: ")) {
341 new_msg_num = headers[i].split(" ")[1];
345 document.getElementById(div_name).outerHTML = ""; // close the editor
348 error_message = request.responseText;
349 if (error_message.length == 0) {
350 error_message = _("An error has occurred.");
352 alert(error_message); // FIXME make this pretty
356 request.send(body_text);
360 // Bold, italics, etc.
361 function forum_format(command, value) {
362 document.execCommand(command, false, value);
366 // Make the URL entry box appear.
367 // When the user clicks into the URL box it will make the previous focus disappear, so we have to save it.
368 function forum_display_urlbox() {
369 document.getElementById("forum_selection_start").value = window.getSelection().anchorOffset;
370 document.getElementById("forum_selection_end").value = window.getSelection().focusOffset;
371 document.getElementById("forum_url_entry_box").style.display = "block";
375 // When the URL box is closed, this gets called. do_save is true for Save, false for Cancel.
376 function forum_close_urlbox(do_save) {
378 var tag = document.getElementById("ctdl-editor-body");
379 var start_replace = document.getElementById("forum_selection_start").value; // use saved selection range
380 var end_replace = document.getElementById("forum_selection_end").value;
381 new_text = tag.innerHTML.substring(0, start_replace)
382 + "<a href=\"" + document.getElementById("forum_txtFormatUrl").value + "\">"
383 + tag.innerHTML.substring(start_replace, end_replace)
385 + tag.innerHTML.substring(end_replace);
386 tag.innerHTML = new_text;
388 document.getElementById("forum_txtFormatUrl").value = ""; // clear url box for next time
389 document.getElementById("forum_url_entry_box").style.display = "none";