1 /* Blerg is (C) 2011 The Dominion of Awesome, and is distributed under a
2 * BSD-style license. Please see the COPYING file for details.
7 var recordTemplate = new Template(
8 '<div class="record">#{data}<div class="info">Posted #{date}</div></div>'
10 var tagRecordTemplate = new Template(
11 '<div class="record">#{data}<div class="info">Posted by <a href="/\##{author}">@#{author}</a> on #{date}</div></div>'
21 // Object to keep track of login status
22 function LoginStatus() {
24 document.cookie.split(/;\s+/).each(function(v) {
26 cookies[kv[0]] = kv[1];
28 if (cookies.auth && cookies.username) {
30 this.username = cookies.username;
32 this.loggedIn = false;
38 LoginStatus.prototype.login = function(username, password) {
39 new Ajax.Request(baseURL + '/login', {
44 onSuccess: function(r) {
45 var j = r.responseText.evalJSON();
46 if (j && j.status == 'success') {
48 this.username = username;
49 document.cookie = "username=" + username;
50 $('login.password').value = '';
53 alert("Could not log in");
54 $('login.username').focus();
57 onFailure: function(r) {
58 alert("Could not log in");
59 $('login.username').focus();
64 LoginStatus.prototype.logout = function() {
65 new Ajax.Request(baseURL + '/logout', {
67 username: this.username
69 onSuccess: function(r) {
70 this.loggedIn = false;
71 document.cookie = "auth=; expires=1-Jan-1970 00:00:00 GMT";
75 document.cookie = "username=; expires=1-Jan-1970 00:00:00 GMT";
78 LoginStatus.prototype.update = function() {
80 $('userlink').href = '/#' + this.username;
81 $('userlink').update('@' + this.username);
91 LoginStatus.prototype.post = function(msg) {
93 alert("You are not logged in!");
97 new Ajax.Request(baseURL + '/put', {
99 username: this.username,
102 onSuccess: function(r) {
103 var j = r.responseText.evalJSON();
104 if (j && j.status == 'success') {
105 $('post.content').value = '';
106 if (location.hash != '#' + this.username) {
107 location.hash = this.username;
110 currentPager.itemCount++;
111 currentPager.pageStart = null;
112 currentPager.loadItems();
115 alert('Post failed!');
118 onFailure: function(r) {
119 alert('Post failed!');
125 // Base object for paged data
127 this.itemsPerPage = 10;
130 Pager.prototype.initPager = function() {
131 this.itemCache = new Hash();
132 this.pageStart = null;
135 Pager.prototype.olderPage = function() {
136 if (this.pageStart >= this.itemsPerPage) {
137 this.pageStart -= this.itemsPerPage;
142 Pager.prototype.newerPage = function() {
143 if (this.pageStart + this.itemsPerPage < this.itemCount) {
144 this.pageStart += this.itemsPerPage;
149 Pager.prototype.addItems = function(items) {
150 items.each(function(v) {
151 if (!this.itemCache[v.id])
152 this.itemCache[v.id] = v;
156 Pager.prototype.displayItems = function() {
157 if (this.pageStart == undefined)
158 this.pageStart == this.itemCount - 1;
161 if (this.pageStart != undefined && this.itemCache[this.pageStart]) {
162 var end = (this.pageStart >= this.itemsPerPage ? this.pageStart - this.itemsPerPage + 1 : 0);
163 for (var i = this.pageStart; i >= end; i--) {
164 items.insert(this.itemCache[i].html);
167 items.insert("There doesn't seem to be anything here!");
170 if (this.pageStart < this.itemCount - 1)
171 $('newer_link').show();
173 $('newer_link').hide();
175 if (this.pageStart >= 10)
176 $('older_link').show();
178 $('older_link').hide();
182 // Object to render user pages
183 function User(username) {
185 this.username = username;
187 new Ajax.Request(baseURL + '/info/' + username, {
189 onSuccess: function(r) {
190 var j = r.responseText.evalJSON();
192 this.itemCount = parseInt(j.record_count);
198 User.prototype = new Pager();
199 User.prototype.constructor = User;
201 User.prototype.show = function() {
202 $$('[name=section]').each(function(v) { v.update(' @' + this.username) }.bind(this));
205 $('reflink').href = '/#ref/' + this.username;
207 $('rsslink').href = '/rss/' + this.username;
210 User.prototype.loadItems = function(from, to) {
212 if (from != undefined && to != undefined) {
213 url = baseURL + '/get/' + this.username + '/' + from + '-' + to;
216 url = baseURL + '/get/' + this.username;
219 new Ajax.Request(url, {
221 onSuccess: function(r) {
222 var records = r.responseText.evalJSON();
223 if (records && records.length > 0) {
224 records.each(function(v) {
226 mangleRecord(v, recordTemplate);
228 this.addItems(records);
230 this.pageStart = records[0].recInt;
234 onFailure: function(r) {
238 displayError('User not found');
243 function mangleRecord(record, template) {
244 record.recInt = parseInt(record.record);
246 // Sanitize HTML input
247 record.data = record.data.replace('&', '&').replace('<', '<').replace('>', '>');
249 // Turn HTTP URLs into links
250 record.data = record.data.replace(/(\s|^)(https?:\/\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\/(\S*[^.!,;?()\s])?)?)/g, '$1<a href="$2">$2</a>');
252 // Turn markdown links into links
253 record.data = record.data.replace(/(\s|^)\[([^\]]+)\]\((https?:\/\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\/[^)]*?)?)\)/, '$1<a href="$3">$2</a>');
255 // Turn refs and tags into links
256 record.data = record.data.replace(/(\s|^)#(\w+)/g, '$1<a href="#tag/$2">#$2</a>');
257 record.data = record.data.replace(/(\s|^)@(\w+)/g, '$1<a href="#$2">@$2</a>');
259 // Turn newlines into linebreaks and paragraphs
260 record.data = record.data.replace(/\r?\n\r?\n/g, "<p>").replace(/\r?\n/g, "<br>");
262 record.date = (new Date(record.timestamp * 1000)).toString();
263 record.html = template.evaluate(record);
266 function displayError(msg) {
267 items.innerText = msg;
271 // Object for browsing tags
272 function Tag(type, tag) {
277 var url = baseURL + "/tag/";
281 url += 'H'; // apache is eating the hash, even encoded. Probably a security feature.
287 alert('Invalid tag type: ' + type);
292 new Ajax.Request(url, {
294 onSuccess: function(r) {
295 var j = r.responseText.evalJSON();
297 var maxid = j.length - 1;
298 j.each(function(v, i) {
300 mangleRecord(v, tagRecordTemplate)
303 this.pageStart = j.length - 1;
307 onFailure: function(r) {
313 Tag.prototype = new Pager();
314 Tag.prototype.constructor = Tag;
316 Tag.prototype.show = function() {
317 var ctype = {ref: '@', tag: '#'}[this.type];
319 $$('[name=section]').each(function(v) {
320 v.update(' about ' + ctype + this.tag);
324 $('older_link').hide();
325 $('newer_link').hide();
330 function postPopup() {
331 if (loginStatus.loggedIn) {
332 var post = $('post');
333 if (post.visible()) {
337 if (currentPager.username && currentPager.username != loginStatus.username && !$('post.content').value) {
338 $('post.content').value = '@' + currentPager.username + ': ';
340 $('post.content').focus();
346 var username = $('signup.username').value;
347 var password = $('signup.password').value;
349 new Ajax.Request(baseURL + '/create', {
354 onSuccess: function(r) {
356 location.hash = username;
359 loginStatus.login(username, password);
361 onFailure: function(r) {
362 alert("Failed to create user");
367 function signup_cancel() {
372 function newer_page() {
374 currentPager.newerPage();
377 function older_page() {
379 currentPager.olderPage();
382 var resizePostContentTimeout = null;
383 function resizePostContent() {
384 if (resizePostContentTimeout)
385 clearTimeout(resizePostContentTimeout);
386 resizePostContentTimeout = setTimeout(function() {
387 var c = $('post.content');
388 var lines = Math.floor(c.value.length / (100 * (c.clientWidth / 1000))) + 1;
389 var m = c.value.match(/\r?\n/g);
395 c.style.height = (lines * 17) + "pt";
397 resizePostContentTimeout = null;
401 function hashSwitch() {
403 if (m = location.search.match(/^\?post\/([^/]+)\/(.+)/)) {
405 $('post.content').value = '[' + decodeURIComponent(m[1]).replace(']','').replace('[','') + '](' + decodeURIComponent(m[2]) + ')';
406 } else if (m = location.hash.match(/^#(ref|tag)\/(\w+)$/)) {
407 currentPager = new Tag(m[1], m[2]);
409 } else if (m = location.hash.match(/^#(\w+)(:(\d+))?$/)) {
410 if (!currentPager || currentPager.username != m[1])
411 currentPager = new User(m[1]);
413 loginStatus.update();
416 var r = parseInt(m[3]);
417 currentPager.showRecord = r;
418 if (currentPager.recordCache[r]) {
419 currentPager.displayItems();
421 currentPager.loadItems((r >= 49 ? r - 49 : 0), r);
424 currentPager.pageStart = currentPager.itemCount - 1;
425 currentPager.loadItems();
428 $$('[name=section]').each(function(v) { v.update('Welcome') });
432 $('newer_link').hide();
433 $('older_link').hide();
440 function hashCheck() {
441 if (location.hash != lastHash) {
442 lastHash = location.hash;
449 loginStatus = new LoginStatus();
451 lastHash = location.hash;
454 setInterval(hashCheck, 250);
456 document.body.observe('keyup', function(event) {
457 if (event.shiftKey && event.keyCode == '32') {
462 $('post.content').addEventListener('keyup', function(event) {
463 event.stopPropagation();