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first version of Meteord plugin, doesn't work

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This commit is contained in:
Evan Prodromou 2009-07-10 09:57:38 -07:00
parent 7621e0e384
commit cc317b169f
4 changed files with 894 additions and 0 deletions
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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Plugin to do "real time" updates using Comet/Bayeux
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
/**
* Plugin to do realtime updates using Comet
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class MeteorPlugin extends Plugin
{
var $webserver = null;
var $webport = null;
var $controlport = null;
var $controlserver = null;
var $channelbase = null;
var $_socket = null;
function __construct($webserver=null, $webport=4670, $controlport=4671, $controlserver=null, $channelbase='')
{
global $config;
$this->webserver = (empty($webserver)) ? $config['site']['server'] : $webserver;
$this->webport = $webport;
$this->controlport = $controlport;
$this->controlserver = (empty($controlserver)) ? $webserver : $controlserver;
$this->channelbase = $channelbase;
parent::__construct();
}
function onEndShowScripts($action)
{
$timeline = null;
$this->log(LOG_DEBUG, 'got action ' . $action->trimmed('action'));
switch ($action->trimmed('action')) {
case 'public':
$timeline = '/timelines/public';
break;
case 'tag':
$tag = $action->trimmed('tag');
if (!empty($tag)) {
$timeline = '/timelines/tag/'.$tag;
} else {
return true;
}
break;
default:
return true;
}
$action->element('script', array('type' => 'text/javascript',
'src' => 'http://'.$this->webserver.(($this->webport == 80) ? '':':'.$this->webport).'/meteor.js'),
' ');
foreach (array('meteorupdater.js', 'json2.js') as $script) {
$action->element('script', array('type' => 'text/javascript',
'src' => common_path('plugins/Meteor/'.$script)),
' ');
}
$user = common_current_user();
if (!empty($user->id)) {
$user_id = $user->id;
} else {
$user_id = 0;
}
$replyurl = common_local_url('newnotice');
$favorurl = common_local_url('favor');
// FIXME: need to find a better way to pass this pattern in
$deleteurl = common_local_url('deletenotice',
array('notice' => '0000000000'));
$action->elementStart('script', array('type' => 'text/javascript'));
$action->raw("$(document).ready(function() { MeteorUpdater.init(\"$this->webserver\", $this->webport, \"{$this->channelbase}$timeline\", $user_id, \"$replyurl\", \"$favorurl\", \"$deleteurl\"); });");
$action->elementEnd('script');
return true;
}
function onEndNoticeSave($notice)
{
$this->log(LOG_INFO, "Called for save notice.");
$timelines = array();
// XXX: Add other timelines; this is just for the public one
if ($notice->is_local ||
($notice->is_local == 0 && !common_config('public', 'localonly'))) {
$timelines[] = '/timelines/public';
}
$tags = $this->getNoticeTags($notice);
if (!empty($tags)) {
foreach ($tags as $tag) {
$timelines[] = '/timelines/tag/' . $tag;
}
}
if (count($timelines) > 0) {
$json = json_encode($this->noticeAsJson($notice));
$this->log(LOG_DEBUG, $json);
$this->_connect();
foreach ($timelines as $timeline) {
$this->_addMessage($timeline, $json);
}
$this->_disconnect();
}
return true;
}
function _connect()
{
// May throw an exception.
$this->_socket = @stream_socket_client("tcp://{$this->controlserver}:{$this->controlport}",
$errno, $errstr, $timeout, $conflag);
if (!$this->_socket) {
throw new Exception("Couldn't connect to {$this->controlserver} on {$this->controlport}");
}
}
function _addMessage($channel, $message)
{
$cmd = "ADDMESSAGE {$this->channelbase}$channel $message\n";
$this->log(LOG_DEBUG, $cmd);
@fwrite($this->_socket, "COMMAND: $cmd");
$result = fgets($this->_socket);
$this->log(LOG_DEBUG, "RESULT: $result");
// TODO: parse and deal with result
}
function _disconnect()
{
@fclose($this->_socket);
}
function noticeAsJson($notice)
{
// FIXME: this code should be abstracted to a neutral third
// party, like Notice::asJson(). I'm not sure of the ethics
// of refactoring from within a plugin, so I'm just abusing
// the TwitterApiAction method. Don't do this unless you're me!
require_once(INSTALLDIR.'/lib/twitterapi.php');
$act = new TwitterApiAction('/dev/null');
$arr = $act->twitter_status_array($notice, true);
$arr['url'] = $notice->bestUrl();
$arr['html'] = htmlspecialchars($notice->rendered);
$arr['source'] = htmlspecialchars($arr['source']);
if (!empty($notice->reply_to)) {
$reply_to = Notice::staticGet('id', $notice->reply_to);
if (!empty($reply_to)) {
$arr['in_reply_to_status_url'] = $reply_to->bestUrl();
}
$reply_to = null;
}
$profile = $notice->getProfile();
$arr['user']['profile_url'] = $profile->profileurl;
return $arr;
}
function getNoticeTags($notice)
{
$tags = null;
$nt = new Notice_tag();
$nt->notice_id = $notice->id;
if ($nt->find()) {
$tags = array();
while ($nt->fetch()) {
$tags[] = $nt->tag;
}
}
$nt->free();
$nt = null;
return $tags;
}
// Push this up to Plugin
function log($level, $msg)
{
common_log($level, get_class($this) . ': '.$msg);
}
}

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This is a plugin to automatically load notices in the browser no
matter who creates them -- the kind of thing we see with
search.twitter.com, rejaw.com, or FriendFeed's "real time" news.
NOTE: this is an insecure version; don't roll it out on a production
server.
It requires a cometd server. I've only had the cometd-java server work
correctly; something's wiggy with the Twisted-based server.
After you have a cometd server installed, just add this code to your
config.php:
require_once(INSTALLDIR.'/plugins/Comet/CometPlugin.php');
$cp = new CometPlugin('http://example.com:8080/cometd/');
Change 'example.com:8080' to the name and port of the server you
installed cometd on.
TODO:
* Needs to be tested with Ajax submission. Probably messes everything
up.
* Add more timelines: personal inbox and tags would be great.
* Add security. In particular, only let the PHP code publish notices
to the cometd server. Currently, it doesn't try to authenticate.

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/*
http://www.JSON.org/json2.js
2009-04-16
Public Domain.
NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
See http://www.JSON.org/js.html
This file creates a global JSON object containing two methods: stringify
and parse.
JSON.stringify(value, replacer, space)
value any JavaScript value, usually an object or array.
replacer an optional parameter that determines how object
values are stringified for objects. It can be a
function or an array of strings.
space an optional parameter that specifies the indentation
of nested structures. If it is omitted, the text will
be packed without extra whitespace. If it is a number,
it will specify the number of spaces to indent at each
level. If it is a string (such as '\t' or '&nbsp;'),
it contains the characters used to indent at each level.
This method produces a JSON text from a JavaScript value.
When an object value is found, if the object contains a toJSON
method, its toJSON method will be called and the result will be
stringified. A toJSON method does not serialize: it returns the
value represented by the name/value pair that should be serialized,
or undefined if nothing should be serialized. The toJSON method
will be passed the key associated with the value, and this will be
bound to the object holding the key.
For example, this would serialize Dates as ISO strings.
Date.prototype.toJSON = function (key) {
function f(n) {
// Format integers to have at least two digits.
return n < 10 ? '0' + n : n;
}
return this.getUTCFullYear() + '-' +
f(this.getUTCMonth() + 1) + '-' +
f(this.getUTCDate()) + 'T' +
f(this.getUTCHours()) + ':' +
f(this.getUTCMinutes()) + ':' +
f(this.getUTCSeconds()) + 'Z';
};
You can provide an optional replacer method. It will be passed the
key and value of each member, with this bound to the containing
object. The value that is returned from your method will be
serialized. If your method returns undefined, then the member will
be excluded from the serialization.
If the replacer parameter is an array of strings, then it will be
used to select the members to be serialized. It filters the results
such that only members with keys listed in the replacer array are
stringified.
Values that do not have JSON representations, such as undefined or
functions, will not be serialized. Such values in objects will be
dropped; in arrays they will be replaced with null. You can use
a replacer function to replace those with JSON values.
JSON.stringify(undefined) returns undefined.
The optional space parameter produces a stringification of the
value that is filled with line breaks and indentation to make it
easier to read.
If the space parameter is a non-empty string, then that string will
be used for indentation. If the space parameter is a number, then
the indentation will be that many spaces.
Example:
text = JSON.stringify(['e', {pluribus: 'unum'}]);
// text is '["e",{"pluribus":"unum"}]'
text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
// text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
text = JSON.stringify([new Date()], function (key, value) {
return this[key] instanceof Date ?
'Date(' + this[key] + ')' : value;
});
// text is '["Date(---current time---)"]'
JSON.parse(text, reviver)
This method parses a JSON text to produce an object or array.
It can throw a SyntaxError exception.
The optional reviver parameter is a function that can filter and
transform the results. It receives each of the keys and values,
and its return value is used instead of the original value.
If it returns what it received, then the structure is not modified.
If it returns undefined then the member is deleted.
Example:
// Parse the text. Values that look like ISO date strings will
// be converted to Date objects.
myData = JSON.parse(text, function (key, value) {
var a;
if (typeof value === 'string') {
a =
/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
if (a) {
return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
+a[5], +a[6]));
}
}
return value;
});
myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
var d;
if (typeof value === 'string' &&
value.slice(0, 5) === 'Date(' &&
value.slice(-1) === ')') {
d = new Date(value.slice(5, -1));
if (d) {
return d;
}
}
return value;
});
This is a reference implementation. You are free to copy, modify, or
redistribute.
This code should be minified before deployment.
See http://javascript.crockford.com/jsmin.html
USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
NOT CONTROL.
*/
/*jslint evil: true */
/*global JSON */
/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
lastIndex, length, parse, prototype, push, replace, slice, stringify,
test, toJSON, toString, valueOf
*/
// Create a JSON object only if one does not already exist. We create the
// methods in a closure to avoid creating global variables.
if (!this.JSON) {
JSON = {};
}
(function () {
function f(n) {
// Format integers to have at least two digits.
return n < 10 ? '0' + n : n;
}
if (typeof Date.prototype.toJSON !== 'function') {
Date.prototype.toJSON = function (key) {
return this.getUTCFullYear() + '-' +
f(this.getUTCMonth() + 1) + '-' +
f(this.getUTCDate()) + 'T' +
f(this.getUTCHours()) + ':' +
f(this.getUTCMinutes()) + ':' +
f(this.getUTCSeconds()) + 'Z';
};
String.prototype.toJSON =
Number.prototype.toJSON =
Boolean.prototype.toJSON = function (key) {
return this.valueOf();
};
}
var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
gap,
indent,
meta = { // table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"' : '\\"',
'\\': '\\\\'
},
rep;
function quote(string) {
// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.
escapable.lastIndex = 0;
return escapable.test(string) ?
'"' + string.replace(escapable, function (a) {
var c = meta[a];
return typeof c === 'string' ? c :
'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"' :
'"' + string + '"';
}
function str(key, holder) {
// Produce a string from holder[key].
var i, // The loop counter.
k, // The member key.
v, // The member value.
length,
mind = gap,
partial,
value = holder[key];
// If the value has a toJSON method, call it to obtain a replacement value.
if (value && typeof value === 'object' &&
typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.
if (typeof rep === 'function') {
value = rep.call(holder, key, value);
}
// What happens next depends on the value's type.
switch (typeof value) {
case 'string':
return quote(value);
case 'number':
// JSON numbers must be finite. Encode non-finite numbers as null.
return isFinite(value) ? String(value) : 'null';
case 'boolean':
case 'null':
// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.
return String(value);
// If the type is 'object', we might be dealing with an object or an array or
// null.
case 'object':
// Due to a specification blunder in ECMAScript, typeof null is 'object',
// so watch out for that case.
if (!value) {
return 'null';
}
// Make an array to hold the partial results of stringifying this object value.
gap += indent;
partial = [];
// Is the value an array?
if (Object.prototype.toString.apply(value) === '[object Array]') {
// The value is an array. Stringify every element. Use null as a placeholder
// for non-JSON values.
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = str(i, value) || 'null';
}
// Join all of the elements together, separated with commas, and wrap them in
// brackets.
v = partial.length === 0 ? '[]' :
gap ? '[\n' + gap +
partial.join(',\n' + gap) + '\n' +
mind + ']' :
'[' + partial.join(',') + ']';
gap = mind;
return v;
}
// If the replacer is an array, use it to select the members to be stringified.
if (rep && typeof rep === 'object') {
length = rep.length;
for (i = 0; i < length; i += 1) {
k = rep[i];
if (typeof k === 'string') {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
} else {
// Otherwise, iterate through all of the keys in the object.
for (k in value) {
if (Object.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
}
// Join all of the member texts together, separated with commas,
// and wrap them in braces.
v = partial.length === 0 ? '{}' :
gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
mind + '}' : '{' + partial.join(',') + '}';
gap = mind;
return v;
}
}
// If the JSON object does not yet have a stringify method, give it one.
if (typeof JSON.stringify !== 'function') {
JSON.stringify = function (value, replacer, space) {
// The stringify method takes a value and an optional replacer, and an optional
// space parameter, and returns a JSON text. The replacer can be a function
// that can replace values, or an array of strings that will select the keys.
// A default replacer method can be provided. Use of the space parameter can
// produce text that is more easily readable.
var i;
gap = '';
indent = '';
// If the space parameter is a number, make an indent string containing that
// many spaces.
if (typeof space === 'number') {
for (i = 0; i < space; i += 1) {
indent += ' ';
}
// If the space parameter is a string, it will be used as the indent string.
} else if (typeof space === 'string') {
indent = space;
}
// If there is a replacer, it must be a function or an array.
// Otherwise, throw an error.
rep = replacer;
if (replacer && typeof replacer !== 'function' &&
(typeof replacer !== 'object' ||
typeof replacer.length !== 'number')) {
throw new Error('JSON.stringify');
}
// Make a fake root object containing our value under the key of ''.
// Return the result of stringifying the value.
return str('', {'': value});
};
}
// If the JSON object does not yet have a parse method, give it one.
if (typeof JSON.parse !== 'function') {
JSON.parse = function (text, reviver) {
// The parse method takes a text and an optional reviver function, and returns
// a JavaScript value if the text is a valid JSON text.
var j;
function walk(holder, key) {
// The walk method is used to recursively walk the resulting structure so
// that modifications can be made.
var k, v, value = holder[key];
if (value && typeof value === 'object') {
for (k in value) {
if (Object.hasOwnProperty.call(value, k)) {
v = walk(value, k);
if (v !== undefined) {
value[k] = v;
} else {
delete value[k];
}
}
}
}
return reviver.call(holder, key, value);
}
// Parsing happens in four stages. In the first stage, we replace certain
// Unicode characters with escape sequences. JavaScript handles many characters
// incorrectly, either silently deleting them, or treating them as line endings.
cx.lastIndex = 0;
if (cx.test(text)) {
text = text.replace(cx, function (a) {
return '\\u' +
('0000' + a.charCodeAt(0).toString(16)).slice(-4);
});
}
// In the second stage, we run the text against regular expressions that look
// for non-JSON patterns. We are especially concerned with '()' and 'new'
// because they can cause invocation, and '=' because it can cause mutation.
// But just to be safe, we want to reject all unexpected forms.
// We split the second stage into 4 regexp operations in order to work around
// crippling inefficiencies in IE's and Safari's regexp engines. First we
// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
// replace all simple value tokens with ']' characters. Third, we delete all
// open brackets that follow a colon or comma or that begin the text. Finally,
// we look to see that the remaining characters are only whitespace or ']' or
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
if (/^[\],:{}\s]*$/.
test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
// In the third stage we use the eval function to compile the text into a
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
// in JavaScript: it can begin a block or an object literal. We wrap the text
// in parens to eliminate the ambiguity.
j = eval('(' + text + ')');
// In the optional fourth stage, we recursively walk the new structure, passing
// each name/value pair to a reviver function for possible transformation.
return typeof reviver === 'function' ?
walk({'': j}, '') : j;
}
// If the text is not JSON parseable, then a SyntaxError is thrown.
throw new SyntaxError('JSON.parse');
};
}
}());

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// update the local timeline from a Meteor server
//
var MeteorUpdater = function()
{
var _server;
var _port;
var _timeline;
var _userid;
var _replyurl;
var _favorurl;
var _deleteurl;
return {
init: function(server, port, timeline, userid, replyurl, favorurl, deleteurl)
{
_userid = userid;
_replyurl = replyurl;
_favorurl = favorurl;
_deleteurl = deleteurl;
Meteor.callbacks["process"] = function(data) {
receive(JSON.parse(data));
};
Meteor.host = server;
Meteor.port = port;
Meteor.joinChannel(timeline, 0);
Meteor.connect();
}
}
function receive(message)
{
id = message.data.id;
// Don't add it if it already exists
if ($("#notice-"+id).length > 0) {
return;
}
var noticeItem = makeNoticeItem(message.data);
$("#notices_primary .notices").prepend(noticeItem, true);
$("#notices_primary .notice:first").css({display:"none"});
$("#notices_primary .notice:first").fadeIn(1000);
NoticeHover();
NoticeReply();
}
function makeNoticeItem(data)
{
user = data['user'];
html = data['html'].replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&quot;/g,'"');
source = data['source'].replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&quot;/g,'"');
ni = "<li class=\"hentry notice\" id=\"notice-"+data['id']+"\">"+
"<div class=\"entry-title\">"+
"<span class=\"vcard author\">"+
"<a href=\""+user['profile_url']+"\" class=\"url\">"+
"<img src=\""+user['profile_image_url']+"\" class=\"avatar photo\" width=\"48\" height=\"48\" alt=\""+user['screen_name']+"\"/>"+
"<span class=\"nickname fn\">"+user['screen_name']+"</span>"+
"</a>"+
"</span>"+
"<p class=\"entry-content\">"+html+"</p>"+
"</div>"+
"<div class=\"entry-content\">"+
"<dl class=\"timestamp\">"+
"<dt>Published</dt>"+
"<dd>"+
"<a rel=\"bookmark\" href=\""+data['url']+"\" >"+
"<abbr class=\"published\" title=\""+data['created_at']+"\">a few seconds ago</abbr>"+
"</a> "+
"</dd>"+
"</dl>"+
"<dl class=\"device\">"+
"<dt>From</dt> "+
"<dd>"+source+"</dd>"+ // may have a link, I think
"</dl>";
if (data['in_reply_to_status_id']) {
ni = ni+" <dl class=\"response\">"+
"<dt>To</dt>"+
"<dd>"+
"<a href=\""+data['in_reply_to_status_url']+"\" rel=\"in-reply-to\">in reply to</a>"+
"</dd>"+
"</dl>";
}
ni = ni+"</div>"+
"<div class=\"notice-options\">";
if (_userid != 0) {
var input = $("form#form_notice fieldset input#token");
var session_key = input.val();
ni = ni+makeFavoriteForm(data['id'], session_key);
ni = ni+makeReplyLink(data['id'], data['user']['screen_name']);
if (_userid == data['user']['id']) {
ni = ni+makeDeleteLink(data['id']);
}
}
ni = ni+"</div>"+
"</li>";
return ni;
}
function makeFavoriteForm(id, session_key)
{
var ff;
ff = "<form id=\"favor-"+id+"\" class=\"form_favor\" method=\"post\" action=\""+_favorurl+"\">"+
"<fieldset>"+
"<legend>Favor this notice</legend>"+ // XXX: i18n
"<input name=\"token-"+id+"\" type=\"hidden\" id=\"token-"+id+"\" value=\""+session_key+"\"/>"+
"<input name=\"notice\" type=\"hidden\" id=\"notice-n"+id+"\" value=\""+id+"\"/>"+
"<input type=\"submit\" id=\"favor-submit-"+id+"\" name=\"favor-submit-"+id+"\" class=\"submit\" value=\"Favor\" title=\"Favor this notice\"/>"+
"</fieldset>"+
"</form>";
return ff;
}
function makeReplyLink(id, nickname)
{
var rl;
rl = "<dl class=\"notice_reply\">"+
"<dt>Reply to this notice</dt>"+
"<dd>"+
"<a href=\""+_replyurl+"?replyto="+nickname+"\" title=\"Reply to this notice\">Reply <span class=\"notice_id\">"+id+"</span>"+
"</a>"+
"</dd>"+
"</dl>";
return rl;
}
function makeDeleteLink(id)
{
var dl, delurl;
delurl = _deleteurl.replace("0000000000", id);
dl = "<dl class=\"notice_delete\">"+
"<dt>Delete this notice</dt>"+
"<dd>"+
"<a href=\""+delurl+"\" title=\"Delete this notice\">Delete</a>"+
"</dd>"+
"</dl>";
return dl;
}
}();