diff options
Diffstat (limited to 'actions/conversation.php')
| -rw-r--r-- | actions/conversation.php | 203 |
1 files changed, 197 insertions, 6 deletions
diff --git a/actions/conversation.php b/actions/conversation.php index 05cfb76e3..0d7cb9a87 100644 --- a/actions/conversation.php +++ b/actions/conversation.php @@ -11,7 +11,7 @@ * @link http://laconi.ca/ * * Laconica - a distributed open-source microblogging tool - * Copyright (C) 2008, Controlez-Vous, Inc. + * Copyright (C) 2009, Control Yourself, Inc. * * 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 @@ -31,7 +31,7 @@ if (!defined('LACONICA')) { exit(1); } -require_once(INSTALLDIR.'/lib/noticelist.php'); +require_once INSTALLDIR.'/lib/noticelist.php'; /** * Conversation tree in the browser @@ -42,9 +42,10 @@ require_once(INSTALLDIR.'/lib/noticelist.php'); * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 * @link http://laconi.ca/ */ + class ConversationAction extends Action { - var $id = null; + var $id = null; var $page = null; /** @@ -69,24 +70,47 @@ class ConversationAction extends Action return true; } + /** + * Handle the action + * + * @param array $args Web and URL arguments + * + * @return void + */ + function handle($args) { parent::handle($args); $this->showPage(); } + /** + * Returns the page title + * + * @return string page title + */ + function title() { return _("Conversation"); } + /** + * Show content. + * + * Display a hierarchical unordered list in the content area. + * Uses ConversationTree to do most of the heavy lifting. + * + * @return void + */ + function showContent() { // FIXME this needs to be a tree, not a list $qry = 'SELECT * FROM notice WHERE conversation = %s '; - $offset = ($this->page-1)*NOTICES_PER_PAGE; + $offset = ($this->page-1) * NOTICES_PER_PAGE; $limit = NOTICES_PER_PAGE + 1; $txt = sprintf($qry, $this->id); @@ -95,9 +119,9 @@ class ConversationAction extends Action 'notice:conversation:'.$this->id, $offset, $limit); - $nl = new NoticeList($notices, $this); + $ct = new ConversationTree($notices, $this); - $cnt = $nl->show(); + $cnt = $ct->show(); $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE, $this->page, 'conversation', array('id' => $this->id)); @@ -105,3 +129,170 @@ class ConversationAction extends Action } +/** + * Conversation tree + * + * The widget class for displaying a hierarchical list of notices. + * + * @category Widget + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://laconi.ca/ + */ + +class ConversationTree extends NoticeList +{ + var $tree = null; + var $table = null; + + /** + * Show the tree of notices + * + * @return void + */ + + function show() + { + $cnt = 0; + + $this->tree = array(); + $this->table = array(); + + while ($this->notice->fetch()) { + + $cnt++; + + $id = $this->notice->id; + $notice = clone($this->notice); + + $this->table[$id] = $notice; + + if (is_null($notice->reply_to)) { + $this->tree['root'] = array($notice->id); + } else if (array_key_exists($notice->reply_to, $this->tree)) { + $this->tree[$notice->reply_to][] = $notice->id; + } else { + $this->tree[$notice->reply_to] = array($notice->id); + } + } + + $this->out->elementStart('div', array('id' =>'notices_primary')); + $this->out->element('h2', null, _('Notices')); + $this->out->elementStart('ol', array('class' => 'notices xoxo')); + + if (array_key_exists('root', $this->tree)) { + $rootid = $this->tree['root'][0]; + $this->showNoticePlus($rootid); + } + + $this->out->elementEnd('ol'); + $this->out->elementEnd('div'); + + return $cnt; + } + + /** + * Shows a notice plus its list of children. + * + * @param integer $id ID of the notice to show + * + * @return void + */ + + function showNoticePlus($id) + { + $notice = $this->table[$id]; + + // We take responsibility for doing the li + + $this->out->elementStart('li', array('class' => 'hentry notice', + 'id' => 'notice-' . $this->notice->id)); + + $item = $this->newListItem($notice); + $item->show(); + + if (array_key_exists($id, $this->tree)) { + $children = $this->tree[$id]; + + $this->out->elementStart('ol', array('class' => 'notices')); + + foreach ($children as $child) { + $this->showNoticePlus($child); + } + + $this->out->elementEnd('ol'); + } + + $this->out->elementEnd('li'); + } + + /** + * Override parent class to return our preferred item. + * + * @param Notice $notice Notice to display + * + * @return NoticeListItem a list item to show + */ + + function newListItem($notice) + { + return new ConversationTreeItem($notice, $this->out); + } +} + +/** + * Conversation tree list item + * + * Special class of NoticeListItem for use inside conversation trees. + * + * @category Widget + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://laconi.ca/ + */ + +class ConversationTreeItem extends NoticeListItem +{ + /** + * start a single notice. + * + * The default creates the <li>; we skip, since the ConversationTree + * takes care of that. + * + * @return void + */ + + function showStart() + { + return; + } + + /** + * finish the notice + * + * The default closes the <li>; we skip, since the ConversationTree + * takes care of that. + * + * @return void + */ + + function showEnd() + { + return; + } + + /** + * show link to notice conversation page + * + * Since we're only used on the conversation page, we skip this + * + * @return void + */ + + function showContext() + { + return; + } +} |