* @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
exit(1);
}
+// XXX: not sure how to do paging yet,
+// so set a 60-notice limit
+
+require_once INSTALLDIR.'/lib/noticelist.php';
+
/**
* Conversation tree in the browser
*
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*/
+
class ConversationAction extends Action
{
- var $id = null;
- var $notices = null;
+ var $id = null;
var $page = null;
/**
{
parent::prepare($args);
$this->id = $this->trimmed('id');
- if (!$this->id) {
+ if (empty($this->id)) {
return false;
}
- $this->notices = $this->getNotices();
+ $this->id = $this->id+0;
$this->page = $this->trimmed('page');
if (empty($this->page)) {
$this->page = 1;
}
/**
- * Get notices
+ * Handle the action
*
- * @param integer $limit max number of notices to return
+ * @param array $args Web and URL arguments
*
- * @return array notices
+ * @return void
*/
- function getNotices($limit=0)
+ function handle($args)
{
- $qry = 'SELECT notice.*, '.
- 'FROM notice WHERE conversation = %d '.
- 'ORDER BY created ';
+ parent::handle($args);
+ $this->showPage();
+ }
- $offset = 0;
- $limit = NOTICES_PER_PAGE + 1;
+ /**
+ * Returns the page title
+ *
+ * @return string page title
+ */
- if (common_config('db', 'type') == 'pgsql') {
- $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
- } else {
- $qry .= ' LIMIT ' . $offset . ', ' . $limit;
- }
+ function title()
+ {
+ return _("Conversation");
+ }
- return Notice::getStream(sprintf($qry, $this->id),
- 'notice:conversation:'.$this->id,
- $offset, $limit);
+ /**
+ * Show content.
+ *
+ * Display a hierarchical unordered list in the content area.
+ * Uses ConversationTree to do most of the heavy lifting.
+ *
+ * @return void
+ */
+
+ function showContent()
+ {
+ $notices = Notice::conversationStream($this->id, null, null);
+
+ $ct = new ConversationTree($notices, $this);
+
+ $cnt = $ct->show();
}
- function handle($args)
+ function isReadOnly()
{
- $this->showPage();
+ return true;
}
+}
- function title()
+/**
+ * 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()
{
- return _("Conversation");
+ $cnt = $this->_buildTree();
+
+ $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;
}
- function showContent()
+ function _buildTree()
{
- // FIXME this needs to be a tree, not a list
+ $cnt = 0;
- $nl = new NoticeList($this->notices, $this);
+ $this->tree = array();
+ $this->table = array();
- $cnt = $nl->show();
+ while ($this->notice->fetch()) {
- $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
- $this->page, 'conversation', array('id' => $this->id));
+ $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);
+ }
+ }
+
+ 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-' . $id));
+
+ $item = $this->newListItem($notice);
+ $item->show();
+
+ if (array_key_exists($id, $this->tree)) {
+ $children = $this->tree[$id];
+
+ $this->out->elementStart('ol', array('class' => 'notices'));
+
+ sort($children);
+
+ 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;
+ }
+}
projects / quix0rs-gnu-social.git / blobdiff