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show conversation as a hierarchical list

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This commit is contained in:
Evan Prodromou 2009-05-21 11:43:09 -04:00
parent b58edbcc4e
commit 62711ae2ba
1 changed files with 116 additions and 17 deletions
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133
actions/conversation.php
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@ -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
@ -45,7 +45,7 @@ require_once(INSTALLDIR.'/lib/noticelist.php');
class ConversationAction extends Action
{
var $id = null;
var $id = null;
var $page = null;
/**
@ -70,24 +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);
@ -106,24 +129,47 @@ 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 $tree = null;
var $table = null;
/**
* Show the tree of notices
*
* @return void
*/
function show()
{
$cnt = 0;
$this->tree = array();
$table = array();
$this->tree = array();
$this->table = array();
while ($this->notice->fetch()) {
$cnt++;
$this->table[$this->notice->id] = clone($this->notice);
$id = $this->notice->id;
$notice = clone($this->notice);
$this->table[$id] = $notice;
if (is_null($notice->reply_to)) {
// We assume no notice has -1 ID
$this->tree[-1] = array($notice->id);
$this->tree['root'] = array($notice->id);
} else if (array_key_exists($notice->reply_to, $this->tree)) {
$this->tree[$notice->reply_to][] = $notice->id;
} else {
@ -135,8 +181,9 @@ class ConversationTree extends NoticeList
$this->out->element('h2', null, _('Notices'));
$this->out->elementStart('ul', array('class' => 'notices'));
if (array_key_exists(-1, $this->tree)) {
$this->showNoticePlus($this->tree[-1][0]);
if (array_key_exists('root', $this->tree)) {
$rootid = $this->tree['root'][0];
$this->showNoticePlus($rootid);
}
$this->out->elementEnd('ul');
@ -145,12 +192,18 @@ class ConversationTree extends NoticeList
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];
print_r($notice);
// We take responsibility for doing the li
$this->out->elementStart('li', array('class' => 'hentry notice',
@ -174,26 +227,72 @@ class ConversationTree extends NoticeList
$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()
{
// skip; ConversationTree draws the list
return;
}
/**
* finish the notice
*
* The default closes the <li>; we skip, since the ConversationTree
* takes care of that.
*
* @return void
*/
function showEnd()
{
// skip; ConversationTree draws the list
return;
}
/**
* show link to notice conversation page
*
* Since we're only used on the conversation page, we skip this
*
* @return void
*/
function showContext()
{
// skip; this _is_ the context!
return;
}
}