From 785fb0a08fe74f746367d937be527b7f3f76fb8d Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Wed, 21 Jan 2009 12:19:13 -0500
Subject: A widget for showing a list of groups

---
 lib/grouplist.php | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100644 lib/grouplist.php

(limited to 'lib/grouplist.php')

diff --git a/lib/grouplist.php b/lib/grouplist.php
new file mode 100644
index 000000000..dd10a2753
--- /dev/null
+++ b/lib/grouplist.php
@@ -0,0 +1,186 @@
+<?php
+
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Widget to show a list of groups
+ *
+ * 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  Public
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008-2009 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);
+}
+
+require_once INSTALLDIR.'/lib/widget.php';
+
+define('groupS_PER_PAGE', 20);
+
+/**
+ * Widget to show a list of groups
+ *
+ * @category Public
+ * @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 GroupList extends Widget
+{
+    /** Current group, group query. */
+    var $group = null;
+    /** Owner of this list */
+    var $owner = null;
+    /** Action object using us. */
+    var $action = null;
+
+    function __construct($group, $owner=null, $action=null)
+    {
+        parent::__construct($action);
+
+        $this->group = $group;
+        $this->owner = $owner;
+        $this->action = $action;
+    }
+
+    function show()
+    {
+        $this->out->elementStart('ul', 'groups');
+
+        $cnt = 0;
+
+        while ($this->group->fetch()) {
+            $cnt++;
+            if($cnt > groupS_PER_PAGE) {
+                break;
+            }
+            $this->showgroup();
+        }
+
+        $this->out->elementEnd('ul');
+
+        return $cnt;
+    }
+
+    function showGroup()
+    {
+        $this->out->elementStart('li', array('class' => 'group',
+                                             'id' => 'group-' . $this->group->id));
+
+        $user = common_current_user();
+
+        $this->out->elementStart('div', array('id' => 'group_group',
+                                              'class' => 'vcard'));
+
+        $logo = ($this->group->stream_logo) ?
+          $this->group->stream_logo : User_group::defaultLogo(AVATAR_STREAM_SIZE);
+
+        $this->out->elementStart('a', array('href' => $this->group->homeUrl(),
+                                            'class' => 'url'));
+        $this->out->element('img', array('src' => $logo,
+                                    'class' => 'photo avatar',
+                                    'width' => AVATAR_STREAM_SIZE,
+                                    'height' => AVATAR_STREAM_SIZE,
+                                    'alt' =>
+                                    ($this->group->fullname) ? $this->group->fullname :
+                                    $this->group->nickname));
+        $hasFN = ($this->group->fullname) ? 'nickname' : 'fn nickname';
+        $this->out->elementStart('span', $hasFN);
+        $this->out->raw($this->highlight($this->group->nickname));
+        $this->out->elementEnd('span');
+        $this->out->elementEnd('a');
+
+        if ($this->group->fullname) {
+            $this->out->elementStart('dl', 'group_fn');
+            $this->out->element('dt', null, 'Full name');
+            $this->out->elementStart('dd');
+            $this->out->elementStart('span', 'fn');
+            $this->out->raw($this->highlight($this->group->fullname));
+            $this->out->elementEnd('span');
+            $this->out->elementEnd('dd');
+            $this->out->elementEnd('dl');
+        }
+        if ($this->group->location) {
+            $this->out->elementStart('dl', 'group_location');
+            $this->out->element('dt', null, _('Location'));
+            $this->out->elementStart('dd', 'location');
+            $this->out->raw($this->highlight($this->group->location));
+            $this->out->elementEnd('dd');
+            $this->out->elementEnd('dl');
+        }
+        if ($this->group->homepage) {
+            $this->out->elementStart('dl', 'group_url');
+            $this->out->element('dt', null, _('URL'));
+            $this->out->elementStart('dd');
+            $this->out->elementStart('a', array('href' => $this->group->homepage,
+                                                'class' => 'url'));
+            $this->out->raw($this->highlight($this->group->homepage));
+            $this->out->elementEnd('a');
+            $this->out->elementEnd('dd');
+            $this->out->elementEnd('dl');
+        }
+        if ($this->group->description) {
+            $this->out->elementStart('dl', 'group_note');
+            $this->out->element('dt', null, _('Note'));
+            $this->out->elementStart('dd', 'note');
+            $this->out->raw($this->highlight($this->group->description));
+            $this->out->elementEnd('dd');
+            $this->out->elementEnd('dl');
+        }
+
+        # If we're on a list with an owner (subscriptions or subscribers)...
+
+        if ($user && $user->id == $this->owner->id) {
+            $this->showOwnerControls();
+        }
+
+        $this->out->elementEnd('div');
+
+        if ($user) {
+            # XXX: special-case for user looking at own
+            # subscriptions page
+            if ($user->isMember($this->group)) {
+                $lf = new LeaveForm($this->out, $this->group);
+                $lf->show();
+            } else {
+                $jf = new JoinForm();
+                $jf->show();
+            }
+        }
+
+        $this->out->elementEnd('li');
+    }
+
+    /* Override this in subclasses. */
+
+    function showOwnerControls()
+    {
+        return;
+    }
+
+    function highlight($text)
+    {
+        return htmlspecialchars($text);
+    }
+}
-- 
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