Attachments and their list now provide "ajax" view. Also added a few sidebars relating tags and attachments.

1 files changed, 300 insertions, 0 deletions

diff --git a/lib/attachmentlist.php b/lib/attachmentlist.php
new file mode 100644
index 000000000..9485fe3d6
--- /dev/null
+++ b/lib/attachmentlist.php
@@ -0,0 +1,300 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * widget for displaying a list of notice attachments
+ *
+ * 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  UI
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @author    Sarven Capadisli <csarven@controlyourself.ca>
+ * @copyright 2008 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);
+}
+
+/**
+ * widget for displaying a list of notice attachments
+ *
+ * There are a number of actions that display a list of notices, in
+ * reverse chronological order. This widget abstracts out most of the
+ * code for UI for notice lists. It's overridden to hide some
+ * data for e.g. the profile page.
+ *
+ * @category UI
+ * @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/
+ * @see      Notice
+ * @see      StreamAction
+ * @see      NoticeListItem
+ * @see      ProfileNoticeList
+ */
+
+class AttachmentList extends Widget
+{
+    /** the current stream of notices being displayed. */
+
+    var $notice = null;
+
+    /**
+     * constructor
+     *
+     * @param Notice $notice stream of notices from DB_DataObject
+     */
+
+    function __construct($notice, $out=null)
+    {
+        parent::__construct($out);
+        $this->notice = $notice;
+    }
+
+    /**
+     * show the list of notices
+     *
+     * "Uses up" the stream by looping through it. So, probably can't
+     * be called twice on the same list.
+     *
+     * @return int count of notices listed.
+     */
+
+    function show()
+    {
+//        $this->out->elementStart('div', array('id' =>'attachments_primary'));
+        $this->out->elementStart('div', array('id' =>'content'));
+        $this->out->element('h2', null, _('Attachments'));
+        $this->out->elementStart('ul', array('class' => 'attachments'));
+
+        $atts = new File;
+        $att = $atts->getAttachments($this->notice->id);
+        foreach ($att as $n=>$attachment) {
+            $item = $this->newListItem($attachment);
+            $item->show();
+        }
+
+        $this->out->elementEnd('ul');
+        $this->out->elementEnd('div');
+
+        return count($att);
+    }
+
+    /**
+     * returns a new list item for the current notice
+     *
+     * Recipe (factory?) method; overridden by sub-classes to give
+     * a different list item class.
+     *
+     * @param Notice $notice the current notice
+     *
+     * @return NoticeListItem a list item for displaying the notice
+     */
+
+    function newListItem($attachment)
+    {
+        return new AttachmentListItem($attachment, $this->out);
+    }
+}
+
+/**
+ * widget for displaying a single notice
+ *
+ * This widget has the core smarts for showing a single notice: what to display,
+ * where, and under which circumstances. Its key method is show(); this is a recipe
+ * that calls all the other show*() methods to build up a single notice. The
+ * ProfileNoticeListItem subclass, for example, overrides showAuthor() to skip
+ * author info (since that's implicit by the data in the page).
+ *
+ * @category UI
+ * @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/
+ * @see      NoticeList
+ * @see      ProfileNoticeListItem
+ */
+
+class AttachmentListItem extends Widget
+{
+    /** The attachment this item will show. */
+
+    var $attachment = null;
+
+    var $oembed = null;
+
+    /**
+     * constructor
+     *
+     * Also initializes the profile attribute.
+     *
+     * @param Notice $notice The notice we'll display
+     */
+
+    function __construct($attachment, $out=null)
+    {
+        parent::__construct($out);
+        $this->attachment  = $attachment;
+        $this->oembed = File_oembed::staticGet('file_id', $this->attachment->id);
+    }
+
+    function title() {
+        if (empty($this->attachment->title)) {
+            if (empty($this->oembed->title)) {
+                $title = $this->attachment->url;
+            } else {
+                $title = $this->oembed->title;
+            }
+        } else {
+            $title = $this->attachment->title;
+        }
+
+        return $title;
+    }
+
+    function linkTitle() {
+        return 'Our page for ' . $this->title();
+    }
+
+    /**
+     * recipe function for displaying a single notice.
+     *
+     * This uses all the other methods to correctly display a notice. Override
+     * it or one of the others to fine-tune the output.
+     *
+     * @return void
+     */
+
+    function show()
+    {
+        $this->showStart();
+        $this->showNoticeAttachment();
+        $this->showEnd();
+    }
+
+    function linkAttr() {
+        return array('class' => 'attachment', 'href' => common_local_url('attachment', array('attachment' => $this->attachment->id)));
+    }
+
+    function showLink() {
+        $attr = $this->linkAttr();
+        $text = $this->linkTitle();
+        $this->out->elementStart('h4');
+        $this->out->element('a', $attr, $text);
+
+        if ($this->attachment->url !== $this->title())
+            $this->out->element('span', null, " ({$this->attachment->url})");
+
+
+        $this->out->elementEnd('h4');
+    }
+
+    function showNoticeAttachment()
+    {
+        $this->showLink();
+        $this->showRepresentation();
+    }
+
+    function showRepresentation() {
+        $thumbnail = File_thumbnail::staticGet('file_id', $this->attachment->id);
+        if (!empty($thumbnail)) {
+            $this->out->elementStart('a', $this->linkAttr()/*'href' => $this->linkTo()*/);
+            $this->out->element('img', array('alt' => 'nothing to say', 'src' => $thumbnail->url, 'width' => $thumbnail->width, 'height' => $thumbnail->height));
+            $this->out->elementEnd('a');
+        }
+    }
+
+    /**
+     * start a single notice.
+     *
+     * @return void
+     */
+
+    function showStart()
+    {
+        // XXX: RDFa
+        // TODO: add notice_type class e.g., notice_video, notice_image
+        $this->out->elementStart('li');
+    }
+
+    /**
+     * finish the notice
+     *
+     * Close the last elements in the notice list item
+     *
+     * @return void
+     */
+
+    function showEnd()
+    {
+        $this->out->elementEnd('li');
+    }
+}
+
+class Attachment extends AttachmentListItem
+{
+    function show() {
+        $this->showNoticeAttachment();
+    }
+
+    function linkAttr() {
+        return array('class' => 'external', 'href' => $this->attachment->url);
+    }
+
+    function linkTitle() {
+        return 'Direct link to ' . $this->title();
+    }
+
+    function showRepresentation() {
+        if (empty($this->oembed->type)) {
+            if (empty($this->attachment->mimetype)) {
+                $this->out->element('pre', null, 'oh well... not sure how to handle the following: ' . print_r($this->attachment, true));
+            } else {
+                switch ($this->attachment->mimetype) {
+                case 'image/gif':
+                case 'image/png':
+                case 'image/jpg':
+                case 'image/jpeg':
+                    $this->out->element('img', array('src' => $this->attachment->url, 'alt' => 'alt'));
+                    break;
+                }
+            }
+        } else {
+            switch ($this->oembed->type) {
+            case 'rich':
+            case 'video':
+            case 'link':
+                if (!empty($this->oembed->html)) {
+                    $this->out->raw($this->oembed->html);
+                }
+                break;
+
+            case 'photo':
+                $this->out->element('img', array('src' => $this->oembed->url, 'width' => $this->oembed->width, 'height' => $this->oembed->height, 'alt' => 'alt'));
+                break;
+
+            default:
+                $this->out->element('pre', null, 'oh well... not sure how to handle the following oembed: ' . print_r($this->oembed, true));
+            }
+        }
+    }
+}
+