From 76dac45ebaf104b312a8527a05424601ca9d520a Mon Sep 17 00:00:00 2001
From: ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Mon, 6 Sep 2010 02:42:09 +0000
Subject: Refs #2220: Pulled most classes / interfaces out of lib files (except
 query.php and exception.php) into "classes" folder.  Replaced inline classes
 with "require_once" statements for now.  Ran unit tests to verify
 functionality before committing.

git-svn-id: http://code.elgg.org/elgg/trunk@6908 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/classes/ElggAnnotation.php | 107 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 engine/classes/ElggAnnotation.php

(limited to 'engine/classes/ElggAnnotation.php')

diff --git a/engine/classes/ElggAnnotation.php b/engine/classes/ElggAnnotation.php
new file mode 100644
index 000000000..fe85ca082
--- /dev/null
+++ b/engine/classes/ElggAnnotation.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ * ElggAnnotation
+ *
+ * An annotation is similar to metadata.
+ * Each entity can have more than one of each type of annotation.
+ *
+ * @package Elgg
+ * @subpackage Core
+ * @author Curverider Ltd <info@elgg.com>
+ */
+class ElggAnnotation extends ElggExtender {
+
+	/**
+	 * Construct a new annotation, optionally from a given id value or db object.
+	 *
+	 * @param mixed $id
+	 */
+	function __construct($id = null) {
+		$this->attributes = array();
+
+		if (!empty($id)) {
+			if ($id instanceof stdClass) {
+				$annotation = $id;
+			} else {
+				$annotation = get_annotation($id);
+			}
+
+			if ($annotation) {
+				$objarray = (array) $annotation;
+
+				foreach($objarray as $key => $value) {
+					$this->attributes[$key] = $value;
+				}
+
+				$this->attributes['type'] = "annotation";
+			}
+		}
+	}
+
+	/**
+	 * Class member get overloading
+	 *
+	 * @param string $name
+	 * @return mixed
+	 */
+	function __get($name) {
+		return $this->get($name);
+	}
+
+	/**
+	 * Class member set overloading
+	 *
+	 * @param string $name
+	 * @param mixed $value
+	 * @return void
+	 */
+	function __set($name, $value) {
+		return $this->set($name, $value);
+	}
+
+	/**
+	 * Save this instance
+	 *
+	 * @return int an object id
+	 */
+	function save() {
+		if ($this->id > 0) {
+			return update_annotation($this->id, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
+		} else {
+			$this->id = create_annotation($this->entity_guid, $this->name, $this->value,
+				$this->value_type, $this->owner_guid, $this->access_id);
+
+			if (!$this->id) {
+				throw new IOException(sprintf(elgg_echo('IOException:UnableToSaveNew'), get_class()));
+			}
+			return $this->id;
+		}
+	}
+
+	/**
+	 * Delete the annotation.
+	 */
+	function delete() {
+		return delete_annotation($this->id);
+	}
+
+	/**
+	 * Get a url for this annotation.
+	 *
+	 * @return string
+	 */
+	public function getURL() {
+		return get_annotation_url($this->id);
+	}
+
+	// SYSTEM LOG INTERFACE ////////////////////////////////////////////////////////////
+
+	/**
+	 * For a given ID, return the object associated with it.
+	 * This is used by the river functionality primarily.
+	 * This is useful for checking access permissions etc on objects.
+	 */
+	public function getObjectFromID($id) {
+		return get_annotation($id);
+	}
+}
\ No newline at end of file
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