From f46b9a78e84dc57b7673691c7297aaf81f6f7b07 Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 18 Jun 2008 15:46:57 +0000
Subject: Added widget handling.

git-svn-id: https://code.elgg.org/elgg/trunk@972 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/widgets.php | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)

(limited to 'engine')

diff --git a/engine/lib/widgets.php b/engine/lib/widgets.php
index 8a7a82e92..5838ef2de 100644
--- a/engine/lib/widgets.php
+++ b/engine/lib/widgets.php
@@ -133,6 +133,9 @@
 					}
 					$widgetorder[$order] = $widget; 
 				}
+				
+				ksort($widgetorder);
+				
 				return $widgetorder;
 																		
 			}
@@ -303,12 +306,90 @@
 			
 		}
 		
+		function reorder_widgets_from_panel($panelstring1, $panelstring2, $context, $owner) {
+			
+			$return = true;
+			
+			$mainwidgets = explode('::',$panelstring1);
+			$sidewidgets = explode('::',$panelstring2);
+			
+			$handlers = array();
+			$guids = array();
+			
+			if (is_array($mainwidgets) && sizeof($mainwidgets) > 0) {
+				foreach($mainwidgets as $widget) {
+					
+					$guid = (int) $widget;
+
+					if ("{$guid}" == "{$widget}") {
+						$guids[1][] = $widget;
+					} else {
+						$handlers[1][] = $widget;
+					}
+					
+				}
+			}
+			if (is_array($sidewidgets) && sizeof($sidewidgets) > 0) {
+				foreach($sidewidgets as $widget) {
+					
+					$guid = (int) $widget;
+
+					if ("{$guid}" == "{$widget}") {
+						$guids[2][] = $widget;
+					} else {
+						$handlers[2][] = $widget;
+					}
+					
+				}
+			}
+			
+			// Reorder existing widgets or delete ones that have vanished
+			foreach (array(1,2) as $column) {
+				if ($dbwidgets = get_widgets($owner,$context,$column)) {
+					
+					foreach($dbwidgets as $dbwidget) {
+						if (in_array($dbwidget->getGUID(),$guids[1]) || in_array($dbwidget->getGUID(),$guids[2])) {
+							if (in_array($dbwidget->getGUID(),$guids[1])) {
+								$pos = array_search($dbwidget->getGUID(),$guids[1]);
+								$col = 1;
+							} else {
+								$pos = array_search($dbwidget->getGUID(),$guids[2]);
+								$col = 2;
+							}
+							$pos = ($pos + 1) * 10;
+							$dbwidget->column = $col;
+							$dbwidget->order = $pos;
+						} else {
+							if (!$dbwidget->delete())
+								$return = false;
+						}
+					}
+					
+				}
+				// Add new ones
+				if (sizeof($guids[$column]) > 0) {
+					foreach($guids[$column] as $key => $guid) {
+						if ($guid == 0) {
+							$pos = ($key + 1) * 10;
+							$handler = $handlers[$column][$key];
+							if (!add_widget($owner,$handler,$context,$pos,$column))
+								$return = false;
+						}
+					}
+				}
+			}
+			
+			return $return;
+			
+		}
+		
 	/**
 	 * Function to initialise widgets functionality on Elgg init
 	 *
 	 */
 		function widgets_init() {
 			
+			register_action('widgets/reorder');
 			register_action('widgets/save');
 			register_action('widgets/add');
 			
-- 
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