From c94eb1a1cc386d58980357c63300e3479487f475 Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 9 Jul 2008 16:59:00 +0000
Subject: Introducing the submenu

git-svn-id: https://code.elgg.org/elgg/trunk@1371 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/elgglib.php                           | 51 +++++++++++++++++++++++-
 views/default/canvas_header/submenu_template.php | 10 +++++
 views/default/page_elements/title.php            |  7 +++-
 3 files changed, 64 insertions(+), 4 deletions(-)
 create mode 100644 views/default/canvas_header/submenu_template.php

diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 722591ab4..d0ecc8bf4 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -481,10 +481,57 @@
 	 */
 		function elgg_view_title($title) {
 			
-			return elgg_view('page_elements/title', array('title' => $title));
+			$title = elgg_view('page_elements/title', array('title' => $title));
+			
+			return $title;
+			
+		}
+		
+	/**
+	 * Adds an item to the submenu
+	 *
+	 * @param string $label The human-readable label
+	 * @param string $link The URL of the submenu item
+	 */
+		function add_submenu_item($label, $link) {
+			
+			global $CONFIG;
+			add_to_register('submenu',$label,$link);
+			
+		}
+		
+	/**
+	 * Gets a formatted list of submenu items
+	 *
+	 * @return string List of items
+	 */
+		function get_submenu() {
+			
+			$submenu = "";
+			
+			if ($submenu_register = get_register('submenu')) {
+				foreach($submenu_register as $item) {
+					
+					if (substr_count($item->value, $item->value)) {
+						$selected = true;
+					} else {
+						$selected = false;
+					}
+					$submenu .= elgg_view('canvas_header/submenu_template',
+									array(
+											'href' => $item->value, 
+											'label' => $item->name,
+											'selected' => $selected,
+										));
+					
+				}
+			}
+			
+			return $submenu;
 			
 		}
 		
+		
 	/**
 	 * Automatically views comments and a comment form relating to the given entity
 	 *
@@ -778,7 +825,7 @@
 			
 			global $CONFIG;
 			
-			if (empty($register_name) || empty($subregister_name) || empty($children_array))
+			if (empty($register_name) || empty($subregister_name))
 				return false;
 			
 			if (!isset($CONFIG->registers))
diff --git a/views/default/canvas_header/submenu_template.php b/views/default/canvas_header/submenu_template.php
new file mode 100644
index 000000000..ff43ac153
--- /dev/null
+++ b/views/default/canvas_header/submenu_template.php
@@ -0,0 +1,10 @@
+<?php
+
+	if (isset($vars['selected']) && $vars['selected'] == true) {
+		$selected = "class=\"selected\"";
+	} else {
+		$selected = "";
+	}
+
+?>
+<li <?php echo $selected; ?>><a href="<?php echo $vars['href']; ?>"><?php echo $vars['label']; ?></a></li>
\ No newline at end of file
diff --git a/views/default/page_elements/title.php b/views/default/page_elements/title.php
index aa1946514..aac3babae 100644
--- a/views/default/page_elements/title.php
+++ b/views/default/page_elements/title.php
@@ -16,19 +16,22 @@
 	$page_owner = page_owner();
 	$page_owner_user = get_user($page_owner);
 
+	$submenu = get_submenu(); // elgg_view('canvas_header/submenu');
+	if (!empty($submenu)) $submenu = "<ul>" . $submenu . "</ul>";
+	
 	if($page_owner && $page_owner_user->guid != $_SESSION['user']->getGUID()) {
 		$info = "<h2>" . $vars['title'] . "</h2>";
 		$icon = elgg_view("profile/icon",array('entity' => $page_owner_user, 'size' => 'tiny'));
 		$display = "<div id=\"canvas_header\">";
 		$display .= "<div id=\"canvas_header_icon\">" . $icon . "</div>";
 		$display .= "<div id=\"canvas_header_content\">" . $info . "</div>";
-		$display .= "<div id=\"canvas_header_submenu\">" . elgg_view("canvas_header/submenu") . "</div>"; // plugins can extend this to add menu options
+		$display .= "<div id=\"canvas_header_submenu\">" . $submenu . "</div>"; // plugins can extend this to add menu options
 		$display .= "</div>";
 	} else {
 		$info = "<h2>" . $vars['title'] . "</h2>";
 		$display = "<div id=\"canvas_header\">";
 		$display .= "<div id=\"canvas_header_content\">" . $info . "</div>";
-		$display .= "<div id=\"canvas_header_submenu\">" . elgg_view("canvas_header/submenu") . "</div>"; // plugins can extend this to add menu options
+		$display .= "<div id=\"canvas_header_submenu\">" . $submenu . "</div>"; // plugins can extend this to add menu options
 		$display .= "</div>";
 	}
 
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