9 files changed, 62 insertions, 15 deletions

diff --git a/CREDITS.txt b/CREDITS.txt
index ee91239..85e71bd 100644
--- a/CREDITS.txt
+++ b/CREDITS.txt
@@ -17,3 +17,5 @@ http://www.openclipart.org/detail/57079/recover-symbol-by-doctormo
 http://www.openclipart.org/detail/147421/home-by-netalloy-147421
 http://www.openclipart.org/detail/107473/folder-inbox-by-anonymous
 http://www.openclipart.org/detail/160369/eshop-by-lbear
+http://www.openclipart.org/detail/110/red-square-error-warning-icon-by-molumen
+http://www.openclipart.org/detail/57745/denied-by-chovynz
diff --git a/images/cancel.orig.png b/images/cancel.orig.png
new file mode 100644
index 0000000..c65dc65
--- /dev/null
+++ b/images/cancel.orig.png
diff --git a/images/cancel.png b/images/cancel.png
new file mode 100644
index 0000000..e6ec59d
--- /dev/null
+++ b/images/cancel.png
diff --git a/images/unavailable.orig.png b/images/unavailable.orig.png
new file mode 100644
index 0000000..945bcfc
--- /dev/null
+++ b/images/unavailable.orig.png
diff --git a/images/unavailable.png b/images/unavailable.png
new file mode 100644
index 0000000..7b4f6d4
--- /dev/null
+++ b/images/unavailable.png
diff --git a/muamba-widget.tpl.php b/muamba-widget.tpl.php
index 3caf614..6923de8 100644
--- a/muamba-widget.tpl.php
+++ b/muamba-widget.tpl.php
@@ -3,27 +3,41 @@
 /**
  * @file
  * Template for displaying the muamba widget.
- *
- * @todo: use $transaction
- *   Show item status: can it be requested?
- *   Is this item already requested?
  */
 
-// Add javascript and CSS files
+// User and path
 $path = drupal_get_path('module', 'muamba');
+global $user;
+
+// Add javascript and CSS files
 drupal_add_js($path  .'/muamba.js');
 drupal_add_css($path .'/muamba.css');
 
-$icon = theme('image',
-  array(
-    'path'  => $path .'/images/basket.png',
-    'alt'   => t('Request item'),
-    'title' => t('Request item'),
-  )
-);
-
 $output  = '<div class="muamba-widget">';
-$output .= l($icon, 'muamba/request/'. $nid, array('html' => TRUE));
+
+if (empty($transaction)) {
+  $output .= theme('muamba_widget_icon', array('status' => MUAMBA_REQUESTED, 'id' => $nid));
+}
+elseif ($transaction['uid'] == $user->uid) {
+  foreach (muamba_actions_available('sent', $transaction['status']) as $action) {
+    $output .= theme('muamba_widget_icon', array('status' => $action, 'id' => $transaction['mid']));
+  }
+}
+elseif ($transaction['owner'] == $user->uid) {
+  foreach (muamba_actions_available('received', $transcation['status']) as $action) {
+    $output .= theme('muamba_widget_icon', array('status' => $action, 'id' => $transaction['mid']));
+  }
+}
+else {
+  $icon = theme('image',
+    array(
+      'path'  => $path .'/images/unavailable.png',
+      'alt'   => t('Item unavailable'),
+      'title' => t('Item unavailable'),
+    )
+  );
+}
+
 $output .= '</div>';
 
 print $output;
diff --git a/muamba.misc.inc b/muamba.misc.inc
index b5c1111..70aa598 100644
--- a/muamba.misc.inc
+++ b/muamba.misc.inc
@@ -76,7 +76,7 @@ function muamba_actions($code = NULL) {
     MUAMBA_LOST      => 'lost',
   );
 
-  if ($code == NULL) {
+  if ($code === NULL) {
     return $status;
   }
 
diff --git a/muamba.module b/muamba.module
index fcd6565..b530bb9 100644
--- a/muamba.module
+++ b/muamba.module
@@ -198,6 +198,13 @@ function muamba_theme($existing, $type, $theme, $path) {
       ),
       'file' => 'muamba.theme.inc',
     ),
+    'muamba_widget_icon' => array(
+      'variables' => array(
+        'status' => MUAMBA_REQUESTED,
+        'id'     => NULL,
+      ),
+      'file' => 'muamba.theme.inc',
+    ),
   );
 }
 
diff --git a/muamba.theme.inc b/muamba.theme.inc
index 4e201f7..a51f6f6 100644
--- a/muamba.theme.inc
+++ b/muamba.theme.inc
@@ -134,3 +134,27 @@ function theme_muamba_recovered_message($transaction = NULL) {
 function theme_muamba_lost_message($transaction = NULL) {
   return t('I declare that my item is lost');
 }
+
+/**
+ * Theme callback.
+ */
+function theme_muamba_widget_icon($variables) {
+  $status = $variables['status'];
+  $id     = $variables['id'];
+  $path   = drupal_get_path('module', 'muamba');
+  $action = muamba_actions($status);
+  $image  = $path .'/images/'. $action .'.png';
+  $title  = ucfirst($action) .' item';
+
+  $icon = theme('image',
+    array(
+      'path'  => $image,
+      'alt'   => t($title),
+      'title' => t($title),
+    )
+  );
+
+  $output = l($icon, 'muamba/'. $action .'/'. $id, array('html' => TRUE));
+
+  return $output;
+}