cvs diff: Diffing views
Index: views/signup.views.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/signup/views/signup.views.inc,v
retrieving revision 1.4.2.2
diff -u -p -r1.4.2.2 signup.views.inc
--- views/signup.views.inc	19 Dec 2008 01:00:36 -0000	1.4.2.2
+++ views/signup.views.inc	20 Dec 2008 08:35:26 -0000
@@ -139,6 +139,14 @@ function signup_views_data() {
       ),
   );
 
+  $data['signup']['node_link'] = array(
+    'title' => t('Node: Signup link'),
+    'field' => array(
+      'handler' => 'signup_handler_field_signup_node_link',
+      'help' => t('Link to one of the signup-related tabs on each node.'),
+    ),
+  );
+
   // Define base group for signup_log table.
   $data['signup_log']['table']['group'] = t('Signup');
 
@@ -259,6 +267,9 @@ function signup_views_handlers() {
       'signup_handler_argument_signup_user_uid' => array(
         'parent' => 'views_handler_argument_numeric',
       ),
+      'signup_handler_field_signup_node_link' => array(
+        'parent' => 'views_handler_field_node_link',
+      ),
       'signup_handler_field_signup_send_confirmation' => array(
         'parent' => 'views_handler_field',
       ),
cvs diff: Diffing views/handlers
Index: views/handlers/signup_handler_field_signup_node_link.inc
===================================================================
RCS file: views/handlers/signup_handler_field_signup_node_link.inc
diff -N views/handlers/signup_handler_field_signup_node_link.inc
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ views/handlers/signup_handler_field_signup_node_link.inc	20 Dec 2008 08:35:26 -0000
@@ -0,0 +1,102 @@
+<?php
+// $Id$
+
+/**
+ * Field handler base class to generate signup-related links to a node.
+ *
+ * This class doesn't work on its own, child classes need to implement some of
+ * the methods for this to actually produce valid links.
+ */
+class signup_handler_field_signup_node_link extends views_handler_field_node_link {
+  function construct() {
+    parent::construct();
+    $this->additional_fields['uid'] = array('table' => 'node', 'field' => 'uid');
+  }
+
+  function options_form(&$form, &$form_state) {
+    parent::options_form($form, $form_state);
+    $form['tab'] = array(
+      '#type' => 'select',
+      '#title' => t('Signup tab to link to'),
+      '#options' => array(
+        'signup' => t('Signup current user form'),
+        'list' => t('Signup user list'),
+        'admin' => t('Administer signups'),
+        'add' => t('Form to sign up other users'),
+        'broadcast' => t('Signup broadcast form'),
+      ),
+      '#default_value' => $this->options['tab'],
+    );
+    $form['destination'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Set view as return destination'),
+      '#description' => t('After submitting a form, do you want to be redirected back to this view, or stay at the other page?'),
+      '#default_value' => $this->options['destination'],
+    );
+  }
+
+  function render($values) {
+    $tab = $this->options['tab'];
+    $node = new StdClass();
+    $node->nid = $values->{$this->aliases['nid']};
+    $node->uid = $values->{$this->aliases['uid']};
+
+    // Ensure the current user can access this link for the given node.
+    if (!$this->check_access($tab, $node)) {
+      return;
+    }
+
+    $text = !empty($this->options['text']) ? $this->options['text'] : $this->get_default_link_text($tab);
+    $url = "node/$node->nid/signups/$tab";
+    $link_options = array();
+    if ($tab != 'list' && !empty($this->options['destination'])) {
+      $link_options['query'] = drupal_get_destination();
+    }
+    return l($text, $url, $link_options);
+  }
+
+  function get_default_link_text($tab) {
+    switch ($tab) {
+      case 'signup':
+        return t('signup form');
+
+      case 'list':
+        return t('signup list');
+
+      case 'admin':
+        return t('administer signups');
+
+      case 'add':
+        return t('signup other users');
+
+      case 'broadcast':
+        return t('signup broadcast');
+
+    }
+  }
+
+  function check_access($tab, $node) {
+    global $user;
+    switch ($tab) {
+      case 'signup':
+        return variable_get('signup_form_location', 'node') == 'tab' && user_access('sign up for content');
+
+      case 'list':
+        return variable_get('signup_display_signup_user_list', 'signup') != 'none' && user_access('view all signups');
+
+      case 'admin':
+      case 'add':
+        $admin_all = user_access('administer all signups');
+        $admin_own = user_access('administer signups for own content') && ($node->uid == $user->uid);
+        return ($admin_all || $admin_own);
+
+      case 'broadcast':
+        $email_all = user_access('email all signed up users');
+        $email_own = user_access('email users signed up for own content') && $user->uid == $node->uid;
+        return $email_all || $email_own;
+
+    }
+  }
+
+}
+
cvs diff: Diffing views/plugins