Index: workflow_ng_workflow_ng.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/workflow_ng/workflow_ng/modules/Attic/workflow_ng_workflow_ng.inc,v
retrieving revision 1.1.2.2
diff -u -r1.1.2.2 workflow_ng_workflow_ng.inc
--- workflow_ng_workflow_ng.inc	4 Dec 2007 19:40:42 -0000	1.1.2.2
+++ workflow_ng_workflow_ng.inc	12 Dec 2007 16:51:19 -0000
@@ -51,3 +51,216 @@
   $configurations['config1'] = workflow_ng_configure($configurations['config1'], $conditions, $action);
   return $configurations;
 }
+
+/**
+ * Implementation of hook_action_info()
+ */
+function workflow_ng_action_info() {
+  return array(
+    'workflow_ng_action_custom_php' => array(
+      '#label' => t('Execute custom PHP code'),
+      '#arguments' => array(),
+      '#module' => t('workflow-ng'),
+    ),
+  );
+}
+
+/**
+ * Implementation of hook_condition_info()
+ */
+function workflow_ng_condition_info() {
+  return array(
+    'workflow_ng_condition_custom_php' => array(
+      '#label' => t('Execute custom PHP code'),
+      '#arguments' => array(),
+      '#module' => t('workflow-ng'),
+    ),
+  );
+}
+
+/**
+ * Returns an array of all used PHP arguments in $code
+ * PHP arguments are $name rather than [name:...]
+ * 
+ * @param $code The $code, which will be processed
+ * @param $argument_info The argument definitions we work with
+ * @return The array of names of the used arguments
+ */
+function workflow_ng_custom_php_get_used_php_arguments($code, $argument_info) {
+  $used_args = array();
+  foreach ($argument_info as $name => $argument) {
+    if (strpos($code, '$'. $name) !== FALSE) {
+      $used_args[] = $name;
+    }
+  }
+  return $used_args;
+}
+
+/**
+ * Returns an array containing the values of the desired PHP arguments
+ * @param $used_arguments Array containing names of arguments to fetch (usually from workflow_ng_custom_php_get_used_php_arguments)
+ * @param $arguments The available arguments
+ * @param $log Workflow-NG log
+ * @return Array containing the values for each of the arguments in $used_arguments
+ */
+function workflow_ng_custom_php_get_php_argument_data($used_arguments, &$arguments, &$log) {
+  $argument_data = array();
+  if (is_array($used_arguments)) {
+    foreach($used_arguments as $name) {
+      $data = workflow_ng_element_get_argument($arguments, $name, $log);
+      $argument_data[$name] = $data;
+    }
+  }
+  return $argument_data;
+}
+
+/**
+ * Evalutes the given PHP code, with the given variables defined
+ *
+ * @param $code The PHP code to run
+ * @param $argument_data Array contained variables to be extracted to the code
+ * @return The return value of eval
+ */
+function workflow_ng_custom_php_eval($code, $argument_data) {
+  extract($argument_data);
+  return eval($code);
+}
+
+/**
+ * Run any PHP code as an action
+ */
+function workflow_ng_action_custom_php($settings, &$arguments, &$log) {
+  $php = workflow_ng_token_replace($settings['php'], $settings['used_arguments'], $arguments, $log);
+  $argument_data = workflow_ng_custom_php_get_php_argument_data($settings['used_php_arguments'], $arguments, $log);
+  $status = workflow_ng_custom_php_eval($php .';', $argument_data);
+  
+  return $status;
+}
+
+/**
+ * Run any PHP code as a condition
+ */
+function workflow_ng_condition_custom_php($settings, &$arguments, &$log) {
+  $php = workflow_ng_token_replace($settings['php'], $settings['used_arguments'], $arguments, $log);
+  $argument_data = workflow_ng_custom_php_get_php_argument_data($settings['used_php_arguments'], $arguments, $log);
+  $status = workflow_ng_custom_php_eval($php .';', $argument_data);
+  
+  return $status;
+}
+
+/**
+ * For a given list of available argument, formats them into a nice table.
+ *
+ * @param argument_info An array containing available arguments
+ * @return An HTML table containing the formatting docs.
+ */
+function theme_php_argument_help($argument_info, $allow_saves) {
+  $entity_info = workflow_ng_gather_data('entity_info', FALSE);
+  $headers = array(t('Argument'), t('Type'), t('Description'), );
+  if ($allow_saves) {
+    $headers[] = t('Saveable');
+  }
+  $rows = array();
+  foreach ($argument_info as $name => $argument) {
+    $row = array();
+    $row[] = '$'. $name;
+    $row[] = $argument['#entity'];
+    $row[] = isset($argument['#label']) ? $argument['#label'] : '';
+    if ($allow_saves) {
+      if (isset($entity_info[$argument['#entity']]['#save']) && function_exists($entity_info[$argument['#entity']]['#save'])) {
+        $row[] = (isset($argument['#saved']) && $argument['#saved']) ? t('Yes (Automatic)') : t('Yes');
+      }
+      else {
+        $row[] = t('No');
+      }
+    }
+    $rows[] = $row;
+  }
+
+  $output = theme('table', $headers, $rows, array('class' => 'description'));
+  return $output;
+}
+
+/**
+ * Adds PHP argument help to $form
+ */
+function workflow_ng_custom_php_help(&$form, $argument_info, $allow_saves = TRUE) {
+  if (isset($argument_info) && count($argument_info)) {
+    $form['php_argument_help'] = array(
+      '#type' => 'fieldset',
+      '#title' => t('PHP Arguments'),
+      '#description' => t('You can make use of all available arguments.'),
+      '#collapsible' => TRUE,
+      '#collapsed' => FALSE,
+    );
+    $form['php_argument_help']['content'] = array(
+      '#value' => theme('php_argument_help', $argument_info, $allow_saves),
+    );
+  }
+}
+
+/**
+ * Custom PHP action configuration form
+ */
+function workflow_ng_action_custom_php_form($settings = array(), $argument_info) {
+  $form = array();
+  workflow_ng_custom_php_help($form, $argument_info, TRUE);
+  $form['php'] = array(
+    '#type' => 'textarea',
+    '#rows' => 12,
+    '#title' => t('PHP code'),
+    '#default_value' => $settings['php'],
+    '#description' => t('The code that should be executed. You can use Tokens as variable values (e.g.: print "hello [user:user]";), or use variables themselves (e.g.: drupal_set_message("This is node $node->nid");), or a mixture of the two. To save variables, return an array of variables to save (e.g. return array("node" => $node);)'),
+  );
+  workflow_ng_token_replacement_help($form, $argument_info);
+  return $form;
+}
+
+/**
+ * Custom PHP condition configuration form
+ */
+function workflow_ng_condition_custom_php_form($settings = array(), $argument_info) {
+  $form = array();
+  workflow_ng_custom_php_help($form, $argument_info, FALSE);
+  $form['php'] = array(
+    '#type' => 'textarea',
+    '#rows' => 12,
+    '#title' => t('PHP code'),
+    '#default_value' => $settings['php'],
+    '#description' => t('The code that should be executed. You can use Tokens as variable values (e.g.: return [node:nid] < 3 || [node:nid] > 5), or use variables themselves (e.g.: return $author->name != "bot";), or a mixture of the two. Be sure to always use `return` to indicate the final condition value.'),
+  );
+  workflow_ng_token_replacement_help($form, $argument_info);
+  return $form;
+}
+
+/**
+ * Custom PHP action configuration form submission
+ */
+function workflow_ng_action_custom_php_submit($form_id, $form_values) {
+  return array(
+    'php' => $form_values['php'],
+    'used_arguments' => workflow_ng_token_get_used_arguments($form_values['php'], $form_values['arguments']),
+    'used_php_arguments' => workflow_ng_custom_php_get_used_php_arguments($form_values['php'], $form_values['arguments']),
+  );
+}
+
+/**
+ * Custom PHP condition configuration form validation
+ * Checks for at least one return statement
+ */
+function workflow_ng_condition_custom_php_validate($form_id, $form_values) {
+  if (strpos($form_values['php'], 'return') === FALSE) {
+    form_set_error('php', t('Condition must include a return statement.'));
+  }
+}
+
+/**
+ * Custom PHP condition configuration form submission
+ */
+function workflow_ng_condition_custom_php_submit($form_id, $form_values) {
+  return array(
+    'php' => $form_values['php'],
+    'used_arguments' => workflow_ng_token_get_used_arguments($form_values['php'], $form_values['arguments']),
+    'used_php_arguments' => workflow_ng_custom_php_get_used_php_arguments($form_values['php'], $form_values['arguments']),
+  );
+}