From fefcc322e4b9c1e01cfe3e0b11dd1d407ff5468b Mon Sep 17 00:00:00 2001
From: Silvio <silvio@socioambiental.org>
Date: Mon, 28 Sep 2009 14:30:41 -0300
Subject: Saving form option

---
 node_import_truncate.module | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/node_import_truncate.module b/node_import_truncate.module
index 7d5abf9..c9a403c 100644
--- a/node_import_truncate.module
+++ b/node_import_truncate.module
@@ -33,9 +33,10 @@ function node_import_truncate_form(&$form_state, $taskid = null) {
     '#value' => $taskid,
   );
   $form['mass_delete'] = array(
-    '#type'        => 'checkbox',
-    '#title'       => t('Pre-import mass deletion'),
-    '#description' => t('Delete old content before importing new data.'),
+    '#type'          => 'checkbox',
+    '#title'         => t('Pre-import mass deletion'),
+    '#description'   => t('Delete old content before importing new data.'),
+    '#default_value' => variable_get('node_import_truncate', '0'),
   );
   $form['submit'] = array(
     '#type'  => 'submit',
@@ -44,11 +45,21 @@ function node_import_truncate_form(&$form_state, $taskid = null) {
   return $form;
 }
 
+/**
+ * Implementation of hook_validate();
+ */
+function node_import_truncate_form_validate($form, $form_state) {
+  if (!isset($form_state['values']['mass_delete'])) {
+    form_set_error('mass_delete', t('Please choose an option'));
+  }
+}
+
 /**
  * Handle post-validation form-submission.
  */
 function node_import_truncate_form_submit($form, &$form_state) {
   $mass_delete = $form_state['values']['mass_delete'];
+  variable_set('node_import_truncate', $mass_delete);
 
   if (isset($form_state['values']['taskid']['#value'])) {
     $taskid   = $form_state['values']['taskid']['#value'];
@@ -79,9 +90,9 @@ function node_import_truncate_form_submit($form, &$form_state) {
 /**
  * Implementation of hook_node_import_task();
  *
- * As the user is probably adding a spreadsheet containing
- * old and new content, we need to make sure to remove all
- * previous content to prevent duplicate data in the
+ * As the user may be adding a spreadsheet containing
+ * old and new content, we need to check whether to remove
+ * all previous content to prevent duplicate data in the
  * database.
  */
 function node_import_truncate_node_import_task($task, $op) {
-- 
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