plugins: Fix saving and loading of checkbox fields

include/class.forms.php

@@ -937,7 +937,7 @@ class Widget {
         $this->value = $this->getValue();
         if (!isset($this->value) && is_object($this->field->getAnswer()))
             $this->value = $this->field->getAnswer()->getValue();
-        if (!isset($this->value) && $this->field->value)
+        if (!isset($this->value) && isset($this->field->value))
             $this->value = $this->field->value;
     }
 

include/class.plugin.php

@@ -9,6 +9,8 @@ class PluginConfig extends Config {
         // Use parent constructor to place configurable information into the
         // central config table in a namespace of "plugin.<id>"
         parent::Config("plugin.$name");
+        foreach ($this->getOptions() as $name => $field)
+            $this->config[$name]['value'] = $field->to_php($this->get($name));
     }
 
     /* abstract */
@@ -56,8 +58,14 @@ class PluginConfig extends Config {
             $commit = $this->pre_save($config, $errors);
         }
         $errors += $f->errors();
-        if ($commit && count($errors) === 0)
-            return $this->updateAll($config);
+        if ($commit && count($errors) === 0) {
+            $dbready = array();
+            foreach ($config as $name => $val) {
+                $field = $f->getField($name);
+                $dbready[$name] = $field->to_database($val);
+            }
+            return $this->updateAll($dbready);
+        }
         return false;
     }