1 files changed, 6 insertions, 6 deletions

diff --git a/src/controllers/ViewpropertiesController.php b/src/controllers/ViewpropertiesController.php
index 237b0664..523d5c47 100644
--- a/src/controllers/ViewpropertiesController.php
+++ b/src/controllers/ViewpropertiesController.php
@@ -35,7 +35,7 @@ class ViewpropertiesController extends BaseController
 
         switch ($this->action) {
             case 'save_edit':
-                if (isset($_POST['cancel'])) {
+                if (null !== $this->getPostParam('cancel')) {
                     $this->doDefinition();
                 } else {
                     $this->doSaveEdit();
@@ -57,7 +57,7 @@ class ViewpropertiesController extends BaseController
 
                 break;
             case 'properties':
-                if (isset($_POST['cancel'])) {
+                if (null !== $this->getPostParam('cancel')) {
                     $this->doDefault();
                 } else {
                     $this->doProperties();
@@ -65,7 +65,7 @@ class ViewpropertiesController extends BaseController
 
                 break;
             case 'alter':
-                if (isset($_POST['alter'])) {
+                if (null !== $this->getPostParam('alter')) {
                     $this->doAlter(false);
                 } else {
                     $this->doDefault();
@@ -77,7 +77,7 @@ class ViewpropertiesController extends BaseController
 
                 break;
             /*case 'drop':
-            if (isset($_POST['drop'])) {
+            if($this->getPostParam('drop')!==null){
             $this->doDrop(false);
             } else {
             $this->doDefault();
@@ -233,7 +233,7 @@ EOT;
                 echo '<input type="hidden" name="column" value="', \htmlspecialchars($_REQUEST['column']), '" />' . \PHP_EOL;
                 echo '<input type="hidden" name="olddefault" value="', \htmlspecialchars($_REQUEST['olddefault']), '" />' . \PHP_EOL;
                 echo "<input type=\"submit\" value=\"{$this->lang['stralter']}\" />" . \PHP_EOL;
-                echo sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s',$this->lang['strcancel'], \PHP_EOL);
+                echo \sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s', $this->lang['strcancel'], \PHP_EOL);
                 echo '</form>' . \PHP_EOL;
 
                 break;
@@ -345,7 +345,7 @@ EOT;
                 echo '<input type="hidden" name="view" value="', \htmlspecialchars($_REQUEST[$this->subject]), '" />' . \PHP_EOL;
                 echo $this->view->form;
                 echo "<p><input type=\"submit\" name=\"alter\" value=\"{$this->lang['stralter']}\" />" . \PHP_EOL;
-                echo sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s',$this->lang['strcancel'], \PHP_EOL);
+                echo \sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s', $this->lang['strcancel'], \PHP_EOL);
                 echo '</form>' . \PHP_EOL;
             } else {
                 echo "<p>{$this->lang['strnodata']}</p>" . \PHP_EOL;