1 files changed, 58 insertions, 0 deletions
diff --git a/library/Icinga/Data/Filter/FilterNot.php b/library/Icinga/Data/Filter/FilterNot.php
new file mode 100644
index 0000000..b61f497
--- /dev/null
+++ b/library/Icinga/Data/Filter/FilterNot.php
@@ -0,0 +1,58 @@
+<?php
+/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Data\Filter;
+
+class FilterNot extends FilterChain
+{
+    protected $operatorName = 'NOT';
+
+    protected $operatorSymbol = '!'; // BULLSHIT
+
+// TODO: Max count 1 or autocreate sub-and?
+
+    public function matches($row)
+    {
+        foreach ($this->filters() as $filter) {
+            if ($filter->matches($row)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public function andFilter(Filter $filter)
+    {
+        return Filter::matchAll($this, $filter);
+    }
+
+    public function orFilter(Filter $filter)
+    {
+        return Filter::matchAny($filter);
+    }
+
+    public function toQueryString()
+    {
+        $parts = array();
+        if (empty($this->filters)) {
+            return '';
+        }
+
+        foreach ($this->filters() as $filter) {
+            $parts[] = $filter->toQueryString();
+        }
+        if (count($parts) === 1) {
+            return '!' . $parts[0];
+        } else {
+            return '!(' . implode('&', $parts) . ')';
+        }
+    }
+
+    public function __toString()
+    {
+        if (count($this->filters) === 1) {
+            return '! ' . $this->filters[0];
+        }
+        return '! (' . implode('&', $this->filters) . ')';
+    }
+}