--- /dev/null
+<?php
+namespace Robo\Common;
+
+/**
+ * Simplifies generating of configuration chanined methods.
+ * You can only define configuration properties and use magic methods to set them.
+ * Methods will be named the same way as properties.
+ * * Boolean properties are switched on/off if no values is provided.
+ * * Array properties can accept non-array values, in this case value will be appended to array.
+ * You should also define phpdoc for methods.
+ */
+trait DynamicParams
+{
+ /**
+ * @param string $property
+ * @param array $args
+ *
+ * @return $this
+ */
+ public function __call($property, $args)
+ {
+ if (!property_exists($this, $property)) {
+ throw new \RuntimeException("Property $property in task ".get_class($this).' does not exists');
+ }
+
+ // toggle boolean values
+ if (!isset($args[0]) and (is_bool($this->$property))) {
+ $this->$property = !$this->$property;
+ return $this;
+ }
+
+ // append item to array
+ if (is_array($this->$property)) {
+ if (is_array($args[0])) {
+ $this->$property = $args[0];
+ } else {
+ array_push($this->$property, $args[0]);
+ }
+ return $this;
+ }
+
+ $this->$property = $args[0];
+ return $this;
+ }
+}