ENHANCEMENT Allow to batch-add components via GridFieldConfig->addComponents()

forms/gridfield/GridFieldConfig.php

@@ -26,10 +26,22 @@ class GridFieldConfig {
 		$this->components = new ArrayList();
 	}
 	
+	/**
+	 * @param GridFieldComponent $component 
+	 */
 	public function addComponent(GridFieldComponent $component) {
 		$this->getComponents()->push($component);
 		return $this;
 	}
+
+	/**
+	 * @param GridFieldComponent One or more components
+	 */
+	public function addComponents() {
+		$components = func_get_args();
+		foreach($components as $component) $this->addComponent($component);
+		return $this;
+	}
 	
 	/**
 	 * @return ArrayList Of GridFieldComponent

tests/forms/gridfield/GridFieldConfigTest.php

@@ -64,6 +64,23 @@ class GridFieldConfigTest extends SapphireTest {
 			$config->getComponentByType('GridFieldConfigTest_UnknownComponent')
 		);
 	}
+
+	public function testAddComponents() {
+		$config = GridFieldConfig::create()
+			->addComponents(
+				$c1 = new GridFieldConfigTest_MyComponent(),
+				$c2 = new GridFieldConfigTest_MyOtherComponent()
+			);
+
+		$this->assertEquals(
+			$c1, 
+			$config->getComponentByType('GridFieldConfigTest_MyComponent')
+		);
+		$this->assertEquals(
+			$c2,
+			$config->getComponentByType('GridFieldConfigTest_MyOtherComponent')
+		);
+	}
 	
 }