From e70395c0a3d446b219b2c1b5ead7f876bc469633 Mon Sep 17 00:00:00 2001
From: Trismegiste <florent.g@allopneus.com>
Date: Sat, 11 May 2013 01:36:57 +0200
Subject: [PATCH] improving the render to show the tree with indentations

---
 Composite/Form.php           | 2 +-
 Composite/InputElement.php   | 2 +-
 Composite/TextElement.php    | 2 +-
 Tests/Composite/FormTest.php | 5 +++++
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Composite/Form.php b/Composite/Form.php
index e2ebc60..0cc16e1 100644
--- a/Composite/Form.php
+++ b/Composite/Form.php
@@ -32,7 +32,7 @@ class Form extends FormElement
     {
         $formCode = '';
         foreach ($this->_elements as $element) {
-            $formCode .= $element->render();
+            $formCode .= $element->render($indent + 1) . PHP_EOL;
         }
 
         return $formCode;
diff --git a/Composite/InputElement.php b/Composite/InputElement.php
index d042e72..786df45 100644
--- a/Composite/InputElement.php
+++ b/Composite/InputElement.php
@@ -6,6 +6,6 @@ class InputElement extends FormElement
 {
     public function render($indent = 0)
     {
-        return '<input type="text" />';
+        return str_repeat('  ', $indent) . '<input type="text" />';
     }
 }
diff --git a/Composite/TextElement.php b/Composite/TextElement.php
index 9e076e8..c8214ca 100644
--- a/Composite/TextElement.php
+++ b/Composite/TextElement.php
@@ -6,6 +6,6 @@ class TextElement extends FormElement
 {
     public function render($indent = 0)
     {
-        return 'this is a text element';
+        return str_repeat('  ', $indent) . 'this is a text element';
     }
 }
diff --git a/Tests/Composite/FormTest.php b/Tests/Composite/FormTest.php
index 85d56d5..2e10a8f 100644
--- a/Tests/Composite/FormTest.php
+++ b/Tests/Composite/FormTest.php
@@ -19,6 +19,11 @@ class FormTest extends \PHPUnit_Framework_TestCase
         $form = new Composite\Form();
         $form->addElement(new Composite\TextElement());
         $form->addElement(new Composite\InputElement());
+        $embed = new Composite\Form();
+        $embed->addElement(new Composite\TextElement());
+        $embed->addElement(new Composite\InputElement());
+        $form->addElement($embed);  // here we have a tree !
+        
         echo $form->render();
     }