From b9ec7da21df75be54ce58c48145d329c0ea51495 Mon Sep 17 00:00:00 2001
From: mark_story <mark@mark-story.com>
Date: Sun, 13 Mar 2011 19:35:37 -0400
Subject: [PATCH] Applying patch from 'NaMB' to add disabled support to
 FormHelper::radio().  Test cases added as well.  Fixes #1459

---
 cake/libs/view/helpers/form.php               |  9 ++++++
 .../cases/libs/view/helpers/form.test.php     | 29 +++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/cake/libs/view/helpers/form.php b/cake/libs/view/helpers/form.php
index 7b0b29b93..00ec12351 100644
--- a/cake/libs/view/helpers/form.php
+++ b/cake/libs/view/helpers/form.php
@@ -1039,6 +1039,7 @@ class FormHelper extends AppHelper {
 	public function radio($fieldName, $options = array(), $attributes = array()) {
 		$attributes = $this->_initInputField($fieldName, $attributes);
 		$legend = false;
+		$disabled = array();
 
 		if (isset($attributes['legend'])) {
 			$legend = $attributes['legend'];
@@ -1064,6 +1065,11 @@ class FormHelper extends AppHelper {
 		} else {
 			$value =  $this->value($fieldName);
 		}
+
+		if (isset($attributes['disabled'])) {
+			$disabled = $attributes['disabled'];
+		}
+
 		$out = array();
 
 		$hiddenField = isset($attributes['hiddenField']) ? $attributes['hiddenField'] : true;
@@ -1075,6 +1081,9 @@ class FormHelper extends AppHelper {
 			if (isset($value) && $optValue == $value) {
 				$optionsHere['checked'] = 'checked';
 			}
+			if (!empty($disabled) && in_array($optValue, $disabled)) {
+				$optionsHere['disabled'] = true;
+			}
 			$tagName = Inflector::camelize(
 				$attributes['id'] . '_' . Inflector::slug($optValue)
 			);
diff --git a/cake/tests/cases/libs/view/helpers/form.test.php b/cake/tests/cases/libs/view/helpers/form.test.php
index 532476960..d8ccbf617 100644
--- a/cake/tests/cases/libs/view/helpers/form.test.php
+++ b/cake/tests/cases/libs/view/helpers/form.test.php
@@ -3012,6 +3012,35 @@ class FormHelperTest extends CakeTestCase {
 		$this->assertTags($result, $expected);
 	}
 
+/**
+ * test disabled radio options
+ *
+ * @return void
+ */
+	function testRadioDisabled() {
+		$result = $this->Form->radio(
+			'Model.field', 
+			array('option A', 'option B'),
+			array('disabled' => array('option A'), 'value' => 'option A')
+		);
+		$expected = array(
+			'fieldset' => array(),
+			'legend' => array(),
+			'Field',
+			'/legend',
+			array('input' => array('type' => 'radio', 'name' => 'data[Model][field]', 'value' => '0', 'id' => 'ModelField0', 'disabled' => 'disabled', 'checked' => 'checked')),
+			array('label' => array('for' => 'ModelField0')),
+			'option A',
+			'/label',
+			array('input' => array('type' => 'radio', 'name' => 'data[Model][field]', 'value' => '1', 'id' => 'ModelField1')),
+			array('label' => array('for' => 'ModelField1')),
+			'option B',
+			'/label',
+			'/fieldset'
+		);
+		$this->assertTags($result, $expected);
+	}
+
 /**
  * test disabling the hidden input for radio buttons
  *