From 8a36ab4ed5797121449e4b22bddcd2b6140c4ac6 Mon Sep 17 00:00:00 2001
From: Matt Peel <signups@madman.net.nz>
Date: Mon, 13 Aug 2007 11:54:44 +0000
Subject: [PATCH] Added performDisabledTransformation() and
 performReadonlyTransformation() methods that set a TextareaField to be
 disabled (unselectable, not sent by browser when form is submitted) and
 readonly (selectable, sent by browser when form is submitted).

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@39927 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 forms/TextareaField.php | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/forms/TextareaField.php b/forms/TextareaField.php
index d7e12ea31..9ffd7c024 100755
--- a/forms/TextareaField.php
+++ b/forms/TextareaField.php
@@ -3,7 +3,7 @@
  * Multi-line text area.
  */
 class TextareaField extends FormField {
-	protected $rows, $cols;
+	protected $rows, $cols, $disabled = false, $readonly = false;
 	
 	/**
 	 * Create a new multi-line text area field.
@@ -30,7 +30,34 @@ class TextareaField extends FormField {
 			$classAttr = '';
 		}
 		
-		return "<textarea $classAttr id=\"" . $this->id() . "\" name=\"{$this->name}\" rows=\"{$this->rows}\" cols=\"{$this->cols}\">".Convert::raw2att($this->value)."</textarea>";
-	}	
+		$disabled = $this->disabled ? " disabled=\"disabled\"" : "";
+		$readonly = $this->readonly ? " readonly=\"readonly\"" : "";
+		
+		return "<textarea $disabled$readonly $classAttr id=\"" . $this->id() . "\" name=\"{$this->name}\" rows=\"{$this->rows}\" cols=\"{$this->cols}\">".Convert::raw2att($this->value)."</textarea>";
+	}
+	
+	/**
+	 * Performs a readonly transformation on this field. You should still be able
+	 * to copy from this field, and it should still send when you submit
+	 * the form it's attached to.
+	 * The element shouldn't be both disabled and readonly at the same time.
+	 */
+	function performReadonlyTransformation() {
+		$this->readonly = true;
+		$this->disabled = false;
+		return $this;
+	}
+	
+	/**
+	 * Performs a disabled transformation on this field. You shouldn't be able to
+	 * copy from this field, and it should not send any data when you submit the 
+	 * form it's attached to.
+	 * The element shouldn't be both disabled and readonly at the same time.
+	 */
+	function performDisabledTransformation() {
+		$this->disabled = true;
+		$this->readonly = false;
+		return $this;
+	}
 }
 ?>