Merge pull request #4 from pedroborges/develop

Added <label> element to form class. Input elements will automatically receive the ID of the corresponding label element if one exists.

system/form.php

@@ -2,6 +2,13 @@
 
 class Form {
 
+	/**
+	 * Stores labels names.
+	 *
+	 * @var array
+	 */
+	private static $labels = array();
+
 	/**
 	 * Open a HTML form.
 	 *
@@ -71,6 +78,21 @@ class Form {
 		return Session::get('csrf_token');
 	}
 
+	/**
+	 * Create a HTML label element.
+	 *
+	 * @param  string  $name
+	 * @param  string  $value
+	 * @param  array   $attributes
+	 * @return string
+	 */		
+	public static function label($name, $value, $attributes = array())
+	{
+		static::$labels[] = $name;
+		
+		return '<label for="'.$name.'"'.HTML::attributes($attributes).'>'.HTML::entities($value).'</label>'.PHP_EOL;
+	}
+
 	/**
 	 * Create a HTML text input element.
 	 *
@@ -189,6 +211,8 @@ class Form {
 		{
 			$attributes['checked'] = 'checked';
 		}
+		
+		(in_array($name, static::$labels)) ? $attributes['id'] = $name : null;
 
 		return static::input($type, $name, $value, $attributes);
 	}
@@ -204,6 +228,7 @@ class Form {
 	public static function textarea($name, $value = '', $attributes = array())
 	{
 		$attributes['name'] = $name;
+		(in_array($name, static::$labels)) ? $attributes['id'] = $name : null;
 
 		// -------------------------------------------------------
 		// Set the default number of rows.
@@ -236,6 +261,7 @@ class Form {
 	public static function select($name, $options = array(), $selected = null, $attributes = array())
 	{
 		$attributes['name'] = $name;
+		(in_array($name, static::$labels)) ? $attributes['id'] = $name : null;
 
 		$html_options = array();
 
@@ -275,6 +301,7 @@ class Form {
 		$attributes['type'] = $type;
 		$attributes['name'] = $name;
 		$attributes['value'] = $value;
+		(in_array($name, static::$labels)) ? $attributes['id'] = $name : null;
 
 		return '<input'.HTML::attributes($attributes).' />'.PHP_EOL;
 	}