From: Gergő Tisza <tgr.huwiki@gmail.com>
Date: Tue, 2 Aug 2016 07:27:44 +0000 (-0700)
Subject: Allow closures as HTMLInfoField values
X-Git-Tag: 1.31.0-rc.0~5935^2~1
X-Git-Url: http://git.cyclocoop.org//%22%22._DIR_PLUGIN_FULLCALENDAR.%22prive/themes/spip/images/event_edit.png/%22?a=commitdiff_plain;h=3cc87a8b1278078966ddf7870f7ac17620564a9d;p=lhc%2Fweb%2Fwiklou.git

Allow closures as HTMLInfoField values

This makes it possible to parametrize info fields so they can be
easily altered.

Change-Id: I17328cf3f1a710096c64b17dde0864cb9be3892d
---

diff --git a/includes/htmlform/fields/HTMLInfoField.php b/includes/htmlform/fields/HTMLInfoField.php
index ada4fb67c6..6dc5d08091 100644
--- a/includes/htmlform/fields/HTMLInfoField.php
+++ b/includes/htmlform/fields/HTMLInfoField.php
@@ -4,12 +4,29 @@
  * An information field (text blob), not a proper input.
  */
 class HTMLInfoField extends HTMLFormField {
+	/**
+	 * @param array $info
+	 *   In adition to the usual HTMLFormField parameters, this can take the following fields:
+	 *   - default: the value (text) of the field. Unlike other form field types, HTMLInfoField can
+	 *     take a closure as a default value, which will be evaluated with $info as its only parameter.
+	 *   - raw: if true, the value won't be escaped.
+	 *   - rawrow: if true, the usual wrapping of form fields (e.g. into a table row + cell when
+	 *     display mode is table) will not happen and the value must contain it already.
+	 */
 	public function __construct( $info ) {
 		$info['nodata'] = true;
 
 		parent::__construct( $info );
 	}
 
+	function getDefault() {
+		$default = parent::getDefault();
+		if ( $default instanceof Closure ) {
+			$default = call_user_func( $default, $this->mParams );
+		}
+		return $default;
+	}
+
 	public function getInputHTML( $value ) {
 		return !empty( $this->mParams['raw'] ) ? $value : htmlspecialchars( $value );
 	}