From 4e3e636a7c91da6571e362d15d1010f42876674d Mon Sep 17 00:00:00 2001
From: Matt Walker <mwalker@wikimedia.org>
Date: Fri, 8 Mar 2013 17:30:49 -0800
Subject: [PATCH] HTMLForm button behaviour modifications

- Buttons can now be marked disabled and they will not be clickable.
- The default submit button may now be opted out of.

Change-Id: I8293a3c09da51152bfc7f6f6951416c71ce0bb38
---
 includes/HTMLForm.php | 60 +++++++++++++++++++++++++++++--------------
 1 file changed, 41 insertions(+), 19 deletions(-)

diff --git a/includes/HTMLForm.php b/includes/HTMLForm.php
index 816ea16c08..e2040871f0 100644
--- a/includes/HTMLForm.php
+++ b/includes/HTMLForm.php
@@ -128,6 +128,7 @@ class HTMLForm extends ContextSource {
 
 	protected $mFieldTree;
 	protected $mShowReset = false;
+	protected $mShowSubmit = true;
 	public $mFieldData;
 
 	protected $mSubmitCallback;
@@ -683,23 +684,26 @@ class HTMLForm extends ContextSource {
 	 */
 	function getButtons() {
 		$html = '';
-		$attribs = array();
 
-		if ( isset( $this->mSubmitID ) ) {
-			$attribs['id'] = $this->mSubmitID;
-		}
+		if ( $this->mShowSubmit ) {
+			$attribs = array();
 
-		if ( isset( $this->mSubmitName ) ) {
-			$attribs['name'] = $this->mSubmitName;
-		}
+			if ( isset( $this->mSubmitID ) ) {
+				$attribs['id'] = $this->mSubmitID;
+			}
 
-		if ( isset( $this->mSubmitTooltip ) ) {
-			$attribs += Linker::tooltipAndAccesskeyAttribs( $this->mSubmitTooltip );
-		}
+			if ( isset( $this->mSubmitName ) ) {
+				$attribs['name'] = $this->mSubmitName;
+			}
 
-		$attribs['class'] = 'mw-htmlform-submit';
+			if ( isset( $this->mSubmitTooltip ) ) {
+				$attribs += Linker::tooltipAndAccesskeyAttribs( $this->mSubmitTooltip );
+			}
+
+			$attribs['class'] = 'mw-htmlform-submit';
 
-		$html .= Xml::submitButton( $this->getSubmitText(), $attribs ) . "\n";
+			$html .= Xml::submitButton( $this->getSubmitText(), $attribs ) . "\n";
+		}
 
 		if ( $this->mShowReset ) {
 			$html .= Html::element(
@@ -851,6 +855,21 @@ class HTMLForm extends ContextSource {
 		return $this;
 	}
 
+	/**
+	 * Stop a default submit button being shown for this form. This implies that an
+	 * alternate submit method must be provided manually.
+	 *
+	 * @since 1.22
+	 *
+	 * @param bool $suppressSubmit Set to false to re-enable the button again
+	 *
+	 * @return HTMLForm $this for chaining calls
+	 */
+	function suppressDefaultSubmit( $suppressSubmit = true ) {
+		$this->mShowSubmit = !$suppressSubmit;
+		return $this;
+	}
+
 	/**
 	 * @param string $id DOM id for the form
 	 * @return HTMLForm $this for chaining calls (since 1.20)
@@ -2526,14 +2545,17 @@ class HTMLSubmitField extends HTMLFormField {
 	}
 
 	public function getInputHTML( $value ) {
-		return Xml::submitButton(
-			$value,
-			array(
-				'class' => 'mw-htmlform-submit ' . $this->mClass,
-				'name' => $this->mName,
-				'id' => $this->mID,
-			)
+		$attr = array(
+			'class' => 'mw-htmlform-submit ' . $this->mClass,
+			'name' => $this->mName,
+			'id' => $this->mID,
 		);
+
+		if ( !empty( $this->mParams['disabled'] ) ) {
+			$attr['disabled'] = 'disabled';
+		}
+
+		return Xml::submitButton( $value, $attr );
 	}
 
 	protected function needsLabel() {
-- 
2.20.1