X-Git-Url: http://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Fspecials%2FSpecialDiff.php;h=b27a8b4dfdb3bd0bfbac2551689fac197e098f80;hb=12a75b2f2600073d86cdeaf194e6b4c5c659b53f;hp=9804e777b17f2a119a3d7d0a327b99325b9ef08b;hpb=2f885ee6b797e5a176ce7b270b674a04b5945b06;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/specials/SpecialDiff.php b/includes/specials/SpecialDiff.php
index 9804e777b1..b27a8b4dfd 100644
--- a/includes/specials/SpecialDiff.php
+++ b/includes/specials/SpecialDiff.php
@@ -56,11 +56,64 @@ class SpecialDiff extends RedirectSpecialPage {
 			$this->mAddedRedirectParams['oldid'] = $parts[0];
 			$this->mAddedRedirectParams['diff'] = $parts[1];
 		} else {
-			// Wrong number of parameters, bail out
-			$this->addHelpLink( 'Help:Diff' );
-			throw new ErrorPageError( 'nopagetitle', 'nopagetext' );
+			return false;
 		}
 
 		return true;
 	}
+
+	protected function showNoRedirectPage() {
+		$this->addHelpLink( 'Help:Diff' );
+		$this->setHeaders();
+		$this->outputHeader();
+		$this->showForm();
+	}
+
+	private function showForm() {
+		$form = HTMLForm::factory( 'ooui', [
+			'oldid' => [
+				'name' => 'oldid',
+				'type' => 'int',
+				'label-message' => 'diff-form-oldid',
+			],
+			'diff' => [
+				'name' => 'diff',
+				'class' => HTMLTextField::class,
+				'label-message' => 'diff-form-revid',
+			],
+		], $this->getContext(), 'diff-form' );
+		$form->setSubmitTextMsg( 'diff-form-submit' );
+		$form->setSubmitCallback( [ $this, 'onFormSubmit' ] );
+		$form->show();
+	}
+
+	public function onFormSubmit( $formData ) {
+		$params = [];
+		if ( $formData['oldid'] ) {
+			$params[] = $formData['oldid'];
+		}
+		if ( $formData['diff'] ) {
+			$params[] = $formData['diff'];
+		}
+		$title = $this->getPageTitle( $params ? implode( '/', $params ) : null );
+		$url = $title->getFullUrlForRedirect();
+		$this->getOutput()->redirect( $url );
+	}
+
+	public function getDescription() {
+		// 'diff' message is in lowercase, using own message
+		return $this->msg( 'diff-form' )->text();
+	}
+
+	public function getName() {
+		return 'diff-form';
+	}
+
+	public function isListed() {
+		return true;
+	}
+
+	protected function getGroupName() {
+		return 'redirects';
+	}
 }