updated to MediaWiki 1.14.0

1 files changed, 280 insertions, 129 deletions

diff --git a/includes/ProtectionForm.php b/includes/ProtectionForm.php
index e7787822..372edfcd 100644
--- a/includes/ProtectionForm.php
+++ b/includes/ProtectionForm.php
@@ -20,79 +20,146 @@
  */
 
 /**
- * @todo document, briefly.
+ * Handles the page protection UI and backend
  */
 class ProtectionForm {
+	/** A map of action to restriction level, from request or default */
 	var $mRestrictions = array();
+
+	/** The custom/additional protection reason */
 	var $mReason = '';
+
+	/** The reason selected from the list, blank for other/additional */
+	var $mReasonSelection = '';
+
+	/** True if the restrictions are cascading, from request or existing protection */
 	var $mCascade = false;
-	var $mExpiry = null;
+
+	/** Map of action to "other" expiry time. Used in preference to mExpirySelection. */
+	var $mExpiry = array();
+
+	/** 
+	 * Map of action to value selected in expiry drop-down list. 
+	 * Will be set to 'othertime' whenever mExpiry is set. 
+	 */
+	var $mExpirySelection = array();
+
+	/** Permissions errors for the protect action */
 	var $mPermErrors = array();
+
+	/** Types (i.e. actions) for which levels can be selected */
 	var $mApplicableTypes = array();
 
-	function __construct( &$article ) {
+	/** Map of action to the expiry time of the existing protection */
+	var $mExistingExpiry = array();
+
+	function __construct( Article $article ) {
 		global $wgRequest, $wgUser;
 		global $wgRestrictionTypes, $wgRestrictionLevels;
-		$this->mArticle =& $article;
-		$this->mTitle =& $article->mTitle;
+		$this->mArticle = $article;
+		$this->mTitle = $article->mTitle;
 		$this->mApplicableTypes = $this->mTitle->exists() ? $wgRestrictionTypes : array('create');
 
-		if( $this->mTitle ) {
-			$this->mTitle->loadRestrictions();
+		$this->mCascade = $this->mTitle->areRestrictionsCascading();
 
-			foreach( $this->mApplicableTypes as $action ) {
-				// Fixme: this form currently requires individual selections,
-				// but the db allows multiples separated by commas.
-				$this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
-			}
+		// The form will be available in read-only to show levels.
+		$this->mPermErrors = $this->mTitle->getUserPermissionsErrors('protect',$wgUser);
+		$this->disabled = wfReadOnly() || $this->mPermErrors != array();
+		$this->disabledAttrib = $this->disabled
+			? array( 'disabled' => 'disabled' )
+			: array();
+
+		$this->mReason = $wgRequest->getText( 'mwProtect-reason' );
+		$this->mReasonSelection = $wgRequest->getText( 'wpProtectReasonSelection' );
+		$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade', $this->mCascade );
 
-			$this->mCascade = $this->mTitle->areRestrictionsCascading();
+		foreach( $this->mApplicableTypes as $action ) {
+			// Fixme: this form currently requires individual selections,
+			// but the db allows multiples separated by commas.
+			$this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
 
-			if ( $this->mTitle->mRestrictionsExpiry == 'infinity' ) {
-				$this->mExpiry = 'infinite';
-			} else if ( strlen($this->mTitle->mRestrictionsExpiry) == 0 ) {
-				$this->mExpiry = '';
+			if ( !$this->mRestrictions[$action] ) {
+				// No existing expiry
+				$existingExpiry = '';
 			} else {
-				// FIXME: this format is not user friendly
-				$this->mExpiry = wfTimestamp( TS_ISO_8601, $this->mTitle->mRestrictionsExpiry );
+				$existingExpiry = $this->mTitle->getRestrictionExpiry( $action );
+			}
+			$this->mExistingExpiry[$action] = $existingExpiry;
+
+			$requestExpiry = $wgRequest->getText( "mwProtect-expiry-$action" );
+			$requestExpirySelection = $wgRequest->getVal( "wpProtectExpirySelection-$action" );
+
+			if ( $requestExpiry ) {
+				// Custom expiry takes precedence
+				$this->mExpiry[$action] = $requestExpiry;
+				$this->mExpirySelection[$action] = 'othertime';
+			} elseif ( $requestExpirySelection ) {
+				// Expiry selected from list
+				$this->mExpiry[$action] = '';
+				$this->mExpirySelection[$action] = $requestExpirySelection;
+			} elseif ( $existingExpiry == 'infinity' ) {
+				// Existing expiry is infinite, use "infinite" in drop-down
+				$this->mExpiry[$action] = '';
+				$this->mExpirySelection[$action] = 'infinite';
+			} elseif ( $existingExpiry ) {
+				// Use existing expiry in its own list item
+				$this->mExpiry[$action] = '';
+				$this->mExpirySelection[$action] = $existingExpiry;
+			} else {
+				// Final default: infinite
+				$this->mExpiry[$action] = '';
+				$this->mExpirySelection[$action] = 'infinite';
+			}
+
+			$val = $wgRequest->getVal( "mwProtect-level-$action" );
+			if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
+				// Prevent users from setting levels that they cannot later unset
+				if( $val == 'sysop' ) {
+					// Special case, rewrite sysop to either protect and editprotected
+					if( !$wgUser->isAllowed('protect') && !$wgUser->isAllowed('editprotected') )
+						continue;
+				} else {
+					if( !$wgUser->isAllowed($val) )
+						continue;
+				}
+				$this->mRestrictions[$action] = $val;
 			}
 		}
+	}
 
-		// The form will be available in read-only to show levels.
-		$this->disabled = wfReadOnly() || ($this->mPermErrors = $this->mTitle->getUserPermissionsErrors('protect',$wgUser)) != array();
-		$this->disabledAttrib = $this->disabled
-			? array( 'disabled' => 'disabled' )
-			: array();
+	/** 
+	 * Get the expiry time for a given action, by combining the relevant inputs.
+	 * Returns a 14-char timestamp or "infinity", or false if the input was invalid
+	 */
+	function getExpiry( $action ) {
+		if ( $this->mExpirySelection[$action] == 'existing' ) {
+			return $this->mExistingExpiry[$action];
+		} elseif ( $this->mExpirySelection[$action] == 'othertime' ) {
+			$value = $this->mExpiry[$action];
+		} else {
+			$value = $this->mExpirySelection[$action];
+		}
+		if ( $value == 'infinite' || $value == 'indefinite' || $value == 'infinity' ) {
+			$time = Block::infinity();
+		} else {
+			$unix = strtotime( $value );
 
-		if( $wgRequest->wasPosted() ) {
-			$this->mReason = $wgRequest->getText( 'mwProtect-reason' );
-			$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' );
-			$this->mExpiry = $wgRequest->getText( 'mwProtect-expiry' );
-
-			foreach( $this->mApplicableTypes as $action ) {
-				$val = $wgRequest->getVal( "mwProtect-level-$action" );
-				if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
-					//prevent users from setting levels that they cannot later unset
-					if( $val == 'sysop' ) {
-						//special case, rewrite sysop to either protect and editprotected
-						if( !$wgUser->isAllowed('protect') && !$wgUser->isAllowed('editprotected') )
-							continue;
-					} else {
-						if( !$wgUser->isAllowed($val) )
-							continue;
-					}
-					$this->mRestrictions[$action] = $val;
-				}
+			if ( !$unix || $unix === -1 ) {
+				return false;
 			}
+
+			// Fixme: non-qualified absolute times are not in users specified timezone
+			// and there isn't notice about it in the ui
+			$time = wfTimestamp( TS_MW, $unix );
 		}
+		return $time;
 	}
 
 	function execute() {
 		global $wgRequest, $wgOut;
 		if( $wgRequest->wasPosted() ) {
 			if( $this->save() ) {
-				$article = new Article( $this->mTitle );
-				$q = $article->isRedirect() ? 'redirect=no' : '';
+				$q = $this->mArticle->isRedirect() ? 'redirect=no' : '';
 				$wgOut->redirect( $this->mTitle->getFullUrl( $q ) );
 			}
 		} else {
@@ -103,7 +170,7 @@ class ProtectionForm {
 	function show( $err = null ) {
 		global $wgOut, $wgUser;
 
-		$wgOut->setRobotpolicy( 'noindex,nofollow' );
+		$wgOut->setRobotPolicy( 'noindex,nofollow' );
 
 		if( is_null( $this->mTitle ) ||
 			$this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
@@ -152,42 +219,39 @@ class ProtectionForm {
 
 	function save() {
 		global $wgRequest, $wgUser, $wgOut;
-
-		if( $this->disabled ) {
+		# Permission check!
+		if ( $this->disabled ) {
 			$this->show();
 			return false;
 		}
 
 		$token = $wgRequest->getVal( 'wpEditToken' );
-		if( !$wgUser->matchEditToken( $token ) ) {
+		if ( !$wgUser->matchEditToken( $token ) ) {
 			$this->show( wfMsg( 'sessionfailure' ) );
 			return false;
 		}
-
-		if ( strlen( $this->mExpiry ) == 0 ) {
-			$this->mExpiry = 'infinite';
+		
+		# Create reason string. Use list and/or custom string.
+		$reasonstr = $this->mReasonSelection;
+		if ( $reasonstr != 'other' && $this->mReason != '' ) {
+			// Entry from drop down menu + additional comment
+			$reasonstr .= ': ' . $this->mReason;
+		} elseif ( $reasonstr == 'other' ) {
+			$reasonstr = $this->mReason;
 		}
-
-		if ( $this->mExpiry == 'infinite' || $this->mExpiry == 'indefinite' ) {
-			$expiry = Block::infinity();
-		} else {
-			# Convert GNU-style date, on error returns -1 for PHP <5.1 and false for PHP >=5.1
-			$expiry = strtotime( $this->mExpiry );
-
-			if ( $expiry < 0 || $expiry === false ) {
+		$expiry = array();
+		foreach( $this->mApplicableTypes as $action ) {
+			$expiry[$action] = $this->getExpiry( $action );
+			if( empty($this->mRestrictions[$action]) )
+				continue; // unprotected
+			if ( !$expiry[$action] ) {
 				$this->show( wfMsg( 'protect_expiry_invalid' ) );
 				return false;
 			}
-
-			// Fixme: non-qualified absolute times are not in users specified timezone
-			// and there isn't notice about it in the ui
-			$expiry = wfTimestamp( TS_MW, $expiry );
-
-			if ( $expiry < wfTimestampNow() ) {
+			if ( $expiry[$action] < wfTimestampNow() ) {
 				$this->show( wfMsg( 'protect_expiry_old' ) );
 				return false;
 			}
-
 		}
 
 		# They shouldn't be able to do this anyway, but just to make sure, ensure that cascading restrictions aren't being applied
@@ -195,15 +259,15 @@ class ProtectionForm {
 		global $wgGroupPermissions;
 
 		$edit_restriction = $this->mRestrictions['edit'];
-
+		$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' );
 		if ($this->mCascade && ($edit_restriction != 'protect') &&
 			!(isset($wgGroupPermissions[$edit_restriction]['protect']) && $wgGroupPermissions[$edit_restriction]['protect'] ) )
 			$this->mCascade = false;
 
 		if ($this->mTitle->exists()) {
-			$ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $this->mReason, $this->mCascade, $expiry );
+			$ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $reasonstr, $this->mCascade, $expiry );
 		} else {
-			$ok = $this->mTitle->updateTitleProtection( $this->mRestrictions['create'], $this->mReason, $expiry );
+			$ok = $this->mTitle->updateTitleProtection( $this->mRestrictions['create'], $reasonstr, $expiry['create'] );
 		}
 
 		if( !$ok ) {
@@ -215,7 +279,6 @@ class ProtectionForm {
 		} elseif( $this->mTitle->userIsWatching() ) {
 			$this->mArticle->doUnwatch();
 		}
-
 		return $ok;
 	}
 
@@ -225,73 +288,143 @@ class ProtectionForm {
 	 * @return $out string HTML form
 	 */
 	function buildForm() {
-		global $wgUser;
+		global $wgUser, $wgLang;
+
+		$mProtectreasonother = Xml::label( wfMsg( 'protectcomment' ), 'wpProtectReasonSelection' );
+		$mProtectreason = Xml::label( wfMsg( 'protect-otherreason' ), 'mwProtect-reason' );
 
 		$out = '';
 		if( !$this->disabled ) {
 			$out .= $this->buildScript();
-			// The submission needs to reenable the move permission selector
-			// if it's in locked mode, or some browsers won't submit the data.
-			$out .=	Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->mTitle->getLocalUrl( 'action=protect' ), 'id' => 'mw-Protect-Form', 'onsubmit' => 'protectEnable(true)' ) ) .
-				Xml::hidden( 'wpEditToken',$wgUser->editToken() );
+			$out .= Xml::openElement( 'form', array( 'method' => 'post', 
+				'action' => $this->mTitle->getLocalUrl( 'action=protect' ), 
+				'id' => 'mw-Protect-Form', 'onsubmit' => 'ProtectionForm.enableUnchainedInputs(true)' ) );
+			$out .= Xml::hidden( 'wpEditToken',$wgUser->editToken() );
 		}
 
 		$out .= Xml::openElement( 'fieldset' ) .
 			Xml::element( 'legend', null, wfMsg( 'protect-legend' ) ) .
 			Xml::openElement( 'table', array( 'id' => 'mwProtectSet' ) ) .
-			Xml::openElement( 'tbody' ) .
-			"<tr>\n";
+			Xml::openElement( 'tbody' );
 
-		foreach( $this->mRestrictions as $action => $required ) {
-			/* Not all languages have V_x <-> N_x relation */
-			$label = Xml::element( 'label',
-					array( 'for' => "mwProtect-level-$action" ),
-					wfMsg( 'restriction-' . $action ) );
-			$out .= "<th>$label</th>";
-		}
-		$out .= "</tr>
-			<tr>\n";
 		foreach( $this->mRestrictions as $action => $selected ) {
-			$out .= "<td>" .
-					$this->buildSelector( $action, $selected ) .
-				"</td>";
+			/* Not all languages have V_x <-> N_x relation */
+			$msg = wfMsg( 'restriction-' . $action );
+			if( wfEmptyMsg( 'restriction-' . $action, $msg ) ) {
+				$msg = $action;
+			}
+			$out .= "<tr><td>".
+			Xml::openElement( 'fieldset' ) .
+			Xml::element( 'legend', null, $msg ) .
+			Xml::openElement( 'table', array( 'id' => "mw-protect-table-$action" ) ) .
+				"<tr><td>" . $this->buildSelector( $action, $selected ) . "</td></tr><tr><td>";
+
+			$reasonDropDown = Xml::listDropDown( 'wpProtectReasonSelection',
+				wfMsgForContent( 'protect-dropdown' ),
+				wfMsgForContent( 'protect-otherreason-op' ), 
+				$this->mReasonSelection,
+				'mwProtect-reason', 4 );
+			$scExpiryOptions = wfMsgForContent( 'protect-expiry-options' );
+
+			$showProtectOptions = ($scExpiryOptions !== '-' && !$this->disabled);
+
+			$mProtectexpiry = Xml::label( wfMsg( 'protectexpiry' ), "mwProtectExpirySelection-$action" );
+			$mProtectother = Xml::label( wfMsg( 'protect-othertime' ), "mwProtect-$action-expires" );
+
+			$expiryFormOptions = '';
+			if ( $this->mExistingExpiry[$action] && $this->mExistingExpiry[$action] != 'infinity' ) {
+				$timestamp = $wgLang->timeanddate( $this->mExistingExpiry[$action] );
+				$d = $wgLang->date( $this->mExistingExpiry[$action] );
+				$t = $wgLang->time( $this->mExistingExpiry[$action] );
+				$expiryFormOptions .= 
+					Xml::option( 
+						wfMsg( 'protect-existing-expiry', $timestamp, $d, $t ),
+						'existing',
+						$this->mExpirySelection[$action] == 'existing'
+					) . "\n";
+			}
+			
+			$expiryFormOptions .= Xml::option( wfMsg( 'protect-othertime-op' ), "othertime" ) . "\n";
+			foreach( explode(',', $scExpiryOptions) as $option ) {
+				if ( strpos($option, ":") === false ) {
+					$show = $value = $option;
+				} else {
+					list($show, $value) = explode(":", $option);
+				}
+				$show = htmlspecialchars($show);
+				$value = htmlspecialchars($value);
+				$expiryFormOptions .= Xml::option( $show, $value, $this->mExpirySelection[$action] === $value ) . "\n";
+			}
+			# Add expiry dropdown
+			if( $showProtectOptions && !$this->disabled ) {
+				$out .= "
+					<table><tr>
+						<td class='mw-label'>
+							{$mProtectexpiry}
+						</td>
+						<td class='mw-input'>" .
+							Xml::tags( 'select',
+								array(
+									'id' => "mwProtectExpirySelection-$action",
+									'name' => "wpProtectExpirySelection-$action",
+									'onchange' => "ProtectionForm.updateExpiryList(this)",
+									'tabindex' => '2' ) + $this->disabledAttrib,
+								$expiryFormOptions ) .
+						"</td>
+					</tr></table>";
+			}
+			# Add custom expiry field
+			$attribs = array( 'id' => "mwProtect-$action-expires", 'onkeyup' => 'ProtectionForm.updateExpiry(this)' ) + $this->disabledAttrib;
+			$out .= "<table><tr>
+					<td class='mw-label'>" .
+						$mProtectother .
+					'</td>
+					<td class="mw-input">' .
+						Xml::input( "mwProtect-expiry-$action", 50, $this->mExpiry[$action], $attribs ) .
+					'</td>
+				</tr></table>';
+			$out .= "</td></tr>" .
+			Xml::closeElement( 'table' ) .
+			Xml::closeElement( 'fieldset' ) .
+			"</td></tr>";
 		}
-		$out .= "</tr>\n";
-
-		// JavaScript will add another row with a value-chaining checkbox
 
-		$out .= Xml::closeElement( 'tbody' ) .
-			Xml::closeElement( 'table' ) .
-			Xml::openElement( 'table', array( 'id' => 'mw-protect-table2' ) ) .
-			Xml::openElement( 'tbody' );
+		$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
 
+		// JavaScript will add another row with a value-chaining checkbox
 		if( $this->mTitle->exists() ) {
+			$out .= Xml::openElement( 'table', array( 'id' => 'mw-protect-table2' ) ) .
+				Xml::openElement( 'tbody' );
 			$out .= '<tr>
 					<td></td>
 					<td class="mw-input">' .
-						Xml::checkLabel( wfMsg( 'protect-cascade' ), 'mwProtect-cascade', 'mwProtect-cascade', $this->mCascade, $this->disabledAttrib ) .
+						Xml::checkLabel( wfMsg( 'protect-cascade' ), 'mwProtect-cascade', 'mwProtect-cascade', 
+							$this->mCascade, $this->disabledAttrib ) .
 					"</td>
 				</tr>\n";
+			$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
 		}
-
-		$attribs = array( 'id' => 'expires' ) + $this->disabledAttrib;
-		$out .= "<tr>
-				<td class='mw-label'>" .
-					Xml::label( wfMsgExt( 'protectexpiry', array( 'parseinline' ) ), 'expires' ) .
-				'</td>
-				<td class="mw-input">' .
-					Xml::input( 'mwProtect-expiry', 60, $this->mExpiry, $attribs ) .
-				'</td>
-			</tr>';
-
+		
+		# Add manual and custom reason field/selects as well as submit
 		if( !$this->disabled ) {
-			$id = 'mwProtect-reason';
-			$out .= "<tr>
-					<td class='mw-label'>" .
-						Xml::label( wfMsg( 'protectcomment' ), $id ) .
-					'</td>
-					<td class="mw-input">' .
-						Xml::input( $id, 60, $this->mReason, array( 'type' => 'text', 'id' => $id, 'maxlength' => 255 ) ) .
+			$out .=  Xml::openElement( 'table', array( 'id' => 'mw-protect-table3' ) ) .
+				Xml::openElement( 'tbody' );
+			$out .= "
+				<tr>
+					<td class='mw-label'>
+						{$mProtectreasonother}
+					</td>
+					<td class='mw-input'>
+						{$reasonDropDown}
+					</td>
+				</tr>
+				<tr>
+					<td class='mw-label'>
+						{$mProtectreason}
+					</td>
+					<td class='mw-input'>" .
+						Xml::input( 'mwProtect-reason', 60, $this->mReason, array( 'type' => 'text', 
+							'id' => 'mwProtect-reason', 'maxlength' => 255 ) ) .
 					"</td>
 				</tr>
 				<tr>
@@ -308,11 +441,15 @@ class ProtectionForm {
 						Xml::submitButton( wfMsg( 'confirm' ), array( 'id' => 'mw-Protect-submit' ) ) .
 					"</td>
 				</tr>\n";
+			$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
 		}
+		$out .= Xml::closeElement( 'fieldset' );
 
-		$out .= Xml::closeElement( 'tbody' ) .
-			Xml::closeElement( 'table' ) .
-			Xml::closeElement( 'fieldset' );
+		if ( $wgUser->isAllowed( 'editinterface' ) ) {
+			$linkTitle = Title::makeTitleSafe( NS_MEDIAWIKI, 'protect-dropdown' );
+			$link = $wgUser->getSkin()->Link ( $linkTitle, wfMsgHtml( 'protect-edit-reasonlist' ) );
+			$out .= '<p class="mw-protect-editreasons">' . $link . '</p>';
+		}
 
 		if ( !$this->disabled ) {
 			$out .= Xml::closeElement( 'form' ) .
@@ -324,15 +461,8 @@ class ProtectionForm {
 
 	function buildSelector( $action, $selected ) {
 		global $wgRestrictionLevels, $wgUser;
-		$id = 'mwProtect-level-' . $action;
-		$attribs = array(
-			'id' => $id,
-			'name' => $id,
-			'size' => count( $wgRestrictionLevels ),
-			'onchange' => 'protectLevelsUpdate(this)',
-			) + $this->disabledAttrib;
 
-		$out = Xml::openElement( 'select', $attribs );
+		$levels = array();
 		foreach( $wgRestrictionLevels as $key ) {
 			//don't let them choose levels above their own (aka so they can still unprotect and edit the page). but only when the form isn't disabled
 			if( $key == 'sysop' ) {
@@ -343,6 +473,19 @@ class ProtectionForm {
 				if( !$wgUser->isAllowed($key) && !$this->disabled )
 					continue;
 			}
+			$levels[] = $key;
+		}
+
+		$id = 'mwProtect-level-' . $action;
+		$attribs = array(
+			'id' => $id,
+			'name' => $id,
+			'size' => count( $levels ),
+			'onchange' => 'ProtectionForm.updateLevels(this)',
+			) + $this->disabledAttrib;
+
+		$out = Xml::openElement( 'select', $attribs );
+		foreach( $levels as $key ) {
 			$out .= Xml::option( $this->getOptionLabel( $key ), $key, $key == $selected );
 		}
 		$out .= Xml::closeElement( 'select' );
@@ -371,7 +514,7 @@ class ProtectionForm {
 		global $wgStylePath, $wgStyleVersion;
 		return Xml::tags( 'script', array(
 			'type' => 'text/javascript',
-			'src' => $wgStylePath . "/common/protect.js?$wgStyleVersion" ), '' );
+			'src' => $wgStylePath . "/common/protect.js?$wgStyleVersion.1" ), '' );
 	}
 
 	function buildCleanupScript() {
@@ -384,7 +527,15 @@ class ProtectionForm {
 			}
 		}
 		$script .= "[" . implode(',',$CascadeableLevels) . "];\n";
-		$script .= 'protectInitialize("mwProtectSet","' . Xml::escapeJsString( wfMsg( 'protect-unchain' ) ) . '","' . count($this->mApplicableTypes) . '")';
+		$options = (object)array(
+			'tableId' => 'mw-protect-table-move',
+			'labelText' => wfMsg( 'protect-unchain' ),
+			'numTypes' => count($this->mApplicableTypes),
+			'existingMatch' => 1 == count( array_unique( $this->mExistingExpiry ) ),
+		);
+		$encOptions = Xml::encodeJsVar( $options );
+
+		$script .= "ProtectionForm.init($encOptions)";
 		return Xml::tags( 'script', array( 'type' => 'text/javascript' ), $script );
 	}