setHeaders();
$this->outputHeader();
$request = $this->getRequest();
switch ( $par ) {
case 'delete':
$this->showDeleteTagForm( $request->getVal( 'tag' ) );
break;
case 'activate':
$this->showActivateDeactivateForm( $request->getVal( 'tag' ), true );
break;
case 'deactivate':
$this->showActivateDeactivateForm( $request->getVal( 'tag' ), false );
break;
case 'create':
// fall through, thanks to HTMLForm's logic
default:
$this->showTagList();
break;
}
}
function showTagList() {
$out = $this->getOutput();
$out->setPageTitle( $this->msg( 'tags-title' ) );
$out->wrapWikiMsg( "\n$1\n
", 'tags-intro' );
$user = $this->getUser();
$userCanManage = $user->isAllowed( 'managechangetags' );
$userCanEditInterface = $user->isAllowed( 'editinterface' );
// Show form to create a tag
if ( $userCanManage ) {
$fields = array(
'Tag' => array(
'type' => 'text',
'label' => $this->msg( 'tags-create-tag-name' )->plain(),
'required' => true,
),
'Reason' => array(
'type' => 'text',
'label' => $this->msg( 'tags-create-reason' )->plain(),
'size' => 50,
),
'IgnoreWarnings' => array(
'type' => 'hidden',
),
);
$form = new HTMLForm( $fields, $this->getContext() );
$form->setAction( $this->getPageTitle( 'create' )->getLocalURL() );
$form->setWrapperLegendMsg( 'tags-create-heading' );
$form->setHeaderText( $this->msg( 'tags-create-explanation' )->plain() );
$form->setSubmitCallback( array( $this, 'processCreateTagForm' ) );
$form->setSubmitTextMsg( 'tags-create-submit' );
$form->show();
// If processCreateTagForm generated a redirect, there's no point
// continuing with this, as the user is just going to end up getting sent
// somewhere else. Additionally, if we keep going here, we end up
// populating the memcache of tag data (see ChangeTags::listDefinedTags)
// with out-of-date data from the slave, because the slave hasn't caught
// up to the fact that a new tag has been created as part of an implicit,
// as yet uncommitted transaction on master.
if ( $out->getRedirect() !== '' ) {
return;
}
}
// Used to get hitcounts for #doTagRow()
$tagStats = ChangeTags::tagUsageStatistics();
// Used in #doTagRow()
$this->explicitlyDefinedTags = array_fill_keys(
ChangeTags::listExplicitlyDefinedTags(), true );
$this->extensionDefinedTags = array_fill_keys(
ChangeTags::listExtensionDefinedTags(), true );
// List all defined tags, even if they were never applied
$definedTags = array_keys( array_merge(
$this->explicitlyDefinedTags, $this->extensionDefinedTags ) );
// Show header only if there exists atleast one tag
if ( !$tagStats && !$definedTags ) {
return;
}
// Write the headers
$html = Xml::tags( 'tr', null, Xml::tags( 'th', null, $this->msg( 'tags-tag' )->parse() ) .
Xml::tags( 'th', null, $this->msg( 'tags-display-header' )->parse() ) .
Xml::tags( 'th', null, $this->msg( 'tags-description-header' )->parse() ) .
Xml::tags( 'th', null, $this->msg( 'tags-source-header' )->parse() ) .
Xml::tags( 'th', null, $this->msg( 'tags-active-header' )->parse() ) .
Xml::tags( 'th', null, $this->msg( 'tags-hitcount-header' )->parse() ) .
( $userCanManage ?
Xml::tags( 'th', array( 'class' => 'unsortable' ),
$this->msg( 'tags-actions-header' )->parse() ) :
'' )
);
// Used in #doTagRow()
$this->extensionActivatedTags = array_fill_keys(
ChangeTags::listExtensionActivatedTags(), true );
// Insert tags that have been applied at least once
foreach ( $tagStats as $tag => $hitcount ) {
$html .= $this->doTagRow( $tag, $hitcount, $userCanManage, $userCanEditInterface );
}
// Insert tags defined somewhere but never applied
foreach ( $definedTags as $tag ) {
if ( !isset( $tagStats[$tag] ) ) {
$html .= $this->doTagRow( $tag, 0, $userCanManage, $userCanEditInterface );
}
}
$out->addHTML( Xml::tags(
'table',
array( 'class' => 'mw-datatable sortable mw-tags-table' ),
$html
) );
}
function doTagRow( $tag, $hitcount, $showActions, $showEditLinks ) {
$newRow = '';
$newRow .= Xml::tags( 'td', null, Xml::element( 'code', null, $tag ) );
$disp = ChangeTags::tagDescription( $tag );
if ( $showEditLinks ) {
$disp .= ' ';
$editLink = Linker::link(
$this->msg( "tag-$tag" )->inContentLanguage()->getTitle(),
$this->msg( 'tags-edit' )->escaped()
);
$disp .= $this->msg( 'parentheses' )->rawParams( $editLink )->escaped();
}
$newRow .= Xml::tags( 'td', null, $disp );
$msg = $this->msg( "tag-$tag-description" );
$desc = !$msg->exists() ? '' : $msg->parse();
if ( $showEditLinks ) {
$desc .= ' ';
$editDescLink = Linker::link(
$this->msg( "tag-$tag-description" )->inContentLanguage()->getTitle(),
$this->msg( 'tags-edit' )->escaped()
);
$desc .= $this->msg( 'parentheses' )->rawParams( $editDescLink )->escaped();
}
$newRow .= Xml::tags( 'td', null, $desc );
$sourceMsgs = array();
$isExtension = isset( $this->extensionDefinedTags[$tag] );
$isExplicit = isset( $this->explicitlyDefinedTags[$tag] );
if ( $isExtension ) {
$sourceMsgs[] = $this->msg( 'tags-source-extension' )->escaped();
}
if ( $isExplicit ) {
$sourceMsgs[] = $this->msg( 'tags-source-manual' )->escaped();
}
if ( !$sourceMsgs ) {
$sourceMsgs[] = $this->msg( 'tags-source-none' )->escaped();
}
$newRow .= Xml::tags( 'td', null, implode( Xml::element( 'br' ), $sourceMsgs ) );
$isActive = $isExplicit || isset( $this->extensionActivatedTags[$tag] );
$activeMsg = ( $isActive ? 'tags-active-yes' : 'tags-active-no' );
$newRow .= Xml::tags( 'td', null, $this->msg( $activeMsg )->escaped() );
$hitcountLabel = $this->msg( 'tags-hitcount' )->numParams( $hitcount )->escaped();
if ( $this->getConfig()->get( 'UseTagFilter' ) ) {
$hitcountLabel = Linker::link(
SpecialPage::getTitleFor( 'Recentchanges' ),
$hitcountLabel,
array(),
array( 'tagfilter' => $tag )
);
}
// add raw $hitcount for sorting, because tags-hitcount contains numbers and letters
$newRow .= Xml::tags( 'td', array( 'data-sort-value' => $hitcount ), $hitcountLabel );
// actions
if ( $showActions ) { // we've already checked that the user had the requisite userright
$actionLinks = array();
// delete
if ( ChangeTags::canDeleteTag( $tag )->isOK() ) {
$actionLinks[] = Linker::linkKnown( $this->getPageTitle( 'delete' ),
$this->msg( 'tags-delete' )->escaped(),
array(),
array( 'tag' => $tag ) );
}
// activate
if ( ChangeTags::canActivateTag( $tag )->isOK() ) {
$actionLinks[] = Linker::linkKnown( $this->getPageTitle( 'activate' ),
$this->msg( 'tags-activate' )->escaped(),
array(),
array( 'tag' => $tag ) );
}
// deactivate
if ( ChangeTags::canDeactivateTag( $tag )->isOK() ) {
$actionLinks[] = Linker::linkKnown( $this->getPageTitle( 'deactivate' ),
$this->msg( 'tags-deactivate' )->escaped(),
array(),
array( 'tag' => $tag ) );
}
$newRow .= Xml::tags( 'td', null, $this->getLanguage()->pipeList( $actionLinks ) );
}
return Xml::tags( 'tr', null, $newRow ) . "\n";
}
public function processCreateTagForm( array $data, HTMLForm $form ) {
$context = $form->getContext();
$out = $context->getOutput();
$tag = trim( strval( $data['Tag'] ) );
$ignoreWarnings = isset( $data['IgnoreWarnings'] ) && $data['IgnoreWarnings'] === '1';
$status = ChangeTags::createTagWithChecks( $tag, $data['Reason'],
$context->getUser(), $ignoreWarnings );
if ( $status->isGood() ) {
$out->redirect( $this->getPageTitle()->getLocalURL() );
return true;
} elseif ( $status->isOK() ) {
// we have some warnings, so we show a confirmation form
$fields = array(
'Tag' => array(
'type' => 'hidden',
'default' => $data['Tag'],
),
'Reason' => array(
'type' => 'hidden',
'default' => $data['Reason'],
),
'IgnoreWarnings' => array(
'type' => 'hidden',
'default' => '1',
),
);
// fool HTMLForm into thinking the form hasn't been submitted yet. Otherwise
// we get into an infinite loop!
$context->getRequest()->unsetVal( 'wpEditToken' );
$headerText = $this->msg( 'tags-create-warnings-above', $tag,
count( $status->getWarningsArray() ) )->parseAsBlock() .
$out->parse( $status->getWikitext() ) .
$this->msg( 'tags-create-warnings-below' )->parseAsBlock();
$subform = new HTMLForm( $fields, $this->getContext() );
$subform->setAction( $this->getPageTitle( 'create' )->getLocalURL() );
$subform->setWrapperLegendMsg( 'tags-create-heading' );
$subform->setHeaderText( $headerText );
$subform->setSubmitCallback( array( $this, 'processCreateTagForm' ) );
$subform->setSubmitTextMsg( 'htmlform-yes' );
$subform->show();
$out->addBacklinkSubtitle( $this->getPageTitle() );
return true;
} else {
$out->addWikiText( "\n" . $status->getWikitext() .
"\n
" );
return false;
}
}
protected function showDeleteTagForm( $tag ) {
$user = $this->getUser();
if ( !$user->isAllowed( 'managechangetags' ) ) {
throw new PermissionsError( 'managechangetags' );
}
$out = $this->getOutput();
$out->setPageTitle( $this->msg( 'tags-delete-title' ) );
$out->addBacklinkSubtitle( $this->getPageTitle() );
// is the tag actually able to be deleted?
$canDeleteResult = ChangeTags::canDeleteTag( $tag, $user );
if ( !$canDeleteResult->isGood() ) {
$out->addWikiText( "\n" . $canDeleteResult->getWikiText() .
"\n
" );
if ( !$canDeleteResult->isOK() ) {
return;
}
}
$preText = $this->msg( 'tags-delete-explanation-initial', $tag )->parseAsBlock();
$tagUsage = ChangeTags::tagUsageStatistics();
if ( isset( $tagUsage[$tag] ) && $tagUsage[$tag] > 0 ) {
$preText .= $this->msg( 'tags-delete-explanation-in-use', $tag,
$tagUsage[$tag] )->parseAsBlock();
}
$preText .= $this->msg( 'tags-delete-explanation-warning', $tag )->parseAsBlock();
// see if the tag is in use
$this->extensionActivatedTags = array_fill_keys(
ChangeTags::listExtensionActivatedTags(), true );
if ( isset( $this->extensionActivatedTags[$tag] ) ) {
$preText .= $this->msg( 'tags-delete-explanation-active', $tag )->parseAsBlock();
}
$fields = array();
$fields['Reason'] = array(
'type' => 'text',
'label' => $this->msg( 'tags-delete-reason' )->plain(),
'size' => 50,
);
$fields['HiddenTag'] = array(
'type' => 'hidden',
'name' => 'tag',
'default' => $tag,
'required' => true,
);
$form = new HTMLForm( $fields, $this->getContext() );
$form->setAction( $this->getPageTitle( 'delete' )->getLocalURL() );
$form->tagAction = 'delete'; // custom property on HTMLForm object
$form->setSubmitCallback( array( $this, 'processTagForm' ) );
$form->setSubmitTextMsg( 'tags-delete-submit' );
$form->setSubmitDestructive(); // nasty!
$form->addPreText( $preText );
$form->show();
}
protected function showActivateDeactivateForm( $tag, $activate ) {
$actionStr = $activate ? 'activate' : 'deactivate';
$user = $this->getUser();
if ( !$user->isAllowed( 'managechangetags' ) ) {
throw new PermissionsError( 'managechangetags' );
}
$out = $this->getOutput();
// tags-activate-title, tags-deactivate-title
$out->setPageTitle( $this->msg( "tags-$actionStr-title" ) );
$out->addBacklinkSubtitle( $this->getPageTitle() );
// is it possible to do this?
$func = $activate ? 'canActivateTag' : 'canDeactivateTag';
$result = ChangeTags::$func( $tag, $user );
if ( !$result->isGood() ) {
$out->wrapWikiMsg( "\n$1" . $result->getWikiText() .
"\n
" );
if ( !$result->isOK() ) {
return;
}
}
// tags-activate-question, tags-deactivate-question
$preText = $this->msg( "tags-$actionStr-question", $tag )->parseAsBlock();
$fields = array();
// tags-activate-reason, tags-deactivate-reason
$fields['Reason'] = array(
'type' => 'text',
'label' => $this->msg( "tags-$actionStr-reason" )->plain(),
'size' => 50,
);
$fields['HiddenTag'] = array(
'type' => 'hidden',
'name' => 'tag',
'default' => $tag,
'required' => true,
);
$form = new HTMLForm( $fields, $this->getContext() );
$form->setAction( $this->getPageTitle( $actionStr )->getLocalURL() );
$form->tagAction = $actionStr;
$form->setSubmitCallback( array( $this, 'processTagForm' ) );
// tags-activate-submit, tags-deactivate-submit
$form->setSubmitTextMsg( "tags-$actionStr-submit" );
$form->addPreText( $preText );
$form->show();
}
public function processTagForm( array $data, HTMLForm $form ) {
$context = $form->getContext();
$out = $context->getOutput();
$tag = $data['HiddenTag'];
$status = call_user_func( array( 'ChangeTags', "{$form->tagAction}TagWithChecks" ),
$tag, $data['Reason'], $context->getUser(), true );
if ( $status->isGood() ) {
$out->redirect( $this->getPageTitle()->getLocalURL() );
return true;
} elseif ( $status->isOK() && $form->tagAction === 'delete' ) {
// deletion succeeded, but hooks raised a warning
$out->addWikiText( $this->msg( 'tags-delete-warnings-after-delete', $tag,
count( $status->getWarningsArray() ) )->text() . "\n" .
$status->getWikitext() );
$out->addReturnTo( $this->getPageTitle() );
return true;
} else {
$out->addWikiText( "\n" . $status->getWikitext() .
"\n
" );
return false;
}
}
protected function getGroupName() {
return 'changes';
}
}