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<?php
/**
* Handles the formcreate action - used for helper forms for creating
* properties, forms, etc..
*
* @author Yaron Koren
* @file
* @ingroup SF
*/
class SFHelperFormAction extends Action
{
/**
* Return the name of the action this object responds to
* @return String lowercase
*/
public function getName(){
return 'formcreate';
}
/**
* The main action entry point. Do all output for display and send it to the context
* output. Do not use globals $wgOut, $wgRequest, etc, in implementations; use
* $this->getOutput(), etc.
* @throws ErrorPageError
*/
public function show(){
return self::displayForm($this, $this->page);
}
/**
* Execute the action in a silent fashion: do not display anything or release any errors.
* @return Bool whether execution was successful
*/
public function execute(){
return true;
}
/**
* Adds an "action" (i.e., a tab) to edit the current article with
* a form
*/
static function displayTab( $obj, &$content_actions ) {
if ( method_exists ( $obj, 'getTitle' ) ) {
$title = $obj->getTitle();
} else {
$title = $obj->mTitle;
}
// Make sure that this page is in one of the relevant
// namespaces, and that it doesn't exist yet.
if ( !isset( $title ) ||
( !in_array( $title->getNamespace(), array( SMW_NS_PROPERTY, NS_TEMPLATE, SF_NS_FORM, NS_CATEGORY ) ) ) ) {
return true;
}
if ( $title->exists() ) {
return true;
}
// The tab should show up automatically for properties and
// forms, but not necessarily for templates and categories,
// since some of them might be outside of the SMW/SF system.
if ( in_array( $title->getNamespace(), array( NS_TEMPLATE, NS_CATEGORY ) ) ) {
global $sfgShowTabsForAllHelperForms;
if ( !$sfgShowTabsForAllHelperForms ) { return true; }
}
global $wgRequest, $wgUser;
if ( $wgUser->isAllowed( 'edit' ) && $title->userCan( 'edit' ) ) {
$form_create_tab_text = 'sf_formcreate';
} else {
$form_create_tab_text = 'sf_viewform';
}
$class_name = ( $wgRequest->getVal( 'action' ) == 'formcreate' ) ? 'selected' : '';
$form_create_tab = array(
'class' => $class_name,
'text' => wfMessage( $form_create_tab_text )->text(),
'href' => $title->getLocalURL( 'action=formcreate' )
);
// Find the location of the 'create' tab, and add 'create
// with form' right before it.
// This is a "key-safe" splice - it preserves both the keys
// and the values of the array, by editing them separately
// and then rebuilding the array. Based on the example at
// http://us2.php.net/manual/en/function.array-splice.php#31234
$tab_keys = array_keys( $content_actions );
$tab_values = array_values( $content_actions );
$edit_tab_location = array_search( 'edit', $tab_keys );
// If there's no 'edit' tab, look for the 'view source' tab
// instead.
if ( $edit_tab_location == null ) {
$edit_tab_location = array_search( 'viewsource', $tab_keys );
}
// This should rarely happen, but if there was no edit *or*
// view source tab, set the location index to -1, so the
// tab shows up near the end.
if ( $edit_tab_location == null ) {
$edit_tab_location = - 1;
}
array_splice( $tab_keys, $edit_tab_location, 0, 'form_edit' );
array_splice( $tab_values, $edit_tab_location, 0, array( $form_create_tab ) );
$content_actions = array();
for ( $i = 0; $i < count( $tab_keys ); $i++ ) {
$content_actions[$tab_keys[$i]] = $tab_values[$i];
}
global $wgUser;
if ( ! $wgUser->isAllowed( 'viewedittab' ) ) {
// The tab can have either of these two actions.
unset( $content_actions['edit'] );
unset( $content_actions['viewsource'] );
}
return true; // always return true, in order not to stop MW's hook processing!
}
/**
* Like displayTab(), but called with a different hook - this one is
* called for the 'Vector' skin, and others.
*/
static function displayTab2( $obj, &$links ) {
// the old '$content_actions' array is thankfully just a
// sub-array of this one
return self::displayTab( $obj, $links['views'] );
}
/**
* The function called if we're in index.php (as opposed to one of the
* special pages).
*/
static function displayForm( $action, $article ) {
$title = $article->getTitle();
if ( $title->getNamespace() == SMW_NS_PROPERTY ) {
$createPropertyPage = new SFCreateProperty();
$createPropertyPage->execute( $title->getText() );
} elseif ( $title->getNamespace() == NS_TEMPLATE ) {
$createTemplatePage = new SFCreateTemplate();
$createTemplatePage->execute( $title->getText() );
} elseif ( $title->getNamespace() == SF_NS_FORM ) {
$createFormPage = new SFCreateForm();
$createFormPage->execute( $title->getText() );
} elseif ( $title->getNamespace() == NS_CATEGORY ) {
$createCategoryPage = new SFCreateCategory();
$createCategoryPage->execute( $title->getText() );
}
return false;
}
}
|
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