Moved widget-rendering functions into a new file, WidgetRenderer.php, for greater modularity
This commit is contained in:
Yaron Koren
Родитель
f0a6dbe8eb
Коммит
e277b3f1d0
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@ -0,0 +1,193 @@
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<?php
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/**
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* Class holding functions for displaying widgets.
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*/
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if ( !defined( 'MEDIAWIKI' ) ) {
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echo "This file is not a valid entry point.";
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exit( 1 );
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}
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class WidgetRenderer {
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public static function renderWidget ( &$parser, $widgetName ) {
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global $IP;
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$smarty = new Smarty;
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$smarty->left_delimiter = '<!--{';
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$smarty->right_delimiter = '}-->';
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$smarty->compile_dir = "$IP/extensions/Widgets/compiled_templates/";
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// registering custom Smarty plugins
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$smarty->plugins_dir[] = "$IP/extensions/Widgets/smarty_plugins/";
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$smarty->security = true;
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$smarty->security_settings = array(
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'IF_FUNCS' => array(
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'is_array',
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'isset',
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'array',
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'list',
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'count',
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'sizeof',
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'in_array',
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'true',
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'false',
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'null'
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),
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'MODIFIER_FUNCS' => array( 'validate' )
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);
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// register the resource name "db"
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$smarty->register_resource(
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'wiki',
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array(
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'WidgetRenderer::wiki_get_template',
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'WidgetRenderer::wiki_get_timestamp',
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'WidgetRenderer::wiki_get_secure',
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'WidgetRenderer::wiki_get_trusted'
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)
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);
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$params = func_get_args();
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array_shift( $params ); # first one is parser - we don't need it
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array_shift( $params ); # second one is widget name
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$params_tree = array();
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foreach ( $params as $param ) {
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$pair = explode('=', $param, 2);
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if ( count( $pair ) == 2 ) {
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$key = trim($pair[0]);
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$val = trim($pair[1]);
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} else {
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$key = $param;
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$val = true;
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}
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if ( $val == 'false' ) {
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$val = false;
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}
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/* If the name of the parameter has object notation
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a.b.c.d
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then we assign stuff to hash of hashes, not scalar
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*/
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$keys = explode( '.', $key );
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// $subtree will be moved from top to the bottom and at the end will point to the last level
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$subtree =& $params_tree;
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// go throught all the keys but last one
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$last_key = array_pop( $keys );
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foreach ( $keys as $subkey ) {
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// if next level of subtree doesn't exist yet, create an empty one
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if ( !array_key_exists( $subkey, $subtree ) ) {
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$subtree[$subkey] = array();
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}
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// move to the lower level
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$subtree =& $subtree[$subkey];
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}
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// last portion of the key points to itself
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if ( isset( $subtree[$last_key] ) ) {
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// if already an array, push into it, otherwise, convert into array first
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if ( !is_array( $subtree[$last_key] ) ) {
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$subtree[$last_key] = array( $subtree[$last_key] );
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}
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$subtree[$last_key][] = $val;
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} else {
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// doesn't exist yet, just setting a value
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$subtree[$last_key] = $val;
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}
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}
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$smarty->assign( $params_tree );
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try {
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$output = $smarty->fetch( "wiki:$widgetName" );
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} catch ( Exception $e ) {
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wfLoadExtensionMessages( 'Widgets' );
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return '<div class=\"error\">' . wfMsgExt( 'widgets-desc', array( 'parsemag' ), htmlentities($widgetName) ) . '</div>';
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}
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// Hide the widget from the parser
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$output = 'ENCODED_CONTENT '.base64_encode($output).' END_ENCODED_CONTENT';
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return $output;
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}
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public static function processEncodedWidgetOutput( &$out, &$text ) {
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// Find all hidden content and restore to normal
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$text = preg_replace(
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'/ENCODED_CONTENT ([0-9a-zA-Z\/+]+=*)* END_ENCODED_CONTENT/esm',
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'base64_decode("$1")',
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$text
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);
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return true;
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}
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// the following four functions are all registered with Smarty
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public static function wiki_get_template( $widgetName, &$widgetCode, &$smarty_obj ) {
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global $wgWidgetsUseFlaggedRevs;
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$widgetTitle = Title::newFromText($widgetName, NS_WIDGET);
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if ( $widgetTitle && $widgetTitle->exists() ) {
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if ($wgWidgetsUseFlaggedRevs)
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{
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$flaggedWidgetArticle = FlaggedArticle::getTitleInstance( $widgetTitle );
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$flaggedWidgetArticleRevision = $flaggedWidgetArticle->getStableRev();
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if ($flaggedWidgetArticleRevision)
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{
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$widgetCode = $flaggedWidgetArticleRevision->getRevText();
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}
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else
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{
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$widgetCode = '';
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}
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}
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else
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{
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$widgetArticle = new Article( $widgetTitle, 0 );
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$widgetCode = $widgetArticle->getContent();
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}
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// Remove <noinclude> sections and <includeonly> tags from form definition
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$widgetCode = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $widgetCode );
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$widgetCode = strtr( $widgetCode, array( '<includeonly>' => '', '</includeonly>' => '' ) );
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return true;
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} else {
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return false;
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}
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}
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public static function wiki_get_timestamp( $widgetName, &$widgetTimestamp, &$smarty_obj ) {
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$widgetTitle = Title::newFromText( $widgetName, NS_WIDGET );
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if ($widgetTitle && $widgetTitle->exists()) {
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$widgetArticle = new Article( $widgetTitle, 0 );
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$widgetTimestamp = $widgetArticle->getTouched();
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return true;
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} else {
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return false;
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}
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}
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public static function wiki_get_secure( $tpl_name, &$smarty_obj ) {
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// assume all templates are secure
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return true;
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}
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public static function wiki_get_trusted( $tpl_name, &$smarty_obj ) {
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// not used for templates
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}
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}
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174
Widgets.php
174
Widgets.php
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@ -16,7 +16,7 @@ $wgExtensionCredits['parserhook'][] = array(
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'path' => __FILE__,
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'name' => 'Widgets',
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'descriptionmsg' => 'widgets-desc',
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'version' => '0.9.1-dev',
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'version' => '0.9.1',
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'author' => '[http://www.sergeychernyshev.com Sergey Chernyshev]',
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'url' => 'http://www.mediawiki.org/wiki/Extension:Widgets'
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);
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@ -51,6 +51,7 @@ $dir = dirname( __FILE__ ) . '/';
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// Initialize Smarty
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require_once( $dir . 'smarty/Smarty.class.php' );
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$wgExtensionMessagesFiles['Widgets'] = $dir . 'Widgets.i18n.php';
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$wgAutoloadClasses['WidgetRenderer'] = $dir . 'WidgetRenderer.php';
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if( defined('MW_SUPPORTS_LOCALISATIONCACHE') ) {
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$wgExtensionMessagesFiles['WidgetsMagic'] = $dir . 'Widgets.i18n.magic.php';
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@ -73,124 +74,11 @@ $wgHooks['ParserFirstCallInit'][] = 'widgetParserFunctions';
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$wgHooks['ParserAfterTidy'][] = 'processEncodedWidgetOutput';
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function widgetParserFunctions( &$parser ) {
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$parser->setFunctionHook( 'widget', 'renderWidget' );
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$parser->setFunctionHook( 'widget', array( 'WidgetRenderer', 'renderWidget' ) );
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return true;
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}
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function renderWidget ( &$parser, $widgetName ) {
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global $IP;
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$smarty = new Smarty;
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$smarty->left_delimiter = '<!--{';
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$smarty->right_delimiter = '}-->';
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$smarty->compile_dir = "$IP/extensions/Widgets/compiled_templates/";
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// registering custom Smarty plugins
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$smarty->plugins_dir[] = "$IP/extensions/Widgets/smarty_plugins/";
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$smarty->security = true;
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$smarty->security_settings = array(
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'IF_FUNCS' => array(
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'is_array',
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'isset',
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'array',
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'list',
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'count',
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'sizeof',
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'in_array',
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'true',
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'false',
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'null'
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),
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'MODIFIER_FUNCS' => array( 'validate' )
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);
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// register the resource name "db"
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$smarty->register_resource(
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'wiki',
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array(
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'wiki_get_template',
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'wiki_get_timestamp',
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'wiki_get_secure',
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'wiki_get_trusted'
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)
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);
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$params = func_get_args();
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array_shift( $params ); # first one is parser - we don't need it
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array_shift( $params ); # second one is widget name
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$params_tree = array();
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foreach ( $params as $param ) {
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$pair = explode('=', $param, 2);
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if ( count( $pair ) == 2 ) {
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$key = trim($pair[0]);
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$val = trim($pair[1]);
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} else {
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$key = $param;
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$val = true;
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}
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if ( $val == 'false' ) {
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$val = false;
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}
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/* If the name of the parameter has object notation
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a.b.c.d
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then we assign stuff to hash of hashes, not scalar
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*/
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$keys = explode( '.', $key );
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// $subtree will be moved from top to the bottom and at the end will point to the last level
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$subtree =& $params_tree;
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// go throught all the keys but last one
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$last_key = array_pop( $keys );
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foreach ( $keys as $subkey ) {
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// if next level of subtree doesn't exist yet, create an empty one
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if ( !array_key_exists( $subkey, $subtree ) ) {
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$subtree[$subkey] = array();
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}
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// move to the lower level
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$subtree =& $subtree[$subkey];
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}
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// last portion of the key points to itself
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if ( isset( $subtree[$last_key] ) ) {
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// if already an array, push into it, otherwise, convert into array first
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if ( !is_array( $subtree[$last_key] ) ) {
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$subtree[$last_key] = array( $subtree[$last_key] );
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}
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$subtree[$last_key][] = $val;
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} else {
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// doesn't exist yet, just setting a value
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$subtree[$last_key] = $val;
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}
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}
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$smarty->assign( $params_tree );
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try {
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$output = $smarty->fetch( "wiki:$widgetName" );
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} catch ( Exception $e ) {
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wfLoadExtensionMessages( 'Widgets' );
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return '<div class=\"error\">' . wfMsgExt( 'widgets-desc', array( 'parsemag' ), htmlentities($widgetName) ) . '</div>';
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}
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// Hide the widget from the parser
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$output = 'ENCODED_CONTENT '.base64_encode($output).' END_ENCODED_CONTENT';
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return $output;
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}
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function processEncodedWidgetOutput( &$out, &$text ) {
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// Find all hidden content and restore to normal
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$text = preg_replace(
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@ -215,59 +103,3 @@ function widgetNamespacesInit() {
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$wgNamespaceProtection[NS_WIDGET] = array( 'editwidgets' );
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}
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}
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// put these function somewhere in your application
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function wiki_get_template( $widgetName, &$widgetCode, &$smarty_obj ) {
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global $wgWidgetsUseFlaggedRevs;
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$widgetTitle = Title::newFromText($widgetName, NS_WIDGET);
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if ( $widgetTitle && $widgetTitle->exists() ) {
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if ($wgWidgetsUseFlaggedRevs)
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{
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$flaggedWidgetArticle = FlaggedArticle::getTitleInstance( $widgetTitle );
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$flaggedWidgetArticleRevision = $flaggedWidgetArticle->getStableRev();
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if ($flaggedWidgetArticleRevision)
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{
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$widgetCode = $flaggedWidgetArticleRevision->getRevText();
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}
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else
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{
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$widgetCode = '';
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}
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}
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else
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{
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$widgetArticle = new Article( $widgetTitle, 0 );
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$widgetCode = $widgetArticle->getContent();
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}
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// Remove <noinclude> sections and <includeonly> tags from form definition
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$widgetCode = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $widgetCode );
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$widgetCode = strtr( $widgetCode, array( '<includeonly>' => '', '</includeonly>' => '' ) );
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return true;
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} else {
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return false;
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}
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}
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function wiki_get_timestamp( $widgetName, &$widgetTimestamp, &$smarty_obj ) {
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$widgetTitle = Title::newFromText( $widgetName, NS_WIDGET );
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if ($widgetTitle && $widgetTitle->exists()) {
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$widgetArticle = new Article( $widgetTitle, 0 );
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$widgetTimestamp = $widgetArticle->getTouched();
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return true;
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} else {
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return false;
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}
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}
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function wiki_get_secure( $tpl_name, &$smarty_obj ) {
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// assume all templates are secure
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return true;
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}
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function wiki_get_trusted( $tpl_name, &$smarty_obj ) {
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// not used for templates
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}
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