Error handling and cleanup

Author: ctgraham

InlineHtmlGalleyBlockPlugin.inc.php

@@ -115,7 +115,7 @@ function getContents($templateMgr, $request = null) {
 			if ($router->getRequestedPage($request) === 'article' && $router->getRequestedOp($request) === 'view') {
 				$submission = $templateMgr->getTemplateVars('article');
 				$galley = $templateMgr->getTemplateVars('galley');
-				if ($submission && $galley) {
+				if ($submission && $galley && $galley->getFileType() == 'text/html') {
 					$templateMgr->assign('submissionId', $submission->getBestArticleId());
 					$templateMgr->assign('galleyId', $galley->getBestGalleyId());
 					return parent::getContents($templateMgr);

InlineHtmlGalleyPlugin.inc.php

@@ -88,6 +88,9 @@ function articleViewCallback($hookName, $args) {
 	function _extractBodyContents($html) {
 		$bodyContent = '';
 		try {
+			if (!function_exists('libxml_use_internal_errors') || !class_exists('DOMDocument')) {
+				throw new Exception('Missing libxml/dom requirements');
+			}
 			$errorsEnabled = libxml_use_internal_errors();
 			libxml_use_internal_errors(true);
 			$dom = DOMDocument::loadHTML($html);

README.md

@@ -28,7 +28,9 @@ php lib/pkp/tools/installPluginVersion.php plugins/generic/inlineHtmlGalley/vers
 
 Login as a Journal Manger and navigate to the Journal for which you wish to use inline display of HTML Galleys.  Enable the plugin via Login -> Settings -> Website -> Plugins -> Inline HTML Galley -> Enable.
 
-There is no settings configuration for this plugin.  Once enabled, the view of an HTML Galley will extract the HTML `body` from the Galley and will place it inline in the Galley view.  You will need to replicate any CSS or Javascript directives used in the `head` of the Galley in your website configuration.  (Hint: see the Custom Headers plugin.)
+There are no settings to configure for this plugin.  Once enabled, the view of an HTML Galley will extract the HTML `body` from the Galley and will place it inline in the Galley view.  You will need to replicate any CSS or Javascript directives used in the `head` of the Galley in your website configuration.  (Hint: see the Custom Headers plugin.)
+
+The template will provide a link to the "download" handler for the galley above the extracted text of the Galley.  The plugin also provides a sidebar block to link to the download, which may be enabled and positioned via the Website Settings.
 
 ## Author / License