pkp/pkp-lib#7272 Simultaneously Displaying Multilingual Metadata on t…

…he Article Landing Page
jyhein · Oct 12, 2023 · 889a42f · 889a42f
1 parent ed9c07e
commit 889a42f
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Showing 5 changed files with 161 additions and 30 deletions.
diff --git a/pages/preprint/PreprintHandler.php b/pages/preprint/PreprintHandler.php
@@ -292,6 +292,8 @@ public function view($args, $request)
                 $templateMgr->addHeader('canonical', '<link rel="canonical" href="' . $url . '">');
             }
 
+            $templateMgr->assign('pubLocData', $this->getPublicationLocaleData($publication, $context->getPrimaryLocale(), $preprint->getData('locale'), $templateMgr->getTemplateVars('activeTheme')->getOption('showMetadata') ?: []));
+
             if (!Hook::call('PreprintHandler::view', [&$request, &$preprint, $publication])) {
                 $templateMgr->display('frontend/pages/preprint.tpl');
                 event(new UsageEvent(Application::ASSOC_TYPE_SUBMISSION, $context, $preprint));
@@ -411,4 +413,43 @@ public function userCanViewGalley($request)
         }
         return false;
     }
+
+    /**
+     * For preprint details, format display data.
+     */
+    protected function getPublicationLocaleData(\APP\publication\Publication $publication, string $contextPrimaryLocale, string $submissionLocale, array $metadataOpts): array
+    {
+        $titles = $publication->getTitles('html');
+        $subtitles = $publication->getSubtitles('html');
+        $primaryLocale = isset($titles[$contextPrimaryLocale]) ? $contextPrimaryLocale : $submissionLocale;
+        $uiLocale = $contextPrimaryLocale;
+        $getOtherTitles = fn ($tt) => in_array('titles', $metadataOpts) ? array_filter($tt, fn ($locale) => $locale !== $primaryLocale, ARRAY_FILTER_USE_KEY) : [];
+        $getMdata = fn ($opt) => empty(count($mdata = array_filter($publication->getData($opt) ?? []))) || in_array($opt, $metadataOpts)
+        ? $mdata
+        : (isset($mdata[$primaryLocale]) ? [$primaryLocale => $mdata[$primaryLocale]] : [$fk = array_key_first($mdata) => $mdata[$fk]]);
+
+        $pubLocData = [
+            'title' => ['text' => $getOtherTitles($titles)],
+            'subtitle' => ['text' => $getOtherTitles($subtitles)],
+            'keywords' => ['text' => $getMdata('keywords')],
+            'abstract' => ['text' => $getMdata('abstract')],
+        ];
+
+        foreach($pubLocData as $opt => &$item) {
+            uksort($item['text'], fn ($a, $b) => $a === $primaryLocale ? -1 : ($b === $primaryLocale ? 1 : ($a < $b ? -1 : 1)));
+
+            $locales = array_keys($item['text']);
+            $hasSameHeaderLocale = in_array($opt, $metadataOpts);
+            $item['heading'] = [];
+            foreach($locales as $locale) {
+                $item['heading'][$locale] = $hasSameHeaderLocale ? $locale : $uiLocale;
+            }
+        }
+
+        $pubLocData['primaryTitle'] = $titles[$primaryLocale];
+        $pubLocData['primarySubtitle'] = $subtitles[$primaryLocale] ?? null;
+        $pubLocData['primaryLocale'] = $primaryLocale;
+
+        return $pubLocData;
+    }
 }
diff --git a/plugins/themes/default/DefaultThemePlugin.php b/plugins/themes/default/DefaultThemePlugin.php
@@ -125,6 +125,26 @@ public function init()
             'default' => 'none',
         ]);
 
+        $this->addOption('showMetadata', 'FieldOptions', [
+            'label' => __('plugins.themes.default.option.metadata.label'),
+            'description' => __('plugins.themes.default.option.metadata.description'),
+            'options' => [
+                [
+                    'value' => 'titles',
+                    'label' => __('plugins.themes.default.option.metadata.titleAndSubtitle'),
+                ],
+                [
+                    'value' => 'keywords',
+                    'label' => __('preprint.subject'),
+                ],
+                [
+                    'value' => 'abstract',
+                    'label' => __('preprint.abstract'),
+                ],
+            ],
+            'default' => [],
+        ]);
+
         // Load primary stylesheet
         $this->addStyle('stylesheet', 'styles/index.less');
 

diff --git a/plugins/themes/default/locale/en/locale.po b/plugins/themes/default/locale/en/locale.po
@@ -97,4 +97,19 @@ msgid "plugins.themes.default.nextSlide"
 msgstr "Next slide"
 
 msgid "plugins.themes.default.prevSlide"
-msgstr "Previous slide"
+msgstr "Previous slide"
+
+msgid "plugins.themes.default.option.metadata.label"
+msgstr "Show preprint metadata on the preprint landing page"
+
+msgid "plugins.themes.default.option.metadata.description"
+msgstr "Select the preprint metadata to show in other languages."
+
+msgid "plugins.themes.default.option.metadata.titleAndSubtitle"
+msgstr "Title and subtitle"
+
+msgid "plugins.themes.default.aria.multilingualSubmissionTitles"
+msgstr "Preprint titles in other languages"
+
+msgid "plugins.themes.default.titleSubtitleSeparator"
+msgstr " &mdash; "
diff --git a/plugins/themes/default/styles/objects/preprint_details.less b/plugins/themes/default/styles/objects/preprint_details.less
@@ -10,15 +10,30 @@
  */
 .obj_preprint_details {
 
-	> .page_title {
+	.page_titles {
 		margin: 0;
+
+		> .subtitle {
+			font-size: @font-base;
+			line-height: @line-lead;
+			font-weight: @normal;
+		}
 	}
 
-	> .subtitle {
-		margin: 0;
-		font-size: @font-base;
-		line-height: @line-lead;
-		font-weight: @normal;
+	.page_locale_titles {
+		margin: @quadruple 0 @triple 0;
+
+		> h2 {
+			font-size: @font-base;
+			line-height: @line-lead;
+			font-weight: @normal;
+			margin-top: 0;
+			margin-bottom: @base;
+
+			&:last-of-type {
+				margin-bottom: 0;
+			}
+		}
 	}
 
 	.row {
@@ -60,6 +75,23 @@
 				font-size: @font-bump;
 				font-weight: @bold;
 			}
+
+
+			&.keywords > section {
+				margin-bottom: @base;
+
+				&:last-of-type {
+					margin-bottom: 0;
+				}
+			}
+
+			&.abstracts .abstract {
+				margin-bottom: @quadruple;
+
+				&:last-of-type {
+					margin-bottom: 0;
+				}
+			}
 		}
 
 		.sub_item {

diff --git a/templates/frontend/objects/preprint_details.tpl b/templates/frontend/objects/preprint_details.tpl
@@ -63,6 +63,7 @@
  * @uses $licenseUrl string URL to license. Only assigned if license should be
  *   included with published submissions.
  * @uses $ccLicenseBadge string An image and text with details about the license
+ * @uses $pubLocData array Array of formatted publication locale metadata: titles, abstracts, keywords,
  *}
 <article class="obj_preprint_details">
 
@@ -108,14 +109,26 @@
 	<span class="separator">{translate key="navigation.breadcrumbSeparator"}</span>
 	<span class="preprint_version">{translate key="publication.version" version=$publication->getData('version')}</span>
 
-	<h1 class="page_title">
-		{$publication->getLocalizedTitle(null, 'html')|strip_unsafe_html}
-	</h1>
+	<hgroup class="page_titles">
+		<h1 class="page_title" lang="{$pubLocData.primaryLocale|replace:"_":"-"}">
+			{$pubLocData.primaryTitle|strip_unsafe_html}
+		</h1>
+		{if $pubLocData.primarySubtitle}
+			<h2 class="subtitle" lang="{$pubLocData.primaryLocale|replace:"_":"-"}">
+				{$pubLocData.primarySubtitle|strip_unsafe_html}
+			</h2>
+		{/if}
+	</hgroup>
 
-	{if $publication->getLocalizedData('subtitle')}
-		<h2 class="subtitle">
-			{$publication->getLocalizedSubTitle(null, 'html')|strip_unsafe_html}
-		</h2>
+	{if !empty(count($pubLocData.title.text))}
+		<hgroup class="page_locale_titles" aria-label="{translate key="plugins.themes.default.aria.multilingualSubmissionTitles"}">
+		{foreach from=$pubLocData.title.text key=locale item=title}
+			<h2 lang="{$locale|replace:"_":"-"}">
+				{$title|strip_unsafe_html}
+				{if isset($pubLocData.subtitle.text[$locale])}{translate key="plugins.themes.default.titleSubtitleSeparator"}{$pubLocData.subtitle.text[$locale]|strip_unsafe_html}{/if}
+			</h2>
+		{/foreach}
+		</hgroup>
 	{/if}
 
 	<div class="row">
@@ -168,25 +181,35 @@
 			{/if}
 
 			{* Keywords *}
-			{if !empty($publication->getLocalizedData('keywords'))}
-			<section class="item keywords">
-				<h2 class="label">
-					{capture assign=translatedKeywords}{translate key="preprint.subject"}{/capture}
-					{translate key="semicolon" label=$translatedKeywords}
-				</h2>
-				<span class="value">
-					{foreach name="keywords" from=$publication->getLocalizedData('keywords') item="keyword"}
-						{$keyword|escape}{if !$smarty.foreach.keywords.last}{translate key="common.commaListSeparator"}{/if}
-					{/foreach}
-				</span>
-			</section>
+			{if !empty(count($pubLocData.keywords.text))}
+				<section class="item keywords">
+				{foreach from=$pubLocData.keywords.text key=locale item=keywords}
+					<section>
+						<h2 class="label" lang="{$pubLocData.keywords.header[$locale]|replace:"_":"-"}">
+							{capture assign=translatedKeywords}{translate key="preprint.subject" locale=$pubLocData.keywords.header[$locale]}{/capture}
+							{translate key="semicolon" label=$translatedKeywords locale=$pubLocData.keywords.header[$locale]}
+						</h2>
+						<span class="value" lang="{$locale|replace:"_":"-"}">
+						{foreach name="keywords" from=$keywords item="keyword"}
+							{$keyword|escape}{if !$smarty.foreach.keywords.last}{translate key="common.commaListSeparator" locale=$pubLocData.keywords.header[$locale]}{/if}
+						{/foreach}
+						</span>
+					</section>
+				{/foreach}
+				</section>
 			{/if}
 
 			{* Abstract *}
-			{if $publication->getLocalizedData('abstract')}
-				<section class="item abstract">
-					<h2 class="label">{translate key="common.abstract"}</h2>
-					{$publication->getLocalizedData('abstract')|strip_unsafe_html}
+			{if !empty(count($pubLocData.abstract.text))}
+				<section class="item abstracts">
+				{foreach from=$pubLocData.abstract.text key=locale item=abstract}
+					<section class="abstract">
+						<h2 class="label" lang="{$pubLocData.abstract.header[$locale]|replace:"_":"-"}">
+							{translate key="preprint.abstract" locale=$pubLocData.abstract.header[$locale]}
+						</h2>
+						<span lang="{$locale|replace:"_":"-"}">{$abstract|strip_unsafe_html}</span>
+					</section>
+				{/foreach}
 				</section>
 			{/if}