Load linked resource interface asynchronously

application/asset/js/linked-resources.js

@@ -0,0 +1,54 @@
+$(document).ready(function () {
+
+    // Render linked resources.
+    const renderLinkedResources = function(page, resourceProperty) {
+        const url = container.data('url');
+        const siteId = container.data('siteId');
+        const query = {};
+        if (siteId) {
+            query.site_id = siteId;
+        }
+        if (page) {
+            query.page = page;
+        }
+        if (resourceProperty) {
+            query.resource_property = resourceProperty
+        }
+        $.get(url, query, function(data) {
+            container.html(data);
+        });
+    };
+
+    // Render linked resources on initial load.
+    const container = $('#linked-resources-container');
+    renderLinkedResources();
+
+    // Handle next and previous clicks.
+    $(container).on('click', 'a.next, a.previous', function(e) {
+        e.preventDefault();
+        const thisButton = $(this);
+        // Note that we can use any base URL for this purpose.
+        const url = new URL(thisButton.attr('href'), 'http://foo');
+        renderLinkedResources(
+            url.searchParams.get('page'),
+            url.searchParams.get('resource_property')
+        );
+    });
+
+    // Handle page form submission.
+    $(container).on('submit', 'form', function(e) {
+        e.preventDefault();
+        const thisForm = $(this);
+        const searchParams = new URLSearchParams(thisForm.serialize());
+        renderLinkedResources(
+            searchParams.get('page'),
+            searchParams.get('resource_property')
+        );
+    });
+
+    // Handle resource property select.
+    $(container).on('change', '#resource-property-select', function(e) {
+        const thisSelect = $(this);
+        renderLinkedResources('1', thisSelect.val());
+    });
+});

application/config/module.config.php

@@ -363,6 +363,7 @@
             'Omeka\Controller\Admin\Item' => Service\Controller\Admin\ItemControllerFactory::class,
             'Omeka\Controller\SiteAdmin\Index' => Service\Controller\SiteAdmin\IndexControllerFactory::class,
             'Omeka\Controller\Site\Page' => Service\Controller\Site\PageControllerFactory::class,
+            'Omeka\Controller\LinkedResources' => Service\Controller\LinkedResourcesControllerFactory::class,
         ],
     ],
     'controller_plugins' => [
@@ -489,6 +490,7 @@
             'passwordRequirements' => Service\ViewHelper\PasswordRequirementsFactory::class,
             'resourcePageBlocks' => Service\ViewHelper\ResourcePageBlocksFactory::class,
             'browse' => Service\ViewHelper\BrowseFactory::class,
+            'linkedResources' => Service\ViewHelper\LinkedResourcesFactory::class,
         ],
         'shared' => [
             'resourcePageBlocks' => false,

application/config/routes.config.php

@@ -377,6 +377,19 @@
                     ],
                 ],
             ],
+            'linked-resources' => [
+                'type' => \Laminas\Router\Http\Segment::class,
+                'options' => [
+                    'route' => '/linked-resources/:resource-id',
+                    'defaults' => [
+                        'controller' => 'Omeka\Controller\LinkedResources',
+                        'action' => 'index',
+                    ],
+                    'constraints' => [
+                        'resource-id' => '\d+',
+                    ],
+                ],
+            ],
         ],
     ],
 ];

application/src/Controller/LinkedResourcesController.php

@@ -0,0 +1,22 @@
+<?php
+namespace Omeka\Controller;
+
+use Laminas\Mvc\Controller\AbstractActionController;
+use Laminas\View\Model\ViewModel;
+
+class LinkedResourcesController extends AbstractActionController
+{
+    public function __construct()
+    {
+    }
+
+    public function indexAction()
+    {
+        $resource = $this->api()->read('resources', $this->params('resource-id'))->getContent();
+
+        $view = new ViewModel;
+        $view->setTerminal(true);
+        $view->setVariable('resource', $resource);
+        return $view;
+    }
+}

application/src/Service/Controller/LinkedResourcesControllerFactory.php

@@ -0,0 +1,14 @@
+<?php
+namespace Omeka\Service\Controller;
+
+use Interop\Container\ContainerInterface;
+use Omeka\Controller\LinkedResourcesController;
+use Laminas\ServiceManager\Factory\FactoryInterface;
+
+class LinkedResourcesControllerFactory implements FactoryInterface
+{
+    public function __invoke(ContainerInterface $services, $requestedName, array $options = null)
+    {
+        return new LinkedResourcesController;
+    }
+}

application/src/Service/ViewHelper/LinkedResourcesFactory.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Omeka\Service\ViewHelper;
+
+use Omeka\View\Helper\LinkedResources;
+use Laminas\ServiceManager\Factory\FactoryInterface;
+use Interop\Container\ContainerInterface;
+
+class LinkedResourcesFactory implements FactoryInterface
+{
+    public function __invoke(ContainerInterface $services, $requestedName, array $options = null)
+    {
+        return new LinkedResources;
+    }
+}

application/src/View/Helper/LinkedResources.php

@@ -0,0 +1,23 @@
+<?php
+namespace Omeka\View\Helper;
+
+use Laminas\View\Helper\AbstractHelper;
+use Omeka\Api\Representation\AbstractResourceEntityRepresentation;
+
+class LinkedResources extends AbstractHelper
+{
+    public function __construct()
+    {
+    }
+
+    public function __invoke(AbstractResourceEntityRepresentation $resource, int $siteId = null)
+    {
+        $view = $this->getView();
+        $view->headScript()->appendFile($view->assetUrl('js/linked-resources.js', 'Omeka'));
+        return sprintf(
+            '<div id="linked-resources-container" data-url="%s" data-site-id="%s"></div>',
+            $view->url('linked-resources', ['resource-id' => $resource->id()]),
+            $view->escapeHtml($siteId)
+        );
+    }
+}

application/view/common/linked-resources.phtml

@@ -93,14 +93,3 @@ $caption = sprintf(
 <?php echo ($totalCount > $perPage) ? '<div class="linked-footer">' . $pagination . '</div>' : ''; ?>
 
 </div>
-
-<script>
-const propertySelect = $('#resource-property-select');
-const url = propertySelect.data('url');
-const fragment = propertySelect.data('fragment');
-propertySelect.on('change', function(e) {
-    const selectedOption = propertySelect.find(':selected');
-    const resourceProperty = selectedOption.val();
-    window.location = url + '?' + $.param({resource_property: resourceProperty}) + '#' + fragment;
-});
-</script>

application/view/common/resource-page-block-layout/linked-resources.phtml

@@ -1,17 +1,9 @@
 <?php
-$options = [
-    'page' => $this->params()->fromQuery('page', 1),
-    'perPage' => 25,
-    'resourceProperty' => $this->params()->fromQuery('resource_property'),
-];
+$siteId = null;
 if ($this->siteSetting('exclude_resources_not_in_site')) {
-    $options['siteId'] = $this->currentSite()->id();
+    $siteId = $this->currentSite()->id();
 }
-$subjectValues = $resource->displaySubjectValues($options);
 ?>
-<?php if ($subjectValues): ?>
-<div id="resources-linked">
-    <h3><?php echo $this->translate('Linked resources'); ?></h3>
-    <?php echo $subjectValues; ?>
-</div>
+<?php if ($resource->subjectValueTotalCount(null, null, $siteId)): ?>
+<?php echo $this->linkedResources($resource, $siteId); ?>
 <?php endif; ?>

application/view/omeka/admin/item-set/show.phtml

@@ -49,18 +49,12 @@ $sectionNavs = [
 
 <div id="resources-linked" class="section">
     <?php if ($itemSet->subjectValueTotalCount()): ?>
-        <p><?php echo $translate('The following resources link to this item set:'); ?></p>
-        <?php echo $itemSet->displaySubjectValues([
-            'page' => $this->params()->fromQuery('page', 1),
-            'perPage' => 25,
-            'resourceProperty' => $this->params()->fromQuery('resource_property'),
-        ]); ?>
+    <?php echo $this->linkedResources($itemSet); ?>
     <?php else: ?>
-        <div class="no-resources">
-            <p><?php echo $translate('No resources link to this item set.'); ?></p>
-        </div>
-    <?php endif; ?>
-</div>
+    <div class="no-resources">
+        <p><?php echo $translate('No resources link to this item set.'); ?></p>
+    </div>
+<?php endif; ?>
 
 <div class="active sidebar">
     <div class="meta-group">

application/view/omeka/admin/item/show.phtml

@@ -39,16 +39,13 @@ $itemMedia = $item->media();
 
 <div id="resources-linked" class="section">
     <?php if ($item->subjectValueTotalCount()): ?>
-        <?php echo $item->displaySubjectValues([
-            'page' => $this->params()->fromQuery('page', 1),
-            'perPage' => 25,
-            'resourceProperty' => $this->params()->fromQuery('resource_property'),
-        ]); ?>
+    <?php echo $this->linkedResources($item); ?>
     <?php else: ?>
-        <div class="no-resources">
-            <p><?php echo $translate('No resources link to this item.'); ?></p>
-        </div>
-    <?php endif; ?>
+    <div class="no-resources">
+        <p><?php echo $translate('No resources link to this item.'); ?></p>
+    </div>
+<?php endif; ?>
+
 </div>
 
 <div class="sidebar active">

application/view/omeka/linked-resources/index.phtml

@@ -0,0 +1,5 @@
+<?php echo $resource->displaySubjectValues([
+    'page' => $this->params()->fromQuery('page', 1),
+    'perPage' => 25,
+    'resourceProperty' => $this->params()->fromQuery('resource_property'),
+]); ?>