resourcespace/include/related_resources.php

<?php
global $baseurl,$baseurl_short,$enable_related_resources, $edit_access, $title_field;
$view_title_field = $title_field;

if ($enable_related_resources) {
    $use_watermark = check_use_watermark();
    $relatedresources = do_search('!related' . $ref);
    $related_restypes = array();

    for ($n = 0; $n < count($relatedresources); $n++) {
        $related_restypes[] = $relatedresources[$n]['resource_type'];
    }

    $related_restypes = array_unique($related_restypes);
    $relatedtypes_shown = array();
    $related_resources_shown = 0;

    global $related_type_show_with_data, $related_type_upload_link, $userref;
    if (isset($related_type_show_with_data)) {
        foreach ($related_type_show_with_data as $rtype) {
            # Is this a resource type that needs to be displayed? Don't show resources of the same type as this is not the standard configuration
            if ($resource['resource_type'] == $rtype || !in_array($rtype, $related_type_show_with_data) || (!in_array($rtype, $related_restypes) && !$related_type_upload_link)) {
                continue;
            }

            // Show only related resource types that match this tab:
            $resource_type_tab_ref = ps_value('SELECT tab AS value FROM resource_type WHERE ref = ?', ['i', $rtype], '', 'schema');
            if ($tab_ref !== $resource_type_tab_ref) {
                continue;
            }
            $restypename = ps_value("select name as value from resource_type where ref = ?", array("i",$rtype), "", "schema");
            $restypename = lang_or_i18n_get_translated($restypename, "resourcetype-", "-2");

            if (isset($related_type_thumbnail_view) && in_array($rtype, $related_type_thumbnail_view)) {
                foreach ($relatedresources as $relatedresource) {
                    if ($relatedresource['resource_type'] == $rtype) {
                        ?>
                        <div class="ResourcePanelShellSmall" id="RelatedResource_<?php echo $relatedresource["ref"]; ?>">
                            <a class="ImageWrapperSmall" href="<?php echo $baseurl_short ?>pages/view.php?ref=<?php echo $relatedresource["ref"]; ?>" title="<?php echo escape(i18n_get_translated(($relatedresource["field" . $view_title_field]))) ?>" onClick="return ModalLoad(this,true);">
                            <?php if ((int) $relatedresource["has_image"] !== RESOURCE_PREVIEWS_NONE) {
                                $thm_url = get_resource_path($relatedresource["ref"], false, "col", false, $relatedresource["preview_extension"], -1, 1, $use_watermark, $relatedresource["file_modified"]);
                                render_resource_image($relatedresource, $thm_url, "collection");
                            } else {
                                echo get_nopreview_html((string) $relatedresource["file_extension"]);
                            }
                            ?>
                            </a>
                            
                        <?php

                        if ($edit_access) {
                            ?>
                            <div class="ResourcePanelInfo" >
                                <a href="#" 
                                    onClick="if(confirm('<?php echo escape($lang["related_resource_confirm_delete"])?>'))
                                    {
                                    relateresources(<?php echo (int) $ref . "," . (int) $relatedresource["ref"] ;?>,'remove',
                                    <?php echo escape(generate_csrf_js_object('update_related_resource')); ?>);
                                    jQuery('#RelatedResource_<?php echo (int) $relatedresource["ref"]; ?>').remove();
                                    }
                                    return false;" >
                                    <?php echo LINK_CARET . escape($lang["action-remove"]) ?></a></div>
                            <?php
                        }?>
                        </div>
                        <?php
                    }
                }
                if ($related_type_upload_link && $edit_access) {
                    if ($upload_then_edit) {
                        $uploadurl = generateURL($baseurl . "/pages/upload_batch.php", ["redirecturl" => generateURL($baseurl . "/pages/view.php", $urlparams)], ["relateto" => $ref]);
                    } else {
                        $uploadurl = generateURL($baseurl . "/pages/edit.php", ["redirecturl" => generateURL($baseurl . "/pages/view.php", $urlparams) . "#RelatedResources","ref" => -$userref], ["relateto" => $ref]);
                    }
                    echo "<div class=\"clearerleft\" ></div>";
                    echo "<a class=\"ResourcePanelSmallIcons\" href=\"" . $uploadurl  . "\" onclick=\"return CentralSpaceLoad(this, true);\">" . LINK_CARET . escape($lang["upload"]) . "</a>";
                }
            } else {
                // Standard table view
                ?>
                <div class="clearerleft"></div>
                <div class="item" id="RelatedResourceData">
                <?php
                if (in_array($rtype, $related_restypes) || ($related_type_upload_link && $edit_access)) {
                    ?>
                    <div class="Listview ListviewTight" >
                        <table class="ListviewStyle">
                        <tbody>
                            <tr class="ListviewTitleStyle">
                                <th><h3><?php echo escape($restypename); ?></h3></th>     
                                <th><div class="ListTools"></div></th>                                    
                            </tr>
                            <?php
                            foreach ($relatedresources as $relatedresource) {
                                $related_resource_ref = (int) $relatedresource['ref'];

                                if ($relatedresource['resource_type'] == $rtype) {
                                    $relatedtitle = (string) $relatedresource["field{$view_title_field}"];
                                    echo "<tr id=\"relatedresource{$related_resource_ref}\" class=\"RelatedResourceRow\">";
                                    echo "<td class=\"link\"><a href=\"{$baseurl_short}pages/view.php?ref={$related_resource_ref}\"  onClick=\"return ModalLoad(this,true);\" >" . escape($relatedtitle) . "</a></td>";
                                    echo "<td>";
                                    if ($edit_access) {
                                        ?>
                                            <div class="ListTools" >
                                                <a href="#" 
                                                    onClick="if(confirm('<?php echo escape($lang["related_resource_confirm_delete"])?>'))
                                                    {
                                                    relateresources(<?php echo (int) $ref . "," . (int) $relatedresource["ref"] ;?>,'remove',
                                                <?php echo escape(generate_csrf_js_object('update_related_resource')); ?>);
                                                    jQuery('#RelatedResource_<?php echo (int) $relatedresource["ref"]; ?>').remove();
                                                    }
                                                    return false;" >
                                                <?php echo LINK_CARET . escape($lang["action-remove"]) ?></a></div>
                                            <?php
                                    }
                                    echo "</td>";
                                    echo "</tr>";
                                    $related_resources_shown++;
                                }
                            }

                            if ($related_type_upload_link && $edit_access) {
                                if ($upload_then_edit) {
                                    $uploadurl = generateURL($baseurl . "/pages/upload_batch.php", ["redirecturl" => generateURL($baseurl . "/pages/view.php", $urlparams)], ["relateto" => $ref]);
                                } else {
                                    $uploadurl = generateURL($baseurl . "/pages/edit.php", ["redirecturl" => generateURL($baseurl . "/pages/view.php", $urlparams) . "#RelatedResources","ref" => -$userref], ["relateto" => $ref]);
                                }

                                echo "<tr><td></td><td><div class=\"ListTools\"><a href=\"" . $uploadurl . "\">" . LINK_CARET . escape($lang["upload"]) . "</a></div></td>";
                            }
                            ?>
                        </tbody>
                        </table>
                    </div>
                    <?php
                } ?>
                </div><!-- end of RelatedResourceData -->
                <?php
            }

            // We have displayed these, don't show them again later
            $relatedtypes_shown[] = $rtype;
        }
    }
}