Resolve "OER-Campus Icon nicht konsistent"

app/views/file/add_files_window.php

@@ -59,7 +59,7 @@ if ($folder_id) {
             <? if (Config::get()->OERCAMPUS_ENABLED && $GLOBALS['perm']->have_perm(Config::get()->OERCAMPUS_PUBLIC_STATUS)) : ?>
                 <a href="<?= $controller->link_for('oer/addfile/choose_file', array_merge($options, ['from_plugin' => ""])) ?>"
                    data-dialog="height=800">
-                    <?= Icon::create('service', Icon::ROLE_CLICKABLE)->asImg(50) ?>
+                    <?= Icon::create('oer-campus')->asImg(50) ?>
                     <?= htmlReady(Config::get()->OER_TITLE) ?>
                 </a>
             <? endif ?>

app/views/oer/embed/_link.php

 <div style="text-align: right;">
     <a href="<?= URLHelper::getLink("dispatch.php/oer/market/details/{$id}") ?>"
        title="<?= htmlReady(sprintf(_('Zum %s wechseln'), Config::get()->OER_TITLE)) ?>">
-        <?= Icon::create('service')->asImg(['class' => 'text-bottom']) ?>
+        <?= Icon::create('oer-campus')->asImg(['class' => 'text-bottom']) ?>
         <?= htmlReady($material['name']) ?>
     </a>
 </div>

lib/filesystem/StandardFile.php

@@ -297,7 +297,7 @@ class StandardFile implements FileType, ArrayAccess
             $actionMenu->addLink(
                 URLHelper::getURL('dispatch.php/file/share_oer/' . $this->fileref->id),
                 _('Im OER Campus veröffentlichen'),
-                Icon::create('service', Icon::ROLE_CLICKABLE, ['size' => 20]),
+                Icon::create('oer-campus'),
                 ['data-dialog' => '1']
             );
         }

lib/models/OERMaterial.php

@@ -148,11 +148,6 @@ class OERMaterial extends SimpleORMap
             ? $material->host->url."download/".$material['foreign_material_id']
             : URLHelper::getURL("dispatch.php/oer/endpoints/download/".$material->getId());
 
-
-        $right_link = '<div style="text-align: right;">';
-        $right_link .= '<a href="'.URLHelper::getLink("dispatch.php/oer/market/details/".$id).'" title="'._("Zum OER Campus").'">'.Icon::create("service", "clickable")->asImg(16, ['class' => "text-bottom"])." ".htmlReady($material['name']).'</a>';
-
-
         if ($material['player_url'] || $material->isPDF()) {
             if ($material['player_url']) {
                 OERDownloadcounter::addCounter($material->id);