Basic implementation event signup

modules/event-participants/Templates/compose-email.php

@@ -0,0 +1,36 @@
+
+<h2>
+    <?= __('Send Email', BDP_LV_PLUGIN_SLUG); ?>
+</h2>
+<form method="post" action="admin.php?page=kompass-mail" style="width: 80%; margin: auto">
+    <table style="width: 100%">
+        <input type="hidden" name="action" value="send-email" />
+        <tr>
+            <td><?= __('From: ', BDP_LV_PLUGIN_SLUG); ?></td>
+            <td><input type="text" name="mail-from" style="width: 100%"></td>
+        </tr>
+        <tr>
+            <td><?= __('To: ', BDP_LV_PLUGIN_SLUG); ?></td>
+            <td><input type="text" name="mail-to" style="width: 100%"></td>
+        </tr>
+        <tr>
+            <td><?= __('Subject: ', BDP_LV_PLUGIN_SLUG); ?></td>
+            <td><input type="text" name="mail-subject" style="width: 100%"></td>
+        </tr>
+    </table>
+    <?php
+
+    $args = array(
+            'textarea_name' => 'mail-text',
+            'media_buttons' => false,
+            'tinymce'       => array(
+                'toolbar1'      => 'bold,italic,underline,separator,alignleft,aligncenter,alignright,separator,link,unlink,undo,redo',
+                'toolbar2'      => '',
+                'toolbar3'      => '',
+            ),
+    );
+
+    wp_editor( '', 'kompass-mailcomposer', $args );
+    submit_button(__('Send email', BDP_LV_PLUGIN_SLUG));
+    ?>
+</form>