Changeset 6609 for sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/helpers-wcpt.php

Timestamp:

02/12/2018 10:23:05 PM (6 years ago)

Author:

iandunn

Message:

WordCamp Helpers: Add helper to generate a Select2 dropdown of WordCamps.

File:

• sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/helpers-wcpt.php (modified) (2 diffs)

sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/helpers-wcpt.php

@@ -7 +7 @@
  */
 
+
+/**
+ * Retrieve `wordcamp` posts and their metadata.
+ *
+ * @param array $args Optional. Extra arguments to pass to `get_posts()`.
+ *
+ * @return array
+ */
+function get_wordcamps( $args = array() ) {
+    $args = wp_parse_args( $args, array(
+        'post_type'   => WCPT_POST_TYPE_ID,
+        'post_status' => 'any',
+        'orderby'     => 'ID',
+        'numberposts' => -1,
+        'perm'        => 'readable',
+    ) );
+
+    $wordcamps = get_posts( $args );
+
+    foreach ( $wordcamps as &$wordcamp ) {
+        $wordcamp->meta = get_post_custom( $wordcamp->ID );
+    }
+
+    return $wordcamps;
+}
 
 /**
@@ -175 +200 @@
     return absint( $duration_days );
 }
+
+/**
+ * Get a <select> dropdown of `wordcamp` posts with a select2 UI.
+ *
+ * The calling plugin is responsible for validating and processing the form, this just outputs a single field.
+ *
+ * @param string $name          The `name` attribute for the `select` element
+ * @param array  $query_options Optional. Extra arguments to pass to `get_posts()`. Defaults to the values in `get_wordcamps()`.
+ *
+ * @return string The HTML for the <select> list.
+ */
+function get_wordcamp_dropdown( $name = 'wordcamp_id', $query_options = array() ) {
+    $wordcamps = get_wordcamps( $query_options );
+
+    wp_enqueue_script( 'select2' );
+    wp_enqueue_style(  'select2' );
+
+    ob_start();
+
+    ?>
+
+    <select name="<?php echo esc_attr( $name ); ?>" class="select2">
+        <option value=""><?php _e( 'Select a WordCamp', 'wordcamporg' ); ?></option>
+        <option value=""></option>
+
+        <?php foreach ( $wordcamps as $wordcamp ) : ?>
+            <option value="<?php echo esc_attr( $wordcamp->ID ); ?>">
+                <?php
+
+                echo esc_html( $wordcamp->post_title );
+                if ( ! empty( $wordcamp->meta['Start Date (YYYY-mm-dd)'][0] ) ) {
+                    echo ' ' . esc_html( date( 'Y', $wordcamp->meta['Start Date (YYYY-mm-dd)'][0] ) );
+                }
+
+                ?>
+            </option>
+        <?php endforeach; ?>
+    </select>
+
+    <script>
+        jQuery( document ).ready( function() {
+            jQuery( '.select2' ).select2();
+        } );
+    </script>
+
+    <?php
+
+    return ob_get_clean();
+}