Adds image display in admin interface

.gitignore

@@ -0,0 +1 @@
+*.swp

neuf-societies-admin.php

@@ -3,15 +3,14 @@
 function neuf_societies_change_columns( $cols ) {
 	$custom_cols = array(
 		'cb'        => '<input type="checkbox" />',
+		'title'     => __( 'Forening', 'trans' ),
+		'image'     => __( 'Bilde', 'trans' ),
 		'homepage'     => __( 'Hjemmeside', 'trans' ),
 		/*'author'    => __( 'Forfatter', 'trans' ),
 		'date'      => __( 'Publiseringsdato', 'trans' ),
-		'type'      => __( 'Type', 'trans' ),
-		'starttime' => __( 'Dato og klokkeslett', 'trans' ),
-		'endtime'   => __( 'Sluttdato og -klokkeslett', 'trans' ),
-		'venue'     => __( 'Sted', 'trans' )*/
+		'type'      => __( 'Type', 'trans' ),*/
 	);
-	return array_merge($cols, $custom_cols);
+	return $custom_cols;
 }
 add_filter( "manage_society_posts_columns", "neuf_societies_change_columns" );
 
@@ -19,7 +18,15 @@ add_filter( "manage_society_posts_columns", "neuf_societies_change_columns" );
 function neuf_societies_custom_columns( $column, $post_id ) {
 	switch ( $column ) {
 	case "homepage":
-		echo get_post_meta( $post_id, '_neuf_societies_homepage', true);
+		$homepage = get_post_meta( $post_id, '_neuf_societies_homepage', true );
+		// default to permalink if not set
+		$homepage = $homepage ? $homepage : get_permalink( $post_id );
+		echo '<a href="'.$homepage.'" alt="'.$homepage.'" target="_blank">'.$homepage.'</a>';
+		break;
+	case "image":
+		$thumb = get_the_post_thumbnail( $post_id, array(100, 50) );
+		$large_image_url = wp_get_attachment_image_src( get_post_thumbnail_id( $post_id ), 'large' );
+		echo '<a href="'.$large_image_url[0].'" alt="'.$large_image_url[0].'">'.$thumb.'</a>';
 		break;
 	}
 }

neuf-societies-post-type.php

@@ -63,14 +63,14 @@ function neuf_societies_save_postdata( $post_id ) {
 		if ( !current_user_can( 'edit_post', $post_id ) )
 			return;
 	}
+	// OK, we're authenticated.
 
-	// OK, we're authenticated: we need to find and save the data
-
-	$mydata = $_POST['_neuf_societies_homepage'];
+	// prefix with protocol if not present
+	$mydata = esc_url( $_POST['_neuf_societies_homepage'] );
 
 	// Do something with $mydata 
 	// probably using add_post_meta(), update_post_meta(), or 
 	// a custom table (see Further Reading section below)
-	add_post_meta($post_id, '_neuf_societies_homepage', $mydata, true);
+	update_post_meta($post_id, '_neuf_societies_homepage', $mydata);
 }
 ?>