first commit

inc/wp_pg_pagination.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Class Name: PG_Pagination
+ * GitHub URI:
+ * Description:
+ * Version: 1.0
+ * Author: Matjaz Trontelj - @pinegrow
+ * License: GPL-2.0+
+ * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
+ *
+ */
+
+
+class PG_Pagination
+{
+    static function getQuery( $query = null ) {
+        global $wp_query;
+
+        if(empty( $query )) {
+            return $wp_query;
+        } else {
+            return $query;
+        }
+    }
+
+    static function getCurrentPage() {
+        $name = 'paged';
+        if ( 'page' == get_option( 'show_on_front' ) && is_front_page() ) {
+            $name = 'page';
+        }
+        return intval(get_query_var( $name ) ? get_query_var( $name ) : 1);
+    }
+
+    static function getMaxPages( $query = null ) {
+        return self::getQuery( $query )->max_num_pages;
+    }
+
+    static function isPaginated( $query = null ) {
+        return self::getQuery( $query )->max_num_pages > 1;
+    }
+
+    static function getNextPageUrl( $query = null ) {
+        $max_pages = self::getMaxPages( $query );
+        if(self::getCurrentPage() < $max_pages) {
+            return get_pagenum_link( self::getCurrentPage() + 1 );
+        }
+        return null;
+    }
+
+    static function getPreviousPageUrl( $query = null ) {
+        if(self::getCurrentPage() > 1) {
+            return get_pagenum_link( self::getCurrentPage() - 1 );
+        }
+        return null;
+    }
+
+    static function getHrefAttribute( $url ) {
+        if(empty( $url )) {
+            return 'href="javascript:void(0)"';
+        } else {
+            return 'href="'.esc_url( $url ).'"';
+        }
+    }
+
+    static function getPreviousHrefAttribute( $query = null ) {
+        return self::getHrefAttribute( self::getPreviousPageUrl( $query ));
+    }
+
+    static function getNextHrefAttribute( $query = null ) {
+        return self::getHrefAttribute( self::getNextPageUrl( $query ));
+    }
+}