Add basing pagin support in HTML catalog

base.php

@@ -242,6 +242,28 @@ class Page
         $this->entryArray = array_merge ($this->entryArray, Book::getCount());
     }
     
+    public function getNextLink ()
+    {
+        global $config;
+        $currentUrl = $_SERVER['QUERY_STRING'];
+        $currentUrl = preg_replace ("/\&n=.*?$/", "", "?" . $_SERVER['QUERY_STRING']);
+        if (($this->n) * $config['cops_max_item_per_page'] < $this->totalNumber) {
+            return new LinkNavigation ($currentUrl . "&n=" . ($this->n + 1), "next", "Page suivante");
+        }
+        return NULL;
+    }
+    
+    public function getPrevLink ()
+    {
+        global $config;
+        $currentUrl = $_SERVER['QUERY_STRING'];
+        $currentUrl = preg_replace ("/\&n=.*?$/", "", "?" . $_SERVER['QUERY_STRING']);
+        if ($this->n > 1) {
+            return new LinkNavigation ($currentUrl . "&n=" . ($this->n - 1), "previous", "Page precedente");
+        }
+        return NULL;
+    }
+
 }
 
 class PageAllAuthors extends Page

index.php

@@ -218,6 +218,30 @@
             }
         ?>
     </div>
+<?php
+    if ($config['cops_max_item_per_page'] != -1 && $currentPage->totalNumber != -1) {
+        $prevLink = $currentPage->getPrevLink ();
+        $nextLink = $currentPage->getNextLink ();
+?> 
+    <div>
+        <?php
+            if (!is_null ($prevLink)) {
+        ?>
+        <a href="<?php echo $prevLink->hrefXhtml () ?>" >Prev</a>
+        <?php
+            }
+        ?>
+        <?php
+            if (!is_null ($nextLink)) {
+        ?>
+        <a href="<?php echo $nextLink->hrefXhtml () ?>" >Next</a>
+        <?php
+            }
+        ?>
+    </div>
+<?php
+    }
+?>
 </div>
 </body>
 </html>