Fixed pagination of orders.

[readifood.git] / lib / functions.php

diff --git a/lib/functions.php b/lib/functions.php
index eb48c4b..9690d5d 100644 (file)
--- a/lib/functions.php
+++ b/lib/functions.php
@@ -21,6 +21,46 @@
     return array($name, $id, $args);
   }
 
+  function pagination() {
+    $offset = 1;
+    $per_page = $GLOBALS['default_page_size'];
+
+    parse_str($_SERVER['QUERY_STRING'], $params);
+    if (array_key_exists('page', $params)) if (is_numeric($params['page'])) $offset = $params['page'];
+    if (array_key_exists('size', $params)) if (is_numeric($params['size'])) $per_page = $params['size'];
+
+    return array($offset, $per_page);
+  }
+
+  function page_link($alt, $n, $cur, $max, $size) {
+    $links = array();
+    if ($n < 1 || $n == $cur || $n > $max) return $alt;
+    $params = array('page' => $n);
+    if ($size != $GLOBALS['default_page_size']) $params['size'] = $size;
+    $url = http_build_query($params);
+    return "<a href=\"?$url\">$alt</a> ";
+  }
+
+  function show_pagination($pager, $n = 5) {
+    if (! $pager->haveToPaginate()) return;
+
+    list($offset, $per_page) = pagination();
+
+    $pages = ceil($pager->getNbResults() / $per_page);
+    $pages++;
+
+    $links = array();
+    $links[] = page_link('First', 1, $offset, $pages, $per_page);
+    $links[] = page_link('Previous', $offset - 1, $offset, $pages, $per_page);
+    foreach ($pager->getLinks($n) as $link) $links[] = page_link($link, $link, $offset, $pages, $per_page);
+    $links[] = page_link('Next', $offset + 1, $offset, $pages, $per_page);
+    $links[] = page_link('Last', $pages, $offset, $pages, $per_page);
+
+    echo "<p>Page: ";
+    echo implode(' / ', $links);
+    echo "</p>\n";
+  }
+
   function get_city_by_name($name, $postcode_area = null, $verbose = true) {
     $q = new CityQuery;
 
@@ -320,7 +360,32 @@
   function get_address_map_link($address) {
     $postcode = trim($address->getPostcode());
     if ($postcode) {
-      return " " . get_small_link("Map", "http://maps.google.co.uk/maps?q=" . urlencode($postcode));
+      # mrt=loc specifies a location search.
+      $map = "maps.google.co.uk/maps?q=" . urlencode($postcode) . "&mrt=loc";
+      $url = "http://$map";
+      # output=embed allows display in an iframe.
+      # iwloc=near hides the popup window for the embedded view.
+      $embed = $GLOBALS['http'] . "://$map&output=embed&iwloc=near";
+      $html = " ";
+      $html .= get_small_link_with_id("map", "Map", $url);
+      $html .= "<script>\n  $(function() {\n";
+      $html .= "    var x = 0;\n";
+      $html .= "    var y = 0;\n";
+      $html .= "    var loaded = false;\n";
+      $html .= "    $(\"#map\").hover(function(e) {\n";
+      $html .= "      x = $(this).outerWidth();\n";
+      $html .= "      y = $(this).outerHeight() / 2;\n";
+      $html .= "      $(\"#popup\").css(\"left\", e.pageX + x).css(\"top\", e.pageY + y);;\n";
+      $html .= "      $(\"#popup\").show();\n";
+      $html .= "      if (! loaded) {\n";
+      $html .= "        $(\"#popup\").html(\"<iframe width='100%' height='100%' src='$embed'></iframe>\");\n";
+      $html .= "        loaded = true;\n";
+      $html .= "      }\n";
+      $html .= "    },function() {\n";
+      $html .= "      $(\"#popup\").hide();\n";
+      $html .= "    })\n";
+      $html .= "  });</script>";
+      return $html;
     }
   }
 
@@ -536,19 +601,28 @@
     }
   }
 
-  function get_small_link() {
-    /* Args are <alt text>, <format>, [<stuff> ...] */
+  function get_small_link_with_id() {
+    /* Args are <id>, <alt text>, <format>, [<stuff> ...] */
     $args = func_get_args();
+    $id = array_shift($args);
+    if (isset($id)) $id = " id=\"$id\"";
     $html = htmlspecialchars(array_shift($args));
     $url = array_shift($args);
-    return vsprintf("<a class=\"small noprint\" href=\"$url\">$html</a>\n", $args);
+    return vsprintf("<a$id class=\"small noprint\" href=\"$url\">$html</a>\n", $args);
+  }
+
+  function get_small_link() {
+    /* Args are <alt text>, <format>, [<stuff> ...] */
+    $args = func_get_args();
+    array_unshift($args, null);
+    return call_user_func_array("get_small_link_with_id", $args);
   }
 
   function small_link() {
     echo call_user_func_array("get_small_link", func_get_args());
   }
 
-  include_once("$lib_root/admin.php");
-  include_once("$lib_root/forms.php");
+  include_once(join(DIRECTORY_SEPARATOR, array($lib_root, "admin.php")));
+  include_once(join(DIRECTORY_SEPARATOR, array($lib_root, "forms.php")));
 
 ?>