new function get_html_menu_category to manage menu categories as list items

git-svn-id: http://piwigo.org/svn/trunk@476 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 259 insertions, 0 deletions

diff --git a/include/functions_html.inc.php b/include/functions_html.inc.php
new file mode 100644
index 000000000..fd3803ac3
--- /dev/null
+++ b/include/functions_html.inc.php
@@ -0,0 +1,259 @@
+<?php
+// +-----------------------------------------------------------------------+
+// |                         htmlfunctions.inc.php                         |
+// +-----------------------------------------------------------------------+
+// | application   : PhpWebGallery <http://phpwebgallery.net>              |
+// | branch        : BSF (Best So Far)                                     |
+// +-----------------------------------------------------------------------+
+// | file          : $RCSfile$
+// | last update   : $Date$
+// | last modifier : $Author$
+// | revision      : $Revision$
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+function get_icon( $date )
+{
+  global $user, $conf, $lang;
+
+  list( $year,$month,$day ) = explode( '-', $date );
+  $unixtime = mktime( 0, 0, 0, $month, $day, $year );
+  
+  $diff = time() - $unixtime;
+  $day_in_seconds = 24*60*60;
+  $output = '';
+  $title = $lang['recent_image'].'&nbsp;';
+  if ( $diff < $user['recent_period'] * $day_in_seconds )
+  {
+    $icon_url = './template/'.$user['template'].'/theme/';
+    $icon_url.= 'recent.gif';
+    $title .= $user['recent_period'];
+    $title .=  '&nbsp;'.$lang['days'];
+    $size = getimagesize( $icon_url );
+    $output = '<img title="'.$title.'" src="'.$icon_url.'" style="border:0;';
+    $output.= 'height:'.$size[1].'px;width:'.$size[0].'px" alt="" />';
+  }
+  return $output;
+}
+
+function create_navigation_bar( $url, $nb_element, $start,
+                                $nb_element_page, $link_class )
+{
+  global $lang;
+  $navigation_bar = "";
+  // 0. détection de la page en cours
+  if( !isset( $start )
+      || !is_numeric( $start )
+      || ( is_numeric( $start ) && $start < 0 ) )
+  {
+    $start = 0;
+  }
+  // on n'affiche la bare de navigation que si on plus de 1 page
+  if ( $nb_element > $nb_element_page )
+  {
+    // 1.une page précédente ?
+    if ( $start != 0 )
+    {
+      $previous = $start - $nb_element_page;
+      $navigation_bar.= '<a href="';
+      $navigation_bar.= add_session_id( $url.'&amp;start='.$previous );
+      $navigation_bar.= '" class="'.$link_class.'">'.$lang['previous_page'];
+      $navigation_bar.= '</a>';
+      $navigation_bar.= ' | ';
+    }
+    // 2.liste des numéros de page
+    $maximum = ceil ( $nb_element / $nb_element_page );
+    for ( $i = 1; $i <= $maximum; $i++ )
+    {
+      $temp_start = ( $i - 1 ) * $nb_element_page;
+      if ( $temp_start == $start )
+      {
+        $navigation_bar.= ' <span style="font-weight:bold;">'.$i.'</span> ';
+      }
+      else
+      {
+        $navigation_bar.= ' <a href="';
+        $navigation_bar.= add_session_id( $url.'&amp;start='.$temp_start );
+        $navigation_bar.= '" class="'.$link_class.'">'.$i.'</a> ';
+      }
+    }
+    // 3.une page suivante ?
+    if ( $nb_element > $nb_element_page
+         && $start + $nb_element_page < $nb_element )
+    {
+      $next = $start + $nb_element_page;
+      $navigation_bar.= ' | <a href="';
+      $navigation_bar.= add_session_id( $url.'&amp;start='.$next );
+      $navigation_bar.= '" class="'.$link_class.'">'.$lang['next_page'].'</a>';
+    }
+  }
+  return $navigation_bar;
+}
+
+//
+// Pick a language, any language ...
+//
+function language_select($default, $select_name = "language")
+{
+
+  $dir = opendir(PHPWG_ROOT_PATH . 'language');
+  $available_lang= array();
+
+  while ( $file = readdir($dir) )
+  {
+    $path= realpath(PHPWG_ROOT_PATH . 'language/'.$file);
+    if (is_dir ($path) && !is_link($path) && file_exists($path . '/iso.txt'))
+    {
+	  list($displayname) = @file($path . '/iso.txt');
+	  $available_lang[$displayname] = $file;
+    }
+  }
+  closedir($dir);
+  @asort($available_lang);
+  @reset($available_lang);
+
+  $lang_select = '<select name="' . $select_name . '" onchange="this.form.submit()">';
+  foreach ($available_lang as $displayname => $code)
+  {
+    $selected = ( strtolower($default) == strtolower($code) ) ? ' selected="selected"' : '';
+    $lang_select .= '<option value="' . $code . '"' . $selected . '>' . ucwords($displayname) . '</option>';
+  }
+  $lang_select .= '</select>';
+
+  return $lang_select;
+}
+
+//
+// Pick a template/theme combo, 
+//
+function style_select($default_style, $select_name = "style")
+{
+  $dir = opendir(PHPWG_ROOT_PATH . 'template');
+  $style_select = '<select name="' . $select_name . '">';
+  while ( $file = readdir($dir) )
+  {
+    if (is_dir ( realpath(PHPWG_ROOT_PATH.'template/'.$file) ) 
+	  && !is_link(realpath(PHPWG_ROOT_PATH  . 'template/' . $file))
+	  && !strstr($file,'.'))
+    {
+      $selected = ( $file == $default_style ) ? ' selected="selected"' : '';
+	  $style_select .= '<option value="' . $file . '"' . $selected . '>' . $file . '</option>';
+    }
+  }
+  closedir($dir);
+  return $style_select;
+}
+
+// The function get_cat_display_name returns a string containing the list
+// of upper categories to the root category from the lowest category shown
+// example : "anniversaires - fete mere 2002 - animaux - erika"
+// You can give this parameters :
+//   - $style : the style of the span tag for the lowest category,
+//     "font-style:italic;" for example
+function get_cat_display_name( $cat_informations, $separator, 
+  $url = 'category.php?cat=', $replace_space = true)
+{
+  $output = '';
+  $i=0;
+  while ( list ($id, $name) = each($cat_informations)) 
+  {
+    if ( $i )  $output.= $separator;
+	$i++;
+	if (empty($style) && empty($url) || ($i == count( $cat_informations))) 
+	  $output.= $name;
+    elseif (!empty($url))
+      $output.= '<a class="" href="'.add_session_id(PHPWG_ROOT_PATH.$url.$id).'">'.$name."</a>";
+	else
+      $output.= '<span style="'.$style.'">'.$name.'</span>';
+  }
+  if ( $replace_space ) return replace_space( $output );
+  else                  return $output;
+}
+
+/**
+ * returns the HTML code for a category item in the menu (for category.php)
+ *
+ * HTML code generated uses logical list tags ul and each category is an
+ * item li. The paramter given is the category informations as an array,
+ * used keys are : id, name, dir, nb_images, date_last, subcats (sub-array)
+ *
+ * @param array category
+ * @return string
+ */
+function get_html_menu_category($category)
+{
+  global $page, $lang;
+
+  $menu = '
+
+           <li>';
+  
+  $url = add_session_id(PHPWG_ROOT_PATH.'category.php?cat='.$category['id']);
+
+  $class = '';
+  if (isset($page['cat'])
+      and is_numeric($page['cat'])
+      and $category['id'] == $page['cat'])
+  {
+    $class = 'menuCategorySelected';
+  }
+  else
+  {
+    $class = 'menuCategoryNotSelected';
+  }
+  
+  $name = $category['name'];
+  if (empty($name))
+  {
+    $name = str_replace('_', ' ', $category['dir']);
+  }
+
+  $menu.= '
+           <a href="'.$url.'"
+              title="'.$lang['hint_category'].'"
+              class="'.$class.'">
+             '.$name.'
+           </a>';
+
+  if ($category['nb_images'] > 0)
+  {
+    $menu.= '
+             <span class="menuInfoCat"
+                   title="'.$category['nb_images'].'
+                          '.$lang['images_available'].'">
+             ['.$category['nb_images'].']
+             </span>
+             '.get_icon($category['date_last']);
+  }
+  
+  // recursive call
+  if ($category['expanded'] and count($category['subcats']) > 0)
+  {
+    $menu.= '
+             <ul class="menu">';
+    foreach ($category['subcats'] as $subcat)
+    {
+      $menu.= get_html_menu_category($subcat, &$menu);
+    }
+    $menu.= '
+             </ul>';
+  }
+
+  $menu.= '</li>';
+
+  return $menu;
+}
+?>