DIR : /home/kozerus/public_html/go/dgs/forum/edit_tag.php

/home/kozerus/public_html/go/dgs/forum

<?php
/*
Dragon Go Server
Copyright (C) 2001-  Jens-Uwe Gaspar

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

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 Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

$TranslateGroups[] = "Forum";

chdir('..');
require_once 'include/std_functions.php';
require_once 'include/form_functions.php';
require_once 'forum/forum_functions.php';

$GLOBALS['ThePage'] = new Page('TagEdit');


{
   connect2mysql();

   $logged_in = who_is_logged( $player_row);
   if ( !$logged_in )
      error('login_if_not_logged_in', 'edit_tag');
   if ( !ENABLE_FORUM_TAGS )
      error('feature_disabled', 'tags');
   $my_id = $player_row['ID'];
   if ( $my_id <= GUESTS_ID_MAX )
      error('not_allowed_for_guest', 'edit_tag');

/* Actual REQUEST calls used:
     (no args)             : add new tag
     tag=                  : edit existing tag
     preview&tag=          : preview for tag-save
     save&tag=             : save new/updated tag
     delete&tag=           : remove existing tag (need confirmation)
     delete&confirm=1&tag= : remove tag (confirmed)
     cancel                : cancel remove-confirmation
*/

   if ( @$_REQUEST['cancel'] ) // cancel delete
      jump_to("forum/tags.php");

   $tag_id = (int) get_request_arg('tag');
   if ( $tag_id < 0 ) $tag_id = 0;
   $is_delete = @$_REQUEST['delete'];

   // init new tag
   if ( $tag_id > 0 )
   {
      $tag = Tag::load_tag($tag_id);
      if ( is_null($tag) )
         error('unknown_tag', "edit_tag.check.load_tag($tag_id)");
   }
   else
      $tag = Tag::new_tag();

   if ( $tag_id && $is_delete && @$_REQUEST['confirm'] )
   {
      Tag::delete_cache_tags("edit_tag.delete_tag($my_id,$tag_id)", $my_id);
      $tag->delete();
      jump_to("forum/tags.php?sysmsg=". urlencode(T_('Tag removed!')) );
   }


   // check + parse edit-form
   list( $vars, $edits, $errors ) = parse_edit_form( $tag );

   // save tag-object with values from edit-form
   if ( @$_REQUEST['save'] && !@$_REQUEST['preview'] && count($errors) == 0 )
   {
      $tag->persist();
      Tag::delete_cache_tags("edit_tag.add_tag($my_id,{$tag->ID})", $my_id);
      jump_to("forum/tags.php?sysmsg=". urlencode(T_('Tag saved!')) );
   }

   $page = "edit_tag.php";
   if ( $tag_id )
      $title = ($is_delete) ? T_('Delete tag') : T_('Edit tag');
   else
      $title = T_('New Tag');


   // ---------- Tag EDIT form -------------------------------------

   $tform = new Form( 'tagEdit', $page, FORM_GET );
   $tform->add_hidden( 'tag', $tag_id );

   if ( count($errors) )
   {
      $tform->add_row( array(
            'DESCRIPTION', T_('Error'),
            'TEXT', buildErrorListString(T_('There are some errors'), $errors) ));
      $tform->add_empty_row();
   }

   $tform->add_row( array(
         'DESCRIPTION', T_('Name'),
         'TEXTINPUT',   'name', 40, 64, $vars['name'] ));
   $tform->add_row( array(
         'DESCRIPTION', T_('Background color'),
         'TEXTINPUT',   'col_bg', 6, 10, $vars['col_bg'] ));
   $tform->add_row( array(
         'DESCRIPTION', T_('Text color'),
         'TEXTINPUT',   'col_fg', 6, 10, $vars['col_fg'] ));

   $tform->add_row( array(
         'DESCRIPTION', T_('Unsaved edits'),
         'TEXT',        span('TWarning', implode(', ', $edits), '[%s]'), ));

   if ( $tag_id && $is_delete )
   {
      $tform->add_hidden( 'confirm', 1 );

      $tform->add_empty_row();
      $tform->add_row( array(
         'CELL', 2, '',
         'TEXT', T_('Please confirm deletion of tag') . ':', ));
      $tform->add_row( array(
         'SUBMITBUTTON', 'delete', T_('Confirm delete'),
         'SUBMITBUTTON', 'cancel', T_('Cancel') ));
   }
   else
   {
      $tform->add_row( array(
            'TAB', 'CELL', 1, '', // align submit-buttons
            'SUBMITBUTTON', 'save', T_('Save tag'),
            'TEXT', SMALL_SPACING,
            'SUBMITBUTTON', 'preview', T_('Preview'),
         ));
   }

   if ( @$_REQUEST['preview'] || $is_delete || $tag->Name != '' || $tag_id > 0 )
   {
      $preview_row_fmt = '<td class="Preview %s">[%s] ' .
         sprintf( '%s: %s%s%s:%s</td>',
            T_('Active#tag'), $tag->render_tag(), SMALL_SPACING, T_('Inactive#tag'), $tag->render_tag( 'Inactive' ) );

      $tform->add_empty_row();
      $tform->add_row( array(
         'DESCRIPTION', T_('Preview'),
         'OWNHTML', sprintf( $preview_row_fmt, 'ForumTagsBG', T_('Forum posts') ), ));
      $tform->add_row( array(
         'TAB',
         'OWNHTML', sprintf($preview_row_fmt, 'SearchTagsBG', T_('Forum search') ), ));
   }

   start_page( $title, true, $logged_in, $player_row);

   echo "<h3 class=Header>$title</h3>\n";

   $tform->echo_string();


   $menu_array = array();
   $menu_array[T_('Tags')] = "forum/tags.php";
   if ( $tag_id > 0 )
      $menu_array[T_('Add new tag')] = 'forum/' . $page;

   end_page(@$menu_array);
}//main


// return [ vars-hash, edits-arr, errorlist ]
function parse_edit_form( Tag &$tag )
{
   $edits = array();
   $errors = array();
   $is_posted = ( @$_REQUEST['save'] || @$_REQUEST['preview'] );

   // read from props or set defaults
   $vars = array(
      'name'   => $tag->Name,
      'col_bg' => $tag->ColorBG,
      'col_fg' => $tag->ColorFG,
   );

   $old_vals = array() + $vars; // copy to determine edit-changes
   // read URL-vals into vars
   foreach ( $vars as $key => $val )
      $vars[$key] = get_request_arg( $key, $val );

   // parse URL-vars
   if ( $is_posted )
   {
      $new_value = trim($vars['name']);
      if ( strlen($new_value) == 0 )
         $errors[] = T_('Missing tag name');
      elseif ( strlen($new_value) > 64 )
         $errors[] = sprintf( T_('Tag name too long (max. %s chars allowed).'), 64 );
      else
         $tag->Name = $new_value;

      $new_value = $vars['col_bg'];
      if ( !preg_match("/^[0-9a-f]{6}$/i", $new_value ) )
         $errors[] = sprintf( T_('Invalid background color [%s] (must be 6 hex-chars).'), $new_value );
      else
         $tag->ColorBG = $new_value;

      $new_value = $vars['col_fg'];
      if ( !preg_match("/^[0-9a-f]{6}$/i", $new_value ) )
         $errors[] = sprintf( T_('Invalid text color [%s] (must be 6 hex-chars).'), $new_value );
      else
         $tag->ColorFG = $new_value;

      // determine edits
      if ( $old_vals['name'] != $tag->Name ) $edits[] = T_('Name');
      if ( $old_vals['col_bg'] != $tag->ColorBG ) $edits[] = T_('Background color');
      if ( $old_vals['col_fg'] != $tag->ColorFG ) $edits[] = T_('Text color');
   }

   return array( $vars, array_unique($edits), $errors );
}//parse_edit_form

?>