<?php
// $Revision: 1.1.4.1.2.17 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2011 RIKEN, Japan All rights reserved.                //
//  http://xoonips.sourceforge.jp/                                           //
// ------------------------------------------------------------------------- //
//  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; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  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 //
// ------------------------------------------------------------------------- //
if ( ! defined( 'XOOPS_ROOT_PATH' ) ) {
  exit();
}

// xoonips index tree block
function b_xoonips_tree_show() {
  global $xoopsUser;
  global $xoonipsTreeCheckBox, $xoonipsSelectedTab, $xoonipsTreePrivateUid;
  global $xoonipsURL, $xoonipsEditIndex;
  global $xoonipsCheckPrivateHandlerId, $xoonipsEditPublic;
  global $xoonipsTree;

  $uid = is_object( $xoopsUser ) ? $xoopsUser->getVar( 'uid', 'n' ) : UID_GUEST;
  $puid = $uid;

  $textutil =& xoonips_getutility( 'text' );
  $formdata =& xoonips_getutility( 'formdata' );

  // view page hook
  // http://foo.bar/register.php
  //   -> http://foo.bar/modules/xoonips/registeruser.php
  // http://foo.bar/userinfo.php
  //   -> http://foo.bar/modules/xoonips/userinfo.php
  // http://foo.bar/user.php
  //   -> http://foo.bar/modules/xoonips/user.php
  $site_url = XOOPS_URL.'/';
  $site_url_base = '/';
  if ( preg_match( '/^(\\S+):\\/\\/([^\\/]+)((\\/[^\\/]+)*\\/)$/', $site_url, $matches ) ) {
    $site_url_base = $matches[3];
  }
  $current_script = ( isset( $_SERVER['SCRIPT_NAME'] ) ) ? $_SERVER['SCRIPT_NAME'] : '';
  if ( $current_script == $site_url_base.'register.php' ) {
    header( 'Location: modules/xoonips/registeruser.php' );
    exit();
  }
  if ( $current_script == $site_url_base.'userinfo.php' ) {
    $uid = $formdata->getValue( 'get', 'uid', 'i', false );
    $uid = isset( $uid ) ? '?uid='.$uid : '';
    header( 'Location: modules/xoonips/userinfo.php'.$uid );
    exit();
  }
  if ( $current_script == $site_url_base.'user.php' ) {
    $op = $formdata->getValue( 'both', 'op', 's', false );
    if ( is_null( $op ) ) {
      $xoops_redirect = $formdata->getValue( 'get', 'xoops_redirect', 's', false );
      $redirect = !empty($xoops_redirect) ? '?xoops_redirect='.urlencode($xoops_redirect) :'';
      header( 'Location: modules/xoonips/user.php'.$redirect );
      exit();
    }
  }

  // hide block if user is invalid xoonips user
  $xsession_handler =& xoonips_getormhandler( 'xoonips', 'session' );
  if ( ! $xsession_handler->validateUser( $uid, false ) ) {
    return false;
  }

  // record view top page event
  $eventlog_handler =& xoonips_getormhandler( 'xoonips', 'event_log' );
  $eventlog_handler->recordViewTopPageEvent();

  // load handlers
  $xconfig_handler =& xoonips_getormhandler( 'xoonips', 'config' );
  $xuser_handler =& xoonips_getormhandler( 'xoonips', 'users' );
  $title_handler =& xoonips_getormhandler( 'xoonips', 'title' );
  $xmember_handler =& xoonips_gethandler( 'xoonips', 'member' );
  $xgroup_handler =& xoonips_gethandler( 'xoonips', 'group' );

  // get configs
  $tree_frame_width = $xconfig_handler->getValue( 'tree_frame_width' );
  $tree_frame_height = $xconfig_handler->getValue( 'tree_frame_height' );
  $public_item_target_user = $xconfig_handler->getValue( 'public_item_target_user' );

  // set query for tree.php of inline frame
  $query = array();
  if ( ! empty( $xoonipsTreeCheckBox ) ) {
    $query[] = 'checkbox=1';
  }
  if ( ! empty( $xoonipsEditIndex ) ) {
    $query[] = 'edit=1';
  }
  if ( ! empty( $xoonipsCheckPrivateHandlerId ) ) {
    $query[] = 'on_check_private_handler_id='.$xoonipsCheckPrivateHandlerId;
  }
  if ( isset( $xoonipsURL ) ) {
    $query[] = 'url='.urlencode( $xoonipsURL );
  }
  if ( ! empty( $xoonipsSelectedTab ) ) {
    $query[] = 'selected_tab='.$xoonipsSelectedTab;
  }
  if ( ! empty( $xoonipsEditPublic ) ) {
    $query[] = 'edit_public=1';
  }
  if ( ! empty( $xoonipsTreePrivateUid ) ) {
    $query[] = 'puid='.$xoonipsTreePrivateUid;
    $puid = $xoonipsTreePrivateUid;
  }
  if ( ! empty( $xoonipsTree ) ) {
    if ( isset( $xoonipsTree['onclick_title'] ) ) {
      $query[] = 'onclick_title='.$xoonipsTree['onclick_title'];
    }
    if ( isset( $xoonipsTree['private_only'] ) && $xoonipsTree['private_only'] ) {
      $query[] = 'private_only=1';
    }
  }

  // get user informations
  $pxid = 0;
  if ( $puid != UID_GUEST ) {
    $xuser_obj =& $xuser_handler->get( $puid );
    if ( is_object( $xuser_obj ) ) {
      $pxid = $xuser_obj->getVar( 'private_index_id', 'n' );
    }
  }
  $is_moderator = $xmember_handler->isModerator( $uid );

  // get indexes
  $xids = array();
  if ( $uid == UID_GUEST ) {
    if ( $public_item_target_user == 'all' ) {
      // guest user can view public index
      $xids[] = IID_PUBLIC;
    } else {
      // disable to show public index
    }
  } else {
    // login users
    if ( ! empty( $xoonipsEditIndex ) ) {
      // edit index - show editable indexes
      if ( $is_moderator || ! empty( $xoonipsEditPublic ) && ! empty( $_SESSION['xoonips_old_uid'] ) ) {
        $xids[] = IID_PUBLIC;
      }
      $xids = array_merge( $xids, $xgroup_handler->getGroupRootIndexIds( $puid, false ) );
      $xids[] = $pxid;
    } else if ( isset( $xoonipsTree['private_only'] ) && $xoonipsTree['private_only'] ) {
      // only private index only mode
      if ( $pxid != 0 ) {
        $xids[] = $pxid;
      }
    } else {
      $xids[] = IID_PUBLIC;
      $xids = array_merge( $xids, $xgroup_handler->getGroupRootIndexIds( $puid, false ) );
      if ( $pxid != 0 ) {
        $xids[] = $pxid;
      }
    }
  }
  $indexes = array();
  foreach ( $xids as $xid ) {
    if ( $xid == $pxid && $puid == $uid ) {
      $title = XNP_PRIVATE_INDEX_TITLE;
    } else {
      $criteria = new CriteriaCompo( new Criteria( 'item_id', $xid ) );
      $criteria->add( new Criteria( 'title_id', DEFAULT_INDEX_TITLE_OFFSET ) );
      $title_objs =& $title_handler->getObjects( $criteria );
      $title = $textutil->html_special_chars( $title_objs[0]->get( 'title' ) );
    }
    $indexes[] = array(
      'item_id' => $xid,
      'title' => $title,
    );
  }

  // assign block template variables
  $block = array();
  $block['tree_frame_width'] = $tree_frame_width;
  $block['tree_frame_height'] = $tree_frame_height;
  $block['query'] = implode( '&amp;', $query );
  $block['isKHTML'] = ( strstr( $_SERVER['HTTP_USER_AGENT'], 'KHTML' ) !== false );
  $block['checkbox'] = ! empty( $xoonipsTreeCheckBox );
  $block['indexes'] = $indexes;

  return $block;
}

?>
