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   1  <?php
   2  // $Id: image.php 1434 2008-04-06 14:28:52Z phppp $

   3  //  ------------------------------------------------------------------------ //

   4  //                XOOPS - PHP Content Management System                      //

   5  //                    Copyright (c) 2000 XOOPS.org                           //

   6  //                       <http://www.xoops.org/>                             //

   7  //  ------------------------------------------------------------------------ //

   8  //  This program is free software; you can redistribute it and/or modify     //

   9  //  it under the terms of the GNU General Public License as published by     //

  10  //  the Free Software Foundation; either version 2 of the License, or        //

  11  //  (at your option) any later version.                                      //

  12  //                                                                           //

  13  //  You may not change or alter any portion of this comment or credits       //

  14  //  of supporting developers from this source code or any supporting         //

  15  //  source code which is considered copyrighted (c) material of the          //

  16  //  original comment or credit authors.                                      //

  17  //                                                                           //

  18  //  This program is distributed in the hope that it will be useful,          //

  19  //  but WITHOUT ANY WARRANTY; without even the implied warranty of           //

  20  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //

  21  //  GNU General Public License for more details.                             //

  22  //                                                                           //

  23  //  You should have received a copy of the GNU General Public License        //

  24  //  along with this program; if not, write to the Free Software              //

  25  //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //

  26  //  ------------------------------------------------------------------------ //

  27  // Author: Kazumi Ono (AKA onokazu)                                          //

  28  // URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //

  29  // Project: The XOOPS Project                                                //

  30  // ------------------------------------------------------------------------- //

  31  
  32  if (!defined('XOOPS_ROOT_PATH')) {
  33      exit();
  34  }
  35  
  36  /**

  37   * An Image

  38   *

  39   * @package        kernel

  40   * @author        Kazumi Ono     <onokazu@xoops.org>

  41   * @copyright    (c) 2000-2003 The Xoops Project - www.xoops.org

  42   */
  43  class XoopsImage extends XoopsObject
  44  {
  45      /**

  46       * Constructor

  47       **/
  48  	function XoopsImage()
  49      {
  50          $this->XoopsObject();
  51          $this->initVar('image_id', XOBJ_DTYPE_INT, null, false);
  52          $this->initVar('image_name', XOBJ_DTYPE_OTHER, null, false, 30);
  53          $this->initVar('image_nicename', XOBJ_DTYPE_TXTBOX, null, true, 100);
  54          $this->initVar('image_mimetype', XOBJ_DTYPE_OTHER, null, false);
  55          $this->initVar('image_created', XOBJ_DTYPE_INT, null, false);
  56          $this->initVar('image_display', XOBJ_DTYPE_INT, 1, false);
  57          $this->initVar('image_weight', XOBJ_DTYPE_INT, 0, false);
  58          $this->initVar('image_body', XOBJ_DTYPE_SOURCE, null, true);
  59          $this->initVar('imgcat_id', XOBJ_DTYPE_INT, 0, false);
  60      }
  61  }
  62  
  63  /**

  64   * XOOPS image handler class.

  65   *

  66   * This class is responsible for providing data access mechanisms to the data source

  67   * of XOOPS image class objects.

  68   *

  69   * @package        kernel

  70   *

  71   * @author        Kazumi Ono     <onokazu@xoops.org>

  72   * @copyright    (c) 2000-2003 The Xoops Project - www.xoops.org

  73   */
  74  class XoopsImageHandler extends XoopsObjectHandler
  75  {
  76  
  77      /**

  78       * Create a new {@link XoopsImage}

  79       *

  80       * @param   boolean $isNew  Flag the object as "new"

  81       * @return  object

  82       **/
  83      function &create($isNew = true)
  84      {
  85          $image = new XoopsImage();
  86          if ($isNew) {
  87              $image->setNew();
  88          }
  89          return $image;
  90      }
  91  
  92      /**

  93       * Load a {@link XoopsImage} object from the database

  94       *

  95       * @param   int     $id     ID

  96       * @param   boolean $getbinary

  97       * @return  object  {@link XoopsImage}, FALSE on fail

  98       **/
  99      function &get($id, $getbinary=true)
 100      {
 101          $image = false;
 102          $id = intval($id);
 103          if ($id > 0) {
 104              $sql = 'SELECT i.*, b.image_body FROM '.$this->db->prefix('image').' i LEFT JOIN '.$this->db->prefix('imagebody').' b ON b.image_id=i.image_id WHERE i.image_id='.$id;
 105              if (!$result = $this->db->query($sql)) {
 106                  return $image;
 107              }
 108              $numrows = $this->db->getRowsNum($result);
 109              if ($numrows == 1) {
 110                  $image = new XoopsImage();
 111                  $image->assignVars($this->db->fetchArray($result));
 112              }
 113          }
 114          return $image;
 115      }
 116  
 117      /**

 118       * Write a {@link XoopsImage} object to the database

 119       *

 120       * @param   object  &$image {@link XoopsImage}

 121       * @return  bool

 122       **/
 123      function insert(&$image)
 124      {
 125          /**

 126          * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5

 127          */
 128          if (!is_a($image, 'xoopsimage')) {
 129              return false;
 130          }
 131  
 132          if (!$image->isDirty()) {
 133              return true;
 134          }
 135          if (!$image->cleanVars()) {
 136              return false;
 137          }
 138          foreach ($image->cleanVars as $k => $v) {
 139              ${$k} = $v;
 140          }
 141          if ($image->isNew()) {
 142              $image_id = $this->db->genId('image_image_id_seq');
 143              $sql = sprintf("INSERT INTO %s (image_id, image_name, image_nicename, image_mimetype, image_created, image_display, image_weight, imgcat_id) VALUES (%u, %s, %s, %s, %u, %u, %u, %u)", $this->db->prefix('image'), $image_id, $this->db->quoteString($image_name), $this->db->quoteString($image_nicename), $this->db->quoteString($image_mimetype), time(), $image_display, $image_weight, $imgcat_id);
 144              if (!$result = $this->db->query($sql)) {
 145                  return false;
 146              }
 147              if (empty($image_id)) {
 148                  $image_id = $this->db->getInsertId();
 149              }
 150              if (isset($image_body) && $image_body != '') {
 151                  $sql = sprintf("INSERT INTO %s (image_id, image_body) VALUES (%u, %s)", $this->db->prefix('imagebody'), $image_id, $this->db->quoteString($image_body));
 152                  if (!$result = $this->db->query($sql)) {
 153                      $sql = sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('image'), $image_id);
 154                      $this->db->query($sql);
 155                      return false;
 156                  }
 157              }
 158              $image->assignVar('image_id', $image_id);
 159          } else {
 160              $sql = sprintf("UPDATE %s SET image_name = %s, image_nicename = %s, image_display = %u, image_weight = %u, imgcat_id = %u WHERE image_id = %u", $this->db->prefix('image'), $this->db->quoteString($image_name), $this->db->quoteString($image_nicename), $image_display, $image_weight, $imgcat_id, $image_id);
 161              if (!$result = $this->db->query($sql)) {
 162                  return false;
 163              }
 164              if (isset($image_body) && $image_body != '') {
 165                  $sql = sprintf("UPDATE %s SET image_body = %s WHERE image_id = %u", $this->db->prefix('imagebody'), $this->db->quoteString($image_body), $image_id);
 166                  if (!$result = $this->db->query($sql)) {
 167                      $this->db->query(sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('image'), $image_id));
 168                      return false;
 169                  }
 170              }
 171          }
 172          return true;
 173      }
 174  
 175      /**

 176       * Delete an image from the database

 177       *

 178       * @param   object  &$image {@link XoopsImage}

 179       * @return  bool

 180       **/
 181      function delete(&$image)
 182      {
 183          /**

 184          * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5

 185          */
 186          if (!is_a($image, 'xoopsimage')) {
 187              return false;
 188          }
 189  
 190          $id = $image->getVar('image_id');
 191          $sql = sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('image'), $id);
 192          if (!$result = $this->db->query($sql)) {
 193              return false;
 194          }
 195          $sql = sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('imagebody'), $id);
 196          $this->db->query($sql);
 197          return true;
 198      }
 199  
 200      /**

 201       * Load {@link XoopsImage}s from the database

 202       *

 203       * @param   object  $criteria   {@link CriteriaElement}

 204       * @param   boolean $id_as_key  Use the ID as key into the array

 205       * @param   boolean $getbinary

 206       * @return  array   Array of {@link XoopsImage} objects

 207       **/
 208      function getObjects($criteria = null, $id_as_key = false, $getbinary = false)
 209      {
 210          $ret = array();
 211          $limit = $start = 0;
 212          if ($getbinary) {
 213              $sql = 'SELECT i.*, b.image_body FROM '.$this->db->prefix('image').' i LEFT JOIN '.$this->db->prefix('imagebody').' b ON b.image_id=i.image_id';
 214          } else {
 215              $sql = 'SELECT * FROM '.$this->db->prefix('image');
 216          }
 217          if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
 218              $sql .= ' '.$criteria->renderWhere();
 219              $sort = !in_array($criteria->getSort(), array('image_id', 'image_created', 'image_mimetype', 'image_display', 'image_weight')) ? 'image_weight' : $criteria->getSort();
 220              $sql .= ' ORDER BY '.$sort.' '.$criteria->getOrder();
 221              $limit = $criteria->getLimit();
 222              $start = $criteria->getStart();
 223          }
 224          $result = $this->db->query($sql, $limit, $start);
 225          if (!$result) {
 226              return $ret;
 227          }
 228          while ($myrow = $this->db->fetchArray($result)) {
 229              $image = new XoopsImage();
 230              $image->assignVars($myrow);
 231              if (!$id_as_key) {
 232                  $ret[] =& $image;
 233              } else {
 234                  $ret[$myrow['image_id']] =& $image;
 235              }
 236              unset($image);
 237          }
 238          return $ret;
 239      }
 240  
 241      /**

 242       * Count some images

 243       *

 244       * @param   object  $criteria   {@link CriteriaElement}

 245       * @return  int

 246       **/
 247      function getCount($criteria = null)
 248      {
 249          $sql = 'SELECT COUNT(*) FROM '.$this->db->prefix('image');
 250          if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
 251              $sql .= ' '.$criteria->renderWhere();
 252          }
 253          if (!$result =& $this->db->query($sql)) {
 254              return 0;
 255          }
 256          list($count) = $this->db->fetchRow($result);
 257          return $count;
 258      }
 259  
 260      /**

 261       * Get a list of images

 262       *

 263       * @param   int     $imgcat_id

 264       * @param   bool    $image_display

 265       * @return  array   Array of {@link XoopsImage} objects

 266       **/
 267      function getList($imgcat_id, $image_display = null)
 268      {
 269          $criteria = new CriteriaCompo(new Criteria('imgcat_id', intval($imgcat_id)));
 270          if (isset($image_display)) {
 271              $criteria->add(new Criteria('image_display', intval($image_display)));
 272          }
 273          $images = $this->getObjects($criteria, false, true);
 274          $ret = array();
 275          foreach (array_keys($images) as $i) {
 276              $ret[$images[$i]->getVar('image_name')] = $images[$i]->getVar('image_nicename');
 277          }
 278          return $ret;
 279      }
 280  }
 281  ?>