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Path: /data/applications/aps/xoops/2.5.1a-0/standard/htdocs/kernel/ [ Home ]
File: image.php
<?php
/**
 * XOOPS Kernel Class
 *
 * 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.
 *
 * @copyright       The XOOPS Project http://sourceforge.net/projects/xoops/
 * @license         GNU GPL 2 (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
 * @package         kernel
 * @since           2.0.0
 * @author          Kazumi Ono (AKA onokazu) http://www.myweb.ne.jp/, http://jp.xoops.org/
 * @version         $Id: image.php 4941 2010-07-22 17:13:36Z beckmi $
 */
defined('XOOPS_ROOT_PATH') or die('Restricted access');

/**
 * An Image
 *
 * @package		kernel
 * @author		Kazumi Ono 	<onokazu@xoops.org>
 * @copyright	(c) 2000-2003 The Xoops Project - www.xoops.org
 */
class XoopsImage extends XoopsObject
{
    /**
     * Constructor
     **/
    function XoopsImage()
    {
        $this->XoopsObject();
        $this->initVar('image_id', XOBJ_DTYPE_INT, null, false);
        $this->initVar('image_name', XOBJ_DTYPE_OTHER, null, false, 30);
        $this->initVar('image_nicename', XOBJ_DTYPE_TXTBOX, null, true, 100);
        $this->initVar('image_mimetype', XOBJ_DTYPE_OTHER, null, false);
        $this->initVar('image_created', XOBJ_DTYPE_INT, null, false);
        $this->initVar('image_display', XOBJ_DTYPE_INT, 1, false);
        $this->initVar('image_weight', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('image_body', XOBJ_DTYPE_SOURCE, null, true);
        $this->initVar('imgcat_id', XOBJ_DTYPE_INT, 0, false);
    }

    /**
     * Returns Class Base Variable image_id
     */
    function id($format = 'N')
    {
        return $this->getVar('image_id', $format);
    }

    /**
     * Returns Class Base Variable image_id
     */
    function image_id($format = '')
    {
        return $this->getVar('image_id', $format);
    }

    /**
     * Returns Class Base Variable image_name
     */
    function image_name($format = '')
    {
        return $this->getVar('image_name', $format);
    }

    /**
     * Returns Class Base Variable image_nicename
     */
    function image_nicename($format = '')
    {
        return $this->getVar('image_nicename', $format);
    }

    /**
     * Returns Class Base Variable image_mimetype
     */
    function image_mimetype($format = '')
    {
        return $this->getVar('image_mimetype', $format);
    }

    /**
     * Returns Class Base Variable image_created
     */
    function image_created($format = '')
    {
        return $this->getVar('image_created', $format);
    }

    /**
     * Returns Class Base Variable image_display
     */
    function image_display($format = '')
    {
        return $this->getVar('image_display', $format);
    }

    /**
     * Returns Class Base Variable image_weight
     */
    function image_weight($format = '')
    {
        return $this->getVar('image_weight', $format);
    }

    /**
     * Returns Class Base Variable image_body
     */
    function image_body($format = '')
    {
        return $this->getVar('image_body', $format);
    }

    /**
     * Returns Class Base Variable imgcat_id
     */
    function imgcat_id($format = '')
    {
        return $this->getVar('imgcat_id', $format);
    }

}

/**
 * XOOPS image handler class.
 *
 * This class is responsible for providing data access mechanisms to the data source
 * of XOOPS image class objects.
 *
 * @package		kernel
 *
 * @author		Kazumi Ono 	<onokazu@xoops.org>
 * @copyright	(c) 2000-2003 The Xoops Project - www.xoops.org
 */
class XoopsImageHandler extends XoopsObjectHandler
{
    /**
     * Create a new {@link XoopsImage}
     *
     * @param   boolean $isNew  Flag the object as "new"
     * @return  object
     **/
    function &create($isNew = true)
    {
        $image = new XoopsImage();
        if ($isNew) {
            $image->setNew();
        }
        return $image;
    }

    /**
     * Load a {@link XoopsImage} object from the database
     *
     * @param   int     $id     ID
     * @param   boolean $getbinary
     * @return  object  {@link XoopsImage}, FALSE on fail
     **/
    function &get($id, $getbinary = true)
    {
        $image = false;
        $id = intval($id);
        if ($id > 0) {
            $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=' . $id;
            if (!$result = $this->db->query($sql)) {
                return $image;
            }
            $numrows = $this->db->getRowsNum($result);
            if ($numrows == 1) {
                $image = new XoopsImage();
                $image->assignVars($this->db->fetchArray($result));
            }
        }
        return $image;
    }

    /**
     * Write a {@link XoopsImage} object to the database
     *
     * @param   object  &$image {@link XoopsImage}
     * @return  bool
     **/
    function insert(&$image)
    {
        /**
         * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
         */
        if (!is_a($image, 'xoopsimage')) {
            return false;
        }

        if (!$image->isDirty()) {
            return true;
        }
        if (!$image->cleanVars()) {
            return false;
        }
        foreach ($image->cleanVars as $k => $v) {
            ${$k} = $v;
        }
        if ($image->isNew()) {
            $image_id = $this->db->genId('image_image_id_seq');
            $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, $imgcat_id);
            if (!$result = $this->db->query($sql)) {
                return false;
            }
            if (empty($image_id)) {
                $image_id = $this->db->getInsertId();
            }
            if (isset($image_body) && $image_body != '') {
                $sql = sprintf("INSERT INTO %s (image_id, image_body) VALUES (%u, %s)", $this->db->prefix('imagebody'), $image_id, $this->db->quoteString($image_body));
                if (!$result = $this->db->query($sql)) {
                    $sql = sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('image'), $image_id);
                    $this->db->query($sql);
                    return false;
                }
            }
            $image->assignVar('image_id', $image_id);
        } else {
            $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, $image_id);
            if (!$result = $this->db->query($sql)) {
                return false;
            }
            if (isset($image_body) && $image_body != '') {
                $sql = sprintf("UPDATE %s SET image_body = %s WHERE image_id = %u", $this->db->prefix('imagebody'), $this->db->quoteString($image_body), $image_id);
                if (!$result = $this->db->query($sql)) {
                    $this->db->query(sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('image'), $image_id));
                    return false;
                }
            }
        }
        return true;
    }

    /**
     * Delete an image from the database
     *
     * @param   object  &$image {@link XoopsImage}
     * @return  bool
     **/
    function delete(&$image)
    {
        /**
         * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
         */
        if (!is_a($image, 'xoopsimage')) {
            return false;
        }

        $id = $image->getVar('image_id');
        $sql = sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('image'), $id);
        if (!$result = $this->db->query($sql)) {
            return false;
        }
        $sql = sprintf("DELETE FROM %s WHERE image_id = %u", $this->db->prefix('imagebody'), $id);
        $this->db->query($sql);
        return true;
    }

    /**
     * Load {@link XoopsImage}s from the database
     *
     * @param   object  $criteria   {@link CriteriaElement}
     * @param   boolean $id_as_key  Use the ID as key into the array
     * @param   boolean $getbinary
     * @return  array   Array of {@link XoopsImage} objects
     **/
    function getObjects($criteria = null, $id_as_key = false, $getbinary = false)
    {
        $ret = array();
        $limit = $start = 0;
        if ($getbinary) {
            $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';
        } else {
            $sql = 'SELECT * FROM ' . $this->db->prefix('image');
        }
        if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
            $sql .= ' ' . $criteria->renderWhere();
            $sort = $criteria->getSort() == '' ? 'image_weight' : $criteria->getSort();
            $sql .= ' ORDER BY ' . $sort . ' ' . $criteria->getOrder();
            $limit = $criteria->getLimit();
            $start = $criteria->getStart();
        }
        $result = $this->db->query($sql, $limit, $start);
        if (!$result) {
            return $ret;
        }
        while ($myrow = $this->db->fetchArray($result)) {
            $image = new XoopsImage();
            $image->assignVars($myrow);
            if (!$id_as_key) {
                $ret[] =& $image;
            } else {
                $ret[$myrow['image_id']] =& $image;
            }
            unset($image);
        }
        return $ret;
    }

    /**
     * Count some images
     *
     * @param   object  $criteria   {@link CriteriaElement}
     * @return  int
     **/
    function getCount($criteria = null)
    {
        $sql = 'SELECT COUNT(*) FROM ' . $this->db->prefix('image');
        if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
            $sql .= ' ' . $criteria->renderWhere();
        }
        if (!$result =& $this->db->query($sql)) {
            return 0;
        }
        list ($count) = $this->db->fetchRow($result);
        return $count;
    }

    /**
     * Get a list of images
     *
     * @param   int     $imgcat_id
     * @param   bool    $image_display
     * @return  array   Array of {@link XoopsImage} objects
     **/
    function getList($imgcat_id, $image_display = null)
    {
        $criteria = new CriteriaCompo(new Criteria('imgcat_id', intval($imgcat_id)));
        if (isset($image_display)) {
            $criteria->add(new Criteria('image_display', intval($image_display)));
        }
        $images = $this->getObjects($criteria, false, true);
        $ret = array();
        foreach (array_keys($images) as $i) {
            $ret[$images[$i]->getVar('image_name')] = $images[$i]->getVar('image_nicename');
        }
        return $ret;
    }
}
?>