imagecategory.php

讲的是网络编程

<?php
// $Id: imagecategory.php 1102 2007-10-19 02:55:52Z dugris $
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  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 //
//  ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu)                                          //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project                                                //
// ------------------------------------------------------------------------- //

if (!defined('XOOPS_ROOT_PATH')) {
	exit();
}

class XoopsImagecategory extends XoopsObject
{
	var $_imageCount;

	function XoopsImagecategory()
	{
		$this->XoopsObject();
		$this->initVar('imgcat_id', XOBJ_DTYPE_INT, null, false);
		$this->initVar('imgcat_name', XOBJ_DTYPE_TXTBOX, null, true, 100);
		$this->initVar('imgcat_display', XOBJ_DTYPE_INT, 1, false);
		$this->initVar('imgcat_weight', XOBJ_DTYPE_INT, 0, false);
		$this->initVar('imgcat_maxsize', XOBJ_DTYPE_INT, 0, false);
		$this->initVar('imgcat_maxwidth', XOBJ_DTYPE_INT, 0, false);
		$this->initVar('imgcat_maxheight', XOBJ_DTYPE_INT, 0, false);
		$this->initVar('imgcat_type', XOBJ_DTYPE_OTHER, null, false);
		$this->initVar('imgcat_storetype', XOBJ_DTYPE_OTHER, null, false);
	}

	function setImageCount($value)
	{
		$this->_imageCount = intval($value);
	}

	function getImageCount()
	{
		return $this->_imageCount;
	}
}

/**
* XOOPS image caetgory handler class.
* This class is responsible for providing data access mechanisms to the data source
* of XOOPS image category class objects.
*
*
* @author  Kazumi Ono <[e-mail]>
*/

class XoopsImagecategoryHandler extends XoopsObjectHandler
{

    function &create($isNew = true)
    {
        $imgcat = new XoopsImagecategory();
        if ($isNew) {
            $imgcat->setNew();
        }
        return $imgcat;
    }

    function &get($id)
    {
      $id = intval($id);
      $imgcat = false;
    	if ($id > 0) {
            $sql = 'SELECT * FROM '.$this->db->prefix('imagecategory').' WHERE imgcat_id='.$id;
            if (!$result = $this->db->query($sql)) {
                return $imgcat;
            }
            $numrows = $this->db->getRowsNum($result);
            if ($numrows == 1) {
                $imgcat = new XoopsImagecategory();
                $imgcat->assignVars($this->db->fetchArray($result));
            }
        }
        return $imgcat;
    }

    function insert(&$imgcat)
    {
        /**
        * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
        */
        if (!is_a($imgcat, 'xoopsimagecategory')) {
            return false;
        }

        if (!$imgcat->isDirty()) {
            return true;
        }
        if (!$imgcat->cleanVars()) {
            return false;
        }
        foreach ($imgcat->cleanVars as $k => $v) {
            ${$k} = $v;
        }
        if ($imgcat->isNew()) {
            $imgcat_id = $this->db->genId('imgcat_imgcat_id_seq');
            $sql = sprintf("INSERT INTO %s (imgcat_id, imgcat_name, imgcat_display, imgcat_weight, imgcat_maxsize, imgcat_maxwidth, imgcat_maxheight, imgcat_type, imgcat_storetype) VALUES (%u, %s, %u, %u, %u, %u, %u, %s, %s)", $this->db->prefix('imagecategory'), $imgcat_id, $this->db->quoteString($imgcat_name), $imgcat_display, $imgcat_weight, $imgcat_maxsize, $imgcat_maxwidth, $imgcat_maxheight, $this->db->quoteString($imgcat_type), $this->db->quoteString($imgcat_storetype));
        } else {
            $sql = sprintf("UPDATE %s SET imgcat_name = %s, imgcat_display = %u, imgcat_weight = %u, imgcat_maxsize = %u, imgcat_maxwidth = %u, imgcat_maxheight = %u, imgcat_type = %s WHERE imgcat_id = %u", $this->db->prefix('imagecategory'), $this->db->quoteString($imgcat_name), $imgcat_display, $imgcat_weight, $imgcat_maxsize, $imgcat_maxwidth, $imgcat_maxheight, $this->db->quoteString($imgcat_type), $imgcat_id);
        }
        if (!$result = $this->db->query($sql)) {
            return false;
        }
        if (empty($imgcat_id)) {
            $imgcat_id = $this->db->getInsertId();
        }
        $imgcat->assignVar('imgcat_id', $imgcat_id);
        return true;
    }

    function delete(&$imgcat)
    {
        /**
        * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
        */
        if (!is_a($imgcat, 'xoopsimagecategory')) {
            return false;
        }

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

    function getObjects($criteria = null, $id_as_key = false)
    {
        $ret = array();
        $limit = $start = 0;
        $sql = 'SELECT DISTINCT c.* FROM '.$this->db->prefix('imagecategory').' c LEFT JOIN '.$this->db->prefix('group_permission')." l ON l.gperm_itemid=c.imgcat_id WHERE (l.gperm_name = 'imgcat_read' OR l.gperm_name = 'imgcat_write')";
        if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
            $where = $criteria->render();
            $sql .= ($where != '') ? ' AND '.$where : '';
            $limit = $criteria->getLimit();
            $start = $criteria->getStart();
        }
		$sql .= ' ORDER BY imgcat_weight, imgcat_id ASC';
        $result = $this->db->query($sql, $limit, $start);
        if (!$result) {
            return $ret;
        }
        while ($myrow = $this->db->fetchArray($result)) {
            $imgcat = new XoopsImagecategory();
            $imgcat->assignVars($myrow);
            if (!$id_as_key) {
                $ret[] =& $imgcat;
            } else {
                $ret[$myrow['imgcat_id']] =& $imgcat;
            }
            unset($imgcat);
        }
        return $ret;
    }


    function getCount($criteria = null)
    {
        $sql = 'SELECT COUNT(*) FROM '.$this->db->prefix('imagecategory').' i LEFT JOIN '.$this->db->prefix('group_permission')." l ON l.gperm_itemid=i.imgcat_id WHERE (l.gperm_name = 'imgcat_read' OR l.gperm_name = 'imgcat_write')";
        if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
            $where = $criteria->render();
            $sql .= ($where != '') ? ' AND '.$where : '';
        }
        if (!$result =& $this->db->query($sql)) {
            return 0;
        }
        list($count) = $this->db->fetchRow($result);
        return $count;
    }

    function getList($groups = array(), $perm = 'imgcat_read', $display = null, $storetype = null)
    {
        $criteria = new CriteriaCompo();
        if (is_array($groups) && !empty($groups)) {
            $criteriaTray = new CriteriaCompo();
            foreach ($groups as $gid) {
                $criteriaTray->add(new Criteria('gperm_groupid', $gid), 'OR');
            }
            $criteria->add($criteriaTray);
            if ($perm == 'imgcat_read' || $perm == 'imgcat_write') {
                $criteria->add(new Criteria('gperm_name', $perm));
                $criteria->add(new Criteria('gperm_modid', 1));
            }
        }
        if (isset($display)) {
            $criteria->add(new Criteria('imgcat_display', intval($display)));
        }
        if (isset($storetype)) {
            $criteria->add(new Criteria('imgcat_storetype', $storetype));
        }
        $categories =& $this->getObjects($criteria, true);
        $ret = array();
        foreach (array_keys($categories) as $i) {
                $ret[$i] = $categories[$i]->getVar('imgcat_name');
        }
        return $ret;
    }
}
?>