admin.categories.php

Joomla!是一套获得过多个奖项的内容管理系统(Content Management System, CMS)。Joomla!采用PHP+MySQL数据库开发

<?php
/**
 * @version		$Id: admin.categories.php 11633 2009-02-19 23:59:09Z willebil $
 * @package		Joomla
 * @subpackage	Categories
 * @copyright	Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
 * @license		GNU/GPL, see LICENSE.php
 * Joomla! is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * See COPYRIGHT.php for copyright notices and details.
 */

// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

require_once( JApplicationHelper::getPath( 'admin_html' ) );

// get parameters from the URL or submitted form
$section 	= JRequest::getCmd( 'section', 'com_content' );
$cid 		= JRequest::getVar( 'cid', array(0), '', 'array' );
JArrayHelper::toInteger($cid, array(0));

switch (JRequest::getCmd('task'))
{
	case 'add' :
		editCategory(false);
		break;

	case 'edit':
		editCategory(true);
		break;

	case 'moveselect':
		moveCategorySelect( $option, $cid, $section );
		break;

	case 'movesave':
		moveCategorySave( $cid, $section );
		break;

	case 'copyselect':
		copyCategorySelect( $option, $cid, $section );
		break;

	case 'copysave':
		copyCategorySave( $cid, $section );
		break;

	case 'go2menu':
	case 'go2menuitem':
	case 'save':
	case 'apply':
		saveCategory( );
		break;

	case 'remove':
		removeCategories( $section, $cid );
		break;

	case 'publish':
		publishCategories( $section, $cid, 1 );
		break;

	case 'unpublish':
		publishCategories( $section, $cid, 0 );
		break;

	case 'cancel':
		cancelCategory();
		break;

	case 'orderup':
		orderCategory( $cid[0], -1 );
		break;

	case 'orderdown':
		orderCategory( $cid[0], 1 );
		break;

	case 'accesspublic':
		accessMenu( $cid[0], 0, $section );
		break;

	case 'accessregistered':
		accessMenu( $cid[0], 1, $section );
		break;

	case 'accessspecial':
		accessMenu( $cid[0], 2, $section );
		break;

	case 'saveorder':
		saveOrder( $cid, $section );
		break;

	default:
		showCategories( $section, $option );
		break;
}

/**
* Compiles a list of categories for a section
* @param string The name of the category section
*/
function showCategories( $section, $option )
{
	global $mainframe;

	$db					=& JFactory::getDBO();
	$filter_order		= $mainframe->getUserStateFromRequest( $option.'.filter_order',					'filter_order',		'c.ordering',	'cmd' );
	$filter_order_Dir	= $mainframe->getUserStateFromRequest( $option.'.filter_order_Dir',				'filter_order_Dir',	'',				'word' );
	$filter_state		= $mainframe->getUserStateFromRequest( $option.'.'.$section.'.filter_state',	'filter_state',		'',				'word' );
	$sectionid			= $mainframe->getUserStateFromRequest( $option.'.'.$section.'.sectionid',		'sectionid',		0,				'int' );
	$search				= $mainframe->getUserStateFromRequest( $option.'.search',						'search',			'',				'string' );
	$search				= JString::strtolower( $search );

	$limit		= $mainframe->getUserStateFromRequest( 'global.list.limit', 'limit', $mainframe->getCfg('list_limit'), 'int' );
	$limitstart	= $mainframe->getUserStateFromRequest( $option.'.limitstart', 'limitstart', 0, 'int' );

	$section_name 	= '';
	$content_add 	= '';
	$content_join 	= '';
	$order 			= ' ORDER BY '. $filter_order .' '. $filter_order_Dir .', c.ordering';
	if (intval( $section ) > 0) {
		$table = 'content';

		$query = 'SELECT title'
		. ' FROM #__sections'
		. ' WHERE id = '.(int) $section;
		$db->setQuery( $query );
		$section_name = $db->loadResult();
		$section_name = JText::sprintf( 'Content:', JText::_( $section_name ) );
		$where 	= ' WHERE c.section = '.$db->Quote($section);
		$type 	= 'content';
	} else if (strpos( $section, 'com_' ) === 0) {
		$table = substr( $section, 4 );

		$query = 'SELECT name'
		. ' FROM #__components'
		. ' WHERE link = '.$db->Quote('option='.$section);
		;
		$db->setQuery( $query );
		$section_name = $db->loadResult();
		$where 	= ' WHERE c.section = '.$db->Quote($section);
		$type 	= 'other';
		// special handling for contact component
		if ( $section == 'com_contact_details' ) {
			$section_name 	= JText::_( 'Contact' );
		}
		$section_name = JText::sprintf( 'Component:', $section_name );
	} else {
		$table 	= $section;
		$where 	= ' WHERE c.section = '.$db->Quote($section);
		$type 	= 'other';
	}

	// get the total number of records
	$query = 'SELECT COUNT(*)'
	. ' FROM #__categories'
	;
	if ($section == 'com_content')
	{
		if($sectionid > 0)
		{
			$query .= ' WHERE section = '.(int) $sectionid;
		} else {
			$query .= ' WHERE section > 0';
		}
	} else {
		$query .= ' WHERE section = '.$db->quote($section);
	}
	if ( $filter_state ) {
		if ( $filter_state == 'P' ) {
			$query .= ' AND published = 1';
		} else if ($filter_state == 'U' ) {
			$query .= ' AND published = 0';
		}
	}
	$db->setQuery( $query );
	$total = $db->loadResult();

	// allows for viweing of all content categories
	if ( $section == 'com_content' ) {
		$table 			= 'content';
		$content_add 	= ' , z.title AS section_name';
		$content_join 	= ' LEFT JOIN #__sections AS z ON z.id = c.section';
		$where 			= ' WHERE c.section NOT LIKE "%com_%"';
		if ($filter_order == 'c.ordering'){
			$order 			= ' ORDER BY  z.title, c.ordering '. $filter_order_Dir;
		} else {
			$order 			= ' ORDER BY  '.$filter_order.' '. $filter_order_Dir.', z.title, c.ordering';
		}

		$section_name 	= JText::_( 'All Content:' );

		$type 			= 'content';
	}

	// used by filter
	if ( $sectionid > 0 ) {
		$filter = ' AND c.section = '.$db->Quote($sectionid);
	} else {
		$filter = '';
	}
	if ( $filter_state ) {
		if ( $filter_state == 'P' ) {
			$filter .= ' AND c.published = 1';
		} else if ($filter_state == 'U' ) {
			$filter .= ' AND c.published = 0';
		}
	}
	if ($search) {
		$filter .= ' AND LOWER(c.title) LIKE '.$db->Quote( '%'.$db->getEscaped( $search, true ).'%', false );
	}

	jimport('joomla.html.pagination');
	$pageNav = new JPagination( $total, $limitstart, $limit );

	$tablesAllowed = $db->getTableList();
	if (!in_array($db->getPrefix().$table, $tablesAllowed)) {
		$table = 'content';
	}

	$query = 'SELECT  c.*, c.checked_out as checked_out_contact_category, g.name AS groupname, u.name AS editor, COUNT( DISTINCT s2.checked_out ) AS checked_out_count'
	. $content_add
	. ' FROM #__categories AS c'
	. ' LEFT JOIN #__users AS u ON u.id = c.checked_out'
	. ' LEFT JOIN #__groups AS g ON g.id = c.access'
	. ' LEFT JOIN #__'.$table.' AS s2 ON s2.catid = c.id AND s2.checked_out > 0'
	. $content_join
	. $where
	. $filter
	. ' AND c.published != -2'
	. ' GROUP BY c.id'
	. $order
	;
	$db->setQuery( $query, $pageNav->limitstart, $pageNav->limit );
	$rows = $db->loadObjectList();
	if ($db->getErrorNum()) {
		echo $db->stderr();
		return;
	}

	$count = count( $rows );
	// number of Active Items
	for ( $i = 0; $i < $count; $i++ ) {
		$query = 'SELECT COUNT( a.id )'
		. ' FROM #__content AS a'
		. ' WHERE a.catid = '. (int) $rows[$i]->id
		. ' AND a.state <> -2'
		;
		$db->setQuery( $query );
		$active = $db->loadResult();
		$rows[$i]->active = $active;
	}
	// number of Trashed Items
	for ( $i = 0; $i < $count; $i++ ) {
		$query = 'SELECT COUNT( a.id )'
		. ' FROM #__content AS a'
		. ' WHERE a.catid = '. (int) $rows[$i]->id
		. ' AND a.state = -2'
		;
		$db->setQuery( $query );
		$trash = $db->loadResult();
		$rows[$i]->trash = $trash;
	}

	// get list of sections for dropdown filter
	$javascript = 'onchange="document.adminForm.submit();"';
	$lists['sectionid']	= JHTML::_('list.section',  'sectionid', $sectionid, $javascript, 'ordering', false );

	// state filter
	$lists['state']	= JHTML::_('grid.state',  $filter_state );

	// table ordering
	$lists['order_Dir'] = $filter_order_Dir;
	$lists['order']		= $filter_order;

	// search filter
	$lists['search']= $search;

	categories_html::show( $rows, $section, $section_name, $pageNav, $lists, $type );
}

/**
* Compiles information to add or edit a category
* @param string The name of the category section
* @param integer The unique id of the category to edit (0 if new)
* @param string The name of the current user
*/
function editCategory($edit )
{
	global $mainframe;

	// Initialize variables
	$db			=& JFactory::getDBO();
	$user 		=& JFactory::getUser();
	$uid		= $user->get('id');

	$type		= JRequest::getCmd( 'type' );
	$redirect	= JRequest::getCmd( 'section', 'com_content' );
	$section	= JRequest::getCmd( 'section', 'com_content' );
	$cid		= JRequest::getVar( 'cid', array(0), '', 'array' );

	JArrayHelper::toInteger($cid, array(0));

	// check for existance of any sections
	$query = 'SELECT COUNT( id )'
	. ' FROM #__sections'
	. ' WHERE scope = "content"'
	;
	$db->setQuery( $query );
	$sections = $db->loadResult();
	if (!$sections && $type != 'other'
			&& $section != 'com_weblinks'
			&& $section != 'com_newsfeeds'
			&& $section != 'com_contact_details'
			&& $section != 'com_banner') {
		$mainframe->redirect( 'index.php?option=com_categories&section='. $section, JText::_( 'WARNSECTION', true ) );
	}

	$row =& JTable::getInstance('category');
	// load the row from the db table
	if ($edit)
		$row->load( $cid[0] );

	// fail if checked out not by 'me'
	if ( JTable::isCheckedOut($user->get ('id'), $row->checked_out )) {
		$msg = JText::sprintf( 'DESCBEINGEDITTED', JText::_( 'The category' ), $row->title );
		$mainframe->redirect( 'index.php?option=com_categories&section='. $row->section, $msg );
	}

	if ( $edit ) {
		$row->checkout( $user->get('id'));
	} else {
		$row->published 	= 1;
	}


	// make order list
	$order = array();
	$query = 'SELECT COUNT(*)'
	. ' FROM #__categories'
	. ' WHERE section = '.$db->Quote($row->section)
	;
	$db->setQuery( $query );
	$max = intval( $db->loadResult() ) + 1;

	for ($i=1; $i < $max; $i++) {
		$order[] = JHTML::_('select.option',  $i );
	}

	// build the html select list for sections
	if ( $section == 'com_content' ) {

		if (!$row->section && JRequest::getInt('sectionid')) {
		    $row->section = JRequest::getInt('sectionid');
		}

		$query = 'SELECT s.id AS value, s.title AS text'
		. ' FROM #__sections AS s'
		. ' ORDER BY s.ordering'
		;
		$db->setQuery( $query );
		$sections = $db->loadObjectList();
		$lists['section'] = JHTML::_('select.genericlist',   $sections, 'section', 'class="inputbox" size="1"', 'value', 'text', $row->section );
	} else {
		if ( $type == 'other' ) {
			$section_name = JText::_( 'N/A' );
		} else {
			$temp =& JTable::getInstance('section');
			$temp->load( $row->section );
			$section_name = $temp->name;
		}
		if(!$section_name) $section_name = JText::_( 'N/A' );
		$row->section = $section;
		$lists['section'] = '<input type="hidden" name="section" value="'. $row->section .'" />'. $section_name;
	}

	// build the html select list for ordering
	$query = 'SELECT ordering AS value, title AS text'
	. ' FROM #__categories'
	. ' WHERE section = '.$db->Quote($row->section)
	. ' ORDER BY ordering'
	;
	if ($edit) {
		$lists['ordering'] 			= JHTML::_('list.specificordering',  $row, $cid[0], $query );
	}
	else {
		$lists['ordering'] 			= JHTML::_('list.specificordering',  $row, '', $query );
	}
	// build the select list for the image positions
	$active =  ( $row->image_position ? $row->image_position : 'left' );
	$lists['image_position'] 	= JHTML::_('list.positions',  'image_position', $active, NULL, 0, 0 );
	// Imagelist
	$lists['image'] 			= JHTML::_('list.images',  'image', $row->image );
	// build the html select list for the group access
	$lists['access'] 			= JHTML::_('list.accesslevel',  $row );
	// build the html radio buttons for published
	$published = ($row->id) ? $row->published : 1;
	$lists['published'] 		= JHTML::_('select.booleanlist',  'published', 'class="inputbox"', $published );

 	categories_html::edit( $row, $lists, $redirect );
}

/**
* Saves the catefory after an edit form submit
* @param string The name of the category section
*/
function saveCategory()
{
	global $mainframe;

	// Check for request forgeries
	JRequest::checkToken() or jexit( 'Invalid Token' );

	// Initialize variables
	$db		 =& JFactory::getDBO();
	$menu 		= JRequest::getCmd( 'menu', 'mainmenu', 'post' );
	$menuid		= JRequest::getVar( 'menuid', 0, 'post', 'int' );
	$redirect 	= JRequest::getCmd( 'redirect', '', 'post' );
	$oldtitle 	= JRequest::getString( 'oldtitle', '', 'post' );
	$post		= JRequest::get( 'post' );

	// fix up special html fields
	$post['description'] = JRequest::getVar( 'description', '', 'post', 'string', JREQUEST_ALLOWRAW );

	$row =& JTable::getInstance('category');
	if (!$row->bind( $post )) {
		JError::raiseError(500, $row->getError() );
	}
	if (!$row->check()) {
		JError::raiseError(500, $row->getError() );
	}
	// if new item order last in appropriate group
	if (!$row->id) {
		$where = "section = " . $db->Quote($row->section);
		$row->ordering = $row->getNextOrder( $where );
	}

	if (!$row->store()) {
		JError::raiseError(500, $row->getError() );
	}
	$row->checkin();

	if ($row->section > 0) {
		$query = 'UPDATE #__content'
				.' SET sectionid = '.$row->section
				.' WHERE catid = '.$row->id
		;
		$db->setQuery( $query );
		$db->query();
	}

	if ( $oldtitle ) {
		if ($oldtitle != $row->title) {
			$query = 'UPDATE #__menu'
			. ' SET name = '.$db->Quote($row->title)
			. ' WHERE name = '.$db->Quote($oldtitle)
			. ' AND type = "content_category"'
			;
			$db->setQuery( $query );
			$db->query();
		}
	}

	// Update Section Count
	if ($row->section != 'com_contact_details' &&
		$row->section != 'com_newsfeeds' &&
		$row->section != 'com_weblinks') {
		$query = 'UPDATE #__sections SET count=count+1'
		. ' WHERE id = '.$db->Quote($row->section)
		;
		$db->setQuery( $query );
	}

	if (!$db->query()) {
		JError::raiseError(500, $db->getErrorMsg() );
	}

	switch ( JRequest::getCmd('task') )
	{
		case 'go2menu':
			$mainframe->redirect( 'index.php?option=com_menus&menutype='. $menu );
			break;

		case 'go2menuitem':
			$mainframe->redirect( 'index.php?option=com_menus&menutype='. $menu .'&task=edit&id='. $menuid );
			break;

		case 'apply':
			$msg = JText::_( 'Changes to Category saved' );
			$mainframe->redirect( 'index.php?option=com_categories&section='. $redirect .'&task=edit&cid[]='. $row->id, $msg );
			break;

		case 'save':
		default:
			$msg = JText::_( 'Category saved' );
			$mainframe->redirect( 'index.php?option=com_categories&section='. $redirect, $msg );
			break;
	}
}