<?php
// $Id: grouppermform.php,v 1.4 2003/09/29 18:25:27 okazu Exp $
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000-2003 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                                                //
// ------------------------------------------------------------------------- //

require_once XOOPS_ROOT_PATH.'/class/xoopsform/formelement.php';
require_once XOOPS_ROOT_PATH.'/class/xoopsform/formhidden.php';
require_once XOOPS_ROOT_PATH.'/class/xoopsform/formbutton.php';
require_once XOOPS_ROOT_PATH.'/class/xoopsform/formelementtray.php';
require_once XOOPS_ROOT_PATH.'/class/xoopsform/form.php';

/**
 * Renders a form for setting module specific group permissions
 * 
 * @author	Kazumi Ono	<onokazu@myweb.ne.jp>
 * @copyright	copyright (c) 2000-2003 XOOPS.org
 * 
 * @package     kernel
 * @subpackage  form
 */
class MyXoopsGroupPermForm extends XoopsForm
{

	/**
	 * Module ID
	 * @var int
	 */
	var $_modid;
	/**
	 * Tree structure of items
	 * @var array
	 */
	var $_itemTree;
	/**
	 * Name of permission
	 * @var string
	 */
	var $_permName;
	/**
	 * Description of permission
	 * @var string
	 */
	var $_permDesc;
	/**
	 * Appendix
	 * @var array ('permname'=>,'itemid'=>,'itemname'=>,'selected'=>)
	 */
	var $_appendix = array() ;

	/**
	 * Constructor
	 */
	function MyXoopsGroupPermForm($title, $modid, $permname, $permdesc)
	{
//		$this->XoopsForm($title, 'groupperm_form', XOOPS_URL.'/modules/system/admin/groupperm.php', 'post'); GIJ
		$this->XoopsForm($title, 'groupperm_form', '' , 'post');
		$this->_modid = intval($modid);
		$this->_permName = $permname;
		$this->_permDesc = $permdesc;
		$this->addElement(new XoopsFormHidden('modid', $this->_modid));
	}

	/**
	 * Adds an item to which permission will be assigned
	 *
	 * @param string $itemName
	 * @param int $itemId
	 * @param int $itemParent
	 * @access public
	 */
	function addItem($itemId, $itemName, $itemParent = 0)
	{
		$this->_itemTree[$itemParent]['children'][] = $itemId;
		$this->_itemTree[$itemId]['parent'] = $itemParent;
		$this->_itemTree[$itemId]['name'] = $itemName;
		$this->_itemTree[$itemId]['id'] = $itemId;
	}

	/**
	 * Add appendix
	 *
	 * @access public
	 */
	function addAppendix($permName,$itemId,$itemName)
	{
		$this->_appendix[] = array('permname'=>$permName,'itemid'=>$itemId,'itemname'=>$itemName,'selected'=>false);
	}

	/**
	 * Loads all child ids for an item to be used in javascript
	 *
	 * @param int $itemId
	 * @param array $childIds
	 * @access private
	 */
	function _loadAllChildItemIds($itemId, &$childIds)
	{
		if (!empty($this->_itemTree[$itemId]['children'])) {
			$first_child = $this->_itemTree[$itemId]['children'];
			foreach ($first_child as $fcid) {
				array_push($childIds, $fcid);
				if (!empty($this->_itemTree[$fcid]['children'])) {
					foreach ($this->_itemTree[$fcid]['children'] as $_fcid) {
						array_push($childIds, $_fcid);
						$this->_loadAllChildItemIds($_fcid, $childIds);
					}
				}
			}
		}
	}

	/**
	 * Renders the form
	 *
	 * @return string
	 * @access public
	 */
	function render()
	{
		// load all child ids for javascript codes
		foreach (array_keys($this->_itemTree) as $item_id) {
			$this->_itemTree[$item_id]['allchild'] = array();
			$this->_loadAllChildItemIds($item_id, $this->_itemTree[$item_id]['allchild']);
		}
		$gperm_handler =& xoops_gethandler('groupperm');
		$member_handler =& xoops_gethandler('member');
		$glist =& $member_handler->getGroupList();
		foreach (array_keys($glist) as $i) {
			// get selected item id(s) for each group
			$selected = $gperm_handler->getItemIds($this->_permName, $i, $this->_modid);
			$ele = new MyXoopsGroupFormCheckBox($glist[$i], 'perms['.$this->_permName.']', $i, $selected);
			$ele->setOptionTree($this->_itemTree);

			foreach( $this->_appendix as $key => $append ) {
				$this->_appendix[$key]['selected'] = $gperm_handler->checkRight($append['permname'], $append['itemid'], $i, $this->_modid ) ;
			}
			$ele->setAppendix($this->_appendix);
			$this->addElement($ele);
			unset($ele);
		}

		// GIJ start
		$jstray = new XoopsFormElementTray(' &nbsp; ');
		$jsuncheckbutton = new XoopsFormButton('', 'none', _NONE, 'button');
		$jsuncheckbutton->setExtra( "onclick=\"with(document.groupperm_form){for(i=0;i<length;i++){if(elements[i].type=='checkbox'){elements[i].checked=false;}}}\"" ) ;
		$jscheckbutton = new XoopsFormButton('', 'all', _ALL, 'button');
		$jscheckbutton->setExtra( "onclick=\"with(document.groupperm_form){for(i=0;i<length;i++){if(elements[i].type=='checkbox'){elements[i].checked=true;}}}\"" ) ;
		$jstray->addElement( $jsuncheckbutton ) ;
		$jstray->addElement( $jscheckbutton ) ;
		$this->addElement($jstray);
		// GIJ end

		$tray = new XoopsFormElementTray('');
		$tray->addElement(new XoopsFormButton('', 'reset', _CANCEL, 'reset'));
		$tray->addElement(new XoopsFormButton('', 'submit', _SUBMIT, 'submit'));
		$this->addElement($tray);

		$ret = '<h4>'.$this->getTitle().'</h4>'.$this->_permDesc.'<br />';
		$ret .= "<form name='".$this->getName()."' id='".$this->getName()."' action='".$this->getAction()."' method='".$this->getMethod()."'".$this->getExtra().">\n<table width='100%' class='outer' cellspacing='1'>\n";
		$elements =& $this->getElements();
		foreach(array_keys($elements) as $i) {
			if (!is_object($elements[$i])) {
				$ret .= $elements[$i];
			} elseif (!$elements[$i]->isHidden()) {
				$ret .= "<tr valign='top' align='left'><td class='head'>".$elements[$i]->getCaption();
				if ($elements[$i]->getDescription() != '') {
					$ret .= '<br /><br /><span style="font-weight: normal;">'.$elements[$i]->getDescription().'</span>';
				}
				$ret .= "</td>\n<td class='even'>\n".$elements[$i]->render()."\n</td></tr>\n";
			} else {
				$ret .= $elements[$i]->render();
			}
		}
		$ret .= '</table></form>';
		return $ret;
	}
}

/**
 * Renders checkbox options for a group permission form
 * 
 * @author	Kazumi Ono	<onokazu@myweb.ne.jp>
 * @copyright	copyright (c) 2000-2003 XOOPS.org
 * 
 * @package     kernel
 * @subpackage  form
 */
class MyXoopsGroupFormCheckBox extends XoopsFormElement
{

	/**
	 * Pre-selected value(s)
	 * @var array;
	 */
	var $_value;
	/**
	 * Group ID
	 * @var int
	 */
	var $_groupId;
	/**
	 * Option tree
	 * @var array
	 */
	var $_optionTree;
	/**
	 * Appendix
	 * @var array ('permname'=>,'itemid'=>,'itemname'=>,'selected'=>)
	 */
	var $_appendix = array() ;

	/**
	 * Constructor
	 */
	function MyXoopsGroupFormCheckBox($caption, $name, $groupId, $values = null)
	{
		$this->setCaption($caption);
		$this->setName($name);
		if (isset($values)) {
			$this->setValue($values);
		}
		$this->_groupId = $groupId;
	}

	/**
	 * Sets pre-selected values
	 *
	 * @param mixed $value A group ID or an array of group IDs
	 * @access public
	 */
	function setValue($value)
	{
		if (is_array($value)) {
			foreach ($value as $v) {
				$this->setValue($v);
			}
		} else {
			$this->_value[] = $value;
		}
	}

	/**
	 * Sets the tree structure of items
	 *
	 * @param array $optionTree
	 * @access public
	 */
	function setOptionTree(&$optionTree)
	{
		$this->_optionTree =& $optionTree;
	}

	/**
	 * Sets appendix of checkboxes
	 *
	 * @access public
	 */
	function setAppendix($appendix)
	{
		$this->_appendix = $appendix ;
	}

	/**
	 * Renders checkbox options for this group
	 *
	 * @return string
	 * @access public
	 */
	function render()
	{
		$ret = '' ;

		if( sizeof( $this->_appendix ) > 0 ) {
			$ret .= '<table class="outer"><tr>';
			$cols = 1;
			foreach ($this->_appendix as $append) {
				if ($cols > 4) {
					$ret .= '</tr><tr>';
					$cols = 1;
				}
				$checked = $append['selected'] ? 'checked="checked"' : '' ;
				$name = 'perms['.$append['permname'].']' ;
				$itemid = $append['itemid'] ;
				$itemid = $append['itemid'] ;
				$ret .= "<td class=\"odd\"><input type=\"checkbox\" name=\"{$name}[groups][$this->_groupId][$itemid]\" id=\"{$name}[groups][$this->_groupId][$itemid]\" value=\"1\" $checked />{$append['itemname']}<input type=\"hidden\" name=\"{$name}[parents][$itemid]\" value=\"\" /><input type=\"hidden\" name=\"{$name}[itemname][$itemid]\" value=\"{$append['itemname']}\" /><br /></td>" ;
				$cols++;
			}
			$ret .= '</tr></table>';
		}

		$ret .= '<table class="outer"><tr>';
		$cols = 1;
		foreach ($this->_optionTree[0]['children'] as $topitem) {
			if ($cols > 4) {
				$ret .= '</tr><tr>';
				$cols = 1;
			}
			$tree = '<td class="odd">';
			$prefix = '';
			$this->_renderOptionTree($tree, $this->_optionTree[$topitem], $prefix);
			$ret .= $tree.'</td>';
			$cols++;
		}
		$ret .= '</tr></table>';
		return $ret;
	}

	/**
	 * Renders checkbox options for an item tree
	 *
	 * @param string $tree
	 * @param array $option
	 * @param string $prefix
	 * @param array $parentIds
	 * @access private
	 */
	function _renderOptionTree(&$tree, $option, $prefix, $parentIds = array())
	{
		$tree .= $prefix."<input type=\"checkbox\" name=\"".$this->getName()."[groups][".$this->_groupId."][".$option['id']."]\" id=\"".$this->getName()."[groups][".$this->_groupId."][".$option['id']."]\" onclick=\"";
		// If there are parent elements, add javascript that will
		// make them selecteded when this element is checked to make
		// sure permissions to parent items are added as well.
		foreach ($parentIds as $pid) {
			$parent_ele = $this->getName().'[groups]['.$this->_groupId.']['.$pid.']';
			$tree .= "var ele = xoopsGetElementById('".$parent_ele."'); if(ele.checked != true) {ele.checked = this.checked;}";
		}
		// If there are child elements, add javascript that will
		// make them unchecked when this element is unchecked to make
		// sure permissions to child items are not added when there
		// is no permission to this item.
		foreach ($option['allchild'] as $cid) {
			$child_ele = $this->getName().'[groups]['.$this->_groupId.']['.$cid.']';
			$tree .= "var ele = xoopsGetElementById('".$child_ele."'); if(this.checked != true) {ele.checked = false;}";
		}
		$tree .= '" value="1"';
		if ( isset( $this->_value ) && in_array($option['id'], $this->_value)) {
			$tree .= ' checked="checked"';
		}
		$tree .= " />".$option['name']."<input type=\"hidden\" name=\"".$this->getName()."[parents][".$option['id']."]\" value=\"".implode(':', $parentIds)."\" /><input type=\"hidden\" name=\"".$this->getName()."[itemname][".$option['id']."]\" value=\"".htmlspecialchars($option['name'])."\" /><br />\n";
		if( isset( $option['children'] ) ) foreach ($option['children'] as $child) {
			array_push($parentIds, $option['id']);
			$this->_renderOptionTree($tree, $this->_optionTree[$child], $prefix.'&nbsp;-', $parentIds);
		}
	}
}
?>