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<?php |
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// $Id: tree.php 506 2006-05-26 23:10:37Z skalpa $ |
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// ------------------------------------------------------------------------ // |
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// XOOPS - PHP Content Management System // |
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// Copyright (c) 2000 XOOPS.org // |
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// <http://www.xoops.org/> // |
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// ------------------------------------------------------------------------ // |
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// This program is free software; you can redistribute it and/or modify // |
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// it under the terms of the GNU General Public License as published by // |
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// the Free Software Foundation; either version 2 of the License, or // |
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// (at your option) any later version. // |
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// // |
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// You may not change or alter any portion of this comment or credits // |
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// of supporting developers from this source code or any supporting // |
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// source code which is considered copyrighted (c) material of the // |
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// original comment or credit authors. // |
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// // |
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// This program is distributed in the hope that it will be useful, // |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of // |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // |
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// GNU General Public License for more details. // |
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// // |
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// You should have received a copy of the GNU General Public License // |
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// along with this program; if not, write to the Free Software // |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // |
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// ------------------------------------------------------------------------ // |
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// Author: Kazumi Ono (AKA onokazu) // |
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// URL: http://www.xoops.org/ http://jp.xoops.org/ http://www.myweb.ne.jp/ // |
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// Project: The XOOPS Project (http://www.xoops.org/) // |
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// ------------------------------------------------------------------------- // |
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/** |
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* A tree structures with {@link XoopsObject}s as nodes |
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* |
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* @package kernel |
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* @subpackage core |
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* |
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* @author Kazumi Ono <[email protected]> |
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* @copyright (c) 2000-2003 The Xoops Project - www.xoops.org |
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*/ |
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class Bookshop_XoopsObjectTree |
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{ |
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/**#@+ |
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* @access private |
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*/ |
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public $_parentId; |
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public $_myId; |
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public $_rootId = null; |
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public $_tree = array(); |
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public $_objects; |
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/**#@-*/ |
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/** |
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* Constructor |
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* |
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* @param array $objectArr Array of {@link XoopsObject}s |
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* @param string $myId field name of object ID |
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* @param string $parentId field name of parent object ID |
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* @param string $rootId field name of root object ID |
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**/ |
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public function __construct(&$objectArr, $myId, $parentId, $rootId = null) |
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{ |
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$this->_objects =& $objectArr; |
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$this->_myId = $myId; |
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$this->_parentId = $parentId; |
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if (isset($rootId)) { |
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$this->_rootId = $rootId; |
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} |
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$this->_initialize(); |
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} |
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/** |
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* Initialize the object |
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* |
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* @access private |
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**/ |
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public function _initialize() |
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{ |
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foreach (array_keys($this->_objects) as $i) { |
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$key1 = $this->_objects[$i]->getVar($this->_myId); |
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$this->_tree[$key1]['obj'] =& $this->_objects[$i]; |
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$key2 = $this->_objects[$i]->getVar($this->_parentId); |
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$this->_tree[$key1]['parent'] = $key2; |
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$this->_tree[$key2]['child'][] = $key1; |
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if (isset($this->_rootId)) { |
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$this->_tree[$key1]['root'] = $this->_objects[$i]->getVar($this->_rootId); |
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} |
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} |
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} |
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/** |
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* Get the tree |
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* |
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* @return array Associative array comprising the tree |
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**/ |
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public function &getTree() |
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{ |
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return $this->_tree; |
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} |
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/** |
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* returns an object from the tree specified by its id |
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* |
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* @param string $key ID of the object to retrieve |
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* @return object Object within the tree |
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**/ |
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public function &getByKey($key) |
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{ |
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return $this->_tree[$key]['obj']; |
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} |
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/** |
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* returns an array of all the first child object of an object specified by its id |
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* |
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* @param string $key ID of the parent object |
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* @return array Array of children of the parent |
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**/ |
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public function getFirstChild($key) |
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{ |
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$ret = array(); |
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if (isset($this->_tree[$key]['child'])) { |
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foreach ($this->_tree[$key]['child'] as $childkey) { |
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$ret[$childkey] =& $this->_tree[$childkey]['obj']; |
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} |
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} |
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return $ret; |
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} |
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/** |
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* returns an array of all child objects of an object specified by its id |
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* |
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* @param string $key ID of the parent |
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* @param array $ret (Empty when called from client) Array of children from previous recursions. |
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* @return array Array of child nodes. |
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**/ |
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public function getAllChild($key, $ret = array()) |
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{ |
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if (isset($this->_tree[$key]['child'])) { |
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foreach ($this->_tree[$key]['child'] as $childkey) { |
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$ret[$childkey] =& $this->_tree[$childkey]['obj']; |
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$children =& $this->getAllChild($childkey, $ret); |
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foreach (array_keys($children) as $newkey) { |
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$ret[$newkey] =& $children[$newkey]; |
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} |
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} |
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} |
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return $ret; |
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} |
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/** |
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* returns an array of all parent objects. |
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* the key of returned array represents how many levels up from the specified object |
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* |
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* @param string $key ID of the child object |
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* @param array $ret (empty when called from outside) Result from previous recursions |
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* @param int $uplevel (empty when called from outside) level of recursion |
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* @return array Array of parent nodes. |
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**/ |
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public function getAllParent($key, $ret = array(), $uplevel = 1) |
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{ |
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if (isset($this->_tree[$key]['parent']) && isset($this->_tree[$this->_tree[$key]['parent']]['obj'])) { |
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$ret[$uplevel] =& $this->_tree[$this->_tree[$key]['parent']]['obj']; |
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$parents =& $this->getAllParent($this->_tree[$key]['parent'], $ret, $uplevel + 1); |
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foreach (array_keys($parents) as $newkey) { |
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$ret[$newkey] =& $parents[$newkey]; |
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} |
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} |
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return $ret; |
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} |
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/** |
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* Make options for a select box from |
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* |
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* @param string $fieldName Name of the member variable from the |
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* node objects that should be used as the title for the options. |
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* @param string $selected Value to display as selected |
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* @param int $key ID of the object to display as the root of select options |
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* @param string $ret (reference to a string when called from outside) Result from previous recursions |
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* @param string $prefix_orig String to indent items at deeper levels |
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* @param string $prefix_curr String to indent the current item |
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* |
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* @return void |
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@access private |
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*/ |
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public function _makeSelBoxOptions($fieldName, $selected, $key, &$ret, $prefix_orig, $prefix_curr = '') |
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{ |
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if ($key > 0) { |
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$value = $this->_tree[$key]['obj']->getVar($this->_myId); |
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$ret .= '<option value=\'' . $value . '\''; |
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if ($value == $selected) { |
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$ret .= ' selected="selected"'; |
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} |
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$ret .= '>' . $prefix_curr . $this->_tree[$key]['obj']->getVar($fieldName) . '</option>'; |
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$prefix_curr .= $prefix_orig; |
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} |
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if (isset($this->_tree[$key]['child']) && !empty($this->_tree[$key]['child'])) { |
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foreach ($this->_tree[$key]['child'] as $childkey) { |
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$this->_makeSelBoxOptions($fieldName, $selected, $childkey, $ret, $prefix_orig, $prefix_curr); |
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} |
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} |
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} |
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/** |
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* Make a select box with options from the tree |
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* |
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* @param string $name Name of the select box |
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* @param string $fieldName Name of the member variable from the node objects that should be used as the title for the options. |
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* @param string $prefix String to indent deeper levels |
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* @param string $selected Value to display as selected |
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* @param bool|string $addEmptyOption Set TRUE to add an empty option with value "0" at the top of the hierarchy |
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* @param integer $key ID of the object to display as the root of select options |
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* @param string $additional |
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* @return string HTML select box |
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*/ |
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public function makeSelBox($name, $fieldName, $prefix = '-', $selected = '', $addEmptyOption = '', $key = 0, $additional = '') |
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{ |
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$ret = "<select id='" . $name . "' name='" . $name . "'"; |
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if ($additional != '') { |
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$ret .= $additional; |
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} |
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$ret .= '>'; |
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if ($addEmptyOption != '') { |
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$ret .= '<option value=\'0\'>' . $addEmptyOption . '</option>'; |
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} |
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$this->_makeSelBoxOptions($fieldName, $selected, $key, $ret, $prefix); |
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return $ret . '</select>'; |
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} |
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} |
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You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.