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Current File : //proc/thread-self/root/usr/local/lib/php-5.3.13/lib/php/DB/NestedSet/Output.php
<?php
//
// +----------------------------------------------------------------------+
// | PEAR :: DB_NestedSet_Output                                          |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license,       |
// | that is bundled with this package in the file LICENSE, and is        |
// | available at through the world-wide-web at                           |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to          |
// | license@php.net so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Authors: Daniel Khan <dk@webcluster.at>                              |
// |          Jason Rust  <jason@rustyparts.com>                          |
// +----------------------------------------------------------------------+
// $Id: Output.php 199223 2005-10-25 23:34:10Z datenpunk $
//

require_once 'PEAR.php';

// {{{ constants

define('NESEO_ERROR_NO_METHOD',    'E1000');
define('NESEO_DRIVER_NOT_FOUND',   'E1100');
define('NESEO_ERROR_NO_OPTIONS',   'E2100');

// }}}
// {{{ DB_NestedSet_Output:: class

/**
* DB_NestedSet_Output is a unified API for other output drivers
* Status is beta
*
* At the moment PEAR::HTML_TreeMenu written by Jason Rust is supported
* A driver for treemenu.org will follow soon.
*
* Usage example:
*
* require_once('DB_NestedSet/NestedSet/Output.php');
* $icon         = 'folder.gif';
* $expandedIcon = 'folder-expanded.gif';
* // get data (important to fetch it as an array, using the true flag)
* $data = $NeSe->getAllNodes(true);
* // change the events for one of the elements
* $data[35]['events'] = array('onexpand' => 'alert("we expanded!");');
* // add links to each item
* foreach ($data as $a_data) {
*   $a_data['link'] = 'http://foo.com/foo.php?' . $a_data['id'];
* }
* $params = array(
* 'structure' => $data,
* 'options' => array(
* 'icon' => $icon,
* 'expandedIcon' => $expandedIcon,
* ),
* 'textField' => 'name',
* 'linkField' => 'link',
* );
* $menu =& DB_NestedSet_Output::factory('TreeMenu', $params);
* $menu->printListbox();
*
* @author       Daniel Khan <dk@webcluster.at>
* @package      DB_NestedSet
* @version      $Revision: 199223 $
* @access       public
*
*/

// }}}
class DB_NestedSet_Output {
    // {{{ properties

    /**
    * @var object The tree menu structure
    * @access private
    */
    var $_structTreeMenu    = false;

    /**
    * @var array Array of options to be passed to the ouput methods
    * @access public
    */
    var $options    = array();

    // }}}
    // {{{ factory()

    /**
    * Returns a output driver object
    *
    * @param array $params A DB_NestedSet nodeset
    * @param string $driver (optional) The driver, such as TreeMenu (default)
    *
    * @access public
    * @return object The DB_NestedSet_Ouput object
    */
    function &factory ($params, $driver = 'TreeMenu') {

        $path = dirname(__FILE__).'/'.$driver.'.php';
        if(is_dir($path) || !file_exists($path)) {
            PEAR::raiseError("The output driver '$driver' wasn't found", NESEO_DRIVER_NOT_FOUND, PEAR_ERROR_TRIGGER, E_USER_ERROR);
        }

        require_once($path);
        $driverClass = 'DB_NestedSet_'.$driver;
        $cls = new $driverClass($params);
        return $cls;
    }

    // }}}
    // {{{ setOptions()

    /**
    * Set's options for a specific output group (printTree, printListbox)
    * This enables you to set specific options for each output method
    *
    * @param string $group Output group ATM 'printTree' or 'printListbox'
    * @param array $options Hash with options
    *
    * @access public
    * @return bool
    */
    function setOptions($group, $options) {
        $this->options[$group] = $options;
        return true;
    }

    // }}}
    // {{{ _getOptions()

    /**
    * Get's all option for a specific output group (printTree, printListbox)
    *
    * @param string $group Output group ATM 'printTree' or 'printListbox'
    *
    * @access private
    * @return array Options
    */
    function _getOptions($group) {

        if (!isset($this->options[$group])) {
            return array();
        }
        return $this->options[$group];
    }

    // }}}
    // {{{ printTree()

    /**
    * Print's the current tree using the output driver
    * Overriden by the driver class
    *
    * @access public
    */
    function printTree() {
        PEAR::raiseError("Method not available for this driver", NESEO_ERROR_NO_METHOD, PEAR_ERROR_TRIGGER, E_USER_ERROR);
    }

    // }}}
    // {{{ printListbox()

    /**
    * Print's a listbox representing the current tree
    * Overriden by the driver class
    *
    * @access public
    */
    function printListbox() {
        PEAR::raiseError("Method not available for this driver", NESEO_ERROR_NO_METHOD, PEAR_ERROR_TRIGGER, E_USER_ERROR);
    }

    // }}}

    // {{{ toHTML()

    /**
     * Returns the HTML for the DHTML-menu. This method can be
     * used instead of printMenu() to use the menu system
     * with a template system.
     *
     * @access public
     * @return string The HTML for the menu
     * @author Emanuel Zueger
     */
    function tree_toHTML() {
        PEAR::raiseError("Method not available for this driver", NESEO_ERROR_NO_METHOD, PEAR_ERROR_TRIGGER, E_USER_ERROR);
    }

    // }}}
    // {{{ listbox_toHTML()

    /**
     * Returns the HTML for the listbox. This method can be
     * used instead of printListbox() to use the menu system
     * with a template system.
     *
     * @access public
     * @return string The HTML for the listbox
     * @author Emanuel Zueger
     */
    function listbox_toHTML() {
        PEAR::raiseError("Method not available for this driver", NESEO_ERROR_NO_METHOD, PEAR_ERROR_TRIGGER, E_USER_ERROR);
    }
    // }}}
    // {{{ getStructure()

    /**
     *
     * @access public
     * @return mixed
     */
    function returnStructure() {
        PEAR::raiseError("Method not available for this driver", NESEO_ERROR_NO_METHOD, PEAR_ERROR_TRIGGER, E_USER_ERROR);
    }
    // }}}
}
?>
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