WebExplorer/Module/NavigationList.php

<?
/**
 * This file contains the WebExplorer_Module_NavigationList child class,
 * it inherits from the WebExplorer_Module_AbstractNavigationList.
 *
 * @author Sebastian Utz <seut@tunemedia.de>
 * @package org.netfrag.app
 * @name WebExplorer::Module::NavigationList
 *
 */

/**
 * Cvs-Log:
 *
 * $Id: NavigationList.php,v 1.10 2003/04/18 15:12:33 joko Exp $
 *
 * $Log: NavigationList.php,v $
 * Revision 1.10  2003/04/18 15:12:33  joko
 * modified header to be phpDocumentor compliant
 *
 * Revision 1.9  2003/04/18 14:40:57  jonen
 * bugfix
 *
 * Revision 1.8  2003/04/18 13:33:44  jonen
 * CHANGE: link_vars now are passed by contructor arguments
 *   (so that the AbstractExplorer could handle these...)
 *
 * Revision 1.7  2003/04/16 16:13:04  joko
 * updates to 'function propagate': + minor cosmetic update, ++ special mode: 'tree' if value of node ends with '.xml'
 *
 * Revision 1.6  2003/04/08 22:40:06  joko
 * renamed / revamped shortcut to LinkBuilder (now via url::short)
 *
 * Revision 1.5  2003/04/06 04:26:43  joko
 * shortcut for LinkBuilder
 *
 * Revision 1.4  2003/04/06 01:44:52  jonen
 * + build links now with help of LinkBuilder class
 *   (one id instead of a bunch of variables... ;)
 *
 * Revision 1.3  2003/04/05 21:17:16  joko
 * moved code to AbstractNavigationList.php
 *
 */

/**
 * This requires the WebExplorer::Module::AbstractNavigationList 
 * component as base class.
 *
 */
loadModule('WebExplorer::Module::AbstractNavigationList');

/**
 * The WebExplorer_Module_NavigationList child class queries the 
 * backend for a list of known nodes at toplevel.
 *
 * It's using the DataSource::Generic chain to access the common
 * backend datasource query API (queryData/querySchema).
 *
 * The results - probably a simple list - are displayed inside
 * a VerticalCSSNavTable by using the AbstractNavigationList.
 *
 * The links contain http query arguments which should trigger 
 * the request processor (MVC) to navigate into the selected
 * top-level node.
 * This displays a list of second level nodes inside the content area
 * which are most probably full blown row-based results. 
 * (ms-lingo: recordsets)
 *
 *
 * @link http://www.netfrag.org/~jonen/
 * @author Sebastian Utz <seut@tunemedia.de>
 *
 * @copyright (c) 2003 - All Rights reserved.
 *
 * @link http://www.gnu.org/licenses/lgpl.txt
 * @license GNU LGPL (GNU Lesser General Public License)
 *
 *
 * @package org.netfrag.app
 * @subpackage WebExplorer
 * @name WebExplorer::Module::NavigationList
 *
 *
 */
class WebExplorer_Module_NavigationList extends WebExplorer_Module_AbstractNavigationList {

  function propagate() {

    //print Dumper($this);

    // V1 - manually defined default link arguments to branch to a list
    //$link_vars = array(
    //   'ap' => "explorer",
    //   'ecl' => "content",
    //   'ect' => "data",
    //   'ecdlk' => "rpc",
    //   'ecat' => "list",
    // );

    // V2 - required link arguments to stay in flow are now automagically propagated to our arguments
    $link_vars = $this->_args['hidden_elements'];
    
    // V3 - TODO: enhanced version of this mechanism - make both things possible using ...
    // $link_vars = php::array_join_merge($link_vars_default, $link_vars_passed_in);
    
    foreach ($this->result as $value) {
      $alt_caption = "Alle Elemente unterhalb von '$value' anzeigen.";

      // V1: hmm...long time ago...
      //$url = $_SERVER['PHP_SELF'] . "?" . $this->_control['page_ident_label'] . "=d_list&l_label=" . $value;

      // V2: simple add vars to url
      //$url = $_SERVER['PHP_SELF'] . "?ap=explorer&ecl=content&ect=data&ecdlk=rpc&ecat=list&ecdid=$value";

      // V3: use LinkBuilder to save vars at session and get unique id instead
      $link_vars['ecdid'] = $value;
      
      // reset data filter
      $link_vars['ecdf'] = '';

      // FIXME: HACK???
      // modify default link if name of linked node contains '.xml'
      if (stristr($value, '.xml')) {
        $link_vars['ecat'] = 'tree';
      }
      
      // encoded links: shorter and more cryptic   ;-)
      // drawback: guid generation might be expensive, 
      // check out guid-pre-generation into some queue...
      // V1
      //$link_guid = link::store($link_vars);
      //$url = $_SERVER['PHP_SELF'] . "?lbid=" . $link_guid;
      // V2
      $url = url::short(null, $link_vars);

      $this->nav->add($url, $value, $alt_caption);
    }

  }

}


?>
1	jonen	1.1	<?
2	joko	1.10	/**
3			* This file contains the WebExplorer_Module_NavigationList child class,
4			* it inherits from the WebExplorer_Module_AbstractNavigationList.
5			*
6			* @author Sebastian Utz <seut@tunemedia.de>
7			* @package org.netfrag.app
8			* @name WebExplorer::Module::NavigationList
9			*
10			*/
11	jonen	1.1
12	joko	1.10	/**
13			* Cvs-Log:
14			*
15	joko	1.11	* $Id: NavigationList.php,v 1.10 2003/04/18 15:12:33 joko Exp $
16			*
17			* $Log: NavigationList.php,v $
18			* Revision 1.10 2003/04/18 15:12:33 joko
19			* modified header to be phpDocumentor compliant
20	joko	1.10	*
21			* Revision 1.9 2003/04/18 14:40:57 jonen
22			* bugfix
23			*
24			* Revision 1.8 2003/04/18 13:33:44 jonen
25			* CHANGE: link_vars now are passed by contructor arguments
26			* (so that the AbstractExplorer could handle these...)
27			*
28			* Revision 1.7 2003/04/16 16:13:04 joko
29			* updates to 'function propagate': + minor cosmetic update, ++ special mode: 'tree' if value of node ends with '.xml'
30			*
31			* Revision 1.6 2003/04/08 22:40:06 joko
32			* renamed / revamped shortcut to LinkBuilder (now via url::short)
33			*
34			* Revision 1.5 2003/04/06 04:26:43 joko
35			* shortcut for LinkBuilder
36			*
37			* Revision 1.4 2003/04/06 01:44:52 jonen
38			* + build links now with help of LinkBuilder class
39			* (one id instead of a bunch of variables... ;)
40			*
41			* Revision 1.3 2003/04/05 21:17:16 joko
42			* moved code to AbstractNavigationList.php
43			*
44			*/
45
46			/**
47			* This requires the WebExplorer::Module::AbstractNavigationList
48			* component as base class.
49			*
50			*/
51	joko	1.3	loadModule('WebExplorer::Module::AbstractNavigationList');
52	jonen	1.1
53	joko	1.10	/**
54			* The WebExplorer_Module_NavigationList child class queries the
55			* backend for a list of known nodes at toplevel.
56			*
57			* It's using the DataSource::Generic chain to access the common
58			* backend datasource query API (queryData/querySchema).
59			*
60			* The results - probably a simple list - are displayed inside
61			* a VerticalCSSNavTable by using the AbstractNavigationList.
62			*
63			* The links contain http query arguments which should trigger
64			* the request processor (MVC) to navigate into the selected
65			* top-level node.
66			* This displays a list of second level nodes inside the content area
67			* which are most probably full blown row-based results.
68			* (ms-lingo: recordsets)
69			*
70			*
71			* @link http://www.netfrag.org/~jonen/
72			* @author Sebastian Utz <seut@tunemedia.de>
73			*
74			* @copyright (c) 2003 - All Rights reserved.
75			*
76			* @link http://www.gnu.org/licenses/lgpl.txt
77			* @license GNU LGPL (GNU Lesser General Public License)
78			*
79			*
80			* @package org.netfrag.app
81			* @subpackage WebExplorer
82			* @name WebExplorer::Module::NavigationList
83			*
84			*
85			*/
86	joko	1.3	class WebExplorer_Module_NavigationList extends WebExplorer_Module_AbstractNavigationList {
87	jonen	1.1
88	joko	1.3	function propagate() {
89	jonen	1.4
90	joko	1.11	//print Dumper($this);
91
92	joko	1.10	// V1 - manually defined default link arguments to branch to a list
93			//$link_vars = array(
94			// 'ap' => "explorer",
95			// 'ecl' => "content",
96			// 'ect' => "data",
97			// 'ecdlk' => "rpc",
98			// 'ecat' => "list",
99			// );
100
101			// V2 - required link arguments to stay in flow are now automagically propagated to our arguments
102			$link_vars = $this->_args['hidden_elements'];
103
104			// V3 - TODO: enhanced version of this mechanism - make both things possible using ...
105			// $link_vars = php::array_join_merge($link_vars_default, $link_vars_passed_in);
106	joko	1.7
107	joko	1.3	foreach ($this->result as $value) {
108	joko	1.7	$alt_caption = "Alle Elemente unterhalb von '$value' anzeigen.";
109	jonen	1.4
110			// V1: hmm...long time ago...
111	joko	1.3	//$url = $_SERVER['PHP_SELF'] . "?" . $this->_control['page_ident_label'] . "=d_list&l_label=" . $value;
112	jonen	1.4
113			// V2: simple add vars to url
114			//$url = $_SERVER['PHP_SELF'] . "?ap=explorer&ecl=content&ect=data&ecdlk=rpc&ecat=list&ecdid=$value";
115
116			// V3: use LinkBuilder to save vars at session and get unique id instead
117			$link_vars['ecdid'] = $value;
118	joko	1.11
119			// reset data filter
120			$link_vars['ecdf'] = '';
121	joko	1.7
122	joko	1.11	// FIXME: HACK???
123	joko	1.7	// modify default link if name of linked node contains '.xml'
124			if (stristr($value, '.xml')) {
125			$link_vars['ecat'] = 'tree';
126			}
127	joko	1.6
128			// encoded links: shorter and more cryptic ;-)
129	joko	1.7	// drawback: guid generation might be expensive,
130			// check out guid-pre-generation into some queue...
131	joko	1.6	// V1
132			//$link_guid = link::store($link_vars);
133			//$url = $_SERVER['PHP_SELF'] . "?lbid=" . $link_guid;
134			// V2
135			$url = url::short(null, $link_vars);
136	jonen	1.4
137	joko	1.3	$this->nav->add($url, $value, $alt_caption);
138	jonen	1.1	}
139
140			}
141
142			}
143
144
145			?>
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