org.netfrag.app/WebExplorer/AbstractExplorer.php

<?
/*
##    -----------------------------------------------------------------------------
##    $Id: AbstractExplorer.php,v 1.10 2003/04/05 20:32:04 joko Exp $
##    -----------------------------------------------------------------------------
##    $Log: AbstractExplorer.php,v $
##    Revision 1.10  2003/04/05 20:32:04  joko
##    added Chooser
##
##    Revision 1.9  2003/04/04 02:22:37  joko
##    minor fix: querySchema now issues argument
##
##    Revision 1.8  2003/04/04 01:16:03  jonen
##    +  integrated different mode's for 'DataItem'
##
##    Revision 1.7  2003/03/29 07:49:55  joko
##    show boxes in DEBUG-mode only!
##
##    Revision 1.6  2003/03/28 06:42:37  joko
##    fix: propagating rpc-debugging-options to constants here
##
##    Revision 1.5  2003/03/27 01:24:29  jonen
##    + enabled navigation ecom (only list yet)
##
##    Revision 1.4  2003/03/20 08:02:11  jonen
##    + purged code
##
##    Revision 1.3  2003/03/20 07:54:52  jonen
##    + added docu
##
##    Revision 1.2  2003/03/20 07:44:31  jonen
##    + removed dumper
##
##    Revision 1.1  2003/03/20 03:48:46  jonen
##    + initial commit
##
##    Revision 1.1  2003/03/08 02:36:17  cvsmax
##    + moved from *.inc
##    + mungled namespace with WebExplorer
##
##    Revision 1.3  2003/03/03 22:25:21  joko
##    fixed minor typos
##    namespace mungling
##
##    Revision 1.2  2003/03/02 00:48:49  cvsmax
##    + set up gui module registry
##    - purged old/sample code
##
##    Revision 1.1  2003/03/01 22:57:32  cvsmax
##    + inital commit
##
##
##    -----------------------------------------------------------------------------
*/

/**
 * WebExplorer::AbstractExplorer - this can be simple compared to a container,
 *  which modular GUI classes can be register, manipulated and rendered...
 *
 * @author Sebastian Utz <seut@tunemedia.de>
 * @package org.netfrag.app
 * @name WebExplorer::AbstractExplorer
 */


class WebExplorer_AbstractExplorer {

 /**
  * container holds meta information of data locators
  */
 var $_data_locators = array();

 /**
  * container for registered modules
  */
 var $_module = array();

 /**
  * container holds references to each ecom
  */
 var $_ecom = array();

 /**
  * holds the whole page state
  */
 var $_state = array();

 /**
  * holds state variables only needed for explorer
  */
 var $_e_state = array();


  function WebExplorer_AbstractExplorer($data_locators=array()) {
    $this->_data_locators = $data_locators;
    $this->init_default_gui_modules();    
    $this->set_e_state();

    //debug
    //print "State: " . Dumper($this->_state) ."<br>";
    $div = html_div();
    $div->add( html_b(get_class($this)), html_hr(), "Explorer_State: " . Dumper($this->_e_state));
    $div->set_style('background: #adadad; border: 2px black groove; width:640px; padding:10px; margin:40px;');
    if (constants::get('DEBUG')) {
      print $div->render();
    }
  }


  function add_data_locator($label, $args) {
    $this->_data_locators[$label] = $args;
  }
  
  function set_data_locator($label, $new_args=array() ) {
    global $app;
    //print Dumper($app) . "<br>";
    if($label == "rpc") {
      $rpcinfo = $app->getConfig("rpcinfo");
      define('RPC_HOSTNAME', $rpcinfo[Host]);
      define('RPC_PORT', $rpcinfo[Port]);
      define('RPC_DEBUG', $rpcinfo[DEBUG]);
      define('RPC_TRACE', $rpcinfo[TRACE]);
      define('RPC_DISCONNECT_ON_ERROR', $rpcinfo[DISCONNECT_ON_ERROR]);
    } else {
      user_error("AbstractExplorer::set_data_locator - data_locator_key label $label not found!");
    }
  }
  
  function get_data_locator($label) {
  }

  function get_page_state() {
    $requestTracker = mkObject("Application::Request::Tracker");
    $this->_state = $requestTracker->getPointer();
  }
  
  function set_e_state() {
    $this->get_page_state();
    $this->_e_state = $this->_state[options][options];
  }
  

  function set_page_state() {
    user_error("AbstractExplorer::set_page_state - please implement me....");    
  }
  

  function init_default_gui_modules() {
    //$this->register_gui_module("n_tree", "nav", array( 'name' => "NavigationTree", 'type' => "tree") );
    $this->register_gui_module("nav", "nav", "list", "WebExplorer::Module::NavigationList" );
    $this->register_gui_module("content", "data", "list", "WebExplorer::Module::DataList" );
    $this->register_gui_module("content", "data", "item", "WebExplorer::Module::DataItem" );
    // 2003-04-05 - Chooser
    $this->register_gui_module("chooser", "nav", "list", "WebExplorer::Module::Chooser");    
  }

  function register_source_module($label, $args) {
    $this->_module['source'][$label] = $args;
  }
  
  function register_gui_module($label, $ecom_type, $abstract_type, $module_name) {
    $this->_module['gui'][$label][$ecom_type][$abstract_type] = $module_name;
  }


  function &get_ecom($label) {
    //return "Hello World";
    $this->_load_ecom($label);
    return $this->_ecom[$label];
  }


  function _load_ecoms() {
    //trace("_load_ecoms: " . Dumper($this->_e_state[ecoms]) . "<br/>");
    foreach($this->_e_state[ecoms] as $label => $val) {
      $this->_load_ecom($label);
    }
  }


  function _load_ecom($label) {
    // fetch values from state
    $val = $this->_e_state['ecoms'][$label];
    debug::info("_load_ecom($label): " . Dumper($val) . "<br/>");

    // find right ecom gui module
    $ecom_type = $val['ecom_type'];
    $abstract_type = $val['ecom_abstract_type'];
    $gui_module = $this->_module['gui'][$label][$ecom_type][$abstract_type];
    //print Dumper($gui_module);
    if(!$gui_module) {
      user_error("AbstractExplorer::_load_component - No GUI module found. [label='$label', abstract type='$val[ecom_abstract_type]', ecom type='$val[ecom_type]']");
      return;
    }

    // get arguments needed for ecom gui module
    $args = $this->_prepare_component_args($label);
    //print Dumper($args);
    
    // get ecom GUI module
    $ecom = php::mkComponent($gui_module, $args);
    //print Dumper($ecom);
        
    // load phphtmllib GUI object 
    $gui_ecom = &$ecom->get();

    // add hidden vars, needed for explorer control
    $hidden_items = $this->_get_hidden_items($label);
    if(is_array($hidden_items) ) {
      $ecom->add_hidden_items($hidden_items);
      //print "Hidden: " . Dumper($hidden_items);
    }

    // attempt:
    //$gui_ecom->make_transparent();
    
    // store phphtmllib GUI object 
    $this->_ecom[$label] = &$gui_ecom;
  }


  function _get_hidden_items($label) {
    $ecom_state = $this->_e_state['ecoms'][$label];
    if($ecom_state['ecom_type'] == "data") {
      if($ecom_state['ecom_abstract_type'] == "list") {
        $hidden_items = array(
                                  'ecl' => $label,
                                  'ecat' => "item",
                                  'ecmod' => "view",
                                  );
      }
      elseif($ecom_state['ecom_abstract_type'] == "item") {
        $hidden_items = array(
                                  'ecl' => $label,
                                  'ecat' => "item",
                                  'ecmod' => "view",
                                  );
/*
        if($ecom_state['ecom_mode'] == "view") {
          $hidden_items['ecmod'] = "edit";
        }
        elseif($ecom_state['ecom_mode'] == "edit") {
          $hidden_items['ecmod'] = "edit";
        }
*/       
      }
      $hidden_items['ap'] = "explorer";
    }
    return $hidden_items;
  }


  function _prepare_component_args($label) {    
    $val = $this->_e_state['ecoms'][$label];
    $this->set_data_locator($val['ecom_data_locator_key']);

    // detect and execute 'selectSource' action
    // FIXME: this is a HACK!!! move to a module 'BackendAction' or s.th.l.th.
    //print Dumper($this->_e_state['sources']);
    if ($source = $this->_e_state['main']['ecom_data_source_key']) {
      //print "selectSource: $source<br/>";
      //global $app;
      //print Dumper($backend);
      //$app->backend->do();
    }
    
    // switch component type
    if($val['ecom_type'] == "data") {
      // switch abstract type
      if($val['ecom_abstract_type'] == "list") {
        if($val['ecom_data_locator_key'] == "rpc") {
          //$data_locator_meta = array( datasource => 'rpc', metatype => 'data', vartype => 'objects', classname => $val['ecom_data_ident']);
          $data_locator_meta = array( datasource => 'rpc', metatype => 'data', abstract_type => 'list', classname => $val['ecom_data_ident']);
        } else {
          user_error("AbstractExplorer::_prepare_component_args - Cannot build query for data_locator_key $val[ecom_data_locator_key] !");
        }
        $args = array(
                      'caption' => $val['ecom_data_ident'],
                      'orderby' => "Guid",
                      'options' => array( 
                                          'data_locator_meta' => $data_locator_meta,
                                          'decode' => 1,
                                          'decode_args' => array(
                                              'seperator' => "_",
                                              'form' => 1,
                                              ),
                                          ),
                      );
      // switch abstract type
      } elseif ($val['ecom_abstract_type'] == "item") {
        if($val['ecom_data_locator_key'] == "rpc") {
          //$data_locator_meta = array( datasource => 'rpc', metatype => 'data', vartype => 'objects', classname => $val['ecom_data_ident']);
          $data_locator_meta = array( datasource => 'rpc', metatype => 'data', abstract_type => 'item', ident => $val['ecom_data_ident'], classname => $val['ecom_data_meta']);
        } else {
          user_error("AbstractExplorer::_prepare_component_args - Cannot build query for data_locator_key $val[ecom_data_locator_key] !");
        }
        if(!$val['ecom_mode']) { $val['ecom_mode'] = "view"; }
        print "Mode: $val[ecom_mode]<br>";
        $args = array(
                      'caption' => $val['ecom_data_meta'],
                      'mode' => $val['ecom_mode'],
                      'options' => array( 
                                          'data_locator_meta' => $data_locator_meta,
                                          'decode' => 1,
                                          'decode_args' => array(
                                              'seperator' => "_",
                                              ),
                                          ),
                      );
         if($val['ecom_mode'] == "edit") { $args['adapter'] = 'FormProcessor'; }
      }
    
    // switch component type
    } elseif ($val['ecom_type'] == "nav") {
      // switch abstract type
      if($val['ecom_abstract_type'] == "list") {
       $args = array();
        if($val['ecom_data_locator_key'] == "rpc") {
          // switch component label
          if($label == "nav") {
            $data_locator_meta = array( datasource => 'rpc', metatype => 'schema', filter => 'nodes.root:concrete' );
            $args['caption'] = "Objekt Typen";
          }
          // NEW [2003-04-05]: DataSource.Chooser
          elseif ($label == "chooser") {
            $data_locator_meta = array( datasource => 'rpc', metatype => 'schema', filter => 'sources.all' );
            $args['caption'] = "Datenquellen";
          }
          $args['options']['data_locator_meta'] = $data_locator_meta;
        } else {
          user_error("AbstractExplorer::_prepare_component_args - Cannot build schema query for data_locator_key $val[ecom_data_locator_key] !");
        }
      } elseif ($val['ecom_abstract_type'] == "tree") {
        $args = array();
      }


    }
    return $args;
  }


  function get_msg($label) {
    if($label == "welcome") {
      $msg = "Welcome to the Explorer.";
    }
    return $msg;
  }


  function render() {
    user_error("AbstractExplorer::render - please implement me....");
  }

}


?>
1	jonen	1.1	<?
2			/*
3			## -----------------------------------------------------------------------------
4	jonen	1.11	## $Id: AbstractExplorer.php,v 1.10 2003/04/05 20:32:04 joko Exp $
5	jonen	1.1	## -----------------------------------------------------------------------------
6			## $Log: AbstractExplorer.php,v $
7	jonen	1.11	## Revision 1.10 2003/04/05 20:32:04 joko
8			## added Chooser
9			##
10	joko	1.10	## Revision 1.9 2003/04/04 02:22:37 joko
11			## minor fix: querySchema now issues argument
12			##
13	joko	1.9	## Revision 1.8 2003/04/04 01:16:03 jonen
14			## + integrated different mode's for 'DataItem'
15			##
16	jonen	1.8	## Revision 1.7 2003/03/29 07:49:55 joko
17			## show boxes in DEBUG-mode only!
18			##
19	joko	1.7	## Revision 1.6 2003/03/28 06:42:37 joko
20			## fix: propagating rpc-debugging-options to constants here
21			##
22	joko	1.6	## Revision 1.5 2003/03/27 01:24:29 jonen
23			## + enabled navigation ecom (only list yet)
24			##
25	jonen	1.5	## Revision 1.4 2003/03/20 08:02:11 jonen
26			## + purged code
27			##
28	jonen	1.4	## Revision 1.3 2003/03/20 07:54:52 jonen
29			## + added docu
30			##
31	jonen	1.3	## Revision 1.2 2003/03/20 07:44:31 jonen
32			## + removed dumper
33			##
34	jonen	1.2	## Revision 1.1 2003/03/20 03:48:46 jonen
35			## + initial commit
36			##
37	jonen	1.1	## Revision 1.1 2003/03/08 02:36:17 cvsmax
38			## + moved from *.inc
39			## + mungled namespace with WebExplorer
40			##
41			## Revision 1.3 2003/03/03 22:25:21 joko
42			## fixed minor typos
43			## namespace mungling
44			##
45			## Revision 1.2 2003/03/02 00:48:49 cvsmax
46			## + set up gui module registry
47			## - purged old/sample code
48			##
49			## Revision 1.1 2003/03/01 22:57:32 cvsmax
50			## + inital commit
51			##
52			##
53			## -----------------------------------------------------------------------------
54			*/
55	jonen	1.3
56			/**
57			* WebExplorer::AbstractExplorer - this can be simple compared to a container,
58			* which modular GUI classes can be register, manipulated and rendered...
59			*
60			* @author Sebastian Utz <seut@tunemedia.de>
61			* @package org.netfrag.app
62			* @name WebExplorer::AbstractExplorer
63			*/
64	jonen	1.1
65
66			class WebExplorer_AbstractExplorer {
67
68			/**
69			* container holds meta information of data locators
70			*/
71			var $_data_locators = array();
72
73			/**
74			* container for registered modules
75			*/
76			var $_module = array();
77
78			/**
79			* container holds references to each ecom
80			*/
81			var $_ecom = array();
82
83			/**
84			* holds the whole page state
85			*/
86			var $_state = array();
87
88			/**
89			* holds state variables only needed for explorer
90			*/
91			var $_e_state = array();
92
93
94			function WebExplorer_AbstractExplorer($data_locators=array()) {
95			$this->_data_locators = $data_locators;
96	jonen	1.11	$this->init_default_gui_modules();
97	jonen	1.1	$this->set_e_state();
98	jonen	1.11
99			//debug
100	jonen	1.2	//print "State: " . Dumper($this->_state) ."<br>";
101	joko	1.6	$div = html_div();
102			$div->add( html_b(get_class($this)), html_hr(), "Explorer_State: " . Dumper($this->_e_state));
103			$div->set_style('background: #adadad; border: 2px black groove; width:640px; padding:10px; margin:40px;');
104	joko	1.7	if (constants::get('DEBUG')) {
105			print $div->render();
106			}
107	jonen	1.1	}
108
109
110			function add_data_locator($label, $args) {
111			$this->_data_locators[$label] = $args;
112			}
113
114			function set_data_locator($label, $new_args=array() ) {
115			global $app;
116			//print Dumper($app) . "<br>";
117			if($label == "rpc") {
118			$rpcinfo = $app->getConfig("rpcinfo");
119			define('RPC_HOSTNAME', $rpcinfo[Host]);
120			define('RPC_PORT', $rpcinfo[Port]);
121	joko	1.6	define('RPC_DEBUG', $rpcinfo[DEBUG]);
122			define('RPC_TRACE', $rpcinfo[TRACE]);
123			define('RPC_DISCONNECT_ON_ERROR', $rpcinfo[DISCONNECT_ON_ERROR]);
124	jonen	1.1	} else {
125			user_error("AbstractExplorer::set_data_locator - data_locator_key label $label not found!");
126			}
127			}
128
129			function get_data_locator($label) {
130			}
131
132			function get_page_state() {
133			$requestTracker = mkObject("Application::Request::Tracker");
134			$this->_state = $requestTracker->getPointer();
135			}
136
137			function set_e_state() {
138			$this->get_page_state();
139			$this->_e_state = $this->_state[options][options];
140			}
141
142
143			function set_page_state() {
144			user_error("AbstractExplorer::set_page_state - please implement me....");
145			}
146
147
148			function init_default_gui_modules() {
149			//$this->register_gui_module("n_tree", "nav", array( 'name' => "NavigationTree", 'type' => "tree") );
150	jonen	1.11	$this->register_gui_module("nav", "nav", "list", "WebExplorer::Module::NavigationList" );
151			$this->register_gui_module("content", "data", "list", "WebExplorer::Module::DataList" );
152			$this->register_gui_module("content", "data", "item", "WebExplorer::Module::DataItem" );
153	joko	1.10	// 2003-04-05 - Chooser
154	jonen	1.11	$this->register_gui_module("chooser", "nav", "list", "WebExplorer::Module::Chooser");
155	jonen	1.1	}
156
157			function register_source_module($label, $args) {
158			$this->_module['source'][$label] = $args;
159			}
160
161	jonen	1.11	function register_gui_module($label, $ecom_type, $abstract_type, $module_name) {
162			$this->_module['gui'][$label][$ecom_type][$abstract_type] = $module_name;
163	jonen	1.1	}
164
165	jonen	1.11
166	jonen	1.1	function &get_ecom($label) {
167			//return "Hello World";
168			$this->_load_ecom($label);
169			return $this->_ecom[$label];
170			}
171	jonen	1.11
172
173	jonen	1.1
174			function _load_ecoms() {
175	joko	1.10	//trace("_load_ecoms: " . Dumper($this->_e_state[ecoms]) . "<br/>");
176	jonen	1.1	foreach($this->_e_state[ecoms] as $label => $val) {
177			$this->_load_ecom($label);
178			}
179			}
180	jonen	1.11
181
182	jonen	1.1
183			function _load_ecom($label) {
184	jonen	1.11	// fetch values from state
185	jonen	1.1	$val = $this->_e_state['ecoms'][$label];
186	jonen	1.11	debug::info("_load_ecom($label): " . Dumper($val) . "<br/>");
187
188			// find right ecom gui module
189			$ecom_type = $val['ecom_type'];
190	jonen	1.1	$abstract_type = $val['ecom_abstract_type'];
191	jonen	1.11	$gui_module = $this->_module['gui'][$label][$ecom_type][$abstract_type];
192			//print Dumper($gui_module);
193	jonen	1.1	if(!$gui_module) {
194	joko	1.10	user_error("AbstractExplorer::_load_component - No GUI module found. [label='$label', abstract type='$val[ecom_abstract_type]', ecom type='$val[ecom_type]']");
195	jonen	1.1	return;
196			}
197	jonen	1.11
198			// get arguments needed for ecom gui module
199	jonen	1.1	$args = $this->_prepare_component_args($label);
200			//print Dumper($args);
201
202	jonen	1.11	// get ecom GUI module
203	jonen	1.1	$ecom = php::mkComponent($gui_module, $args);
204			//print Dumper($ecom);
205
206	jonen	1.11	// load phphtmllib GUI object
207	jonen	1.1	$gui_ecom = &$ecom->get();
208
209			// add hidden vars, needed for explorer control
210			$hidden_items = $this->_get_hidden_items($label);
211	jonen	1.8	if(is_array($hidden_items) ) {
212			$ecom->add_hidden_items($hidden_items);
213			//print "Hidden: " . Dumper($hidden_items);
214			}
215	jonen	1.1
216	jonen	1.11	// attempt:
217			//$gui_ecom->make_transparent();
218
219			// store phphtmllib GUI object
220	jonen	1.1	$this->_ecom[$label] = &$gui_ecom;
221			}
222
223	jonen	1.11
224
225	jonen	1.1	function _get_hidden_items($label) {
226			$ecom_state = $this->_e_state['ecoms'][$label];
227	jonen	1.5	if($ecom_state['ecom_type'] == "data") {
228			if($ecom_state['ecom_abstract_type'] == "list") {
229			$hidden_items = array(
230	jonen	1.1	'ecl' => $label,
231	jonen	1.8	'ecat' => "item",
232			'ecmod' => "view",
233	jonen	1.1	);
234	jonen	1.5	}
235	jonen	1.8	elseif($ecom_state['ecom_abstract_type'] == "item") {
236			$hidden_items = array(
237			'ecl' => $label,
238			'ecat' => "item",
239			'ecmod' => "view",
240			);
241			/*
242			if($ecom_state['ecom_mode'] == "view") {
243			$hidden_items['ecmod'] = "edit";
244			}
245			elseif($ecom_state['ecom_mode'] == "edit") {
246			$hidden_items['ecmod'] = "edit";
247			}
248			*/
249			}
250	jonen	1.5	$hidden_items['ap'] = "explorer";
251	jonen	1.1	}
252			return $hidden_items;
253			}
254
255	jonen	1.11
256
257	jonen	1.1	function _prepare_component_args($label) {
258			$val = $this->_e_state['ecoms'][$label];
259			$this->set_data_locator($val['ecom_data_locator_key']);
260	joko	1.10
261			// detect and execute 'selectSource' action
262			// FIXME: this is a HACK!!! move to a module 'BackendAction' or s.th.l.th.
263			//print Dumper($this->_e_state['sources']);
264			if ($source = $this->_e_state['main']['ecom_data_source_key']) {
265			//print "selectSource: $source<br/>";
266			//global $app;
267			//print Dumper($backend);
268			//$app->backend->do();
269			}
270
271	jonen	1.5	// switch component type
272			if($val['ecom_type'] == "data") {
273			// switch abstract type
274			if($val['ecom_abstract_type'] == "list") {
275			if($val['ecom_data_locator_key'] == "rpc") {
276			//$data_locator_meta = array( datasource => 'rpc', metatype => 'data', vartype => 'objects', classname => $val['ecom_data_ident']);
277			$data_locator_meta = array( datasource => 'rpc', metatype => 'data', abstract_type => 'list', classname => $val['ecom_data_ident']);
278			} else {
279			user_error("AbstractExplorer::_prepare_component_args - Cannot build query for data_locator_key $val[ecom_data_locator_key] !");
280			}
281			$args = array(
282	jonen	1.11	'caption' => $val['ecom_data_ident'],
283	jonen	1.1	'orderby' => "Guid",
284			'options' => array(
285			'data_locator_meta' => $data_locator_meta,
286			'decode' => 1,
287			'decode_args' => array(
288			'seperator' => "_",
289			'form' => 1,
290			),
291			),
292			);
293	jonen	1.5	// switch abstract type
294			} elseif ($val['ecom_abstract_type'] == "item") {
295	jonen	1.8	if($val['ecom_data_locator_key'] == "rpc") {
296			//$data_locator_meta = array( datasource => 'rpc', metatype => 'data', vartype => 'objects', classname => $val['ecom_data_ident']);
297			$data_locator_meta = array( datasource => 'rpc', metatype => 'data', abstract_type => 'item', ident => $val['ecom_data_ident'], classname => $val['ecom_data_meta']);
298			} else {
299			user_error("AbstractExplorer::_prepare_component_args - Cannot build query for data_locator_key $val[ecom_data_locator_key] !");
300			}
301			if(!$val['ecom_mode']) { $val['ecom_mode'] = "view"; }
302			print "Mode: $val[ecom_mode]<br>";
303			$args = array(
304	jonen	1.11	'caption' => $val['ecom_data_meta'],
305	jonen	1.8	'mode' => $val['ecom_mode'],
306			'options' => array(
307			'data_locator_meta' => $data_locator_meta,
308			'decode' => 1,
309			'decode_args' => array(
310			'seperator' => "_",
311			),
312			),
313			);
314			if($val['ecom_mode'] == "edit") { $args['adapter'] = 'FormProcessor'; }
315	jonen	1.5	}
316	joko	1.10
317	jonen	1.5	// switch component type
318			} elseif ($val['ecom_type'] == "nav") {
319			// switch abstract type
320			if($val['ecom_abstract_type'] == "list") {
321	jonen	1.11	$args = array();
322	jonen	1.5	if($val['ecom_data_locator_key'] == "rpc") {
323	jonen	1.11	// switch component label
324			if($label == "nav") {
325			$data_locator_meta = array( datasource => 'rpc', metatype => 'schema', filter => 'nodes.root:concrete' );
326			$args['caption'] = "Objekt Typen";
327			}
328			// NEW [2003-04-05]: DataSource.Chooser
329			elseif ($label == "chooser") {
330			$data_locator_meta = array( datasource => 'rpc', metatype => 'schema', filter => 'sources.all' );
331			$args['caption'] = "Datenquellen";
332			}
333			$args['options']['data_locator_meta'] = $data_locator_meta;
334	jonen	1.5	} else {
335	joko	1.10	user_error("AbstractExplorer::_prepare_component_args - Cannot build schema query for data_locator_key $val[ecom_data_locator_key] !");
336	jonen	1.5	}
337			} elseif ($val['ecom_abstract_type'] == "tree") {
338			$args = array();
339			}
340	joko	1.10
341
342	jonen	1.1	}
343			return $args;
344			}
345
346	jonen	1.11
347
348	jonen	1.1	function get_msg($label) {
349			if($label == "welcome") {
350			$msg = "Welcome to the Explorer.";
351			}
352			return $msg;
353			}
354	jonen	1.11
355
356	jonen	1.1
357			function render() {
358			user_error("AbstractExplorer::render - please implement me....");
359			}
360
361			}
362
363
364			?>
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