org.netfrag.app/WebExplorer/MVC.php

<?php

/**
 * $Id: MVC.php,v 1.18 2003/07/02 12:18:00 jonen Exp $
 *
 * $Log: MVC.php,v $
 * Revision 1.18  2003/07/02 12:18:00  jonen
 * fixed bugs
 *
 * Revision 1.17  2003/06/25 23:45:05  joko
 * trying to switch from "ap" completely to "t"
 *
 * Revision 1.16  2003/05/13 14:53:56  joko
 * reset mvc-params "filter" and "meta" in tree mode!?
 *
 * Revision 1.15  2003/05/10 18:19:55  jonen
 * + added stuff relating to 'create/add new' links/buttons
 *
 * Revision 1.14  2003/04/19 16:20:47  jonen
 * + added handle of ecom 'UMnav' according to page 'Benutzverwaltung'
 *
 * Revision 1.13  2003/04/18 15:30:24  joko
 * NEW: parameter 'ecom_data_filter' - used for 'items'
 *   (introduced to filter xml-payload at backend side via xpath queries)
 * documented global state parameters
 * some comments
 *
 * Revision 1.12  2003/04/18 13:40:54  jonen
 * + added 'topic' to requested vars which will currently be merged with the 'ap' var
 *
 * Revision 1.11  2003/04/11 00:51:10  joko
 * minor update: just testing stuff...
 *
 * Revision 1.10  2003/04/10 06:03:26  joko
 * ++ renamed keys: 'ecom_data_form_edit', 'ecom_data_form_cancel' through 'ecom_data_action_edit', 'ecom_data_action_cancel'
 * + new key: 'ecom_data_action_delete'
 * + Action.Delete: not really, since it's inside component in fact (self-contained ecom)
 *
 * Revision 1.9  2003/04/09 00:05:50  jonen
 * added request values and functions needed for extended form handling
 *
 * Revision 1.8  2003/04/08 17:53:08  joko
 * NEW: Module 'RemoteAction' in 'phase_startup'
 *
 * Revision 1.7  2003/04/07 22:32:27  jonen
 * + minor changes related to new ecom 'chooser'
 *
 * Revision 1.6  2003/04/06 01:32:57  jonen
 * + minor changes
 *
 * Revision 1.5  2003/04/05 21:18:29  joko
 * added Chooser and associated 'ecds'-parameter
 * new rule (at bottom) to dispatch datasource-keys to each ecom-component
 *
 * Revision 1.4  2003/04/04 23:59:19  jonen
 * + minor changes according to data form submits
 *
 * Revision 1.3  2003/04/04 01:28:13  jonen
 * + added function to purge unwanted merged vars
 * + handle form submit's now
 *
 * Revision 1.2  2003/03/20 07:54:52  jonen
 * + added docu
 *
 * Revision 1.1  2003/03/20 03:48:47  jonen
 * + initial commit
 *
 * Revision 1.2  2003/03/18 00:00:20  cvsmax
 * + added thoughts and models for preparing control data to Explorer
 *
 * Revision 1.1  2003/03/08 02:36:39  cvsmax
 * + moved from *.inc
 * + mungled namespace with WebExplorer
 *
 * Revision 1.1  2003/03/03 22:26:16  joko
 * + initial commit, inherits from WebMVC
 *
 * Revision 1.1  2003/03/02 00:49:36  joko
 * + initial commit
 *
 *
 */

/**
 * WebExplorer::MVC - this the MVC used by the WebExplorer.
 *  Its derived from the 'Site::WebAppMVC' module.
 *
 * @author Sebastian Utz <seut@tunemedia.de>
 * @package org.netfrag.app
 * @name WebExplorer::MVC
 */

loadModule('Site::WebAppMVC');

class WebExplorer_MVC extends Site_WebAppMVC {

  //var $_backend = null;
  var $_raw = array();
  var $_registry = array();

  function WebExplorer_MVC(&$args) {

    parent::constructor();

    // new!!! a registry for Views!!!
    //$regdb = $this->getStaticRegistryDatabase();
    //$this->_registry = mkObject('Application::ComponentRegistry', &$regdb, 'REGDB_PAYLOAD');

    // new!!! storing the raw request here
    $this->_raw[request] = &$args[request];
    
    // new!!! user_setup, phpHtmlLib-style...
    $this->user_setup();
    
  }

  // setup MVC (model-view-controller) metadata information
  function user_setup() {

    $this->add_model( array(
      //args => array( 'classname', 'guid', 'action', 'data_locator_key', 'block' ),
      request_args => array( 
        // ApplicationTopic
        'topic',
        // ApplicationPage
        'ap',
        // important/required parameters for valid ecom-components
        'ecom_label', 'ecom_type', 'ecom_abstract_type', 'ecom_mode', 
        // parameters about data identifiers, locations, sources and associated meta-information
        'ecom_data_locator_key',
        'ecom_data_ident', 
        'ecom_data_meta', 'ecom_data_meta_x',
        'ecom_data_action_edit', 'ecom_data_action_cancel', 'ecom_data_action_delete', 'ecom_data_action_create',
        'ecom_data_form_checkbox', 'ecom_data_form_action',
        'ecom_data_source_key',
        'ecom_data_filter',
      ),
      request_arg => array(
        
        // a key identifying the current topic
          'topic' => array( query_arg => 't' ),

        // a key identifying the current page
          'ap' => array( query_arg => 'ap' ),
        
        // ecom, ecom, ecom
          
          // component specific arguments (important for the main dispatcher, etc.)
          // a label identifying a component
          'ecom_label' => array( query_arg => 'ecl' ),
          // data or schema
          'ecom_type' => array( query_arg => 'ect' ),
          // item, list or tree
          'ecom_abstract_type' => array( query_arg => 'ecat' ),


        // data, data, data
          
          // e.g. view, edit
          'ecom_mode' => array( query_arg => 'ecmod' ),
          // This should be renamed to 'ecom_data_transport_key'.
          'ecom_data_locator_key' => array( query_arg => 'ecdlk' ),
          
          // This should be enough to identify data Xyz.
          // e.g. an OID, a GUID, a filename or similar stuff
          'ecom_data_ident' => array( query_arg => 'ecdid' ),
          // e.g. a classname or a filename
          'ecom_data_meta' => array( query_arg => 'ecdm' ),
          // extended meta, e.g. 2nd parent identifier
          'ecom_data_meta_x' => array( query_arg => 'ecdmx' ),
          // filter the data: e.g. 
          //    - an xpath-query (xpq), 
          //    - an abstract/custom filter string or
          //    - a parent node identifier (maybe revamp as 'ecdpnid')?
          'ecom_data_filter' => array( query_arg => 'ecdf' ),
          
          // Some actions ...
          // ... required for data items.
          'ecom_data_action_edit' => array( query_arg => 'ecdfe' ),
          'ecom_data_action_cancel' => array( query_arg => 'ecdfc' ),
          'ecom_data_action_delete' => array( query_arg => 'ecdfd' ),
          'ecom_data_action_create' => array( query_arg => 'ecdfcr' ),
          // ... required for data lists.
          'ecom_data_form_action' => array( query_arg => 'ecdfa' ),
          'ecom_data_form_checkbox' => array( query_arg => 'checkbox' ),
          
          // Special argument (should become a non-data-action).
          // Triggers 'selectSource' at backend api (remote api) which causes a database handle switch.
          'ecom_data_source_key' => array( query_arg => 'ecds' ),

      ),

/*
    // block model (what is used for each block)
    // is this deprecated???
      block => array(
        'ident' => array( query_arg => 'ident' ),
        'meta' => array( query_arg => 'meta' ),
        'action' => array( query_arg =>  'action'),
        'data_locator_key' => array( query_arg => 'dlk' ),
        'gui_module' => array( query_arg => 'gm' ),
        'abstract_type' => array( query_arg => 'at' ),
      ),
*/

    ));

    
    // TODO: activate MVC-Views!!!
    // - Here: Picture a ecom-component as a MVC-View.
    // - Assign a GUID to each ecom-component!
    // - Build WebExplorer-Introspection-Module to show stuff like this...    (->WebExplorer::Designer)
    
    
    //$this->setup_views( &$this->_registry );

    // associate behaviour with "View"-components
    // identify component by: module name or component identifier (COID)
    // 'name' is looked up in that to get metadata information about the comp.
    //    component: for 'component = 1', a component registry is required!!!
    //    name: registry-lookup: by-name
    //    COID: registry-lookup: by-COID
    //    caption: caption of area or title of page
    $this->add_view( array(
      component => 1,
      name => 'NavigationList',
      // COID => '123',
      caption => "Explorer - NavigationList",
    ));
    $this->add_view( array(
      component => 1,
      name => 'ExplorerDataList',
      // COID => '123',
      caption => "Explorer - ExplorerDataList",
    ));
    $this->add_view( array(
      component => 1,
      name => 'ExplorerDataItem',
      // COID => '123',
      caption => "Explorer - ExplorerDataItem",
    ));
            
    // FIXME!!! enhance!?!?
    // AIM: "dispatch a Request to a View by using rules..."
    // Todo: 
    //    'HttpController' is *very* dumb by now, it just iterates 
    //    this flat list below triggering the lambdas with their arguments.
    //    Enhance this backend and introduce a mechanism to trigger 
    //    a true callback to process a rule (or: "as a rule") on top of that.
    $this->add_controller( array(
      
      // for "module", no component registry is required, just does 'mkObject' under the hood
      module => 'Application::Request::HttpController', 
      //module_options => blah

      rules => array(
        
        // get last page state
        create_function('&$_in, &$_out', '
          $requestTracker = mkObject("Application::Request::Tracker");
          $page_state = $requestTracker->getPointer();
          $pre_out = $page_state[options];
          //print "pre_out: " . Dumper($pre_out);
          
          // clean-up unwanted variables
          $label = $_in[ecom_label];
          switch ($_in[ecom_abstract_type]) {
            case "list":
              if ($pre_out[options][ecoms][$label][ecom_data_meta]) { unset($pre_out[options][ecoms][$label][ecom_data_meta]); }
              if ($pre_out[options][ecoms][$label][ecom_data_meta_x]) { unset($pre_out[options][ecoms][$label][ecom_data_meta_x]); }
              break;
            // 2003-04-16: required for xmltree-to-item transition
            // if we dont do this the "dotted" filter expression would persist across views
            case "item":
              if ($pre_out[options][ecoms][$label][ecom_data_filter]) { unset($pre_out[options][ecoms][$label][ecom_data_filter]); }
              break;
            case "tree":
              if ($pre_out[options][ecoms][$label][ecom_data_filter]) { unset($pre_out[options][ecoms][$label][ecom_data_filter]); }
              if ($pre_out[options][ecoms][$label][ecom_data_meta]) { unset($pre_out[options][ecoms][$label][ecom_data_meta]); }
              break;
          }
          $_out = $pre_out;
        '),

        // reset machine
        create_function('&$_in, &$_out', '
            // HACK!!!
            // FIXME: review and implement in a more clean way?
            //print "RESET!<br/>";
            $_out[options][ecoms][phase_startup] = "RESET";
        '),

        // rewrite idents
        create_function('&$_in, &$_out', '
        
          // old version: ap == explorer
           // map Topic to Page if exists
           //if ($_in[topic]) {
           // $_in[ap] = $_in[topic];
           //}          
          //$idents = array ( ap );
          //foreach($idents as $key) {
          //  $_out[options][idents][$key] = $_in[$key];
          //}
          
          // 2003-06-26: switched from ap=explorer to t=DataBrowser
          $_out[options][idents][t] = $_in[topic];

        '),
        
        // check right $_GET[ap] - depreciated
        //create_function('&$_in, &$_out', 'return ($_in[ap] != "explorer") ? print "Wrong application value [ap]: $_in[ap], sure this is right here?<br>" : null;'),

        // write components variables to out
        create_function('&$_in, &$_out', '
          $vars = array( 
            ecom_type, ecom_abstract_type, ecom_mode, ecom_data_locator_key,
            ecom_data_ident, ecom_data_meta, ecom_data_filter, ecom_data_meta_x
          );
          //  ecom_call_method, ecom_call_args
          if($_in[ecom_label]) {
            foreach($vars as $key) {
              if($_in[$key]) {
                //print "var: " . $key . " value: " . $_in[$key] . "<br>";
                $label = $_in[ecom_label];
                $_out[options][ecoms][$label][$key] = $_in[$key];
              }
            }
          }

          return;
        '),

        // create default ecoms (navigation, chooser [as of 2003-04-05] etc.)
        create_function('&$_in, &$_out', '
          if(!$_out[options][ecoms] || !is_array($_out[options][ecoms])) {
            $_out[options][ecoms] = array(
                    nav => array(
                              ecom_type => "nav",
                              ecom_abstract_type => "list",
                              ecom_mode => "link",
                              ecom_data_locator_key => "rpc",
                              ),
                    chooser => array(
                              ecom_type => "nav",
                              ecom_abstract_type => "list",
                              ecom_mode => "link",
                              ecom_data_locator_key => "rpc",
                              ),
                  );
          }
          //$_out[options][components] = $_in[components];
          return;
        '),

        // handle data form action(button)
        create_function('&$_in, &$_out', '
          if($_in[ap] == "Benutzerverwaltung" || $_in[topic] == "Benutzerverwaltung") {
            if(!$_out[options][ecoms][UMnav]) {
              $_out[options][ecoms][UMnav] = array(
                              ecom_type => "nav",
                              ecom_abstract_type => "tree",
                              ecom_mode => "link",
                              ecom_data_locator_key => "rpc",
                              );
            }
          }
        '),

        // handle data form action(button)
        create_function('&$_in, &$_out', '
          $label = $_in[ecom_label];
          if($_in[ecom_data_form_action]) {
            //print "from action button pressed!<br>";
           if(is_array($_in[ecom_data_form_checkbox])) {
            $cnt = sizeof($_in[ecom_data_form_checkbox]);
            $tmp = array();
            foreach($_in[ecom_data_form_checkbox] as $ident) {
                if($ident) { array_push($tmp, $ident); }
            }
            if($cnt == 1) {
               print "Single selection, ident : " . $tmp[0] . "<br>";
                $_out[options][ecoms][$label][ecom_data_ident] = $tmp[0];
              $_out[options][ecoms][$label][ecom_abstract_type] = "item";
            } elseif($cnt > 1) {
              // TODO: implement multi-selection actions on rows(items) here!!
                print "Multi-Selection!! Current Ident(s) $tmp" . "<br>";
                $_out[options][ecoms][$label][ecom_data_ident] = $tmp;
                $_out[options][ecoms][$label][ecom_abstract_type] = "item";
            }
           } else {
             print "ident: " . Dumper($_out[options][ecoms][$label][ecom_data_ident]) . "<br>";
           }
           $_out[options][ecoms][$label][ecom_data_meta] = $_in[ecom_data_ident];
           $_out[options][ecoms][$label][ecom_mode] = $_in[ecom_data_form_action];
           //print "in: " . Dumper($_in) . "<br>";
           //print "out: " . Dumper($_out) . "<br>";
          }
        '),


        // handle data form buttons
        create_function('&$_in, &$_out', '
          $label = $_in[ecom_label];
          if($_in[ecom_data_action_edit]) {
            $_out[options][ecoms][$label][ecom_mode] = "edit";
            $_out[options][ecoms][$label][ecom_abstract_type] = "item";
          }
          if($_in[ecom_data_action_cancel]) {
            $_out[options][ecoms][$label][ecom_mode] = "view";
            $_out[options][ecoms][$label][ecom_abstract_type] = "item";
          }

          // Action.Create 
          if($_in[ecom_data_action_create]) {
            //print Dumper($_out[options][ecoms][$label]);
            $_out[options][ecoms][$label][ecom_mode] = "create";
            $_out[options][ecoms][$label][ecom_abstract_type] = "item";
          }
          
          // Action.Delete [new of 2003-04-09]
          if ($_in[ecom_data_action_delete]) {
            
            //$_out[options][ecoms][content][ecom_mode] = "view";

            // the code here vanished to the component itself!
            // could/should we do this for "edit" and/or "view" actions as well?
            // look at ecom/FlexibleDataItem!

            $_out[options][ecoms][$label][ecom_abstract_type] = "item";
          }
        '),

        // propagate datasources to ecoms
        // datasource-change requested? enhance logic here! 
        // by now each ecom-component gets injected the very same
        // datasource if requested - otherwise everything will fall back to defaults
        create_function('&$_in, &$_out', '
          if ($_in[ecom_data_source_key]) {
            
            print "YAI: ecom_data_source_key<br/>";
            
            //print Dumper($_out[options][ecoms]);
            //print "ds: " . $_in[ecom_data_source_key] . "<br/>";
            /*
            foreach ($_out[options][ecoms] as $name => $ecom) {
              print "name: $name<br/>";
              //$_out[options][sources][selected] = $_in[ecom_data_source];
              $_out[options][ecoms][$name][ecom_data_source_key] = $_in[ecom_data_source_key];
            }
            */
            $_out[options][main][ecom_data_source_key] = $_in[ecom_data_source_key];


            // 2003-04-07 - enhanced
            // now activates a special ecom-component - a "RemoteAction" - replacing
            // the "content"-ecom instead of displaying an empty page / overriding any
            // view reached by "normal dispatching"

            $_out[options][ecoms][phase_startup] = array(
              ecom_type => "call",
              ecom_abstract_type => "auto",
              ecom_mode => "link",
              ecom_data_locator_key => "rpc",
              // new attributes/properties/arguments that control further / trigger different DataFlow:
              // FIXME: add these to declaration at top!
              ecom_call_method => "selectSource",
              ecom_call_args => $_in[ecom_data_source_key]
            );

          }
        '),
        

/*
        // translate value of argument "action" (olist => list.view, oedit => item.edit)
        // action dispatcher
        create_function('&$_in, &$_out', '
          $_out = $_in;
          switch ($_out[action]) {
            case "olist":
              $_out[action] = "list.view";
              break;
            case "oedit":
              $_out[action] = "item.edit";
              break;
            case "":
              print "ExplorerController: selecting default action \"list.view\" in rule #2.<br/>";
              $_out[options][action] = "list.view";
              return;
              break;
          }
          //return "last";
        '),


        // dummy rule - just returns
        create_function('&$_in, &$_out', '
          return;
          if ($_in[topic] == "DataBrowser.item.edit" || $_in[page] == "oedit") {
            $_out[view] = "Page::DataBrowser";
            $_out[options] = array( caption_context => "Item - [edit]", args => array(HTML, "UB_ITEM"));
          }
        '),
*/


        // tracing-rule - dumps $_in and $_out
        /*
        create_function('&$_in, &$_out', '
          print "I am here: AnyMVC<br/>";
          print "in: " . Dumper($_in);
          print "out: " . Dumper($_out);
          //exit;
          return;
        '),
        */
      ),
    ));

  }

    
}

?>
1	jonen	1.1	<?php
2
3			/**
4	jonen	1.19	* $Id: MVC.php,v 1.18 2003/07/02 12:18:00 jonen Exp $
5	jonen	1.1	*
6			* $Log: MVC.php,v $
7	jonen	1.19	* Revision 1.18 2003/07/02 12:18:00 jonen
8			* fixed bugs
9			*
10	jonen	1.18	* Revision 1.17 2003/06/25 23:45:05 joko
11			* trying to switch from "ap" completely to "t"
12			*
13	joko	1.17	* Revision 1.16 2003/05/13 14:53:56 joko
14			* reset mvc-params "filter" and "meta" in tree mode!?
15			*
16	joko	1.16	* Revision 1.15 2003/05/10 18:19:55 jonen
17			* + added stuff relating to 'create/add new' links/buttons
18			*
19	jonen	1.15	* Revision 1.14 2003/04/19 16:20:47 jonen
20			* + added handle of ecom 'UMnav' according to page 'Benutzverwaltung'
21			*
22	jonen	1.14	* Revision 1.13 2003/04/18 15:30:24 joko
23			* NEW: parameter 'ecom_data_filter' - used for 'items'
24			* (introduced to filter xml-payload at backend side via xpath queries)
25			* documented global state parameters
26			* some comments
27			*
28	joko	1.13	* Revision 1.12 2003/04/18 13:40:54 jonen
29			* + added 'topic' to requested vars which will currently be merged with the 'ap' var
30			*
31	jonen	1.12	* Revision 1.11 2003/04/11 00:51:10 joko
32			* minor update: just testing stuff...
33			*
34	joko	1.11	* Revision 1.10 2003/04/10 06:03:26 joko
35			* ++ renamed keys: 'ecom_data_form_edit', 'ecom_data_form_cancel' through 'ecom_data_action_edit', 'ecom_data_action_cancel'
36			* + new key: 'ecom_data_action_delete'
37			* + Action.Delete: not really, since it's inside component in fact (self-contained ecom)
38			*
39	joko	1.10	* Revision 1.9 2003/04/09 00:05:50 jonen
40			* added request values and functions needed for extended form handling
41			*
42	jonen	1.9	* Revision 1.8 2003/04/08 17:53:08 joko
43			* NEW: Module 'RemoteAction' in 'phase_startup'
44			*
45	joko	1.8	* Revision 1.7 2003/04/07 22:32:27 jonen
46			* + minor changes related to new ecom 'chooser'
47			*
48	jonen	1.7	* Revision 1.6 2003/04/06 01:32:57 jonen
49			* + minor changes
50			*
51	jonen	1.6	* Revision 1.5 2003/04/05 21:18:29 joko
52			* added Chooser and associated 'ecds'-parameter
53			* new rule (at bottom) to dispatch datasource-keys to each ecom-component
54			*
55	joko	1.5	* Revision 1.4 2003/04/04 23:59:19 jonen
56			* + minor changes according to data form submits
57			*
58	jonen	1.4	* Revision 1.3 2003/04/04 01:28:13 jonen
59			* + added function to purge unwanted merged vars
60			* + handle form submit's now
61			*
62	jonen	1.3	* Revision 1.2 2003/03/20 07:54:52 jonen
63			* + added docu
64			*
65	jonen	1.2	* Revision 1.1 2003/03/20 03:48:47 jonen
66			* + initial commit
67			*
68	jonen	1.1	* Revision 1.2 2003/03/18 00:00:20 cvsmax
69			* + added thoughts and models for preparing control data to Explorer
70			*
71			* Revision 1.1 2003/03/08 02:36:39 cvsmax
72			* + moved from *.inc
73			* + mungled namespace with WebExplorer
74			*
75			* Revision 1.1 2003/03/03 22:26:16 joko
76			* + initial commit, inherits from WebMVC
77			*
78			* Revision 1.1 2003/03/02 00:49:36 joko
79			* + initial commit
80			*
81			*
82			*/
83	jonen	1.2
84			/**
85			* WebExplorer::MVC - this the MVC used by the WebExplorer.
86			* Its derived from the 'Site::WebAppMVC' module.
87			*
88			* @author Sebastian Utz <seut@tunemedia.de>
89			* @package org.netfrag.app
90			* @name WebExplorer::MVC
91			*/
92
93	jonen	1.1	loadModule('Site::WebAppMVC');
94
95			class WebExplorer_MVC extends Site_WebAppMVC {
96
97			//var $_backend = null;
98			var $_raw = array();
99			var $_registry = array();
100
101			function WebExplorer_MVC(&$args) {
102
103			parent::constructor();
104
105			// new!!! a registry for Views!!!
106			//$regdb = $this->getStaticRegistryDatabase();
107			//$this->_registry = mkObject('Application::ComponentRegistry', &$regdb, 'REGDB_PAYLOAD');
108
109			// new!!! storing the raw request here
110			$this->_raw[request] = &$args[request];
111
112			// new!!! user_setup, phpHtmlLib-style...
113			$this->user_setup();
114
115			}
116
117			// setup MVC (model-view-controller) metadata information
118			function user_setup() {
119
120			$this->add_model( array(
121			//args => array( 'classname', 'guid', 'action', 'data_locator_key', 'block' ),
122	joko	1.5	request_args => array(
123	jonen	1.12	// ApplicationTopic
124			'topic',
125	joko	1.5	// ApplicationPage
126			'ap',
127			// important/required parameters for valid ecom-components
128			'ecom_label', 'ecom_type', 'ecom_abstract_type', 'ecom_mode',
129			// parameters about data identifiers, locations, sources and associated meta-information
130			'ecom_data_locator_key',
131			'ecom_data_ident',
132	jonen	1.15	'ecom_data_meta', 'ecom_data_meta_x',
133			'ecom_data_action_edit', 'ecom_data_action_cancel', 'ecom_data_action_delete', 'ecom_data_action_create',
134	jonen	1.9	'ecom_data_form_checkbox', 'ecom_data_form_action',
135	joko	1.13	'ecom_data_source_key',
136			'ecom_data_filter',
137	joko	1.5	),
138	jonen	1.1	request_arg => array(
139	joko	1.13
140			// a key identifying the current topic
141			'topic' => array( query_arg => 't' ),
142
143			// a key identifying the current page
144			'ap' => array( query_arg => 'ap' ),
145
146			// ecom, ecom, ecom
147
148			// component specific arguments (important for the main dispatcher, etc.)
149			// a label identifying a component
150			'ecom_label' => array( query_arg => 'ecl' ),
151			// data or schema
152			'ecom_type' => array( query_arg => 'ect' ),
153			// item, list or tree
154			'ecom_abstract_type' => array( query_arg => 'ecat' ),
155
156
157			// data, data, data
158
159			// e.g. view, edit
160			'ecom_mode' => array( query_arg => 'ecmod' ),
161			// This should be renamed to 'ecom_data_transport_key'.
162			'ecom_data_locator_key' => array( query_arg => 'ecdlk' ),
163
164			// This should be enough to identify data Xyz.
165			// e.g. an OID, a GUID, a filename or similar stuff
166			'ecom_data_ident' => array( query_arg => 'ecdid' ),
167			// e.g. a classname or a filename
168			'ecom_data_meta' => array( query_arg => 'ecdm' ),
169	jonen	1.15	// extended meta, e.g. 2nd parent identifier
170			'ecom_data_meta_x' => array( query_arg => 'ecdmx' ),
171	joko	1.13	// filter the data: e.g.
172			// - an xpath-query (xpq),
173			// - an abstract/custom filter string or
174			// - a parent node identifier (maybe revamp as 'ecdpnid')?
175			'ecom_data_filter' => array( query_arg => 'ecdf' ),
176
177			// Some actions ...
178			// ... required for data items.
179			'ecom_data_action_edit' => array( query_arg => 'ecdfe' ),
180			'ecom_data_action_cancel' => array( query_arg => 'ecdfc' ),
181			'ecom_data_action_delete' => array( query_arg => 'ecdfd' ),
182	jonen	1.15	'ecom_data_action_create' => array( query_arg => 'ecdfcr' ),
183	joko	1.13	// ... required for data lists.
184			'ecom_data_form_action' => array( query_arg => 'ecdfa' ),
185			'ecom_data_form_checkbox' => array( query_arg => 'checkbox' ),
186
187			// Special argument (should become a non-data-action).
188			// Triggers 'selectSource' at backend api (remote api) which causes a database handle switch.
189			'ecom_data_source_key' => array( query_arg => 'ecds' ),
190
191	jonen	1.1	),
192
193			/*
194			// block model (what is used for each block)
195	joko	1.13	// is this deprecated???
196	jonen	1.1	block => array(
197			'ident' => array( query_arg => 'ident' ),
198			'meta' => array( query_arg => 'meta' ),
199			'action' => array( query_arg => 'action'),
200			'data_locator_key' => array( query_arg => 'dlk' ),
201			'gui_module' => array( query_arg => 'gm' ),
202			'abstract_type' => array( query_arg => 'at' ),
203			),
204			*/
205
206			));
207
208	joko	1.13
209			// TODO: activate MVC-Views!!!
210			// - Here: Picture a ecom-component as a MVC-View.
211			// - Assign a GUID to each ecom-component!
212			// - Build WebExplorer-Introspection-Module to show stuff like this... (->WebExplorer::Designer)
213
214
215	jonen	1.1	//$this->setup_views( &$this->_registry );
216
217			// associate behaviour with "View"-components
218			// identify component by: module name or component identifier (COID)
219			// 'name' is looked up in that to get metadata information about the comp.
220			// component: for 'component = 1', a component registry is required!!!
221			// name: registry-lookup: by-name
222			// COID: registry-lookup: by-COID
223			// caption: caption of area or title of page
224			$this->add_view( array(
225			component => 1,
226			name => 'NavigationList',
227			// COID => '123',
228			caption => "Explorer - NavigationList",
229			));
230			$this->add_view( array(
231			component => 1,
232			name => 'ExplorerDataList',
233			// COID => '123',
234			caption => "Explorer - ExplorerDataList",
235			));
236			$this->add_view( array(
237			component => 1,
238			name => 'ExplorerDataItem',
239			// COID => '123',
240			caption => "Explorer - ExplorerDataItem",
241			));
242	jonen	1.6
243	jonen	1.1	// FIXME!!! enhance!?!?
244			// AIM: "dispatch a Request to a View by using rules..."
245			// Todo:
246			// 'HttpController' is very dumb by now, it just iterates
247			// this flat list below triggering the lambdas with their arguments.
248			// Enhance this backend and introduce a mechanism to trigger
249			// a true callback to process a rule (or: "as a rule") on top of that.
250			$this->add_controller( array(
251	joko	1.5
252	jonen	1.1	// for "module", no component registry is required, just does 'mkObject' under the hood
253			module => 'Application::Request::HttpController',
254	jonen	1.6	//module_options => blah
255
256	jonen	1.1	rules => array(
257
258			// get last page state
259			create_function('&$_in, &$_out', '
260			$requestTracker = mkObject("Application::Request::Tracker");
261			$page_state = $requestTracker->getPointer();
262	jonen	1.3	$pre_out = $page_state[options];
263	jonen	1.15	//print "pre_out: " . Dumper($pre_out);
264	joko	1.13
265	jonen	1.3	// clean-up unwanted variables
266			$label = $_in[ecom_label];
267			switch ($_in[ecom_abstract_type]) {
268			case "list":
269	joko	1.13	if ($pre_out[options][ecoms][$label][ecom_data_meta]) { unset($pre_out[options][ecoms][$label][ecom_data_meta]); }
270	jonen	1.15	if ($pre_out[options][ecoms][$label][ecom_data_meta_x]) { unset($pre_out[options][ecoms][$label][ecom_data_meta_x]); }
271	joko	1.13	break;
272			// 2003-04-16: required for xmltree-to-item transition
273			// if we dont do this the "dotted" filter expression would persist across views
274			case "item":
275			if ($pre_out[options][ecoms][$label][ecom_data_filter]) { unset($pre_out[options][ecoms][$label][ecom_data_filter]); }
276	joko	1.16	break;
277			case "tree":
278			if ($pre_out[options][ecoms][$label][ecom_data_filter]) { unset($pre_out[options][ecoms][$label][ecom_data_filter]); }
279			if ($pre_out[options][ecoms][$label][ecom_data_meta]) { unset($pre_out[options][ecoms][$label][ecom_data_meta]); }
280	jonen	1.3	break;
281			}
282			$_out = $pre_out;
283	jonen	1.1	'),
284
285	joko	1.10	// reset machine
286			create_function('&$_in, &$_out', '
287			// HACK!!!
288			// FIXME: review and implement in a more clean way?
289			//print "RESET!<br/>";
290			$_out[options][ecoms][phase_startup] = "RESET";
291			'),
292
293	jonen	1.1	// rewrite idents
294			create_function('&$_in, &$_out', '
295	joko	1.17
296			// old version: ap == explorer
297	jonen	1.12	// map Topic to Page if exists
298	joko	1.17	//if ($_in[topic]) {
299			// $_in[ap] = $_in[topic];
300			//}
301			//$idents = array ( ap );
302			//foreach($idents as $key) {
303			// $_out[options][idents][$key] = $_in[$key];
304			//}
305
306			// 2003-06-26: switched from ap=explorer to t=DataBrowser
307			$_out[options][idents][t] = $_in[topic];
308
309	jonen	1.1	'),
310
311	jonen	1.18	// check right $_GET[ap] - depreciated
312			//create_function('&$_in, &$_out', 'return ($_in[ap] != "explorer") ? print "Wrong application value [ap]: $_in[ap], sure this is right here?<br>" : null;'),
313	jonen	1.1
314			// write components variables to out
315			create_function('&$_in, &$_out', '
316	joko	1.10	$vars = array(
317	joko	1.13	ecom_type, ecom_abstract_type, ecom_mode, ecom_data_locator_key,
318	jonen	1.15	ecom_data_ident, ecom_data_meta, ecom_data_filter, ecom_data_meta_x
319	joko	1.10	);
320			// ecom_call_method, ecom_call_args
321	jonen	1.1	if($_in[ecom_label]) {
322			foreach($vars as $key) {
323			if($_in[$key]) {
324	jonen	1.18	//print "var: " . $key . " value: " . $_in[$key] . "<br>";
325	jonen	1.1	$label = $_in[ecom_label];
326			$_out[options][ecoms][$label][$key] = $_in[$key];
327			}
328			}
329			}
330
331			return;
332			'),
333
334	joko	1.5	// create default ecoms (navigation, chooser [as of 2003-04-05] etc.)
335	jonen	1.1	create_function('&$_in, &$_out', '
336			if(!$_out[options][ecoms] \|\| !is_array($_out[options][ecoms])) {
337			$_out[options][ecoms] = array(
338			nav => array(
339			ecom_type => "nav",
340			ecom_abstract_type => "list",
341	jonen	1.7	ecom_mode => "link",
342	jonen	1.1	ecom_data_locator_key => "rpc",
343			),
344	joko	1.5	chooser => array(
345	jonen	1.7	ecom_type => "nav",
346	joko	1.5	ecom_abstract_type => "list",
347	jonen	1.7	ecom_mode => "link",
348	joko	1.5	ecom_data_locator_key => "rpc",
349			),
350	jonen	1.1	);
351			}
352			//$_out[options][components] = $_in[components];
353			return;
354			'),
355	jonen	1.9
356	jonen	1.14	// handle data form action(button)
357			create_function('&$_in, &$_out', '
358			if($_in[ap] == "Benutzerverwaltung" \|\| $_in[topic] == "Benutzerverwaltung") {
359			if(!$_out[options][ecoms][UMnav]) {
360			$_out[options][ecoms][UMnav] = array(
361			ecom_type => "nav",
362			ecom_abstract_type => "tree",
363			ecom_mode => "link",
364			ecom_data_locator_key => "rpc",
365			);
366			}
367			}
368			'),
369	jonen	1.9
370			// handle data form action(button)
371			create_function('&$_in, &$_out', '
372			$label = $_in[ecom_label];
373	jonen	1.15	if($_in[ecom_data_form_action]) {
374			//print "from action button pressed!<br>";
375			if(is_array($_in[ecom_data_form_checkbox])) {
376	jonen	1.9	$cnt = sizeof($_in[ecom_data_form_checkbox]);
377	jonen	1.15	$tmp = array();
378			foreach($_in[ecom_data_form_checkbox] as $ident) {
379			if($ident) { array_push($tmp, $ident); }
380			}
381	jonen	1.9	if($cnt == 1) {
382	jonen	1.18	print "Single selection, ident : " . $tmp[0] . "<br>";
383	jonen	1.15	$_out[options][ecoms][$label][ecom_data_ident] = $tmp[0];
384	jonen	1.18	$_out[options][ecoms][$label][ecom_abstract_type] = "item";
385	jonen	1.15	} elseif($cnt > 1) {
386	jonen	1.9	// TODO: implement multi-selection actions on rows(items) here!!
387	jonen	1.15	print "Multi-Selection!! Current Ident(s) $tmp" . "<br>";
388			$_out[options][ecoms][$label][ecom_data_ident] = $tmp;
389	jonen	1.19	$_out[options][ecoms][$label][ecom_abstract_type] = "item";
390	jonen	1.9	}
391	jonen	1.15	} else {
392			print "ident: " . Dumper($_out[options][ecoms][$label][ecom_data_ident]) . "<br>";
393			}
394	jonen	1.18	$_out[options][ecoms][$label][ecom_data_meta] = $_in[ecom_data_ident];
395	jonen	1.15	$_out[options][ecoms][$label][ecom_mode] = $_in[ecom_data_form_action];
396	jonen	1.18	//print "in: " . Dumper($_in) . "<br>";
397			//print "out: " . Dumper($_out) . "<br>";
398	jonen	1.9	}
399			'),
400
401	jonen	1.1
402	jonen	1.4	// handle data form buttons
403	jonen	1.3	create_function('&$_in, &$_out', '
404			$label = $_in[ecom_label];
405	jonen	1.18	if($_in[ecom_data_action_edit]) {
406			$_out[options][ecoms][$label][ecom_mode] = "edit";
407			$_out[options][ecoms][$label][ecom_abstract_type] = "item";
408			}
409			if($_in[ecom_data_action_cancel]) {
410			$_out[options][ecoms][$label][ecom_mode] = "view";
411			$_out[options][ecoms][$label][ecom_abstract_type] = "item";
412			}
413	jonen	1.15
414			// Action.Create
415			if($_in[ecom_data_action_create]) {
416	jonen	1.18	//print Dumper($_out[options][ecoms][$label]);
417	jonen	1.15	$_out[options][ecoms][$label][ecom_mode] = "create";
418	jonen	1.18	$_out[options][ecoms][$label][ecom_abstract_type] = "item";
419	jonen	1.15	}
420	joko	1.10
421			// Action.Delete [new of 2003-04-09]
422			if ($_in[ecom_data_action_delete]) {
423
424	joko	1.11	//$_out[options][ecoms][content][ecom_mode] = "view";
425
426	joko	1.10	// the code here vanished to the component itself!
427			// could/should we do this for "edit" and/or "view" actions as well?
428			// look at ecom/FlexibleDataItem!
429
430	jonen	1.18	$_out[options][ecoms][$label][ecom_abstract_type] = "item";
431	joko	1.10	}
432	jonen	1.3	'),
433	joko	1.5
434			// propagate datasources to ecoms
435			// datasource-change requested? enhance logic here!
436			// by now each ecom-component gets injected the very same
437			// datasource if requested - otherwise everything will fall back to defaults
438			create_function('&$_in, &$_out', '
439			if ($_in[ecom_data_source_key]) {
440	joko	1.8
441	joko	1.10	print "YAI: ecom_data_source_key<br/>";
442	joko	1.8
443	joko	1.5	//print Dumper($_out[options][ecoms]);
444			//print "ds: " . $_in[ecom_data_source_key] . "<br/>";
445			/*
446			foreach ($_out[options][ecoms] as $name => $ecom) {
447			print "name: $name<br/>";
448			//$_out[options][sources][selected] = $_in[ecom_data_source];
449			$_out[options][ecoms][$name][ecom_data_source_key] = $_in[ecom_data_source_key];
450			}
451			*/
452			$_out[options][main][ecom_data_source_key] = $_in[ecom_data_source_key];
453	joko	1.8
454
455			// 2003-04-07 - enhanced
456			// now activates a special ecom-component - a "RemoteAction" - replacing
457			// the "content"-ecom instead of displaying an empty page / overriding any
458			// view reached by "normal dispatching"
459
460			$_out[options][ecoms][phase_startup] = array(
461			ecom_type => "call",
462			ecom_abstract_type => "auto",
463			ecom_mode => "link",
464			ecom_data_locator_key => "rpc",
465			// new attributes/properties/arguments that control further / trigger different DataFlow:
466	joko	1.10	// FIXME: add these to declaration at top!
467	joko	1.8	ecom_call_method => "selectSource",
468			ecom_call_args => $_in[ecom_data_source_key]
469			);
470
471	joko	1.5	}
472			'),
473
474	jonen	1.4
475	jonen	1.1	/*
476			// translate value of argument "action" (olist => list.view, oedit => item.edit)
477			// action dispatcher
478			create_function('&$_in, &$_out', '
479			$_out = $_in;
480			switch ($_out[action]) {
481			case "olist":
482			$_out[action] = "list.view";
483			break;
484			case "oedit":
485			$_out[action] = "item.edit";
486			break;
487			case "":
488			print "ExplorerController: selecting default action \"list.view\" in rule #2.<br/>";
489			$_out[options][action] = "list.view";
490			return;
491			break;
492			}
493			//return "last";
494			'),
495
496
497			// dummy rule - just returns
498			create_function('&$_in, &$_out', '
499			return;
500			if ($_in[topic] == "DataBrowser.item.edit" \|\| $_in[page] == "oedit") {
501			$_out[view] = "Page::DataBrowser";
502			$_out[options] = array( caption_context => "Item - [edit]", args => array(HTML, "UB_ITEM"));
503			}
504			'),
505			*/
506
507
508			// tracing-rule - dumps $_in and $_out
509			/*
510			create_function('&$_in, &$_out', '
511			print "I am here: AnyMVC<br/>";
512			print "in: " . Dumper($_in);
513			print "out: " . Dumper($_out);
514			//exit;
515			return;
516			'),
517			*/
518			),
519			));
520
521			}
522
523
524			}
525
526			?>
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