/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Generic.php
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revision 1.12 by joko, Sat Mar 29 08:00:48 2003 UTC revision 1.26 by jonen, Sun Dec 14 01:53:42 2003 UTC
# Line 9  Line 9 
9   */   */
10    
11  /**  /**
12   * <b>Cvs-Log:</b>   * Cvs-Log:
13   *   *
  * <pre>  
14   * $Id$   * $Id$
15   *   *
16   * $Log$   * $Log$
17     * Revision 1.26  2003/12/14 01:53:42  jonen
18     * implemented 'SELECT' mode for selecting existing object-refereneces as child-nodes
19     *
20     * Revision 1.25  2003/11/17 18:01:03  jonen
21     * bugfix: php cannot use perl-syntax!! ;-)
22     *
23     * Revision 1.23  2003/07/14 10:02:32  jonen
24     * removed debug dumper
25     *
26     * Revision 1.22  2003/06/06 04:25:45  joko
27     * fix: query args get encapsulated once more
28     *
29     * Revision 1.21  2003/05/10 18:14:50  jonen
30     * + implements 'create' of item (query mapping part)
31     *
32     * Revision 1.20  2003/04/19 16:07:15  jonen
33     * + added '_query[list_meta]' at 'queryData' needed for meta query args
34     *    (e.g. at UserManagment)
35     *
36     * Revision 1.19  2003/04/18 15:40:51  joko
37     * NEW: tree data handling
38     *   introduced new adapter: DataSource::Adapter::Free
39     *   enhanced datasource_handler_buildoptions: now handles a) case 'tree'  b) _query[filter]
40     *
41     * Revision 1.18  2003/04/11 00:55:49  joko
42     * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'
43     *
44     * Revision 1.17  2003/04/09 02:07:33  joko
45     * CHANGE: renamed key 'classname' through 'nodename'
46     *
47     * Revision 1.16  2003/04/08 17:55:20  joko
48     * CHANGE: renamed property 'datasource' to 'transport'
49     * NEW: new case 'method' in 'function datasource_handler_buildoptions'
50     * minor fixes: updated logging/debugging messages
51     *
52     * Revision 1.15  2003/04/06 04:46:33  joko
53     * renamed linking function
54     * mozilla fixes
55     *
56     * Revision 1.14  2003/04/04 21:19:21  joko
57     * modified exception handling (enhanced, purged redundant code)
58     *
59     * Revision 1.13  2003/04/04 02:37:14  jonen
60     * _query[action] == write
61     *
62   * Revision 1.12  2003/03/29 08:00:48  joko   * Revision 1.12  2003/03/29 08:00:48  joko
63   * modified ErrorBoxing   * modified ErrorBoxing
64   *   *
# Line 76  Line 120 
120   *   *
121   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
122   * + initial commit   * + initial commit
  * </pre>  
123   *   *
124   */   */
125    
# Line 273  class DataSource_Generic extends DesignP Line 316  class DataSource_Generic extends DesignP
316      * other presets.      * other presets.
317      *      *
318      * See '_buildLocator' which acts as a dispatcher      * See '_buildLocator' which acts as a dispatcher
319      * depending on $_options[datasource].      * depending on $_options[transport].
320      * (main dispatching level)      * (main dispatching level)
321      *      *
322      * The structure of a full blown locator looks like this:      * The structure of a full blown locator looks like this:
# Line 362  class DataSource_Generic extends DesignP Line 405  class DataSource_Generic extends DesignP
405          function DataSource_Generic( &$locator, $query ) {          function DataSource_Generic( &$locator, $query ) {
406    
407                  // copy parameter from query to locator                  // copy parameter from query to locator
408                  //$this->_locator->merge_to($this->_locator, array( datasource_type => $query[datasource] ), '_');                  //$this->_locator->merge_to($this->_locator, array( datasource_type => $query[transport] ), '_');
409                  //$this->_locator->_datasource_type = $query[datasource];                  //$this->_locator->_datasource_type = $query[transport];
410                  //$locator[_datasource_type] = $query[datasource];                  //$locator[_datasource_type] = $query[transport];
411                                    
412        /**        /**
413         * <!-- Autodia -->         * <!-- Autodia -->
# Line 374  class DataSource_Generic extends DesignP Line 417  class DataSource_Generic extends DesignP
417         */         */
418    
419                  // build master locator                  // build master locator
420                  $this->_locator = php::mkComponent('DataSource::Locator', $locator, array( datasource_type => $query[datasource] ) );                  $this->_locator = php::mkComponent('DataSource::Locator', $locator, array( datasource_type => $query[transport] ) );
421                  //exit;                  //exit;
422                  //$this->_locator = php::mkComponent('DataSource::Locator');                  //$this->_locator = php::mkComponent('DataSource::Locator');
423                                    
# Line 411  class DataSource_Generic extends DesignP Line 454  class DataSource_Generic extends DesignP
454      // pre-flight: check locator metadata      // pre-flight: check locator metadata
455        //$locator->build();        //$locator->build();
456        if (!$this->_locator->check()) {        if (!$this->_locator->check()) {
457          user_error("locator-check failed.");          user_error("DataSource::Generic: locator-check failed." . "<br/>" . "Locator was: " . Dumper($this->_locator) );
458          exit;          //exit;
459           //return;           return;
460        }        }
461    
462  //exit;  //exit;
# Line 472  class DataSource_Generic extends DesignP Line 515  class DataSource_Generic extends DesignP
515          // ... resolves this._modules.adapter._id to this._modules.adapter._module          // ... resolves this._modules.adapter._id to this._modules.adapter._module
516                    
517          switch ($locator->_adapter_type) {          switch ($locator->_adapter_type) {
518    
519            case 'phpHtmlLib':            case 'phpHtmlLib':
520              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
   
521              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
522                            
523              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
524              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
525              // Exporter::export_symbol(from, to)              // Exporter::export_symbol(from, to)
526              $this->set_adapter_options($this);              $this->set_adapter_options($this);
527                break;
528    
529              // NEW [2003-04-17]: Freedom for the adapter!
530              // phpHtmlLib didn't have a tree widget, but PEAR does.
531              // So: Free us from the phpHtmlLib-adapter in this case.
532              case 'free':
533                $this->set_adapter_module('DataSource::Adapter::Free');
534                $this->set_adapter_options($this);
535              break;              break;
536    
537            default:            default:
538              user_error("DataSource::GenericDataSource: no Adapter could be selected!");              user_error("DataSource::Generic: no Adapter could be selected: \$locator->_adapter_type='$locator->_adapter_type'");
539              break;              break;
540          }          }
541    
# Line 681  class DataSource_Generic extends DesignP Line 731  class DataSource_Generic extends DesignP
731          switch ($this->_query[metatype]) {          switch ($this->_query[metatype]) {
732            case 'data':            case 'data':
733              $command = 'queryData';              $command = 'queryData';
734                
735              //$command = 'getObjects';   // FIXME!!!              //$command = 'getObjects';   // FIXME!!!
736              //$this->_locator->set_option('metadata.command', $command);              //$this->_locator->set_option('metadata.command', $command);
737  /*  /*
# Line 689  class DataSource_Generic extends DesignP Line 740  class DataSource_Generic extends DesignP
740                case 'objects':                case 'objects':
741                  if (!$this->_query[classname]) {                  if (!$this->_query[classname]) {
742                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[classname]";
743                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error("DataSource::Generic: query_data() - failed: " . $msg);
744                  }                  }
745                  array_push($args, $this->_query[classname]);                  array_push($args, $this->_query[classname]);
746                  break;                  break;
747              }              }
748   */   */
749              $query_args = array();              $query_args = array();
750                
751                 $msg_prefix = "DataSource::Generic::datasource_handler_buildoptions failed: ";
752               switch ($this->_query[abstract_type]) {               switch ($this->_query[abstract_type]) {
753                  case 'item':
754                    if (!$this->_query[nodename] && $this->_query[action] != 'create') {
755                      $msg = "_query[vartype] == 'objects' requires _query[nodename]";
756                      user_error($msg_prefix . $msg);
757                    } elseif($this->_query[action] == 'create' && $this->_query[parent]) {
758                      if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
759                      if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
760                      $query_args[nodename] = $this->_query[ident];
761                      $query_args[parent][guid] = $this->_query[parent][guid];
762                      $query_args[parent][nodename] = $this->_query[parent][nodename];
763                    } elseif($this->_query[parent]) {
764                      $query_args[guid] = $this->_query[ident];
765                      $query_args[nodename] = $this->_query[nodename];
766                      $query_args[parent][guid] = $this->_query[parent][guid];
767                      $query_args[parent][nodename] = $this->_query[parent][nodename];
768                    } else {
769                      $query_args[guid] = $this->_query[ident];
770                      $query_args[nodename] = $this->_query[nodename];
771                      // 2003-11-17 NEW: use expand flag for real obj expand at backend
772                      if ($this->_query[expand]) {$query_args[expand] = 1; }
773                    }
774                    //print "generic_source->debug: args " . Dumper($query_args) . "<br>";
775                    break;
776                case 'list':                case 'list':
777                  if (!$this->_query[classname]) {                  if (!$this->_query[nodename]) {
778                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
779                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
780                    } elseif($this->_query[parent]) {
781                      //if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
782                      //if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
783                      //$query_args[nodename] = $this->_query[ident];
784                      $query_args[parent][guid] = $this->_query[parent][guid];
785                      $query_args[parent][nodename] = $this->_query[parent][nodename];
786                  }                  }
787                  //array_push($query_args, $this->_query[classname]);                  //array_push($query_args, $this->_query[nodename]);
788                  $query_args[classname] = $this->_query[classname];                  $query_args[nodename] = $this->_query[nodename];
789                    if($this->_query[list_meta]) { $query_args[list_meta] = $this->_query[list_meta]; }
790                  break;                  break;
791                case 'item':                case 'tree':
792                  if (!$this->_query[classname]) {                  /*
793                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                  if (!$this->_query[nodename]) {
794                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
795                      user_error($msg_prefix . $msg);
796                  }                  }
797                    */
798                  $query_args[guid] = $this->_query[ident];                  $query_args[guid] = $this->_query[ident];
799                  $query_args[classname] = $this->_query[classname];                  //$query_args[nodename] = $this->_query[nodename];
800                  break;                                break;
801                  default:
802                    $msg = "\$this->_query[abstract_type] could not be dispatched as 'item', 'list' or 'tree'.";
803                    user_error($msg_prefix . $msg);
804                    break;
805                }
806                
807                // filter???
808                //print "Filter: " . Dumper($this->_query[filter]) . "<br>";
809                if ($this->_query[filter]) {
810                  $query_args[filter] = $this->_query[filter];
811              }              }
812                
813                // dispatch action
814                //print "Action: " . $this->_query[action] . "<br>";
815                if ($this->_query[action] == 'write') {
816                 $query_args[action] = $this->_query[action];
817                 $query_args[data] = $this->_query[data];
818                } elseif ($this->_query[action] == 'delete') {
819                 $query_args[action] = $this->_query[action];
820                } elseif ($this->_query[action] == 'create') {
821                   $query_args[action] = $this->_query[action];
822                } elseif ($this->_query[action] == 'select') {
823                   $query_args[action] = $this->_query[action];
824                }
825                
826              $args = array(              $args = array(
827                            'data_type' => $this->_query[abstract_type],                            'data_type' => $this->_query[abstract_type],
828                            'query_args' => $query_args                            'query_args' => $query_args
# Line 724  class DataSource_Generic extends DesignP Line 833  class DataSource_Generic extends DesignP
833            case 'schema':            case 'schema':
834              //print "Testing schema:" . "<br>";              //print "Testing schema:" . "<br>";
835              $command = 'querySchema';              $command = 'querySchema';
836                $args = array( $this->_query[filter] );
837              break;              break;
838                
839              // remoteMethod
840              case 'method':
841                $command = $this->_query[method];
842                //$args = $this->_query[args];
843                // FIX
844                $args = array( $this->_query[args] );
845                break;
846    
847          }          }
848                
849          
850            // FIXME: bad behaviour?
851            if (!is_array($args)) { $args = array( $args ); }
852            
853            //print Dumper($args);
854                    
855          /*          /*
856          $this->_query[rpc_command] = $command;          $this->_query[rpc_command] = $command;
# Line 762  class DataSource_Generic extends DesignP Line 886  class DataSource_Generic extends DesignP
886    
887    
888          function &fetch_result() {          function &fetch_result() {
889    
890          //print Dumper($this);
891                
892        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
893    
894        $call = $this->_locator->get_call();        $call = $this->_locator->get_call();
895    
896        //print Dumper($call);        //print Dumper($call);
897          //return;
898    
899        // pre-flight checks        // pre-flight checks
900          if (!$call[method]) {          if (!$call[method]) {
901            $msg = "Remote method is empty, please pass in proper metadata or check configuration.";            $msg = "Remote method is empty, please pass in proper metadata or check configuration.";
902                          user_error("GenericDataSource::query_data() - failed: " . $msg);                          user_error("DataSource::Generic: query_data() - failed: " . $msg);
903            return;            return;
904          }          }
905    
# Line 809  class DataSource_Generic extends DesignP Line 937  class DataSource_Generic extends DesignP
937    
938      $box = container();      $box = container();
939    
     // box client code (javascript)  
     $code_js = "  
     <script language=\"javascript\">  
     function toggle_vis(id) {  
       elem = eval('document.all.' + id);  
       status = elem.style.getAttribute('display');  
       if (status == 'none') {  
         elem.style.setAttribute('display', 'block');  
       } else {  
         elem.style.setAttribute('display', 'none');  
       }  
     }  
     </script>  
     ";  
     //$script = html_script($code_js);  
     //print $script->render();  
     $box->add( $code_js );  
       
940      // box style      // box style
941      $style = container(      $style = container(
942        html_style("text/css", '.boxlabel_darkgreen { color: darkgreen; font-weight:bold; }'),        html_style("text/css", '.boxlabel_darkgreen { color: darkgreen; font-weight:bold; }'),
# Line 840  class DataSource_Generic extends DesignP Line 950  class DataSource_Generic extends DesignP
950      $locatorbox = html_div('box_dsg');      $locatorbox = html_div('box_dsg');
951      $locatorbox->set_id("locatorbox_$boxcount");      $locatorbox->set_id("locatorbox_$boxcount");
952      $locatorbox->add( Dumper($this->_locator) );      $locatorbox->add( Dumper($this->_locator) );
     //$locatorbox->set_style('visibility:false;');  
     $locatorbox->set_style('display:none;');  
953            
954      $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), html_a("javascript:toggle_vis('locatorbox_$boxcount');", '[show]'), $locatorbox, html_br() );      // FIXME: ie/mozilla?
955        //$locatorbox->set_style('display:none;');
956        //$locatorbox->set_style('visibility:hidden;');
957        // already duplicate inside Tracer!!!
958        $locatorbox->set_style('visibility:hidden; position:absolute; z-index:1; margin-top:30px; padding:5px;');
959        
960        $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), link::js_function( 'toggleVisibility', array("locatorbox_$boxcount"), '[show]'), $locatorbox, html_br() );
961      $call = $this->_locator->get_call();      $call = $this->_locator->get_call();
962      $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );      $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );
963      if (sizeof($call[args])) {      if (sizeof($call[args])) {
# Line 852  class DataSource_Generic extends DesignP Line 966  class DataSource_Generic extends DesignP
966      $statusbox->add( html_span('boxlabel_darkgreen', "Count:"), $this->get_result_count(), html_br() );      $statusbox->add( html_span('boxlabel_darkgreen', "Count:"), $this->get_result_count(), html_br() );
967      $box->add( $statusbox );      $box->add( $statusbox );
968    
969      print $box->render();      //print $box->render();
970        trace( $box );
971    
972    }    }
973    
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