/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Generic.php
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revision 1.14 by joko, Fri Apr 4 21:19:21 2003 UTC revision 1.22 by joko, Fri Jun 6 04:25:45 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 1.22  2003/06/06 04:25:45  joko
18     * fix: query args get encapsulated once more
19     *
20     * Revision 1.21  2003/05/10 18:14:50  jonen
21     * + implements 'create' of item (query mapping part)
22     *
23     * Revision 1.20  2003/04/19 16:07:15  jonen
24     * + added '_query[list_meta]' at 'queryData' needed for meta query args
25     *    (e.g. at UserManagment)
26     *
27     * Revision 1.19  2003/04/18 15:40:51  joko
28     * NEW: tree data handling
29     *   introduced new adapter: DataSource::Adapter::Free
30     *   enhanced datasource_handler_buildoptions: now handles a) case 'tree'  b) _query[filter]
31     *
32     * Revision 1.18  2003/04/11 00:55:49  joko
33     * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'
34     *
35     * Revision 1.17  2003/04/09 02:07:33  joko
36     * CHANGE: renamed key 'classname' through 'nodename'
37     *
38     * Revision 1.16  2003/04/08 17:55:20  joko
39     * CHANGE: renamed property 'datasource' to 'transport'
40     * NEW: new case 'method' in 'function datasource_handler_buildoptions'
41     * minor fixes: updated logging/debugging messages
42     *
43     * Revision 1.15  2003/04/06 04:46:33  joko
44     * renamed linking function
45     * mozilla fixes
46     *
47   * Revision 1.14  2003/04/04 21:19:21  joko   * Revision 1.14  2003/04/04 21:19:21  joko
48   * modified exception handling (enhanced, purged redundant code)   * modified exception handling (enhanced, purged redundant code)
49   *   *
# Line 82  Line 111 
111   *   *
112   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
113   * + initial commit   * + initial commit
  * </pre>  
114   *   *
115   */   */
116    
# Line 279  class DataSource_Generic extends DesignP Line 307  class DataSource_Generic extends DesignP
307      * other presets.      * other presets.
308      *      *
309      * See '_buildLocator' which acts as a dispatcher      * See '_buildLocator' which acts as a dispatcher
310      * depending on $_options[datasource].      * depending on $_options[transport].
311      * (main dispatching level)      * (main dispatching level)
312      *      *
313      * The structure of a full blown locator looks like this:      * The structure of a full blown locator looks like this:
# Line 368  class DataSource_Generic extends DesignP Line 396  class DataSource_Generic extends DesignP
396          function DataSource_Generic( &$locator, $query ) {          function DataSource_Generic( &$locator, $query ) {
397    
398                  // copy parameter from query to locator                  // copy parameter from query to locator
399                  //$this->_locator->merge_to($this->_locator, array( datasource_type => $query[datasource] ), '_');                  //$this->_locator->merge_to($this->_locator, array( datasource_type => $query[transport] ), '_');
400                  //$this->_locator->_datasource_type = $query[datasource];                  //$this->_locator->_datasource_type = $query[transport];
401                  //$locator[_datasource_type] = $query[datasource];                  //$locator[_datasource_type] = $query[transport];
402                                    
403        /**        /**
404         * <!-- Autodia -->         * <!-- Autodia -->
# Line 380  class DataSource_Generic extends DesignP Line 408  class DataSource_Generic extends DesignP
408         */         */
409    
410                  // build master locator                  // build master locator
411                  $this->_locator = php::mkComponent('DataSource::Locator', $locator, array( datasource_type => $query[datasource] ) );                  $this->_locator = php::mkComponent('DataSource::Locator', $locator, array( datasource_type => $query[transport] ) );
412                  //exit;                  //exit;
413                  //$this->_locator = php::mkComponent('DataSource::Locator');                  //$this->_locator = php::mkComponent('DataSource::Locator');
414                                    
# Line 417  class DataSource_Generic extends DesignP Line 445  class DataSource_Generic extends DesignP
445      // pre-flight: check locator metadata      // pre-flight: check locator metadata
446        //$locator->build();        //$locator->build();
447        if (!$this->_locator->check()) {        if (!$this->_locator->check()) {
448          user_error("locator-check failed.");          user_error("DataSource::Generic: locator-check failed." . "<br/>" . "Locator was: " . Dumper($this->_locator) );
449          exit;          //exit;
450           //return;           return;
451        }        }
452    
453  //exit;  //exit;
# Line 478  class DataSource_Generic extends DesignP Line 506  class DataSource_Generic extends DesignP
506          // ... resolves this._modules.adapter._id to this._modules.adapter._module          // ... resolves this._modules.adapter._id to this._modules.adapter._module
507                    
508          switch ($locator->_adapter_type) {          switch ($locator->_adapter_type) {
509    
510            case 'phpHtmlLib':            case 'phpHtmlLib':
511              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
   
512              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
513                            
514              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
515              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
516              // Exporter::export_symbol(from, to)              // Exporter::export_symbol(from, to)
517              $this->set_adapter_options($this);              $this->set_adapter_options($this);
518                break;
519    
520              // NEW [2003-04-17]: Freedom for the adapter!
521              // phpHtmlLib didn't have a tree widget, but PEAR does.
522              // So: Free us from the phpHtmlLib-adapter in this case.
523              case 'free':
524                $this->set_adapter_module('DataSource::Adapter::Free');
525                $this->set_adapter_options($this);
526              break;              break;
527    
528            default:            default:
529              user_error("DataSource::GenericDataSource: no Adapter could be selected!");              user_error("DataSource::Generic: no Adapter could be selected: \$locator->_adapter_type='$locator->_adapter_type'");
530              break;              break;
531          }          }
532    
# Line 696  class DataSource_Generic extends DesignP Line 731  class DataSource_Generic extends DesignP
731                case 'objects':                case 'objects':
732                  if (!$this->_query[classname]) {                  if (!$this->_query[classname]) {
733                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[classname]";
734                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error("DataSource::Generic: query_data() - failed: " . $msg);
735                  }                  }
736                  array_push($args, $this->_query[classname]);                  array_push($args, $this->_query[classname]);
737                  break;                  break;
738              }              }
739   */   */
740              $query_args = array();              $query_args = array();
741                
742                 $msg_prefix = "DataSource::Generic::datasource_handler_buildoptions failed: ";
743               switch ($this->_query[abstract_type]) {               switch ($this->_query[abstract_type]) {
744                  case 'item':
745                    if (!$this->_query[nodename] && $this->_query[action] != 'create') {
746                      $msg = "_query[vartype] == 'objects' requires _query[nodename]";
747                      user_error($msg_prefix . $msg);
748                    } elseif($this->_query[action] == 'create' && $this->_query[parent]) {
749                      if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
750                      if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
751                      $query_args[nodename] = $this->_query[ident];
752                      $query_args[parent][guid] = $this->_query[parent][guid];
753                      $query_args[parent][nodename] = $this->_query[parent][nodename];
754                    } else {
755                      $query_args[guid] = $this->_query[ident];
756                      $query_args[nodename] = $this->_query[nodename];
757                    }
758                    break;
759                case 'list':                case 'list':
760                  if (!$this->_query[classname]) {                  if (!$this->_query[nodename]) {
761                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
762                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
763                  }                  }
764                  //array_push($query_args, $this->_query[classname]);                  //array_push($query_args, $this->_query[nodename]);
765                  $query_args[classname] = $this->_query[classname];                  $query_args[nodename] = $this->_query[nodename];
766                    if($this->_query[list_meta]) { $query_args[list_meta] = $this->_query[list_meta]; }
767                  break;                  break;
768                case 'item':                case 'tree':
769                  if (!$this->_query[classname]) {                  /*
770                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                  if (!$this->_query[nodename]) {
771                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
772                      user_error($msg_prefix . $msg);
773                  }                  }
774                    */
775                  $query_args[guid] = $this->_query[ident];                  $query_args[guid] = $this->_query[ident];
776                  $query_args[classname] = $this->_query[classname];                  //$query_args[nodename] = $this->_query[nodename];
777                  break;                                break;
778                  default:
779                    $msg = "\$this->_query[abstract_type] could not be dispatched as 'item', 'list' or 'tree'.";
780                    user_error($msg_prefix . $msg);
781                    break;
782              }              }
783              if($this->_query[action] == 'write') {              
784                // filter???
785                print "Filter: " . Dumper($this->_query[filter]) . "<br>";
786                if ($this->_query[filter]) {
787                  $query_args[filter] = $this->_query[filter];
788                }
789                
790                // dispatch action
791                print "Action: " . $this->_query[action] . "<br>";
792                if ($this->_query[action] == 'write') {
793               $query_args[action] = $this->_query[action];               $query_args[action] = $this->_query[action];
794               $query_args[data] = $this->_query[data];               $query_args[data] = $this->_query[data];
795                } elseif ($this->_query[action] == 'delete') {
796                 $query_args[action] = $this->_query[action];
797                } elseif ($this->_query[action] == 'create') {
798                   $query_args[action] = $this->_query[action];
799              }              }
800                
801              $args = array(              $args = array(
802                            'data_type' => $this->_query[abstract_type],                            'data_type' => $this->_query[abstract_type],
803                            'query_args' => $query_args                            'query_args' => $query_args
# Line 737  class DataSource_Generic extends DesignP Line 810  class DataSource_Generic extends DesignP
810              $command = 'querySchema';              $command = 'querySchema';
811              $args = array( $this->_query[filter] );              $args = array( $this->_query[filter] );
812              break;              break;
813                
814              // remoteMethod
815              case 'method':
816                $command = $this->_query[method];
817                //$args = $this->_query[args];
818                // FIX
819                $args = array( $this->_query[args] );
820                break;
821    
822          }          }
823                
824          
825            // FIXME: bad behaviour?
826            if (!is_array($args)) { $args = array( $args ); }
827            
828            //print Dumper($args);
829                    
830          /*          /*
831          $this->_query[rpc_command] = $command;          $this->_query[rpc_command] = $command;
# Line 774  class DataSource_Generic extends DesignP Line 861  class DataSource_Generic extends DesignP
861    
862    
863          function &fetch_result() {          function &fetch_result() {
864    
865          //print Dumper($this);
866                
867        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
868    
869        $call = $this->_locator->get_call();        $call = $this->_locator->get_call();
870    
871        //print Dumper($call);        //print Dumper($call);
872          //return;
873    
874        // pre-flight checks        // pre-flight checks
875          if (!$call[method]) {          if (!$call[method]) {
876            $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.";
877                          user_error("GenericDataSource::query_data() - failed: " . $msg);                          user_error("DataSource::Generic: query_data() - failed: " . $msg);
878            return;            return;
879          }          }
880    
# Line 836  class DataSource_Generic extends DesignP Line 927  class DataSource_Generic extends DesignP
927      $locatorbox->add( Dumper($this->_locator) );      $locatorbox->add( Dumper($this->_locator) );
928            
929      // FIXME: ie/mozilla?      // FIXME: ie/mozilla?
930      //$locatorbox->set_style('visibility:false;');      //$locatorbox->set_style('display:none;');
931      $locatorbox->set_style('display:none;');      //$locatorbox->set_style('visibility:hidden;');
932        // already duplicate inside Tracer!!!
933        $locatorbox->set_style('visibility:hidden; position:absolute; z-index:1; margin-top:30px; padding:5px;');
934            
935      $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), jsAnchor( 'toggle_vis', array("locatorbox_$boxcount"), '[show]'), $locatorbox, html_br() );      $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), link::js_function( 'toggleVisibility', array("locatorbox_$boxcount"), '[show]'), $locatorbox, html_br() );
936      $call = $this->_locator->get_call();      $call = $this->_locator->get_call();
937      $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );      $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );
938      if (sizeof($call[args])) {      if (sizeof($call[args])) {
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