/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Generic.php
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revision 1.18 by joko, Fri Apr 11 00:55:49 2003 UTC revision 1.28 by jonen, Thu Oct 7 14:11:28 2004 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 1.28  2004/10/07 14:11:28  jonen
18     * + added HACK related to DataList-filters which are mapped to backend now (page-control!)
19     *
20     * Revision 1.27  2004/06/15 12:50:48  joko
21     * disabled caching in "datasource_handler_call"
22     *
23     * Revision 1.26  2003/12/14 01:53:42  jonen
24     * implemented 'SELECT' mode for selecting existing object-refereneces as child-nodes
25     *
26     * Revision 1.25  2003/11/17 18:01:03  jonen
27     * bugfix: php cannot use perl-syntax!! ;-)
28     *
29     * Revision 1.23  2003/07/14 10:02:32  jonen
30     * removed debug dumper
31     *
32     * Revision 1.22  2003/06/06 04:25:45  joko
33     * fix: query args get encapsulated once more
34     *
35     * Revision 1.21  2003/05/10 18:14:50  jonen
36     * + implements 'create' of item (query mapping part)
37     *
38     * Revision 1.20  2003/04/19 16:07:15  jonen
39     * + added '_query[list_meta]' at 'queryData' needed for meta query args
40     *    (e.g. at UserManagment)
41     *
42     * Revision 1.19  2003/04/18 15:40:51  joko
43     * NEW: tree data handling
44     *   introduced new adapter: DataSource::Adapter::Free
45     *   enhanced datasource_handler_buildoptions: now handles a) case 'tree'  b) _query[filter]
46     *
47   * Revision 1.18  2003/04/11 00:55:49  joko   * Revision 1.18  2003/04/11 00:55:49  joko
48   * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'   * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'
49   *   *
# Line 97  Line 126 
126   *   *
127   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
128   * + initial commit   * + initial commit
  * </pre>  
129   *   *
130   */   */
131    
# Line 416  class DataSource_Generic extends DesignP Line 444  class DataSource_Generic extends DesignP
444                  */                  */
445                                    
446        //$this->set_locator( $locator );        //$this->set_locator( $locator );
447          //print "query: " . Dumper($query) . "<br>";
448        $this->set_query( $query );        $this->set_query( $query );
449    
450    
# Line 493  class DataSource_Generic extends DesignP Line 522  class DataSource_Generic extends DesignP
522          // ... resolves this._modules.adapter._id to this._modules.adapter._module          // ... resolves this._modules.adapter._id to this._modules.adapter._module
523                    
524          switch ($locator->_adapter_type) {          switch ($locator->_adapter_type) {
525    
526            case 'phpHtmlLib':            case 'phpHtmlLib':
527              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
   
528              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
529                            
530              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
531              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
532              // Exporter::export_symbol(from, to)              // Exporter::export_symbol(from, to)
533              $this->set_adapter_options($this);              $this->set_adapter_options($this);
534                break;
535    
536              // NEW [2003-04-17]: Freedom for the adapter!
537              // phpHtmlLib didn't have a tree widget, but PEAR does.
538              // So: Free us from the phpHtmlLib-adapter in this case.
539              case 'free':
540                $this->set_adapter_module('DataSource::Adapter::Free');
541                $this->set_adapter_options($this);
542              break;              break;
543    
544            default:            default:
545              user_error("DataSource::Generic: no Adapter could be selected!");              user_error("DataSource::Generic: no Adapter could be selected: \$locator->_adapter_type='$locator->_adapter_type'");
546              break;              break;
547          }          }
548    
# Line 669  class DataSource_Generic extends DesignP Line 705  class DataSource_Generic extends DesignP
705                
706                
707        //$this->set_component_name( $proxy_name );        //$this->set_component_name( $proxy_name );
708        $this->set_component_options( $cache_key, array( key => 1, command => $command, query => $query, remote => 1, rpcinfo => $rpcinfo, cache => array( db => 0, session => 1 ) ) );        $this->set_component_options( $cache_key, array( key => 1, command => $command, query => $query, remote => 1, rpcinfo => $rpcinfo, cache => array( db => 0, session => 0 ) ) );
709        //print Dumper($this);        //print Dumper($this);
710        //exit;        //exit;
711                
# Line 718  class DataSource_Generic extends DesignP Line 754  class DataSource_Generic extends DesignP
754              }              }
755   */   */
756              $query_args = array();              $query_args = array();
757                
758                 $msg_prefix = "DataSource::Generic::datasource_handler_buildoptions failed: ";
759               switch ($this->_query[abstract_type]) {               switch ($this->_query[abstract_type]) {
760                  case 'item':
761                    if (!$this->_query[nodename] && $this->_query[action] != 'create') {
762                      $msg = "_query[vartype] == 'objects' requires _query[nodename]";
763                      user_error($msg_prefix . $msg);
764                    } elseif($this->_query[action] == 'create' && $this->_query[parent]) {
765                      if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
766                      if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
767                      $query_args[nodename] = $this->_query[ident];
768                      $query_args[parent][guid] = $this->_query[parent][guid];
769                      $query_args[parent][nodename] = $this->_query[parent][nodename];
770                    } elseif($this->_query[parent]) {
771                      $query_args[guid] = $this->_query[ident];
772                      $query_args[nodename] = $this->_query[nodename];
773                      $query_args[parent][guid] = $this->_query[parent][guid];
774                      $query_args[parent][nodename] = $this->_query[parent][nodename];
775                    } else {
776                      $query_args[guid] = $this->_query[ident];
777                      $query_args[nodename] = $this->_query[nodename];
778                      // 2003-11-17 NEW: use expand flag for real obj expand at backend
779                      if ($this->_query[expand]) {$query_args[expand] = 1; }
780                    }
781                    //print "generic_source->debug: args " . Dumper($query_args) . "<br>";
782                    break;
783                case 'list':                case 'list':
784                  if (!$this->_query[nodename]) {                  if (!$this->_query[nodename]) {
785                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
786                    user_error("DataSource::Generic: query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
787                    } elseif($this->_query[parent]) {
788                      //if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
789                      //if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
790                      //$query_args[nodename] = $this->_query[ident];
791                      $query_args[parent][guid] = $this->_query[parent][guid];
792                      $query_args[parent][nodename] = $this->_query[parent][nodename];
793                  }                  }
794                  //array_push($query_args, $this->_query[nodename]);                  //array_push($query_args, $this->_query[nodename]);
795                  $query_args[nodename] = $this->_query[nodename];                  $query_args[nodename] = $this->_query[nodename];
796                    if($this->_query[list_meta]) { $query_args[list_meta] = $this->_query[list_meta]; }
797                  break;                  break;
798                case 'item':                case 'tree':
799                    /*
800                  if (!$this->_query[nodename]) {                  if (!$this->_query[nodename]) {
801                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
802                    user_error("DataSource::Generic: query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
803                  }                  }
804                    */
805                  $query_args[guid] = $this->_query[ident];                  $query_args[guid] = $this->_query[ident];
806                  $query_args[nodename] = $this->_query[nodename];                  //$query_args[nodename] = $this->_query[nodename];
807                  break;                                break;
808                  default:
809                    $msg = "\$this->_query[abstract_type] could not be dispatched as 'item', 'list' or 'tree'.";
810                    user_error($msg_prefix . $msg);
811                    break;
812                }
813                
814                // filter???
815                //print "Filter: " . Dumper($this->_query[filter]) . "<br>";
816                if ($this->_query[filter]) {
817                  $query_args[filter] = $this->_query[filter];
818              }              }
819                            
820              // dispatch action              // dispatch action
821                //print "Action: " . $this->_query[action] . "<br>";
822              if ($this->_query[action] == 'write') {              if ($this->_query[action] == 'write') {
823               $query_args[action] = $this->_query[action];               $query_args[action] = $this->_query[action];
824               $query_args[data] = $this->_query[data];               $query_args[data] = $this->_query[data];
825              } elseif ($this->_query[action] == 'delete') {              } elseif ($this->_query[action] == 'delete') {
826               $query_args[action] = $this->_query[action];               $query_args[action] = $this->_query[action];
827                } elseif ($this->_query[action] == 'create') {
828                   $query_args[action] = $this->_query[action];
829                } elseif ($this->_query[action] == 'select') {
830                   $query_args[action] = $this->_query[action];
831              }              }
832                
833              $args = array(              $args = array(
834                            'data_type' => $this->_query[abstract_type],                            'data_type' => $this->_query[abstract_type],
835                            'query_args' => $query_args                            'query_args' => $query_args
# Line 760  class DataSource_Generic extends DesignP Line 846  class DataSource_Generic extends DesignP
846            // remoteMethod            // remoteMethod
847            case 'method':            case 'method':
848              $command = $this->_query[method];              $command = $this->_query[method];
849              $args = $this->_query[args];              //$args = $this->_query[args];
850                // FIX
851                $args = array( $this->_query[args] );
852              break;              break;
853    
854          }          }
# Line 769  class DataSource_Generic extends DesignP Line 857  class DataSource_Generic extends DesignP
857          // FIXME: bad behaviour?          // FIXME: bad behaviour?
858          if (!is_array($args)) { $args = array( $args ); }          if (!is_array($args)) { $args = array( $args ); }
859                    
860            //print Dumper($args);
861            
862          /*          /*
863          $this->_query[rpc_command] = $command;          $this->_query[rpc_command] = $command;
864          $this->_query[rpc_args] = $command;          $this->_query[rpc_args] = $command;
# Line 803  class DataSource_Generic extends DesignP Line 893  class DataSource_Generic extends DesignP
893    
894    
895          function &fetch_result() {          function &fetch_result() {
896    
897          //print Dumper($this);
898                
899        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
900    
901        $call = $this->_locator->get_call();        $call = $this->_locator->get_call();
902    
903        //print Dumper($call);        //print Dumper($call);
904          //return;
905    
906        // pre-flight checks        // pre-flight checks
907          if (!$call[method]) {          if (!$call[method]) {
# Line 825  class DataSource_Generic extends DesignP Line 919  class DataSource_Generic extends DesignP
919                    
920          // TODO: ... = $this->poll_handler_result  and  $this->get_handler_result          // TODO: ... = $this->poll_handler_result  and  $this->get_handler_result
921          $proxy = $this->get_proxy();          $proxy = $this->get_proxy();
922          $this->_result = $proxy->getResult();            //HACK 2004-10-07: page-filter done by backend now,
923              //                 before offset values filled with empty arrays
924            //$this->_result = $proxy->getResult();
925            $result = $proxy->getResult();
926            if($result['total_rows']) {
927              // debug
928              //print "result: " . Dumper($result);
929              $this->_result_count = $result['total_rows'];
930              if($result[offset]) {
931                $result_new = array();
932                for($i=0;$i<$result[offset];$i++) {
933                  array_push($result_new, array());
934                }
935                foreach($result['payload'] as $key => $value) {
936                  array_push($result_new, $value);
937                }
938                $this->_result = $result_new;
939              } else {
940                $this->_result = $result['payload'];
941              }
942            } else {
943              $this->_result = $result;
944              $this->_result_count = sizeof($this->_result);
945            }
946            //print "result: " . Dumper($this->_result);
947          //print "result: " . Dumper($this->_result); exit;          //print "result: " . Dumper($this->_result); exit;
948    
         $this->_result_count = sizeof($this->_result);  
949    
950        // trace        // trace
951          //if (constants::get('VERBOSE') && $this->_debug[notice]) {          //if (constants::get('VERBOSE') && $this->_debug[notice]) {
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