/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Generic.php
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revision 1.16 by joko, Tue Apr 8 17:55:20 2003 UTC revision 1.21 by jonen, Sat May 10 18:14:50 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 1.21  2003/05/10 18:14:50  jonen
18     * + implements 'create' of item (query mapping part)
19     *
20     * Revision 1.20  2003/04/19 16:07:15  jonen
21     * + added '_query[list_meta]' at 'queryData' needed for meta query args
22     *    (e.g. at UserManagment)
23     *
24     * Revision 1.19  2003/04/18 15:40:51  joko
25     * NEW: tree data handling
26     *   introduced new adapter: DataSource::Adapter::Free
27     *   enhanced datasource_handler_buildoptions: now handles a) case 'tree'  b) _query[filter]
28     *
29     * Revision 1.18  2003/04/11 00:55:49  joko
30     * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'
31     *
32     * Revision 1.17  2003/04/09 02:07:33  joko
33     * CHANGE: renamed key 'classname' through 'nodename'
34     *
35   * Revision 1.16  2003/04/08 17:55:20  joko   * Revision 1.16  2003/04/08 17:55:20  joko
36   * CHANGE: renamed property 'datasource' to 'transport'   * CHANGE: renamed property 'datasource' to 'transport'
37   * NEW: new case 'method' in 'function datasource_handler_buildoptions'   * NEW: new case 'method' in 'function datasource_handler_buildoptions'
# Line 91  Line 108 
108   *   *
109   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
110   * + initial commit   * + initial commit
  * </pre>  
111   *   *
112   */   */
113    
# Line 487  class DataSource_Generic extends DesignP Line 503  class DataSource_Generic extends DesignP
503          // ... resolves this._modules.adapter._id to this._modules.adapter._module          // ... resolves this._modules.adapter._id to this._modules.adapter._module
504                    
505          switch ($locator->_adapter_type) {          switch ($locator->_adapter_type) {
506    
507            case 'phpHtmlLib':            case 'phpHtmlLib':
508              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
   
509              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
510                            
511              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
512              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
513              // Exporter::export_symbol(from, to)              // Exporter::export_symbol(from, to)
514              $this->set_adapter_options($this);              $this->set_adapter_options($this);
515                break;
516    
517              // NEW [2003-04-17]: Freedom for the adapter!
518              // phpHtmlLib didn't have a tree widget, but PEAR does.
519              // So: Free us from the phpHtmlLib-adapter in this case.
520              case 'free':
521                $this->set_adapter_module('DataSource::Adapter::Free');
522                $this->set_adapter_options($this);
523              break;              break;
524    
525            default:            default:
526              user_error("DataSource::Generic: no Adapter could be selected!");              user_error("DataSource::Generic: no Adapter could be selected: \$locator->_adapter_type='$locator->_adapter_type'");
527              break;              break;
528          }          }
529    
# Line 712  class DataSource_Generic extends DesignP Line 735  class DataSource_Generic extends DesignP
735              }              }
736   */   */
737              $query_args = array();              $query_args = array();
738                
739                 $msg_prefix = "DataSource::Generic::datasource_handler_buildoptions failed: ";
740               switch ($this->_query[abstract_type]) {               switch ($this->_query[abstract_type]) {
741                  case 'item':
742                    if (!$this->_query[nodename] && $this->_query[action] != 'create') {
743                      $msg = "_query[vartype] == 'objects' requires _query[nodename]";
744                      user_error($msg_prefix . $msg);
745                    } elseif($this->_query[action] == 'create' && $this->_query[parent]) {
746                      if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
747                      if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
748                      $query_args[nodename] = $this->_query[ident];
749                      $query_args[parent][guid] = $this->_query[parent][guid];
750                      $query_args[parent][nodename] = $this->_query[parent][nodename];
751                    } else {
752                      $query_args[guid] = $this->_query[ident];
753                      $query_args[nodename] = $this->_query[nodename];
754                    }
755                    break;
756                case 'list':                case 'list':
757                  if (!$this->_query[classname]) {                  if (!$this->_query[nodename]) {
758                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
759                    user_error("DataSource::Generic: query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
760                  }                  }
761                  //array_push($query_args, $this->_query[classname]);                  //array_push($query_args, $this->_query[nodename]);
762                  $query_args[classname] = $this->_query[classname];                  $query_args[nodename] = $this->_query[nodename];
763                    if($this->_query[list_meta]) { $query_args[list_meta] = $this->_query[list_meta]; }
764                  break;                  break;
765                case 'item':                case 'tree':
766                  if (!$this->_query[classname]) {                  /*
767                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                  if (!$this->_query[nodename]) {
768                    user_error("DataSource::Generic: query_data() - failed: " . $msg);                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
769                      user_error($msg_prefix . $msg);
770                  }                  }
771                    */
772                  $query_args[guid] = $this->_query[ident];                  $query_args[guid] = $this->_query[ident];
773                  $query_args[classname] = $this->_query[classname];                  //$query_args[nodename] = $this->_query[nodename];
774                  break;                                break;
775                  default:
776                    $msg = "\$this->_query[abstract_type] could not be dispatched as 'item', 'list' or 'tree'.";
777                    user_error($msg_prefix . $msg);
778                    break;
779              }              }
780              if($this->_query[action] == 'write') {              
781                // filter???
782                print "Filter: " . Dumper($this->_query[filter]) . "<br>";
783                if ($this->_query[filter]) {
784                  $query_args[filter] = $this->_query[filter];
785                }
786                
787                // dispatch action
788                print "Action: " . $this->_query[action] . "<br>";
789                if ($this->_query[action] == 'write') {
790               $query_args[action] = $this->_query[action];               $query_args[action] = $this->_query[action];
791               $query_args[data] = $this->_query[data];               $query_args[data] = $this->_query[data];
792                } elseif ($this->_query[action] == 'delete') {
793                 $query_args[action] = $this->_query[action];
794                } elseif ($this->_query[action] == 'create') {
795                   $query_args[action] = $this->_query[action];
796              }              }
797                
798              $args = array(              $args = array(
799                            'data_type' => $this->_query[abstract_type],                            'data_type' => $this->_query[abstract_type],
800                            'query_args' => $query_args                            'query_args' => $query_args
# Line 793  class DataSource_Generic extends DesignP Line 854  class DataSource_Generic extends DesignP
854    
855    
856          function &fetch_result() {          function &fetch_result() {
857    
858          //print Dumper($this);
859                
860        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
861    
862        $call = $this->_locator->get_call();        $call = $this->_locator->get_call();
863    
864        //print Dumper($call);        //print Dumper($call);
865          //return;
866    
867        // pre-flight checks        // pre-flight checks
868          if (!$call[method]) {          if (!$call[method]) {
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