/[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 1.27 by joko, Tue Jun 15 12:50:48 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 1.27  2004/06/15 12:50:48  joko
18     * disabled caching in "datasource_handler_call"
19     *
20     * Revision 1.26  2003/12/14 01:53:42  jonen
21     * implemented 'SELECT' mode for selecting existing object-refereneces as child-nodes
22     *
23     * Revision 1.25  2003/11/17 18:01:03  jonen
24     * bugfix: php cannot use perl-syntax!! ;-)
25     *
26     * Revision 1.23  2003/07/14 10:02:32  jonen
27     * removed debug dumper
28     *
29     * Revision 1.22  2003/06/06 04:25:45  joko
30     * fix: query args get encapsulated once more
31     *
32     * Revision 1.21  2003/05/10 18:14:50  jonen
33     * + implements 'create' of item (query mapping part)
34     *
35     * Revision 1.20  2003/04/19 16:07:15  jonen
36     * + added '_query[list_meta]' at 'queryData' needed for meta query args
37     *    (e.g. at UserManagment)
38     *
39     * Revision 1.19  2003/04/18 15:40:51  joko
40     * NEW: tree data handling
41     *   introduced new adapter: DataSource::Adapter::Free
42     *   enhanced datasource_handler_buildoptions: now handles a) case 'tree'  b) _query[filter]
43     *
44     * Revision 1.18  2003/04/11 00:55:49  joko
45     * updated 'datasource_handler_buildoptions': action dispatcher now aware of 'delete'
46     *
47     * Revision 1.17  2003/04/09 02:07:33  joko
48     * CHANGE: renamed key 'classname' through 'nodename'
49     *
50     * Revision 1.16  2003/04/08 17:55:20  joko
51     * CHANGE: renamed property 'datasource' to 'transport'
52     * NEW: new case 'method' in 'function datasource_handler_buildoptions'
53     * minor fixes: updated logging/debugging messages
54     *
55     * Revision 1.15  2003/04/06 04:46:33  joko
56     * renamed linking function
57     * mozilla fixes
58     *
59     * Revision 1.14  2003/04/04 21:19:21  joko
60     * modified exception handling (enhanced, purged redundant code)
61     *
62     * Revision 1.13  2003/04/04 02:37:14  jonen
63     * _query[action] == write
64     *
65   * Revision 1.12  2003/03/29 08:00:48  joko   * Revision 1.12  2003/03/29 08:00:48  joko
66   * modified ErrorBoxing   * modified ErrorBoxing
67   *   *
# Line 76  Line 123 
123   *   *
124   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
125   * + initial commit   * + initial commit
  * </pre>  
126   *   *
127   */   */
128    
# Line 273  class DataSource_Generic extends DesignP Line 319  class DataSource_Generic extends DesignP
319      * other presets.      * other presets.
320      *      *
321      * See '_buildLocator' which acts as a dispatcher      * See '_buildLocator' which acts as a dispatcher
322      * depending on $_options[datasource].      * depending on $_options[transport].
323      * (main dispatching level)      * (main dispatching level)
324      *      *
325      * The structure of a full blown locator looks like this:      * The structure of a full blown locator looks like this:
# Line 362  class DataSource_Generic extends DesignP Line 408  class DataSource_Generic extends DesignP
408          function DataSource_Generic( &$locator, $query ) {          function DataSource_Generic( &$locator, $query ) {
409    
410                  // copy parameter from query to locator                  // copy parameter from query to locator
411                  //$this->_locator->merge_to($this->_locator, array( datasource_type => $query[datasource] ), '_');                  //$this->_locator->merge_to($this->_locator, array( datasource_type => $query[transport] ), '_');
412                  //$this->_locator->_datasource_type = $query[datasource];                  //$this->_locator->_datasource_type = $query[transport];
413                  //$locator[_datasource_type] = $query[datasource];                  //$locator[_datasource_type] = $query[transport];
414                                    
415        /**        /**
416         * <!-- Autodia -->         * <!-- Autodia -->
# Line 374  class DataSource_Generic extends DesignP Line 420  class DataSource_Generic extends DesignP
420         */         */
421    
422                  // build master locator                  // build master locator
423                  $this->_locator = php::mkComponent('DataSource::Locator', $locator, array( datasource_type => $query[datasource] ) );                  $this->_locator = php::mkComponent('DataSource::Locator', $locator, array( datasource_type => $query[transport] ) );
424                  //exit;                  //exit;
425                  //$this->_locator = php::mkComponent('DataSource::Locator');                  //$this->_locator = php::mkComponent('DataSource::Locator');
426                                    
# Line 411  class DataSource_Generic extends DesignP Line 457  class DataSource_Generic extends DesignP
457      // pre-flight: check locator metadata      // pre-flight: check locator metadata
458        //$locator->build();        //$locator->build();
459        if (!$this->_locator->check()) {        if (!$this->_locator->check()) {
460          user_error("locator-check failed.");          user_error("DataSource::Generic: locator-check failed." . "<br/>" . "Locator was: " . Dumper($this->_locator) );
461          exit;          //exit;
462           //return;           return;
463        }        }
464    
465  //exit;  //exit;
# Line 472  class DataSource_Generic extends DesignP Line 518  class DataSource_Generic extends DesignP
518          // ... resolves this._modules.adapter._id to this._modules.adapter._module          // ... resolves this._modules.adapter._id to this._modules.adapter._module
519                    
520          switch ($locator->_adapter_type) {          switch ($locator->_adapter_type) {
521    
522            case 'phpHtmlLib':            case 'phpHtmlLib':
523              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
   
524              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
525                            
526              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
527              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
528              // Exporter::export_symbol(from, to)              // Exporter::export_symbol(from, to)
529              $this->set_adapter_options($this);              $this->set_adapter_options($this);
530                break;
531    
532              // NEW [2003-04-17]: Freedom for the adapter!
533              // phpHtmlLib didn't have a tree widget, but PEAR does.
534              // So: Free us from the phpHtmlLib-adapter in this case.
535              case 'free':
536                $this->set_adapter_module('DataSource::Adapter::Free');
537                $this->set_adapter_options($this);
538              break;              break;
539    
540            default:            default:
541              user_error("DataSource::GenericDataSource: no Adapter could be selected!");              user_error("DataSource::Generic: no Adapter could be selected: \$locator->_adapter_type='$locator->_adapter_type'");
542              break;              break;
543          }          }
544    
# Line 648  class DataSource_Generic extends DesignP Line 701  class DataSource_Generic extends DesignP
701                
702                
703        //$this->set_component_name( $proxy_name );        //$this->set_component_name( $proxy_name );
704        $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 => $rpcinfo, cache => array( db => 0, session => 0 ) ) );
705        //print Dumper($this);        //print Dumper($this);
706        //exit;        //exit;
707                
# Line 681  class DataSource_Generic extends DesignP Line 734  class DataSource_Generic extends DesignP
734          switch ($this->_query[metatype]) {          switch ($this->_query[metatype]) {
735            case 'data':            case 'data':
736              $command = 'queryData';              $command = 'queryData';
737                
738              //$command = 'getObjects';   // FIXME!!!              //$command = 'getObjects';   // FIXME!!!
739              //$this->_locator->set_option('metadata.command', $command);              //$this->_locator->set_option('metadata.command', $command);
740  /*  /*
# Line 689  class DataSource_Generic extends DesignP Line 743  class DataSource_Generic extends DesignP
743                case 'objects':                case 'objects':
744                  if (!$this->_query[classname]) {                  if (!$this->_query[classname]) {
745                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[classname]";
746                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error("DataSource::Generic: query_data() - failed: " . $msg);
747                  }                  }
748                  array_push($args, $this->_query[classname]);                  array_push($args, $this->_query[classname]);
749                  break;                  break;
750              }              }
751   */   */
752              $query_args = array();              $query_args = array();
753                
754                 $msg_prefix = "DataSource::Generic::datasource_handler_buildoptions failed: ";
755               switch ($this->_query[abstract_type]) {               switch ($this->_query[abstract_type]) {
756                  case 'item':
757                    if (!$this->_query[nodename] && $this->_query[action] != 'create') {
758                      $msg = "_query[vartype] == 'objects' requires _query[nodename]";
759                      user_error($msg_prefix . $msg);
760                    } elseif($this->_query[action] == 'create' && $this->_query[parent]) {
761                      if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
762                      if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
763                      $query_args[nodename] = $this->_query[ident];
764                      $query_args[parent][guid] = $this->_query[parent][guid];
765                      $query_args[parent][nodename] = $this->_query[parent][nodename];
766                    } elseif($this->_query[parent]) {
767                      $query_args[guid] = $this->_query[ident];
768                      $query_args[nodename] = $this->_query[nodename];
769                      $query_args[parent][guid] = $this->_query[parent][guid];
770                      $query_args[parent][nodename] = $this->_query[parent][nodename];
771                    } else {
772                      $query_args[guid] = $this->_query[ident];
773                      $query_args[nodename] = $this->_query[nodename];
774                      // 2003-11-17 NEW: use expand flag for real obj expand at backend
775                      if ($this->_query[expand]) {$query_args[expand] = 1; }
776                    }
777                    //print "generic_source->debug: args " . Dumper($query_args) . "<br>";
778                    break;
779                case 'list':                case 'list':
780                  if (!$this->_query[classname]) {                  if (!$this->_query[nodename]) {
781                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
782                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error($msg_prefix . $msg);
783                    } elseif($this->_query[parent]) {
784                      //if($this->_query[nodename]) { $query_args[node_class] = $this->_query[nodename]; }
785                      //if($this->_query['hash_key']) { $query_args['hash_key'] = $this->_query['hash_key']; }
786                      //$query_args[nodename] = $this->_query[ident];
787                      $query_args[parent][guid] = $this->_query[parent][guid];
788                      $query_args[parent][nodename] = $this->_query[parent][nodename];
789                  }                  }
790                  //array_push($query_args, $this->_query[classname]);                  //array_push($query_args, $this->_query[nodename]);
791                  $query_args[classname] = $this->_query[classname];                  $query_args[nodename] = $this->_query[nodename];
792                    if($this->_query[list_meta]) { $query_args[list_meta] = $this->_query[list_meta]; }
793                  break;                  break;
794                case 'item':                case 'tree':
795                  if (!$this->_query[classname]) {                  /*
796                    $msg = "_query[vartype] == 'objects' requires _query[classname]";                  if (!$this->_query[nodename]) {
797                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    $msg = "_query[vartype] == 'objects' requires _query[nodename]";
798                      user_error($msg_prefix . $msg);
799                  }                  }
800                    */
801                  $query_args[guid] = $this->_query[ident];                  $query_args[guid] = $this->_query[ident];
802                  $query_args[classname] = $this->_query[classname];                  //$query_args[nodename] = $this->_query[nodename];
803                  break;                                break;
804                  default:
805                    $msg = "\$this->_query[abstract_type] could not be dispatched as 'item', 'list' or 'tree'.";
806                    user_error($msg_prefix . $msg);
807                    break;
808                }
809                
810                // filter???
811                //print "Filter: " . Dumper($this->_query[filter]) . "<br>";
812                if ($this->_query[filter]) {
813                  $query_args[filter] = $this->_query[filter];
814              }              }
815                
816                // dispatch action
817                //print "Action: " . $this->_query[action] . "<br>";
818                if ($this->_query[action] == 'write') {
819                 $query_args[action] = $this->_query[action];
820                 $query_args[data] = $this->_query[data];
821                } elseif ($this->_query[action] == 'delete') {
822                 $query_args[action] = $this->_query[action];
823                } elseif ($this->_query[action] == 'create') {
824                   $query_args[action] = $this->_query[action];
825                } elseif ($this->_query[action] == 'select') {
826                   $query_args[action] = $this->_query[action];
827                }
828                
829              $args = array(              $args = array(
830                            'data_type' => $this->_query[abstract_type],                            'data_type' => $this->_query[abstract_type],
831                            'query_args' => $query_args                            'query_args' => $query_args
# Line 724  class DataSource_Generic extends DesignP Line 836  class DataSource_Generic extends DesignP
836            case 'schema':            case 'schema':
837              //print "Testing schema:" . "<br>";              //print "Testing schema:" . "<br>";
838              $command = 'querySchema';              $command = 'querySchema';
839                $args = array( $this->_query[filter] );
840              break;              break;
841                
842              // remoteMethod
843              case 'method':
844                $command = $this->_query[method];
845                //$args = $this->_query[args];
846                // FIX
847                $args = array( $this->_query[args] );
848                break;
849    
850          }          }
851                
852          
853            // FIXME: bad behaviour?
854            if (!is_array($args)) { $args = array( $args ); }
855            
856            //print Dumper($args);
857                    
858          /*          /*
859          $this->_query[rpc_command] = $command;          $this->_query[rpc_command] = $command;
# Line 762  class DataSource_Generic extends DesignP Line 889  class DataSource_Generic extends DesignP
889    
890    
891          function &fetch_result() {          function &fetch_result() {
892    
893          //print Dumper($this);
894                
895        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
896    
897        $call = $this->_locator->get_call();        $call = $this->_locator->get_call();
898    
899        //print Dumper($call);        //print Dumper($call);
900          //return;
901    
902        // pre-flight checks        // pre-flight checks
903          if (!$call[method]) {          if (!$call[method]) {
904            $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.";
905                          user_error("GenericDataSource::query_data() - failed: " . $msg);                          user_error("DataSource::Generic: query_data() - failed: " . $msg);
906            return;            return;
907          }          }
908    
# Line 809  class DataSource_Generic extends DesignP Line 940  class DataSource_Generic extends DesignP
940    
941      $box = container();      $box = container();
942    
     // 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 );  
       
943      // box style      // box style
944      $style = container(      $style = container(
945        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 953  class DataSource_Generic extends DesignP
953      $locatorbox = html_div('box_dsg');      $locatorbox = html_div('box_dsg');
954      $locatorbox->set_id("locatorbox_$boxcount");      $locatorbox->set_id("locatorbox_$boxcount");
955      $locatorbox->add( Dumper($this->_locator) );      $locatorbox->add( Dumper($this->_locator) );
     //$locatorbox->set_style('visibility:false;');  
     $locatorbox->set_style('display:none;');  
956            
957      $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), html_a("javascript:toggle_vis('locatorbox_$boxcount');", '[show]'), $locatorbox, html_br() );      // FIXME: ie/mozilla?
958        //$locatorbox->set_style('display:none;');
959        //$locatorbox->set_style('visibility:hidden;');
960        // already duplicate inside Tracer!!!
961        $locatorbox->set_style('visibility:hidden; position:absolute; z-index:1; margin-top:30px; padding:5px;');
962        
963        $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), link::js_function( 'toggleVisibility', array("locatorbox_$boxcount"), '[show]'), $locatorbox, html_br() );
964      $call = $this->_locator->get_call();      $call = $this->_locator->get_call();
965      $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );      $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );
966      if (sizeof($call[args])) {      if (sizeof($call[args])) {
# Line 852  class DataSource_Generic extends DesignP Line 969  class DataSource_Generic extends DesignP
969      $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() );
970      $box->add( $statusbox );      $box->add( $statusbox );
971    
972      print $box->render();      //print $box->render();
973        trace( $box );
974    
975    }    }
976    
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