/[cvs]/nfo/php/libs/org.netfrag.glib/DataSource/Generic.php
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revision 1.4 by joko, Mon Mar 10 23:25:03 2003 UTC revision 1.15 by joko, Sun Apr 6 04:46:33 2003 UTC
# Line 9  Line 9 
9   */   */
10    
11  /**  /**
12     * <b>Cvs-Log:</b>
13     *
14     * <pre>
15   * $Id$   * $Id$
16   *   *
17   * $Log$   * $Log$
18     * Revision 1.15  2003/04/06 04:46:33  joko
19     * renamed linking function
20     * mozilla fixes
21     *
22     * Revision 1.14  2003/04/04 21:19:21  joko
23     * modified exception handling (enhanced, purged redundant code)
24     *
25     * Revision 1.13  2003/04/04 02:37:14  jonen
26     * _query[action] == write
27     *
28     * Revision 1.12  2003/03/29 08:00:48  joko
29     * modified ErrorBoxing
30     *
31     * Revision 1.11  2003/03/28 06:45:26  joko
32     * VERBOSE mode
33     *
34     * Revision 1.10  2003/03/28 03:01:02  joko
35     * more fancy debugging-output
36     *
37     * Revision 1.9  2003/03/27 16:24:26  jonen
38     * + mugled namespace
39     * + added enhanced 'queryData'
40     *
41     * Revision 1.8  2003/03/20 07:22:14  jonen
42     * + modified case 'object' to 'objects'
43     *   (cause its loads all *objects* of a given classname)
44     *
45     * Revision 1.7  2003/03/11 01:43:00  joko
46     * + fixed metadata for phpDocumentor
47     *
48     * Revision 1.6  2003/03/11 01:22:25  joko
49     * + fixed metadata for phpDocumentor
50     *
51     * Revision 1.5  2003/03/11 00:12:49  joko
52     * + fixed metadata for phpDocumentor
53     *
54   * Revision 1.4  2003/03/10 23:25:03  joko   * Revision 1.4  2003/03/10 23:25:03  joko
55   * + fixed metadata for phpDocumentor   * + fixed metadata for phpDocumentor
56   *   *
# Line 47  Line 86 
86   *   *
87   * Revision 1.1  2003/03/01 03:10:40  joko   * Revision 1.1  2003/03/01 03:10:40  joko
88   * + initial commit   * + initial commit
89   *   * </pre>
90   *   *
91   */   */
92    
# Line 126  loadModule('DesignPattern::AdapterProxy' Line 165  loadModule('DesignPattern::AdapterProxy'
165   * --- snipped into here from above ---   * --- snipped into here from above ---
166   * </pre>   * </pre>
167   *   *
168   *   * <p>
169   * !!!!!!  refactor this to Data::Driver::Proxy  !!!!!!     <-----------------   * !!!!!!  refactor this to Data::Driver::Proxy  !!!!!!     <-----------------
170   *   *
171   * Data::Driver::Proxy instantiates "handlers" below itself   * Data::Driver::Proxy instantiates "handlers" below itself
# Line 147  loadModule('DesignPattern::AdapterProxy' Line 186  loadModule('DesignPattern::AdapterProxy'
186   * </pre>   * </pre>
187   *   *
188   * !!!!!!  refactor this to Data::Driver::Proxy  !!!!!!     <-----------------   * !!!!!!  refactor this to Data::Driver::Proxy  !!!!!!     <-----------------
189     * </p>
190   *   *
191   *   *
192     * <p>
193   * <b>How to use?</b>   * <b>How to use?</b>
194   *   *
195   * Pass an array holding "locator metadata" to the constructor.   * Pass an array holding "locator metadata" to the constructor.
196   * GenericDataSource takes care of the rest.   * GenericDataSource takes care of the rest.
197   *   *
198     * <pre>
199   * Pass an array to the constructor: (e.g.)   * Pass an array to the constructor: (e.g.)
200   *   *
201   *  1. doing rpc-calls....   *  1. doing rpc-calls....
# Line 175  loadModule('DesignPattern::AdapterProxy' Line 217  loadModule('DesignPattern::AdapterProxy'
217   *    $source = ne w GenericDataSource($locator);   *    $source = ne w GenericDataSource($locator);
218   *    $this->set_data_source( &$source );   *    $this->set_data_source( &$source );
219   *    </code>   *    </code>
220     * </pre>
221     * </p>
222     *
223   *   *
224   * @link http://www.netfrag.org/~joko/   * @link http://www.netfrag.org/~joko/
225   * @author Andreas Motl <andreas.motl@ilo.de>   * @author Andreas Motl <andreas.motl@ilo.de>
# Line 193  loadModule('DesignPattern::AdapterProxy' Line 238  loadModule('DesignPattern::AdapterProxy'
238   * @name DataSource::Generic   * @name DataSource::Generic
239   *   *
240   * @todo this:   * @todo this:
241     * o mungle this to be able to be wrapped around phpHtmlLib's own storage-handles
242     * o implement another Data::Driver::Proxy container
243   *   *
244   * <ul>   * <pre>
  *  o mungle this to be able to be wrapped around phpHtmlLib's own storage-handles  
  *  o implement another Data::Driver::Proxy container  
  * </ul>  
  *  
245   *              !!!!!!!!          THIS IS THE PROBLEM          !!!!!!!!   *              !!!!!!!!          THIS IS THE PROBLEM          !!!!!!!!
246   *    !!!!!!!!   here is it where we have to break inheritance again   !!!!!!!!   *    !!!!!!!!   here is it where we have to break inheritance again   !!!!!!!!
247   *   *
# Line 214  loadModule('DesignPattern::AdapterProxy' Line 257  loadModule('DesignPattern::AdapterProxy'
257   *      2. here: DataSource - scope:   *      2. here: DataSource - scope:
258   *          x handles bridge to frameworks (e.g. phpHtmlLib) vs. actual data driver libs (PEAR, etc.))   *          x handles bridge to frameworks (e.g. phpHtmlLib) vs. actual data driver libs (PEAR, etc.))
259   *          o clean implementation using a DesignPattern::AdapterProxy   *          o clean implementation using a DesignPattern::AdapterProxy
260     * </pre>
261   *   *
262   *   *
263   */   */
# Line 441  class DataSource_Generic extends DesignP Line 485  class DataSource_Generic extends DesignP
485            case 'phpHtmlLib':            case 'phpHtmlLib':
486              //$adapter_arguments = $args[title];              //$adapter_arguments = $args[title];
487    
488              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataListSource');              $this->set_adapter_module('DataSource::Adapter::phpHtmlLib::DataSource');
489                            
490              // in order to let the Adapter communicate with the Proxy,              // in order to let the Adapter communicate with the Proxy,
491              // instantiate a wrapper method in a third namespace via              // instantiate a wrapper method in a third namespace via
# Line 646  class DataSource_Generic extends DesignP Line 690  class DataSource_Generic extends DesignP
690        // FIXME: abstract this some more (e.g. via a CommandMapper|Registry)        // FIXME: abstract this some more (e.g. via a CommandMapper|Registry)
691          switch ($this->_query[metatype]) {          switch ($this->_query[metatype]) {
692            case 'data':            case 'data':
693              //$command = 'queryData';              $command = 'queryData';
694              $command = 'getObjects';   // FIXME!!!              
695                //$command = 'getObjects';   // FIXME!!!
696              //$this->_locator->set_option('metadata.command', $command);              //$this->_locator->set_option('metadata.command', $command);
697    /*
698              $args = array();              $args = array();
699              switch ($this->_query[vartype]) {              switch ($this->_query[vartype]) {
700                case 'object':                case 'objects':
701                  if (!$this->_query[classname]) {                  if (!$this->_query[classname]) {
702                    $msg = "_query[vartype] == 'object' requires _query[classname]";                    $msg = "_query[vartype] == 'objects' requires _query[classname]";
703                    user_error("GenericDataSource::query_data() - failed: " . $msg);                    user_error("GenericDataSource::query_data() - failed: " . $msg);
704                  }                  }
705                  array_push($args, $this->_query[classname]);                  array_push($args, $this->_query[classname]);
706                  break;                  break;
707              }              }
708              break;   */
709                $query_args = array();
710                 switch ($this->_query[abstract_type]) {
711                  case 'list':
712                    if (!$this->_query[classname]) {
713                      $msg = "_query[vartype] == 'objects' requires _query[classname]";
714                      user_error("GenericDataSource::query_data() - failed: " . $msg);
715                    }
716                    //array_push($query_args, $this->_query[classname]);
717                    $query_args[classname] = $this->_query[classname];
718                    break;
719                  case 'item':
720                    if (!$this->_query[classname]) {
721                      $msg = "_query[vartype] == 'objects' requires _query[classname]";
722                      user_error("GenericDataSource::query_data() - failed: " . $msg);
723                    }
724                    $query_args[guid] = $this->_query[ident];
725                    $query_args[classname] = $this->_query[classname];
726                    break;              
727                }
728                if($this->_query[action] == 'write') {
729                 $query_args[action] = $this->_query[action];
730                 $query_args[data] = $this->_query[data];
731                }
732                $args = array(
733                              'data_type' => $this->_query[abstract_type],
734                              'query_args' => $query_args
735                              );
736               break;
737    
738              // querySchema
739            case 'schema':            case 'schema':
740                //print "Testing schema:" . "<br>";
741              $command = 'querySchema';              $command = 'querySchema';
742                $args = array( $this->_query[filter] );
743              break;              break;
744          }          }
745                
# Line 697  class DataSource_Generic extends DesignP Line 775  class DataSource_Generic extends DesignP
775                
776    }    }
777    
778    
779    
780          function &fetch_result() {          function &fetch_result() {
781                
782        $this->datasource_handler_buildoptions();        $this->datasource_handler_buildoptions();
783    
784        $method = $this->_locator->_call[_method];        $call = $this->_locator->get_call();
785        $args = $this->_locator->_call[_arguments];        //print Dumper($call);
786          
787        // pre-flight checks        // pre-flight checks
788          if (!$method) {          if (!$call[method]) {
789            $msg = "Remote command could not be resolved, please pass in or check configuration.";            $msg = "Remote method is empty, please pass in proper metadata or check configuration.";
790                          user_error("GenericDataSource::query_data() - failed: " . $msg);                          user_error("GenericDataSource::query_data() - failed: " . $msg);
791            return;            return;
792          }          }
# Line 715  class DataSource_Generic extends DesignP Line 795  class DataSource_Generic extends DesignP
795    
796        // do remote call here and get result        // do remote call here and get result
797        // FIXME: handle synchronous/asynchronous mode here!!!        // FIXME: handle synchronous/asynchronous mode here!!!
798          $this->datasource_handler_call($method, $args);          $this->datasource_handler_call($call[method], $call[args]);
799                    
800                    
801          // TODO: ... = $this->poll_handler_result  and  $this->get_handler_result          // TODO: ... = $this->poll_handler_result  and  $this->get_handler_result
# Line 726  class DataSource_Generic extends DesignP Line 806  class DataSource_Generic extends DesignP
806          $this->_result_count = sizeof($this->_result);          $this->_result_count = sizeof($this->_result);
807    
808        // trace        // trace
809          if ($this->_debug[notice]) {          //if (constants::get('VERBOSE') && $this->_debug[notice]) {
810            if (constants::get('VERBOSE') or constants::get('ERRORS_ONLY')) {
811            //print "_result = " . Dumper($this->_result);            //print "_result = " . Dumper($this->_result);
812            print "DataSource::Generic->_result_count = " . $this->_result_count . "<br/>";            //print "<div><b><font color=\"darkgreen\">Debug:</font></b> DataSource::Generic->_result_count = <b>" . $this->_result_count . "</b></div>";
813              $this->draw_status_box();
814          }          }
815            
816          return $this->_result;          return $this->_result;
817    
818          }          }
819    
820      function draw_status_box() {
821    
822        static $boxcount;
823        
824        $boxcount++;
825    
826        $box = container();
827    
828        // box style
829        $style = container(
830          html_style("text/css", '.boxlabel_darkgreen { color: darkgreen; font-weight:bold; }'),
831          html_style("text/css", '.box_dsg { background: #20ab39; color: white; border: 2px black groove; width:640px; padding:10px; margin:40px; }')
832        );
833        $box->add( $style );
834        
835        // box content
836        $statusbox = html_div('box_dsg');
837        $statusbox->add( html_b("DataSource::Generic"), html_br() );
838        $locatorbox = html_div('box_dsg');
839        $locatorbox->set_id("locatorbox_$boxcount");
840        $locatorbox->add( Dumper($this->_locator) );
841        
842        // FIXME: ie/mozilla?
843        //$locatorbox->set_style('display:none;');
844        //$locatorbox->set_style('visibility:hidden;');
845        // already duplicate inside Tracer!!!
846        $locatorbox->set_style('visibility:hidden; position:absolute; z-index:1; margin-top:30px; padding:5px;');
847        
848        $statusbox->add( html_span('boxlabel_darkgreen', "Locator:"), link::js_function( 'toggleVisibility', array("locatorbox_$boxcount"), '[show]'), $locatorbox, html_br() );
849        $call = $this->_locator->get_call();
850        $statusbox->add( html_span('boxlabel_darkgreen', "Method:"), $call[method], html_br() );
851        if (sizeof($call[args])) {
852          $statusbox->add( html_span('boxlabel_darkgreen', "Arguments:"), Dumper($call[args]), html_br() );
853        }
854        $statusbox->add( html_span('boxlabel_darkgreen', "Count:"), $this->get_result_count(), html_br() );
855        $box->add( $statusbox );
856    
857        //print $box->render();
858        trace( $box );
859    
860      }
861    
862    
863    function &query_data() {    function &query_data() {
864      //print "query!<br/>";      //print "query!<br/>";
# Line 750  class DataSource_Generic extends DesignP Line 874  class DataSource_Generic extends DesignP
874    function &get_result() {    function &get_result() {
875      return $this->_result;      return $this->_result;
876    }    }
877      
878      function get_result_count() {
879        return $this->_result_count;
880      }
881                    
882  }  }
883    
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