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revision 1.2, Wed Sep 27 16:55:38 2006 UTC revision 1.4, Mon Oct 2 03:15:37 2006 UTC
# Line 17  Line 17 
17      use HTML;      use HTML;
18      use BasicLocation;      use BasicLocation;
19      use FeatureQuery;      use FeatureQuery;
20        use URI::Escape;
21        use PageBuilder;
22    
23  =head1 Search Helper Base Class  =head1 Search Helper Base Class
24    
# Line 73  Line 75 
75    
76  List of JavaScript statements to be executed after the form is closed.  List of JavaScript statements to be executed after the form is closed.
77    
78    =item genomeHash
79    
80    Cache of the genome group hash used to build genome selection controls.
81    
82    =item genomeParms
83    
84    List of the parameters that are used to select multiple genomes.
85    
86    =item filtered
87    
88    TRUE if this is a feature-filtered search, else FALSE. B<NOTE> that this
89    field is updated by the B<FeatureQuery> object.
90    
91  =back  =back
92    
93  =head2 Adding a new Search Tool  =head2 Adding a new Search Tool
# Line 139  Line 154 
154    
155  =item 1  =item 1
156    
157  L</NmpdrGenomeMenu> generates a control for selecting one or more genomes.  L</NmpdrGenomeMenu> generates a control for selecting one or more genomes. Use
158    L</GetGenomes> to retrieve all the genomes passed in for a specified parameter
159    name. Note that as an assist to people working with GET-style links, if no
160    genomes are specified and the incoming request style is GET, all genomes will
161    be returned.
162    
163  =item 2  =item 2
164    
# Line 218  Line 237 
237  by calling L</SetMessage>. If the parameters are valid, then the method must return  by calling L</SetMessage>. If the parameters are valid, then the method must return
238  the number of items found.  the number of items found.
239    
 =head2 Virtual Methods  
   
 =head3 Form  
   
 C<< my $html = $shelp->Form(); >>  
   
 Generate the HTML for a form to request a new search.  
   
 =head3 Find  
   
 C<< my $resultCount = $shelp->Find(); >>  
   
 Conduct a search based on the current CGI query parameters. The search results will  
 be written to the session cache file and the number of results will be  
 returned. If the search parameters are invalid, a result count of C<undef> will be  
 returned and a result message will be stored in this object describing the problem.  
   
 =head3 Description  
   
 C<< my $htmlText = $shelp->Description(); >>  
   
 Return a description of this search. The description is used for the table of contents  
 on the main search tools page. It may contain HTML, but it should be character-level,  
 not block-level, since the description is going to appear in a list.  
   
240  =cut  =cut
241    
242  # This counter is used to insure every form on the page has a unique name.  # This counter is used to insure every form on the page has a unique name.
# Line 298  Line 292 
292                    orgs => {},                    orgs => {},
293                    name => $formName,                    name => $formName,
294                    scriptQueue => [],                    scriptQueue => [],
295                      genomeList => undef,
296                      genomeParms => [],
297                      filtered => 0,
298                   };                   };
299      # Bless and return it.      # Bless and return it.
300      bless $retVal, $class;      bless $retVal, $class;
# Line 648  Line 645 
645  sub PutFeature {  sub PutFeature {
646      # Get the parameters.      # Get the parameters.
647      my ($self, $fq) = @_;      my ($self, $fq) = @_;
648        # Get the CGI query object.
649        my $cgi = $self->Q();
650      # Get the feature data.      # Get the feature data.
651      my $record = $fq->Feature();      my $record = $fq->Feature();
652      my $extraCols = $fq->ExtraCols();      my $extraCols = $fq->ExtraCols();
# Line 655  Line 654 
654      if (! defined $self->{cols}) {      if (! defined $self->{cols}) {
655          # Here we need to set up the column information. Start with the defaults.          # Here we need to set up the column information. Start with the defaults.
656          $self->{cols} = $self->DefaultFeatureColumns();          $self->{cols} = $self->DefaultFeatureColumns();
657            # Add the externals if they were requested.
658            if ($cgi->param('ShowAliases')) {
659                push @{$self->{cols}}, 'alias';
660            }
661          # Append the extras, sorted by column name.          # Append the extras, sorted by column name.
662          for my $col (sort keys %{$extraCols}) {          for my $col (sort keys %{$extraCols}) {
663              push @{$self->{cols}}, "X=$col";              push @{$self->{cols}}, "X=$col";
# Line 672  Line 675 
675      }      }
676      # Compute the sort key. The sort key floats NMPDR organism features to the      # Compute the sort key. The sort key floats NMPDR organism features to the
677      # top of the return list.      # top of the return list.
678      my $group = $self->FeatureGroup($fid);      my $key = $self->SortKey($record);
     my $key = ($group ? "A$group" : "ZZ");  
679      # Write the feature data.      # Write the feature data.
680      $self->WriteColumnData($key, @output);      $self->WriteColumnData($key, @output);
681  }  }
# Line 771  Line 773 
773      my $retVal;      my $retVal;
774      # Get a digest encoder.      # Get a digest encoder.
775      my $md5 = Digest::MD5->new();      my $md5 = Digest::MD5->new();
776      # If we have a randomization file, use it to seed the digester.      # Add the PID, the IP, and the time stamp. Note that the time stamp is
777      if (open(R, "/dev/urandom")) {      # actually two numbers, and we get them both because we're in list
778          my $b;      # context.
779          read(R, $b, 1024);      $md5->add($$, $ENV{REMOTE_ADDR}, $ENV{REMOTE_PORT}, gettimeofday());
780          $md5->add($b);      # Hash up all this identifying data.
781      }      $retVal = $md5->hexdigest();
782      # Add the PID and the time stamp.      # Return the result.
     $md5->add($$, gettimeofday);  
     # Hash it up and clean the result so that it works as a file name.  
     $retVal = $md5->b64digest();  
     $retVal =~ s,/,\$,g;  
     $retVal =~ s,\+,@,g;  
     # Return it.  
783      return $retVal;      return $retVal;
784  }  }
785    
# Line 942  Line 938 
938      } else {      } else {
939          # Here we can get its genome data.          # Here we can get its genome data.
940          $retVal = $self->Organism($genomeID);          $retVal = $self->Organism($genomeID);
941          # Append the type and number.          # Append the FIG ID.
942          $retVal .= " [$type $num]";          $retVal .= " [$fid]";
943      }      }
944      # Return the result.      # Return the result.
945      return $retVal;      return $retVal;
# Line 1059  Line 1055 
1055    
1056  =head3 NmpdrGenomeMenu  =head3 NmpdrGenomeMenu
1057    
1058  C<< my $htmlText = $shelp->NmpdrGenomeMenu($menuName, \%options, \@selected); >>  C<< my $htmlText = $shelp->NmpdrGenomeMenu($menuName, $multiple, \@selected, $rows); >>
1059    
1060  This method creates a hierarchical HTML menu for NMPDR genomes organized by category. The  This method creates a hierarchical HTML menu for NMPDR genomes organized by category. The
1061  category indicates the low-level NMPDR group. Organizing the genomes in this way makes it  category indicates the low-level NMPDR group. Organizing the genomes in this way makes it
# Line 1071  Line 1067 
1067    
1068  Name to give to the menu.  Name to give to the menu.
1069    
1070  =item options  =item multiple
1071    
1072  Reference to a hash containing the options to be applied to the C<SELECT> tag form the menu.  TRUE if the user is allowed to select multiple genomes, else FALSE.
 Typical options would include C<multiple> to specify  
 that multiple selections are allowed and C<size> to set the number of rows to display  
 in the menu.  
1073    
1074  =item selected  =item selected
1075    
# Line 1084  Line 1077 
1077  is not intended to allow multiple selections, the list should be a singleton. If the  is not intended to allow multiple selections, the list should be a singleton. If the
1078  list is empty, nothing will be pre-selected.  list is empty, nothing will be pre-selected.
1079    
1080    =item rows (optional)
1081    
1082    Number of rows to display. If omitted, the default is 1 for a single-select list
1083    and 10 for a multi-select list.
1084    
1085  =item RETURN  =item RETURN
1086    
1087  Returns the HTML text to generate a C<SELECT> menu inside a form.  Returns the HTML text to generate a C<SELECT> menu inside a form.
# Line 1094  Line 1092 
1092    
1093  sub NmpdrGenomeMenu {  sub NmpdrGenomeMenu {
1094      # Get the parameters.      # Get the parameters.
1095      my ($self, $menuName, $options, $selected) = @_;      my ($self, $menuName, $multiple, $selected, $rows) = @_;
1096      # Get the Sprout and CGI objects.      # Get the Sprout and CGI objects.
1097      my $sprout = $self->DB();      my $sprout = $self->DB();
1098      my $cgi = $self->Q();      my $cgi = $self->Q();
1099        # Compute the row count.
1100        if (! defined $rows) {
1101            $rows = ($multiple ? 10 : 1);
1102        }
1103        # Create the multiple tag.
1104        my $multipleTag = ($multiple ? " multiple" : "");
1105      # Get the form name.      # Get the form name.
1106      my $formName = $self->FormName();      my $formName = $self->FormName();
1107        # Check to see if we already have a genome list in memory.
1108        my $genomes = $self->{genomeList};
1109        my $groupHash;
1110        if (defined $genomes) {
1111            # We have a list ready to use.
1112            $groupHash = $genomes;
1113        } else {
1114      # Get a list of all the genomes in group order. In fact, we only need them ordered      # Get a list of all the genomes in group order. In fact, we only need them ordered
1115      # by name (genus,species,strain), but putting primary-group in front enables us to      # by name (genus,species,strain), but putting primary-group in front enables us to
1116      # take advantage of an existing index.      # take advantage of an existing index.
# Line 1111  Line 1122 
1122      # Create a hash to organize the genomes by group. Each group will contain a list of      # Create a hash to organize the genomes by group. Each group will contain a list of
1123      # 2-tuples, the first element being the genome ID and the second being the genome      # 2-tuples, the first element being the genome ID and the second being the genome
1124      # name.      # name.
1125      my %groupHash = ();          my %gHash = ();
1126      for my $genome (@genomeList) {      for my $genome (@genomeList) {
1127          # Get the genome data.          # Get the genome data.
1128          my ($group, $genomeID, $genus, $species, $strain) = @{$genome};          my ($group, $genomeID, $genus, $species, $strain) = @{$genome};
# Line 1121  Line 1132 
1132              $name .= " $strain";              $name .= " $strain";
1133          }          }
1134          # Push the genome into the group's list.          # Push the genome into the group's list.
1135          push @{$groupHash{$group}}, [$genomeID, $name];              push @{$gHash{$group}}, [$genomeID, $name];
1136            }
1137            # Save the genome list for future use.
1138            $self->{genomeList} = \%gHash;
1139            $groupHash = \%gHash;
1140      }      }
1141      # Now we are ready to unroll the menu out of the group hash. First, we sort the groups, putting      # Now we are ready to unroll the menu out of the group hash. First, we sort the groups, putting
1142      # the supporting-genome group last.      # the supporting-genome group last.
1143      my @groups = sort grep { $_ ne $FIG_Config::otherGroup } keys %groupHash;      my @groups = sort grep { $_ ne $FIG_Config::otherGroup } keys %{$groupHash};
1144      push @groups, $FIG_Config::otherGroup;      push @groups, $FIG_Config::otherGroup;
1145      # Next, create a hash that specifies the pre-selected entries.      # Next, create a hash that specifies the pre-selected entries. Note that we need to deal
1146      my %selectedHash = map { $_ => 1 } @{$selected};      # with the possibility of undefined values in the incoming list.
1147        my %selectedHash = ();
1148        if (defined $selected) {
1149            %selectedHash = map { $_ => 1 } grep { defined($_) } @{$selected};
1150        }
1151      # Now it gets complicated. We need a way to mark all the NMPDR genomes.      # Now it gets complicated. We need a way to mark all the NMPDR genomes.
1152      # Create the type counters.      # Create the type counters.
1153      my $groupCount = 1;      my $groupCount = 1;
# Line 1138  Line 1157 
1157      my $showSelect = "showSelected($menuName, '$divID', 1000);";      my $showSelect = "showSelected($menuName, '$divID', 1000);";
1158      # If multiple selection is supported, create an onChange event.      # If multiple selection is supported, create an onChange event.
1159      my $onChange = "";      my $onChange = "";
1160      if ($options->{multiple}) {      if ($multiple) {
1161          $onChange = " onChange=\"$showSelect\"";          $onChange = " onChange=\"$showSelect\"";
1162      }      }
1163      # Create the SELECT tag and stuff it into the output array.      # Create the SELECT tag and stuff it into the output array.
1164      my $select = "<" . join(" ", "SELECT name=\"$menuName\"$onChange", map { " $_=\"$options->{$_}\"" } keys %{$options}) . ">";      my $select = "<SELECT name=\"$menuName\"$onChange$multipleTag size=\"$rows\">";
1165      my @lines = ($select);      my @lines = ($select);
1166      # Loop through the groups.      # Loop through the groups.
1167      for my $group (@groups) {      for my $group (@groups) {
# Line 1153  Line 1172 
1172          # label option may have functionality in future browsers. If that happens, we'll need          # label option may have functionality in future browsers. If that happens, we'll need
1173          # to modify the genome text so that the "selectSome" method can tell which are NMPDR          # to modify the genome text so that the "selectSome" method can tell which are NMPDR
1174          # organisms and which aren't. Sadly, the OPTGROUP tag is invisible in the DOM Javascript          # organisms and which aren't. Sadly, the OPTGROUP tag is invisible in the DOM Javascript
1175          # hierarchy.          # hierarchy, so we can't use it.
1176          my $label = ($group eq $FIG_Config::otherGroup ? "other" : "nmpdr");          my $label = ($group eq $FIG_Config::otherGroup ? "other" : "nmpdr");
1177          # Get the genomes in the group.          # Get the genomes in the group.
1178          for my $genome (@{$groupHash{$group}}) {          for my $genome (@{$groupHash->{$group}}) {
1179              my ($genomeID, $name) = @{$genome};              my ($genomeID, $name) = @{$genome};
1180              # See if it's selected.              # See if it's selected.
1181              my $select = ($selectedHash{$genomeID} ? " selected" : "");              my $select = ($selectedHash{$genomeID} ? " selected" : "");
# Line 1170  Line 1189 
1189      # Close the SELECT tag.      # Close the SELECT tag.
1190      push @lines, "</SELECT>";      push @lines, "</SELECT>";
1191      # Check for multiple selection.      # Check for multiple selection.
1192      if ($options->{multiple}) {      if ($multiple) {
1193          # Since multi-select is on, we can set up some buttons to set and clear selections.          # Since multi-select is on, we set up some buttons to set and clear selections.
1194          push @lines, "<br />";          push @lines, "<br />";
1195          push @lines, "<INPUT type=\"button\" name=\"SelectAll\" class=\"bigButton\" value=\"Select All\" onClick=\"selectAll($menuName); $showSelect\" />";          push @lines, "<INPUT type=\"button\" name=\"SelectAll\" class=\"bigButton\" value=\"Select All\" onClick=\"selectAll($menuName); $showSelect\" />";
1196          push @lines, "<INPUT type=\"button\" name=\"ClearAll\" class=\"bigButton\"  value=\"Clear All\" onClick=\"clearAll($menuName); $showSelect\" />";          push @lines, "<INPUT type=\"button\" name=\"ClearAll\" class=\"bigButton\"  value=\"Clear All\" onClick=\"clearAll($menuName); $showSelect\" />";
1197          push @lines, "<INPUT type=\"button\" name=\"NMPDROnly\" class=\"bigButton\"  value=\"Select NMPDR\" onClick=\"selectSome($menuName, 'nmpdr'); $showSelect\" />";          push @lines, "<INPUT type=\"button\" name=\"NMPDROnly\" class=\"bigButton\"  value=\"Select NMPDR\" onClick=\"selectSome($menuName, 'nmpdr'); $showSelect\" />";
1198          push @lines, "<INPUT type=\"button\" name=\"OtherOnly\" class=\"bigButton\" value=\"Select Supporting\" onClick=\"selectSome($menuName, 'other'); $showSelect\" />";          push @lines, "<INPUT type=\"button\" name=\"OtherOnly\" class=\"bigButton\" value=\"Select Supporting\" onClick=\"selectSome($menuName, 'other'); $showSelect\" />";
1199            # Now add the search box. This allows the user to type text and have all genomes containing
1200            # the text selected automatically.
1201            my $searchThingName = "${menuName}_SearchThing";
1202            push @lines, "<br>Select genomes containing <INPUT type=\"text\" name=\"$searchThingName\" size=\"30\" />&nbsp;" .
1203                         "<INPUT type=\"button\" name=\"Select\" class=\"button\" value=\"Search\" onClick=\"selectViaSearch($menuName, $searchThingName); $showSelect\" />";
1204          # Add the status display, too.          # Add the status display, too.
1205          push @lines, "<DIV id=\"$divID\" class=\"selectStatus\"></DIV>";          push @lines, "<DIV id=\"$divID\" class=\"selectStatus\"></DIV>";
1206          # Queue to update the status display when the form loads. We need to modify the show statement          # Queue to update the status display when the form loads. We need to modify the show statement
# Line 1185  Line 1209 
1209          # in case we decide to twiddle the parameters.          # in case we decide to twiddle the parameters.
1210          $showSelect =~ s/showSelected\(/showSelected\(thisForm\./;          $showSelect =~ s/showSelected\(/showSelected\(thisForm\./;
1211          $self->QueueFormScript($showSelect);          $self->QueueFormScript($showSelect);
1212            # Finally, add this parameter to the list of genome parameters. This enables us to
1213            # easily find all the parameters used to select one or more genomes.
1214            push @{$self->{genomeParms}}, $menuName;
1215      }      }
1216      # Assemble all the lines into a string.      # Assemble all the lines into a string.
1217      my $retVal = join("\n", @lines, "");      my $retVal = join("\n", @lines, "");
# Line 1192  Line 1219 
1219      return $retVal;      return $retVal;
1220  }  }
1221    
1222    =head3 PropertyMenu
1223    
1224    C<< my $htmlText = $shelp->PropertyMenu($menuName, $selected, $force); >>
1225    
1226    Generate a property name dropdown menu.
1227    
1228    =over 4
1229    
1230    =item menuName
1231    
1232    Name to give to the menu.
1233    
1234    =item selected
1235    
1236    Value of the property name to pre-select.
1237    
1238    =item force (optional)
1239    
1240    If TRUE, then the user will be forced to choose a property name. If FALSE,
1241    then an additional menu choice will be provided to select nothing.
1242    
1243    =item RETURN
1244    
1245    Returns a dropdown menu box that allows the user to select a property name. An additional
1246    selection entry will be provided for selecting no property name
1247    
1248    =back
1249    
1250    =cut
1251    
1252    sub PropertyMenu {
1253        # Get the parameters.
1254        my ($self, $menuName, $selected, $force) = @_;
1255        # Get the CGI and Sprout objects.
1256        my $sprout = $self->DB();
1257        my $cgi = $self->Q();
1258        # Create the property name list.
1259        my @propNames = ();
1260        if (! $force) {
1261            push @propNames, "";
1262        }
1263        # Get all the property names, putting them after the null choice if one exists.
1264        push @propNames, $sprout->GetChoices('Property', 'property-name');
1265        # Create a menu from them.
1266        my $retVal = $cgi->popup_menu(-name=> $menuName, -values => \@propNames,
1267                                      -default => $selected);
1268        # Return the result.
1269        return $retVal;
1270    }
1271    
1272  =head3 MakeTable  =head3 MakeTable
1273    
1274  C<< my $htmlText = $shelp->MakeTable(\@rows); >>  C<< my $htmlText = $shelp->MakeTable(\@rows); >>
# Line 1254  Line 1331 
1331      # Get the parameters.      # Get the parameters.
1332      my ($self) = @_;      my ($self) = @_;
1333      my $cgi = $self->Q();      my $cgi = $self->Q();
1334      # Declare the return variable.      # Get the current page size.
1335        my $pageSize = $cgi->param('PageSize');
1336        # Get the incoming external-link flag.
1337        my $aliases = ($cgi->param('ShowAliases') ? 1 : 0);
1338        # Create the row.
1339      my $retVal = $cgi->Tr($cgi->td("Results/Page"),      my $retVal = $cgi->Tr($cgi->td("Results/Page"),
1340                            $cgi->td($cgi->popup_menu(-name => 'PageSize',                            $cgi->td($cgi->popup_menu(-name => 'PageSize',
1341                                                      -values => [10, 25, 45, 100, 1000],                                                      -values => [10, 25, 45, 100, 1000],
1342                                                      -default => $cgi->param('PageSize'))),                                                      -default => $pageSize) . " " .
1343                                       $cgi->checkbox(-name => 'ShowURL',
1344                                                      -value => 1,
1345                                                      -label => 'Show URL')),
1346                            $cgi->td($cgi->submit(-class => 'goButton',                            $cgi->td($cgi->submit(-class => 'goButton',
1347                                                  -name => 'Search',                                                  -name => 'Search',
1348                                                  -value => 'Go')));                                                  -value => 'Go')));
# Line 1359  Line 1443 
1443      return $retVal;      return $retVal;
1444  }  }
1445    
1446    =head3 GetGenomes
1447    
1448    C<< my @genomeList = $shelp->GetGenomes($parmName); >>
1449    
1450    Return the list of genomes specified by the specified CGI query parameter.
1451    If the request method is POST, then the list of genome IDs is returned
1452    without preamble. If the request method is GET and the parameter is not
1453    specified, then it is treated as a request for all genomes. This makes it
1454    easier for web pages to link to a search that wants to specify all genomes.
1455    
1456    =over 4
1457    
1458    =item parmName
1459    
1460    Name of the parameter containing the list of genomes. This will be the
1461    first parameter passed to the L</NmpdrGenomeMenu> call that created the
1462    genome selection control on the form.
1463    
1464    =item RETURN
1465    
1466    Returns a list of the genomes to process.
1467    
1468    =back
1469    
1470    =cut
1471    
1472    sub GetGenomes {
1473        # Get the parameters.
1474        my ($self, $parmName) = @_;
1475        # Get the CGI query object.
1476        my $cgi = $self->Q();
1477        # Get the list of genome IDs in the request header.
1478        my @retVal = $cgi->param($parmName);
1479        Trace("Genome list for $parmName is (" . join(", ", @retVal) . ") with method " . $cgi->request_method() . ".") if T(3);
1480        # Check for the special GET case.
1481        if ($cgi->request_method() eq "GET" && ! @retVal) {
1482            # Here the caller wants all the genomes.
1483            my $sprout = $self->DB();
1484            @retVal = $sprout->Genomes();
1485        }
1486        # Return the result.
1487        return @retVal;
1488    }
1489    
1490    =head3 GetHelpText
1491    
1492    C<< my $htmlText = $shelp->GetHelpText(); >>
1493    
1494    Get the help text for this search. The help text is stored in files on the template
1495    server. The help text for a specific search is taken from a file named
1496    C<SearchHelp_>I<class>C<.inc> in the template directory C<$FIG_Config::template_url>.
1497    There are also three standard help files: C<SearchHelp1_Filtering.inc> describes the
1498    feature filtering performed by the B<FeatureQuery> object, C<SearchHelp1_GenomeControl.inc>
1499    describes how to use a multiple-selection genome control, and C<SearchHelp1_Standard.inc>
1500    describes the standard controls for a search, such as page size, URL display, and
1501    external alias display.
1502    
1503    =cut
1504    
1505    sub GetHelpText {
1506        # Get the parameters.
1507        my ($self) = @_;
1508        # Create a list to hold the pieces of the help.
1509        my @helps = ();
1510        # Get the template directory URL.
1511        my $urlBase = $FIG_Config::template_url;
1512        # Start with the specific help.
1513        my $class = $self->{class};
1514        push @helps, PageBuilder::GetPage("$urlBase/SearchHelp_$class.inc");
1515        # Add the genome control help if needed.
1516        if (scalar @{$self->{genomeParms}}) {
1517            push @helps, PageBuilder::GetPage("$urlBase/SearchHelp1_GenomeControl.inc");
1518        }
1519        # Next the filter help.
1520        if ($self->{filtered}) {
1521            push @helps, PageBuilder::GetPage("$urlBase/SearchHelp1_Filtering.inc");
1522        }
1523        # Finally, the standard help.
1524        push @helps, PageBuilder::GetPage("$urlBase/SearchHelp1_Standard.inc");
1525        # Assemble the pieces.
1526        my $retVal = join("\n<p>&nbsp;</p>\n", @helps);
1527        # Return the result.
1528        return $retVal;
1529    }
1530    
1531    =head3 ComputeSearchURL
1532    
1533    C<< my $url = $shelp->ComputeSearchURL(); >>
1534    
1535    Compute the GET-style URL for the current search. In order for this to work, there
1536    must be a copy of the search form on the current page. This will always be the
1537    case if the search is coming from C<SearchSkeleton.cgi>.
1538    
1539    A little expense is involved in order to make the URL as smart as possible. The
1540    main complication is that if the user specified all genomes, we'll want to
1541    remove the parameter entirely from a get-style URL.
1542    
1543    =cut
1544    
1545    sub ComputeSearchURL {
1546        # Get the parameters.
1547        my ($self) = @_;
1548        # Get the database and CGI query object.
1549        my $cgi = $self->Q();
1550        my $sprout = $self->DB();
1551        # Start with the full URL.
1552        my $retVal = $cgi->url(-full => 1);
1553        # Get all the query parameters in a hash.
1554        my %parms = $cgi->Vars();
1555        # Now we need to do some fixing. Each multi-valued parameter is encoded as a string with null
1556        # characters separating the individual values. We have to convert those to lists. In addition,
1557        # the multiple-selection genome parameters and the feature type parameter must be checked to
1558        # determine whether or not they can be removed from the URL. First, we get a list of the
1559        # genome parameters and a list of all genomes. Note that we only need the list if a
1560        # multiple-selection genome parameter has been found on the form.
1561        my %genomeParms = map { $_ => 1 } @{$self->{genomeParms}};
1562        my @genomeList;
1563        if (keys %genomeParms) {
1564            @genomeList = $sprout->Genomes();
1565        }
1566        # Create a list to hold the URL parameters we find.
1567        my @urlList = ();
1568        # Now loop through the parameters in the hash, putting them into the output URL.
1569        for my $parmKey (keys %parms) {
1570            # Get a list of the parameter values. If there's only one, we'll end up with
1571            # a singleton list, but that's okay.
1572            my @values = split (/\0/, $parms{$parmKey});
1573            # Check for special cases.
1574            if ($parmKey eq 'featureTypes') {
1575                # Here we need to see if the user wants all the feature types. If he
1576                # does, we erase all the values so that the parameter is not output.
1577                my %valueCheck = map { $_ => 1 } @values;
1578                my @list = FeatureQuery::AllFeatureTypes();
1579                my $okFlag = 1;
1580                for (my $i = 0; $okFlag && $i <= $#list; $i++) {
1581                    if (! $valueCheck{$list[$i]}) {
1582                        $okFlag = 0;
1583                    }
1584                }
1585                if ($okFlag) {
1586                    @values = ();
1587                }
1588            } elsif (grep { $_ eq $parmKey } qw(SessionID ResultCount Page PageSize Trace TF ShowURL)) {
1589                # These are bookkeeping parameters we don't need to start a search.
1590                @values = ();
1591            } elsif ($parmKey =~ /_SearchThing$/) {
1592                # Here the value coming in is from a genome control's search thing. It does
1593                # not affect the results of the search, so we clear it.
1594                @values = ();
1595            } elsif ($genomeParms{$parmKey}) {
1596                # Here we need to see if the user wants all the genomes. If he does,
1597                # we erase all the values just like with features.
1598                my $allFlag = $sprout->IsAllGenomes(\@values, \@genomeList);
1599                if ($allFlag) {
1600                    @values = ();
1601                }
1602            }
1603            # If we still have values, create the URL parameters.
1604            if (@values) {
1605                push @urlList, map { "$parmKey=" . uri_escape($_) } @values;
1606            }
1607        }
1608        # Add the parameters to the URL.
1609        $retVal .= "?" . join(";", @urlList);
1610        # Return the result.
1611        return $retVal;
1612    }
1613    
1614    =head3 GetRunTimeValue
1615    
1616    C<< my $htmlText = $shelp->GetRunTimeValue($text); >>
1617    
1618    Compute a run-time column value.
1619    
1620    =over 4
1621    
1622    =item text
1623    
1624    The run-time column text. It consists of 2 percent signs, a column type, an equal
1625    sign, and the data for the current row.
1626    
1627    =item RETURN
1628    
1629    Returns the fully-formatted HTML text to go into the current column of the current row.
1630    
1631    =back
1632    
1633    =cut
1634    
1635    sub GetRunTimeValue {
1636        # Get the parameters.
1637        my ($self, $text) = @_;
1638        # Declare the return variable.
1639        my $retVal;
1640        # Parse the incoming text.
1641        if ($text =~ /^%%([^=]+)=(.*)$/) {
1642            $retVal = $self->RunTimeColumns($1, $2);
1643        } else {
1644            Confess("Invalid run-time column string \"$text\" encountered in session file.");
1645        }
1646        # Return the result.
1647        return $retVal;
1648    }
1649    
1650  =head2 Feature Column Methods  =head2 Feature Column Methods
1651    
1652  The methods in this column manage feature column data. If you want to provide the  The methods in this column manage feature column data. If you want to provide the
# Line 1391  Line 1679 
1679      # Get the parameters.      # Get the parameters.
1680      my ($self) = @_;      my ($self) = @_;
1681      # Return the result.      # Return the result.
1682      return ['orgName', 'function', 'gblink', 'protlink'];      return ['orgName', 'function', 'gblink', 'protlink',
1683                FeatureQuery::AdditionalColumns($self)];
1684  }  }
1685    
1686  =head3 FeatureColumnTitle  =head3 FeatureColumnTitle
# Line 1500  Line 1789 
1789          $retVal = HTML::set_prot_links($fid);          $retVal = HTML::set_prot_links($fid);
1790      } elsif ($colName eq 'alias') {      } elsif ($colName eq 'alias') {
1791          # In this case, the user wants a list of external aliases for the feature.          # In this case, the user wants a list of external aliases for the feature.
1792          # The complicated part is we have to hyperlink them. First, get the          # These are very expensive, so we compute them when the row is displayed.
1793          # aliases.          $retVal = "%%aliases=$fid";
         my @aliases = $sprout->FeatureAliases($fid);  
         # Only proceed if we found some.  
         if (@aliases) {  
             # Join the aliases into a comma-delimited list.  
             my $aliasList = join(", ", @aliases);  
             # Ask the HTML processor to hyperlink them.  
             $retVal = HTML::set_prot_links($aliasList);  
         }  
1794      } elsif ($colName eq 'function') {      } elsif ($colName eq 'function') {
1795          # The functional assignment is just a matter of getting some text.          # The functional assignment is just a matter of getting some text.
1796          ($retVal) = $record->Value('Feature(assignment)');          ($retVal) = $record->Value('Feature(assignment)');
# Line 1539  Line 1820 
1820      return $retVal;      return $retVal;
1821  }  }
1822    
1823    =head3 RunTimeColumns
1824    
1825    C<< my $htmlText = $shelp->RunTimeColumns($type, $text); >>
1826    
1827    Return the HTML text for a run-time column. Run-time columns are evaluated when the
1828    list is displayed, rather than when it is generated.
1829    
1830    =over 4
1831    
1832    =item type
1833    
1834    Type of column.
1835    
1836    =item text
1837    
1838    Data relevant to this row of the column.
1839    
1840    =item RETURN
1841    
1842    Returns the fully-formatted HTML text to go in the specified column.
1843    
1844    =back
1845    
1846    =cut
1847    
1848    sub RunTimeColumns {
1849        # Get the parameters.
1850        my ($self, $type, $text) = @_;
1851        # Declare the return variable.
1852        my $retVal = "";
1853        # Get the Sprout and CGI objects.
1854        my $sprout = $self->DB();
1855        my $cgi = $self->Q();
1856        # Separate the text into a type and data.
1857        if ($type eq 'aliases') {
1858            # Here the caller wants external alias links for a feature. The text
1859            # is the feature ID.
1860            my $fid = $text;
1861            # The complicated part is we have to hyperlink them. First, get the
1862            # aliases.
1863            Trace("Generating aliases for feature $fid.") if T(4);
1864            my @aliases = $sprout->FeatureAliases($fid);
1865            # Only proceed if we found some.
1866            if (@aliases) {
1867                # Join the aliases into a comma-delimited list.
1868                my $aliasList = join(", ", @aliases);
1869                # Ask the HTML processor to hyperlink them.
1870                $retVal = HTML::set_prot_links($cgi, $aliasList);
1871            }
1872        }
1873        # Return the result.
1874        return $retVal;
1875    }
1876    
1877    =head2 Virtual Methods
1878    
1879    =head3 Form
1880    
1881    C<< my $html = $shelp->Form(); >>
1882    
1883    Generate the HTML for a form to request a new search.
1884    
1885    =head3 Find
1886    
1887    C<< my $resultCount = $shelp->Find(); >>
1888    
1889    Conduct a search based on the current CGI query parameters. The search results will
1890    be written to the session cache file and the number of results will be
1891    returned. If the search parameters are invalid, a result count of C<undef> will be
1892    returned and a result message will be stored in this object describing the problem.
1893    
1894    =head3 Description
1895    
1896    C<< my $htmlText = $shelp->Description(); >>
1897    
1898    Return a description of this search. The description is used for the table of contents
1899    on the main search tools page. It may contain HTML, but it should be character-level,
1900    not block-level, since the description is going to appear in a list.
1901    
1902    =head3 SortKey
1903    
1904    C<< my $key = $shelp->SortKey($record); >>
1905    
1906    Return the sort key for the specified record. The default is to sort by feature name,
1907    floating NMPDR organisms to the top. This sort may be overridden by the search class
1908    to provide fancier functionality. This method is called by B<PutFeature>, so it
1909    is only used for feature searches. A non-feature search would presumably have its
1910    own sort logic.
1911    
1912    =over 4
1913    
1914    =item record
1915    
1916    The C<DBObject> from which the current row of data is derived.
1917    
1918    =item RETURN
1919    
1920    Returns a key field that can be used to sort this row in among the results.
1921    
1922    =back
1923    
1924    =cut
1925    
1926    sub SortKey {
1927        # Get the parameters.
1928        my ($self, $record) = @_;
1929        # Get the feature ID from the record.
1930        my ($fid) = $record->Value('Feature(id)');
1931        # Get the group from the feature ID.
1932        my $group = $self->FeatureGroup($fid);
1933        # Ask the feature query object to form the sort key.
1934        my $retVal = FeatureQuery::SortKey($self, $group, $record);
1935        # Return the result.
1936        return $retVal;
1937    }
1938  1;  1;

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