--- /dev/null
+<html><head><title>Specify route</title></head><body>
+
+<%perl>
+my %a;
+my @vars;
+
+#---------- "mode" argument parsing and mode menu at top of page ----------
+
+# for debugging, invoke as
+# http://www.chiark.greenend.org.uk/ucgi/~clareb/mason/pirates/pirate-route?debug=1
+
+@vars= ({ Name => 'Ocean',
+ Before => 'Ocean: ',
+ CmpCanon => sub { ucfirst lc $_[0] },
+ Values => [ ocean_list() ]
+ }, { Name => 'Dropdowns',
+ Before => 'Interface: ',
+ CmpCanon => sub { !!$_[0] },
+ Values => [ [ 0, 'Type in names' ],
+ [ 4, 'Select from menus' ] ]
+ });
+
+foreach my $var (@vars) {
+ my $name= $var->{Name};
+ $var->{Before}= '' unless exists $var->{Before};
+ $var->{CmpCanon}= sub { $_[0]; } unless exists $var->{CmpCanon};
+ foreach my $val (@{ $var->{Values} }) {
+ next if ref $val;
+ $val= [ $val, encode_entities($val) ];
+ }
+ if (exists $ARGS{lc $name}) {
+ $a{$name}= $ARGS{lc $name};
+ } else {
+ $a{$name}= $var->{Values}[0][0];
+ }
+}
+
+foreach my $var (@vars) {
+ my $name= $var->{Name};
+ my $delim= $var->{Before};
+ my $canon= &{$var->{CmpCanon}}($a{$name});
+ my $cvalix= 0;
+ foreach my $valr (@{ $var->{Values} }) {
+ print $delim; $delim= "\n|\n";
+ my ($value,$html) = @$valr;
+ my $iscurrent= &{$var->{CmpCanon}}($value) eq $canon;
+ my $after;
+ if ($iscurrent) {
+ print '<b>';
+ $after= '</b>';
+ } else {
+ my %qf= ();
+ foreach my $innerr (@vars) {
+ my $n= lc $innerr->{Name};
+ if ($n ne lc $name) {
+ next unless exists $ARGS{$n};
+ $qf{$n}= $ARGS{$n};
+ } else {
+ next if !$cvalix;
+ $qf{$n}= $value;
+ }
+ }
+ my $uri= URI->new($m->current_comp()->name());
+ $qf{'debug'}=1 if $debug;
+ $uri->query_form(%qf);
+ print '<a href="', $uri->path_query(), '">';
+ $after= '</a>';
+ }
+ print $html, $after;
+ $cvalix++;
+ }
+ print "<p>\n\n";
+}
+
+#---------- initial checks, startup, main entry form ----------
+
+die "unknown ocean $a{Ocean} ?"
+ unless grep { $_ eq $a{Ocean} } ocean_list();
+
+db_setocean($a{Ocean});
+db_connect();
+
+</%perl>
+<%args>
+$debug => 0
+</%args>
+
+<h1>Specify route</h1>
+<form action="/ucgi/~clareb/mason/something" method="get">
+
+%#---------- textbox, user enters route as string ----------
+% if (!$a{Dropdowns}) {
+
+Enter route (islands, or archipelagoes, separated by |s or commas;
+ abbreviations are OK):<br/>
+
+<script type="text/javascript">
+tr_uri= "routetextstring?format=json&type=text/xml"
+ + "&ocean=<% uri_escape($a{Ocean}) %>";
+
+tr_timeout=false;
+tr_request=false;
+tr_done='';
+tr_needed='';
+function tr_Later(){
+ window.clearTimeout(tr_timeout);
+ tr_timeout = window.setTimeout(tr_Needed, 500);
+}
+function tr_Needed(){
+ window.clearTimeout(tr_timeout);
+ tr_element= document.getElementById('routestring');
+ tr_needed= tr_element.value;
+ tr_Request();
+}
+function tr_Request(){
+ if (tr_request || tr_needed==tr_done) return;
+ tr_done= tr_needed;
+ tr_request= new XMLHttpRequest();
+ uri= tr_uri+'&string='+encodeURIComponent(tr_needed);
+ tr_request.open('GET', uri);
+ tr_request.onreadystatechange= tr_Ready;
+ tr_request.send(null);
+}
+function tr_Ready() {
+ if (tr_request.readyState != 4) return;
+ if (tr_request.status == 200) {
+ response= tr_request.responseText;
+ eval('results='+response);
+ toedit= document.getElementById('routeresults');
+ toedit.innerHTML= results.show;
+ }
+ tr_request= false;
+ tr_Request();
+}
+</script>
+
+<input type="text" id="routestring" name="routestring" size=80
+ onchange="tr_Needed();"
+ onkeyup="tr_Later();"><br>
+<div id="routeresults"> </div><br/>
+
+% } else { #---------- dropdowns, user selects from menus ----------
+
+<%perl>
+my ($sth,$row);;
+my $archlistdata='';
+my %islandlistdata;
+$islandlistdata{'none'}= <<END;
+<option value="none">Select island...</option>
+END
+
+$sth= $dbh->prepare("SELECT DISTINCT archipelago FROM islands
+ ORDER BY archipelago;");
+$sth->execute();
+
+while ($row=$sth->fetchrow_arrayref) {
+ my ($arch)= @$row;
+ $archlistdata.=
+ sprintf('<option value="%s">%s</option>',
+ map { encode_entities($_) } ($arch,$arch));
+ $islandlistdata{$arch}= <<END;
+<option value="none">Whole arch</option>
+END
+}
+
+$sth= $dbh->prepare("SELECT islandid,islandname,archipelago
+ FROM islands
+ ORDER BY islandname;");
+$sth->execute();
+
+while ($row=$sth->fetchrow_arrayref) {
+ my $arch= $row->[2];
+ my $here= sprintf('<option value="%s">%s</option>',
+ map { encode_entities($_) } @$row[0..1]);
+ $islandlistdata{'none'} .= $here;
+ $islandlistdata{$arch} .= $here;
+}
+
+</%perl>
+
+<script type="text/javascript">
+ms_lists= <% to_json(\%islandlistdata) %>;
+function ms_Setarch(dd) {
+ debug('ms_SetArch '+dd+' arch='+arch);
+ var arch= document.getElementsByName('archipelago'+dd).item(0).value;
+ var got= ms_lists[arch];
+ if (got == undefined) return; // unknown arch ? hrm
+ debug('ms_SetArch '+dd+' arch='+arch+' got ok');
+ var select= document.getElementsByName('islandid'+dd).item(0);
+ select.innerHTML= got;
+ debug('ms_SetArch '+dd+' arch='+arch+' innerHTML set');
+}
+</script>
+
+<table style="table-layout:fixed; width:90%;">
+
+<tr>
+% for my $dd (0..$a{Dropdowns}-1) {
+<td>
+<select name="archipelago<% $dd %>" onchange="ms_Setarch(<% $dd %>)">
+<option value="none">Whole ocean</option>
+<% $archlistdata %></select></td>
+% }
+</tr>
+
+<tr>
+% for my $dd (0..$a{Dropdowns}-1) {
+<td><select name="islandid<% $dd %>">
+<% $islandlistdata{'none'} %></select></td>
+% }
+</tr>
+
+</table>
+
+% } #---------- end of dropdowns, now common code ----------
+
+<input type=submit name=submit value="Go">
+</form>
+
+% if ($debug) {
+<p>
+<pre id="debug_log">
+Debug log:
+</pre>
+% }
+
+<script type="text/javascript">
+function debug (m) {
+% if ($debug) {
+ var node= document.getElementById('debug_log');
+ node.innerHTML += "\n" + m + "\n";
+% }
+}
+</script>
+
+<%init>
+use CommodsWeb;
+use HTML::Entities;
+use URI::Escape;
+
+</%init>