1 <html><head><title>Specify route</title></head><body>
7 #---------- "mode" argument parsing and mode menu at top of page ----------
9 # for debugging, invoke as
10 # http://www.chiark.greenend.org.uk/ucgi/~clareb/mason/pirates/pirate-route?debug=1
12 @vars= ({ Name => 'Ocean',
14 CmpCanon => sub { ucfirst lc $_[0] },
15 Values => [ ocean_list() ]
16 }, { Name => 'Dropdowns',
17 Before => 'Interface: ',
18 CmpCanon => sub { !!$_[0] },
19 Values => [ [ 0, 'Type in names' ],
20 [ 4, 'Select from menus' ] ]
23 foreach my $var (@vars) {
24 my $name= $var->{Name};
25 $var->{Before}= '' unless exists $var->{Before};
26 $var->{CmpCanon}= sub { $_[0]; } unless exists $var->{CmpCanon};
27 foreach my $val (@{ $var->{Values} }) {
29 $val= [ $val, encode_entities($val) ];
31 if (exists $ARGS{lc $name}) {
32 $a{$name}= $ARGS{lc $name};
34 $a{$name}= $var->{Values}[0][0];
38 foreach my $var (@vars) {
39 my $name= $var->{Name};
40 my $delim= $var->{Before};
41 my $canon= &{$var->{CmpCanon}}($a{$name});
43 foreach my $valr (@{ $var->{Values} }) {
44 print $delim; $delim= "\n|\n";
45 my ($value,$html) = @$valr;
46 my $iscurrent= &{$var->{CmpCanon}}($value) eq $canon;
53 foreach my $innerr (@vars) {
54 my $n= lc $innerr->{Name};
56 next unless exists $ARGS{$n};
63 my $uri= URI->new($m->current_comp()->name());
64 $qf{'debug'}=1 if $debug;
65 $uri->query_form(%qf);
66 print '<a href="', $uri->path_query(), '">';
75 #---------- initial checks, startup, main entry form ----------
77 die "unknown ocean $a{Ocean} ?"
78 unless grep { $_ eq $a{Ocean} } ocean_list();
80 db_setocean($a{Ocean});
88 <h1>Specify route</h1>
89 <form action="/ucgi/~clareb/mason/something" method="get">
91 %#---------- textbox, user enters route as string ----------
92 % if (!$a{Dropdowns}) {
94 Enter route (islands, or archipelagoes, separated by |s or commas;
95 abbreviations are OK):<br/>
97 <script type="text/javascript">
98 tr_uri= "routetextstring?format=json&type=text/xml"
99 + "&ocean=<% uri_escape($a{Ocean}) %>";
106 window.clearTimeout(tr_timeout);
107 tr_timeout = window.setTimeout(tr_Needed, 500);
109 function tr_Needed(){
110 window.clearTimeout(tr_timeout);
111 tr_element= document.getElementById('routestring');
112 tr_needed= tr_element.value;
115 function tr_Request(){
116 if (tr_request || tr_needed==tr_done) return;
118 tr_request= new XMLHttpRequest();
119 uri= tr_uri+'&string='+encodeURIComponent(tr_needed);
120 tr_request.open('GET', uri);
121 tr_request.onreadystatechange= tr_Ready;
122 tr_request.send(null);
124 function tr_Ready() {
125 if (tr_request.readyState != 4) return;
126 if (tr_request.status == 200) {
127 response= tr_request.responseText;
128 eval('results='+response);
129 toedit= document.getElementById('routeresults');
130 toedit.innerHTML= results.show;
137 <input type="text" id="routestring" name="routestring" size=80
138 onchange="tr_Needed();"
139 onkeyup="tr_Later();"><br>
140 <div id="routeresults"> </div><br/>
142 % } else { #---------- dropdowns, user selects from menus ----------
148 $islandlistdata{'none'}= <<END;
149 <option value="none">Select island...</option>
152 $sth= $dbh->prepare("SELECT DISTINCT archipelago FROM islands
153 ORDER BY archipelago;");
156 while ($row=$sth->fetchrow_arrayref) {
159 sprintf('<option value="%s">%s</option>',
160 map { encode_entities($_) } ($arch,$arch));
161 $islandlistdata{$arch}= <<END;
162 <option value="none">Whole arch</option>
166 $sth= $dbh->prepare("SELECT islandid,islandname,archipelago
168 ORDER BY islandname;");
171 while ($row=$sth->fetchrow_arrayref) {
173 my $here= sprintf('<option value="%s">%s</option>',
174 map { encode_entities($_) } @$row[0..1]);
175 $islandlistdata{'none'} .= $here;
176 $islandlistdata{$arch} .= $here;
181 <script type="text/javascript">
182 ms_lists= <% to_json(\%islandlistdata) %>;
183 function ms_Setarch(dd) {
184 debug('ms_SetArch '+dd+' arch='+arch);
185 var arch= document.getElementsByName('archipelago'+dd).item(0).value;
186 var got= ms_lists[arch];
187 if (got == undefined) return; // unknown arch ? hrm
188 debug('ms_SetArch '+dd+' arch='+arch+' got ok');
189 var select= document.getElementsByName('islandid'+dd).item(0);
190 select.innerHTML= got;
191 debug('ms_SetArch '+dd+' arch='+arch+' innerHTML set');
195 <table style="table-layout:fixed; width:90%;">
198 % for my $dd (0..$a{Dropdowns}-1) {
200 <select name="archipelago<% $dd %>" onchange="ms_Setarch(<% $dd %>)">
201 <option value="none">Whole ocean</option>
202 <% $archlistdata %></select></td>
207 % for my $dd (0..$a{Dropdowns}-1) {
208 <td><select name="islandid<% $dd %>">
209 <% $islandlistdata{'none'} %></select></td>
215 % } #---------- end of dropdowns, now common code ----------
217 <input type=submit name=submit value="Go">
227 <script type="text/javascript">
230 var node= document.getElementById('debug_log');
231 node.innerHTML += "\n" + m + "\n";