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<%doc>
Example:
include( '/elements/city.html',
#recommended
country => $current_country,
state => $current_state,
county => $current_county,
city => $current_city,
#optional
prefix => $optional_unique_prefix,
onchange => $javascript,
disabled => 0, #bool
# disable_empty => 1, #defaults to 1, disable the empty option
# empty_label => 'all', #label for empty option
style => [ 'attribute:value', 'another:value' ],
);
</%doc>
<% include('/elements/xmlhttp.html',
'url' => $p.'misc/cities.cgi',
'subs' => [ $pre. 'get_cities' ],
)
%>
<SCRIPT TYPE="text/javascript">
function opt(what,value,text) {
var optionName = new Option(text, value, false, false);
var length = what.length;
what.options[length] = optionName;
}
var saved_<%$pre%>city= '<% $saved_city |h %>';
function <% $pre %>county_changed(what, callback) {
county = what.options[what.selectedIndex].value;
state = what.form.<% $pre %>state.options[what.form.<% $pre %>state.selectedIndex].value;
country = what.form.<% $pre %>country.options[what.form.<% $pre %>country.selectedIndex].value;
function <% $pre %>update_cities(cities) {
// blank the current city list
for ( var i = what.form.<% $pre %>city_select.length; i >= 0; i-- )
what.form.<% $pre %>city_select.options[i] = null;
// add the new cities
var citiesArray = eval('(' + cities + ')' );
for ( var s = 0; s < citiesArray.length; s++ ) {
var cityLabel = citiesArray[s];
if ( cityLabel == "" )
cityLabel = '(n/a)';
opt(what.form.<% $pre %>city_select, citiesArray[s], cityLabel);
}
if ( citiesArray.length > 1 || citiesArray[0].length ) {
// turn off the text city, turn on the select
saved_<%$pre%>city = what.form.<%$ pre %>city.value;
<%$pre%>city_select_changed(what.form.<% $pre %>city_select);
what.form.<% $pre %>city.style.display = 'none';
what.form.<% $pre %>city_select.style.display = '';
} else {
// turn on the text city, turn off the select
what.form.<%$ pre %>city.value = saved_<%$pre%>city;
what.form.<% $pre %>city.style.display = '';
what.form.<% $pre %>city_select.style.display = 'none';
}
//run the callback
if ( callback != null )
callback();
}
// go get the new cities
<% $pre %>get_cities( county, state, country, <% $pre %>update_cities );
}
function <%$pre%>city_select_changed(what) {
what.form.<%$pre%>city.value = what.options[what.selectedIndex].value;
}
</SCRIPT>
<INPUT TYPE = "text"
NAME = "<%$pre%>city"
ID = "<%$pre%>city"
VALUE = "<% $opt{'city'} |h %>"
onChange = "<% $opt{'onchange'} %>"
<% $opt{'disabled'} %>
<% $text_style %>
>
<SELECT NAME = "<%$pre%>city_select"
ID = "<%$pre%>city_select"
onChange = "<%$pre%>city_select_changed(this); <% $opt{'onchange'} %>"
<% $opt{'disabled'} %>
<% $select_style %>
>
% foreach my $city ( @cities ) {
<OPTION VALUE="<% $city |h %>"
<% $city eq $opt{'city'} ? 'SELECTED' : '' %>
><% $city eq $opt{'empty_data_value'} ? $opt{'empty_data_label'} : $city %>
% }
</SELECT>
%# VALUE = "<% $curr_value |h %>"
<%init>
my %opt = @_;
my $pre = $opt{'prefix'};
my $text_style = $opt{'style'} ? [ @{ $opt{'style'} } ] : [];
my $select_style = $opt{'style'} ? [ @{ $opt{'style'} } ] : [];
my @cities = cities( $opt{'county'}, $opt{'state'}, $opt{'country'} );
my $saved_city = '';
if ( scalar(@cities) > 1 || $cities[0] ) {
push @$text_style, 'display:none';
} else {
push @$select_style, 'display:none';
$saved_city = $opt{'city'};
}
$text_style =
scalar(@$text_style)
? 'STYLE="'. join(';', @$text_style). '"'
: '';
$select_style =
scalar(@$select_style)
? 'STYLE="'. join(';', @$select_style). '"'
: '';
</%init>
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