ljr/livejournal/cgi-bin/htmlcontrols.pl

366 lines
11 KiB
Perl
Executable File

#!/usr/bin/perl
#
use strict;
# <WCMFUNC>
# name: html_datetime
# class: component
# des:
# info: Parse output later with [func[html_datetime_decode]].
# args:
# des-:
# returns:
# </WCMFUNC>
sub html_datetime
{
my $opts = shift;
my $lang = $opts->{'lang'} || "EN";
my ($yyyy, $mm, $dd, $hh, $nn, $ss);
my $ret;
my $name = $opts->{'name'};
my $disabled = $opts->{'disabled'} ? 1 : 0;
if ($opts->{'default'} =~ /^(\d\d\d\d)-(\d\d)-(\d\d)(?: (\d\d):(\d\d):(\d\d))?/) {
($yyyy, $mm, $dd, $hh, $nn, $ss) = ($1 > 0 ? $1 : "",
$2+0,
$3 > 0 ? $3+0 : "",
$4 > 0 ? $4 : "",
$5 > 0 ? $5 : "",
$6 > 0 ? $6 : "");
}
$ret .= html_select({ 'name' => "${name}_mm", 'selected' => $mm, 'disabled' => $disabled },
map { $_, LJ::Lang::month_long($_) } (1..12));
$ret .= html_text({ 'name' => "${name}_dd", 'size' => '2', 'maxlength' => '2', 'value' => $dd,
'disabled' => $disabled }) . ", ";
$ret .= html_text({ 'name' => "${name}_yyyy", 'size' => '4', 'maxlength' => '4', 'value' => $yyyy,
'disabled' => $disabled });
unless ($opts->{'notime'}) {
$ret .= ' ';
$ret .= html_text({ 'name' => "${name}_hh", 'size' => '2', 'maxlength' => '2', 'value' => $hh,
'disabled' => $disabled }) . ':';
$ret .= html_text({ 'name' => "${name}_nn", 'size' => '2', 'maxlength' => '2', 'value' => $nn,
'disabled' => $disabled });
if ($opts->{'seconds'}) {
$ret .= ':';
$ret .= html_text({ 'name' => "${name}_ss", 'size' => '2', 'maxlength' => '2', 'value' => $ss,
'disabled' => $disabled });
}
}
return $ret;
}
# <WCMFUNC>
# name: html_datetime_decode
# class: component
# des:
# info: Generate the form controls with [func[html_datetime]].
# args:
# des-:
# returns:
# </WCMFUNC>
sub html_datetime_decode
{
my $opts = shift;
my $hash = shift;
my $name = $opts->{'name'};
return sprintf("%04d-%02d-%02d %02d:%02d:%02d",
$hash->{"${name}_yyyy"},
$hash->{"${name}_mm"},
$hash->{"${name}_dd"},
$hash->{"${name}_hh"},
$hash->{"${name}_nn"},
$hash->{"${name}_ss"});
}
# <WCMFUNC>
# name: html_select
# class: component
# des: Creates a drop-down box or listbox HTML form element (the <select> tag).
# info:
# args: opts
# des-opts: A hashref of options. Special options are:
# raw: inserts value unescaped into select tag;
# noescape: won't escape key values if set to 1
# disabled: disables the element;
# multiple: creates a drop-down if 0, a multi-select listbox if 1;
# selected: if multiple, an arrayref of selected values; otherwise, a scalar equalling the selected value;
# All other options will be treated as html attribute/value pairs
# returns: the generated HTML.
# </WCMFUNC>
sub html_select
{
my $opts = shift;
my @items = @_;
my $ehtml = $opts->{'noescape'} ? 0 : 1;
my $ret;
$ret .= "<select";
$ret .= " $opts->{'raw'}" if $opts->{'raw'};
$ret .= " disabled='disabled'" if $opts->{'disabled'};
$ret .= " multiple='multiple'" if $opts->{'multiple'};
foreach (grep { ! /^(raw|disabled|selected|noescape|multiple)$/ } keys %$opts) {
$ret .= " $_=\"" . ($ehtml ? ehtml($opts->{$_}) : $opts->{$_}) . "\"";
}
$ret .= ">";
# build hashref from arrayref if multiple selected
my $selref = { map { $_, 1 } @{$opts->{'selected'}} }
if $opts->{'multiple'} && ref $opts->{'selected'} eq 'ARRAY';
my $did_sel = 0;
while (defined (my $value = shift @items)) {
# items can be either pairs of $value, $text or a list of $it hashrefs (or a mix)
my $it = {};
my $text;
if (ref $value) {
$it = $value;
$value = $it->{value};
$text = $it->{text};
} else {
$text = shift @items;
}
my $sel = "";
# multiple-mode or single-mode?
if (ref $selref eq 'HASH' && $selref->{$value} ||
$opts->{'selected'} eq $value && !$did_sel++) {
$sel = " selected='selected'";
}
$value = $ehtml ? ehtml($value) : $value;
my $id;
if ($opts->{'name'} ne "" && $value ne "") {
$id = " id='$opts->{'name'}_$value'";
}
# is this individual option disabled?
my $dis = $it->{'disabled'} ? " disabled='disabled'" : '';
$ret .= "<option value=\"$value\"$id$sel$dis>" .
($ehtml ? ehtml($text) : $text) . "</option>";
}
$ret .= "</select>";
return $ret;
}
# <WCMFUNC>
# name: html_check
# class: component
# des:
# info:
# args:
# des-:
# returns:
# </WCMFUNC>
sub html_check
{
my $opts = shift;
my $disabled = $opts->{'disabled'} ? " disabled='disabled'" : "";
my $ehtml = $opts->{'noescape'} ? 0 : 1;
my $ret;
if ($opts->{'type'} eq "radio") {
$ret .= "<input type='radio'";
} else {
$ret .= "<input type='checkbox'";
}
if ($opts->{'selected'}) { $ret .= " checked='checked'"; }
if ($opts->{'raw'}) { $ret .= " $opts->{'raw'}"; }
foreach (grep { ! /^(disabled|type|selected|raw|noescape)$/ } keys %$opts) {
$ret .= " $_=\"" . ($ehtml ? ehtml($opts->{$_}) : $opts->{$_}) . "\"";
}
$ret .= "$disabled />";
return $ret;
}
# <WCMFUNC>
# name: html_text
# class: component
# des:
# info:
# args:
# des-:
# returns:
# </WCMFUNC>
sub html_text
{
my $opts = shift;
my $disabled = $opts->{'disabled'} ? " disabled='disabled'" : "";
my $ehtml = $opts->{'noescape'} ? 0 : 1;
my $type = $opts->{'type'} eq 'password' ? 'password' : 'text';
my $ret;
$ret .= "<input type=\"$type\"";
foreach (grep { ! /^(type|disabled|raw|noescape)$/ } keys %$opts) {
$ret .= " $_=\"" . ($ehtml ? ehtml($opts->{$_}) : $opts->{$_}) . "\"";
}
if ($opts->{'raw'}) { $ret .= " $opts->{'raw'}"; }
$ret .= "$disabled />";
return $ret;
}
# <WCMFUNC>
# name: html_textarea
# class: component
# des:
# info:
# args:
# des-:
# returns:
# </WCMFUNC>
sub html_textarea
{
my $opts = shift;
my $disabled = $opts->{'disabled'} ? " disabled='disabled'" : "";
my $ehtml = $opts->{'noescape'} ? 0 : 1;
my $ret;
$ret .= "<textarea";
foreach (grep { ! /^(disabled|raw|value|noescape)$/ } keys %$opts) {
$ret .= " $_=\"" . ($ehtml ? ehtml($opts->{$_}) : $opts->{$_}) . "\"";
}
if ($opts->{'raw'}) { $ret .= " $opts->{'raw'}"; }
$ret .= "$disabled>" . ($ehtml ? ehtml($opts->{'value'}) : $opts->{'value'}) . "</textarea>";
return $ret;
}
# <WCMFUNC>
# name: html_color
# class: component
# des: A text field with attached color preview and button to choose a color
# info: Depends on the client-side Color Picker
# args:
# des-:
# returns:
# </WCMFUNC>
sub html_color
{
my $opts = shift;
my $htmlname = ehtml($opts->{'name'});
my $des = ehtml($opts->{'des'}) || "Pick a Color";
my $ret;
## Output the preview box and picker button with script so that
## they don't appear when JavaScript is unavailable.
$ret .= "<script language=\"JavaScript\"><!--\n".
"document.write('<span style=\"border: 1px solid #000000; ".
"padding-left: 2em; background-color: " . ehtml($opts->{'default'}) . ";\" ".
"id=\"${htmlname}_disp\">&nbsp;</span>'); ".
"\n--></script>\n";
# 'onchange' argument happens when color picker button is clicked,
# or when focus is changed to text box
$ret .= html_text({ 'size' => 8, 'maxlength' => 7, 'name' => $htmlname, 'id' => $htmlname,
'onchange' => "setBGColor(findel('${htmlname}_disp'),${htmlname}.value);",
'onfocus' => $opts->{'onchange'},
'disabled' => $opts->{'disabled'}, 'value' => $opts->{'default'},
'noescape' => 1, 'raw' => $opts->{'raw'},
});
my $disabled = $opts->{'disabled'} ? "disabled=\'disabled\'" : '';
$ret .= "<script language=\"JavaScript\"><!--\n".
"document.write('<button ".
"onclick=\"spawnPicker(findel(\\'${htmlname}\\')," .
"findel(\\'${htmlname}_disp\\'),\\'$des\\'); " .
LJ::ejs($opts->{'onchange'}) .
" return false;\"$disabled>Choose...</button>'); ".
"\n--></script>\n";
# A little help for the non-JavaScript folks
$ret .= "<noscript> (#<var>rr</var><var>gg</var><var>bb</var>)</noscript>";
return $ret;
}
# <WCMFUNC>
# name: html_hidden
# class: component
# des: Makes the HTML for a hidden form element
# args: name, val
# des-name: Name of form element (will be HTML escaped)
# des-val: Value of form element (will be HTML escaped)
# returns: HTML
# </WCMFUNC>
sub html_hidden
{
my $ret;
while (@_) {
my $name = shift;
my $val;
my $ehtml = 1;
my $extra;
if (ref $name eq 'HASH') {
my $opts = $name;
$val = $opts->{value};
$name = $opts->{name};
$ehtml = $opts->{'noescape'} ? 0 : 1;
foreach (grep { ! /^(name|value|raw|noescape)$/ } keys %$opts) {
$extra .= " $_=\"" . ($ehtml ? ehtml($opts->{$_}) : $opts->{$_}) . "\"";
}
$extra .= " $opts->{'raw'}" if $opts->{'raw'};
} else {
$val = shift;
}
$ret .= "<input type='hidden'";
# allow override of these in 'raw'
$ret .= " name=\"" . ($ehtml ? ehtml($name) : $name) . "\"" if $name;
$ret .= " value=\"" . ($ehtml ? ehtml($val) : $val) . "\"" if defined $val;
$ret .= "$extra />";
}
return $ret;
}
# <WCMFUNC>
# name: html_submit
# class: component
# des: Makes the HTML for a submit button
# args: name, val, opts?
# des-name: Name of form element (will be HTML escaped)
# des-val: Value of form element, and label of button (will be HTML escaped)
# des-opts: Optional hashref of additional tag attributes
# returns: HTML
# </WCMFUNC>
sub html_submit
{
my ($name, $val, $opts) = @_;
# if one argument, assume (undef, $val)
if (@_ == 1) {
$val = $name;
$name = undef;
}
my ($eopts, $disabled, $raw);
my $type = 'submit';
my $ehtml;
if ($opts && ref $opts eq 'HASH') {
$disabled = " disabled='disabled'" if $opts->{'disabled'};
$raw = " $opts->{'raw'}" if $opts->{'raw'};
$type = 'reset' if $opts->{'type'} eq 'reset';
$ehtml = $opts->{'noescape'} ? 0 : 1;
foreach (grep { ! /^(raw|disabled|noescape|type)$/ } keys %$opts) {
$eopts .= " $_=\"" . ($ehtml ? ehtml($opts->{$_}) : $opts->{$_}) . "\"";
}
}
my $ret = "<input type='$type'";
# allow override of these in 'raw'
$ret .= " name=\"" . ($ehtml ? ehtml($name) : $name) . "\"" if $name;
$ret .= " value=\"" . ($ehtml ? ehtml($val) : $val) . "\"" if defined $val;
$ret .= "$eopts$raw$disabled />";
return $ret;
}
1;