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// classes for different kinds of preferences. See prefs.inc
abstract class PREF {
public $desc;
public $tag; // the pref's primary XML tag
function __construct($desc, $tag) {
$this->desc = $desc;
$this->tag = $tag;
}
abstract function show_value($prefs);
abstract function show_form($prefs, $error);
abstract function parse_form(&$prefs, &$error);
abstract function xml_string($prefs);
abstract function xml_parse(&$prefs, $name, $text);
abstract function set_default(&$prefs);
// multi-column display (read only)
//
function show_cols($prefs) {
global $venues;
echo "$this->desc ";
$tag = $this->tag;
if (isset($prefs->$tag)) {
$this->show_value($prefs);
} else {
echo "--- ";
}
foreach ($venues as $v) {
if (isset($prefs->$v) && isset($prefs->$v->$tag)) {
$this->show_value($prefs->$v);
} else {
echo "--- ";
}
}
echo "$this->desc ";
$tag = $this->tag;
if (isset($prefs->$tag)) {
$this->show_value($prefs);
} else {
echo "--- ";
}
echo "$this->desc ";
$this->show_form($prefs, $error);
echo "$x ";
}
function show_form($prefs, $error) {
$tag = $this->tag;
if ($this->invert) {
$checked = !$prefs->$tag;
} else {
$checked = $prefs->$tag;
}
echo ""
."
";
}
function parse_form(&$prefs, &$error) {
$tag = $this->tag;
$val = array_key_exists($tag, $_GET);
if ($this->invert) $val = !$val;
$prefs->$tag = $val;
}
function xml_string($prefs) {
$tag = $this->tag;
return "<$tag>"
.($prefs->$tag?"1":"0")
."\n";
}
function xml_parse(&$prefs, $name, $text) {
$tag = $this->tag;
if ($name != $tag) return false;
$val = (trim($text) != '0');
$prefs->$tag = $val;
return true;
}
function set_default(&$prefs) {
$tag = $this->tag;
$prefs->$tag = $this->default;
}
}
class NUM_SPEC {
public $suffix;
public $min;
public $max;
public $default;
public $scale;
function __construct($suffix, $min, $max, $default, $scale=1) {
if (substr($suffix, 0, 1) == "%") {
$this->suffix = $suffix;
} else {
$this->suffix = " $suffix";
}
$this->min = $min;
$this->max = $max;
$this->default = $default;
$this->scale = $scale;
}
function value_str($v) {
$v /= $this->scale;
if ($v == 0) {
$v = "--- ";
}
$v .= "$this->suffix ";
return $v;
}
function form_str($tag, $v) {
if (is_numeric($v)) {
$v /= $this->scale;
if ($v == 0) $v = "";
}
return "".$this->num_spec->value_str($prefs->$tag)." ";
}
function show_form($prefs, $error) {
$tag = $this->tag;
$class = isset($error->$tag)?"fieldvalue_error":"fieldvalue";
echo ""
.$this->num_spec->form_str($tag, $prefs->$tag)
."
";
}
function parse_form(&$prefs, &$error) {
$tag = $this->tag;
$this->num_spec->form_convert($_GET[$tag], $prefs->$tag, $e);
if ($e) $error->$tag = true;
}
function xml_string($prefs) {
$tag = $this->tag;
$v = $prefs->$tag;
return "<$tag>$v\n";
}
function xml_parse(&$prefs, $name, $text) {
$tag = $this->tag;
if ($name != $tag) return false;
$prefs->$tag = $text;
return true;
}
function set_default(&$prefs) {
$tag = $this->tag;
$prefs->$tag = $this->num_spec->default;
}
}
class PREF_NUM2 extends PREF {
public $tag2;
public $num_spec1, $num_spec2;
function __construct($desc, $tag1, $tag2, $num_spec1, $num_spec2) {
$this->tag2 = $tag2;
$this->num_spec1 = $num_spec1;
$this->num_spec2 = $num_spec2;
parent::__construct($desc, $tag1);
}
function show_value($prefs) {
$tag = $this->tag;
$tag2 = $this->tag2;
echo ""
.$this->num_spec1->value_str($prefs->$tag)
.$this->num_spec2->value_str($prefs->$tag2)
." ";
}
function show_form($prefs, $error) {
$tag = $this->tag;
$tag2 = $this->tag2;
$class = (isset($error->$tag) || isset($error->$tag2))?"fieldvalue_error":"fieldvalue";
echo ""
.$this->num_spec1->form_str($tag, $prefs->$tag)
.$this->num_spec2->form_str($tag2, $prefs->$tag2)
."
";
}
function parse_form(&$prefs, &$error) {
$tag = $this->tag;
$tag2 = $this->tag2;
$this->num_spec1->form_convert($_GET[$tag], $prefs->$tag, $e);
if ($e) $error->$tag = true;
$this->num_spec2->form_convert($_GET[$tag2], $prefs->$tag2, $e);
if ($e) $error->$tag2 = $e;
}
function xml_string($prefs) {
$tag = $this->tag;
$tag2 = $this->tag2;
return "<$tag>".$prefs->$tag."\n<$tag2>".$prefs->$tag2."\n";
}
function xml_parse(&$prefs, $name, $text) {
$tag = $this->tag;
$tag2 = $this->tag2;
if ($name == $tag) {
$prefs->$tag = $text;
} else if ($name == $tag2) {
$prefs->$tag2 = $text;
}
return false;
}
function set_default(&$prefs) {
$tag = $this->tag;
$tag2 = $this->tag2;
$prefs->$tag = $this->num_spec1->default;
$prefs->$tag2 = $this->num_spec2->default;
}
}
function hour_select($x, $name) {
$s = "";
$s = $s. "\n";
for ($i=0; $i<24; $i++) {
$sel = ($x == $i)?"selected":"";
$s = $s." $i:00";
}
$s = $s." \n";
return $s;
}
class PREF_HOUR_RANGE extends PREF {
public $tag2;
function __construct($desc, $tag, $tag2) {
$this->tag2 = $tag2;
parent::__construct($desc, $tag);
}
function show_value($prefs) {
$tag = $this->tag;
$tag2 = $this->tag2;
$h1 = $prefs->$tag;
$h2 = $prefs->$tag2;
if ($h1 == $h2) {
$v = "---";
} else {
$v = "$h1:00 ".tra("and")." $h2:00";
}
echo "$v ";
}
function show_form($prefs, $error) {
$tag = $this->tag;
$tag2 = $this->tag2;
echo ""
.hour_select($prefs->$tag, $tag)
." "
.tra("and")
." "
.hour_select($prefs->$tag2, $tag2)
."
";
}
function parse_form(&$prefs, &$error) {
$tag = $this->tag;
$tag2 = $this->tag2;
$prefs->$tag = $_GET[$tag];
$prefs->$tag2 = $_GET[$tag2];
}
function xml_string($prefs) {
$tag = $this->tag;
$tag2 = $this->tag2;
$h1 = $prefs->$tag;
$h2 = $prefs->$tag2;
if ($h1 == $h2) return "";
return "<$tag>$h1\n<$tag2>$h2\n";
}
function xml_parse(&$prefs, $name, $text) {
$tag = $this->tag;
$tag2 = $this->tag2;
if ($name == $tag) {
$prefs->$tag = $text;
return true;
} else if ($name == $tag2) {
$prefs->$tag2 = $text;
return true;
}
return false;
}
function set_default(&$prefs) {
$tag = $this->tag;
$tag2 = $this->tag2;
$prefs->$tag = 0;
$prefs->$tag2 = 0;
}
}
?>