friendica/addon/convert/convert.php

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<?php
2011-06-14 15:08:03 +02:00
/**
* Name: Converter App
* Description: Unit converter application
* Version: 1.0
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
*/
function convert_install() {
register_hook('app_menu', 'addon/convert/convert.php', 'convert_app_menu');
}
function convert_uninstall() {
unregister_hook('app_menu', 'addon/convert/convert.php', 'convert_app_menu');
}
function convert_app_menu($a,&$b) {
$b['app_menu'][] = Array('url'=>'convert', 'name'=>'Units Conversion');
}
function convert_module() {}
function convert_content($app) {
include("UnitConvertor.php");
class TP_Converter extends UnitConvertor {
function TP_Converter($lang = "en")
{
if ($lang != 'en' ) {
$dec_point = '.'; $thousand_sep = "'";
} else {
$dec_point = '.'; $thousand_sep = ",";
}
$this->UnitConvertor($dec_point , $thousand_sep );
} // end func UnitConvertor
function find_base_unit($from,$to) {
while (list($skey,$sval) = each($this->bases)) {
if ($skey == $from || $to == $skey || in_array($to,$sval) || in_array($from,$sval)) {
return $skey;
}
}
return false;
}
function getTable($value, $from_unit, $to_unit, $precision) {
if ($base_unit = $this->find_base_unit($from_unit,$to_unit)) {
// A baseunit was found now lets convert from -> $base_unit
$cell ['value'] = $this->convert($value, $from_unit, $base_unit, $precision)." ".$base_unit;
$cell ['class'] = ($base_unit == $from_unit || $base_unit == $to_unit) ? "framedred": "";
$cells[] = $cell;
// We now have the base unit and value now lets produce the table;
while (list($key,$val) = each($this->bases[$base_unit])) {
$cell ['value'] = $this->convert($value, $from_unit, $val, $precision)." ".$val;
$cell ['class'] = ($val == $from_unit || $val == $to_unit) ? "framedred": "";
$cells[] = $cell;
}
$cc = count($cells);
$string = "<table class=\"framed grayish\" border=\"1\" cellpadding=\"5\" width=\"80%\" align=\"center\"><tr>";
$string .= "<td rowspan=\"$cc\" align=\"center\">$value $from_unit</td>";
$i=0;
foreach ($cells as $cell) {
if ($i==0) {
$string .= "<td class=\"".$cell['class']."\">".$cell['value']."</td>";
$i++;
} else {
$string .= "</tr><tr><td class=\"".$cell['class']."\">".$cell['value']."</td>";
}
}
$string .= "</tr></table>";
return $string;
}
}
}
$conv = new TP_Converter('en');
$conversions = array(
'Temperature'=>array('base' =>'Celsius',
'conv'=>array(
'Fahrenheit'=>array('ratio'=>1.8, 'offset'=>32),
'Kelvin'=>array('ratio'=>1, 'offset'=>273),
'Reaumur'=>0.8
)
),
'Weight' => array('base' =>'kg',
'conv'=>array(
'g'=>1000,
'mg'=>1000000,
't'=>0.001,
'grain'=>15432,
'oz'=>35.274,
'lb'=>2.2046,
'cwt(UK)' => 0.019684,
'cwt(US)' => 0.022046,
'ton (US)' => 0.0011023,
'ton (UK)' => 0.0009842
)
),
'Distance' => array('base' =>'km',
'conv'=>array(
'm'=>1000,
'dm'=>10000,
'cm'=>100000,
'mm'=>1000000,
'mile'=>0.62137,
'naut.mile'=>0.53996,
'inch(es)'=>39370,
'ft'=>3280.8,
'yd'=>1093.6,
'furlong'=>4.970969537898672,
'fathom'=>546.8066491688539
)
),
'Area' => array('base' =>'km 2',
'conv'=>array(
'ha'=>100,
'acre'=>247.105,
'm 2'=>pow(1000,2),
'dm 2'=>pow(10000,2),
'cm 2'=>pow(100000,2),
'mm 2'=>pow(1000000,2),
'mile 2'=>pow(0.62137,2),
'naut.miles 2'=>pow(0.53996,2),
'in 2'=>pow(39370,2),
'ft 2'=>pow(3280.8,2),
'yd 2'=>pow(1093.6,2),
)
),
'Volume' => array('base' =>'m 3',
'conv'=>array(
'in 3'=>61023.6,
'ft 3'=>35.315,
'cm 3'=>pow(10,6),
'dm 3'=>1000,
'litre'=>1000,
'hl'=>10,
'yd 3'=>1.30795,
'gal(US)'=>264.172,
'gal(UK)'=>219.969,
'pint' => 2113.376,
'quart' => 1056.688,
'cup' => 4266.753,
'fl oz' => 33814.02,
'tablespoon' => 67628.04,
'teaspoon' => 202884.1,
'pt (UK)'=>1000/0.56826,
'barrel petroleum'=>1000/158.99,
'Register Tons'=>2.832,
'Ocean Tons'=>1.1327
)
),
'Speed' =>array('base' =>'kmph',
'conv'=>array(
'mps'=>0.0001726031,
'milesph'=>0.62137,
'knots'=>0.53996,
'mach STP'=>0.0008380431,
'c (warp)'=>9.265669e-10
)
)
);
while (list($key,$val) = each($conversions)) {
$conv->addConversion($val['base'], $val['conv']);
$list[$key][] = $val['base'];
while (list($ukey,$uval) = each($val['conv'])) {
$list[$key][] = $ukey;
}
}
$o .= '<h3>Unit Conversions</h3>';
if (isset($_POST['from_unit']) && isset($_POST['value'])) {
$_POST['value'] = $_POST['value'] + 0;
$o .= ($conv->getTable($_POST['value'], $_POST['from_unit'], $_POST['to_unit'], 5))."</p>";
} else {
$o .= "<p>Select:</p>";
}
if(isset($_POST['value']))
$value = $_POST['value'];
else
$value = '';
$o .= '<form action="convert" method="post" name="conversion">';
$o .= '<input name="value" type="text" id="value" value="' . $value . '" size="10" maxlength="10" />';
$o .= '<select name="from_unit" size="12">';
reset($list);
while(list($key,$val) = each($list)) {
$o .= "\n\t<optgroup label=\"$key\">";
while(list($ukey,$uval) = each($val)) {
$selected = (($uval == $_POST['from_unit']) ? ' selected="selected" ' : '');
$o .= "\n\t\t<option value=\"$uval\" $selected >$uval</option>";
}
$o .= "\n\t</optgroup>";
}
$o .= '</select>';
$o .= '<input type="submit" name="Submit" value="Submit" /></form>';
return $o;
}