convert/convert.php

   1 <?php\r
   2 /**\r
   3  * Name: Converter App\r
   4  * Description: Unit converter application\r
   5  * Version: 1.0\r
   6  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>\r
   7  */\r
   8 use Friendica\Core\Addon;\r
   9 \r
  10 function convert_install() {\r
  11         Addon::registerHook('app_menu', 'addon/convert/convert.php', 'convert_app_menu');\r
  12 }\r
  13 \r
  14 function convert_uninstall() {\r
  15         Addon::unregisterHook('app_menu', 'addon/convert/convert.php', 'convert_app_menu');\r
  16 }\r
  17 \r
  18 function convert_app_menu($a,&$b) {\r
  19         $b['app_menu'][] = '<div class="app-title"><a href="convert">Units Conversion</a></div>';\r
  20 }\r
  21 \r
  22 \r
  23 function convert_module() {}\r
  24 \r
  25 \r
  26 \r
  27 \r
  28 \r
  29 \r
  30 \r
  31 function convert_content($app) {\r
  32 \r
  33 include("UnitConvertor.php");\r
  34 \r
  35  class TP_Converter extends UnitConvertor {\r
  36         function TP_Converter($lang = "en")\r
  37         {\r
  38                 if ($lang != 'en' ) {\r
  39                         $dec_point = '.'; $thousand_sep = "'";\r
  40                 } else {\r
  41                         $dec_point = '.'; $thousand_sep = ",";\r
  42                 }\r
  43 \r
  44                 $this->UnitConvertor($dec_point , $thousand_sep );\r
  45 \r
  46         } // end func UnitConvertor\r
  47 \r
  48         function find_base_unit($from,$to) {\r
  49                 while (list($skey,$sval) = each($this->bases)) {\r
  50                                 if ($skey == $from || $to == $skey || in_array($to,$sval) || in_array($from,$sval)) {\r
  51                                         return $skey;\r
  52                                 }\r
  53                 }\r
  54                 return false;\r
  55         }\r
  56 \r
  57         function getTable($value, $from_unit, $to_unit, $precision) {\r
  58 \r
  59                 if ($base_unit = $this->find_base_unit($from_unit,$to_unit)) {\r
  60 \r
  61                         // A baseunit was found now lets convert from -> $base_unit\r
  62 \r
  63                                 $cell ['value'] = $this->convert($value, $from_unit, $base_unit, $precision)." ".$base_unit;\r
  64                                 $cell ['class'] = ($base_unit == $from_unit || $base_unit == $to_unit) ? "framedred": "";\r
  65                                 $cells[] = $cell;\r
  66                         // We now have the base unit and value now lets produce the table;\r
  67                         while (list($key,$val) = each($this->bases[$base_unit])) {\r
  68                                 $cell ['value'] = $this->convert($value, $from_unit, $val, $precision)." ".$val;\r
  69                                 $cell ['class'] = ($val == $from_unit || $val == $to_unit) ? "framedred": "";\r
  70                                 $cells[] = $cell;\r
  71                         }\r
  72 \r
  73                         $cc = count($cells);\r
  74                         $string = "<table class=\"framed grayish\" border=\"1\" cellpadding=\"5\" width=\"80%\" align=\"center\"><tr>";\r
  75                         $string .= "<td rowspan=\"$cc\" align=\"center\">$value $from_unit</td>";\r
  76                         $i=0;\r
  77                         foreach ($cells as $cell) {\r
  78                                 if ($i==0) {\r
  79                                         $string .= "<td class=\"".$cell['class']."\">".$cell['value']."</td>";\r
  80                                         $i++;\r
  81                                 } else {\r
  82                                         $string .= "</tr><tr><td class=\"".$cell['class']."\">".$cell['value']."</td>";\r
  83                                 }\r
  84                         }\r
  85                         $string .= "</tr></table>";\r
  86                         return $string;\r
  87                 }\r
  88 \r
  89         }\r
  90 }\r
  91 \r
  92 \r
  93 $conv = new TP_Converter('en');\r
  94 \r
  95 \r
  96 $conversions = [\r
  97         'Temperature'=>['base' =>'Celsius',\r
  98                 'conv'=>[\r
  99                         'Fahrenheit'=>['ratio'=>1.8, 'offset'=>32],\r
 100                         'Kelvin'=>['ratio'=>1, 'offset'=>273],\r
 101                         'Reaumur'=>0.8\r
 102                 ]\r
 103         ],\r
 104         'Weight' => ['base' =>'kg',\r
 105                 'conv'=>[\r
 106                         'g'=>1000,\r
 107                         'mg'=>1000000,\r
 108                         't'=>0.001,\r
 109                         'grain'=>15432,\r
 110                         'oz'=>35.274,\r
 111                         'lb'=>2.2046,\r
 112                         'cwt(UK)'       => 0.019684,\r
 113                         'cwt(US)'       => 0.022046,\r
 114                         'ton (US)'      => 0.0011023,\r
 115                         'ton (UK)'      => 0.0009842\r
 116                 ]\r
 117         ],\r
 118         'Distance' => ['base' =>'km',\r
 119                 'conv'=>[\r
 120                         'm'=>1000,\r
 121                         'dm'=>10000,\r
 122                         'cm'=>100000,\r
 123                         'mm'=>1000000,\r
 124                         'mile'=>0.62137,\r
 125                         'naut.mile'=>0.53996,\r
 126                         'inch(es)'=>39370,\r
 127                         'ft'=>3280.8,\r
 128                         'yd'=>1093.6,\r
 129                         'furlong'=>4.970969537898672,\r
 130                         'fathom'=>546.8066491688539\r
 131                 ]\r
 132         ],\r
 133         'Area' => ['base' =>'km 2',\r
 134                 'conv'=>[\r
 135                         'ha'=>100,\r
 136                         'acre'=>247.105,\r
 137                         'm 2'=>pow(1000,2),\r
 138                         'dm 2'=>pow(10000,2),\r
 139                         'cm 2'=>pow(100000,2),\r
 140                         'mm 2'=>pow(1000000,2),\r
 141                         'mile 2'=>pow(0.62137,2),\r
 142                         'naut.miles 2'=>pow(0.53996,2),\r
 143                         'in 2'=>pow(39370,2),\r
 144                         'ft 2'=>pow(3280.8,2),\r
 145                         'yd 2'=>pow(1093.6,2),\r
 146                 ]\r
 147         ],\r
 148         'Volume' => ['base' =>'m 3',\r
 149                 'conv'=>[\r
 150                         'in 3'=>61023.6,\r
 151                         'ft 3'=>35.315,\r
 152                         'cm 3'=>pow(10,6),\r
 153                         'dm 3'=>1000,\r
 154                         'litre'=>1000,\r
 155                         'hl'=>10,\r
 156                         'yd 3'=>1.30795,\r
 157                         'gal(US)'=>264.172,\r
 158                         'gal(UK)'=>219.969,\r
 159                         'pint' => 2113.376,\r
 160                         'quart' => 1056.688,\r
 161                         'cup' => 4266.753,\r
 162                         'fl oz' => 33814.02,\r
 163                         'tablespoon' => 67628.04,\r
 164                         'teaspoon' => 202884.1,\r
 165                         'pt (UK)'=>1000/0.56826,\r
 166                         'barrel petroleum'=>1000/158.99,\r
 167                         'Register Tons'=>2.832,\r
 168                         'Ocean Tons'=>1.1327\r
 169                 ]\r
 170         ],\r
 171         'Speed' =>['base' =>'kmph',\r
 172                 'conv'=>[\r
 173                         'mps'=>0.0001726031,\r
 174                         'milesph'=>0.62137,\r
 175                         'knots'=>0.53996,\r
 176                         'mach STP'=>0.0008380431,\r
 177                         'c (warp)'=>9.265669e-10\r
 178                 ]\r
 179         ]\r
 180 ];\r
 181 \r
 182 \r
 183 while (list($key,$val) = each($conversions)) {\r
 184         $conv->addConversion($val['base'], $val['conv']);\r
 185         $list[$key][] = $val['base'];\r
 186         while (list($ukey,$uval) = each($val['conv'])) {\r
 187                 $list[$key][] = $ukey;\r
 188         }\r
 189 }\r
 190 \r
 191   $o .= '<h3>Unit Conversions</h3>';\r
 192 \r
 193 \r
 194         if (isset($_POST['from_unit']) && isset($_POST['value'])) {\r
 195         $_POST['value'] = $_POST['value'] + 0;\r
 196 \r
 197 \r
 198                 $o .= ($conv->getTable($_POST['value'], $_POST['from_unit'], $_POST['to_unit'], 5))."</p>";\r
 199         } else {\r
 200                 $o .= "<p>Select:</p>";\r
 201         }\r
 202 \r
 203         if(isset($_POST['value']))\r
 204                 $value = $_POST['value'];\r
 205         else\r
 206                 $value = '';\r
 207 \r
 208         $o .= '<form action="convert" method="post" name="conversion">';\r
 209     $o .= '<input name="value" type="text" id="value" value="' . $value . '" size="10" maxlength="10" />';\r
 210     $o .= '<select name="from_unit" size="12">';\r
 211 \r
 212 \r
 213 \r
 214         reset($list);\r
 215         while(list($key,$val) = each($list)) {\r
 216                 $o .=  "\n\t<optgroup label=\"$key\">";\r
 217                 while(list($ukey,$uval) = each($val)) {\r
 218                         $selected = (($uval == $_POST['from_unit']) ? ' selected="selected" ' : '');\r
 219                         $o .=  "\n\t\t<option value=\"$uval\" $selected >$uval</option>";\r
 220                 }\r
 221                 $o .= "\n\t</optgroup>";\r
 222         }\r
 223 \r
 224         $o .= '</select>';\r
 225 \r
 226     $o .= '<input type="submit" name="Submit" value="Submit" /></form>';\r
 227 \r
 228         return $o;\r
 229 }\r