lib/class.form_select.php

   1 <?php
   2 // $Id$
   3
   4 class form_select
   5 {
   6         public $name;
   7         public $indent;
   8         public $default;
   9         public $attributes;
  10         private $values = array();
  11
  12         function __construct($name, $indent = 0, $default = null, $attributes = array())
  13         {
  14                 $this->name = $name;
  15                 $this->indent = $indent;
  16                 $this->default = $default;
  17                 $this->attributes = $attributes;
  18         }
  19
  20         function add_item($value, $name = '')
  21         {
  22                 if ( !$name )
  23                         $name = $value;
  24                 $this->values[$value] = $name;
  25         }
  26
  27         function set_default($value)
  28         {
  29                 $this->default = $value;
  30         }
  31
  32         function check_value(&$value)
  33         {
  34                 if ( !isset($value) || !isset($this->values[$value]) )
  35                         throw new OutOfBoundsException('Bad value given for selectbox "'.$this->name.'": '.$value);
  36         }
  37
  38         function display()
  39         {
  40                 $t = str_repeat("\t", $this->indent);
  41
  42                 $out = "\n$t".'<select name="'.$this->name.'"';
  43                 foreach ( $this->attributes as $name => $value )
  44                         $out .= ' '.$name.'="'.$value.'"';
  45                 $out .= ">\n";
  46                 foreach ( $this->values as $value => $name )
  47                         $out .= "$t\t".'<option value="'.$value.'"'.( $value == $this->default ? ' selected="selected"' : '' ).'>'.$name."</option>\n";
  48                 $out .= "$t</select>\n";
  49
  50                 return $out;
  51         }
  52 }
  53 ?>