src/view/form/control/AphrontFormSelectControl.php

   1 <?php
   2
   3 final class AphrontFormSelectControl extends AphrontFormControl {
   4
   5   protected function getCustomControlClass() {
   6     return 'aphront-form-control-select';
   7   }
   8
   9   private $options;
  10   private $disabledOptions = array();
  11
  12   public function setOptions(array $options) {
  13     $this->options = $options;
  14     return $this;
  15   }
  16
  17   public function getOptions() {
  18     return $this->options;
  19   }
  20
  21   public function setDisabledOptions(array $disabled) {
  22     $this->disabledOptions = $disabled;
  23     return $this;
  24   }
  25
  26   protected function renderInput() {
  27     return self::renderSelectTag(
  28       $this->getValue(),
  29       $this->getOptions(),
  30       array(
  31         'name'      => $this->getName(),
  32         'disabled'  => $this->getDisabled() ? 'disabled' : null,
  33         'id'        => $this->getID(),
  34       ),
  35       $this->disabledOptions);
  36   }
  37
  38   public static function renderSelectTag(
  39     $selected,
  40     array $options,
  41     array $attrs = array(),
  42     array $disabled = array()) {
  43
  44     $option_tags = self::renderOptions($selected, $options, $disabled);
  45
  46     return javelin_tag(
  47       'select',
  48       $attrs,
  49       $option_tags);
  50   }
  51
  52   private static function renderOptions(
  53     $selected,
  54     array $options,
  55     array $disabled = array()) {
  56     $disabled = array_fuse($disabled);
  57
  58     $tags = array();
  59     $already_selected = false;
  60     foreach ($options as $value => $thing) {
  61       if (is_array($thing)) {
  62         $tags[] = phutil_tag(
  63           'optgroup',
  64           array(
  65             'label' => $value,
  66           ),
  67           self::renderOptions($selected, $thing));
  68       } else {
  69         // When there are a list of options including similar values like
  70         // "0" and "" (the empty string), only select the first matching
  71         // value. Ideally this should be more precise about matching, but we
  72         // have 2,000 of these controls at this point so hold that for a
  73         // broader rewrite.
  74         if (!$already_selected && ($value == $selected)) {
  75           $is_selected = 'selected';
  76           $already_selected = true;
  77         } else {
  78           $is_selected = null;
  79         }
  80
  81         $tags[] = phutil_tag(
  82           'option',
  83           array(
  84             'selected' => $is_selected,
  85             'value'    => $value,
  86             'disabled' => isset($disabled[$value]) ? 'disabled' : null,
  87           ),
  88           $thing);
  89       }
  90     }
  91     return $tags;
  92   }
  93
  94 }