Implement a "select" standard custom field type

Summary: See D7006, etc. Brings this from Maniphest.

Test Plan: See screenshots.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D7007

src/__phutil_library_map__.php

@@ -1639,6 +1639,7 @@ phutil_register_library_map(array(
     'PhabricatorStandardCustomFieldBool' => 'infrastructure/customfield/standard/PhabricatorStandardCustomFieldBool.php',
     'PhabricatorStandardCustomFieldInt' => 'infrastructure/customfield/standard/PhabricatorStandardCustomFieldInt.php',
     'PhabricatorStandardCustomFieldInterface' => 'infrastructure/customfield/interface/PhabricatorStandardCustomFieldInterface.php',
+    'PhabricatorStandardCustomFieldSelect' => 'infrastructure/customfield/standard/PhabricatorStandardCustomFieldSelect.php',
     'PhabricatorStandardCustomFieldText' => 'infrastructure/customfield/standard/PhabricatorStandardCustomFieldText.php',
     'PhabricatorStandardPageView' => 'view/page/PhabricatorStandardPageView.php',
     'PhabricatorStatusController' => 'applications/system/PhabricatorStatusController.php',
@@ -3788,6 +3789,7 @@ phutil_register_library_map(array(
     'PhabricatorStandardCustomField' => 'PhabricatorCustomField',
     'PhabricatorStandardCustomFieldBool' => 'PhabricatorStandardCustomField',
     'PhabricatorStandardCustomFieldInt' => 'PhabricatorStandardCustomField',
+    'PhabricatorStandardCustomFieldSelect' => 'PhabricatorStandardCustomField',
     'PhabricatorStandardCustomFieldText' => 'PhabricatorStandardCustomField',
     'PhabricatorStandardPageView' => 'PhabricatorBarePageView',
     'PhabricatorStatusController' => 'PhabricatorController',

src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldSelect.php

@@ -0,0 +1,78 @@
+<?php
+
+final class PhabricatorStandardCustomFieldSelect
+  extends PhabricatorStandardCustomField {
+
+  public function getFieldType() {
+    return 'select';
+  }
+
+  public function buildFieldIndexes() {
+    $indexes = array();
+
+    $value = $this->getFieldValue();
+    if (strlen($value)) {
+      $indexes[] = $this->newStringIndex($value);
+    }
+
+    return $indexes;
+  }
+
+  public function readApplicationSearchValueFromRequest(
+    PhabricatorApplicationSearchEngine $engine,
+    AphrontRequest $request) {
+    return $request->getArr($this->getFieldKey());
+  }
+
+  public function applyApplicationSearchConstraintToQuery(
+    PhabricatorApplicationSearchEngine $engine,
+    PhabricatorCursorPagedPolicyAwareQuery $query,
+    $value) {
+    if ($value) {
+      $query->withApplicationSearchContainsConstraint(
+        $this->newStringIndex(null),
+        $value);
+    }
+  }
+
+  public function appendToApplicationSearchForm(
+    PhabricatorApplicationSearchEngine $engine,
+    AphrontFormView $form,
+    $value,
+    array $handles) {
+
+    if (!is_array($value)) {
+      $value = array();
+    }
+    $value = array_fuse($value);
+
+    $control = id(new AphrontFormCheckboxControl())
+      ->setLabel($this->getFieldName());
+
+    foreach ($this->getOptions() as $name => $option) {
+      $control->addCheckbox(
+        $this->getFieldKey().'[]',
+        $name,
+        $option,
+        isset($value[$name]));
+    }
+
+    $form->appendChild($control);
+  }
+
+  private function getOptions() {
+    return $this->getFieldConfigValue('options', array());
+  }
+
+  public function renderEditControl() {
+    return id(new AphrontFormSelectControl())
+      ->setLabel($this->getFieldName())
+      ->setName($this->getFieldKey())
+      ->setOptions($this->getOptions());
+  }
+
+  public function renderPropertyViewValue() {
+    return idx($this->getOptions(), $this->getFieldValue());
+  }
+
+}