PhabricatorCustomFieldApplicationSearchAnyFunctionDatasource.php
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	<?php

	final class PhabricatorCustomFieldApplicationSearchAnyFunctionDatasource
	extends PhabricatorTypeaheadDatasource {

	public function getBrowseTitle() {
	return pht('Browse Any');
	}

	public function getPlaceholderText() {
	return pht('Type "any()"...');
	}

	public function getDatasourceApplicationClass() {
	return null;
	}

	public function getDatasourceFunctions() {
	return array(
	'any' => array(
	'name' => pht('Any Value'),
	'summary' => pht('Find results with any value.'),
	'description' => pht(
	"This function includes results which have any value. Use a query ".
	"like this to find results with any value:\n\n%s",
	'> any()'),
	),
	);
	}

	public function loadResults() {
	$results = array(
	$this->newAnyFunction(),
	);
	return $this->filterResultsAgainstTokens($results);
	}

	protected function evaluateFunction($function, array $argv_list) {
	$results = array();

	foreach ($argv_list as $argv) {
	$results[] = new PhabricatorQueryConstraint(
	PhabricatorQueryConstraint::OPERATOR_ANY,
	null);
	}

	return $results;
	}

	public function renderFunctionTokens($function, array $argv_list) {
	$results = array();
	foreach ($argv_list as $argv) {
	$results[] = PhabricatorTypeaheadTokenView::newFromTypeaheadResult(
	$this->newAnyFunction());
	}
	return $results;
	}

	private function newAnyFunction() {
	$name = pht('Any Value');
	return $this->newFunctionResult()
	->setName($name.' any')
	->setDisplayName($name)
	->setIcon('fa-circle-o')
	->setPHID('any()')
	->setUnique(true)
	->addAttribute(pht('Select results with any value.'));
	}

	}