views_handler_argument_formula.inc
Definition of views_handler_argument_formula.
File
-
handlers/
views_handler_argument_formula.inc
View source
<?php
/**
* @file
* Definition of views_handler_argument_formula.
*/
/**
* Abstract argument handler for simple formulae.
*
* Child classes of this object should implement summary_argument, at least.
*
* Definition terms:
* - formula: The formula to use for this handler.
*
* @ingroup views_argument_handlers
*/
class views_handler_argument_formula extends views_handler_argument {
/**
*
*/
public $formula = NULL;
/**
* {@inheritdoc}
*/
public function construct() {
parent::construct();
if (!empty($this->definition['formula'])) {
$this->formula = $this->definition['formula'];
}
}
/**
*
*/
public function get_formula() {
return str_replace('***table***', $this->table_alias, $this->formula);
}
/**
* Build the summary query based on a formula.
*/
public function summary_query() {
$this->ensure_my_table();
// Now that our table is secure, get our formula.
$formula = $this->get_formula();
// Add the field.
$this->base_alias = $this->name_alias = $this->query
->add_field(NULL, $formula, $this->field);
$this->query
->set_count_field(NULL, $formula, $this->field);
return $this->summary_basics(FALSE);
}
/**
* Build the query based upon the formula.
*/
public function query($group_by = FALSE) {
$this->ensure_my_table();
// Now that our table is secure, get our formula.
$placeholder = $this->placeholder();
$formula = $this->get_formula() . ' = ' . $placeholder;
$placeholders = array(
$placeholder => $this->argument,
);
$this->query
->add_where(0, $formula, $placeholders, 'formula');
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
views_handler_argument_formula | Abstract argument handler for simple formulae. |