You are here

Home » API reference » Zircon Profile 8 » TableSortExtender.php

class TableSortExtender in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/lib/Drupal/Core/Database/Query/TableSortExtender.php \Drupal\Core\Database\Query\TableSortExtender

Query extender class for tablesort queries.

Hierarchy

Expanded class hierarchy of TableSortExtender

File

core/lib/Drupal/Core/Database/Query/TableSortExtender.php, line 15
Contains \Drupal\Core\Database\Query\TableSortExtender.

Namespace

Drupal\Core\Database\Query
View source 
class TableSortExtender extends SelectExtender {

  /**
   * The array of fields that can be sorted by.
   */
  protected $header = array();
  public function __construct(SelectInterface $query, Connection $connection) {
    parent::__construct($query, $connection);

    // Add convenience tag to mark that this is an extended query. We have to
    // do this in the constructor to ensure that it is set before preExecute()
    // gets called.
    $this
      ->addTag('tablesort');
  }

  /**
   * Order the query based on a header array.
   *
   * @param array $header
   *   Table header array.
   *
   * @return \Drupal\Core\Database\Query\SelectInterface
   *   The called object.
   *
   * @see table.html.twig
   */
  public function orderByHeader(array $header) {
    $this->header = $header;
    $ts = $this
      ->init();
    if (!empty($ts['sql'])) {

      // Based on code from db_escape_table(), but this can also contain a dot.
      $field = preg_replace('/[^A-Za-z0-9_.]+/', '', $ts['sql']);

      // orderBy() will ensure that only ASC/DESC values are accepted, so we
      // don't need to sanitize that here.
      $this
        ->orderBy($field, $ts['sort']);
    }
    return $this;
  }

  /**
   * Initialize the table sort context.
   */
  protected function init() {
    $ts = $this
      ->order();
    $ts['sort'] = $this
      ->getSort();
    $ts['query'] = $this
      ->getQueryParameters();
    return $ts;
  }

  /**
   * Determine the current sort direction.
   *
   * @return
   *   The current sort direction ("asc" or "desc").
   *
   * @see tablesort_get_sort()
   */
  protected function getSort() {
    return tablesort_get_sort($this->header);
  }

  /**
   * Compose a URL query parameter array to append to table sorting requests.
   *
   * @return
   *   A URL query parameter array that consists of all components of the current
   *   page request except for those pertaining to table sorting.
   *
   * @see tablesort_get_query_parameters()
   */
  protected function getQueryParameters() {
    return tablesort_get_query_parameters();
  }

  /**
   * Determine the current sort criterion.
   *
   * @return
   *   An associative array describing the criterion, containing the keys:
   *   - "name": The localized title of the table column.
   *   - "sql": The name of the database field to sort on.
   *
   * @see tablesort_get_order()
   */
  protected function order() {
    return tablesort_get_order($this->header);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
SelectExtender::$connection protected property The connection object on which to run this query.
SelectExtender::$placeholder protected property The placeholder counter.
SelectExtender::$query protected property The Select query object we are extending/decorating.
SelectExtender::$uniqueIdentifier protected property A unique identifier for this query object.
SelectExtender::addExpression public function Adds an expression to the list of "fields" to be SELECTed. Overrides SelectInterface::addExpression
SelectExtender::addField public function Adds a field to the list to be SELECTed. Overrides SelectInterface::addField
SelectExtender::addJoin public function Join against another table in the database. Overrides SelectInterface::addJoin
SelectExtender::addMetaData public function Adds additional metadata to the query. Overrides AlterableInterface::addMetaData
SelectExtender::addTag public function Adds a tag to a query. Overrides AlterableInterface::addTag
SelectExtender::andConditionGroup public function Creates a new group of conditions ANDed together. Overrides ConditionInterface::andConditionGroup
SelectExtender::arguments public function Gets a complete list of all values to insert into the prepared statement. Overrides ConditionInterface::arguments
SelectExtender::compile public function Compiles the saved conditions for later retrieval. Overrides ConditionInterface::compile
SelectExtender::compiled public function Check whether a condition has been previously compiled. Overrides ConditionInterface::compiled
SelectExtender::condition public function Helper function: builds the most common conditional clauses. Overrides ConditionInterface::condition
SelectExtender::conditionGroupFactory public function Creates an object holding a group of conditions. Overrides ConditionInterface::conditionGroupFactory
SelectExtender::conditions public function Gets a complete list of all conditions in this conditional clause. Overrides ConditionInterface::conditions 1
SelectExtender::countQuery public function Get the equivalent COUNT query of this query as a new query object. Overrides SelectInterface::countQuery 1
SelectExtender::distinct public function Sets this query to be DISTINCT. Overrides SelectInterface::distinct
SelectExtender::escapeField public function Escapes a field name string. Overrides SelectInterface::escapeField
SelectExtender::escapeLike public function Escapes characters that work as wildcard characters in a LIKE pattern. Overrides SelectInterface::escapeLike
SelectExtender::execute public function Runs the query against the database. Overrides SelectInterface::execute 2
SelectExtender::exists public function Sets a condition that the specified subquery returns values. Overrides ConditionInterface::exists
SelectExtender::extend public function Enhance this object by wrapping it in an extender object. Overrides ExtendableInterface::extend
SelectExtender::fields public function Add multiple fields from the same table to be SELECTed. Overrides SelectInterface::fields
SelectExtender::forUpdate public function Add FOR UPDATE to the query. Overrides SelectInterface::forUpdate
SelectExtender::getArguments public function Compiles and returns an associative array of the arguments for this prepared statement. Overrides SelectInterface::getArguments
SelectExtender::getExpressions public function Returns a reference to the expressions array for this query. Overrides SelectInterface::getExpressions
SelectExtender::getFields public function Returns a reference to the fields array for this query. Overrides SelectInterface::getFields
SelectExtender::getGroupBy public function Returns a reference to the group-by array for this query. Overrides SelectInterface::getGroupBy
SelectExtender::getMetaData public function Retrieves a given piece of metadata. Overrides AlterableInterface::getMetaData
SelectExtender::getOrderBy public function Returns a reference to the order by array for this query. Overrides SelectInterface::getOrderBy
SelectExtender::getTables public function Returns a reference to the tables array for this query. Overrides SelectInterface::getTables
SelectExtender::getUnion public function Returns a reference to the union queries for this query. This include queries for UNION, UNION ALL, and UNION DISTINCT. Overrides SelectInterface::getUnion
SelectExtender::groupBy public function Groups the result set by the specified field. Overrides SelectInterface::groupBy
SelectExtender::hasAllTags public function Determines if a given query has all specified tags. Overrides AlterableInterface::hasAllTags
SelectExtender::hasAnyTag public function Determines if a given query has any specified tag. Overrides AlterableInterface::hasAnyTag
SelectExtender::hasTag public function Determines if a given query has a given tag. Overrides AlterableInterface::hasTag
SelectExtender::having public function Adds an arbitrary HAVING clause to the query. Overrides SelectInterface::having
SelectExtender::havingArguments public function Gets a list of all values to insert into the HAVING clause. Overrides SelectInterface::havingArguments
SelectExtender::havingCompile public function Compiles the HAVING clause for later retrieval. Overrides SelectInterface::havingCompile
SelectExtender::havingCondition public function Helper function to build most common HAVING conditional clauses. Overrides SelectInterface::havingCondition
SelectExtender::havingConditions public function Gets a list of all conditions in the HAVING clause. Overrides SelectInterface::havingConditions
SelectExtender::havingExists public function Sets a HAVING condition that the specified subquery returns values. Overrides SelectInterface::havingExists
SelectExtender::havingIsNotNull public function Sets a condition in the HAVING clause that the specified field be NOT NULL. Overrides SelectInterface::havingIsNotNull
SelectExtender::havingIsNull public function Sets a condition in the HAVING clause that the specified field be NULL. Overrides SelectInterface::havingIsNull
SelectExtender::havingNotExists public function Sets a HAVING condition that the specified subquery returns no values. Overrides SelectInterface::havingNotExists
SelectExtender::innerJoin public function Inner Join against another table in the database. Overrides SelectInterface::innerJoin
SelectExtender::isNotNull function Sets a condition that the specified field be NOT NULL. Overrides ConditionInterface::isNotNull
SelectExtender::isNull function Sets a condition that the specified field be NULL. Overrides ConditionInterface::isNull
SelectExtender::isPrepared public function Indicates if preExecute() has already been called on that object. Overrides SelectInterface::isPrepared
SelectExtender::join public function Default Join against another table in the database. Overrides SelectInterface::join
SelectExtender::leftJoin public function Left Outer Join against another table in the database. Overrides SelectInterface::leftJoin
SelectExtender::nextPlaceholder public function Returns the next placeholder ID for the query. Overrides PlaceholderInterface::nextPlaceholder
SelectExtender::notExists public function Sets a condition that the specified subquery returns no values. Overrides ConditionInterface::notExists
SelectExtender::orConditionGroup public function Creates a new group of conditions ORed together. Overrides ConditionInterface::orConditionGroup
SelectExtender::orderBy public function Orders the result set by a given field. Overrides SelectInterface::orderBy
SelectExtender::orderRandom public function Orders the result set by a random value. Overrides SelectInterface::orderRandom
SelectExtender::preExecute public function Generic preparation and validation for a SELECT query. Overrides SelectInterface::preExecute 1
SelectExtender::range public function Restricts a query to a given range in the result set. Overrides SelectInterface::range
SelectExtender::rightJoin public function Right Outer Join against another table in the database. Overrides SelectInterface::rightJoin
SelectExtender::union public function Add another Select query to UNION to this one. Overrides SelectInterface::union
SelectExtender::uniqueIdentifier public function Returns a unique identifier for this object. Overrides PlaceholderInterface::uniqueIdentifier
SelectExtender::where public function Adds an arbitrary WHERE clause to the query. Overrides ConditionInterface::where
SelectExtender::__call public function Magic override for undefined methods.
SelectExtender::__clone public function Clone magic method. Overrides SelectInterface::__clone
SelectExtender::__toString public function Returns a string representation of how the query will be executed in SQL. Overrides SelectInterface::__toString
TableSortExtender::$header protected property The array of fields that can be sorted by.
TableSortExtender::getQueryParameters protected function Compose a URL query parameter array to append to table sorting requests.
TableSortExtender::getSort protected function Determine the current sort direction.
TableSortExtender::init protected function Initialize the table sort context.
TableSortExtender::order protected function Determine the current sort criterion.
TableSortExtender::orderByHeader public function Order the query based on a header array.
TableSortExtender::__construct public function Overrides SelectExtender::__construct