/
Array.php
349 lines (320 loc) · 8.35 KB
/
Array.php
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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
* @version $Id$
*
* @category Piwik
* @package Piwik
*/
/**
* The DataTable_Array is a way to store an array of dataTable.
* The Piwik_DataTable_Array implements some of the features of the Piwik_DataTable such as queueFilter, getRowsCount.
*
* @package Piwik
* @subpackage Piwik_DataTable
*/
class Piwik_DataTable_Array
{
/**
* Used to store additional information about the DataTable Array.
* For example if the Array is used to store multiple DataTable of UserCountry,
* we can add the metadata of the 'idSite' they refer to, so we can access it later if necessary.
*
* @var array of mixed
*/
public $metadata = array();
/**
* Array containing the DataTable withing this Piwik_DataTable_Array
*
* @var array of Piwik_DataTable
*/
protected $array = array();
/**
* This is the label used to index the tables.
* For example if the tables are indexed using the timestamp of each period
* eg. $this->array[1045886960] = new Piwik_DataTable();
* the keyName would be 'timestamp'.
*
* This label is used in the Renderer (it becomes a column name or the XML description tag)
*
* @var string
*/
protected $keyName = 'defaultKeyName';
/**
* Returns the keyName string @see self::$keyName
*
* @return string
*/
public function getKeyName()
{
return $this->keyName;
}
/**
* Set the keyName @see self::$keyName
*
* @param string $name
*/
public function setKeyName($name)
{
$this->keyName = $name;
}
/**
* Returns the number of DataTable in this DataTable_Array
*
* @return int
*/
public function getRowsCount()
{
return count($this->array);
}
/**
* Queue a filter to the DataTable_Array will queue this filter to every DataTable of the DataTable_Array.
*
* @param string $className Filter name, eg. Piwik_DataTable_Filter_Limit
* @param array $parameters Filter parameters, eg. array( 50, 10 )
*/
public function queueFilter( $className, $parameters = array() )
{
foreach($this->array as $table)
{
$table->queueFilter($className, $parameters);
}
}
/**
* Apply the filters previously queued to each of the DataTable of this DataTable_Array.
*/
public function applyQueuedFilters()
{
foreach($this->array as $table)
{
$table->applyQueuedFilters();
}
}
/**
* Apply a filter to all tables in the array
*
* @param string $className Name of filter class
* @param array $parameters Filter parameters
*/
public function filter($className, $parameters = array())
{
foreach($this->array as $id => $table)
{
$table->filter($className, $parameters);
}
}
/**
* Returns the array of DataTable
*
* @return array of Piwik_DataTable
*/
public function getArray()
{
return $this->array;
}
/**
* Returns the table with the specified label.
*
* @param string $label
* @return Piwik_DataTable
*/
public function getTable($label)
{
return $this->array[$label];
}
/**
* Returns the first row
* This method can be used to treat DataTable and DataTable_Array in the same way
*
* @return Piwik_DataTable_Row
*/
public function getFirstRow()
{
foreach ($this->array as $table)
{
$row = $table->getFirstRow();
if ($row !== false)
{
return $row;
}
}
return false;
}
/**
* Adds a new DataTable to the DataTable_Array
*
* @param Piwik_DataTable $table
* @param string $label Label used to index this table in the array
*/
public function addTable( $table, $label )
{
$this->array[$label] = $table;
}
/**
* Returns a string output of this DataTable_Array (applying the default renderer to every DataTable
* of this DataTable_Array).
*
* @return string
*/
public function __toString()
{
$renderer = new Piwik_DataTable_Renderer_Console();
$renderer->setTable($this);
return (string)$renderer;
}
/**
* @see Piwik_DataTable::enableRecursiveSort()
*/
public function enableRecursiveSort()
{
foreach($this->array as $table)
{
$table->enableRecursiveSort();
}
}
public function renameColumn($oldName, $newName)
{
foreach($this->array as $table)
{
$table->renameColumn($oldName, $newName);
}
}
public function deleteColumns($columns)
{
foreach($this->array as $table)
{
$table->deleteColumns($columns);
}
}
public function deleteColumn($column)
{
foreach($this->array as $table)
{
$table->deleteColumn($column);
}
}
/**
* Returns a Piwik_DataTable_Array whose sub tables are filtered by $label
* @see Piwik_DataTable::getFilteredTableFromLabel
*
* @param string $label Value of the column 'label' to search for
* @return Piwik_DataTable_Array
*/
public function getFilteredTableFromLabel($label)
{
$newTableArray = new Piwik_DataTable_Array;
$newTableArray->metadata = $this->metadata;
foreach ($this->array as $subTableLabel => $subTable)
{
$subTable = $subTable->getFilteredTableFromLabel($label);
$newTableArray->addTable($subTable, $subTableLabel);
}
return $newTableArray;
}
/**
* Merges the rows of every child DataTable into a new DataTable and
* returns it. This function will also set the label of the merged rows
* to the label of the DataTable they were originally from.
*
* The result of this function is determined by the type of DataTable
* this instance holds. If this DataTable_Array instance holds an array
* of DataTables, this function will transform it from:
* <code>
* Label 0:
* DataTable(row1)
* Label 1:
* DataTable(row2)
* </code>
* to:
* <code>
* DataTable(row1[label = 'Label 0'], row2[label = 'Label 1'])
* </code>
*
* If this instance holds an array of DataTable_Arrays, this function will
* transform it from:
* <code>
* Outer Label 0: // the outer DataTable_Array
* Inner Label 0: // one of the inner DataTable_Arrays
* DataTable(row1)
* Inner Label 1:
* DataTable(row2)
* Outer Label 1:
* Inner Label 0:
* DataTable(row3)
* Inner Label 1:
* DataTable(row4)
* </code>
* to:
* <code>
* Inner Label 0:
* DataTable(row1[label = 'Outer Label 0'], row3[label = 'Outer Label 1'])
* Inner Label 1:
* DataTable(row2[label = 'Outer Label 0'], row4[label = 'Outer Label 1'])
* </code>
*
* In addition, if this instance holds an array of DataTable_Arrays, the
* metadata of the first child is used as the metadata of the result.
*
* This function can be used, for example, to smoosh IndexedBySite archive
* query results into one DataTable w/ different rows differentiated by site ID.
*
* @return Piwik_DataTable|Piwik_DataTable_Array
*/
public function mergeChildren()
{
$firstChild = reset($this->array);
if ($firstChild instanceof Piwik_DataTable_Array)
{
$result = new Piwik_DataTable_Array();
$result->setKeyName($firstChild->getKeyName());
$result->metadata = $firstChild->metadata;
foreach ($this->array as $label => $subTableArray)
{
foreach ($subTableArray->array as $innerLabel => $subTable)
{
if (!isset($result->array[$innerLabel]))
{
$result->addTable(new Piwik_DataTable(), $innerLabel);
}
$this->copyRowsAndSetLabel($result->array[$innerLabel], $subTable, $label);
}
}
}
else
{
$result = new Piwik_DataTable();
foreach ($this->array as $label => $subTable)
{
$this->copyRowsAndSetLabel($result, $subTable, $label);
}
}
return $result;
}
/**
* Utility function used by mergeChildren. Copies the rows from one table,
* sets their 'label' columns to a value and adds them to another table.
*
* @param Piwik_DataTable $toTable The table to copy rows to.
* @param Piwik_DataTable $fromTable The table to copy rows from.
* @param string $label The value to set the 'label' column of every copied
* row.
*/
private function copyRowsAndSetLabel($toTable, $fromTable, $label)
{
foreach ($fromTable->getRows() as $fromRow)
{
$oldColumns = $fromRow->getColumns();
unset($oldColumns['label']);
$columns = array_merge(array('label' => $label), $oldColumns);
$row = new Piwik_DataTable_Row(array(
Piwik_DataTable_Row::COLUMNS => $columns,
Piwik_DataTable_Row::METADATA => $fromRow->getMetadata(),
Piwik_DataTable_Row::DATATABLE_ASSOCIATED => $fromRow->getIdSubDataTable()
));
$toTable->addRow($row);
}
}
}