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import v1.0.0-RC4 | 2009-05-20

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libs/Zend/Text/Table/Row.php Normal file
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Text_Table
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Row.php 12529 2008-11-10 21:05:43Z dasprid $
*/
/**
* Row class for Zend_Text_Table
*
* @category Zend
* @package Zend_Text_Table
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Text_Table_Row
{
/**
* List of all columns
*
* @var array
*/
protected $_columns = array();
/**
* Temporary stored column widths
*
* @var array
*/
protected $_columnWidths = null;
/**
* Create a new column and append it to the row
*
* @param string $content
* @param array $options
* @return Zend_Text_Table_Row
*/
public function createColumn($content, array $options = null)
{
$align = null;
$colSpan = null;
$encoding = null;
if ($options !== null) {
extract($options, EXTR_IF_EXISTS);
}
require_once 'Zend/Text/Table/Column.php';
$column = new Zend_Text_Table_Column($content, $align, $colSpan, $encoding);
$this->appendColumn($column);
return $this;
}
/**
* Append a column to the row
*
* @param Zend_Text_Table_Column $column The column to append to the row
* @return Zend_Text_Table_Row
*/
public function appendColumn(Zend_Text_Table_Column $column)
{
$this->_columns[] = $column;
return $this;
}
/**
* Get a column by it's index
*
* Returns null, when the index is out of range
*
* @param integer $index
* @return Zend_Text_Table_Column|null
*/
public function getColumn($index)
{
if (!isset($this->_columns[$index])) {
return null;
}
return $this->_columns[$index];
}
/**
* Get all columns of the row
*
* @return array
*/
public function getColumns()
{
return $this->_columns;
}
/**
* Get the widths of all columns, which were rendered last
*
* @throws Zend_Text_Table_Exception When no columns were rendered yet
* @return integer
*/
public function getColumnWidths()
{
if ($this->_columnWidths === null) {
require_once 'Zend/Text/Table/Exception.php';
throw new Zend_Text_Table_Exception('No columns were rendered yet');
}
return $this->_columnWidths;
}
/**
* Render the row
*
* @param array $columnWidths Width of all columns
* @param Zend_Text_Table_Decorator_Interface $decorator Decorator for the row borders
* @param integer $padding Padding for the columns
* @throws Zend_Text_Table_Exception When there are too many columns
* @return string
*/
public function render(array $columnWidths,
Zend_Text_Table_Decorator_Interface $decorator,
$padding = 0)
{
// Prepare an array to store all column widths
$this->_columnWidths = array();
// If there is no single column, create a column which spans over the
// entire row
if (count($this->_columns) === 0) {
require_once 'Zend/Text/Table/Column.php';
$this->appendColumn(new Zend_Text_Table_Column(null, null, count($columnWidths)));
}
// First we have to render all columns, to get the maximum height
$renderedColumns = array();
$maxHeight = 0;
$colNum = 0;
foreach ($this->_columns as $column) {
// Get the colspan of the column
$colSpan = $column->getColSpan();
// Verify if there are enough column widths defined
if (($colNum + $colSpan) > count($columnWidths)) {
require_once 'Zend/Text/Table/Exception.php';
throw new Zend_Text_Table_Exception('Too many columns');
}
// Calculate the column width
$columnWidth = ($colSpan - 1 + array_sum(array_slice($columnWidths,
$colNum,
$colSpan)));
// Render the column and split it's lines into an array
$result = explode("\n", $column->render($columnWidth, $padding));
// Store the width of the rendered column
$this->_columnWidths[] = $columnWidth;
// Store the rendered column and calculate the new max height
$renderedColumns[] = $result;
$maxHeight = max($maxHeight, count($result));
// Set up the internal column number
$colNum += $colSpan;
}
// If the row doesnt contain enough columns to fill the entire row, fill
// it with an empty column
if ($colNum < count($columnWidths)) {
$remainingWidth = (count($columnWidths) - $colNum - 1) +
array_sum(array_slice($columnWidths,
$colNum));
$renderedColumns[] = array(str_repeat(' ', $remainingWidth));
$this->_columnWidths[] = $remainingWidth;
}
// Add each single column line to the result
$result = '';
for ($line = 0; $line < $maxHeight; $line++) {
$result .= $decorator->getVertical();
foreach ($renderedColumns as $renderedColumn) {
if (isset($renderedColumn[$line]) === true) {
$result .= $renderedColumn[$line];
} else {
$result .= str_repeat(' ', strlen($renderedColumn[0]));
}
$result .= $decorator->getVertical();
}
$result .= "\n";
}
return $result;
}
}