Table.php
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<?php
/*
PHPRtfLite
Copyright 2007-2008 Denis Slaveckij <sinedas@gmail.com>
Copyright 2010-2012 Steffen Zeidler <sigma_z@sigma-scripts.de>
This file is part of PHPRtfLite.
PHPRtfLite is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PHPRtfLite is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PHPRtfLite. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Class for creating tables for rtf documents.
* @version 1.2
* @author Denis Slaveckij <sinedas@gmail.com>
* @author Steffen Zeidler <sigma_z@sigma-scripts.de>
* @copyright 2007-2008 Denis Slaveckij, 2010-2012 Steffen Zeidler
* @package PHPRtfLite
* @subpackage PHPRtfLite_Table
*/
class PHPRtfLite_Table
{
/**
* constants table alignment
*/
const ALIGN_LEFT = 'left';
const ALIGN_CENTER = 'center';
const ALIGN_RIGHT = 'right';
/**
* @var PHPRtfLite_Container
*/
protected $_container;
/**
* array of PHPRtfLite_Table_Row instances
* @var array
*/
protected $_rows;
/**
* array of PHPRtfLite_Table_Column instances
* @var array
*/
protected $_columns;
/**
* @var string
*/
protected $_alignment;
/**
* @var boolean
*/
protected $_preventPageBreak = false;
/**
* @var boolean
*/
protected $_firstRowIsHeader = false;
/**
* @var boolean
*/
protected $_repeatFirstRowHeader = false;
/**
* @var integer
*/
protected $_leftPosition = 0;
/**
* nest depth
* 0: main document
* 1: table cell
* 2: nested table cell
* 3: double nested table cell
* 4: three times nested table cell
* .. and so on ..
* @var integer
*/
protected $_nestDepth = 1;
/**
* flag for preventing an empty paragraph after table
* @var boolean
*/
protected $_preventEmptyParagraph = false;
/**
* constructor
*
* @param PHPRtfLite_Container
* @param string
*/
public function __construct(PHPRtfLite_Container_Base $container, $alignment = self::ALIGN_LEFT, $nestDepth = 1)
{
$this->_container = $container;
$this->_alignment = $alignment;
$this->_nestDepth = $nestDepth;
}
/**
* gets nested depth
*
* @return integer
*/
public function getNestDepth()
{
return $this->_nestDepth;
}
/**
* checks, if table is a nested table
*
* @return boolean
*/
public function isNestedTable()
{
return $this->_nestDepth > 1;
}
/**
* gets rtf container instance
*
* @return PHPRtfLite_Container
*/
public function getContainer()
{
return $this->_container;
}
/**
* gets rtf instance
*
* @return PHPRtfLite
*/
public function getRtf()
{
return $this->_container->getRtf();
}
/**
* Sets that table won't be splited by a page break. By default page break splits table.
*/
public function setPreventPageBreak()
{
$this->_preventPageBreak = true;
}
/**
* returns true, if a table should not be splited by a page break
*
* @return boolean
*/
public function isPreventPageBreak()
{
return $this->_preventPageBreak;
}
/**
* sets left position of table
*
* @param float $leftPosition left position of table.
*/
public function setLeftPosition($leftPosition)
{
$this->_leftPosition = $leftPosition;
}
/**
* gets left position of table
*
* @return float
*/
public function getLeftPosition()
{
return $this->_leftPosition;
}
/**
* Sets first row as header row. First row will be repeated at the top of each page.
*/
public function setFirstRowAsHeader()
{
$this->_firstRowIsHeader = true;
}
/**
* Returns true, if first row should be used as header. First row will be repeated at the top of each page.
*
* @return boolean
*/
public function isFirstRowHeader()
{
return $this->_firstRowIsHeader;
}
/**
* gets alignment
*
* @return string
*/
public function getAlignment()
{
return $this->_alignment;
}
/**
* prevents adding an empty paragraph after table
*
* @param boolean
*/
public function preventEmptyParagraph($value = true)
{
$this->_preventEmptyParagraph = $value;
}
/**
* returns true, if no empty paragraph should be added after table
*
* @return boolean
*/
public function getPreventEmptyParagraph()
{
return $this->_preventEmptyParagraph;
}
/**
* adds rows
*
* @param integer $rowCnt
* @param float $height row height. When null, the height is sufficient for all the text in the line;
* when positive, the height is guaranteed to be at least the specified height; when negative,
* the absolute value of the height is used, regardless of the height of the text in the line.
*/
public function addRows($rowCnt, $height = null)
{
for ($i = 0; $i < $rowCnt; $i++) {
$this->addRow($height);
}
}
/**
* adds list of rows to a table.
*
* @param array $heights array of heights for each row to add. When height is null,
* the height is sufficient for all the text in the line; when positive,
* the height is guaranteed to be at least the specified height; when negative,
* the absolute value of the height is used, regardless of the height of
* the text in the line.
*/
public function addRowList($heights)
{
foreach ($heights as $height) {
$this->addRow($height);
}
}
/**
* adds row
*
* @param float $height row height. When 0, the height is sufficient for all the text in the line;
* when positive, the height is guaranteed to be at least the specified height; when negative,
* the absolute value of the height is used, regardless of the height of the text in the line.
*
* @return PHPRtfLite_Table_Row
*/
public function addRow($height = null)
{
$row = new PHPRtfLite_Table_Row($this, $this->getRowsCount() + 1, $height);
$this->_rows[] = $row;
return $row;
}
/**
* gets row instance
*
* @param integer $rowIndex
* @return PHPRtfLite_Table_Row
* @throws PHPRtfLite_Exception, if rowIndex is not valid
*/
public function getRow($rowIndex)
{
if (isset($this->_rows[$rowIndex - 1])) {
return $this->_rows[$rowIndex - 1];
}
throw new PHPRtfLite_Exception('Invalid row index for table: ' . $rowIndex);
}
/**
* adds column
*
* @param float $width column width
* @return PHPRtfLite_Table_Column
*/
public function addColumn($width)
{
$column = new PHPRtfLite_Table_Column($this, $this->getColumnsCount() + 1, $width);
$this->_columns[] = $column;
return $column;
}
/**
* gets column
*
* @param integer $colIndex
* @return PHPRtfLite_Table_Column
* @throws PHPRtfLite_Exception, if colIndex is not valid
*/
public function getColumn($colIndex)
{
if (isset($this->_columns[$colIndex - 1])) {
return $this->_columns[$colIndex - 1];
}
throw new PHPRtfLite_Exception('Invalid column index for table: ' . $colIndex);
}
/**
* adds list of columns
*
* @param array array of column widths.
*/
public function addColumnsList($columnWidths)
{
foreach ($columnWidths as $columnWidth) {
$this->addColumn($columnWidth);
}
}
/**
* gets the instance of cell
*
* @param integer $rowIndex
* @param integer $columnIndex
* @return PHPRtfLite_Table_Cell
* @throws PHPRtfLite_Exception, if index for row or column is not valid
*/
public function getCell($rowIndex, $columnIndex)
{
if ($this->checkIfCellExists($rowIndex, $columnIndex)) {
return $this->getRow($rowIndex)->getCellByIndex($columnIndex);
}
throw new PHPRtfLite_Exception('Wrong index for cell! You gave me: (row:' . $rowIndex . ', column:' . $columnIndex . ')');
}
/**
* writes text to cell
*
* @param integer $rowIndex row index of cell
* @param integer $columnIndex column index of cell
* @param string $text Text. Also you can use html style tags. @see PHPRtfLite_Container#writeText()
* @param PHPRtfLite_Font $font Font of text
* @param PHPRtfLite_ParFormat $parFormat Paragraph format
* @param boolean $convertTagsToRtf If false, then html style tags are not replaced with rtf code.
* @return PHPRtfLite_Element
*/
public function writeToCell($rowIndex,
$columnIndex,
$text,
PHPRtfLite_Font $font = null,
PHPRtfLite_ParFormat $parFormat = null,
$convertTagsToRtf = true)
{
$cell = $this->getCell($rowIndex, $columnIndex);
if (is_null($font)) {
$font = $cell->getFont();
}
return $cell->writeText($text, $font, $parFormat, $convertTagsToRtf);
}
/**
* adds image to cell
*
* @param integer $rowIndex row index of cell
* @param integer $columnIndex column index of cell
* @param string $file image file.
* @param PHPRtfLite_ParFormat $parFormat paragraph format
* @param float $width if null image is displayed by it's original height.
* @param float $height if null image is displayed by it's original width. If boths parameters are null, image is displayed as it is.
* @return PHPRtfLite_Image
*/
public function addImageToCell($rowIndex,
$columnIndex,
$file,
PHPRtfLite_ParFormat $parFormat = null,
$width = null,
$height = null)
{
$cell = $this->getCell($rowIndex, $columnIndex);
return $cell->addImage($file, $parFormat, $width, $height);
}
/**
* adds image to cell
*
* @param integer $rowIndex row index of cell
* @param integer $columnIndex column index of cell
* @param string $file image file.
* @param PHPRtfLite_ParFormat $parFormat paragraph format
* @param float $width if null image is displayed by it's original height.
* @param float $height if null image is displayed by it's original width. If boths parameters are null, image is displayed as it is.
* @return PHPRtfLite_Image
*/
public function addImageFromStringToCell(
$rowIndex,
$columnIndex,
$string,
$type,
PHPRtfLite_ParFormat $parFormat = null,
$width = null,
$height = null)
{
$cell = $this->getCell($rowIndex, $columnIndex);
return $cell->addImageFromString($string, $type, $parFormat, $width, $height);
}
/**
* corrects cell range to be valid
*
* @param integer $startRow
* @param integer $startColumn
* @param integer $endRow
* @param integer $endColumn
* @return array
*/
private static function getValidCellRange($startRow, $startColumn, $endRow, $endColumn)
{
if ($endRow === null) {
$endRow = $startRow;
}
elseif ($startRow > $endRow) {
$temp = $startRow;
$startRow = $endRow;
$endRow = $temp;
}
if ($endColumn === null) {
$endColumn = $startColumn;
}
elseif ($startColumn > $endColumn) {
$temp = $startColumn;
$startColumn = $endColumn;
$endColumn = $temp;
}
return array($startRow, $startColumn, $endRow, $endColumn);
}
/**
*
* @param integer $startRow
* @param integer $startColumn
* @param integer $endRow
* @param integer $endColumn
* @return PHPRtfLite_Table_Cell[]
*/
private function getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn)
{
$cells = array();
for ($row = $startRow; $row <= $endRow; $row++) {
for ($column = $startColumn; $column <= $endColumn; $column++) {
$cells[] = $this->getCell($row, $column);
}
}
return $cells;
}
/**
* sets vertical alignment to cells of a given cell range
*
* @param string $verticalAlignment Vertical alignment of cell (default top). Represented by PHPRtfLite_Container::VERTICAL_ALIGN_*<br>
* Possible values:<br>
* PHPRtfLite_Container::VERTICAL_ALIGN_TOP => 'top' - top alignment;<br>
* PHPRtfLite_Container::VERTICAL_ALIGN_CENTER => 'center' - center alignment;<br>
* PHPRtfLite_Container::VERTICAL_ALIGN_BOTTOM => 'bottom' - bottom alignment.
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then vertical alignment is set only to the row range.
* @param integer $endColumn end column, if null, then vertical alignment is set just to the column range.
*/
public function setVerticalAlignmentForCellRange($verticalAlignment, $startRow, $startColumn, $endRow = null, $endColumn = null)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($this->checkIfCellExists($startRow, $startColumn)
&& $this->checkIfCellExists($endRow, $endColumn))
{
$cells = $this->getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn);
foreach ($cells as $cell) {
$cell->setVerticalAlignment($verticalAlignment);
}
}
}
/**
* sets alignments to empty cells of a given cell range
*
* @param string $alignment alignment of cell. The method PHPRtfLite_Table_Cell->writeToCell() overrides it with PHPRtfLite_ParFormat alignment.<br>
* Alignment is represented by class constants PHPRtfLite_Container::TEXT_ALIGN_*<br>
* Possible values:<br>
* PHPRtfLite_Container::TEXT_ALIGN_LEFT => 'left' - left alignment<br>
* PHPRtfLite_Container::TEXT_ALIGN_RIGHT => 'right' - right alignment<br>
* PHPRtfLite_Container::TEXT_ALIGN_CENTER => 'center' - center alignment<br>
* PHPRtfLite_Container::TEXT_ALIGN_JUSTIFY => 'justify' - justify alignment
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then text alignment is set only to the row range.
* @param integer $endColumn end column, if null, then text alignment is set just to the column range.
*/
public function setTextAlignmentForCellRange($alignment, $startRow, $startColumn, $endRow = null, $endColumn = null)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($this->checkIfCellExists($startRow, $startColumn)
&& $this->checkIfCellExists($endRow, $endColumn))
{
$cells = $this->getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn);
foreach ($cells as $cell) {
$cell->setTextAlignment($alignment);
}
}
}
/**
* sets font to empty cells of a given cell range
*
* @param PHPRtfLite_Font $font font for empty cells. The method PHPRtfLite_Table_Cell->writeToCell() overrides it with another PHPRtfLite_Font.
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then font is set only to the row range.
* @param integer $endColumn end column, if null, then font is set just to the column range.
*/
public function setFontForCellRange(PHPRtfLite_Font $font, $startRow, $startColumn, $endRow = null, $endColumn = null)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($this->checkIfCellExists($startRow, $startColumn)
&& $this->checkIfCellExists($endRow, $endColumn))
{
$cells = $this->getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn);
foreach ($cells as $cell) {
$cell->setFont($font);
}
}
}
/**
* rotates cells of a given cell range
*
* @param string $rotateTo direction of rotation<br>
* Possible values (represented by PHPRtfLite_Table_Cell::ROTATE_*):<br>
* PHPRtfLite_Table_Cell::ROTATE_RIGHT => 'right'<br>
* PHPRtfLite_Table_Cell::ROTATE_LEFT => 'left'
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then rotation is set only to the row range.
* @param integer $endColumn end column, if null, then rotation is set just to the column range.
*/
public function rotateCellRange($rotateTo, $startRow, $startColumn, $endRow = null, $endColumn = null)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($this->checkIfCellExists($startRow, $startColumn)
&& $this->checkIfCellExists($endRow, $endColumn))
{
$cells = $this->getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn);
foreach ($cells as $cell) {
$cell->rotateTo($rotateTo);
}
}
}
/**
* sets background color of cells of a given cell range
*
* @param string $backgroundColor background color
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then rotation is set only to the row range.
* @param integer $endColumn end column, if null, then rotation is set just to the column range.
*/
public function setBackgroundForCellRange($backgroundColor,
$startRow,
$startColumn,
$endRow = null,
$endColumn = null)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($this->checkIfCellExists($startRow, $startColumn)
&& $this->checkIfCellExists($endRow, $endColumn))
{
$cells = $this->getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn);
foreach ($cells as $cell) {
$cell->setBackgroundColor($backgroundColor);
}
}
}
/**
* sets border to cells of a given cell range
*
* @param PHPRtfLite_Border $border border
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then border is set only to the row range.
* @param integer $endColumn end column, if null, then border is set just to the column range.
*/
public function setBorderForCellRange(PHPRtfLite_Border $border,
$startRow, $startColumn,
$endRow = null, $endColumn = null)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($this->checkIfCellExists($startRow, $startColumn)
&& $this->checkIfCellExists($endRow, $endColumn))
{
$cells = $this->getCellsByCellRange($startRow, $startColumn, $endRow, $endColumn);
foreach ($cells as $cell) {
$cell->setBorder(clone($border));
}
}
}
/**
* @deprecated use setBorderForCellRange() instead
* @see PHPRtfLite/PHPRtfLite_Table#setBorderForCellRange()
*
* Sets borders of cells.
*
* @param PHPRtfLite_Border_Format $borderFormat border format
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row, if null, then border is set only to the row range.
* @param integer $endColumn end column, if null, then border is set just to the column range.
* @param boolean $left if false, left border is not set (default true)
* @param boolean $top if false, top border is not set (default true)
* @param boolean $right if false, right border is not set (default true)
* @param boolean $bottom if false, bottom border is not set (default true)
*/
public function setBordersForCellRange(PHPRtfLite_Border_Format $borderFormat,
$startRow,
$startColumn,
$endRow = null,
$endColumn = null,
$left = true,
$top = true,
$right = true,
$bottom = true)
{
$border = new PHPRtfLite_Border($this->getRtf());
$border->setBorders($borderFormat, $left, $top, $right, $bottom);
$this->setBorderForCellRange($border, $startRow, $startColumn, $endRow, $endColumn);
}
/**
* merges cells of a given cell range
*
* @param integer $startRow start row
* @param integer $startColumn start column
* @param integer $endRow end row
* @param integer $endColumn end column
*
* @TODO source code commentation
*/
public function mergeCellRange($startRow, $startColumn, $endRow, $endColumn)
{
list($startRow, $startColumn, $endRow, $endColumn)
= PHPRtfLite_Table::getValidCellRange($startRow, $startColumn, $endRow, $endColumn);
if ($startRow == $endRow && $startColumn == $endColumn) {
return;
}
if (!$this->checkIfCellExists($endRow, $endColumn)) {
return;
}
for ($j = $startRow; $j <= $endRow; $j++) {
$start = $startColumn;
$cell = $this->getCell($j, $start);
while ($cell->isHorizontalMerged()) {
$start--;
$cell = $this->getCell($j, $start);
}
$end = $endColumn;
$cell = $this->getCell($j, $end);
while ($cell->isHorizontalMerged()) {
$end++;
$cell = $this->getCell($j, $end + 1);
}
$width = 0;
for ($i = $start; $i <= $end; $i++) {
$cell = $this->getCell($j, $i);
if ($j == $startRow) {
$cell->setVerticalMergeStart();
}
else {
$cell->setVerticalMerged();
}
$width += $cell->getWidth();
if ($i != $start) {
$cell->setHorizontalMerged();
}
}
$this->getCell($j, $start)->setWidth($width);
}
}
/**
* gets table rows
*
* @return array instances of PHPRtfLite_Table_Row
*/
public function getRows()
{
return $this->_rows;
}
/**
* gets number of rows in table
*
* @return integer
*/
public function getRowsCount()
{
return count($this->_rows);
}
/**
* gets table columns
*
* @return array instances of PHPRtfLite_Table_Column
*/
public function getColumns()
{
return $this->_columns;
}
/**
* gets number of columns in table
*
* @return integer
*/
public function getColumnsCount()
{
return count($this->_columns);
}
/**
* returns true, if column index is valid
*
* @param integer $colIndex
* @return boolean
*/
public function checkColumnIndex($colIndex)
{
return isset($this->_columns[$colIndex - 1]);
}
/**
* returns true, if row index is valid
*
* @param integer $rowIndex
* @return boolean
*/
public function checkRowIndex($rowIndex)
{
return isset($this->_rows[$rowIndex - 1]);
}
/**
* returns true, if rowIndex and columnIndex do exists in table
*
* @param integer $rowIndex
* @param integer $columnIndex
* @return boolean
*/
public function checkIfCellExists($rowIndex, $columnIndex)
{
return $this->checkRowIndex($rowIndex) && $this->checkColumnIndex($columnIndex);
}
/**
* gets rtf code for table
*
* @return string rtf code
*/
public function render()
{
if (empty($this->_rows) || empty($this->_columns)) {
return;
}
$stream = $this->getRtf()->getWriter();
foreach ($this->_rows as $row) {
$this->renderRowDefinition($row);
$stream->write("\r\n");
$this->renderRowCells($row);
$stream->write("\r\n" . '\row' . "\r\n");
}
$stream->write('\pard\itap0' . "\r\n");
}
/**
* renders row definition
*
* @param PHPRtfLite_Table_Row $row
*/
public function renderRowDefinition(PHPRtfLite_Table_Row $row)
{
$rowIndex = $row->getRowIndex();
$stream = $this->getRtf()->getWriter();
$stream->write('\trowd');
if ($this->_alignment) {
switch ($this->_alignment) {
case self::ALIGN_CENTER:
$stream->write('\trqc');
break;
case self::ALIGN_RIGHT:
$stream->write('\trqr');
break;
default:
$stream->write('\trql');
break;
}
}
$rowHeight = $row->getHeight();
if ($rowHeight) {
$stream->write('\trrh' . PHPRtfLite_Unit::getUnitInTwips($rowHeight));
}
if ($this->isPreventPageBreak()) {
$stream->write('\trkeep ');
}
if ($this->isFirstRowHeader() && $rowIndex == 1) {
$stream->write('\trhdr ');
}
if ($this->getLeftPosition() != '') {
$stream->write('\trleft' . PHPRtfLite_Unit::getUnitInTwips($this->getLeftPosition()) . ' ');
}
$width = 0;
foreach ($this->getColumns() as $columnIndex => $column) {
$cell = $this->getCell($rowIndex, $columnIndex + 1);
// render cell definition
if (!$cell->isHorizontalMerged()) {
$cell->renderDefinition();
// cell width
$width += PHPRtfLite_Unit::getUnitInTwips($cell->getWidth());
$stream->write('\cellx' . $width);
}
}
}
/**
* renders row cells
*
* @param PHPRtfLite_Table_Row $row
*/
protected function renderRowCells(PHPRtfLite_Table_Row $row)
{
$rowIndex = $row->getRowIndex();
foreach ($this->getColumns() as $columnIndex => $column) {
$cell = $this->getCell($rowIndex, $columnIndex + 1);
if (!$cell->isHorizontalMerged()) {
$cell->render();
}
}
}
}