Club Drupal

<?php

/**

 * @file

 * PDF Class to generate PDFs with native PHP. This class based on FPDF and FPDI.

 *

 * A direct include of this class is not realy possible. The basic functions of drupal must be

 * present.

 *

 */

/**

 * Get the depending classes.

 */

require_once views_pdf_get_library('tcpdf') . '/tcpdf.php';

if (file_exists(views_pdf_get_library('fpdi') . '/fpdi_bridge.php')) {

  require_once views_pdf_get_library('fpdi') . '/fpdi_bridge.php';

}

else {

  require_once views_pdf_get_library('fpdi') . '/fpdi2tcpdf_bridge.php';

}

require_once views_pdf_get_library('fpdi') . '/fpdi.php';

/**

 * The main class to generate the PDF.

 */

class PdfTemplate extends FPDI {

  protected static $fontList = NULL;

  protected static $fontListClean = NULL;

  protected static $templateList = NULL;

  protected static $hyphenatePatterns = NULL;

  protected $defaultFontStyle = '';

  protected $defaultFontFamily = 'helvetica';

  protected $defaultFontSize = '11';

  protected $defaultTextAlign = 'L';

  protected $defaultFontColor = '000000';

  protected $defaultPageTemplateFiles = array();

  protected $mainContentPageNumber = 0;

  protected $rowContentPageNumber = 0;

  protected $defaultOrientation = 'P';

  protected $defaultFormat = 'A4';

  protected $addNewPageBeforeNextContent = FALSE;

  protected $elements = array();

  protected $headerFooterData = array();

  protected $views_header = '';

  protected $view = NULL;

  protected $views_footer = '';

  protected $headerFooterOptions = array();

  protected $lastWritingPage = 1;

  protected $lastWritingPositions;

  protected static $defaultFontList = array(

    'almohanad' => 'AlMohanad',

    'arialunicid0' => 'ArialUnicodeMS',

    'courier' => 'Courier',

    'courierb' => 'Courier Bold',

    'courierbi' => 'Courier Bold Italic',

    'courieri' => 'Courier Italic',

    'dejavusans' => 'DejaVuSans',

    'dejavusansb' => 'DejaVuSans-Bold',

    'dejavusansbi' => 'DejaVuSans-BoldOblique',

    'dejavusansi' => 'DejaVuSans-Oblique',

    'dejavusanscondensed' => 'DejaVuSansCondensed',

    'dejavusanscondensedb' => 'DejaVuSansCondensed-Bold',

    'dejavusanscondensedbi' => 'DejaVuSansCondensed-BoldOblique',

    'dejavusanscondensedi' => 'DejaVuSansCondensed-Oblique',

    'dejavusansmono' => 'DejaVuSansMono',

    'dejavusansmonob' => 'DejaVuSansMono-Bold',

    'dejavusansmonobi' => 'DejaVuSansMono-BoldOblique',

    'dejavusansmonoi' => 'DejaVuSansMono-Oblique',

    'dejavuserif' => 'DejaVuSerif',

    'dejavuserifb' => 'DejaVuSerif-Bold',

    'dejavuserifbi' => 'DejaVuSerif-BoldItalic',

    'dejavuserifi' => 'DejaVuSerif-Italic',

    'dejavuserifcondensed' => 'DejaVuSerifCondensed',

    'dejavuserifcondensedb' => 'DejaVuSerifCondensed-Bold',

    'dejavuserifcondensedbi' => 'DejaVuSerifCondensed-BoldItalic',

    'dejavuserifcondensedi' => 'DejaVuSerifCondensed-Italic',

    'freemono' => 'FreeMono',

    'freemonob' => 'FreeMonoBold',

    'freemonobi' => 'FreeMonoBoldOblique',

    'freemonoi' => 'FreeMonoOblique',

    'freesans' => 'FreeSans',

    'freesansb' => 'FreeSansBold',

    'freesansbi' => 'FreeSansBoldOblique',

    'freesansi' => 'FreeSansOblique',

    'freeserif' => 'FreeSerif',

    'freeserifb' => 'FreeSerifBold',

    'freeserifbi' => 'FreeSerifBoldItalic',

    'freeserifi' => 'FreeSerifItalic',

    'hysmyeongjostdmedium' => 'HYSMyeongJoStd-Medium-Acro',

    'helvetica' => 'Helvetica',

    'helveticab' => 'Helvetica Bold',

    'helveticabi' => 'Helvetica Bold Italic',

    'helveticai' => 'Helvetica Italic',

    'kozgopromedium' => 'KozGoPro-Medium-Acro',

    'kozminproregular' => 'KozMinPro-Regular-Acro',

    'msungstdlight' => 'MSungStd-Light-Acro',

    'stsongstdlight' => 'STSongStd-Light-Acro',

    'symbol' => 'Symbol',

    'times' => 'Times New Roman',

    'timesb' => 'Times New Roman Bold',

    'timesbi' => 'Times New Roman Bold Italic',

    'timesi' => 'Times New Roman Italic',

    'zapfdingbats' => 'Zapf Dingbats',

    'zarbold' => 'ZarBold'

  );

  /**

   * This method overrides the parent constructor method.

   * this is need to reset the default values.

   */

  public function __construct($orientation='P', $unit='mm', $format='A4', $unicode=TRUE, $encoding='UTF-8', $diskcache=FALSE) {

    parent::__construct($orientation, $unit, $format, $unicode, $encoding, $diskcache);

    $this->defaultOrientation = $orientation;

    $this->defaultFormat = $format;

  }

  public function setDefaultFontSize($size) {

    $this->defaultFontSize = $size;

  }

  public function setDefaultFontFamily($family) {

    $this->defaultFontFamily = $family;

  }

  public function setDefaultFontStyle($style) {

    $this->defaultFontStyle = $style;

  }

  public function setDefaultTextAlign($style) {

    $this->defaultTextAlign = $style;

  }

  public function setDefaultFontColor($color) {

    $this->defaultFontColor = $color;

  }

  public function setDefaultPageTemplate($path, $key, $pageNumbering = 'main') {

    $this->defaultPageTemplateFiles[$key] = array(

      'path' => $path,

      'numbering' => $pageNumbering

    );

  }

  public function setViewsHeader($header) {

    $this->views_header = $header;

  }

  /**

   * This method must be overriden, in the other case, some

   * output is printed to the header.

   */

  function Header() {

    if (!empty($this->views_header)) {

      $this->writeHTML($this->views_header);

    }

  }

  public function setViewsFooter($footer) {

    $this->views_footer = $footer;

   }

  /**

   * This method must be overriden, in the other case, some

   * output is printed to the footer.

   */

  function Footer() {

    $this->SetY(-$this->bMargin);

    if (!empty($this->views_footer)) {

      $this->writeHTML($this->views_footer);

    }

  }

  /**

   * Converts a hex color into an array with RGB colors.

   */

  public function convertHexColorToArray($hex) {

    if (drupal_strlen($hex) == 6) {

      $r = drupal_substr($hex, 0, 2);

      $g = drupal_substr($hex, 2, 2);

      $b = drupal_substr($hex, 4, 2);

      return array(hexdec($r), hexdec($g), hexdec($b));

    }

    elseif (drupal_strlen($hex) == 3) {

      $r = drupal_substr($hex, 0, 1);

      $g = drupal_substr($hex, 1, 1);

      $b = drupal_substr($hex, 2, 1);

      return array(hexdec($r), hexdec($g), hexdec($b));

    }

    else {

      return array();

    }

  }

  /**

   * Parse color input into an array.

   *

   * @param string $color

   *   Color entered by the user

   *

   * @return array

   *   Color as an array

   */

  public function parseColor($color) {

    $color = trim($color, ', ');

    $components = explode(',', $color);

    if (count($components) == 1) {

      return $this->convertHexColorToArray($color);

    }

    else {

      // Remove white spaces from comonents:

      foreach ($components as $id => $component) {

        $components[$id] = trim($component);

      }

      return $components;

    }

  }

  /**

   * This method draws a field on the PDF.

   */

  public function drawContent($row, $options, &$view = NULL, $key = NULL, $printLabels = TRUE) {

    if (!is_array($options)) {

      $options = array();

    }

    // Set defaults:

    $options += array(

      'position' => array(),

      'text' => array(),

      'render' => array(),

    );

    $options['position'] += array(

      'corner' => 'top_left',

      'x' => 0,

      'y' => 0,

      'object' => 'last_position',

      'width' => 0,

      'height' => 0,

    );

    $options['text'] += array(

      'font_family' => 'default',

      'font_style' => '',

    );

    $options['render'] += array(

      'eval_before' => '',

      'eval_after' => '',

      'bypass_eval_before' => FALSE,

      'bypass_eval_after' => FALSE,

    );

    $x = $y = 0;

    // Get the page dimensions

    $pageDim = $this->getPageDimensions();

    // Check if there is a minimum space defined. If so, then ensure

    // that we have enough space left on this page. If not force adding

    // a new one.

    if (isset($options['render']['minimal_space'])) {

      $enoughtSpace = ($this->y + $this->bMargin + $options['render']['minimal_space']) < $pageDim['hk'];

    }

    else {

      $enoughtSpace = TRUE;

    }

    // Check if there is a page, if not add it:

    if (!$enoughtSpace OR $this->getPage() == 0 OR $this->addNewPageBeforeNextContent == TRUE) {

      $this->addNewPageBeforeNextContent = FALSE;

      $this->addPage();

    }

    // Get the page dimenstions again, because it can be that a new

    // page was added with new dimensions.

    $pageDim = $this->getPageDimensions();

    // Determine the last writting y coordinate, if we are on a new

    // page we need to reset it back to the top margin.

    if ($this->lastWritingPage != $this->getPage() OR ($this->y + $this->bMargin) > $pageDim['hk']) {

      $last_writing_y_position = $this->tMargin;

    }

    else {

      $last_writing_y_position = $this->y;

    }

    // Determin the x and y coordinates

    if ($options['position']['object'] == 'last_position') {

      $x = $this->x + $options['position']['x'];

      $y = $this->y + $options['position']['y'];

    }

    elseif ($options['position']['object'] == 'page') {

      switch ($options['position']['corner']) {

        default:

        case 'top_left':

          $x = $options['position']['x']+$this->lMargin;

          $y = $options['position']['y']+$this->tMargin;

          break;

        case 'top_right':

          $x = $options['position']['x'] + $pageDim['wk'] - $this->rMargin;

          $y = $options['position']['y'] + $this->tMargin;

          break;

        case 'bottom_left':

          $x = $options['position']['x'] + $this->rMargin;

          $y = $options['position']['y'] + $pageDim['hk'] - $this->bMargin;

          break;

        case 'bottom_right':

          $x = $options['position']['x'] + $pageDim['wk'] - $this->rMargin;

          $y = $options['position']['y'] + $pageDim['hk'] - $this->bMargin;

          break;

      }

    }

    elseif (

      $options['position']['object'] == 'self' or

      //$options['position']['object'] == 'last' or

      preg_match('/field\_(.*)/', $options['position']['object'], $rs)

    ) {

      if ($options['position']['object'] == 'last') {

        $relative_to_element = $this->lastWritingElement;

      }

      elseif ($options['position']['object'] == 'self') {

        $relative_to_element = $key;

      }

      else {

        $relative_to_element = $rs[1];

      }

      if (isset($this->elements[$relative_to_element])) {

        switch ($options['position']['corner']) {

          default:

          case 'top_left':

            $x = $options['position']['x'] + $this->elements[$relative_to_element]['x'];

            $y = $options['position']['y'] + $this->elements[$relative_to_element]['y'];

            break;

          case 'top_right':

            $x = $options['position']['x'] + $this->elements[$relative_to_element]['x'] + $this->elements[$relative_to_element]['width'];

            $y = $options['position']['y'] + $this->elements[$relative_to_element]['y'];

            break;

          case 'bottom_left':

            $x = $options['position']['x'] + $this->elements[$relative_to_element]['x'];

            $y = $options['position']['y'] + $this->elements[$relative_to_element]['y'] + $this->elements[$relative_to_element]['height'];

            break;

          case 'bottom_right':

            $x = $options['position']['x'] + $this->elements[$relative_to_element]['x'] + $this->elements[$relative_to_element]['width'];

            $y = $options['position']['y'] + $this->elements[$relative_to_element]['y'] + $this->elements[$relative_to_element]['height'];

            break;

        }

        // Handle if the relative element is on another page. So using the

        // the last writing position instead for y.

        if ($this->getPage() != $this->elements[$relative_to_element]['page'] && $options['position']['object'] != 'self') {

          $this->setPage($this->elements[$relative_to_element]['page']);

        }

        elseif ($this->getPage() != $this->elements[$relative_to_element]['page'] && $options['position']['object'] == 'self') {

          $y = $y - $this->elements[$relative_to_element]['y'] + $last_writing_y_position;

          $this->SetPage($this->lastWritingPage);

        }

      }

      else {

        $x = $this->x;

        $y = $last_writing_y_position;

      }

    }

    // No position match (for example header/footer)

    else {

      // Render or return

      if (is_object($view) && $key != NULL ) {

        $content = $view->field[$key]->theme($row);

      }

      else{

        return;

      }

    }

    if ($key !== NULL && $view->field[$key]->theme($row) || !empty($row)) {

      $this->SetX($x);

      $this->SetY($y);

      $this->renderRow($x, $y, $row, $options, $view, $key, $printLabels);

    }

  }

  protected function renderRow($x, $y, $row, $options, &$view = NULL, $key = NULL, $printLabels = TRUE) {

    $pageDim = $this->getPageDimensions();

    // Render the content if it is not already:

    if (is_object($view) && $key != NULL && isset($view->field[$key]) && is_object($view->field[$key]) && !is_string($row)) {

      $content = $view->field[$key]->theme($row);

    }

    elseif (is_string($row)) {

      $content = $row;

    }

    else {

      // We got bad data. So return.

      return;

    }

    if (empty($key) || !empty($view->field[$key]->options['exclude']) || (empty($content) && $view->field[$key]->options['hide_empty'])) {

      return '';

    }

    // Apply the hyphenation patterns to the content:

    if (!isset($options['text']['hyphenate']) && is_object($view) && is_object($view->display_handler)) {

      $options['text']['hyphenate'] = $view->display_handler->get_option('default_text_hyphenate');

    }

    if (isset($options['text']['hyphenate']) && $options['text']['hyphenate'] != 'none') {

      $patternFile = $options['text']['hyphenate'];

      if ($options['text']['hyphenate'] == 'auto' && is_object($row)) {

        // Workaround:

        // Since "$nodeLanguage = $row->node_language;" does not work anymore,

        // we using this:

        if (isset($row->_field_data['nid']['entity']->language)) {

          $nodeLanguage = $row->_field_data['nid']['entity']->language;

          foreach (self::getAvailableHyphenatePatterns() as $file => $pattern) {

            if (stristr($pattern, $nodeLanguage) !== FALSE) {

              $patternFile = $file;

              break;

            }

          }

        }

      }

      $patternFile = views_pdf_get_library('tcpdf') . '/hyphenate_patterns/' . $patternFile;

      if (file_exists($patternFile)) {

        if (method_exists('TCPDF_STATIC', 'getHyphenPatternsFromTEX')) {

          $hyphen_patterns = TCPDF_STATIC::getHyphenPatternsFromTEX($patternFile);

        }

        else {

          $hyphen_patterns = $this->getHyphenPatternsFromTEX($patternFile);

        }

        // Bugfix if you like to print some html code to the PDF, we

        // need to prevent the replacement of this tags.

        $content = str_replace('>', '>', $content);

        $content = str_replace('<', '<', $content);

        $content = $this->hyphenateText($content, $hyphen_patterns);

      }

    }

    // Set css variable

    if (is_object($view) && is_object($view->display_handler)) {

      $css_file = $view->display_handler->get_option('css_file');

    }

    // Render Labels

    $prefix = '';

    if ($printLabels && !empty($view->field[$key]->options['label'])) {

      $prefix = $view->field[$key]->options['label'];

      if ($view->field[$key]->options['element_label_colon']) {

        $prefix .= ':';

      }

      $prefix .= ' ';

    }

    $font_size = empty($options['text']['font_size']) ? $this->defaultFontSize : $options['text']['font_size'] ;

    $font_family = ($options['text']['font_family'] == 'default' || empty($options['text']['font_family'])) ? $this->defaultFontFamily : $options['text']['font_family'];

    $font_style = is_array($options['text']['font_style']) ? $options['text']['font_style'] : $this->defaultFontStyle;

    $textColor = !empty($options['text']['color']) ? $this->parseColor($options['text']['color']) : $this->parseColor($this->defaultFontColor);

    $w = $options['position']['width'];

    $h = $options['position']['height'];

    $border = 0;

    $align = isset($options['text']['align']) ? $options['text']['align'] : $this->defaultTextAlign;

    $fill = 0;

    $ln = 1;

    $reseth = TRUE;

    $stretch = 0;

    $ishtml = isset($options['render']['is_html']) ? $options['render']['is_html'] : 1;

    $stripHTML = !$ishtml;

    $autopadding = TRUE;

    $maxh = 0;

    $valign = 'T';

    $fitcell = FALSE;

    // Run eval before.

    if (!empty($options['render']['bypass_eval_before']) && !empty($options['render']['eval_before'])) {

      eval($options['render']['eval_before']);

    }

    elseif (!empty($options['render']['eval_before']))  {

      $content = php_eval($options['render']['eval_before']);

    }

    // Add css if there is a css file set and stripHTML is not active.

    if (!empty($css_file) && is_string($css_file) && !$stripHTML && $ishtml && !empty($content)) {

      $content = '<link type="text/css" rel="stylesheet" media="all" href="' . $css_file . '" />' . PHP_EOL . $content;

    }

    // Set Text Color.

    $this->SetTextColorArray($textColor);

    // Set font.

    $this->SetFont($font_family, implode('', $font_style), $font_size);

    // Save the last page before starting writing, this

    // is needed to dected if we write over a page. Then we need

    // to reset the y coordinate for the 'last_writing' position option.

    $this->lastWritingPage = $this->getPage();

    if ($stripHTML) {

      $content = strip_tags($content);

    }

    // Write the content of a field to the pdf file:

    if (!empty($content)) {

      $this->MultiCell($w, $h, $prefix . $content, $border, $align, $fill, $ln, $x, $y, $reseth, $stretch, $ishtml, $autopadding, $maxh, $valign, $fitcell);

    }

    else {

      $this->MultiCell($w, $h, $prefix, $border, $align, $fill, $ln, $x, $y, $reseth, $stretch, $ishtml, $autopadding, $maxh, $valign, $fitcell);

    }

    // Reset font to default.

    $this->SetFont($this->defaultFontFamily, implode('', $this->defaultFontStyle), $this->defaultFontSize);

    // Run eval after.

    if (!empty($options['render']['bypass_eval_after']) && !empty($options['render']['eval_after'])) {

      eval($options['render']['eval_after']);

    }

    elseif (!empty($options['render']['eval_after'])) {

      $content = php_eval($options['render']['eval_after']);

    }

    // Write Coordinates of element.

    $this->elements[$key] = array(

      'x' => $x,

      'y' => $y,

      'width' => empty($w) ? ($pageDim['wk'] - $this->rMargin-$x) : $w,

      'height' => $this->y - $y,

      'page' => $this->lastWritingPage,

    );

    $this->lastWritingElement = $key;

  }

  /**

   * This method draws a table on the PDF.

   */

  public function drawTable(&$view, $options) {

    $rows = $view->result;

    $columns = $view->field;

    $pageDim = $this->getPageDimensions();

    // Set draw point to the indicated position:

    if (empty($options['position']['x'])) {

      $options['position']['x'] = 0;

    }

    if (empty($options['position']['y'])) {

      $options['position']['y'] = 0;

    }

    if (isset($options['position']['last_writing_position']) && $options['position']['last_writing_position']) {

      $y = $options['position']['y'] + $this->y;

      $x = $options['position']['x'] + $this->x;

    }

    else {

      $y = $options['position']['y'];

      $x = $options['position']['x'];

    }

    if (isset($options['position']['width']) && !empty($options['position']['width'])) {

      $width = $options['position']['width'];

    }

    else {

      $width = $pageDim['wk'] - $this->rMargin - $x;

    }

    $sumWidth = 0;

    $numberOfColumnsWithoutWidth = 0;

    // Set the definitiv width of a column

    foreach ($columns as $id => $columnName) {

      if (isset($options['info'][$id]['position']['width']) && !empty($options['info'][$id]['position']['width'])) {

        $sumWidth += $options['info'][$id]['position']['width'];

      }

      else {

        $numberOfColumnsWithoutWidth++;

      }

    }

    if ($numberOfColumnsWithoutWidth > 0) {

      $defaultColumnWidth = ($width - $sumWidth) / $numberOfColumnsWithoutWidth;

    }

    else {

      $defaultColumnWidth = 0;

    }

    // Print header:

    $rowX = $x;

    $page = $this->getPage();

    if ($page == 0) {

      $this->addPage();

      $page = $this->getPage();

    }

    if (!isset($options['position']['row_height']) || empty($options['position']['row_height'])) {

      $options['position']['row_height'] = 0;

    }

    foreach ($columns as $id => $column) {

      if (!empty($column->options['exclude'])) {

        continue;

      }

      if (!is_array($options['info'][$id])) {

        $options['info'][$id] = array();

      }

      $options['info'][$id] += array(

        'header_style' => array(),

        'body_style' => array(),

      );

      $options['info'][$id]['header_style'] += array(

        'position' => array(),

        'text' => array(),

        'render' => array(),

      );

      $options['info'][$id]['header_style']['position'] += array(

        'corner' => 'top_left',

        'x' => NULL,

        'y' => NULL,

        'object' => '',

        'width' => NULL,

        'height' => NULL,

      );

      $options['info'][$id]['header_style']['text'] += array(

        'font_family' => 'default',

        'font_style' => '',

      );

      $options['info'][$id]['header_style']['text'] += array(

        'eval_before' => '',

        'eval_after' => '',

      );

      $options['info'][$id]['body_style'] += array(

        'position' => array(),

        'text' => array(),

        'render' => array(),

      );

      $options['info'][$id]['body_style']['position'] += array(

        'corner' => 'top_left',

        'x' => NULL,

        'y' => NULL,

        'object' => '',

        'width' => NULL,

        'height' => NULL,

      );

      $options['info'][$id]['body_style']['text'] += array(

        'font_family' => 'default',

        'font_style' => '',

      );

      $options['info'][$id]['body_style']['text'] += array(

        'eval_before' => '',

        'eval_after' => '',

      );

      $headerOptions = $options['info'][$id]['header_style'];

      if (isset($options['info'][$id]['position']['width']) && !empty($options['info'][$id]['position']['width'])) {

        $headerOptions['position']['width'] = $options['info'][$id]['position']['width'];

      }

      else {

        $headerOptions['position']['width'] = $defaultColumnWidth;

      }

      $headerOptions['position']['object'] = 'last_position_without_reset';

      $this->SetY($y);

      $this->SetX($x);

      $this->setPage($page);

      $this->renderRow($x, $y, $column->options['label'], $headerOptions, $view, $id, FALSE);

      $x += $headerOptions['position']['width'];

    }

    $rowY = $this->y;

    if (!isset($options['position']['row_height']) || empty($options['position']['row_height'])) {

      $options['position']['row_height'] = 0;

    }

    foreach ($rows as $row) {

      $x = $rowX;

       // Get the page dimensions

      $pageDim = $this->getPageDimensions();

      if (($rowY + $this->bMargin + $options['position']['row_height']) > $pageDim['hk']) {

        $rowY = $this->tMargin;

        $this->addPage();

      }

      if ($this->lastWritingPage != $this->getPage()) {

        $rowY = $this->y; // $rowY - $pageDim['hk']

      }

      $y = $rowY;

      $page = $this->getPage();

      foreach ($columns as $id => $column) {

        if (!empty($column->options['exclude']) && is_object($view->field[$id])) {

          // Render the element, but dont print the output. This

          // is required to allow the use of tokens in other fields.

          $view->field[$id]->theme($row);

          continue;

        }

        $bodyOptions = $options['info'][$id]['body_style'];

        if (isset($options['info'][$id]['position']['width']) && !empty($options['info'][$id]['position']['width'])) {

          $bodyOptions['position']['width'] = $options['info'][$id]['position']['width'];

        }

        else {

          $bodyOptions['position']['width'] = $defaultColumnWidth;

        }

        $bodyOptions['position']['object'] = 'last_position';

        $this->setPage($page);

        $this->SetY($y);

        $this->SetX($x);

        $bodyOptions['position']['height'] = 0;

        $this->renderRow($x, $y, $row, $bodyOptions, $view, $id, FALSE);

        $x += $bodyOptions['position']['width'];

        // If the cell is writting over the row, we need to adjust the

        // row y position.

        if (($rowY + $options['position']['row_height']) < $this->y) {

          $rowY = $this->y - $options['position']['row_height'];

        }

      }

      $rowY += $options['position']['row_height'];

    }

    $this->SetY($rowY + $options['position']['row_height']);

  }

  /**

   * This method adds a existing PDF document to the current document. If

   * the file does not exists this method will return 0. In all other cases

   * it will returns the number of the added pages.

   *

   * @param $path string Path to the file

   * @return integer Number of added pages

   */

  public function addPdfDocument($path) {

    if (empty($path) || !file_exists($path)) {

      return 0;

    }

    $numberOfPages = $this->setSourceFile($path);

    for ($i = 1; $i <= $numberOfPages; $i++) {

      $dim = $this->getTemplateSize($i);

      $format[0] = $dim['w'];

      $format[1] = $dim['h'];

      if ($dim['w'] > $dim['h']) {

        $orientation = 'L';

      }

      else {

        $orientation = 'P';

      }

      $this->setPageFormat($format, $orientation);

      parent::addPage();

      // Ensure that all new content is printed to a new page

      $this->y = 0;

      $page = $this->importPage($i);

      $this->useTemplate($page, 0, 0);

      $this->addNewPageBeforeNextContent = TRUE;

    }

    return $numberOfPages;

  }

  /**

   * This method resets the page number. This is useful if you want to start

   * the numbering by zero.

   */

  public function resetRowPageNumber() {

    $this->rowContentPageNumber = 0;

  }

  /**

   * This method adds a new page to the PDF.

   */

  public function addPage($orientation = '', $format = '', $keepmargins = false, $tocpage = false, $path = NULL, $reset = FALSE, $numbering = 'main') {

    // Do not add any new page, if we are writing

    // in the footer or header.

    if ($this->InFooter) {

      return;

    }

    $this->mainContentPageNumber++;

    $this->rowContentPageNumber++;

    // Prevent a reset without any template

    if ($reset == TRUE && (empty($path) || !file_exists($path))) {

      parent::addPage();

      $this->setPageFormat($this->defaultFormat, $this->defaultOrientation);

      return;

    }

    $files = $this->defaultPageTemplateFiles;

    // Reset with new template

    if ($reset) {

      $files = array();

    }

    if ($path != NULL) {

      $files[] = array('path' => $path, 'numbering' => $numbering);

    }

    $format = FALSE;

    foreach ($files as $file) {

      if (!empty($file['path']) && file_exists($file['path'])) {

        $path = realpath($file['path']);

        $numberOfPages = $this->setSourceFile($path);

        if ($file['numbering'] == 'row')  {

          $index = min($this->rowContentPageNumber, $numberOfPages);

        }

        else {

          $index = min($this->mainContentPageNumber, $numberOfPages);

        }

        $page = $this->importPage($index);