<?php

/**
* Implementation of hook_init().
*/
function export_pdf_init() {
  include_once('pdf/html2fpdf.php');
} 

/**
* Implementation of hook_export_format_info();   
*/
function export_pdf_export_format_info(){
  return array(
      'title' => 'PDF',
    );
}

/**
* Implementation of hook_export_format();
* TODO: translation
*/
function export_pdf_export_format($data, $title = ''){   
  $output       = '';        
  $attributes   = array();
  if ($border = variable_get('export_pdf_border', 0)) {
    $attributes['border'] = $border;
    $attributes['bordercolor'] = variable_get('export_pdf_border_color', '#000000');
  }
  $filename     = strlen($title) ? table_export_clean($title).'.pdf' : 'table-export.pdf' ;                            
  $data         = table_export_format_table_simple($data);
  $full_width   = variable_get('export_pdf_full_width', FALSE);
  
  // convert to format pdf   
  if ($full_width) {
    $attributes['width'] = '100%';
  }
  $output .= theme('table_export_table', $data['header'], $data['rows'], $attributes, NULL, FALSE);

  $orientation =  variable_get('export_pdf_orientation', 'p');
  $format = variable_get('export_pdf_format', 'a4');
  $unit = variable_get('export_pdf_unit', 'mm');
  
  $pdf = new HTML2FPDF($orientation, $unit, $format);
  $pdf->AddPage();
  $pdf->WriteHTML($output);
  $pdf->Output($filename, 'D');
  exit();
}    

/**
* Implementation of hook_export_format_settings();
*/
function export_pdf_export_format_settings(){ 
  $form['export_pdf_full_width'] = array(
    '#type' => 'checkbox',
    '#title' => t('Full Width'),
    '#description' => t('When TRUE the PDF table output will fill the entire document.'),
    '#default_value' => variable_get('export_pdf_full_width', FALSE),
  );
  $form['border']['export_pdf_border'] = array(
    '#type' => 'textfield',
    '#title' => t('Border width'),
    '#description' => t('The width of the border in px. Leave 0 for no border.'),
    '#default_value' => variable_get('export_pdf_border', 0),
  );
  $form['border']['export_pdf_border_color'] = array(
    '#type' => 'textfield',
    '#title' => t('Border color'),
    '#description' => t('Color is only be used when the border width is set.'),
    '#default_value' => variable_get('export_pdf_border_color', '#000000'),
  );
  
  $form['export_pdf_orientation'] = array(
    '#type' => 'select',
    '#title' => t('Orientation'),
    '#default_value' => variable_get('export_pdf_orientation', 'p'),
    '#options' => array('p' => 'Portrait', 'l' => 'Landscape'),
  );
  $form['export_pdf_format'] = array(
    '#type' => 'select',
    '#title' => t('Format'),
    '#default_value' => variable_get('export_pdf_format', 'a4'),
    '#options' => array('a3' => 'A3', 'a4' => 'A4', 'a5' => 'A5', 'letter' => 'Letter', 'legal' => 'Legal'),
  );
  $form['export_pdf_unit'] = array(
    '#type' => 'select',
    '#title' => t('Unit'),
    '#default_value' => variable_get('export_pdf_unit', 'mm'),
    '#options' => array('in' => 'inch', 'mm' => 'mm', 'cm' => 'cm'),
  );
                
  return $form;
}