<?

/*
 * This file is part of the 'Science Fair In A Box' project
 * SFIAB Website: http://www.sfiab.ca
 *
 * Copyright (C) 2005 Sci-Tech Ontario Inc <info@scitechontario.org>
 * Copyright (C) 2005 James Grant <james@lightbox.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, version 2.
 *
 * This program 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
 *  General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
?>
<?
class lcsv
{
	var $csvdata;
	var $str_separator;
	var $str_newline;
	var $page_subheader;

	function separator()
	{
		return $this->str_separator;
	}

	function setSeparator($s)
	{
		$this->str_separator = $s;
	}

	function newline()
	{
		return $this->str_newline;
	}

	function setNewline($s)
	{
		$this->str_newline = $s;
	}

	function addTable($table)
	{
		if ($table['header']) {
			$table_cols = count($table['header']);
			for ($c = 0; $c < $table_cols; $c++) {
				$head = $table['header'][$c];
				$this->csvdata .= '"' . $head . '"';
				if ($c < $table_cols - 1)
					$this->csvdata .= $this->separator();
			}
			$this->csvdata .= $this->newline();
		} else {
			// is this right ?
			$table_cols = count($table['data'][0]);
		}

		// now do the data in the table
		if (get_value_from_array($table, 'data')) {
			foreach ($table['data'] AS $dataline) {
				for ($c = 0; $c < $table_cols; $c++) {
					// escape a single " with ""
					$returned_value = get_value_from_array($dataline, $c, '');
					if (is_object($returned_value) === false) {
						echo is_object($returned_value);
						$dataline_c = str_replace('"', '""', get_value_from_array($dataline, $c, ''));
					}

					// lets always quote it
					$this->csvdata .= '"' . $dataline_c . '"';

					if ($c < $table_cols - 1)
						$this->csvdata .= $this->separator();
				}
				$this->csvdata .= $this->newline();
			}
		}
	}

	function heading($str)
	{
		// we need to put it in quotes incase it contains a comma we dont want it going to the next 'cell'
		$this->csvdata .= '"' . $str . '"';
		$this->csvdata .= $this->newline();
	}

	function addText($str, $align = '')
	{
		// we need to put it in quotes incase it contains a comma we dont want it going to the next 'cell'
		$this->csvdata .= '"' . $str . '"';
		$this->csvdata .= $this->newline();
	}

	function addTextX($str, $align = '')
	{
		// we need to put it in quotes incase it contains a comma we dont want it going to the next 'cell'
		$this->csvdata .= '"' . $str . '",';
	}

	function setFontBold() {}

	function setFontNormal() {}

	function nextline()
	{
		$this->csvdata .= $this->newline();
	}

	function newPage()
	{
		// well we cant really go to a new page, so in teh absense of a new page, lets put a few blank lines in?
		$this->csvdata .= $this->newline();
		$this->csvdata .= $this->newline();
		$this->csvdata .= $this->newline();
	}

	function hr()
	{
		// what are we supposed to do.. nothing I guess?  blank line?
	}

	function vspace()
	{
		// do nothing
	}

	function output()
	{
		if ($this->csvdata) {
			print_r($this->page_subheader);
			$filename = strtolower(get_value_property_or_default($this, 'page_subheader', ''));
			$filename = preg_replace('/[^a-z0-9]/', '_', $filename);
			// header("Content-type: application/csv");
			header('Content-type: text/x-csv');
			header('Content-disposition: inline; filename=sfiab_' . $filename . '.csv');
			header('Content-length: ' . strlen($this->csvdata));
			header('Pragma: public');
			echo $this->csvdata;
		}
	}

	function lcsv($subheader, $sep = ',', $nl = "\r\n")
	{
		$this->page_subheader = $subheader;
		$this->setSeparator($sep);
		$this->setNewline($nl);
	}
}
?>