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<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty {html_table} function plugin
 *
 * Type:     function<br>
 * Name:     html_table<br>
 * Date:     Feb 17, 2003<br>
 * Purpose:  make an html table from an array of data<br>
 * Input:<br>
 *         - loop = array to loop through
 *         - cols = number of columns, comma separated list of column names
 *                  or array of column names
 *         - rows = number of rows
 *         - table_attr = table attributes
 *         - th_attr = table heading attributes (arrays are cycled)
 *         - tr_attr = table row attributes (arrays are cycled)
 *         - td_attr = table cell attributes (arrays are cycled)
 *         - trailpad = value to pad trailing cells with
 *         - caption = text for caption element 
 *         - vdir = vertical direction (default: "down", means top-to-bottom)
 *         - hdir = horizontal direction (default: "right", means left-to-right)
 *         - inner = inner loop (default "cols": print $loop line by line,
 *                   $loop will be printed column by column otherwise)
 *
 *
 * Examples:
 * <pre>
 * {table loop=$data}
 * {table loop=$data cols=4 tr_attr='"bgcolor=red"'}
 * {table loop=$data cols="first,second,third" tr_attr=$colors}
 * </pre>
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @author credit to Messju Mohr <messju at lammfellpuschen dot de>
 * @author credit to boots <boots dot smarty at yahoo dot com>
 * @version  1.1
 * @link http://smarty.php.net/manual/en/language.function.html.table.php {html_table}
 *          (Smarty online manual)
 * @param array
 * @param Smarty
 * @return string
 */
function smarty_function_html_table($params, &$smarty)
{
    $table_attr = 'border="1"';
    $tr_attr = '';
    $th_attr = '';
    $td_attr = '';
    $cols = $cols_count = 3;
    $rows = 3;
    $trailpad = ' ';
    $vdir = 'down';
    $hdir = 'right';
    $inner = 'cols';
    $caption = '';

if (!isset($params['loop'])) {
        $smarty->trigger_error("html_table: missing 'loop' parameter");
        return;
    }

foreach ($params as $_key=>$_value) {
        switch ($_key) {
            case 'loop':
                $$_key = (array)$_value;
                break;

case 'cols':
                if (is_array($_value) && !empty($_value)) {
                    $cols = $_value;
                    $cols_count = count($_value);
                } elseif (!is_numeric($_value) && is_string($_value) && !empty($_value)) {
                    $cols = explode(',', $_value);
                    $cols_count = count($cols);
                } elseif (!empty($_value)) {
                    $cols_count = (int)$_value;
                } else {
                    $cols_count = $cols;
                }
                break;

case 'rows':
                $$_key = (int)$_value;
                break;

case 'table_attr':
            case 'trailpad':
            case 'hdir':
            case 'vdir':
            case 'inner':
            case 'caption':
                $$_key = (string)$_value;
                break;

case 'tr_attr':
            case 'td_attr':
            case 'th_attr':
                $$_key = $_value;
                break;
        }
    }

$loop_count = count($loop);
    if (empty($params['rows'])) {
        /* no rows specified */
        $rows = ceil($loop_count/$cols_count);
    } elseif (empty($params['cols'])) {
        if (!empty($params['rows'])) {
            /* no cols specified, but rows */
            $cols_count = ceil($loop_count/$rows);
        }
    }

$output = "<table $table_attr>\n";

if (!empty($caption)) {
        $output .= '<caption>' . $caption . "</caption>\n";
    }

if (is_array($cols)) {
        $cols = ($hdir == 'right') ? $cols : array_reverse($cols);
        $output .= "<thead><tr>\n";

for ($r=0; $r<$cols_count; $r++) {
            $output .= '<th' . smarty_function_html_table_cycle('th', $th_attr, $r) . '>';
            $output .= $cols[$r];
            $output .= "</th>\n";
        }
        $output .= "</tr></thead>\n";
    }

$output .= "<tbody>\n";
    for ($r=0; $r<$rows; $r++) {
        $output .= "<tr" . smarty_function_html_table_cycle('tr', $tr_attr, $r) . ">\n";
        $rx =  ($vdir == 'down') ? $r*$cols_count : ($rows-1-$r)*$cols_count;

for ($c=0; $c<$cols_count; $c++) {
            $x =  ($hdir == 'right') ? $rx+$c : $rx+$cols_count-1-$c;
            if ($inner!='cols') {
                /* shuffle x to loop over rows*/
                $x = floor($x/$cols_count) + ($x%$cols_count)*$rows;
            }

if ($x<$loop_count) {
                $output .= "<td" . smarty_function_html_table_cycle('td', $td_attr, $c) . ">" . $loop[$x] . "</td>\n";
            } else {
                $output .= "<td" . smarty_function_html_table_cycle('td', $td_attr, $c) . ">$trailpad</td>\n";
            }
        }
        $output .= "</tr>\n";
    }
    $output .= "</tbody>\n";
    $output .= "</table>\n";
    
    return $output;
}

/* vim: set expandtab: */