<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); | |
/** | |
* CodeIgniter | |
* | |
* An open source application development framework for PHP 4.3.2 or newer | |
* | |
* @package CodeIgniter | |
* @author ExpressionEngine Dev Team | |
* @copyright Copyright (c) 2006, EllisLab, Inc. | |
* @license http://codeigniter.com/user_guide/license.html | |
* @link http://codeigniter.com | |
* @since Version 1.3.1 | |
* @filesource | |
*/ | |
// ------------------------------------------------------------------------ | |
/** | |
* HTML Table Generating Class | |
* | |
* Lets you create tables manually or from database result objects, or arrays. | |
* | |
* @package CodeIgniter | |
* @subpackage Libraries | |
* @category HTML Tables | |
* @author ExpressionEngine Dev Team | |
* @link http://codeigniter.com/user_guide/libraries/uri.html | |
*/ | |
class CI_Table { | |
var $rows = array(); | |
var $heading = array(); | |
var $auto_heading = TRUE; | |
var $caption = NULL; | |
var $template = NULL; | |
var $newline = "\n"; | |
var $empty_cells = ""; | |
function CI_Table() | |
{ | |
log_message('debug', "Table Class Initialized"); | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Set the template | |
* | |
* @access public | |
* @param array | |
* @return void | |
*/ | |
function set_template($template) | |
{ | |
if (! is_array($template)) | |
{ | |
return FALSE; | |
} | |
$this->template = $template; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Set the table heading | |
* | |
* Can be passed as an array or discreet params | |
* | |
* @access public | |
* @param mixed | |
* @return void | |
*/ | |
function set_heading() | |
{ | |
$args = func_get_args(); | |
$this->heading = (is_array($args[0])) ? $args[0] : $args; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Set columns. Takes a one-dimensional array as input and creates | |
* a multi-dimensional array with a depth equal to the number of | |
* columns. This allows a single array with many elements to be | |
* displayed in a table that has a fixed column count. | |
* | |
* @access public | |
* @param array | |
* @param int | |
* @return void | |
*/ | |
function make_columns($array = array(), $col_limit = 0) | |
{ | |
if (! is_array($array) OR count($array) == 0) | |
{ | |
return FALSE; | |
} | |
// Turn off the auto-heading feature since it's doubtful we | |
// will want headings from a one-dimensional array | |
$this->auto_heading = FALSE; | |
if ($col_limit == 0) | |
{ | |
return $array; | |
} | |
$new = array(); | |
while(count($array) > 0) | |
{ | |
$temp = array_splice($array, 0, $col_limit); | |
if (count($temp) < $col_limit) | |
{ | |
for ($i = count($temp); $i < $col_limit; $i++) | |
{ | |
$temp[] = ' '; | |
} | |
} | |
$new[] = $temp; | |
} | |
return $new; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Set "empty" cells | |
* | |
* Can be passed as an array or discreet params | |
* | |
* @access public | |
* @param mixed | |
* @return void | |
*/ | |
function set_empty($value) | |
{ | |
$this->empty_cells = $value; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Add a table row | |
* | |
* Can be passed as an array or discreet params | |
* | |
* @access public | |
* @param mixed | |
* @return void | |
*/ | |
function add_row() | |
{ | |
$args = func_get_args(); | |
$this->rows[] = (is_array($args[0])) ? $args[0] : $args; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Add a table caption | |
* | |
* @access public | |
* @param string | |
* @return void | |
*/ | |
function set_caption($caption) | |
{ | |
$this->caption = $caption; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Generate the table | |
* | |
* @access public | |
* @param mixed | |
* @return string | |
*/ | |
function generate($table_data = NULL) | |
{ | |
// The table data can optionally be passed to this function | |
// either as a database result object or an array | |
if (! is_null($table_data)) | |
{ | |
if (is_object($table_data)) | |
{ | |
$this->_set_from_object($table_data); | |
} | |
elseif (is_array($table_data)) | |
{ | |
$set_heading = (count($this->heading) == 0 AND $this->auto_heading == FALSE) ? FALSE : TRUE; | |
$this->_set_from_array($table_data, $set_heading); | |
} | |
} | |
// Is there anything to display? No? Smite them! | |
if (count($this->heading) == 0 AND count($this->rows) == 0) | |
{ | |
return 'Undefined table data'; | |
} | |
// Compile and validate the template date | |
$this->_compile_template(); | |
// Build the table! | |
$out = $this->template['table_open']; | |
$out .= $this->newline; | |
// Add any caption here | |
if ($this->caption) | |
{ | |
$out .= $this->newline; | |
$out .= '<caption>' . $this->caption . '</caption>'; | |
$out .= $this->newline; | |
} | |
// Is there a table heading to display? | |
if (count($this->heading) > 0) | |
{ | |
$out .= $this->template['heading_row_start']; | |
$out .= $this->newline; | |
foreach($this->heading as $heading) | |
{ | |
$out .= $this->template['heading_cell_start']; | |
$out .= $heading; | |
$out .= $this->template['heading_cell_end']; | |
} | |
$out .= $this->template['heading_row_end']; | |
$out .= $this->newline; | |
} | |
// Build the table rows | |
if (count($this->rows) > 0) | |
{ | |
$i = 1; | |
foreach($this->rows as $row) | |
{ | |
if (! is_array($row)) | |
{ | |
break; | |
} | |
// We use modulus to alternate the row colors | |
$name = (fmod($i++, 2)) ? '' : 'alt_'; | |
$out .= $this->template['row_'.$name.'start']; | |
$out .= $this->newline; | |
foreach($row as $cell) | |
{ | |
$out .= $this->template['cell_'.$name.'start']; | |
if ($cell === "") | |
{ | |
$out .= $this->empty_cells; | |
} | |
else | |
{ | |
$out .= $cell; | |
} | |
$out .= $this->template['cell_'.$name.'end']; | |
} | |
$out .= $this->template['row_'.$name.'end']; | |
$out .= $this->newline; | |
} | |
} | |
$out .= $this->template['table_close']; | |
return $out; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Clears the table arrays. Useful if multiple tables are being generated | |
* | |
* @access public | |
* @return void | |
*/ | |
function clear() | |
{ | |
$this->rows = array(); | |
$this->heading = array(); | |
$this->auto_heading = TRUE; | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Set table data from a database result object | |
* | |
* @access public | |
* @param object | |
* @return void | |
*/ | |
function _set_from_object($query) | |
{ | |
if (! is_object($query)) | |
{ | |
return FALSE; | |
} | |
// First generate the headings from the table column names | |
if (count($this->heading) == 0) | |
{ | |
if (! method_exists($query, 'list_fields')) | |
{ | |
return FALSE; | |
} | |
$this->heading = $query->list_fields(); | |
} | |
// Next blast through the result array and build out the rows | |
if ($query->num_rows() > 0) | |
{ | |
foreach ($query->result_array() as $row) | |
{ | |
$this->rows[] = $row; | |
} | |
} | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Set table data from an array | |
* | |
* @access public | |
* @param array | |
* @return void | |
*/ | |
function _set_from_array($data, $set_heading = TRUE) | |
{ | |
if (! is_array($data) OR count($data) == 0) | |
{ | |
return FALSE; | |
} | |
$i = 0; | |
foreach ($data as $row) | |
{ | |
if (! is_array($row)) | |
{ | |
$this->rows[] = $data; | |
break; | |
} | |
// If a heading hasn't already been set we'll use the first row of the array as the heading | |
if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0 AND $set_heading == TRUE) | |
{ | |
$this->heading = $row; | |
} | |
else | |
{ | |
$this->rows[] = $row; | |
} | |
$i++; | |
} | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Compile Template | |
* | |
* @access private | |
* @return void | |
*/ | |
function _compile_template() | |
{ | |
if ($this->template == NULL) | |
{ | |
$this->template = $this->_default_template(); | |
return; | |
} | |
$this->temp = $this->_default_template(); | |
foreach (array('table_open','heading_row_start', 'heading_row_end', 'heading_cell_start', 'heading_cell_end', 'row_start', 'row_end', 'cell_start', 'cell_end', 'row_alt_start', 'row_alt_end', 'cell_alt_start', 'cell_alt_end', 'table_close') as $val) | |
{ | |
if (! isset($this->template[$val])) | |
{ | |
$this->template[$val] = $this->temp[$val]; | |
} | |
} | |
} | |
// -------------------------------------------------------------------- | |
/** | |
* Default Template | |
* | |
* @access private | |
* @return void | |
*/ | |
function _default_template() | |
{ | |
return array ( | |
'table_open' => '<table border="0" cellpadding="4" cellspacing="0">', | |
'heading_row_start' => '<tr>', | |
'heading_row_end' => '</tr>', | |
'heading_cell_start' => '<th>', | |
'heading_cell_end' => '</th>', | |
'row_start' => '<tr>', | |
'row_end' => '</tr>', | |
'cell_start' => '<td>', | |
'cell_end' => '</td>', | |
'row_alt_start' => '<tr>', | |
'row_alt_end' => '</tr>', | |
'cell_alt_start' => '<td>', | |
'cell_alt_end' => '</td>', | |
'table_close' => '</table>' | |
); | |
} | |
} | |