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<?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) 2008, 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 $empty_cells = ""; |
|
|
function CI_Table() |
{ |
log_message('debug', "Table Class Initialized"); |
} |
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// -------------------------------------------------------------------- |
|
/** |
* Set the template |
* |
* @access public |
* @param array |
* @return void |
*/ |
function set_template($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; |
} |
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// -------------------------------------------------------------------- |
|
/** |
* 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[] = $data; |
break; |
} |
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// If a heading hasn't already been set we'll use the first row of the array as the heading |
if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0 AND $set_heading == TRUE) |
{ |
$this->heading = $row; |
} |
else |
{ |
$this->rows[] = $row; |
} |
|
$i++; |
} |
} |
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// -------------------------------------------------------------------- |
|
/** |
* Compile Template |
* |
* @access private |
* @return void |
*/ |
function _compile_template() |
{ |
if ($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]; |
} |
} |
} |
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// -------------------------------------------------------------------- |
|
/** |
* 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>' |
); |
} |
|
|
} |
|
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/* End of file Table.php */ |
/* Location: ./system/libraries/Table.php */ |