440 lines
9.0 KiB
PHP
440 lines
9.0 KiB
PHP
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 4.3.2 or newer
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*
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* @package CodeIgniter
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* @author ExpressionEngine Dev Team
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* @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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* @since Version 1.3.1
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* @filesource
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*/
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// ------------------------------------------------------------------------
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/**
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* HTML Table Generating Class
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*
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* Lets you create tables manually or from database result objects, or arrays.
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category HTML Tables
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/libraries/uri.html
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*/
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class CI_Table {
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var $rows = array();
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var $heading = array();
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var $auto_heading = TRUE;
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var $caption = NULL;
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var $template = NULL;
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var $newline = "\n";
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var $empty_cells = "";
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function CI_Table()
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{
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log_message('debug', "Table Class Initialized");
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}
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// --------------------------------------------------------------------
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/**
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* Set the template
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*
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* @access public
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* @param array
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* @return void
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*/
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function set_template($template)
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{
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if ( ! is_array($template))
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{
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return FALSE;
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}
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$this->template = $template;
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}
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// --------------------------------------------------------------------
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/**
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* Set the table heading
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*
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* Can be passed as an array or discreet params
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*
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* @access public
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* @param mixed
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* @return void
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*/
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function set_heading()
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{
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$args = func_get_args();
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$this->heading = (is_array($args[0])) ? $args[0] : $args;
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}
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// --------------------------------------------------------------------
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/**
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* Set columns. Takes a one-dimensional array as input and creates
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* a multi-dimensional array with a depth equal to the number of
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* columns. This allows a single array with many elements to be
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* displayed in a table that has a fixed column count.
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*
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* @access public
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* @param array
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* @param int
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* @return void
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*/
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function make_columns($array = array(), $col_limit = 0)
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{
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if ( ! is_array($array) OR count($array) == 0)
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{
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return FALSE;
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}
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// Turn off the auto-heading feature since it's doubtful we
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// will want headings from a one-dimensional array
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$this->auto_heading = FALSE;
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if ($col_limit == 0)
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{
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return $array;
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}
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$new = array();
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while(count($array) > 0)
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{
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$temp = array_splice($array, 0, $col_limit);
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if (count($temp) < $col_limit)
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{
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for ($i = count($temp); $i < $col_limit; $i++)
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{
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$temp[] = ' ';
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}
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}
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$new[] = $temp;
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}
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return $new;
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}
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// --------------------------------------------------------------------
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/**
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* Set "empty" cells
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*
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* Can be passed as an array or discreet params
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*
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* @access public
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* @param mixed
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* @return void
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*/
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function set_empty($value)
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{
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$this->empty_cells = $value;
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}
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// --------------------------------------------------------------------
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/**
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* Add a table row
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*
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* Can be passed as an array or discreet params
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*
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* @access public
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* @param mixed
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* @return void
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*/
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function add_row()
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{
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$args = func_get_args();
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$this->rows[] = (is_array($args[0])) ? $args[0] : $args;
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}
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// --------------------------------------------------------------------
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/**
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* Add a table caption
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*
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* @access public
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* @param string
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* @return void
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*/
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function set_caption($caption)
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{
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$this->caption = $caption;
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}
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// --------------------------------------------------------------------
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/**
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* Generate the table
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*
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* @access public
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* @param mixed
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* @return string
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*/
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function generate($table_data = NULL)
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{
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// The table data can optionally be passed to this function
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// either as a database result object or an array
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if ( ! is_null($table_data))
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{
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if (is_object($table_data))
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{
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$this->_set_from_object($table_data);
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}
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elseif (is_array($table_data))
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{
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$set_heading = (count($this->heading) == 0 AND $this->auto_heading == FALSE) ? FALSE : TRUE;
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$this->_set_from_array($table_data, $set_heading);
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}
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}
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// Is there anything to display? No? Smite them!
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if (count($this->heading) == 0 AND count($this->rows) == 0)
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{
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return 'Undefined table data';
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}
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// Compile and validate the template date
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$this->_compile_template();
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// Build the table!
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$out = $this->template['table_open'];
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$out .= $this->newline;
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// Add any caption here
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if ($this->caption)
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{
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$out .= $this->newline;
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$out .= '<caption>' . $this->caption . '</caption>';
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$out .= $this->newline;
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}
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// Is there a table heading to display?
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if (count($this->heading) > 0)
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{
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$out .= $this->template['heading_row_start'];
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$out .= $this->newline;
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foreach($this->heading as $heading)
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{
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$out .= $this->template['heading_cell_start'];
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$out .= $heading;
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$out .= $this->template['heading_cell_end'];
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}
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$out .= $this->template['heading_row_end'];
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$out .= $this->newline;
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}
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// Build the table rows
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if (count($this->rows) > 0)
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{
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$i = 1;
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foreach($this->rows as $row)
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{
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if ( ! is_array($row))
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{
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break;
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}
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// We use modulus to alternate the row colors
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$name = (fmod($i++, 2)) ? '' : 'alt_';
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$out .= $this->template['row_'.$name.'start'];
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$out .= $this->newline;
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foreach($row as $cell)
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{
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$out .= $this->template['cell_'.$name.'start'];
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if ($cell === "")
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{
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$out .= $this->empty_cells;
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}
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else
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{
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$out .= $cell;
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}
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$out .= $this->template['cell_'.$name.'end'];
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}
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$out .= $this->template['row_'.$name.'end'];
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$out .= $this->newline;
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}
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}
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$out .= $this->template['table_close'];
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return $out;
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}
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// --------------------------------------------------------------------
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/**
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* Clears the table arrays. Useful if multiple tables are being generated
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*
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* @access public
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* @return void
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*/
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function clear()
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{
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$this->rows = array();
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$this->heading = array();
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$this->auto_heading = TRUE;
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}
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// --------------------------------------------------------------------
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/**
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* Set table data from a database result object
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*
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* @access public
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* @param object
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* @return void
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*/
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function _set_from_object($query)
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{
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if ( ! is_object($query))
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{
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return FALSE;
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}
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// First generate the headings from the table column names
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if (count($this->heading) == 0)
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{
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if ( ! method_exists($query, 'list_fields'))
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{
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return FALSE;
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}
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$this->heading = $query->list_fields();
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}
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// Next blast through the result array and build out the rows
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if ($query->num_rows() > 0)
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{
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foreach ($query->result_array() as $row)
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{
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$this->rows[] = $row;
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}
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}
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}
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// --------------------------------------------------------------------
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/**
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* Set table data from an array
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*
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* @access public
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* @param array
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* @return void
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*/
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function _set_from_array($data, $set_heading = TRUE)
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{
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if ( ! is_array($data) OR count($data) == 0)
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{
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return FALSE;
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}
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$i = 0;
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foreach ($data as $row)
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{
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if ( ! is_array($row))
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{
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$this->rows[] = $data;
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break;
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}
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// If a heading hasn't already been set we'll use the first row of the array as the heading
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if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0 AND $set_heading == TRUE)
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{
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$this->heading = $row;
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}
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else
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{
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$this->rows[] = $row;
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}
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$i++;
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}
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}
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// --------------------------------------------------------------------
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/**
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* Compile Template
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*
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* @access private
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* @return void
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*/
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function _compile_template()
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{
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if ($this->template == NULL)
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{
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$this->template = $this->_default_template();
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return;
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}
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$this->temp = $this->_default_template();
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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 $val)
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{
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if ( ! isset($this->template[$val]))
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{
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$this->template[$val] = $this->temp[$val];
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}
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}
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}
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// --------------------------------------------------------------------
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/**
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* Default Template
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*
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* @access private
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* @return void
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*/
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function _default_template()
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{
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return array (
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'table_open' => '<table border="0" cellpadding="4" cellspacing="0">',
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'heading_row_start' => '<tr>',
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'heading_row_end' => '</tr>',
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'heading_cell_start' => '<th>',
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'heading_cell_end' => '</th>',
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'row_start' => '<tr>',
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'row_end' => '</tr>',
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'cell_start' => '<td>',
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'cell_end' => '</td>',
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'row_alt_start' => '<tr>',
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'row_alt_end' => '</tr>',
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'cell_alt_start' => '<td>',
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'cell_alt_end' => '</td>',
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'table_close' => '</table>'
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);
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}
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}
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/* End of file Table.php */
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||
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/* Location: ./system/libraries/Table.php */
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