Merge CodeIgniter 3 support

1 files changed, 218 insertions, 211 deletions

diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index a2353d1e1..50c5e358b 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -1,19 +1,41 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
 /**
  * CodeIgniter
  *
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
  *
- * @package		CodeIgniter
- * @author		ExpressionEngine Dev Team
- * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license		http://codeigniter.com/user_guide/license.html
- * @link		http://codeigniter.com
- * @since		Version 1.3.1
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright	Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license	http://opensource.org/licenses/MIT	MIT License
+ * @link	https://codeigniter.com
+ * @since	Version 1.3.1
  * @filesource
  */
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
 
 /**
  * HTML Table Generating Class
@@ -23,23 +45,82 @@
  * @package		CodeIgniter
  * @subpackage	Libraries
  * @category	HTML Tables
- * @author		ExpressionEngine Dev Team
- * @link		http://codeigniter.com/user_guide/libraries/uri.html
+ * @author		EllisLab Dev Team
+ * @link		https://codeigniter.com/user_guide/libraries/table.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		= "";
-	var	$function			= FALSE;
+	/**
+	 * Data for table rows
+	 *
+	 * @var array
+	 */
+	public $rows		= array();
+
+	/**
+	 * Data for table heading
+	 *
+	 * @var array
+	 */
+	public $heading		= array();
+
+	/**
+	 * Whether or not to automatically create the table header
+	 *
+	 * @var bool
+	 */
+	public $auto_heading	= TRUE;
+
+	/**
+	 * Table caption
+	 *
+	 * @var string
+	 */
+	public $caption		= NULL;
+
+	/**
+	 * Table layout template
+	 *
+	 * @var array
+	 */
+	public $template	= NULL;
+
+	/**
+	 * Newline setting
+	 *
+	 * @var string
+	 */
+	public $newline		= "\n";
+
+	/**
+	 * Contents of empty cells
+	 *
+	 * @var string
+	 */
+	public $empty_cells	= '';
+
+	/**
+	 * Callback for custom table layout
+	 *
+	 * @var function
+	 */
+	public $function	= NULL;
 
-	public function __construct()
+	/**
+	 * Set the template from the table config file if it exists
+	 *
+	 * @param	array	$config	(default: array())
+	 * @return	void
+	 */
+	public function __construct($config = array())
 	{
-		log_message('debug', "Table Class Initialized");
+		// initialize config
+		foreach ($config as $key => $val)
+		{
+			$this->template[$key] = $val;
+		}
+
+		log_message('info', 'Table Class Initialized');
 	}
 
 	// --------------------------------------------------------------------
@@ -47,11 +128,10 @@ class CI_Table {
 	/**
 	 * Set the template
 	 *
-	 * @access	public
-	 * @param	array
-	 * @return	void
+	 * @param	array	$template
+	 * @return	bool
 	 */
-	function set_template($template)
+	public function set_template($template)
 	{
 		if ( ! is_array($template))
 		{
@@ -59,6 +139,7 @@ class CI_Table {
 		}
 
 		$this->template = $template;
+		return TRUE;
 	}
 
 	// --------------------------------------------------------------------
@@ -68,32 +149,30 @@ class CI_Table {
 	 *
 	 * Can be passed as an array or discreet params
 	 *
-	 * @access	public
 	 * @param	mixed
-	 * @return	void
+	 * @return	CI_Table
 	 */
-	function set_heading()
+	public function set_heading($args = array())
 	{
-		$args = func_get_args();
-		$this->heading = $this->_prep_args($args);
+		$this->heading = $this->_prep_args(func_get_args());
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
 
 	/**
-	 * Set columns.  Takes a one-dimensional array as input and creates
+	 * 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
+	 * 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
+	 * @param	array	$array
+	 * @param	int	$col_limit
+	 * @return	array
 	 */
-	function make_columns($array = array(), $col_limit = 0)
+	public function make_columns($array = array(), $col_limit = 0)
 	{
-		if ( ! is_array($array) OR count($array) == 0)
+		if ( ! is_array($array) OR count($array) === 0 OR ! is_int($col_limit))
 		{
 			return FALSE;
 		}
@@ -102,13 +181,13 @@ class CI_Table {
 		// will want headings from a one-dimensional array
 		$this->auto_heading = FALSE;
 
-		if ($col_limit == 0)
+		if ($col_limit === 0)
 		{
 			return $array;
 		}
 
 		$new = array();
-		while (count($array) > 0)
+		do
 		{
 			$temp = array_splice($array, 0, $col_limit);
 
@@ -122,6 +201,7 @@ class CI_Table {
 
 			$new[] = $temp;
 		}
+		while (count($array) > 0);
 
 		return $new;
 	}
@@ -133,13 +213,13 @@ class CI_Table {
 	 *
 	 * Can be passed as an array or discreet params
 	 *
-	 * @access	public
-	 * @param	mixed
-	 * @return	void
+	 * @param	mixed	$value
+	 * @return	CI_Table
 	 */
-	function set_empty($value)
+	public function set_empty($value)
 	{
 		$this->empty_cells = $value;
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
@@ -149,14 +229,13 @@ class CI_Table {
 	 *
 	 * Can be passed as an array or discreet params
 	 *
-	 * @access	public
 	 * @param	mixed
-	 * @return	void
+	 * @return	CI_Table
 	 */
-	function add_row()
+	public function add_row($args = array())
 	{
-		$args = func_get_args();
-		$this->rows[] = $this->_prep_args($args);
+		$this->rows[] = $this->_prep_args(func_get_args());
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
@@ -166,42 +245,22 @@ class CI_Table {
 	 *
 	 * Ensures a standard associative array format for all cell data
 	 *
-	 * @access	public
-	 * @param	type
-	 * @return	type
+	 * @param	array
+	 * @return	array
 	 */
-	function _prep_args($args)
+	protected function _prep_args($args)
 	{
 		// If there is no $args[0], skip this and treat as an associative array
 		// This can happen if there is only a single key, for example this is passed to table->generate
 		// array(array('foo'=>'bar'))
-		if (isset($args[0]) AND (count($args) == 1 && is_array($args[0])))
+		if (isset($args[0]) && count($args) === 1 && is_array($args[0]) && ! isset($args[0]['data']))
 		{
-			// args sent as indexed array
-			if ( ! isset($args[0]['data']))
-			{
-				foreach ($args[0] as $key => $val)
-				{
-					if (is_array($val) && isset($val['data']))
-					{
-						$args[$key] = $val;
-					}
-					else
-					{
-						$args[$key] = array('data' => $val);
-					}
-				}
-			}
+			$args = $args[0];
 		}
-		else
+
+		foreach ($args as $key => $val)
 		{
-			foreach ($args as $key => $val)
-			{
-				if ( ! is_array($val))
-				{
-					$args[$key] = array('data' => $val);
-				}
-			}
+			is_array($val) OR $args[$key] = array('data' => $val);
 		}
 
 		return $args;
@@ -212,13 +271,13 @@ class CI_Table {
 	/**
 	 * Add a table caption
 	 *
-	 * @access	public
-	 * @param	string
-	 * @return	void
+	 * @param	string	$caption
+	 * @return	CI_Table
 	 */
-	function set_caption($caption)
+	public function set_caption($caption)
 	{
 		$this->caption = $caption;
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
@@ -226,29 +285,27 @@ class CI_Table {
 	/**
 	 * Generate the table
 	 *
-	 * @access	public
-	 * @param	mixed
+	 * @param	mixed	$table_data
 	 * @return	string
 	 */
-	function generate($table_data = NULL)
+	public 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 ( ! empty($table_data))
 		{
-			if (is_object($table_data))
+			if ($table_data instanceof CI_DB_result)
 			{
-				$this->_set_from_object($table_data);
+				$this->_set_from_db_result($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);
+				$this->_set_from_array($table_data);
 			}
 		}
 
-		// Is there anything to display?  No?  Smite them!
-		if (count($this->heading) == 0 AND count($this->rows) == 0)
+		// Is there anything to display? No? Smite them!
+		if (empty($this->heading) && empty($this->rows))
 		{
 			return 'Undefined table data';
 		}
@@ -256,29 +313,26 @@ class CI_Table {
 		// Compile and validate the template date
 		$this->_compile_template();
 
-		// set a custom cell manipulation function to a locally scoped variable so its callable
-		$function = $this->function;
+		// Validate a possibly existing custom cell manipulation function
+		if (isset($this->function) && ! is_callable($this->function))
+		{
+			$this->function = NULL;
+		}
 
 		// Build the table!
 
-		$out = $this->template['table_open'];
-		$out .= $this->newline;
+		$out = $this->template['table_open'].$this->newline;
 
 		// Add any caption here
 		if ($this->caption)
 		{
-			$out .= $this->newline;
-			$out .= '<caption>' . $this->caption . '</caption>';
-			$out .= $this->newline;
+			$out .= '<caption>'.$this->caption.'</caption>'.$this->newline;
 		}
 
 		// Is there a table heading to display?
-		if (count($this->heading) > 0)
+		if ( ! empty($this->heading))
 		{
-			$out .= $this->template['thead_open'];
-			$out .= $this->newline;
-			$out .= $this->template['heading_row_start'];
-			$out .= $this->newline;
+			$out .= $this->template['thead_open'].$this->newline.$this->template['heading_row_start'].$this->newline;
 
 			foreach ($this->heading as $heading)
 			{
@@ -286,28 +340,22 @@ class CI_Table {
 
 				foreach ($heading as $key => $val)
 				{
-					if ($key != 'data')
+					if ($key !== 'data')
 					{
-						$temp = str_replace('<th', "<th $key='$val'", $temp);
+						$temp = str_replace('<th', '<th '.$key.'="'.$val.'"', $temp);
 					}
 				}
 
-				$out .= $temp;
-				$out .= isset($heading['data']) ? $heading['data'] : '';
-				$out .= $this->template['heading_cell_end'];
+				$out .= $temp.(isset($heading['data']) ? $heading['data'] : '').$this->template['heading_cell_end'];
 			}
 
-			$out .= $this->template['heading_row_end'];
-			$out .= $this->newline;
-			$out .= $this->template['thead_close'];
-			$out .= $this->newline;
+			$out .= $this->template['heading_row_end'].$this->newline.$this->template['thead_close'].$this->newline;
 		}
 
 		// Build the table rows
-		if (count($this->rows) > 0)
+		if ( ! empty($this->rows))
 		{
-			$out .= $this->template['tbody_open'];
-			$out .= $this->newline;
+			$out .= $this->template['tbody_open'].$this->newline;
 
 			$i = 1;
 			foreach ($this->rows as $row)
@@ -318,10 +366,9 @@ class CI_Table {
 				}
 
 				// We use modulus to alternate the row colors
-				$name = (fmod($i++, 2)) ? '' : 'alt_';
+				$name = fmod($i++, 2) ? '' : 'alt_';
 
-				$out .= $this->template['row_'.$name.'start'];
-				$out .= $this->newline;
+				$out .= $this->template['row_'.$name.'start'].$this->newline;
 
 				foreach ($row as $cell)
 				{
@@ -329,40 +376,35 @@ class CI_Table {
 
 					foreach ($cell as $key => $val)
 					{
-						if ($key != 'data')
+						if ($key !== 'data')
 						{
-							$temp = str_replace('<td', "<td $key='$val'", $temp);
+							$temp = str_replace('<td', '<td '.$key.'="'.$val.'"', $temp);
 						}
 					}
 
 					$cell = isset($cell['data']) ? $cell['data'] : '';
 					$out .= $temp;
 
-					if ($cell === "" OR $cell === NULL)
+					if ($cell === '' OR $cell === NULL)
 					{
 						$out .= $this->empty_cells;
 					}
+					elseif (isset($this->function))
+					{
+						$out .= call_user_func($this->function, $cell);
+					}
 					else
 					{
-						if ($function !== FALSE && is_callable($function))
-						{
-							$out .= call_user_func($function, $cell);
-						}
-						else
-						{
-							$out .= $cell;
-						}
+						$out .= $cell;
 					}
 
 					$out .= $this->template['cell_'.$name.'end'];
 				}
 
-				$out .= $this->template['row_'.$name.'end'];
-				$out .= $this->newline;
+				$out .= $this->template['row_'.$name.'end'].$this->newline;
 			}
 
-			$out .= $this->template['tbody_close'];
-			$out .= $this->newline;
+			$out .= $this->template['tbody_close'].$this->newline;
 		}
 
 		$out .= $this->template['table_close'];
@@ -378,14 +420,14 @@ class CI_Table {
 	/**
 	 * Clears the table arrays.  Useful if multiple tables are being generated
 	 *
-	 * @access	public
-	 * @return	void
+	 * @return	CI_Table
 	 */
-	function clear()
+	public function clear()
 	{
-		$this->rows				= array();
-		$this->heading			= array();
-		$this->auto_heading		= TRUE;
+		$this->rows = array();
+		$this->heading = array();
+		$this->auto_heading = TRUE;
+		return $this;
 	}
 
 	// --------------------------------------------------------------------
@@ -393,36 +435,20 @@ class CI_Table {
 	/**
 	 * Set table data from a database result object
 	 *
-	 * @access	public
-	 * @param	object
+	 * @param	CI_DB_result	$object	Database result object
 	 * @return	void
 	 */
-	function _set_from_object($query)
+	protected function _set_from_db_result($object)
 	{
-		if ( ! is_object($query))
-		{
-			return FALSE;
-		}
-
 		// First generate the headings from the table column names
-		if (count($this->heading) == 0)
+		if ($this->auto_heading === TRUE && empty($this->heading))
 		{
-			if ( ! method_exists($query, 'list_fields'))
-			{
-				return FALSE;
-			}
-
-			$this->heading = $this->_prep_args($query->list_fields());
+			$this->heading = $this->_prep_args($object->list_fields());
 		}
 
-		// Next blast through the result array and build out the rows
-
-		if ($query->num_rows() > 0)
+		foreach ($object->result_array() as $row)
 		{
-			foreach ($query->result_array() as $row)
-			{
-				$this->rows[] = $this->_prep_args($row);
-			}
+			$this->rows[] = $this->_prep_args($row);
 		}
 	}
 
@@ -431,31 +457,19 @@ class CI_Table {
 	/**
 	 * Set table data from an array
 	 *
-	 * @access	public
-	 * @param	array
+	 * @param	array	$data
 	 * @return	void
 	 */
-	function _set_from_array($data, $set_heading = TRUE)
+	protected function _set_from_array($data)
 	{
-		if ( ! is_array($data) OR count($data) == 0)
+		if ($this->auto_heading === TRUE && empty($this->heading))
 		{
-			return FALSE;
+			$this->heading = $this->_prep_args(array_shift($data));
 		}
 
-		$i = 0;
-		foreach ($data as $row)
+		foreach ($data as &$row)
 		{
-			// If a heading hasn't already been set we'll use the first row of the array as the heading
-			if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0 AND $set_heading == TRUE)
-			{
-				$this->heading = $this->_prep_args($row);
-			}
-			else
-			{
-				$this->rows[] = $this->_prep_args($row);
-			}
-
-			$i++;
+			$this->rows[] = $this->_prep_args($row);
 		}
 	}
 
@@ -464,12 +478,11 @@ class CI_Table {
 	/**
 	 * Compile Template
 	 *
-	 * @access	private
 	 * @return	void
 	 */
-	function _compile_template()
+	protected function _compile_template()
 	{
-		if ($this->template == NULL)
+		if ($this->template === NULL)
 		{
 			$this->template = $this->_default_template();
 			return;
@@ -490,42 +503,36 @@ class CI_Table {
 	/**
 	 * Default Template
 	 *
-	 * @access	private
-	 * @return	void
+	 * @return	array
 	 */
-	function _default_template()
+	protected function _default_template()
 	{
-		return  array (
-						'table_open'			=> '<table border="0" cellpadding="4" cellspacing="0">',
+		return array(
+			'table_open'		=> '<table border="0" cellpadding="4" cellspacing="0">',
 
-						'thead_open'			=> '<thead>',
-						'thead_close'			=> '</thead>',
+			'thead_open'		=> '<thead>',
+			'thead_close'		=> '</thead>',
 
-						'heading_row_start'		=> '<tr>',
-						'heading_row_end'		=> '</tr>',
-						'heading_cell_start'	=> '<th>',
-						'heading_cell_end'		=> '</th>',
+			'heading_row_start'	=> '<tr>',
+			'heading_row_end'	=> '</tr>',
+			'heading_cell_start'	=> '<th>',
+			'heading_cell_end'	=> '</th>',
 
-						'tbody_open'			=> '<tbody>',
-						'tbody_close'			=> '</tbody>',
+			'tbody_open'		=> '<tbody>',
+			'tbody_close'		=> '</tbody>',
 
-						'row_start'				=> '<tr>',
-						'row_end'				=> '</tr>',
-						'cell_start'			=> '<td>',
-						'cell_end'				=> '</td>',
+			'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>',
+			'row_alt_start'		=> '<tr>',
+			'row_alt_end'		=> '</tr>',
+			'cell_alt_start'	=> '<td>',
+			'cell_alt_end'		=> '</td>',
 
-						'table_close'			=> '</table>'
-					);
+			'table_close'		=> '</table>'
+		);
 	}
 
-
 }
-
-
-/* End of file Table.php */
-/* Location: ./system/libraries/Table.php */
\ No newline at end of file