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Diffstat (limited to 'system/libraries/Table.php')
| -rw-r--r-- | system/libraries/Table.php | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/system/libraries/Table.php b/system/libraries/Table.php new file mode 100644 index 000000000..935a7d8a6 --- /dev/null +++ b/system/libraries/Table.php @@ -0,0 +1,325 @@ +<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); +/** + * Code Igniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author Rick Ellis + * @copyright Copyright (c) 2006, pMachine, Inc. + * @license http://www.codeignitor.com/user_guide/license.html + * @link http://www.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 Rick Ellis + * @link http://www.codeigniter.com/user_guide/libraries/uri.html + */ +class CI_Table { + + var $rows = array(); + var $heading = array(); + var $template = NULL; + var $newline = "\n"; + + + function CI_Table() + { + log_message('debug', "Table Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Set the template + * + * @access public + * @param array + * @return void + */ + function set_template($template) + { + if ( ! is_array()) + { + return FALSE; + } + + $this->template = $template; + } + + // -------------------------------------------------------------------- + + /** + * Add a table heading + * + * Can be passed as an array or discreet params + * + * @access public + * @param mixed + * @return void + */ + function add_heading() + { + $args = func_get_args(); + $this->heading = (is_array($args[0])) ? $args[0] : $args; + } + + // -------------------------------------------------------------------- + + /** + * 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] : $args; + } + + // -------------------------------------------------------------------- + + /** + * Generate the table + * + * @access public + * @param mixed + * @return string + */ + function generate($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)) + { + $this->_set_from_array($table_data); + } + } + + // 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 templata date + $this->_compile_template(); + + + // Build the table! + + $out = $this->template['table_open']; + $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 + $alt = (fmod($i++, 2)) ? '' : 'alt_'; + + $out .= $this->template['row_'.$alt.'start']; + $out .= $this->newline; + + foreach($row as $cells) + { + $out .= $this->template['cell_'.$alt.'start']; + $out .= $cells; + $out .= $this->template['cell_'.$alt.'end']; + } + + $out .= $this->template['row_'.$alt.'end']; + $out .= $this->newline; + } + } + + $out .= $this->template['table_close']; + + return $out; + } + + // -------------------------------------------------------------------- + + /** + * Set table data from a database result object + * + * @access public + * @param object + * @return void + */ + function _set_from_object($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, 'field_names')) + { + return FALSE; + } + + $this->heading = $query->field_names(); + } + + // Next blast through the result array and build out the rows + foreach ($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) + { + 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) + { + $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>' + ); + } + + + + + + + +} + +?>
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