| <?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 1.0 | |
| * @filesource | |
| */ | |
| // ------------------------------------------------------------------------ | |
| /** | |
| * CodeIgniter Calendar Class | |
| * | |
| * This class enables the creation of calendars | |
| * | |
| * @package CodeIgniter | |
| * @subpackage Libraries | |
| * @category Libraries | |
| * @author ExpressionEngine Dev Team | |
| * @link http://codeigniter.com/user_guide/libraries/calendar.html | |
| */ | |
| class CI_Calendar { | |
| var $CI; | |
| var $lang; | |
| var $local_time; | |
| var $template = ''; | |
| var $start_day = 'sunday'; | |
| var $month_type = 'long'; | |
| var $day_type = 'abr'; | |
| var $show_next_prev = FALSE; | |
| var $next_prev_url = ''; | |
| /** | |
| * Constructor | |
| * | |
| * Loads the calendar language file and sets the default time reference | |
| * | |
| * @access public | |
| */ | |
| function CI_Calendar($config = array()) | |
| { | |
| $this->CI =& get_instance(); | |
| if (! in_array('calendar_lang'.EXT, $this->CI->lang->is_loaded, TRUE)) | |
| { | |
| $this->CI->lang->load('calendar'); | |
| } | |
| $this->local_time = time(); | |
| if (count($config) > 0) | |
| { | |
| $this->initialize($config); | |
| } | |
| log_message('debug', "Calendar Class Initialized"); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Initialize the user preferences | |
| * | |
| * Accepts an associative array as input, containing display preferences | |
| * | |
| * @access public | |
| * @param array config preferences | |
| * @return void | |
| */ | |
| function initialize($config = array()) | |
| { | |
| foreach ($config as $key => $val) | |
| { | |
| if (isset($this->$key)) | |
| { | |
| $this->$key = $val; | |
| } | |
| } | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Generate the calendar | |
| * | |
| * @access public | |
| * @param integer the year | |
| * @param integer the month | |
| * @param array the data to be shown in the calendar cells | |
| * @return string | |
| */ | |
| function generate($year = '', $month = '', $data = array()) | |
| { | |
| // Set and validate the supplied month/year | |
| if ($year == '') | |
| $year = date("Y", $this->local_time); | |
| if ($month == '') | |
| $month = date("m", $this->local_time); | |
| if (strlen($year) == 1) | |
| $year = '200'.$year; | |
| if (strlen($year) == 2) | |
| $year = '20'.$year; | |
| if (strlen($month) == 1) | |
| $month = '0'.$month; | |
| $adjusted_date = $this->adjust_date($month, $year); | |
| $month = $adjusted_date['month']; | |
| $year = $adjusted_date['year']; | |
| // Determine the total days in the month | |
| $total_days = $this->get_total_days($month, $year); | |
| // Set the starting day of the week | |
| $start_days = array('sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday' => 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6); | |
| $start_day = (! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day]; | |
| // Set the starting day number | |
| $local_date = mktime(12, 0, 0, $month, 1, $year); | |
| $date = getdate($local_date); | |
| $day = $start_day + 1 - $date["wday"]; | |
| while ($day > 1) | |
| { | |
| $day -= 7; | |
| } | |
| // Set the current month/year/day | |
| // We use this to determine the "today" date | |
| $cur_year = date("Y", $this->local_time); | |
| $cur_month = date("m", $this->local_time); | |
| $cur_day = date("j", $this->local_time); | |
| $is_current_month = ($cur_year == $year AND $cur_month == $month) ? TRUE : FALSE; | |
| // Generate the template data array | |
| $this->parse_template(); | |
| // Begin building the calendar output | |
| $out = $this->temp['table_open']; | |
| $out .= "\n"; | |
| $out .= "\n"; | |
| $out .= $this->temp['heading_row_start']; | |
| $out .= "\n"; | |
| // "previous" month link | |
| if ($this->show_next_prev == TRUE) | |
| { | |
| // Add a trailing slash to the URL if needed | |
| $this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/", $this->next_prev_url); | |
| $adjusted_date = $this->adjust_date($month - 1, $year); | |
| $out .= str_replace('{previous_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_previous_cell']); | |
| $out .= "\n"; | |
| } | |
| // Heading containing the month/year | |
| $colspan = ($this->show_next_prev == TRUE) ? 5 : 7; | |
| $this->temp['heading_title_cell'] = str_replace('{colspan}', $colspan, $this->temp['heading_title_cell']); | |
| $this->temp['heading_title_cell'] = str_replace('{heading}', $this->get_month_name($month)." ".$year, $this->temp['heading_title_cell']); | |
| $out .= $this->temp['heading_title_cell']; | |
| $out .= "\n"; | |
| // "next" month link | |
| if ($this->show_next_prev == TRUE) | |
| { | |
| $adjusted_date = $this->adjust_date($month + 1, $year); | |
| $out .= str_replace('{next_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_next_cell']); | |
| } | |
| $out .= "\n"; | |
| $out .= $this->temp['heading_row_end']; | |
| $out .= "\n"; | |
| // Write the cells containing the days of the week | |
| $out .= "\n"; | |
| $out .= $this->temp['week_row_start']; | |
| $out .= "\n"; | |
| $day_names = $this->get_day_names(); | |
| for ($i = 0; $i < 7; $i ++) | |
| { | |
| $out .= str_replace('{week_day}', $day_names[($start_day + $i) %7], $this->temp['week_day_cell']); | |
| } | |
| $out .= "\n"; | |
| $out .= $this->temp['week_row_end']; | |
| $out .= "\n"; | |
| // Build the main body of the calendar | |
| while ($day <= $total_days) | |
| { | |
| $out .= "\n"; | |
| $out .= $this->temp['cal_row_start']; | |
| $out .= "\n"; | |
| for ($i = 0; $i < 7; $i++) | |
| { | |
| $out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_start_today'] : $this->temp['cal_cell_start']; | |
| if ($day > 0 AND $day <= $total_days) | |
| { | |
| if (isset($data[$day])) | |
| { | |
| // Cells with content | |
| $temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_content_today'] : $this->temp['cal_cell_content']; | |
| $out .= str_replace('{day}', $day, str_replace('{content}', $data[$day], $temp)); | |
| } | |
| else | |
| { | |
| // Cells with no content | |
| $temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_no_content_today'] : $this->temp['cal_cell_no_content']; | |
| $out .= str_replace('{day}', $day, $temp); | |
| } | |
| } | |
| else | |
| { | |
| // Blank cells | |
| $out .= $this->temp['cal_cell_blank']; | |
| } | |
| $out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end']; | |
| $day++; | |
| } | |
| $out .= "\n"; | |
| $out .= $this->temp['cal_row_end']; | |
| $out .= "\n"; | |
| } | |
| $out .= "\n"; | |
| $out .= $this->temp['table_close']; | |
| return $out; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Get Month Name | |
| * | |
| * Generates a textual month name based on the numeric | |
| * month provided. | |
| * | |
| * @access public | |
| * @param integer the month | |
| * @return string | |
| */ | |
| function get_month_name($month) | |
| { | |
| if ($this->month_type == 'short') | |
| { | |
| $month_names = array('01' => 'cal_jan', '02' => 'cal_feb', '03' => 'cal_mar', '04' => 'cal_apr', '05' => 'cal_may', '06' => 'cal_jun', '07' => 'cal_jul', '08' => 'cal_aug', '09' => 'cal_sep', '10' => 'cal_oct', '11' => 'cal_nov', '12' => 'cal_dec'); | |
| } | |
| else | |
| { | |
| $month_names = array('01' => 'cal_january', '02' => 'cal_february', '03' => 'cal_march', '04' => 'cal_april', '05' => 'cal_may', '06' => 'cal_june', '07' => 'cal_july', '08' => 'cal_august', '09' => 'cal_september', '10' => 'cal_october', '11' => 'cal_november', '12' => 'cal_december'); | |
| } | |
| $month = $month_names[$month]; | |
| if ($this->CI->lang->line($month) === FALSE) | |
| { | |
| return ucfirst(str_replace('cal_', '', $month)); | |
| } | |
| return $this->CI->lang->line($month); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Get Day Names | |
| * | |
| * Returns an array of day names (Sunday, Monday, etc.) based | |
| * on the type. Options: long, short, abrev | |
| * | |
| * @access public | |
| * @param string | |
| * @return array | |
| */ | |
| function get_day_names($day_type = '') | |
| { | |
| if ($day_type != '') | |
| $this->day_type = $day_type; | |
| if ($this->day_type == 'long') | |
| { | |
| $day_names = array('sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'); | |
| } | |
| elseif ($this->day_type == 'short') | |
| { | |
| $day_names = array('sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'); | |
| } | |
| else | |
| { | |
| $day_names = array('su', 'mo', 'tu', 'we', 'th', 'fr', 'sa'); | |
| } | |
| $days = array(); | |
| foreach ($day_names as $val) | |
| { | |
| $days[] = ($this->CI->lang->line('cal_'.$val) === FALSE) ? ucfirst($val) : $this->CI->lang->line('cal_'.$val); | |
| } | |
| return $days; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Adjust Date | |
| * | |
| * This function makes sure that we have a valid month/year. | |
| * For example, if you submit 13 as the month, the year will | |
| * increment and the month will become January. | |
| * | |
| * @access public | |
| * @param integer the month | |
| * @param integer the year | |
| * @return array | |
| */ | |
| function adjust_date($month, $year) | |
| { | |
| $date = array(); | |
| $date['month'] = $month; | |
| $date['year'] = $year; | |
| while ($date['month'] > 12) | |
| { | |
| $date['month'] -= 12; | |
| $date['year']++; | |
| } | |
| while ($date['month'] <= 0) | |
| { | |
| $date['month'] += 12; | |
| $date['year']--; | |
| } | |
| if (strlen($date['month']) == 1) | |
| { | |
| $date['month'] = '0'.$date['month']; | |
| } | |
| return $date; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Total days in a given month | |
| * | |
| * @access public | |
| * @param integer the month | |
| * @param integer the year | |
| * @return integer | |
| */ | |
| function get_total_days($month, $year) | |
| { | |
| $days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); | |
| if ($month < 1 OR $month > 12) | |
| { | |
| return 0; | |
| } | |
| // Is the year a leap year? | |
| if ($month == 2) | |
| { | |
| if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0)) | |
| { | |
| return 29; | |
| } | |
| } | |
| return $days_in_month[$month - 1]; | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Set Default Template Data | |
| * | |
| * This is used in the event that the user has not created their own template | |
| * | |
| * @access public | |
| * @return array | |
| */ | |
| function default_template() | |
| { | |
| return array ( | |
| 'table_open' => '<table border="0" cellpadding="4" cellspacing="0">', | |
| 'heading_row_start' => '<tr>', | |
| 'heading_previous_cell' => '<th><a href="{previous_url}"><<</a></th>', | |
| 'heading_title_cell' => '<th colspan="{colspan}">{heading}</th>', | |
| 'heading_next_cell' => '<th><a href="{next_url}">>></a></th>', | |
| 'heading_row_end' => '</tr>', | |
| 'week_row_start' => '<tr>', | |
| 'week_day_cell' => '<td>{week_day}</td>', | |
| 'week_row_end' => '</tr>', | |
| 'cal_row_start' => '<tr>', | |
| 'cal_cell_start' => '<td>', | |
| 'cal_cell_start_today' => '<td>', | |
| 'cal_cell_content' => '<a href="{content}">{day}</a>', | |
| 'cal_cell_content_today' => '<a href="{content}"><strong>{day}</strong></a>', | |
| 'cal_cell_no_content' => '{day}', | |
| 'cal_cell_no_content_today' => '<strong>{day}</strong>', | |
| 'cal_cell_blank' => ' ', | |
| 'cal_cell_end' => '</td>', | |
| 'cal_cell_end_today' => '</td>', | |
| 'cal_row_end' => '</tr>', | |
| 'table_close' => '</table>' | |
| ); | |
| } | |
| // -------------------------------------------------------------------- | |
| /** | |
| * Parse Template | |
| * | |
| * Harvests the data within the template {pseudo-variables} | |
| * used to display the calendar | |
| * | |
| * @access public | |
| * @return void | |
| */ | |
| function parse_template() | |
| { | |
| $this->temp = $this->default_template(); | |
| if ($this->template == '') | |
| { | |
| return; | |
| } | |
| $today = array('cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today'); | |
| foreach (array('table_open', 'table_close', 'heading_row_start', 'heading_previous_cell', 'heading_title_cell', 'heading_next_cell', 'heading_row_end', 'week_row_start', 'week_day_cell', 'week_row_end', 'cal_row_start', 'cal_cell_start', 'cal_cell_content', 'cal_cell_no_content', 'cal_cell_blank', 'cal_cell_end', 'cal_row_end', 'cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today') as $val) | |
| { | |
| if (preg_match("/\{".$val."\}(.*?)\{\/".$val."\}/si", $this->template, $match)) | |
| { | |
| $this->temp[$val] = $match['1']; | |
| } | |
| else | |
| { | |
| if (in_array($val, $today, TRUE)) | |
| { | |
| $this->temp[$val] = $this->temp[str_replace('_today', '', $val)]; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // END CI_Calendar class |