<?php

/*
=====================================================
 Authur: Brian Litzinger
-----------------------------------------------------
 http://www.brianlitzinger.com/ee/
=====================================================
 This program is freeware; 
 you may use this code for any purpose, commercial or
 private, without any further permission from the author.
=====================================================
 File: pi.week_range.php
=====================================================

*/
$plugin_info = array(
    'pi_name'           => 'Week Range',
    'pi_version'        => '1.2.1',
    'pi_author'         => 'Brian Litzinger',
    'pi_author_url'     => 'http://www.brianlitzinger.com/ee/',
    'pi_description'    => 'Display a 1 week calendar',
    'pi_usage'          => Week_range::usage()
);


class Week_range {

    var $return_data;
    var $week_start;
    var $week_end;
    var $current_date;
    var $format_month;
    var $format_day;
    var $format_day_of_week;
    var $format_year;
    var $separator;
    var $date;
    var $today_first;
    
    var $start_day = 'last sunday';
    var $end_day = 'next saturday';
    
    function Week_range()
    {
        global $TMPL;
        
        $this->increment = $TMPL->fetch_param('increment') ? $TMPL->fetch_param('increment') : 0;
        $this->date = $TMPL->fetch_param('date') ? $TMPL->fetch_param('date') : date('Y-m-d');
        $this->format_month = $TMPL->fetch_param('format_month') ? $TMPL->fetch_param('format_month') : 'm';
        $this->format_day = $TMPL->fetch_param('format_day') ? $TMPL->fetch_param('format_day') : 'd';
        $this->format_day_of_week = $TMPL->fetch_param('format_day_of_week') ? $TMPL->fetch_param('format_day_of_week') : 'l';
        $this->format_year = $TMPL->fetch_param('format_year') ? $TMPL->fetch_param('format_year') : 'Y';
        $this->separator = $TMPL->fetch_param('separator') ? $TMPL->fetch_param('separator') : '&ndash;';
        $this->today_first = $TMPL->fetch_param('today_first') ? $TMPL->fetch_param('today_first') : 'no';
        
        if($this->today_first == 'yes')
        {
            $this->start_day = 'today';
            $this->end_day = strtolower('next ' . date('l', strtotime($this->start_date . '+6 days')));
        }
        
        list($this->start_date, $this->end_date) = $this->_get_range($this->date);
    }
    
    function days()
    {
        global $TMPL;
        
        for($i = 0; $i <= 6; $i++)
        {
            $tagdata = $TMPL->tagdata;
            
            foreach ($TMPL->var_single as $var)
            {
                if($var == 'count')
                {
                    $tagdata = $TMPL->swap_var_single($var, $i, $tagdata);
                }
                else
                {
                    $val = date($this->{'format_'.$var}, strtotime($this->start_date . '+' . $i .' days'));
                    $tagdata = $TMPL->swap_var_single($var, $val, $tagdata);
                }
            }
            
            $this->return_data .= $tagdata;
        }    
        
        return $this->return_data;
    }
    
    function day()
    {
        if($this->increment == '1') {
            $this->return_data = date($this->format_day, strtotime($this->start_date));
        } else {
            $increment--;
            $this->return_data = date($this->format_day, strtotime($this->start_date . '+' . $this->increment .' days'));
        }
        
        return $this->return_data;
    }
    
    function month()
    {
        $this->return_data = date($this->format_month, strtotime($this->start_date));
        return $this->return_data;
    }
    
    function year()
    {
        $this->return_data = date($this->format_year, strtotime($this->start_date));
        return $this->return_data;
    }
    
    function day_of_week()
    {
        if($this->increment == '1') {
            $this->return_data = date($this->format_day_of_week, strtotime($this->start_date));
        } else {
            $increment--;
            $this->return_data = date($this->format_day_of_week, strtotime($this->start_date . '+' . $this->increment .' days'));
        }
        
        return $this->return_data;
    }
    
    function full_date()
    {
        $month_start = date($this->format_month, strtotime($this->start_date));
        $month_end = date($this->format_month, strtotime($this->end_date));
        $day_start = date($this->format_day, strtotime($this->start_date));
        $day_end = date($this->format_day, strtotime($this->end_date));
        $year_start = date($this->format_year, strtotime($this->start_date));
        $year_end = date($this->format_year, strtotime($this->end_date));
        
        $week_title = $month_start . ' ' . $day_start;
        $week_title .= ($year_start != $year_end) ? ', ' . $year_start : '';
        $week_title .= $this->separator;
        $week_title .= ($month_start != $month_end) ? $month_end . ' ' : '';
        $week_title .= $day_end . ', ';
        $week_title .= ($year_start != $year_end) ? $year_end : $year_start;
                  
        $this->return_data = $week_title;
        return $this->return_data;
    }
    
    function _get_range($date) 
    {
        $ts = strtotime($date);
        $start = (date('w', $ts) == 0) ? $ts : strtotime($this->start_day, $ts);
        return array(date('Y-m-d', $start), date('Y-m-d', strtotime($this->end_day, $start)));
    }
    
    
    function usage()
    {

ob_start(); 
?>
Print out a single week of a calendar, or get Month, Day, or Year values from a week range with a given date. Defaults to today's date.

Loop through each day of the week, and print a calendar.
{exp:week_range:days}
    <li class="calendar_day {if '{count}' == 6}last{/if}">
        <span class="day_number">{day}</span>
        <span class="day_name">{day_of_week}</span>
        {embed="global/_calendar-day" year="{year}" month="{month}" day="{day}"}
    </li>
{/exp:week_range:days}

Find all events for each day.
{exp:weblog:entries weblog="events" dynamic="off" show_future_entries="yes" year="{embed:year}" month="{embed:month}" day="{embed:day}"}
    {title}
{/exp:weblog:entries}

To print "September 27–October 3, 2009"
{exp:week_range:full_date format_month="F" format_day="j" format_year="Y" date="2009-10-01"}

Other available methods:
{exp:week_range:day format_day="j"}

{exp:week_range:month format_month="F"}

{exp:week_range:year format_year="Y"}

{exp:week_range:day_of_week}

Parameters
------------------

date= (optional) 
Change the date you want to pass to it. Defaults to today. e.g. 2009-10-1

get= (optional default: false, options: day, month, year, day_of_week, full_date) 
Get various parts of a date

increment= (optional default: 0)
If you use some sort of other loop generator (e.g. Loop plugin)

date= (optional default: date('Y-m-d'))
Define another date to start from

separator= (optional default: '&ndash;')
If you want to separate dates with something else

format_month= (optional default: 'm') 
Use any valid PHP date format character

format_day= (optional default: 'd') 
Use any valid PHP date format character

format_day_of_week= (optional default: 'l') 
Use any valid PHP date format character

format_year= (optional default: 'Y') 
Use any valid PHP date format character

today_first= (optional default: 'no')
If 'yes', the 7 day calendar will start with today's date


Variables
------------------
{year}
{month}
{day}
{day_of_week} e.g. Monday, Tuesday etc


<?php
$buffer = ob_get_contents();

ob_end_clean(); 

return $buffer;

    }
    
}
?>