Ajax Archive Calendar

<?php
/*
  Plugin Name: Ajax Archive Calendar
  Plugin URI: http://projapotibd.com
  Description: Ajax Archive Calendar is not only Calendar is also Archive. It is making by customize WordPress default calendar. I hope every body enjoy this plugin.
  Author: osmansorkar
  Version: 2.5
  Author URI: http://www.projapotibd.com/
 */

/**
 * Enqueue frontend scripts.
 */
add_action('wp_enqueue_scripts', 'ajax_ac_enqueue_scripts');

/**
 * Make sure we have jquery available.
 */
function ajax_ac_enqueue_scripts() {
    wp_enqueue_script('jquery');
}

/**
 * Add function to widgets_init that'll load our widget.
 * @since 0.1
 */
add_action('widgets_init', 'ajax_ac_int');

/**
 * Register our widget.
 * 'Example_Widget' is the widget class used below.
 *
 * @since 0.1
 */
function ajax_ac_int() {
    register_widget('ajax_ac_widget');
}

/* * ******************************************************** */

class ajax_ac_widget extends WP_Widget {

    function __construct() {
        parent::__construct(
            'ajax_ac_widget', // Base ID
            'Ajax Archive calendar', // Name
            array('description' => 'It is Ajax Archive Calendar', 'text_domain') // Args
        );
    }

    /*   * ******************** It will be sow home page**************** */

    function widget($args, $instance) {
        global $wp_locale;

        extract($args);
        $title = apply_filters('widget_title', $instance['title']);

        /* Before widget (defined by themes). */
        echo $before_widget;

        /* $title define by from */
        if ($title)
        /* after title and before title defince by thime */
            echo $before_title . $title . $after_title;
        /* end title */
        /* now start your degine */
        ?>
        <div id="ajax_ac_widget">
            <div class="select_ca">
                <select name="month" id="my_month" >
                    <?php
                    $month = array();
                    for ($i = 1; $i <= 12; $i++) {
                        $monthnum = zeroise($i, 2);
                        $month[$monthnum] = $wp_locale->get_month($i);
                    }

                    global $m;
                    if (empty($m) || $m == '') {
                        $nowm = date('m');
                        $nowyear = date('Y');
                    } else {
                        $mmm = str_split($m, 2);
                        $nowm = zeroise(intval(substr($m, 4, 2)), 2);
                        $nowyear = $mmm['0'] . $mmm['1'];
                    }

                    foreach ($month as $k => $mu) {
                        if ($k == $nowm) {
                            echo '<option value="' . $k . '" selected="selected" >' . $mu . '</option>';
                        } else {
                            echo '<option value="' . $k . '">' . $mu . '</option>';
                        }
                    }
                    ?>
                </select>

                <?php
                $find = array("1", "2", "3", "4", "5", "6", "7", "8", "9", "0",);
                $replace = array("১", "২", "৩", "৪", "৫", "৬", "৭", "৮", "৯", "০",);


                $taryear = $nowyear + 5;
                $yeararr = array();
                $lassyear = $nowyear - 5;
                for ($nowyearrr = $lassyear; $nowyearrr <= $taryear; $nowyearrr++) {
                    $yeararr[$nowyearrr] = $nowyearrr;
                }
                ?>

                <select name="Year" id="my_year" >
                    <?php
                    foreach ($yeararr as $k => $year) {
                        if ('bn' === substr(get_locale(), 0, 2)) {
                            $year = str_replace($find, $replace, $year);
                        }
                        if ($k == $nowyear) {
                            echo '<option value="' . $k . '" selected="selected" >' . $year . '</option>';
                        } else {
                            echo '<option value="' . $k . '">' . $year . '</option>';
                        }
                    }
                    ?>

                </select>
            </div><!--select ca -->
            <div class="clear" style="clear:both; margin-bottom: 5px;"></div>
            <div id="my_calender">

            </div><!--my_calender -->
            <div class="aj-loging"><img src="<?php $url = plugin_dir_url(__FILE__);
                    echo $url . 'loading.gif';
                    ?>" /></div>
            <script type="text/javascript" >
                jQuery('#my_month,#my_year').change(function (e) {
                    jQuery(".aj-loging").css("display", "block");
                    jQuery("#my_calender").css("opacity", "0.30");
                    var mon = jQuery('#my_month').val();
                    var year = jQuery('#my_year').val();
                    var to = year + mon;
                    var data = {
                        action: 'ajax_ac',
                        ma: to
                    };

                    // since 2.8 ajaxurl is always defined in the admin header and points to admin-ajax.php
                    jQuery.get(ajaxurl, data, function (response) {
                        jQuery("#my_calender").html(response);
                        jQuery(".aj-loging").css("display", "none");
                        jQuery("#my_calender").css("opacity", "1.00");
                    });

                });
            </script>

            <script type="text/javascript" >


                jQuery(document).ready(function (e) {
        <?php
        if (!isset($_GET['m'])) {
            echo 'var a=' . date('Ym');
        } else
            echo 'var a=' . $_GET['m'];
        ?>

                    var data = {
                        action: 'ajax_ac',
                        ma: a,
                    };

                    // since 2.8 ajaxurl is always defined in the admin header and points to admin-ajax.php
                    jQuery.get(ajaxurl, data, function (response) {
                        jQuery("#my_calender").html(response);
                        jQuery(".aj-loging").css("display", "none");
                        jQuery("#my_calender").css("opacity", "1.00");
                    });
                });
            </script>


        </div>

        <?php
        /* now end your degine

          /*arter_widget define by thimed */
        echo $after_widget;
    }

    /*   * ****************** It Update widget ****************************** */

    function update($new_instance, $old_instance) {
        $instance = $old_instance;
        $instance['title'] = strip_tags($new_instance['title']);
        return $instance;
    }

    /*   * ********************** It is sow only admin menu********************************* */

    function form($instance) {
        $defaults = array('title' => 'Archive Calendar');
        $instance = wp_parse_args((array) $instance, $defaults);
        ?>
        <p>
            <label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:', 'Recent post'); ?></label>
            <input id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo $instance['title']; ?>" style="width:100%;" />
        </p>


        <?php
    }

// end from function
}

// end widget class


add_action('wp_ajax_ajax_ac', 'ajax_ac_callback');
add_action('wp_ajax_nopriv_ajax_ac', 'ajax_ac_callback');

function ajax_ac_callback() {
    $ma = $_GET['ma'];
    ajax_ac_calendar($ma);
    die(); // this is required to return a proper result
}

function ajax_ac_calendar($ma, $echo = true) {
    global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
    $m = & $ma;
    $cache = array();
    $key = md5(get_locale() . $m);

    if ($cache = wp_cache_get('get_calendar', 'calendar')) {
        if (is_array($cache) && isset($cache[$key])) {
            if ($echo) {
                echo apply_filters('get_calendar', $cache[$key]);
                return;
            } else {
                return apply_filters('get_calendar', $cache[$key]);
            }
        }
    }

    if (!is_array($cache))
        $cache = array();

    // Quick check. If we have no posts at all, abort!
    if (!$posts) {
        $gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1");
        if (!$gotsome) {
            $cache[$key] = '';
            wp_cache_set('get_calendar', $cache, 'calendar');
            return;
        }
    }

    if (isset($_GET['w']))
        $w = '' . intval($_GET['w']);

    // week_begins = 0 stands for Sunday
    $week_begins = intval(get_option('start_of_week'));

    // Let's figure out when we are
    if (!empty($monthnum) && !empty($year)) {
        $thismonth = '' . zeroise(intval($monthnum), 2);
        $thisyear = '' . intval($year);
    } elseif (!empty($w)) {
        // We need to get the month from MySQL
        $thisyear = '' . intval(substr($m, 0, 4));
        $d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's
        $thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')");
    } elseif (!empty($m)) {
        $thisyear = '' . intval(substr($m, 0, 4));
        if (strlen($m) < 6)
            $thismonth = '01';
        else
            $thismonth = '' . zeroise(intval(substr($m, 4, 2)), 2);
    } else {
        $thisyear = gmdate('Y', current_time('timestamp'));
        $thismonth = gmdate('m', current_time('timestamp'));
    }

    $unixmonth = mktime(0, 0, 0, $thismonth, 1, $thisyear);
    $last_day = date('t', $unixmonth);

    $calendar_output = '<table id="my-calendar">
<thead>
<tr>';

    $myweek = array();

    for ($wdcount = 0; $wdcount <= 6; $wdcount++) {
        $myweek[] = $wp_locale->get_weekday(($wdcount + $week_begins) % 7);
    }

    $barr = array('Saturday' => 'শনি', 'Sunday' => 'রবি', 'Monday' => 'সোম', 'Tuesday' => 'মঙ্গল', 'Wednesday' => 'বুধ', 'Thursday' => 'বৃহ', 'Friday' => 'শুক্র');
    foreach ($myweek as $wd) {
        if ('bn' === substr(get_locale(), 0, 2)) {
            $day_name = $barr[$wd];
        } else {
            $day_name = $wp_locale->get_weekday_abbrev($wd);
        }
        $wd = esc_attr($wd);
        $calendar_output .= "\n\t\t<th class=\"$day_name\" scope=\"col\" title=\"$wd\">$day_name</th>";
    }

    $calendar_output .= '
</tr>
</thead>

<tbody>
<tr>';

    // Get days with posts
    $dayswithposts = get_posts(array(
        'suppress_filters' => false,
        'post_type' => 'post',
        'post_status' => 'publish',
        'monthnum' => $thismonth,
        'year' => $thisyear,
    ));

    if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'camino') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false)
        $ak_title_separator = "\n";
    else
        $ak_title_separator = ', ';

    $daywithpost = array();
    $ak_titles_for_day = array();
    if ($dayswithposts) {
        foreach ((array) $dayswithposts as $ak_post) {
            $daywith = date('d', strtotime($ak_post->post_date));
            if (!in_array($daywith, $daywithpost)) {
                $daywithpost[] = $daywith;
            }

            $post_title = esc_attr(get_the_title($ak_post));
            if (empty($ak_titles_for_day[$daywith])) // first one
                $ak_titles_for_day[$daywith] = $post_title;
            else
                $ak_titles_for_day[$daywith] .= $ak_title_separator . $post_title;
        }
    }

    // See how much we should pad in the beginning
    $pad = calendar_week_mod(date('w', $unixmonth) - $week_begins);
    if (0 != $pad)
        $calendar_output .= "\n\t\t" . '<td colspan="' . esc_attr($pad) . '" class="pad">&nbsp;</td>';

    $daysinmonth = intval(date('t', $unixmonth));
    for ($day = 1; $day <= $daysinmonth; ++$day) {
        if ('bn' === substr(get_locale(), 0, 2)) {
            $dayrrr = array(
                '1' => '১',
                '2' => '২',
                '3' => '৩',
                '4' => '৪',
                '5' => '৫',
                '6' => '৬',
                '7' => '৭',
                '8' => '৮',
                '9' => '৯',
                '10' => '১০',
                '11' => '১১',
                '12' => '১২',
                '13' => '১৩',
                '14' => '১৪',
                '15' => '১৫',
                '16' => '১৬',
                '17' => '১৭',
                '18' => '১৮',
                '19' => '১৯',
                '20' => '২০',
                '21' => '২১',
                '22' => '২২',
                '23' => '২৩',
                '24' => '২৪',
                '25' => '২৫',
                '26' => '২৬',
                '27' => '২৭',
                '28' => '২৮',
                '29' => '২৯',
                '30' => '৩০',
                '31' => '৩১',
            );
        } else {
            $dayrrr = array(
                '1' => '1',
                '2' => '2',
                '3' => '3',
                '4' => '4',
                '5' => '5',
                '6' => '6',
                '7' => '7',
                '8' => '8',
                '9' => '9',
                '10' => '10',
                '11' => '11',
                '12' => '12',
                '13' => '13',
                '14' => '14',
                '15' => '15',
                '16' => '16',
                '17' => '17',
                '18' => '18',
                '19' => '19',
                '20' => '20',
                '21' => '21',
                '22' => '22',
                '23' => '23',
                '24' => '24',
                '25' => '25',
                '26' => '26',
                '27' => '27',
                '28' => '28',
                '29' => '29',
                '30' => '30',
                '31' => '31',
            );
        }
        if (isset($newrow) && $newrow)
            $calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t";
        $newrow = false;



        if ($day == gmdate('j', current_time('timestamp')) && $thismonth == gmdate('m', current_time('timestamp')) && $thisyear == gmdate('Y', current_time('timestamp')))
            $calendar_output .= '<td id="today"  >';
        else
            $calendar_output .= '<td class="notday">';

        if (in_array($day, $daywithpost)) // any posts today?
            $calendar_output .= '<a class="has-post" href="' . get_day_link($thisyear, $thismonth, $day) . '" title="' . esc_attr($ak_titles_for_day[$day]) . "\">$dayrrr[$day]</a>";
        else
            $calendar_output .= '<span class="notpost">' . $dayrrr[$day] . '</span>';
        $calendar_output .= '</td>';

        if (6 == calendar_week_mod(date('w', mktime(0, 0, 0, $thismonth, $day, $thisyear)) - $week_begins))
            $newrow = true;
    }

    $pad = 7 - calendar_week_mod(date('w', mktime(0, 0, 0, $thismonth, $day, $thisyear)) - $week_begins);
    if ($pad != 0 && $pad != 7)
        $calendar_output .= "\n\t\t" . '<td class="pad" colspan="' . esc_attr($pad) . '">&nbsp;</td>';

    $calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>";

    $cache[$key] = $calendar_output;
    wp_cache_set('get_calendar', $cache, 'calendar');

    if ($echo)
        echo apply_filters('get_calendar', $calendar_output);
    else
        return apply_filters('get_calendar', $calendar_output);
}

function ajax_ac_head() {
    ?>
    <script type="text/javascript">
        var ajaxurl = '<?php echo admin_url('admin-ajax.php'); ?>';
    </script>

    <style type="text/css">

        #ajax_ac_widget th {
            background: none repeat scroll 0 0 #008000;
            color: #FFFFFF;
            font-weight: normal;
            padding: 5px 1px;
            text-align: center;
            font-size: 16px;
        }
        #ajax_ac_widget {
            padding: 5px;
        }

        #ajax_ac_widget td {
            border: 1px solid #CCCCCC;
            text-align: center;
        }

        #my-calendar a {
            background: none repeat scroll 0 0 #008000;
            color: #FFFFFF;
            display: block;
            padding: 6px 0;
            width: 100% !important;
            border-radius:20px;
        }
        #my-calendar{
            width:100%;
        }


        #my_calender span {
            display: block;
            padding: 6px 0;
            width: 100% !important;
            background-color:#999;
            border-radius:20px;
        }

        #today a,#today span {
            background: none repeat scroll 0 0 #FF0000 !important;
            color: #FFFFFF;
            border-radius:20px;
        }
        #ajax_ac_widget #my_year {
            float: right;
        }
        .select_ca #my_month {
            float: left;
        }
        .aj-loging > img {
            margin-left: 140px;
            margin-top: -100px;
            position: absolute;
        }

    </style>
    <?php
}

add_filter('wp_head', 'ajax_ac_head');