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1 <?php |
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2 /** |
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3 * Widget API: WP_Widget_Calendar class |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Widgets |
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7 * @since 4.4.0 |
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8 */ |
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9 |
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10 /** |
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11 * Core class used to implement the Calendar widget. |
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12 * |
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13 * @since 2.8.0 |
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14 * |
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15 * @see WP_Widget |
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16 */ |
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17 class WP_Widget_Calendar extends WP_Widget { |
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18 /** |
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19 * Ensure that the ID attribute only appears in the markup once |
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20 * |
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21 * @since 4.4.0 |
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22 * |
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23 * @static |
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24 * @var int |
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25 */ |
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26 private static $instance = 0; |
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27 |
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28 /** |
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29 * Sets up a new Calendar widget instance. |
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30 * |
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31 * @since 2.8.0 |
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32 */ |
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33 public function __construct() { |
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34 $widget_ops = array( |
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35 'classname' => 'widget_calendar', |
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36 'description' => __( 'A calendar of your site’s Posts.' ), |
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37 'customize_selective_refresh' => true, |
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38 ); |
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39 parent::__construct( 'calendar', __( 'Calendar' ), $widget_ops ); |
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40 } |
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41 |
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42 /** |
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43 * Outputs the content for the current Calendar widget instance. |
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44 * |
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45 * @since 2.8.0 |
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46 * |
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47 * @param array $args Display arguments including 'before_title', 'after_title', |
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48 * 'before_widget', and 'after_widget'. |
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49 * @param array $instance The settings for the particular instance of the widget. |
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50 */ |
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51 public function widget( $args, $instance ) { |
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52 $title = ! empty( $instance['title'] ) ? $instance['title'] : ''; |
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53 |
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54 /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
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55 $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
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56 |
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57 echo $args['before_widget']; |
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58 if ( $title ) { |
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59 echo $args['before_title'] . $title . $args['after_title']; |
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60 } |
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61 if ( 0 === self::$instance ) { |
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62 echo '<div id="calendar_wrap" class="calendar_wrap">'; |
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63 } else { |
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64 echo '<div class="calendar_wrap">'; |
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65 } |
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66 get_calendar(); |
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67 echo '</div>'; |
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68 echo $args['after_widget']; |
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69 |
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70 self::$instance++; |
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71 } |
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72 |
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73 /** |
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74 * Handles updating settings for the current Calendar widget instance. |
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75 * |
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76 * @since 2.8.0 |
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77 * |
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78 * @param array $new_instance New settings for this instance as input by the user via |
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79 * WP_Widget::form(). |
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80 * @param array $old_instance Old settings for this instance. |
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81 * @return array Updated settings to save. |
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82 */ |
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83 public function update( $new_instance, $old_instance ) { |
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84 $instance = $old_instance; |
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85 $instance['title'] = sanitize_text_field( $new_instance['title'] ); |
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86 |
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87 return $instance; |
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88 } |
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89 |
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90 /** |
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91 * Outputs the settings form for the Calendar widget. |
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92 * |
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93 * @since 2.8.0 |
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94 * |
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95 * @param array $instance Current settings. |
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96 */ |
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97 public function form( $instance ) { |
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98 $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) ); |
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99 $title = sanitize_text_field( $instance['title'] ); |
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100 ?> |
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101 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> |
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102 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p> |
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103 <?php |
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104 } |
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105 } |