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1 <?php |
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2 /** |
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3 * Makes a custom Widget for displaying Aside, Link, Status, and Quote Posts available with Twenty Eleven |
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4 * |
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5 * Learn more: http://codex.wordpress.org/Widgets_API#Developing_Widgets |
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6 * |
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7 * @package WordPress |
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8 * @subpackage Twenty_Eleven |
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9 * @since Twenty Eleven 1.0 |
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10 */ |
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11 class Twenty_Eleven_Ephemera_Widget extends WP_Widget { |
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12 |
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13 /** |
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14 * Constructor |
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15 * |
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16 * @return void |
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17 **/ |
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18 function Twenty_Eleven_Ephemera_Widget() { |
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19 $widget_ops = array( 'classname' => 'widget_twentyeleven_ephemera', 'description' => __( 'Use this widget to list your recent Aside, Status, Quote, and Link posts', 'twentyeleven' ) ); |
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20 $this->WP_Widget( 'widget_twentyeleven_ephemera', __( 'Twenty Eleven Ephemera', 'twentyeleven' ), $widget_ops ); |
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21 $this->alt_option_name = 'widget_twentyeleven_ephemera'; |
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22 |
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23 add_action( 'save_post', array(&$this, 'flush_widget_cache' ) ); |
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24 add_action( 'deleted_post', array(&$this, 'flush_widget_cache' ) ); |
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25 add_action( 'switch_theme', array(&$this, 'flush_widget_cache' ) ); |
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26 } |
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27 |
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28 /** |
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29 * Outputs the HTML for this widget. |
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30 * |
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31 * @param array An array of standard parameters for widgets in this theme |
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32 * @param array An array of settings for this widget instance |
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33 * @return void Echoes it's output |
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34 **/ |
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35 function widget( $args, $instance ) { |
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36 $cache = wp_cache_get( 'widget_twentyeleven_ephemera', 'widget' ); |
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37 |
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38 if ( !is_array( $cache ) ) |
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39 $cache = array(); |
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40 |
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41 if ( ! isset( $args['widget_id'] ) ) |
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42 $args['widget_id'] = null; |
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43 |
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44 if ( isset( $cache[$args['widget_id']] ) ) { |
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45 echo $cache[$args['widget_id']]; |
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46 return; |
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47 } |
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48 |
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49 ob_start(); |
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50 extract( $args, EXTR_SKIP ); |
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51 |
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52 $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Ephemera', 'twentyeleven' ) : $instance['title'], $instance, $this->id_base); |
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53 |
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54 if ( ! isset( $instance['number'] ) ) |
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55 $instance['number'] = '10'; |
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56 |
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57 if ( ! $number = absint( $instance['number'] ) ) |
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58 $number = 10; |
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59 |
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60 $ephemera_args = array( |
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61 'order' => 'DESC', |
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62 'posts_per_page' => $number, |
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63 'no_found_rows' => true, |
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64 'post_status' => 'publish', |
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65 'post__not_in' => get_option( 'sticky_posts' ), |
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66 'tax_query' => array( |
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67 array( |
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68 'taxonomy' => 'post_format', |
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69 'terms' => array( 'post-format-aside', 'post-format-link', 'post-format-status', 'post-format-quote' ), |
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70 'field' => 'slug', |
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71 'operator' => 'IN', |
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72 ), |
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73 ), |
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74 ); |
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75 $ephemera = new WP_Query( $ephemera_args ); |
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76 |
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77 if ( $ephemera->have_posts() ) : |
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78 echo $before_widget; |
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79 echo $before_title; |
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80 echo $title; // Can set this with a widget option, or omit altogether |
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81 echo $after_title; |
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82 ?> |
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83 <ol> |
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84 <?php while ( $ephemera->have_posts() ) : $ephemera->the_post(); ?> |
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85 |
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86 <?php if ( 'link' != get_post_format() ) : ?> |
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87 |
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88 <li class="widget-entry-title"> |
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89 <a href="<?php echo esc_url( get_permalink() ); ?>" title="<?php printf( esc_attr__( 'Permalink to %s', 'twentyeleven' ), the_title_attribute( 'echo=0' ) ); ?>" rel="bookmark"><?php the_title(); ?></a> |
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90 <span class="comments-link"> |
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91 <?php comments_popup_link( __( '0 <span class="reply">comments →</span>', 'twentyeleven' ), __( '1 <span class="reply">comment →</span>', 'twentyeleven' ), __( '% <span class="reply">comments →</span>', 'twentyeleven' ) ); ?> |
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92 </span> |
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93 </li> |
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94 |
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95 <?php else : ?> |
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96 |
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97 <li class="widget-entry-title"> |
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98 <?php |
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99 // Grab first link from the post content. If none found, use the post permalink as fallback. |
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100 $link_url = twentyeleven_url_grabber(); |
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101 |
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102 if ( empty( $link_url ) ) |
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103 $link_url = get_permalink(); |
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104 ?> |
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105 <a href="<?php echo esc_url( $link_url ); ?>" title="<?php printf( esc_attr__( 'Link to %s', 'twentyeleven' ), the_title_attribute( 'echo=0' ) ); ?>" rel="bookmark"><?php the_title(); ?> <span>→</span></a> |
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106 <span class="comments-link"> |
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107 <?php comments_popup_link( __( '0 <span class="reply">comments →</span>', 'twentyeleven' ), __( '1 <span class="reply">comment →</span>', 'twentyeleven' ), __( '% <span class="reply">comments →</span>', 'twentyeleven' ) ); ?> |
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108 </span> |
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109 </li> |
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110 |
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111 <?php endif; ?> |
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112 |
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113 <?php endwhile; ?> |
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114 </ol> |
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115 <?php |
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116 |
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117 echo $after_widget; |
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118 |
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119 // Reset the post globals as this query will have stomped on it |
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120 wp_reset_postdata(); |
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121 |
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122 // end check for ephemeral posts |
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123 endif; |
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124 |
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125 $cache[$args['widget_id']] = ob_get_flush(); |
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126 wp_cache_set( 'widget_twentyeleven_ephemera', $cache, 'widget' ); |
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127 } |
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128 |
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129 /** |
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130 * Deals with the settings when they are saved by the admin. Here is |
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131 * where any validation should be dealt with. |
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132 **/ |
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133 function update( $new_instance, $old_instance ) { |
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134 $instance = $old_instance; |
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135 $instance['title'] = strip_tags( $new_instance['title'] ); |
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136 $instance['number'] = (int) $new_instance['number']; |
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137 $this->flush_widget_cache(); |
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138 |
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139 $alloptions = wp_cache_get( 'alloptions', 'options' ); |
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140 if ( isset( $alloptions['widget_twentyeleven_ephemera'] ) ) |
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141 delete_option( 'widget_twentyeleven_ephemera' ); |
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142 |
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143 return $instance; |
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144 } |
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145 |
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146 function flush_widget_cache() { |
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147 wp_cache_delete( 'widget_twentyeleven_ephemera', 'widget' ); |
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148 } |
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149 |
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150 /** |
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151 * Displays the form for this widget on the Widgets page of the WP Admin area. |
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152 **/ |
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153 function form( $instance ) { |
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154 $title = isset( $instance['title']) ? esc_attr( $instance['title'] ) : ''; |
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155 $number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 10; |
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156 ?> |
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157 <p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyeleven' ); ?></label> |
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158 <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p> |
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159 |
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160 <p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyeleven' ); ?></label> |
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161 <input id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3" /></p> |
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162 <?php |
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163 } |
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164 } |