1 <?php |
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2 /** |
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3 * Class SlideshowPluginWidget allows showing one of your slideshows in your widget area. |
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4 * |
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5 * @author: Stefan Boonstra |
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6 * @version: 04-10-12 |
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7 */ |
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8 class SlideshowPluginWidget extends WP_Widget { |
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9 |
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10 /** Variables */ |
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11 static $widgetName = 'Slideshow Widget'; |
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12 |
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13 /** |
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14 * Initializes the widget |
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15 */ |
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16 function SlideshowPluginWidget(){ |
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17 // Settings |
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18 $options = array( |
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19 'classname' => 'SlideshowWidget', |
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20 'description' => __('Enables you to show your slideshows in the widget area of your website.', 'slideshow-plugin') |
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21 ); |
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22 |
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23 // Create the widget. |
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24 $this->WP_Widget( |
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25 'slideshowWidget', |
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26 __('Slideshow Widget', 'slideshow-plugin'), |
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27 $options |
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28 ); |
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29 } |
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30 |
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31 /** |
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32 * The widget as shown to the user. |
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33 * |
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34 * @param mixed array $args |
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35 * @param mixed array $instance |
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36 */ |
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37 function widget($args, $instance){ |
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38 // Get slideshowId |
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39 $slideshowId = ''; |
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40 if(isset($instance['slideshowId'])) |
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41 $slideshowId = $instance['slideshowId']; |
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42 |
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43 // Get title |
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44 $title = ''; |
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45 if(isset($instance['title'])) |
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46 $title = $instance['title']; |
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47 |
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48 // Prepare slideshow for output to website. |
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49 $output = SlideshowPlugin::prepare($slideshowId); |
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50 |
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51 $beforeWidget = $afterWidget = $beforeTitle = $afterTitle = ''; |
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52 if(isset($args['before_widget'])) |
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53 $beforeWidget = $args['before_widget']; |
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54 if(isset($args['after_widget'])) |
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55 $afterWidget = $args['after_widget']; |
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56 if(isset($args['before_title'])) |
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57 $beforeTitle = $args['before_title']; |
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58 if(isset($args['after_title'])) |
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59 $afterTitle = $args['after_title']; |
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60 |
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61 // Output widget |
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62 echo $beforeWidget . |
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63 $beforeTitle . $title . $afterTitle . |
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64 $output . |
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65 $afterWidget; |
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66 } |
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67 |
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68 /** |
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69 * The form shown on the admins widget page. Here settings can be changed. |
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70 * |
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71 * @param mixed array $instance |
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72 * @return string |
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73 */ |
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74 function form($instance){ |
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75 // Defaults |
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76 $defaults = array( |
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77 'title' => __(self::$widgetName, 'slideshow-plugin'), |
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78 'slideshowId' => -1 |
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79 ); |
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80 |
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81 // Merge database settings with defaults |
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82 $instance = wp_parse_args((array) $instance, $defaults); |
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83 |
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84 // Get slideshows |
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85 $slideshows = get_posts(array( |
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86 'numberposts' => -1, |
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87 'offset' => 0, |
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88 'post_type' => SlideshowPluginPostType::$postType |
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89 )); |
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90 |
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91 // Include form |
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92 include(SlideshowPluginMain::getPluginPath() . '/views/' . __CLASS__ . '/form.php'); |
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93 } |
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94 |
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95 /** |
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96 * Updates widget's settings. |
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97 * |
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98 * @param mixed array $newInstance |
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99 * @param mixed array $instance |
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100 * @return mixed array $instance |
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101 */ |
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102 function update($newInstance, $instance){ |
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103 // Update title |
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104 if(isset($newInstance['title'])) |
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105 $instance['title'] = $newInstance['title']; |
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106 |
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107 // Update slideshowId |
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108 if(isset($newInstance['slideshowId']) && !empty($newInstance['slideshowId'])) |
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109 $instance['slideshowId'] = $newInstance['slideshowId']; |
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110 |
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111 // Save |
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112 return $instance; |
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113 } |
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114 |
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115 /** |
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116 * Registers this widget (should be called upon widget_init action hook) |
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117 */ |
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118 static function registerWidget(){ |
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119 register_widget(__CLASS__); |
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120 } |
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121 } |
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