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1 <?php |
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2 /** |
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3 * Widgets administration panel. |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Administration |
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7 */ |
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8 |
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9 /** WordPress Administration Bootstrap */ |
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10 require_once( 'admin.php' ); |
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11 |
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12 /** WordPress Administration Widgets API */ |
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13 require_once(ABSPATH . 'wp-admin/includes/widgets.php'); |
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14 |
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15 if ( ! current_user_can('switch_themes') ) |
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16 wp_die( __( 'Cheatin’ uh?' )); |
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17 |
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18 wp_enqueue_script('admin-widgets'); |
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19 wp_admin_css( 'widgets' ); |
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20 |
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21 do_action( 'sidebar_admin_setup' ); |
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22 |
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23 $title = __( 'Widgets' ); |
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24 $parent_file = 'themes.php'; |
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25 |
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26 // register the inactive_widgets area as sidebar |
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27 register_sidebar(array( |
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28 'name' => __('Inactive Widgets'), |
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29 'id' => 'wp_inactive_widgets', |
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30 'before_widget' => '', |
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31 'after_widget' => '', |
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32 'before_title' => '', |
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33 'after_title' => '', |
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34 )); |
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35 |
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36 // These are the widgets grouped by sidebar |
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37 $sidebars_widgets = wp_get_sidebars_widgets(); |
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38 if ( empty( $sidebars_widgets ) ) |
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39 $sidebars_widgets = wp_get_widget_defaults(); |
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40 |
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41 // look for "lost" widgets, this has to run at least on each theme change |
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42 function retrieve_widgets() { |
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43 global $wp_registered_widget_updates, $wp_registered_sidebars, $sidebars_widgets, $wp_registered_widgets; |
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44 |
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45 $_sidebars_widgets = array(); |
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46 $sidebars = array_keys($wp_registered_sidebars); |
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47 |
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48 unset( $sidebars_widgets['array_version'] ); |
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49 |
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50 $old = array_keys($sidebars_widgets); |
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51 sort($old); |
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52 sort($sidebars); |
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53 |
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54 if ( $old == $sidebars ) |
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55 return; |
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56 |
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57 // Move the known-good ones first |
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58 foreach ( $sidebars as $id ) { |
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59 if ( array_key_exists( $id, $sidebars_widgets ) ) { |
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60 $_sidebars_widgets[$id] = $sidebars_widgets[$id]; |
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61 unset($sidebars_widgets[$id], $sidebars[$id]); |
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62 } |
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63 } |
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64 |
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65 // if new theme has less sidebars than the old theme |
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66 if ( !empty($sidebars_widgets) ) { |
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67 foreach ( $sidebars_widgets as $lost => $val ) { |
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68 if ( is_array($val) ) |
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69 $_sidebars_widgets['wp_inactive_widgets'] = array_merge( (array) $_sidebars_widgets['wp_inactive_widgets'], $val ); |
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70 } |
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71 } |
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72 |
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73 // discard invalid, theme-specific widgets from sidebars |
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74 $shown_widgets = array(); |
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75 foreach ( $_sidebars_widgets as $sidebar => $widgets ) { |
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76 if ( !is_array($widgets) ) |
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77 continue; |
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78 |
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79 $_widgets = array(); |
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80 foreach ( $widgets as $widget ) { |
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81 if ( isset($wp_registered_widgets[$widget]) ) |
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82 $_widgets[] = $widget; |
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83 } |
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84 $_sidebars_widgets[$sidebar] = $_widgets; |
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85 $shown_widgets = array_merge($shown_widgets, $_widgets); |
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86 } |
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87 |
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88 $sidebars_widgets = $_sidebars_widgets; |
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89 unset($_sidebars_widgets, $_widgets); |
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90 |
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91 // find hidden/lost multi-widget instances |
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92 $lost_widgets = array(); |
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93 foreach ( $wp_registered_widgets as $key => $val ) { |
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94 if ( in_array($key, $shown_widgets, true) ) |
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95 continue; |
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96 |
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97 $number = preg_replace('/.+?-([0-9]+)$/', '$1', $key); |
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98 |
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99 if ( 2 > (int) $number ) |
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100 continue; |
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101 |
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102 $lost_widgets[] = $key; |
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103 } |
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104 |
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105 $sidebars_widgets['wp_inactive_widgets'] = array_merge($lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets']); |
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106 wp_set_sidebars_widgets($sidebars_widgets); |
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107 } |
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108 retrieve_widgets(); |
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109 |
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110 if ( count($wp_registered_sidebars) == 1 ) { |
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111 // If only "wp_inactive_widgets" is defined the theme has no sidebars, die. |
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112 require_once( 'admin-header.php' ); |
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113 ?> |
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114 |
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115 <div class="wrap"> |
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116 <?php screen_icon(); ?> |
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117 <h2><?php echo esc_html( $title ); ?></h2> |
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118 <div class="error"> |
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119 <p><?php _e( 'No Sidebars Defined' ); ?></p> |
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120 </div> |
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121 <p><?php _e( 'The theme you are currently using isn’t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="http://codex.wordpress.org/Widgetizing_Themes">follow these instructions</a>.' ); ?></p> |
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122 </div> |
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123 |
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124 <?php |
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125 require_once( 'admin-footer.php' ); |
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126 exit; |
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127 } |
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128 |
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129 // We're saving a widget without js |
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130 if ( isset($_POST['savewidget']) || isset($_POST['removewidget']) ) { |
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131 $widget_id = $_POST['widget-id']; |
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132 check_admin_referer("save-delete-widget-$widget_id"); |
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133 |
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134 $number = isset($_POST['multi_number']) ? (int) $_POST['multi_number'] : ''; |
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135 if ( $number ) { |
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136 foreach ( $_POST as $key => $val ) { |
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137 if ( is_array($val) && preg_match('/__i__|%i%/', key($val)) ) { |
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138 $_POST[$key] = array( $number => array_shift($val) ); |
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139 break; |
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140 } |
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141 } |
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142 } |
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143 |
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144 $sidebar_id = $_POST['sidebar']; |
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145 $position = isset($_POST[$sidebar_id . '_position']) ? (int) $_POST[$sidebar_id . '_position'] - 1 : 0; |
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146 |
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147 $id_base = $_POST['id_base']; |
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148 $sidebar = isset($sidebars_widgets[$sidebar_id]) ? $sidebars_widgets[$sidebar_id] : array(); |
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149 |
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150 // delete |
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151 if ( isset($_POST['removewidget']) && $_POST['removewidget'] ) { |
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152 |
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153 if ( !in_array($widget_id, $sidebar, true) ) { |
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154 wp_redirect('widgets.php?error=0'); |
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155 exit; |
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156 } |
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157 |
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158 $sidebar = array_diff( $sidebar, array($widget_id) ); |
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159 $_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1'); |
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160 } |
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161 |
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162 $_POST['widget-id'] = $sidebar; |
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163 |
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164 foreach ( (array) $wp_registered_widget_updates as $name => $control ) { |
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165 if ( $name != $id_base || !is_callable($control['callback']) ) |
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166 continue; |
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167 |
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168 ob_start(); |
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169 call_user_func_array( $control['callback'], $control['params'] ); |
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170 ob_end_clean(); |
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171 |
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172 break; |
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173 } |
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174 |
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175 $sidebars_widgets[$sidebar_id] = $sidebar; |
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176 |
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177 // remove old position |
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178 if ( !isset($_POST['delete_widget']) ) { |
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179 foreach ( $sidebars_widgets as $key => $sb ) { |
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180 if ( is_array($sb) ) |
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181 $sidebars_widgets[$key] = array_diff( $sb, array($widget_id) ); |
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182 } |
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183 array_splice( $sidebars_widgets[$sidebar_id], $position, 0, $widget_id ); |
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184 } |
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185 |
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186 wp_set_sidebars_widgets($sidebars_widgets); |
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187 wp_redirect('widgets.php?message=0'); |
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188 exit; |
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189 } |
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190 |
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191 // Output the widget form without js |
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192 if ( isset($_GET['editwidget']) && $_GET['editwidget'] ) { |
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193 $widget_id = $_GET['editwidget']; |
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194 |
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195 if ( isset($_GET['addnew']) ) { |
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196 // Default to the first sidebar |
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197 $sidebar = array_shift( $keys = array_keys($wp_registered_sidebars) ); |
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198 |
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199 if ( isset($_GET['base']) && isset($_GET['num']) ) { // multi-widget |
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200 // Copy minimal info from an existing instance of this widget to a new instance |
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201 foreach ( $wp_registered_widget_controls as $control ) { |
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202 if ( $_GET['base'] === $control['id_base'] ) { |
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203 $control_callback = $control['callback']; |
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204 $multi_number = (int) $_GET['num']; |
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205 $control['params'][0]['number'] = -1; |
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206 $widget_id = $control['id'] = $control['id_base'] . '-' . $multi_number; |
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207 $wp_registered_widget_controls[$control['id']] = $control; |
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208 break; |
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209 } |
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210 } |
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211 } |
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212 } |
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213 |
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214 if ( isset($wp_registered_widget_controls[$widget_id]) && !isset($control) ) { |
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215 $control = $wp_registered_widget_controls[$widget_id]; |
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216 $control_callback = $control['callback']; |
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217 } elseif ( !isset($wp_registered_widget_controls[$widget_id]) && isset($wp_registered_widgets[$widget_id]) ) { |
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218 $name = esc_html( strip_tags($wp_registered_widgets[$widget_id]['name']) ); |
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219 } |
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220 |
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221 if ( !isset($name) ) |
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222 $name = esc_html( strip_tags($control['name']) ); |
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223 |
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224 if ( !isset($sidebar) ) |
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225 $sidebar = isset($_GET['sidebar']) ? $_GET['sidebar'] : 'wp_inactive_widgets'; |
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226 |
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227 if ( !isset($multi_number) ) |
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228 $multi_number = isset($control['params'][0]['number']) ? $control['params'][0]['number'] : ''; |
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229 |
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230 $id_base = isset($control['id_base']) ? $control['id_base'] : $control['id']; |
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231 |
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232 // show the widget form |
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233 $width = ' style="width:' . max($control['width'], 350) . 'px"'; |
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234 $key = isset($_GET['key']) ? (int) $_GET['key'] : 0; |
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235 |
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236 require_once( 'admin-header.php' ); ?> |
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237 <div class="wrap"> |
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238 <?php screen_icon(); ?> |
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239 <h2><?php echo esc_html( $title ); ?></h2> |
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240 <div class="editwidget"<?php echo $width; ?>> |
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241 <h3><?php printf( __( 'Widget %s' ), $name ); ?></h3> |
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242 |
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243 <form action="widgets.php" method="post"> |
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244 <div class="widget-inside"> |
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245 <?php |
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246 if ( is_callable( $control_callback ) ) |
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247 call_user_func_array( $control_callback, $control['params'] ); |
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248 else |
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249 echo '<p>' . __('There are no options for this widget.') . "</p>\n"; ?> |
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250 </div> |
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251 |
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252 <p class="describe"><?php _e('Select both the sidebar for this widget and the position of the widget in that sidebar.'); ?></p> |
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253 <div class="widget-position"> |
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254 <table class="widefat"><thead><tr><th><?php _e('Sidebar'); ?></th><th><?php _e('Position'); ?></th></tr></thead><tbody> |
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255 <?php foreach ( $wp_registered_sidebars as $sbname => $sbvalue ) { |
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256 echo "\t\t<tr><td><label><input type='radio' name='sidebar' value='" . esc_attr($sbname) . "'" . checked( $sbname, $sidebar, false ) . " /> $sbvalue[name]</label></td><td>"; |
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257 if ( 'wp_inactive_widgets' == $sbname ) { |
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258 echo ' '; |
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259 } else { |
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260 if ( !isset($sidebars_widgets[$sbname]) || !is_array($sidebars_widgets[$sbname]) ) { |
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261 $j = 1; |
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262 } else { |
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263 $j = count($sidebars_widgets[$sbname]); |
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264 if ( isset($_GET['addnew']) || !in_array($widget_id, $sidebars_widgets[$sbname], true) ) |
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265 $j++; |
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266 } |
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267 $selected = ''; |
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268 echo "\t\t<select name='{$sbname}_position'>\n"; |
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269 echo "\t\t<option value=''>" . __('-- select --') . "</option>\n"; |
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270 for ( $i = 1; $i <= $j; $i++ ) { |
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271 if ( in_array($widget_id, $sidebars_widgets[$sbname], true) ) |
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272 $selected = selected( $i, $key + 1, false ); |
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273 echo "\t\t<option value='$i'$selected> $i </option>\n"; |
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274 } |
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275 echo "\t\t</select>\n"; |
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276 } |
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277 echo "</td></tr>\n"; |
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278 } ?> |
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279 </tbody></table> |
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280 </div> |
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281 |
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282 <div class="widget-control-actions"> |
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283 <?php if ( isset($_GET['addnew']) ) { ?> |
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284 <a href="widgets.php" class="button alignleft"><?php _e('Cancel'); ?></a> |
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285 <?php } else { ?> |
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286 <input type="submit" name="removewidget" class="button alignleft" value="<?php esc_attr_e('Remove'); ?>" /> |
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287 <?php } ?> |
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288 <input type="submit" name="savewidget" class="button-primary alignright" value="<?php esc_attr_e('Save Widget'); ?>" /> |
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289 <input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr($widget_id); ?>" /> |
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290 <input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr($id_base); ?>" /> |
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291 <input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr($multi_number); ?>" /> |
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292 <?php wp_nonce_field("save-delete-widget-$widget_id"); ?> |
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293 <br class="clear" /> |
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294 </div> |
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295 </form> |
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296 </div> |
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297 </div> |
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298 <?php |
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299 require_once( 'admin-footer.php' ); |
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300 exit; |
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301 } |
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302 |
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303 $widgets_access = get_user_setting( 'widgets_access' ); |
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304 if ( isset($_GET['widgets-access']) ) { |
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305 $widgets_access = 'on' == $_GET['widgets-access'] ? 'on' : 'off'; |
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306 set_user_setting( 'widgets_access', $widgets_access ); |
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307 } |
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308 |
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309 if ( 'on' == $widgets_access ) |
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310 add_filter( 'admin_body_class', create_function('', '{return " widgets_access ";}') ); |
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311 |
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312 $messages = array( |
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313 __('Changes saved.') |
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314 ); |
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315 |
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316 $errors = array( |
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317 __('Error while saving.'), |
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318 __('Error in displaying the widget settings form.') |
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319 ); |
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320 |
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321 require_once( 'admin-header.php' ); ?> |
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322 |
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323 <div class="wrap"> |
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324 <?php screen_icon(); ?> |
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325 <h2><?php echo esc_html( $title ); ?></h2> |
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326 |
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327 <?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) { ?> |
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328 <div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div> |
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329 <?php } ?> |
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330 <?php if ( isset($_GET['error']) && isset($errors[$_GET['error']]) ) { ?> |
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331 <div id="message" class="error"><p><?php echo $errors[$_GET['error']]; ?></p></div> |
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332 <?php } ?> |
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333 |
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334 <div class="widget-liquid-left"> |
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335 <div id="widgets-left"> |
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336 <div id="available-widgets" class="widgets-holder-wrap"> |
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337 <div class="sidebar-name"> |
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338 <div class="sidebar-name-arrow"><br /></div> |
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339 <h3><?php _e('Available Widgets'); ?> <span id="removing-widget"><?php _e('Deactivate'); ?> <span></span></span></h3></div> |
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340 <div class="widget-holder"> |
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341 <p class="description"><?php _e('Drag widgets from here to a sidebar on the right to activate them. Drag widgets back here to deactivate them and delete their settings.'); ?></p> |
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342 <div id="widget-list"> |
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343 <?php wp_list_widgets(); ?> |
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344 </div> |
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345 <br class='clear' /> |
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346 </div> |
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347 <br class="clear" /> |
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348 </div> |
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349 |
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350 <div class="widgets-holder-wrap"> |
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351 <div class="sidebar-name"> |
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352 <div class="sidebar-name-arrow"><br /></div> |
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353 <h3><?php _e('Inactive Widgets'); ?> |
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354 <span><img src="images/wpspin_light.gif" class="ajax-feedback" title="" alt="" /></span></h3></div> |
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355 <div class="widget-holder inactive"> |
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356 <p class="description"><?php _e('Drag widgets here to remove them from the sidebar but keep their settings.'); ?></p> |
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357 <?php wp_list_widget_controls('wp_inactive_widgets'); ?> |
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358 <br class="clear" /> |
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359 </div> |
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360 </div> |
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361 </div> |
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362 </div> |
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363 |
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364 <div class="widget-liquid-right"> |
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365 <div id="widgets-right"> |
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366 <?php |
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367 $i = 0; |
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368 foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) { |
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369 if ( 'wp_inactive_widgets' == $sidebar ) |
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370 continue; |
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371 $closed = $i ? ' closed' : ''; ?> |
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372 <div class="widgets-holder-wrap<?php echo $closed; ?>"> |
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373 <div class="sidebar-name"> |
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374 <div class="sidebar-name-arrow"><br /></div> |
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375 <h3><?php echo esc_html( $registered_sidebar['name'] ); ?> |
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376 <span><img src="images/wpspin_dark.gif" class="ajax-feedback" title="" alt="" /></span></h3></div> |
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377 <?php wp_list_widget_controls( $sidebar ); // Show the control forms for each of the widgets in this sidebar ?> |
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378 </div> |
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379 <?php |
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380 $i++; |
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381 } ?> |
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382 </div> |
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383 </div> |
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384 <form action="" method="post"> |
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385 <?php wp_nonce_field( 'save-sidebar-widgets', '_wpnonce_widgets', false ); ?> |
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386 </form> |
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387 <br class="clear" /> |
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388 </div> |
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389 |
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390 <?php |
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391 do_action( 'sidebar_admin_page' ); |
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392 require_once( 'admin-footer.php' ); |