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1 <?php |
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2 /** |
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3 * Twenty Eleven Theme Options |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Twenty_Eleven |
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7 * @since Twenty Eleven 1.0 |
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8 */ |
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9 |
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10 /** |
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11 * Properly enqueue styles and scripts for our theme options page. |
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12 * |
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13 * This function is attached to the admin_enqueue_scripts action hook. |
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14 * |
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15 * @since Twenty Eleven 1.0 |
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16 * |
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17 */ |
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18 function twentyeleven_admin_enqueue_scripts( $hook_suffix ) { |
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19 wp_enqueue_style( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.css', false, '2011-04-28' ); |
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20 wp_enqueue_script( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.js', array( 'farbtastic' ), '2011-06-10' ); |
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21 wp_enqueue_style( 'farbtastic' ); |
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22 } |
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23 add_action( 'admin_print_styles-appearance_page_theme_options', 'twentyeleven_admin_enqueue_scripts' ); |
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24 |
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25 /** |
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26 * Register the form setting for our twentyeleven_options array. |
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27 * |
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28 * This function is attached to the admin_init action hook. |
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29 * |
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30 * This call to register_setting() registers a validation callback, twentyeleven_theme_options_validate(), |
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31 * which is used when the option is saved, to ensure that our option values are complete, properly |
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32 * formatted, and safe. |
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33 * |
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34 * @since Twenty Eleven 1.0 |
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35 */ |
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36 function twentyeleven_theme_options_init() { |
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37 |
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38 register_setting( |
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39 'twentyeleven_options', // Options group, see settings_fields() call in twentyeleven_theme_options_render_page() |
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40 'twentyeleven_theme_options', // Database option, see twentyeleven_get_theme_options() |
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41 'twentyeleven_theme_options_validate' // The sanitization callback, see twentyeleven_theme_options_validate() |
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42 ); |
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43 |
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44 // Register our settings field group |
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45 add_settings_section( |
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46 'general', // Unique identifier for the settings section |
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47 '', // Section title (we don't want one) |
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48 '__return_false', // Section callback (we don't want anything) |
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49 'theme_options' // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page() |
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50 ); |
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51 |
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52 // Register our individual settings fields |
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53 add_settings_field( |
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54 'color_scheme', // Unique identifier for the field for this section |
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55 __( 'Color Scheme', 'twentyeleven' ), // Setting field label |
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56 'twentyeleven_settings_field_color_scheme', // Function that renders the settings field |
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57 'theme_options', // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page() |
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58 'general' // Settings section. Same as the first argument in the add_settings_section() above |
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59 ); |
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60 |
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61 add_settings_field( 'link_color', __( 'Link Color', 'twentyeleven' ), 'twentyeleven_settings_field_link_color', 'theme_options', 'general' ); |
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62 add_settings_field( 'layout', __( 'Default Layout', 'twentyeleven' ), 'twentyeleven_settings_field_layout', 'theme_options', 'general' ); |
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63 } |
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64 add_action( 'admin_init', 'twentyeleven_theme_options_init' ); |
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65 |
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66 /** |
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67 * Change the capability required to save the 'twentyeleven_options' options group. |
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68 * |
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69 * @see twentyeleven_theme_options_init() First parameter to register_setting() is the name of the options group. |
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70 * @see twentyeleven_theme_options_add_page() The edit_theme_options capability is used for viewing the page. |
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71 * |
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72 * By default, the options groups for all registered settings require the manage_options capability. |
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73 * This filter is required to change our theme options page to edit_theme_options instead. |
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74 * By default, only administrators have either of these capabilities, but the desire here is |
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75 * to allow for finer-grained control for roles and users. |
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76 * |
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77 * @param string $capability The capability used for the page, which is manage_options by default. |
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78 * @return string The capability to actually use. |
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79 */ |
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80 function twentyeleven_option_page_capability( $capability ) { |
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81 return 'edit_theme_options'; |
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82 } |
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83 add_filter( 'option_page_capability_twentyeleven_options', 'twentyeleven_option_page_capability' ); |
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84 |
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85 /** |
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86 * Add our theme options page to the admin menu, including some help documentation. |
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87 * |
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88 * This function is attached to the admin_menu action hook. |
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89 * |
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90 * @since Twenty Eleven 1.0 |
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91 */ |
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92 function twentyeleven_theme_options_add_page() { |
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93 $theme_page = add_theme_page( |
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94 __( 'Theme Options', 'twentyeleven' ), // Name of page |
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95 __( 'Theme Options', 'twentyeleven' ), // Label in menu |
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96 'edit_theme_options', // Capability required |
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97 'theme_options', // Menu slug, used to uniquely identify the page |
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98 'twentyeleven_theme_options_render_page' // Function that renders the options page |
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99 ); |
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100 |
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101 if ( ! $theme_page ) |
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102 return; |
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103 |
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104 add_action( "load-$theme_page", 'twentyeleven_theme_options_help' ); |
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105 } |
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106 add_action( 'admin_menu', 'twentyeleven_theme_options_add_page' ); |
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107 |
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108 function twentyeleven_theme_options_help() { |
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109 |
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110 $help = '<p>' . __( 'Some themes provide customization options that are grouped together on a Theme Options screen. If you change themes, options may change or disappear, as they are theme-specific. Your current theme, Twenty Eleven, provides the following Theme Options:', 'twentyeleven' ) . '</p>' . |
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111 '<ol>' . |
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112 '<li>' . __( '<strong>Color Scheme</strong>: You can choose a color palette of "Light" (light background with dark text) or "Dark" (dark background with light text) for your site.', 'twentyeleven' ) . '</li>' . |
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113 '<li>' . __( '<strong>Link Color</strong>: You can choose the color used for text links on your site. You can enter the HTML color or hex code, or you can choose visually by clicking the "Select a Color" button to pick from a color wheel.', 'twentyeleven' ) . '</li>' . |
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114 '<li>' . __( '<strong>Default Layout</strong>: You can choose if you want your site’s default layout to have a sidebar on the left, the right, or not at all.', 'twentyeleven' ) . '</li>' . |
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115 '</ol>' . |
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116 '<p>' . __( 'Remember to click "Save Changes" to save any changes you have made to the theme options.', 'twentyeleven' ) . '</p>'; |
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117 |
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118 $sidebar = '<p><strong>' . __( 'For more information:', 'twentyeleven' ) . '</strong></p>' . |
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119 '<p>' . __( '<a href="http://codex.wordpress.org/Appearance_Theme_Options_Screen" target="_blank">Documentation on Theme Options</a>', 'twentyeleven' ) . '</p>' . |
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120 '<p>' . __( '<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>', 'twentyeleven' ) . '</p>'; |
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121 |
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122 $screen = get_current_screen(); |
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123 |
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124 if ( method_exists( $screen, 'add_help_tab' ) ) { |
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125 // WordPress 3.3 |
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126 $screen->add_help_tab( array( |
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127 'title' => __( 'Overview', 'twentyeleven' ), |
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128 'id' => 'theme-options-help', |
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129 'content' => $help, |
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130 ) |
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131 ); |
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132 |
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133 $screen->set_help_sidebar( $sidebar ); |
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134 } else { |
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135 // WordPress 3.2 |
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136 add_contextual_help( $screen, $help . $sidebar ); |
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137 } |
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138 } |
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139 |
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140 /** |
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141 * Returns an array of color schemes registered for Twenty Eleven. |
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142 * |
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143 * @since Twenty Eleven 1.0 |
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144 */ |
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145 function twentyeleven_color_schemes() { |
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146 $color_scheme_options = array( |
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147 'light' => array( |
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148 'value' => 'light', |
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149 'label' => __( 'Light', 'twentyeleven' ), |
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150 'thumbnail' => get_template_directory_uri() . '/inc/images/light.png', |
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151 'default_link_color' => '#1b8be0', |
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152 ), |
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153 'dark' => array( |
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154 'value' => 'dark', |
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155 'label' => __( 'Dark', 'twentyeleven' ), |
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156 'thumbnail' => get_template_directory_uri() . '/inc/images/dark.png', |
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157 'default_link_color' => '#e4741f', |
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158 ), |
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159 ); |
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160 |
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161 return apply_filters( 'twentyeleven_color_schemes', $color_scheme_options ); |
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162 } |
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163 |
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164 /** |
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165 * Returns an array of layout options registered for Twenty Eleven. |
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166 * |
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167 * @since Twenty Eleven 1.0 |
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168 */ |
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169 function twentyeleven_layouts() { |
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170 $layout_options = array( |
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171 'content-sidebar' => array( |
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172 'value' => 'content-sidebar', |
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173 'label' => __( 'Content on left', 'twentyeleven' ), |
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174 'thumbnail' => get_template_directory_uri() . '/inc/images/content-sidebar.png', |
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175 ), |
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176 'sidebar-content' => array( |
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177 'value' => 'sidebar-content', |
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178 'label' => __( 'Content on right', 'twentyeleven' ), |
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179 'thumbnail' => get_template_directory_uri() . '/inc/images/sidebar-content.png', |
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180 ), |
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181 'content' => array( |
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182 'value' => 'content', |
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183 'label' => __( 'One-column, no sidebar', 'twentyeleven' ), |
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184 'thumbnail' => get_template_directory_uri() . '/inc/images/content.png', |
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185 ), |
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186 ); |
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187 |
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188 return apply_filters( 'twentyeleven_layouts', $layout_options ); |
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189 } |
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190 |
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191 /** |
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192 * Returns the default options for Twenty Eleven. |
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193 * |
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194 * @since Twenty Eleven 1.0 |
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195 */ |
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196 function twentyeleven_get_default_theme_options() { |
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197 $default_theme_options = array( |
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198 'color_scheme' => 'light', |
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199 'link_color' => twentyeleven_get_default_link_color( 'light' ), |
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200 'theme_layout' => 'content-sidebar', |
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201 ); |
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202 |
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203 if ( is_rtl() ) |
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204 $default_theme_options['theme_layout'] = 'sidebar-content'; |
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205 |
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206 return apply_filters( 'twentyeleven_default_theme_options', $default_theme_options ); |
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207 } |
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208 |
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209 /** |
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210 * Returns the default link color for Twenty Eleven, based on color scheme. |
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211 * |
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212 * @since Twenty Eleven 1.0 |
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213 * |
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214 * @param $string $color_scheme Color scheme. Defaults to the active color scheme. |
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215 * @return $string Color. |
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216 */ |
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217 function twentyeleven_get_default_link_color( $color_scheme = null ) { |
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218 if ( null === $color_scheme ) { |
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219 $options = twentyeleven_get_theme_options(); |
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220 $color_scheme = $options['color_scheme']; |
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221 } |
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222 |
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223 $color_schemes = twentyeleven_color_schemes(); |
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224 if ( ! isset( $color_schemes[ $color_scheme ] ) ) |
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225 return false; |
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226 |
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227 return $color_schemes[ $color_scheme ]['default_link_color']; |
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228 } |
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229 |
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230 /** |
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231 * Returns the options array for Twenty Eleven. |
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232 * |
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233 * @since Twenty Eleven 1.0 |
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234 */ |
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235 function twentyeleven_get_theme_options() { |
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236 return get_option( 'twentyeleven_theme_options', twentyeleven_get_default_theme_options() ); |
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237 } |
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238 |
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239 /** |
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240 * Renders the Color Scheme setting field. |
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241 * |
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242 * @since Twenty Eleven 1.3 |
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243 */ |
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244 function twentyeleven_settings_field_color_scheme() { |
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245 $options = twentyeleven_get_theme_options(); |
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246 |
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247 foreach ( twentyeleven_color_schemes() as $scheme ) { |
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248 ?> |
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249 <div class="layout image-radio-option color-scheme"> |
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250 <label class="description"> |
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251 <input type="radio" name="twentyeleven_theme_options[color_scheme]" value="<?php echo esc_attr( $scheme['value'] ); ?>" <?php checked( $options['color_scheme'], $scheme['value'] ); ?> /> |
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252 <input type="hidden" id="default-color-<?php echo esc_attr( $scheme['value'] ); ?>" value="<?php echo esc_attr( $scheme['default_link_color'] ); ?>" /> |
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253 <span> |
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254 <img src="<?php echo esc_url( $scheme['thumbnail'] ); ?>" width="136" height="122" alt="" /> |
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255 <?php echo $scheme['label']; ?> |
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256 </span> |
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257 </label> |
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258 </div> |
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259 <?php |
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260 } |
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261 } |
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262 |
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263 /** |
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264 * Renders the Link Color setting field. |
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265 * |
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266 * @since Twenty Eleven 1.3 |
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267 */ |
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268 function twentyeleven_settings_field_link_color() { |
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269 $options = twentyeleven_get_theme_options(); |
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270 ?> |
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271 <input type="text" name="twentyeleven_theme_options[link_color]" id="link-color" value="<?php echo esc_attr( $options['link_color'] ); ?>" /> |
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272 <a href="#" class="pickcolor hide-if-no-js" id="link-color-example"></a> |
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273 <input type="button" class="pickcolor button hide-if-no-js" value="<?php esc_attr_e( 'Select a Color', 'twentyeleven' ); ?>" /> |
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274 <div id="colorPickerDiv" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div> |
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275 <br /> |
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276 <span><?php printf( __( 'Default color: %s', 'twentyeleven' ), '<span id="default-color">' . twentyeleven_get_default_link_color( $options['color_scheme'] ) . '</span>' ); ?></span> |
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277 <?php |
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278 } |
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279 |
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280 /** |
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281 * Renders the Layout setting field. |
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282 * |
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283 * @since Twenty Eleven 1.3 |
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284 */ |
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285 function twentyeleven_settings_field_layout() { |
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286 $options = twentyeleven_get_theme_options(); |
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287 foreach ( twentyeleven_layouts() as $layout ) { |
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288 ?> |
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289 <div class="layout image-radio-option theme-layout"> |
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290 <label class="description"> |
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291 <input type="radio" name="twentyeleven_theme_options[theme_layout]" value="<?php echo esc_attr( $layout['value'] ); ?>" <?php checked( $options['theme_layout'], $layout['value'] ); ?> /> |
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292 <span> |
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293 <img src="<?php echo esc_url( $layout['thumbnail'] ); ?>" width="136" height="122" alt="" /> |
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294 <?php echo $layout['label']; ?> |
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295 </span> |
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296 </label> |
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297 </div> |
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298 <?php |
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299 } |
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300 } |
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301 |
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302 /** |
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303 * Returns the options array for Twenty Eleven. |
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304 * |
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305 * @since Twenty Eleven 1.2 |
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306 */ |
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307 function twentyeleven_theme_options_render_page() { |
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308 ?> |
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309 <div class="wrap"> |
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310 <?php screen_icon(); ?> |
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311 <?php $theme_name = function_exists( 'wp_get_theme' ) ? wp_get_theme() : get_current_theme(); ?> |
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312 <h2><?php printf( __( '%s Theme Options', 'twentyeleven' ), $theme_name ); ?></h2> |
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313 <?php settings_errors(); ?> |
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314 |
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315 <form method="post" action="options.php"> |
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316 <?php |
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317 settings_fields( 'twentyeleven_options' ); |
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318 do_settings_sections( 'theme_options' ); |
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319 submit_button(); |
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320 ?> |
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321 </form> |
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322 </div> |
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323 <?php |
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324 } |
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325 |
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326 /** |
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327 * Sanitize and validate form input. Accepts an array, return a sanitized array. |
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328 * |
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329 * @see twentyeleven_theme_options_init() |
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330 * @todo set up Reset Options action |
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331 * |
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332 * @since Twenty Eleven 1.0 |
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333 */ |
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334 function twentyeleven_theme_options_validate( $input ) { |
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335 $output = $defaults = twentyeleven_get_default_theme_options(); |
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336 |
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337 // Color scheme must be in our array of color scheme options |
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338 if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], twentyeleven_color_schemes() ) ) |
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339 $output['color_scheme'] = $input['color_scheme']; |
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340 |
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341 // Our defaults for the link color may have changed, based on the color scheme. |
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342 $output['link_color'] = $defaults['link_color'] = twentyeleven_get_default_link_color( $output['color_scheme'] ); |
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343 |
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344 // Link color must be 3 or 6 hexadecimal characters |
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345 if ( isset( $input['link_color'] ) && preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) ) |
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346 $output['link_color'] = '#' . strtolower( ltrim( $input['link_color'], '#' ) ); |
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347 |
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348 // Theme layout must be in our array of theme layout options |
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349 if ( isset( $input['theme_layout'] ) && array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) ) |
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350 $output['theme_layout'] = $input['theme_layout']; |
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351 |
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352 return apply_filters( 'twentyeleven_theme_options_validate', $output, $input, $defaults ); |
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353 } |
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354 |
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355 /** |
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356 * Enqueue the styles for the current color scheme. |
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357 * |
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358 * @since Twenty Eleven 1.0 |
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359 */ |
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360 function twentyeleven_enqueue_color_scheme() { |
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361 $options = twentyeleven_get_theme_options(); |
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362 $color_scheme = $options['color_scheme']; |
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363 |
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364 if ( 'dark' == $color_scheme ) |
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365 wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', array(), null ); |
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366 |
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367 do_action( 'twentyeleven_enqueue_color_scheme', $color_scheme ); |
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368 } |
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369 add_action( 'wp_enqueue_scripts', 'twentyeleven_enqueue_color_scheme' ); |
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370 |
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371 /** |
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372 * Add a style block to the theme for the current link color. |
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373 * |
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374 * This function is attached to the wp_head action hook. |
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375 * |
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376 * @since Twenty Eleven 1.0 |
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377 */ |
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378 function twentyeleven_print_link_color_style() { |
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379 $options = twentyeleven_get_theme_options(); |
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380 $link_color = $options['link_color']; |
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381 |
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382 $default_options = twentyeleven_get_default_theme_options(); |
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383 |
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384 // Don't do anything if the current link color is the default. |
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385 if ( $default_options['link_color'] == $link_color ) |
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386 return; |
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387 ?> |
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388 <style> |
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389 /* Link color */ |
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390 a, |
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391 #site-title a:focus, |
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392 #site-title a:hover, |
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393 #site-title a:active, |
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394 .entry-title a:hover, |
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395 .entry-title a:focus, |
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396 .entry-title a:active, |
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397 .widget_twentyeleven_ephemera .comments-link a:hover, |
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398 section.recent-posts .other-recent-posts a[rel="bookmark"]:hover, |
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399 section.recent-posts .other-recent-posts .comments-link a:hover, |
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400 .format-image footer.entry-meta a:hover, |
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401 #site-generator a:hover { |
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402 color: <?php echo $link_color; ?>; |
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403 } |
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404 section.recent-posts .other-recent-posts .comments-link a:hover { |
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405 border-color: <?php echo $link_color; ?>; |
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406 } |
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407 article.feature-image.small .entry-summary p a:hover, |
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408 .entry-header .comments-link a:hover, |
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409 .entry-header .comments-link a:focus, |
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410 .entry-header .comments-link a:active, |
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411 .feature-slider a.active { |
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412 background-color: <?php echo $link_color; ?>; |
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413 } |
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414 </style> |
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415 <?php |
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416 } |
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417 add_action( 'wp_head', 'twentyeleven_print_link_color_style' ); |
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418 |
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419 /** |
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420 * Adds Twenty Eleven layout classes to the array of body classes. |
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421 * |
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422 * @since Twenty Eleven 1.0 |
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423 */ |
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424 function twentyeleven_layout_classes( $existing_classes ) { |
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425 $options = twentyeleven_get_theme_options(); |
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426 $current_layout = $options['theme_layout']; |
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427 |
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428 if ( in_array( $current_layout, array( 'content-sidebar', 'sidebar-content' ) ) ) |
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429 $classes = array( 'two-column' ); |
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430 else |
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431 $classes = array( 'one-column' ); |
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432 |
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433 if ( 'content-sidebar' == $current_layout ) |
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434 $classes[] = 'right-sidebar'; |
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435 elseif ( 'sidebar-content' == $current_layout ) |
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436 $classes[] = 'left-sidebar'; |
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437 else |
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438 $classes[] = $current_layout; |
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439 |
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440 $classes = apply_filters( 'twentyeleven_layout_classes', $classes, $current_layout ); |
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441 |
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442 return array_merge( $existing_classes, $classes ); |
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443 } |
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444 add_filter( 'body_class', 'twentyeleven_layout_classes' ); |
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445 |
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446 /** |
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447 * Implements Twenty Eleven theme options into Theme Customizer |
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448 * |
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449 * @param $wp_customize Theme Customizer object |
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450 * @return void |
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451 * |
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452 * @since Twenty Eleven 1.3 |
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453 */ |
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454 function twentyeleven_customize_register( $wp_customize ) { |
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455 $wp_customize->get_setting( 'blogname' )->transport = 'postMessage'; |
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456 $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage'; |
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457 |
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458 $options = twentyeleven_get_theme_options(); |
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459 $defaults = twentyeleven_get_default_theme_options(); |
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460 |
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461 $wp_customize->add_setting( 'twentyeleven_theme_options[color_scheme]', array( |
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462 'default' => $defaults['color_scheme'], |
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463 'type' => 'option', |
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464 'capability' => 'edit_theme_options', |
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465 ) ); |
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466 |
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467 $schemes = twentyeleven_color_schemes(); |
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468 $choices = array(); |
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469 foreach ( $schemes as $scheme ) { |
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470 $choices[ $scheme['value'] ] = $scheme['label']; |
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471 } |
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472 |
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473 $wp_customize->add_control( 'twentyeleven_color_scheme', array( |
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474 'label' => __( 'Color Scheme', 'twentyeleven' ), |
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475 'section' => 'colors', |
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476 'settings' => 'twentyeleven_theme_options[color_scheme]', |
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477 'type' => 'radio', |
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478 'choices' => $choices, |
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479 'priority' => 5, |
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480 ) ); |
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481 |
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482 // Link Color (added to Color Scheme section in Theme Customizer) |
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483 $wp_customize->add_setting( 'twentyeleven_theme_options[link_color]', array( |
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484 'default' => twentyeleven_get_default_link_color( $options['color_scheme'] ), |
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485 'type' => 'option', |
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486 'sanitize_callback' => 'sanitize_hex_color', |
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487 'capability' => 'edit_theme_options', |
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488 ) ); |
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489 |
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490 $wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'link_color', array( |
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491 'label' => __( 'Link Color', 'twentyeleven' ), |
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492 'section' => 'colors', |
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493 'settings' => 'twentyeleven_theme_options[link_color]', |
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494 ) ) ); |
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495 |
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496 // Default Layout |
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497 $wp_customize->add_section( 'twentyeleven_layout', array( |
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498 'title' => __( 'Layout', 'twentyeleven' ), |
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499 'priority' => 50, |
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500 ) ); |
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501 |
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502 $wp_customize->add_setting( 'twentyeleven_theme_options[theme_layout]', array( |
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503 'type' => 'option', |
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504 'default' => $defaults['theme_layout'], |
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505 'sanitize_callback' => 'sanitize_key', |
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506 ) ); |
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507 |
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508 $layouts = twentyeleven_layouts(); |
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509 $choices = array(); |
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510 foreach ( $layouts as $layout ) { |
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511 $choices[$layout['value']] = $layout['label']; |
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512 } |
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513 |
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514 $wp_customize->add_control( 'twentyeleven_theme_options[theme_layout]', array( |
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515 'section' => 'twentyeleven_layout', |
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516 'type' => 'radio', |
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517 'choices' => $choices, |
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518 ) ); |
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519 } |
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520 add_action( 'customize_register', 'twentyeleven_customize_register' ); |
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521 |
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522 /** |
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523 * Bind JS handlers to make Theme Customizer preview reload changes asynchronously. |
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524 * Used with blogname and blogdescription. |
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525 * |
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526 * @since Twenty Eleven 1.3 |
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527 */ |
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528 function twentyeleven_customize_preview_js() { |
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529 wp_enqueue_script( 'twentyeleven-customizer', get_template_directory_uri() . '/inc/theme-customizer.js', array( 'customize-preview' ), '20120523', true ); |
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530 } |
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531 add_action( 'customize_preview_init', 'twentyeleven_customize_preview_js' ); |