forked from mirror/_s
_s: incorporating a revamped version of our sample theme options
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Ian Stewart
parent
73ffdba03c
commit
803ddfe86c
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@ -36,6 +36,11 @@ function _s_setup() {
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*/
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//require( get_template_directory() . '/inc/tweaks.php' );
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/**
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* Custom Theme Options
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*/
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//require( get_template_directory() . '/inc/theme-options/theme-options.php' );
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/**
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* WordPress.com-specific functions and definitions
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*/
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@ -0,0 +1,316 @@
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<?php
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/**
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* _s Theme Options
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*
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* @package _s
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* @since _s 1.0
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*/
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/**
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* Register the form setting for our _s_options array.
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*
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* This function is attached to the admin_init action hook.
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*
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* This call to register_setting() registers a validation callback, _s_theme_options_validate(),
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* which is used when the option is saved, to ensure that our option values are complete, properly
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* formatted, and safe.
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*
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* We also use this function to add our theme option if it doesn't already exist.
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*
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* @since _s 1.0
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*/
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function _s_theme_options_init() {
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// If we have no options in the database, let's add them now.
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if ( false === _s_get_theme_options() )
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add_option( '_s_theme_options', _s_get_default_theme_options() );
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register_setting(
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'_s_options', // Options group, see settings_fields() call in _s_theme_options_render_page()
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'_s_theme_options', // Database option, see _s_get_theme_options()
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'_s_theme_options_validate' // The sanitization callback, see _s_theme_options_validate()
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);
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// Register our settings field group
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add_settings_section(
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'general', // Unique identifier for the settings section
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'', // Section title (we don't want one)
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'__return_false', // Section callback (we don't want anything)
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'theme_options' // Menu slug, used to uniquely identify the page; see _s_theme_options_add_page()
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);
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// Register our individual settings fields
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add_settings_field(
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'sample_checkbox', // Unique identifier for the field for this section
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__( 'Sample Checkbox', '_s' ), // Setting field label
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'_s_settings_field_sample_checkbox', // Function that renders the settings field
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'theme_options', // Menu slug, used to uniquely identify the page; see _s_theme_options_add_page()
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'general' // Settings section. Same as the first argument in the add_settings_section() above
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);
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add_settings_field( 'sample_text_input', __( 'Sample Text Input', '_s' ), '_s_settings_field_sample_text_input', 'theme_options', 'general' );
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add_settings_field( 'sample_select_options', __( 'Sample Select Options', '_s' ), '_s_settings_field_sample_select_options', 'theme_options', 'general' );
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add_settings_field( 'sample_radio_buttons', __( 'Sample Radio Buttons', '_s' ), '_s_settings_field_sample_radio_buttons', 'theme_options', 'general' );
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add_settings_field( 'sample_textarea', __( 'Sample Textarea', '_s' ), '_s_settings_field_sample_textarea', 'theme_options', 'general' );
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}
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add_action( 'admin_init', '_s_theme_options_init' );
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/**
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* Change the capability required to save the '_s_options' options group.
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*
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* @see _s_theme_options_init() First parameter to register_setting() is the name of the options group.
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* @see _s_theme_options_add_page() The edit_theme_options capability is used for viewing the page.
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*
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* @param string $capability The capability used for the page, which is manage_options by default.
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* @return string The capability to actually use.
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*/
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function _s_option_page_capability( $capability ) {
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return 'edit_theme_options';
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}
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add_filter( 'option_page_capability__s_options', '_s_option_page_capability' );
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/**
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* Add our theme options page to the admin menu, including some help documentation.
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*
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* This function is attached to the admin_menu action hook.
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*
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* @since _s 1.0
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*/
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function _s_theme_options_add_page() {
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$theme_page = add_theme_page(
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__( 'Theme Options', '_s' ), // Name of page
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__( 'Theme Options', '_s' ), // Label in menu
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'edit_theme_options', // Capability required
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'theme_options', // Menu slug, used to uniquely identify the page
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'_s_theme_options_render_page' // Function that renders the options page
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);
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if ( ! $theme_page )
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return;
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}
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add_action( 'admin_menu', '_s_theme_options_add_page' );
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/**
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* Returns an array of sample select options registered for _s.
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*
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* @since _s 1.0
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*/
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function _s_sample_select_options() {
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$sample_select_options = array(
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'0' => array(
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'value' => '0',
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'label' => __( 'Zero', '_s' )
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),
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'1' => array(
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'value' => '1',
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'label' => __( 'One', '_s' )
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),
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'2' => array(
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'value' => '2',
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'label' => __( 'Two', '_s' )
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),
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'3' => array(
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'value' => '3',
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'label' => __( 'Three', '_s' )
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),
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'4' => array(
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'value' => '4',
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'label' => __( 'Four', '_s' )
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),
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'5' => array(
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'value' => '3',
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'label' => __( 'Five', '_s' )
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)
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);
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return apply_filters( '_s_sample_select_options', $sample_select_options );
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}
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/**
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* Returns an array of sample radio options registered for _s.
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*
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* @since _s 1.0
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*/
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function _s_sample_radio_buttons() {
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$sample_radio_buttons = array(
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'yes' => array(
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'value' => 'yes',
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'label' => __( 'Yes', '_s' )
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),
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'no' => array(
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'value' => 'no',
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'label' => __( 'No', '_s' )
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),
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'maybe' => array(
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'value' => 'maybe',
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'label' => __( 'Maybe', '_s' )
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)
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);
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return apply_filters( '_s_sample_radio_buttons', $sample_radio_buttons );
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}
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/**
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* Returns the default options for _s.
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*
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* @since _s 1.0
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*/
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function _s_get_default_theme_options() {
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$default_theme_options = array(
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'sample_checkbox' => 'off',
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'sample_text_input' => '',
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'sample_select_options' => '',
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'sample_radio_buttons' => '',
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'sample_textarea' => '',
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);
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return apply_filters( '_s_default_theme_options', $default_theme_options );
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}
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/**
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* Returns the options array for _s.
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*
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* @since _s 1.0
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*/
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function _s_get_theme_options() {
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return get_option( '_s_theme_options', _s_get_default_theme_options() );
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}
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/**
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* Renders the sample checkbox setting field.
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*/
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function _s_settings_field_sample_checkbox() {
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$options = _s_get_theme_options();
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?>
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<label for"sample-checkbox">
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<input type="checkbox" name="_s_theme_options[sample_checkbox]" id="sample-checkbox" <?php checked( 'on', $options['sample_checkbox'] ); ?> />
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<?php _e( 'A sample checkbox.', '_s' ); ?>
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</label>
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<?php
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}
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/**
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* Renders the sample text input setting field.
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*/
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function _s_settings_field_sample_text_input() {
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$options = _s_get_theme_options();
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?>
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<input type="text" name="_s_theme_options[sample_text_input]" id="sample-text-input" value="<?php echo esc_attr( $options['sample_text_input'] ); ?>" />
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<label class="description" for="sample-text-input"><?php _e( 'Sample text input', '_s' ); ?></label>
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<?php
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}
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/**
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* Renders the sample select options setting field.
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*/
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function _s_settings_field_sample_select_options() {
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$options = _s_get_theme_options();
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?>
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<select name="_s_theme_options[sample_select_options]" id="sample-select-options">
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<?php
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$selected = $options['sample_select_options'];
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$p = '';
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$r = '';
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foreach ( _s_sample_select_options() as $option ) {
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$label = $option['label'];
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if ( $selected == $option['value'] ) // Make default first in list
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$p = "\n\t<option style=\"padding-right: 10px;\" selected='selected' value='" . esc_attr( $option['value'] ) . "'>$label</option>";
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else
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$r .= "\n\t<option style=\"padding-right: 10px;\" value='" . esc_attr( $option['value'] ) . "'>$label</option>";
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}
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echo $p . $r;
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?>
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</select>
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<label class="description" for="sample_theme_options[selectinput]"><?php _e( 'Sample select input', '_s' ); ?></label>
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<?php
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}
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/**
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* Renders the radio options setting field.
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*
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* @since _s 1.0
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*/
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function _s_settings_field_sample_radio_buttons() {
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$options = _s_get_theme_options();
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foreach ( _s_sample_radio_buttons() as $button ) {
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?>
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<div class="layout">
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<label class="description">
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<input type="radio" name="_s_theme_options[sample_radio_buttons]" value="<?php echo esc_attr( $button['value'] ); ?>" <?php checked( $options['sample_radio_buttons'], $button['value'] ); ?> />
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<?php echo $button['label']; ?>
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</label>
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</div>
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<?php
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}
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}
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/**
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* Renders the sample textarea setting field.
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*/
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function _s_settings_field_sample_textarea() {
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$options = _s_get_theme_options();
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?>
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<textarea class="large-text" type="text" name="_s_theme_options[sample_textarea]" id="sample-textarea" cols="50" rows="10" /><?php echo esc_textarea( $options['sample_textarea'] ); ?></textarea>
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<label class="description" for="sample-textarea"><?php _e( 'Sample textarea', '_s' ); ?></label>
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<?php
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}
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/**
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* Returns the options array for _s.
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*
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* @since _s 1.0
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*/
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function _s_theme_options_render_page() {
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?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php printf( __( '%s Theme Options', '_s' ), get_current_theme() ); ?></h2>
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<?php settings_errors(); ?>
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<form method="post" action="options.php">
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<?php
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settings_fields( '_s_options' );
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do_settings_sections( 'theme_options' );
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submit_button();
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?>
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</form>
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</div>
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<?php
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}
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/**
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* Sanitize and validate form input. Accepts an array, return a sanitized array.
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*
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* @see _s_theme_options_init()
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* @todo set up Reset Options action
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*
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* @since _s 1.0
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*/
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function _s_theme_options_validate( $input ) {
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$output = $defaults = _s_get_default_theme_options();
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// The sample checkbox should either be on or off
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if ( ! isset( $input['sample_checkbox'] ) )
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$input['sample_checkbox'] = 'off';
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$output['sample_checkbox'] = ( $input['sample_checkbox'] == 'on' ? 'on' : 'off' );
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// The sample text input must be safe text with no HTML tags
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if ( isset( $input['sample_text_input'] ) )
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$output['sample_text_input'] = wp_filter_nohtml_kses( $input['sample_text_input'] );
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// The sample select option must actually be in the array of select options
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if ( array_key_exists( $input['sample_select_options'], _s_sample_select_options() ) )
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$output['sample_select_options'] = $input['sample_select_options'];
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// The sample radio button value must be in our array of radio button values
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if ( isset( $input['sample_radio_buttons'] ) && array_key_exists( $input['sample_radio_buttons'], _s_sample_radio_buttons() ) )
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$output['sample_radio_buttons'] = $input['sample_radio_buttons'];
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// The sample textarea must be safe text with the allowed tags for posts
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if ( isset( $input['sample_textarea'] ) )
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$output['sample_textarea'] = wp_filter_post_kses($input['sample_textarea'] );
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return apply_filters( '_s_theme_options_validate', $output, $input, $defaults );
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}
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