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class-settings-api.php 0000666 00000060504 15174775440 0011016 0 ustar 00 <?php
/**
* Githuber MD Settings API wrapper class
*
* @author Terry Lin
* @package Githuber
* @since 1.0.0
* @version 1.7.0
* @license GPLv3
*
* Notice:
* This script is modified a lot by Terry L. for Githuber MD plugin use.
* If you're looking for original code, go visit https://github.com/tareq1988/wordpress-settings-api-class
*
* @version 1.3 (27-Sep-2016)
* @author Tareq Hasan <tareq@weDevs.com>
* @link https://tareq.co Tareq Hasan
* @license MIT
*/
class Githuber_Settings_API {
/**
* settings sections array
*
* @var array
*/
protected $settings_sections = array();
/**
* Settings fields array
*
* @var array
*/
protected $settings_fields = array();
public function __construct() {
add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
}
/**
* Enqueue scripts and styles
*/
function admin_enqueue_scripts() {
wp_enqueue_style( 'wp-color-picker' );
wp_enqueue_media();
wp_enqueue_script( 'wp-color-picker' );
wp_enqueue_script( 'jquery' );
wp_enqueue_script( 'prettify-print', GITHUBER_PLUGIN_URL . 'assets/vendor/editor.md/lib/prettify.min.js', array( 'jquery' ), '1.0', true );
wp_enqueue_script( 'setting-api', GITHUBER_PLUGIN_URL . 'assets/js/githuber-md-setting-api.js', array( 'jquery' ), GITHUBER_PLUGIN_VERSION, true );
}
/**
* Set settings sections
*
* @param array $sections setting sections array
*/
function set_sections( $sections ) {
$this->settings_sections = $sections;
return $this;
}
/**
* Add a single section
*
* @param array $section
*/
function add_section( $section ) {
$this->settings_sections[] = $section;
return $this;
}
/**
* Set settings fields
*
* @param array $fields settings fields array
*/
function set_fields( $fields ) {
$this->settings_fields = $fields;
return $this;
}
function add_field( $section, $field ) {
$defaults = array(
'name' => '',
'label' => '',
'desc' => '',
'type' => 'text'
);
$arg = wp_parse_args( $field, $defaults );
$this->settings_fields[$section][] = $arg;
return $this;
}
/**
* Initialize and registers the settings sections and fileds to WordPress
*
* Usually this should be called at `admin_init` hook.
*
* This function gets the initiated settings sections and fields. Then
* registers them to WordPress and ready for use.
*/
function admin_init() {
//register settings sections
foreach ( $this->settings_sections as $section ) {
if ( false == get_option( $section['id'] ) ) {
add_option( $section['id'] );
}
if ( isset($section['desc']) && !empty($section['desc']) ) {
$section['desc'] = '<div class="inside">' . $section['desc'] . '</div>';
$callback = function() use ( $section ) {
echo str_replace( '"', '\"', $section['desc'] );
};
} else if ( isset( $section['callback'] ) ) {
$callback = $section['callback'];
} else {
$callback = null;
}
$page_title = '<span class="g-tab-title">' . $section['title'] . '</span>';
add_settings_section( $section['id'] . '_0', $page_title, $callback, $section['id'] );
}
//register settings fields
foreach ( $this->settings_fields as $section => $field ) {
$i = 0;
$next_section_group = $section . '_' . $i;
foreach ( $field as $option ) {
$i++;
$name = isset( $option['name'] ) ? $option['name'] : 'No name';
$type = isset( $option['type'] ) ? $option['type'] : 'text';
$label = isset( $option['label'] ) ? $option['label'] : '';
$callback = isset( $option['callback'] ) ? $option['callback'] : array( $this, 'callback_' . $type );
if ( isset( $option['section_title'] ) && true === $option['section_title'] ) {
// Create a section in same page if $name is empty.
$next_section_group = $section . '_' . $i;
$location_id = isset( $option['location_id'] ) ? $option['location_id'] : '';
$section_title = '<span class="g-section-title" id="' . $location_id . '">' . $option['label'] . '</span>';
if ( ! empty( $option['desc'] )) {
$section_title = '<span class="g-section-title" id="' . $location_id . '">' . $option['label'] . '<span class="g-section-title-desc">' . $option['desc'] . '</span></span>';
}
add_settings_section( $next_section_group, $section_title, '', $section);
} else {
$args = array(
'id' => $name,
'class' => isset( $option['class'] ) ? $option['class'] : $name,
'label_for' => "{$section}[{$name}]",
'desc' => isset( $option['desc'] ) ? $option['desc'] : '',
'name' => $label,
'section' => $section,
'size' => isset( $option['size'] ) ? $option['size'] : null,
'options' => isset( $option['options'] ) ? $option['options'] : '',
'std' => isset( $option['default'] ) ? $option['default'] : '',
'sanitize_callback' => isset( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : '',
'type' => $type,
'placeholder' => isset( $option['placeholder'] ) ? $option['placeholder'] : '',
'min' => isset( $option['min'] ) ? $option['min'] : '',
'max' => isset( $option['max'] ) ? $option['max'] : '',
'step' => isset( $option['step'] ) ? $option['step'] : '',
'location_id' => isset( $option['location_id'] ) ? $option['location_id'] : '',
'parent' => isset( $option['parent'] ) ? $option['parent'] : '',
'has_child' => isset( $option['has_child'] ) ? $option['has_child'] : '',
);
add_settings_field( "{$section}[{$name}]", $label, $callback, $section, $next_section_group, $args );
}
}
}
// creates our settings in the options table
foreach ( $this->settings_sections as $section ) {
register_setting( $section['id'], $section['id'], array( $this, 'sanitize_options' ) );
}
}
/**
* Get field description for display
*
* @param array $args settings field args
*/
public function get_field_description( $args ) {
if ( ! empty( $args['desc'] ) ) {
$desc = sprintf( '<p class="description">%s</p>', $args['desc'] );
} else {
$desc = '';
}
return $desc;
}
/**
* Displays a text field for a settings field
*
* @param array $args settings field args
*/
function callback_text( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$type = isset( $args['type'] ) ? $args['type'] : 'text';
$placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
$html = sprintf( '<input type="%1$s" class="%2$s-text" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s/>', $type, $size, $args['section'], $args['id'], $value, $placeholder );
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a url field for a settings field
*
* @param array $args settings field args
*/
function callback_url( $args ) {
$this->callback_text( $args );
}
/**
* Displays a number field for a settings field
*
* @param array $args settings field args
*/
function callback_number( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$type = isset( $args['type'] ) ? $args['type'] : 'number';
$placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';
$min = ( $args['min'] == '' ) ? '' : ' min="' . $args['min'] . '"';
$max = ( $args['max'] == '' ) ? '' : ' max="' . $args['max'] . '"';
$step = ( $args['step'] == '' ) ? '' : ' step="' . $args['step'] . '"';
$html = sprintf( '<input type="%1$s" class="%2$s-number" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s%7$s%8$s%9$s/>', $type, $size, $args['section'], $args['id'], $value, $placeholder, $min, $max, $step );
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a checkbox for a settings field
*
* @param array $args settings field args
*/
function callback_checkbox( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$html = '<fieldset>';
$html .= sprintf( '<label for="wpuf-%1$s-%2$s">', $args['section'], $args['id'] );
$html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="off" />', $args['section'], $args['id'] );
$html .= sprintf( '<input type="checkbox" class="checkbox" id="wpuf-%1$s-%2$s" name="%1$s[%2$s]" value="on" %3$s />', $args['section'], $args['id'], checked( $value, 'on', false ) );
$html .= sprintf( '%1$s</label>', $args['desc'] );
$html .= '</fieldset>';
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a toggle for a settings field
*
* @param array $args settings field args
*/
function callback_toggle( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$location = isset( $args['location_id'] ) ? $args['location_id'] : '';
$has_child = isset( $args['has_child'] ) ? 'has-child' : '';
$size = isset( $args['size'] ) ? $args['size'] : '';
$html = '';
$html .= sprintf( '<div class="wpmd setting-toggle %4$s %5$s" data-location="%1$s" data-target="%2$s[%3$s]" data-setting="%3$s">', $location, $args['section'], $args['id'], $has_child, $size );
$html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="no" />', $args['section'], $args['id'] );
$html .= sprintf( '<input type="checkbox" class="checkbox" id="wpuf-%1$s-%2$s" name="%1$s[%2$s]" value="yes" %3$s />', $args['section'], $args['id'], checked( $value, 'yes', false ) );
$html .= sprintf( '<label for="wpuf-%1$s-%2$s">', $args['section'], $args['id'] );
$html .= sprintf( '%1$s</label>', 'toggle' );
$html .= '</div>';
$html .= $this->get_field_description( $args );
$html .= '</fieldset>';
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a multicheckbox for a settings field
*
* @param array $args settings field args
*/
function callback_multicheck( $args ) {
$value = $this->get_option( $args['id'], $args['section'], $args['std'] );
$html = '<fieldset>';
$html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="" />', $args['section'], $args['id'] );
$option_count = count( $args['options'] );
foreach ( $args['options'] as $key => $label ) {
$checked = isset( $value[$key] ) ? $value[$key] : '0';
if ( $option_count < 5 ) {
$html .= '<div>';
} else {
$html .= '<div style="display: inline-block; margin-right: 15px;">';
}
$html .= sprintf( '<label for="wpuf-%1$s-%2$s-%3$s">', $args['section'], $args['id'], $key );
$html .= sprintf( '<input type="checkbox" class="checkbox" id="wpuf-%1$s-%2$s-%3$s" name="%1$s[%2$s][%3$s]" value="%3$s" %4$s />', $args['section'], $args['id'], $key, checked( $checked, $key, false ) );
$html .= sprintf( '%1$s</label>', $label );
$html .= '</div>';
}
$html .= $this->get_field_description( $args );
$html .= '</fieldset>';
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a radio button for a settings field
*
* @param array $args settings field args
*/
function callback_radio( $args ) {
$value = $this->get_option( $args['id'], $args['section'], $args['std'] );
$html = '<fieldset>';
foreach ( $args['options'] as $key => $label ) {
$html .= sprintf( '<label for="wpuf-%1$s-%2$s-%3$s">', $args['section'], $args['id'], $key );
$html .= sprintf( '<input type="radio" class="radio" id="wpuf-%1$s-%2$s-%3$s" name="%1$s[%2$s]" value="%3$s" %4$s />', $args['section'], $args['id'], $key, checked( $value, $key, false ) );
$html .= sprintf( '%1$s</label><br>', $label );
}
$html .= $this->get_field_description( $args );
$html .= '</fieldset>';
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a selectbox for a settings field
*
* @param array $args settings field args
*/
function callback_select( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$html = sprintf( '<select class="%1$s" name="%2$s[%3$s]" id="%2$s[%3$s]">', $size, $args['section'], $args['id'] );
foreach ( $args['options'] as $key => $label ) {
$html .= sprintf( '<option value="%s"%s>%s</option>', $key, selected( $value, $key, false ), $label );
}
$html .= sprintf( '</select>' );
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a textarea for a settings field
*
* @param array $args settings field args
*/
function callback_textarea( $args ) {
$value = esc_textarea( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="'.$args['placeholder'].'"';
$html = sprintf( '<textarea rows="5" cols="55" class="%1$s-text" id="%2$s[%3$s]" name="%2$s[%3$s]"%4$s>%5$s</textarea>', $size, $args['section'], $args['id'], $placeholder, $value );
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays the html for a settings field
*
* @param array $args settings field args
* @return string
*/
function callback_html( $args ) {
$html = $args['desc'];
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a rich text textarea for a settings field
*
* @param array $args settings field args
*/
function callback_wysiwyg( $args ) {
$value = $this->get_option( $args['id'], $args['section'], $args['std'] );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : '500px';
if ( ! empty( $args['parent'] ) ) {
echo '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">';
}
echo '<div style="max-width: ' . $size . ';">';
$editor_settings = array(
'teeny' => true,
'textarea_name' => $args['section'] . '[' . $args['id'] . ']',
'textarea_rows' => 10
);
if ( isset( $args['options'] ) && is_array( $args['options'] ) ) {
$editor_settings = array_merge( $editor_settings, $args['options'] );
}
wp_editor( $value, $args['section'] . '-' . $args['id'], $editor_settings );
echo '</div>';
echo $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
echo '</div>';
}
}
/**
* Displays a file upload field for a settings field
*
* @param array $args settings field args
*/
function callback_file( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$id = $args['section'] . '[' . $args['id'] . ']';
$label = isset( $args['options']['button_label'] ) ? $args['options']['button_label'] : __( 'Choose File' );
$html = sprintf( '<input type="text" class="%1$s-text wpsa-url" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s"/>', $size, $args['section'], $args['id'], $value );
$html .= '<input type="button" class="button wpsa-browse" value="' . $label . '" />';
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a password field for a settings field
*
* @param array $args settings field args
*/
function callback_password( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$html = sprintf( '<input type="password" class="%1$s-text" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s"/>', $size, $args['section'], $args['id'], $value );
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a color picker field for a settings field
*
* @param array $args settings field args
*/
function callback_color( $args ) {
$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );
$size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular';
$html = sprintf( '<input type="text" class="%1$s-text wp-color-picker-field" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s" data-default-color="%5$s" />', $size, $args['section'], $args['id'], $value, $args['std'] );
$html .= $this->get_field_description( $args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Displays a select box for creating the pages select box
*
* @param array $args settings field args
*/
function callback_pages( $args ) {
$dropdown_args = array(
'selected' => esc_attr($this->get_option($args['id'], $args['section'], $args['std'] ) ),
'name' => $args['section'] . '[' . $args['id'] . ']',
'id' => $args['section'] . '[' . $args['id'] . ']',
'echo' => 0
);
$html = wp_dropdown_pages( $dropdown_args );
if ( ! empty( $args['parent'] ) ) {
$html = '<div class="setting-has-parent" data-parent="' . $args['parent'] . '">' . $html . '</div>';
}
echo $html;
}
/**
* Sanitize callback for Settings API
*
* @return mixed
*/
function sanitize_options( $options ) {
if ( !$options ) {
return $options;
}
foreach( $options as $option_slug => $option_value ) {
$sanitize_callback = $this->get_sanitize_callback( $option_slug );
// If callback is set, call it
if ( $sanitize_callback ) {
$options[ $option_slug ] = call_user_func( $sanitize_callback, $option_value );
continue;
}
}
return $options;
}
/**
* Get sanitization callback for given option slug
*
* @param string $slug option slug
*
* @return mixed string or bool false
*/
function get_sanitize_callback( $slug = '' ) {
if ( empty( $slug ) ) {
return false;
}
// Iterate over registered fields and see if we can find proper callback
foreach( $this->settings_fields as $section => $options ) {
foreach ( $options as $option ) {
if ( ! isset( $option['name'] ) || $option['name'] != $slug ) {
continue;
}
// Return the callback name
return isset( $option['sanitize_callback'] ) && is_callable( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : false;
}
}
return false;
}
/**
* Get the value of a settings field
*
* @param string $option settings field name
* @param string $section the section name this field belongs to
* @param string $default default text if it's not found
* @return string
*/
function get_option( $option, $section, $default = '' ) {
$options = get_option( $section );
if ( isset( $options[$option] ) ) {
return $options[$option];
}
return $default;
}
/**
* Show navigations as tab
*
* Shows all the settings section labels as tab
*/
function show_navigation() {
$html = '<h2 class="nav-tab-wrapper">';
$count = count( $this->settings_sections );
// don't show the navigation if only one section exists
if ( $count === 1 ) {
return;
}
foreach ( $this->settings_sections as $tab ) {
$html .= sprintf( '<a href="#%1$s" class="nav-tab" id="%1$s-tab">%2$s</a>', $tab['id'], $tab['title'] );
}
$html .= '</h2>';
echo $html;
}
/**
* Show the section settings forms
*
* This function displays every sections in a different form
*/
function show_forms() {
?>
<div class="metabox-holder">
<?php foreach ( $this->settings_sections as $form ) { ?>
<div id="<?php echo $form['id']; ?>" class="group" style="display: none;">
<form method="post" action="options.php">
<?php
do_action( 'wsa_form_top_' . $form['id'], $form );
settings_fields( $form['id'] );
do_settings_sections( $form['id'] );
do_action( 'wsa_form_bottom_' . $form['id'], $form );
if ( isset( $this->settings_fields[ $form['id'] ] ) ):
?>
<div style="border-top: 1px #cccccc solid; margin-top: 20px;">
<?php submit_button(); ?>
</div>
<?php endif; ?>
</form>
</div>
<?php } ?>
</div>
<?php
$this->script();
}
/**
* Tabbable JavaScript codes & Initiate Color Picker
*
* This code uses localstorage for displaying active tabs
*/
function script() {
?>
<script>
jQuery(document).ready(function($) {
//Initiate Color Picker
$('.wp-color-picker-field').wpColorPicker();
// Switches option sections
$('.group').hide();
var activetab = '';
if (typeof(localStorage) != 'undefined' ) {
activetab = localStorage.getItem("activetab");
}
//if url has section id as hash then set it as active or override the current local storage value
if(window.location.hash){
activetab = window.location.hash;
if (typeof(localStorage) != 'undefined' ) {
localStorage.setItem("activetab", activetab);
}
}
if (activetab != '' && $(activetab).length ) {
$(activetab).fadeIn();
} else {
$('.group:first').fadeIn();
}
$('.group .collapsed').each(function(){
$(this).find('input:checked').parent().parent().parent().nextAll().each(
function(){
if ($(this).hasClass('last')) {
$(this).removeClass('hidden');
return false;
}
$(this).filter('.hidden').removeClass('hidden');
});
});
if (activetab != '' && $(activetab + '-tab').length ) {
$(activetab + '-tab').addClass('nav-tab-active');
}
else {
$('.nav-tab-wrapper a:first').addClass('nav-tab-active');
}
$('.nav-tab-wrapper a').click(function(evt) {
$('.nav-tab-wrapper a').removeClass('nav-tab-active');
$(this).addClass('nav-tab-active').blur();
var clicked_group = $(this).attr('href');
if (typeof(localStorage) != 'undefined' ) {
localStorage.setItem("activetab", $(this).attr('href'));
}
$('.group').hide();
$(clicked_group).fadeIn();
evt.preventDefault();
});
$('.wpsa-browse').on('click', function (event) {
event.preventDefault();
var self = $(this);
// Create the media frame.
var file_frame = wp.media.frames.file_frame = wp.media({
title: self.data('uploader_title'),
button: {
text: self.data('uploader_button_text'),
},
multiple: false
});
file_frame.on('select', function () {
attachment = file_frame.state().get('selection').first().toJSON();
self.prev('.wpsa-url').val(attachment.url).change();
});
// Finally, open the modal
file_frame.open();
});
});
</script>
<?php
$this->_style_fix();
}
function _style_fix() {
global $wp_version;
if ( version_compare($wp_version, '3.8', '<=') ):
?>
<style type="text/css">
/** WordPress 3.8 Fix **/
.form-table th { padding: 20px 10px; }
#wpbody-content .metabox-holder { padding-top: 5px; }
</style>
<?php
endif;
}
}
class-widget-toc.php 0000666 00000004116 15174775440 0010452 0 ustar 00 <?php
/**
* Githuber_Widget_Toc
* Add a Table of Content for your article. This widget is for single-post pages only.
*
* @package WordPress
* @author Terry Lin <terrylinooo>
* @license GPLv3 (or later)
* @link https://terryl.in
* @copyright 2018 Terry Lin
*/
/**
* Githuber_Widget_Toc
*/
class Githuber_Widget_Toc extends WP_Widget {
/**
* Sets up a new Githuber TOC widget instance.
*/
public function __construct() {
$widget_ops = array(
'classname' => 'widget_githuber_toc',
'description' => __( 'Add a Table of Content for your article. This widget is for single-post pages only.', 'wp-githuber-md' ),
'customize_selective_refresh' => true,
);
parent::__construct( 'githuber-toc', __( 'Githuber MD: TOC', 'wp-githuber-md' ), $widget_ops );
$this->alt_option_name = 'widget_githuber_toc';
}
/**
* Initial TOC .
*/
public function githuber_toc_inline_js() {
}
/**
* Outputs the content for the Githuber TOC instance.
*/
public function widget( $args, $instance ) {
$title = apply_filters( 'widget_title', $instance['title'] );
$output = $args['before_widget'];
if ( ! empty( $title ) ) {
$output .= $args['before_title'];
$output .= $title;
$output .= $args['after_title'];
}
$output .= '<nav id="md-widget-toc" class="md-widget-toc" role="navigation"></nav>';
$output .= $args['after_widget'];
echo $output;
}
// Widget Backend
public function form( $instance ) {
if ( isset( $instance[ 'title' ] ) ) {
$title = $instance[ 'title' ];
} else {
$title = __( 'New title', 'wpb_widget_domain' );
}
// Widget admin form
?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<?php
}
/**
* Flushes the Githuber TOC widget cache.
*/
public function flush_widget_cache() {
_deprecated_function( __METHOD__, '4.4.0' );
}
}