472 lines
19 KiB
PHP
472 lines
19 KiB
PHP
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<?php
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// Exit if accessed directly
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if ( ! defined( 'ABSPATH' ) ) exit;
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if ( ! class_exists( 'ezTOC_Widget' ) ) {
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/**
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* Class ezTOC_Widget
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*/
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class ezTOC_Widget extends WP_Widget {
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/**
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* Setup and register the table of contents widget.
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*
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* @access public
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* @since 1.0
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*/
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public function __construct() {
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$options = array(
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'classname' => 'ez-toc',
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'description' => __( 'Display the table of contents.', 'easy-table-of-contents' )
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);
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parent::__construct(
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'ezw_tco',
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__( 'Table of Contents', 'easy-table-of-contents' ),
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$options
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);
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add_action( 'admin_enqueue_scripts', array( $this, 'enqueueScripts' ) );
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add_action( 'admin_footer-widgets.php', array( $this, 'printScripts' ), 9999 );
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}
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/**
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* Callback which registers the widget with the Widget API.
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*
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* @access public
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* @since 1.0
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* @static
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*
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* @return void
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*/
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public static function register() {
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register_widget( __CLASS__ );
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}
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/**
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* Callback to enqueue scripts on the Widgets admin page.
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*
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* @access private
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* @since 1.0
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*
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* @param string $hook_suffix
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*/
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public function enqueueScripts( $hook_suffix ) {
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if ( 'widgets.php' !== $hook_suffix ) {
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return;
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}
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wp_enqueue_style( 'wp-color-picker' );
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wp_enqueue_script( 'wp-color-picker' );
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wp_enqueue_script( 'underscore' );
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}
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/**
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* Callback to print the scripts to the Widgets admin page footer.
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*
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* @access private
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* @since 1.0
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*/
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public function printScripts() {
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?>
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<script>
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( function( $ ){
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function initColorPicker( widget ) {
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widget.find( '.color-picker' ).wpColorPicker( {
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change: _.throttle( function() { // For Customizer
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$(this).trigger( 'change' );
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}, 3000 )
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});
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}
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function onFormUpdate( event, widget ) {
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initColorPicker( widget );
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}
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$( document ).on( 'widget-added widget-updated', onFormUpdate );
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$( document ).ready( function() {
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$( '#widgets-right .widget:has(.color-picker)' ).each( function () {
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initColorPicker( $( this ) );
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} );
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} );
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}( jQuery ) );
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</script>
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<?php
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}
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/**
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* Display the post content. Optionally allows post ID to be passed
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*
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* @link http://stephenharris.info/get-post-content-by-id/
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* @link http://wordpress.stackexchange.com/a/143316
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*
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* @access public
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* @since 1.0
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*
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* @param int $post_id Optional. Post ID.
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*
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* @return string
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*/
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public function the_content( $post_id = 0 ) {
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global $post;
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$post = get_post( $post_id );
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setup_postdata( $post );
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ob_start();
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the_content();
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$content = ob_get_clean();
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wp_reset_postdata();
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return $content;
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}
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/**
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* Renders the widgets.
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*
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* @access private
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* @since 1.0
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*
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* @param array $args
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* @param array $instance
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*/
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public function widget( $args, $instance ) {
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if ( is_404() || is_archive() || is_search() || ( ! is_front_page() && is_home() ) ) return;
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$post = ezTOC::get( get_the_ID() );
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if( function_exists( 'post_password_required' ) ) {
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if( post_password_required() ) return;
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}
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/**
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* @link https://wordpress.org/support/topic/fatal-error-when-trying-to-access-widget-area/
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*/
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if ( ! $post instanceof ezTOC_Post ) return;
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if ( $post->hasTOCItems() ) {
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/**
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* @var string $before_widget
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* @var string $after_widget
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* @var string $before_title
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* @var string $after_title
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*/
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extract( $args );
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$class = array(
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'ez-toc-v' . str_replace( '.', '_', ezTOC::VERSION ),
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'ez-toc-widget',
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);
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$instance_title = '';
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if(isset($instance['title'])){
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$instance_title = $instance['title'];
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}
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$title = apply_filters( 'widget_title', $instance_title, $instance, $this->id_base );
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if ( false !== strpos( $title, '%PAGE_TITLE%' ) || false !== strpos( $title, '%PAGE_NAME%' ) ) {
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$title = str_replace( '%PAGE_TITLE%', get_the_title(), $title );
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}
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if ( ezTOC_Option::get( 'show_hierarchy' ) ) {
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$class[] = 'counter-hierarchy';
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} else {
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$class[] = 'counter-flat';
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}
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if( ezTOC_Option::get( 'heading-text-direction', 'ltr' ) == 'ltr' ) {
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$class[] = 'ez-toc-widget-container';
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}
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if( ezTOC_Option::get( 'heading-text-direction', 'ltr' ) == 'rtl' ) {
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$class[] = 'ez-toc-widget-container-rtl';
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}
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if ( isset($instance['affix']) ) {
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$class[] = 'ez-toc-affix';
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}
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$class[] = 'ez-toc-widget-direction';
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$custom_classes = ezTOC_Option::get( 'css_container_class', '' );
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if ( 0 < strlen( $custom_classes ) ) {
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$custom_classes = explode( ' ', $custom_classes );
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$custom_classes = apply_filters( 'ez_toc_container_class', $custom_classes, $this );
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if ( is_array( $custom_classes ) ) {
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$class = array_merge( $class, $custom_classes );
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}
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}
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$class = array_filter( $class );
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$class = array_map( 'trim', $class );
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$class = array_map( 'sanitize_html_class', $class );
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echo $before_widget;
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do_action( 'ez_toc_before_widget_container');
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echo '<div id="ez-toc-widget-container" class="ez-toc-widget-container ' . implode( ' ', $class ) . '">' . PHP_EOL;
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do_action( 'ez_toc_before_widget' );
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/**
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* @todo Instead of inline style, use the shadow DOM.
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* @link https://css-tricks.com/playing-shadow-dom/
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*
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* @todo Consider not outputting the style if CSS is disabled.
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* @link https://wordpress.org/support/topic/inline-styling-triggers-html-validation-error/
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*/
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$title_font_size = $instance[ 'sidebar_title_size' ].$instance[ 'sidebar_title_size_unit' ];
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if ( 0 < strlen( $title ) ) {
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?>
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<?php echo $before_title; ?>
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<span class="ez-toc-title-container">
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<style>
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#<?php echo $this->id ?> .ez-toc-title{
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font-size: <?php echo esc_attr ( $title_font_size ); ?>;
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font-weight: <?php echo esc_attr ( $instance[ 'sidebar_title_weight' ] ); ?>;
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color: <?php echo esc_attr ( $instance[ 'sidebar_title_color' ] ); ?>;
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}
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#<?php echo $this->id ?> .ez-toc-widget-container ul.ez-toc-list li.active{
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background-color: <?php echo esc_attr( $instance['highlight_color'] ); ?>;
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}
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</style>
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<?php
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$headerTextToggleClass = '';
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$headerTextToggleStyle = '';
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if ( ezTOC_Option::get( 'visibility_on_header_text' ) ) {
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$headerTextToggleClass = 'ez-toc-toggle';
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$headerTextToggleStyle = 'style="cursor: pointer"';
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}
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$header_label = '<span class="ez-toc-title ' . $headerTextToggleClass . '" ' .$headerTextToggleStyle . '>' . $title . '</span>';
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?>
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<span class="ez-toc-title-toggle">
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<?php if ( 'css' != ezTOC_Option::get( 'toc_loading' ) ): ?>
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<?php
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echo $header_label;
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if ( ezTOC_Option::get( 'visibility' ) ) {
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echo '<a href="#" class="ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle" aria-label="Widget Easy TOC toggle icon"><span style="border: 0;padding: 0;margin: 0;position: absolute !important;height: 1px;width: 1px;overflow: hidden;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);clip-path: inset(50%);white-space: nowrap;">Toggle Table of Content</span>' . ezTOC::getTOCToggleIcon() . '</a>';
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}
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?>
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<?php else: ?>
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<?php
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$toggle_view='';
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if(ezTOC_Option::get('visibility_hide_by_default')==true){
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$toggle_view= "checked";
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}
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if( true == get_post_meta( get_the_ID(), '_ez-toc-visibility_hide_by_default', true ) ) {
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$toggle_view = "checked";
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}
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$cssIconID = uniqid();
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if ( ezTOC_Option::get( 'visibility_on_header_text' ) ) {
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$htmlCSSIcon = '<label for="ez-toc-cssicon-toggle-item-' . $cssIconID . '" style="cursor:pointer">' . $header_label . '<span class="ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle">' . ezTOC::getTOCToggleIcon( 'widget-with-visibility_on_header_text' ) . '</span></label>';
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} else {
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echo $header_label;
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$htmlCSSIcon = '<label for="ez-toc-cssicon-toggle-item-' . $cssIconID . '" class="ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle">' . ezTOC::getTOCToggleIcon( 'widget-with-visibility_on_header_text' ) . '</span></label>';
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}
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echo $htmlCSSIcon;
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?>
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<?php endif; ?>
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</span>
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</span>
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<?php echo $after_title; ?>
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<?php if ( 'css' == ezTOC_Option::get( 'toc_loading' ) ): ?>
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<label for="ez-toc-cssicon-toggle-item-count-<?php $cssIconID ?>" class="cssiconcheckbox">1</label><input type="checkbox" id="ez-toc-cssicon-toggle-item-<?php $cssIconID ?>" <?php $toggle_view?> style="display:none" />
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<?php endif; ?>
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<?php
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}
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do_action( 'ez_toc_before' );
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echo '<nav>'. PHP_EOL . $post->getTOCList() . '</nav>' . PHP_EOL;
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do_action( 'ez_toc_after' );
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do_action( 'ez_toc_after_widget' );
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echo '</div>' . PHP_EOL;
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do_action( 'ez_toc_after_widget_container' );
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echo $after_widget;
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}
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}
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/**
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* Update the widget settings.
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*
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* @access private
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* @since 1.0
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*
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* @param array $new_instance
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* @param array $old_instance
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*
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* @return array
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$instance['title'] = strip_tags( $new_instance['title'] );
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$instance['affix'] = array_key_exists( 'affix', $new_instance ) ? $new_instance['affix'] : '0';
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$instance['highlight_color'] = strip_tags( $new_instance['highlight_color'] );
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if ( isset ( $new_instance[ 'eztoc_appearance' ] ) && $new_instance[ 'eztoc_appearance' ] == 'on' ){
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$instance[ 'sidebar_title_size' ] = ( int ) strip_tags ( $new_instance[ 'sidebar_title_size' ] );
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$instance[ 'sidebar_title_size_unit' ] = strip_tags ( $new_instance[ 'sidebar_title_size_unit' ] );
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$instance[ 'sidebar_title_weight' ] = strip_tags ( $new_instance[ 'sidebar_title_weight' ] );
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$instance[ 'sidebar_title_color' ] = strip_tags ( $new_instance[ 'sidebar_title_color' ] );
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}else{
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$instance[ 'sidebar_title_size' ] = 120;
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$instance[ 'sidebar_title_size_unit' ] = '%';
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$instance[ 'sidebar_title_weight' ] = '500';
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$instance[ 'sidebar_title_color' ] = '#000';
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}
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$instance['hide_inline'] = array_key_exists( 'hide_inline', $new_instance ) ? $new_instance['hide_inline'] : '0';
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return $instance;
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}
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/**
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||
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* Displays the widget settings on the Widgets admin page.
|
||
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*
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||
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* @access private
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||
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* @since 1.0
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*
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||
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* @param array $instance
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*
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* @return string|void
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*/
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public function form( $instance ) {
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$defaults = array(
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'affix' => '0',
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'eztoc_appearance' => '',
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'highlight_color' => '#ededed',
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'title' => __('Table of Contents', 'easy-table-of-contents' ),
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'sidebar_title_size' => 120,
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'sidebar_title_size_unit' => '%',
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'sidebar_title_weight' => '500',
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'sidebar_title_color' => '#000',
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);
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$instance = wp_parse_args( (array) $instance, $defaults );
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$highlight_color = esc_attr( $instance[ 'highlight_color' ] );
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$title_color = esc_attr( $instance[ 'sidebar_title_color' ] );
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title', 'easy-table-of-contents' ); ?>:</label>
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<input type="text" id="<?php echo $this->get_field_id( 'title' ); ?>"
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name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>"
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style="width:100%;"/>
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</p>
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<div class="ez-toc-widget-appearance-title">
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<input type="checkbox" class="ez_toc_widget_appearance_options" id="<?php echo $this -> get_field_id ( 'eztoc_appearance' ); ?>" name="<?php echo $this -> get_field_name ( 'eztoc_appearance' ); ?>" <?php ( 'on' === $instance[ 'eztoc_appearance' ] ) ? 'checked="checked"' : ''; ?>/>
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<label for="<?php echo $this -> get_field_id ( 'eztoc_appearance' ); ?>"><?php _e ( 'Appearance', 'easy-table-of-contents' ); ?></label>
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<div id="ez-toc-widget-options-container" class="ez-toc-widget-appearance-options-container">
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<p class="ez-toc-widget-form-group">
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<label for="<?php echo $this -> get_field_id ( 'sidebar_title_color' ); ?>" style="margin-right: 12px;"><?php _e ( 'Font Title Color:', 'easy-table-of-contents' ); ?></label><br>
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<input type="text" name="<?php echo $this -> get_field_name ( 'sidebar_title_color' ); ?>" class="color-picker" id="<?php echo $this -> get_field_id ( 'sidebar_title_color' ); ?>" value="<?php echo $title_color; ?>" data-default-color="<?php echo $defaults[ 'sidebar_title_color' ]; ?>" />
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</p>
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<div class="ez-toc-widget-form-group">
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<label for="<?php echo $this -> get_field_id ( 'sidebar_title_size' ); ?>"><?php _e ( 'Title Font Size', 'easy-table-of-contents' ); ?>:</label>
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<input type="text" id="<?php echo $this -> get_field_id ( 'sidebar_title_size' ); ?>" name="<?php echo $this -> get_field_name ( 'sidebar_title_size' ); ?>" value="<?php echo $instance[ 'sidebar_title_size' ]; ?>" style="width: 60px;"/>
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<select id="<?php echo $this -> get_field_id ( 'sidebar_title_size_unit' ); ?>" name="<?php echo $this -> get_field_name ( 'sidebar_title_size_unit' ); ?>" data-placeholder="" >
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<option value="%" <?php echo ( '%' == $instance[ 'sidebar_title_size_unit' ] ) ? 'selected' : ''; ?>><?php _e ( '%', 'easy-table-of-contents' ); ?></option>
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<option value="pt" <?php echo ( 'pt' == $instance[ 'sidebar_title_size_unit' ] ) ? 'selected=' : ''; ?> ><?php _e ( 'pt', 'easy-table-of-contents' ); ?></option>
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<option value="px" <?php echo ( 'px' == $instance[ 'sidebar_title_size_unit' ] ) ? 'selected=' : ''; ?>><?php _e ( 'px', 'easy-table-of-contents' ); ?></option>
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<option value="em" <?php echo ( 'em' == $instance[ 'sidebar_title_size_unit' ] ) ? 'selected=' : ''; ?>><?php _e ( 'em', 'easy-table-of-contents' ); ?></option>
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</select>
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</div>
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<div class="ez-toc-widget-form-group">
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<label for="<?php echo $this -> get_field_id ( 'sidebar_title_weight' ); ?>"><?php _e ( 'Title Font Weight', 'easy-table-of-contents' ); ?>:</label>
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<select id="<?php echo $this -> get_field_id ( 'sidebar_title_weight' ); ?>" name="<?php echo $this -> get_field_name ( 'sidebar_title_weight' ); ?>" data-placeholder="" style=" width: 60px; ">
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<option value="100" <?php echo ( '100' == $instance[ 'sidebar_title_weight' ] ) ? 'selected' : ''; ?>><?php _e ( '100', 'easy-table-of-contents' ); ?></option>
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<option value="200" <?php echo ( '200' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?> ><?php _e ( '200', 'easy-table-of-contents' ); ?></option>
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<option value="300" <?php echo ( '300' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '300', 'easy-table-of-contents' ); ?></option>
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<option value="400" <?php echo ( '400' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '400', 'easy-table-of-contents' ); ?></option>
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<option value="500" <?php echo ( '500' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '500', 'easy-table-of-contents' ); ?></option>
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<option value="600" <?php echo ( '600' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '600', 'easy-table-of-contents' ); ?></option>
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<option value="700" <?php echo ( '700' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '700', 'easy-table-of-contents' ); ?></option>
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<option value="800" <?php echo ( '800' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '800', 'easy-table-of-contents' ); ?></option>
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<option value="900" <?php echo ( '900' == $instance[ 'sidebar_title_weight' ] ) ? 'selected=' : ''; ?>><?php _e ( '900', 'easy-table-of-contents' ); ?></option>
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</select>
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</div>
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<p class="ez-toc-widget-form-group">
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<label for="<?php echo $this->get_field_id( 'highlight_color' ); ?>" style="margin-right: 12px;"><?php _e( 'Active Section Highlight Color:', 'easy-table-of-contents' ); ?></label><br>
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<input type="text" name="<?php echo $this->get_field_name( 'highlight_color' ); ?>" class="color-picker" id="<?php echo $this->get_field_id( 'highlight_color' ); ?>" value="<?php echo $highlight_color; ?>" data-default-color="<?php echo $defaults['highlight_color']; ?>" />
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</p>
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</div>
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</div>
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<p style="display: <?php echo ezTOC_Option::get( 'widget_affix_selector' ) ? 'block' : 'none'; ?>;">
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<input class="checkbox" type="checkbox" <?php checked( $instance['affix'], 1 ); ?>
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id="<?php echo $this->get_field_id( 'affix' ); ?>"
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name="<?php echo $this->get_field_name( 'affix' ); ?>" value="1"/>
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<label for="<?php echo $this->get_field_id( 'affix' ); ?>"> <?php _e( 'Affix or pin the widget.', 'easy-table-of-contents' ); ?></label>
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</p>
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<p class="description" style="display: <?php echo ezTOC_Option::get( 'widget_affix_selector' ) ? 'block' : 'none'; ?>;">
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<?php _e( 'If you choose to affix the widget, do not add any other widgets on the sidebar. Also, make sure you have only one instance Table of Contents widget on the page.', 'easy-table-of-contents' ); ?>
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</p>
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<?php
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}
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} // end class
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add_action( 'widgets_init', array( 'ezTOC_Widget', 'register' ) );
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}
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