<?php

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/**

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* This file handles the editor preview setting

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*

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* @since 2.0.0

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* @package Code_Snippets

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*/

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namespace Code_Snippets\Settings;

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use function Code_Snippets\code_snippets;

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use function Code_Snippets\enqueue_code_editor;

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use function Code_Snippets\get_editor_themes;

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/**

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* Load the CSS and JavaScript for the editor preview field

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*/

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function enqueue_editor_preview_assets() {

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$plugin = code_snippets();

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enqueue_code_editor( 'php' );

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// Enqueue all editor themes.

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$themes = get_editor_themes();

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foreach ( $themes as $theme ) {

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wp_enqueue_style(

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'code-snippets-editor-theme-' . $theme,

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plugins_url( "dist/editor-themes/$theme.css", $plugin->file ),

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[ 'code-editor' ],

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$plugin->version

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);

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}

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// Enqueue the menu scripts.

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wp_enqueue_script(

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'code-snippets-settings-menu',

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plugins_url( 'dist/settings.js', $plugin->file ),

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[ 'code-snippets-code-editor' ],

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$plugin->version,

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true

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);

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wp_set_script_translations( 'code-snippets-settings-menu', 'code-snippets' );

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// Extract the CodeMirror-specific editor settings.

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$setting_fields = get_settings_fields();

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$editor_fields = array();

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foreach ( $setting_fields['editor'] as $name => $field ) {

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if ( empty( $field['codemirror'] ) ) {

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continue;

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}

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$editor_fields[] = array(

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'name' => $name,

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'type' => $field['type'],

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'codemirror' => addslashes( $field['codemirror'] ),

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);

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}

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// Pass the saved options to the external JavaScript file.

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$inline_script = 'var code_snippets_editor_settings = ' . wp_json_encode( $editor_fields ) . ';';

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wp_add_inline_script( 'code-snippets-settings-menu', $inline_script, 'before' );

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// Provide configuration and simple i18n for the version switch JS module.

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$version_switch = array(

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'ajaxurl' => admin_url( 'admin-ajax.php' ),

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'nonce_switch' => wp_create_nonce( 'code_snippets_version_switch' ),

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'nonce_refresh' => wp_create_nonce( 'code_snippets_refresh_versions' ),

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);

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$strings = array(

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'selectDifferent' => esc_html__( 'Please select a different version to switch to.', 'code-snippets' ),

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'switching' => esc_html__( 'Switching...', 'code-snippets' ),

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'processing' => esc_html__( 'Processing version switch. Please wait...', 'code-snippets' ),

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'error' => esc_html__( 'An error occurred.', 'code-snippets' ),

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'errorSwitch' => esc_html__( 'An error occurred while switching versions. Please try again.', 'code-snippets' ),

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'refreshing' => esc_html__( 'Refreshing...', 'code-snippets' ),

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'refreshed' => esc_html__( 'Refreshed!', 'code-snippets' ),

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);

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wp_add_inline_script( 'code-snippets-settings-menu', 'var code_snippets_version_switch = ' . wp_json_encode( $version_switch ) . '; var __code_snippets_i18n = ' . wp_json_encode( $strings ) . ';', 'before' );

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}

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/**

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* Retrieve the list of code editor themes.

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*

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* @return array<string, string> List of editor themes.

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*/

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function get_editor_theme_list(): array {

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$themes = [

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'default' => __( 'Default', 'code-snippets' ),

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];

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foreach ( get_editor_themes() as $theme ) {

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// Skip mobile themes.

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if ( '-mobile' === substr( $theme, -7 ) ) {

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continue;

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}

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$themes[ $theme ] = ucwords( str_replace( '-', ' ', $theme ) );

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}

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return $themes;

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}

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/**

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* Render the editor preview setting

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*/

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function render_editor_preview() {

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$settings = get_settings_values();

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$settings = $settings['editor'];

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$indent_unit = absint( $settings['indent_unit'] );

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$tab_size = absint( $settings['tab_size'] );

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$n_tabs = $settings['indent_with_tabs'] ? floor( $indent_unit / $tab_size ) : 0;

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$n_spaces = $settings['indent_with_tabs'] ? $indent_unit % $tab_size : $indent_unit;

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$indent = str_repeat( "\t", $n_tabs ) . str_repeat( ' ', $n_spaces );

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$code = "add_filter( 'admin_footer_text', function ( \$text ) {\n\n" .

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$indent . "\$site_name = get_bloginfo( 'name' );\n\n" .

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$indent . '$text = "Thank you for visiting $site_name.";' . "\n" .

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$indent . 'return $text;' . "\n" .

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"} );\n";

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echo '<textarea id="code_snippets_editor_preview">', esc_textarea( $code ), '</textarea>';

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}

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