<?php

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/**

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* Functions for using the built-in code editor library

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*

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* @package Code_Snippets

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*/

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namespace Code_Snippets;

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use function Code_Snippets\Settings\get_setting;

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/**

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* Register and load the CodeMirror library.

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*

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* @param string $type Type of code editor – either 'php', 'css', 'js', or 'html'.

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* @param array<string, mixed> $extra_atts Pass a list of attributes to override the saved ones.

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*/

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function enqueue_code_editor( string $type, array $extra_atts = [] ) {

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$plugin = code_snippets();

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$modes = [

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'css' => 'text/css',

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'php' => 'php-snippet',

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'js' => 'javascript',

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'html' => 'application/x-httpd-php',

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];

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if ( ! isset( $modes[ $type ] ) ) {

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$type = 'php';

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}

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$default_atts = [

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'mode' => $modes[ $type ],

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'inputStyle' => 'textarea',

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'matchBrackets' => true,

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'extraKeys' => [

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'Alt-F' => 'findPersistent',

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'Ctrl-Space' => 'autocomplete',

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'Ctrl-/' => 'toggleComment',

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'Cmd-/' => 'toggleComment',

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'Alt-Up' => 'swapLineUp',

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'Alt-Down' => 'swapLineDown',

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],

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'gutters' => [ 'CodeMirror-lint-markers', 'CodeMirror-foldgutter' ],

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'lint' => 'css' === $type || 'php' === $type,

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'direction' => 'ltr',

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'colorpicker' => [ 'mode' => 'edit' ],

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'foldOptions' => [ 'widget' => '...' ],

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];

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// Add relevant saved setting values to the default attributes.

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$plugin_settings = Settings\get_settings_values();

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$setting_fields = Settings\get_settings_fields();

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

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// The 'codemirror' setting field specifies the name of the attribute.

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$default_atts[ $field['codemirror'] ] = $plugin_settings['editor'][ $field_id ];

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}

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// Merge the default attributes with the ones passed into the function.

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$atts = wp_parse_args( $default_atts, $extra_atts );

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$atts = apply_filters( 'code_snippets_codemirror_atts', $atts );

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// Ensure number values are not formatted as strings.

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foreach ( [ 'indentUnit', 'tabSize' ] as $number_att ) {

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$atts[ $number_att ] = intval( $atts[ $number_att ] );

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}

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// Remove fontSize from the options and add it as an inline style.

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if ( isset( $atts['fontSize'] ) ) {

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$font_size = intval( $atts['fontSize'] );

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unset( $atts['fontSize'] );

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wp_add_inline_style( 'code-editor', ".CodeMirror { font-size: {$font_size}px !important; }" );

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}

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wp_enqueue_code_editor(

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[

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

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'codemirror' => $atts,

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]

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);

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wp_enqueue_script( 'htmlhint' );

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wp_enqueue_script( 'csslint' );

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wp_enqueue_script( 'jshint' );

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wp_enqueue_script(

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'code-snippets-code-editor',

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

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[ 'code-editor' ],

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$plugin->version,

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true

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);

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// CodeMirror Theme.

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$theme = get_setting( 'editor', 'theme' );

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if ( 'default' !== $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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}

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/**

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* Retrieve a list of the available CodeMirror themes.

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*

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* @return array<string> The available themes.

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*/

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function get_editor_themes(): array {

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static $themes = null;

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if ( ! is_null( $themes ) ) {

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return $themes;

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}

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$themes = array();

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$themes_dir = plugin_dir_path( PLUGIN_FILE ) . 'dist/editor-themes/';

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$theme_files = glob( $themes_dir . '*.css' );

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foreach ( $theme_files as $theme ) {

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$theme = str_replace( $themes_dir, '', $theme );

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$theme = str_replace( '.css', '', $theme );

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$themes[] = $theme;

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}

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return $themes;

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}

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