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/** |
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* MetaSync Custom Pages Enhanced Editor |
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* |
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* Provides enhanced HTML editing with CodeMirror syntax highlighting |
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* and live preview functionality |
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*/ |
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|
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/* global metasyncCustomPagesSettings */ |
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|
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(function ($) { |
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'use strict'; |
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|
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var CustomPagesEditor = { |
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editor: null, |
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|
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/** |
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* Initialize the editor |
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*/ |
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init: function () { |
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this.setupCodeEditor(); |
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this.bindEvents(); |
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this.toggleControls(); |
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}, |
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|
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/** |
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* Setup CodeMirror editor |
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*/ |
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setupCodeEditor: function () { |
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var textarea = document.getElementById('metasync_html_content'); |
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|
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if (!textarea) { |
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console.error('MetaSync: HTML content textarea not found'); |
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return; |
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} |
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|
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if (typeof metasyncCustomPagesSettings === 'undefined' || !metasyncCustomPagesSettings.codeEditorSettings) { |
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console.warn('MetaSync: CodeMirror settings not available, using plain textarea'); |
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return; |
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} |
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|
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// Initialize CodeMirror |
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var editorSettings = metasyncCustomPagesSettings.codeEditorSettings; |
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|
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// Enhanced settings for HTML editing |
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editorSettings.codemirror = $.extend({}, editorSettings.codemirror, { |
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mode: 'htmlmixed', |
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lineNumbers: true, |
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lineWrapping: true, |
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matchBrackets: true, |
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autoCloseTags: true, |
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autoCloseBrackets: true, |
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matchTags: { bothTags: true }, |
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extraKeys: { |
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'Ctrl-Space': 'autocomplete', |
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'Ctrl-J': 'toMatchingTag', |
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'F11': function (cm) { |
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cm.setOption('fullScreen', !cm.getOption('fullScreen')); |
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}, |
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'Esc': function (cm) { |
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if (cm.getOption('fullScreen')) { |
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cm.setOption('fullScreen', false); |
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} |
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} |
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}, |
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theme: 'default', |
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indentUnit: 2, |
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tabSize: 2, |
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indentWithTabs: false |
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}); |
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|
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try { |
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this.editor = wp.codeEditor.initialize(textarea, editorSettings); |
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|
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if (this.editor) { |
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console.log('MetaSync: CodeMirror initialized successfully'); |
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|
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// Force CodeMirror to refresh and load textarea content |
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setTimeout(function () { |
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if (this.editor && this.editor.codemirror) { |
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this.editor.codemirror.refresh(); |
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// Ensure textarea value is synced to CodeMirror |
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var textareaValue = textarea.value; |
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if (textareaValue && textareaValue.length > 0) { |
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this.editor.codemirror.setValue(textareaValue); |
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console.log('MetaSync: Loaded ' + textareaValue.length + ' characters into CodeMirror'); |
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} |
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} |
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}.bind(this), 100); |
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|
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// Add fullscreen toggle button |
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this.addFullscreenButton(); |
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} else { |
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console.warn('MetaSync: CodeMirror failed to initialize, using plain textarea'); |
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} |
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} catch (error) { |
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console.error('MetaSync: Error initializing CodeMirror:', error); |
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} |
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}, |
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|
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/** |
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* Add fullscreen button to editor toolbar |
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*/ |
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addFullscreenButton: function () { |
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if (!this.editor) { |
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return; |
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} |
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|
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var $editorWrap = $(this.editor.codemirror.getWrapperElement()).parent(); |
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|
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var $toolbar = $('<div class="metasync-editor-toolbar"></div>'); |
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var $fullscreenBtn = $('<button type="button" class="button metasync-fullscreen-btn" title="Toggle Fullscreen (F11)"><span class="dashicons dashicons-fullscreen-alt"></span></button>'); |
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|
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$toolbar.append($fullscreenBtn); |
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$editorWrap.prepend($toolbar); |
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|
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var editor = this.editor.codemirror; |
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$fullscreenBtn.on('click', function (e) { |
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e.preventDefault(); |
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editor.setOption('fullScreen', !editor.getOption('fullScreen')); |
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$(this).find('.dashicons').toggleClass('dashicons-fullscreen-alt dashicons-fullscreen-exit-alt'); |
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}); |
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}, |
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|
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/** |
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* Bind event handlers |
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*/ |
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bindEvents: function () { |
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var self = this; |
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|
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// Toggle HTML controls when checkbox changes |
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$('#metasync_html_enabled').on('change', function () { |
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self.toggleControls(); |
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}); |
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|
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// File upload handling |
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$('#metasync_html_file').on('change', function (e) { |
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self.handleFileUpload(e); |
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}); |
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|
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// Preview button |
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$('#metasync-preview-html').on('click', function (e) { |
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e.preventDefault(); |
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self.previewHTML(); |
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}); |
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|
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// Format HTML button |
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$(document).on('click', '.metasync-format-html', function (e) { |
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e.preventDefault(); |
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self.formatHTML(); |
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}); |
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|
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// Minify HTML button |
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$(document).on('click', '.metasync-minify-html', function (e) { |
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e.preventDefault(); |
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self.minifyHTML(); |
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}); |
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|
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// CRITICAL FIX: Sync CodeMirror content back to textarea before form submission |
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// This ensures that changes made in CodeMirror are saved when publishing/updating |
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$('#post').on('submit', function () { |
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self.syncEditorContent(); |
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}); |
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|
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// Also sync on autosave |
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$(document).on('heartbeat-tick.autosave', function () { |
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self.syncEditorContent(); |
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}); |
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|
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// Sync before WordPress autosave runs |
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if (typeof wp !== 'undefined' && wp.autosave) { |
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$(document).on('before-autosave', function () { |
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self.syncEditorContent(); |
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}); |
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} |
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|
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// Periodic sync every 10 seconds to ensure data is never lost |
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setInterval(function () { |
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self.syncEditorContent(); |
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}, 10000); |
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|
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// Sync before page unload (when user navigates away) |
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$(window).on('beforeunload', function () { |
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self.syncEditorContent(); |
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}); |
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|
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// Add keyboard shortcuts info |
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this.addKeyboardShortcutsInfo(); |
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}, |
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|
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/** |
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* Sync CodeMirror content back to textarea |
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* CRITICAL: This must be called before form submission to save changes |
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*/ |
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syncEditorContent: function () { |
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if (this.editor && this.editor.codemirror) { |
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var content = this.editor.codemirror.getValue(); |
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$('#metasync_html_content').val(content); |
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console.log('MetaSync: Synced ' + content.length + ' characters from CodeMirror to textarea'); |
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return true; |
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} |
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return false; |
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}, |
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|
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/** |
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* Toggle HTML controls visibility |
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*/ |
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toggleControls: function () { |
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var isEnabled = $('#metasync_html_enabled').is(':checked'); |
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|
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if (isEnabled) { |
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$('#metasync-html-controls').slideDown(); |
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} else { |
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$('#metasync-html-controls').slideUp(); |
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} |
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}, |
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|
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/** |
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* Handle HTML file upload |
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*/ |
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handleFileUpload: function (e) { |
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var self = this; |
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var file = e.target.files[0]; |
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|
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if (!file) { |
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return; |
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} |
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|
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// Validate file type |
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if (!file.name.match(/\.(html|htm)$/i)) { |
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alert('Please upload an HTML file (.html or .htm)'); |
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e.target.value = ''; |
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return; |
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} |
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|
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// Validate file size (max 5MB) |
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if (file.size > 5 * 1024 * 1024) { |
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alert('File size must be less than 5MB'); |
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e.target.value = ''; |
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return; |
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} |
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|
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var reader = new FileReader(); |
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|
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reader.onload = function (event) { |
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var htmlContent = event.target.result; |
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|
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// Set content in CodeMirror or textarea |
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if (self.editor && self.editor.codemirror) { |
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self.editor.codemirror.setValue(htmlContent); |
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} else { |
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$('#metasync_html_content').val(htmlContent); |
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} |
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|
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// Show success message |
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self.showNotice('HTML file loaded successfully. Remember to save/publish the page.', 'success'); |
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}; |
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|
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reader.onerror = function () { |
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alert('Error reading file. Please try again.'); |
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}; |
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|
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reader.readAsText(file); |
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}, |
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|
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/** |
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* Preview HTML in new window |
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*/ |
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previewHTML: function () { |
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var htmlContent; |
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|
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if (this.editor && this.editor.codemirror) { |
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htmlContent = this.editor.codemirror.getValue(); |
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} else { |
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htmlContent = $('#metasync_html_content').val(); |
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} |
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|
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if (!htmlContent || htmlContent.trim() === '') { |
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alert('Please enter HTML content first.'); |
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return; |
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} |
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|
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// Open preview in new window |
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var previewWindow = window.open('', 'preview', 'width=1200,height=800,menubar=no,toolbar=no,location=no'); |
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|
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if (!previewWindow) { |
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alert('Preview blocked by popup blocker. Please allow popups for this site.'); |
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return; |
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} |
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|
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previewWindow.document.write(htmlContent); |
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previewWindow.document.close(); |
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}, |
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|
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/** |
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* Format/beautify HTML |
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*/ |
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formatHTML: function () { |
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var htmlContent; |
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|
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if (this.editor && this.editor.codemirror) { |
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htmlContent = this.editor.codemirror.getValue(); |
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} else { |
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htmlContent = $('#metasync_html_content').val(); |
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} |
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|
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if (!htmlContent) { |
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return; |
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} |
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|
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// Simple HTML formatting (indent properly) |
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var formatted = this.beautifyHTML(htmlContent); |
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|
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if (this.editor && this.editor.codemirror) { |
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this.editor.codemirror.setValue(formatted); |
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} else { |
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$('#metasync_html_content').val(formatted); |
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} |
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|
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this.showNotice('HTML formatted successfully!', 'success'); |
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}, |
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|
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/** |
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* Simple HTML beautifier |
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*/ |
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beautifyHTML: function (html) { |
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var tab = ' '; |
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var result = ''; |
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var indent = ''; |
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|
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html.split(/>\s*</).forEach(function (element) { |
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if (element.match(/^\/\w/)) { |
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indent = indent.substring(tab.length); |
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} |
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|
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result += indent + '<' + element + '>\r\n'; |
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|
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if (element.match(/^<?\w[^>]*[^/]$/) && !element.startsWith('input')) { |
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indent += tab; |
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} |
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}); |
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|
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return result.substring(1, result.length - 3); |
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}, |
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|
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/** |
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* Minify HTML |
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*/ |
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minifyHTML: function () { |
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var htmlContent; |
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|
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if (this.editor && this.editor.codemirror) { |
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htmlContent = this.editor.codemirror.getValue(); |
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} else { |
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htmlContent = $('#metasync_html_content').val(); |
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} |
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|
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if (!htmlContent) { |
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return; |
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} |
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|
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// Simple minification - remove extra whitespace |
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var minified = htmlContent |
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.replace(/\s+/g, ' ') |
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.replace(/>\s+</g, '><') |
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.trim(); |
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|
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if (this.editor && this.editor.codemirror) { |
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this.editor.codemirror.setValue(minified); |
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} else { |
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$('#metasync_html_content').val(minified); |
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} |
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|
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this.showNotice('HTML minified successfully!', 'success'); |
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}, |
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|
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/** |
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* Show admin notice |
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*/ |
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showNotice: function (message, type) { |
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type = type || 'info'; |
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|
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var $notice = $('<div class="notice notice-' + type + ' is-dismissible"><p>' + message + '</p></div>'); |
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|
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$('.metasync-custom-html-container').prepend($notice); |
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|
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setTimeout(function () { |
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$notice.fadeOut(function () { |
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$(this).remove(); |
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}); |
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}, 3000); |
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}, |
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|
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/** |
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* Add keyboard shortcuts info |
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*/ |
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addKeyboardShortcutsInfo: function () { |
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var shortcuts = [ |
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{ key: 'Ctrl + Space', action: 'Autocomplete' }, |
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{ key: 'Ctrl + J', action: 'Jump to matching tag' }, |
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{ key: 'F11', action: 'Toggle fullscreen' }, |
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{ key: 'Esc', action: 'Exit fullscreen' }, |
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{ key: 'Ctrl + /', action: 'Toggle comment' } |
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]; |
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|
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var $info = $('<div class="metasync-keyboard-shortcuts"></div>'); |
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$info.append('<h4>⌨️ Keyboard Shortcuts</h4>'); |
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|
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var $list = $('<ul></ul>'); |
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shortcuts.forEach(function (shortcut) { |
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$list.append('<li><kbd>' + shortcut.key + '</kbd> - ' + shortcut.action + '</li>'); |
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}); |
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|
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$info.append($list); |
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$('#metasync-html-controls').append($info); |
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} |
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}; |
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|
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// Initialize when document is ready |
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$(document).ready(function () { |
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// Only initialize on custom page post type |
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if ($('#metasync_custom_html').length > 0) { |
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CustomPagesEditor.init(); |
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} |
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}); |
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|
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})(jQuery); |
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|
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|
