chore: added features list to readme

lib/src/models/enum.dart

@@ -0,0 +1,44 @@
+enum CommandName {
+  UNDO,
+  REDO,
+  FORECOLOR,
+  BACKCOLOR,
+  FONTNAME,
+  FONTSIZE,
+  BOLD,
+  ITALIC,
+  UNDERLINE,
+  SUBSCRIPT,
+  SUPERSCRIPT,
+  STRIKETHROUGH,
+  FORMATBLOCK, // passes value for below format
+  H1,
+  H2,
+  H3,
+  H4,
+  H5,
+  H6,
+  P,
+  PRE,
+  BR, // not settable (at least i don't know how)
+  BLOCKQUOTE,
+  REMOVEFORMAT,
+  JUSTIFYCENTER,
+  JUSTIFYFULL,
+  JUSTIFYLEFT,
+  JUSTIFYRIGHT,
+  INDENT,
+  OUTDENT,
+  INSERTUNORDEREDLIST,
+  INSERTORDEREDLIST,
+  INSERTHORIZONTALRULE,
+  INSERTHTML, // determines if the three command below are executable
+  INSERTLINK, // pseudo commands, there are no corresponding values for execCommand()
+  INSERTIMAGE,
+  INSERTCHECKBOX,
+// pseudo commands for toggling grouped command views
+  ENTER_VIEWING_MODE,
+  EXPANDING_SEARCH_VIEWING,
+  TOGGLE_GROUPED_TEXT_STYLES_COMMANDS_VIEW,
+  TOGGLE_GROUPED_INSERT_COMMANDS_COMMANDS_VIEW
+}

lib/src/utils/command_state.dart

@@ -0,0 +1,6 @@
+class CommandState {
+  bool executable = false;
+  var value = "";
+
+  CommandState(this.executable, this.value);
+}

lib/src/utils/javascript_executor_base.dart

@@ -1,10 +1,22 @@
 import 'package:flutter/material.dart';
 import 'package:rich_editor/src/extensions/extensions.dart';
+import 'package:rich_editor/src/models/enum.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 
+import 'command_state.dart';
+
 class JavascriptExecutorBase {
   WebViewController? _controller;
 
+  String defaultHtml = "<p>\u200B</p>";
+
+  String editorStateChangedCallbackScheme = "editor-state-changed-callback://";
+
+  String defaultEncoding = "UTF-8";
+
+  String? htmlField = "";
+  Map<CommandName, CommandState> commandStates = {};
+
   init(WebViewController controller) {
     _controller = controller;
   }
@@ -13,12 +25,17 @@ class JavascriptExecutorBase {
     return await _controller!.evaluateJavascript('editor.$command');
   }
 
+  String getCachedHtml() {
+    return htmlField!;
+  }
+
   setHtml(String html) async {
     String? baseUrl;
     await executeJavascript("setHtml('" + encodeHtml(html) + "', '$baseUrl');");
+    htmlField = html;
   }
 
-  getHtml() async {
+  getCurrentHtml() async {
     String? html = await executeJavascript('getEncodedHtml()');
     String? decodedHtml = Uri.decodeFull(html!);
     if (decodedHtml.startsWith('"') && decodedHtml.endsWith('"')) {
@@ -27,6 +44,10 @@ class JavascriptExecutorBase {
     return decodedHtml;
   }
 
+  bool isDefaultRichTextEditorHtml(String html) {
+    return defaultHtml == html;
+  }
+
   // Text commands
   undo() async {
     await executeJavascript("undo()");