Implement setEditor + Add some macros

pnpm-lock.yaml

@@ -75,7 +75,7 @@ devDependencies:
   jsdom: 20.0.0
   postcss: 8.4.16
   sass: 1.54.3
-  tailwindcss: 3.1.8
+  tailwindcss: 3.1.8_postcss@8.4.16
   typescript: 4.7.4
   vite: 3.0.4_sass@1.54.3
   vitest: 0.20.3_hymhw3vkyr5yfvzfskw3x5v26q
@@ -3222,10 +3222,12 @@ packages:
     resolution: {integrity: sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==}
     dev: true
 
-  /tailwindcss/3.1.8:
+  /tailwindcss/3.1.8_postcss@8.4.16:
     resolution: {integrity: sha512-YSneUCZSFDYMwk+TGq8qYFdCA3yfBRdBlS7txSq0LUmzyeqRe3a8fBQzbz9M3WS/iFT4BNf/nmw9mEzrnSaC0g==}
     engines: {node: '>=12.13.0'}
     hasBin: true
+    peerDependencies:
+      postcss: ^8.0.9
     dependencies:
       arg: 5.0.2
       chokidar: 3.5.3

public/smartcomponent/svg-layout-designer.ts

@@ -12,6 +12,23 @@
             this._hooks = {};
         }
 
+        /**
+         * Return the HTML component handling the editor
+         */
+        public GetAppComponent() {
+            const component = this.$component[0]
+                .querySelector('iframe')
+                .contentDocument
+                .querySelector('.App');
+
+            if (component === undefined) {
+                throw new Error('[SVGLD] Cannot hook the event because the editor is not yet open')
+            }
+
+            return component;
+        }
+
+
         /**
          * Return the HTML component handling the editor
          */
@@ -39,7 +56,23 @@
         }
 
 
-        /// Custom Events ///
+        /// App Events ///
+
+        /**
+         * Not to be confused with setHistory,
+         * change the default configuration for the new containers, symbols etc.
+         * @param newEditor New editor configuration to set
+         * @param callback
+         */
+        public SetEditor(newEditor: IEditorState, callback?: (state: IEditorState) => void) {
+            const eventType = 'setEditor';
+            this.AddEventListener(callback, eventType);
+            const component = this.GetAppComponent();
+            component.dispatchEvent(new CustomEvent(eventType, { detail: newEditor }))
+        }
+
+
+        /// Editor Events ///
 
         /**
          * Return in a callback the current state in the history of the editor
@@ -53,7 +86,7 @@
         }
 
         /**
-         * Return in a callback the current state of the editor
+         * Return in a callback the current history of the editor
          * @param callback
          */
         public GetEditorState(callback: (state: IEditorState) => void) {
@@ -68,8 +101,8 @@
          * @param history Whole history of the editor
          * @param callback (optional)
          */
-        public SetEditorState(history: IHistoryState[], callback?: (state: IEditorState) => void) {
-            const eventType = 'setEditorState';
+        public SetHistory(history: IHistoryState[], callback?: (state: IEditorState) => void) {
+            const eventType = 'setHistory';
             this.AddEventListener(callback, eventType);
             const component = this.GetEditorComponent();
             component.dispatchEvent(new CustomEvent(eventType, { detail: history }));
@@ -263,6 +296,9 @@
             root.addEventListener(eventType, listener);
         }
 
+
+        /// Hooks ///
+
         private static EDITOR_LISTENER_TYPE = 'editorListener';
         private _hooks: Record<string, (e: CustomEvent) => void>;
 
@@ -295,6 +331,29 @@
             root.removeEventListener(SVGLayoutDesigner.EDITOR_LISTENER_TYPE, this._hooks[hookId]);
             delete this._hooks[hookId];
         }
+
+
+        /// Macros ///
+
+        /**
+         * Reset to the first state and clear all history
+         */
+        public Reset(): void {
+            this.GetEditorState((state) => {
+                this.SetHistory([state.history[0]]);
+            });
+        }
+
+        /**
+         * Clear all previous history but the last state
+         */
+        public ClearHistory(): void {
+            this.GetEditorState((state) => {
+                this.SetHistory([state.history[state.history.length - 1]]);
+            });
+        }
+
+
     }
 
     ko.components.register('svg-layout-designer', {

src/Components/App/App.tsx

@@ -1,4 +1,5 @@
-import React, { Dispatch, SetStateAction, useEffect, useState } from 'react';
+import React, { Dispatch, SetStateAction, useEffect, useRef, useState } from 'react';
+import { events as EVENTS } from '../../Events/AppEvents';
 import { MainMenu } from '../MainMenu/MainMenu';
 import { ContainerModel } from '../../Interfaces/IContainerModel';
 import { Editor } from '../Editor/Editor';
@@ -40,8 +41,39 @@ function UseHTTPGETStatePreloading(
   });
 };
 
+function UseCustomEvents(
+  root: Element | Document,
+  appRef: React.RefObject<HTMLDivElement>,
+  setEditor: (newState: IEditorState) => void
+): void {
+  useEffect(() => {
+    const funcs = new Map<string, () => void>();
+    for (const event of EVENTS) {
+      function Func(eventInitDict?: CustomEventInit): void {
+        return event.func(
+          root,
+          setEditor,
+          eventInitDict
+        );
+      }
+      appRef.current?.addEventListener(event.name, Func);
+      funcs.set(event.name, Func);
+    }
+    return () => {
+      for (const event of EVENTS) {
+        const func = funcs.get(event.name);
+        if (func === undefined) {
+          continue;
+        }
+        appRef.current?.removeEventListener(event.name, func);
+      }
+    };
+  });
+}
+
 export function App(props: IAppProps): JSX.Element {
   const [isLoaded, setLoaded] = useState<boolean>(false);
+  const appRef = useRef<HTMLDivElement>(null);
 
   const defaultMainContainer = new ContainerModel(
     null,
@@ -61,11 +93,20 @@ export function App(props: IAppProps): JSX.Element {
     historyCurrentStep: 0
   });
 
+  UseCustomEvents(
+    props.root,
+    appRef,
+    setEditorState
+  );
+
   UseHTTPGETStatePreloading(isLoaded, setEditorState, setLoaded);
 
   if (isLoaded) {
     return (
-      <div>
+      <div
+        ref={appRef}
+        className='App'
+      >
         <Editor
           root={props.root}
           configuration={editorState.configuration}
@@ -77,7 +118,10 @@ export function App(props: IAppProps): JSX.Element {
   }
 
   return (
-    <div className='mainmenu-bg'>
+    <div
+      ref={appRef}
+      className='App mainmenu-bg'
+    >
       <MainMenu
         newEditor={() => NewEditor(
           setEditorState, setLoaded

src/Events/AppEvents.ts

@@ -0,0 +1,25 @@
+import { IEditorState } from '../Interfaces/IEditorState';
+
+export interface IAppEvent {
+  name: string
+  func: (
+    root: Element | Document,
+    setEditor: (newState: IEditorState) => void,
+    eventInitDict?: CustomEventInit
+  ) => void
+}
+
+export const events: IAppEvent[] = [
+  { name: 'setEditor', func: SetEditor }
+];
+
+function SetEditor(
+  root: Element | Document,
+  setEditor: (newState: IEditorState) => void,
+  eventInitDict?: CustomEventInit
+): void {
+  const editor: IEditorState = eventInitDict?.detail;
+  setEditor(editor);
+  const customEvent = new CustomEvent<IEditorState>('setEditor', { detail: editor });
+  root.dispatchEvent(customEvent);
+}

src/Events/EditorEvents.ts

@@ -19,7 +19,7 @@ export interface IEditorEvent {
 
 export const events: IEditorEvent[] = [
   { name: 'getEditorState', func: GetEditorState },
-  { name: 'setEditorState', func: SetEditorState },
+  { name: 'setHistory', func: SetHistory },
   { name: 'reviveEditorState', func: ReviveEditorState },
   { name: 'reviveHistory', func: ReviveHistory },
   { name: 'getCurrentHistoryState', func: GetCurrentHistoryState },
@@ -41,15 +41,14 @@ function GetEditorState(root: Element | Document,
   root.dispatchEvent(customEvent);
 }
 
-// TODO: In the near future, implement a real SetEditorState which also change IConfiguration
-function SetEditorState(root: Element | Document,
+function SetHistory(root: Element | Document,
   editorState: IEditorState,
   setNewHistory: (newHistory: IHistoryState[]) => void,
   eventInitDict?: CustomEventInit): void {
   const history: IHistoryState[] = eventInitDict?.detail;
   ReviveHistoryAction(history);
   setNewHistory(history);
-  const customEvent = new CustomEvent<IEditorState>('setEditorState', { detail: editorState });
+  const customEvent = new CustomEvent<IEditorState>('setHistory', { detail: editorState });
   root.dispatchEvent(customEvent);
 }