Enable device based preview (mobile/tablet/desktop) with orientations (landscape/portrait)

client/packages/lowcoder/package.json

@@ -52,6 +52,7 @@
     "file-saver": "^2.0.5",
     "github-markdown-css": "^5.1.0",
     "hotkeys-js": "^3.8.7",
+    "html5-device-mockups": "^3.2.1",
     "immer": "^9.0.7",
     "less": "^4.1.3",
     "lodash": "^4.17.21",
@@ -67,6 +68,7 @@
     "react": "^18.2.0",
     "react-best-gradient-color-picker": "^3.0.10",
     "react-colorful": "^5.5.1",
+    "react-device-mockups": "^0.1.12",
     "react-documents": "^1.2.1",
     "react-dom": "^18.2.0",
     "react-draggable": "^4.4.4",

client/packages/lowcoder/src/comps/editorState.tsx

@@ -35,6 +35,9 @@ export type CompInfo = {
 
 type SelectSourceType = "editor" | "leftPanel" | "addComp" | "rightPanel";
 
+export type DeviceType = "desktop" | "tablet" | "mobile";
+export type DeviceOrientation = "landscape" | "portrait";
+
 /**
  * All editor states are placed here and are still immutable.
  *
@@ -56,6 +59,8 @@ export class EditorState {
   readonly selectedBottomResType?: BottomResTypeEnum;
   readonly showResultCompName: string = "";
   readonly selectSource?: SelectSourceType; // the source of select type
+  readonly deviceType: DeviceType = "desktop";
+  readonly deviceOrientation: DeviceOrientation = "portrait";
 
   private readonly setEditorState: (
     fn: (editorState: EditorState) => EditorState
@@ -357,6 +362,14 @@ export class EditorState {
     this.changeState({ editorModeStatus: newEditorModeStatus });
   }
 
+  setDeviceType(type: DeviceType) {
+    this.changeState({ deviceType: type });
+  }
+
+  setDeviceOrientation(orientation: DeviceOrientation) {
+    this.changeState({ deviceOrientation: orientation });
+  }
+
   setDragging(dragging: boolean) {
     if (this.isDragging === dragging) {
       return;

client/packages/lowcoder/src/comps/hooks/screenInfoComp.tsx

@@ -1,5 +1,6 @@
-import { useCallback, useEffect, useState } from "react";
+import { useCallback, useEffect, useMemo, useState } from "react";
 import { hookToStateComp } from "../generators/hookToComp";
+import { CanvasContainerID } from "@lowcoder-ee/index.sdk";
 
 enum ScreenTypes {
   Mobile = 'mobile',
@@ -19,9 +20,13 @@ type ScreenInfo = {
 }
 
 function useScreenInfo() {
-  const getDeviceType = () => {
-    if (window.innerWidth < 768) return ScreenTypes.Mobile;
-    if (window.innerWidth < 889) return ScreenTypes.Tablet;
+  const canvasContainer = document.getElementById(CanvasContainerID);
+  const canvas = document.getElementsByClassName('lowcoder-app-canvas')?.[0];
+  const canvasWidth = canvasContainer?.clientWidth || canvas?.clientWidth;
+
+  const getDeviceType = (width: number) => {
+    if (width < 768) return ScreenTypes.Mobile;
+    if (width < 889) return ScreenTypes.Tablet;
     return ScreenTypes.Desktop;
   }
   const getFlagsByDeviceType = (deviceType: ScreenType) => {
@@ -41,16 +46,17 @@ function useScreenInfo() {
 
   const getScreenInfo = useCallback(() => {
     const { innerWidth, innerHeight } = window;
-    const deviceType = getDeviceType();
+    const deviceType = getDeviceType(canvasWidth || window.innerWidth);
     const flags = getFlagsByDeviceType(deviceType);
 
     return {
       width: innerWidth,
       height: innerHeight,
+      canvasWidth,
       deviceType,
       ...flags
     };
-  }, [])
+  }, [canvasWidth])
 
   const [screenInfo, setScreenInfo] = useState<ScreenInfo>({});
 
@@ -64,6 +70,10 @@ function useScreenInfo() {
     return () => window.removeEventListener('resize', updateScreenInfo);
   }, [ updateScreenInfo ])
 
+  useEffect(() => {
+    updateScreenInfo();
+  }, [canvasWidth]);
+
   return screenInfo;
 }
 

client/packages/lowcoder/src/pages/common/previewHeader.tsx

@@ -15,12 +15,17 @@ import ProfileDropdown from "./profileDropdown";
 import { trans } from "i18n";
 import { Logo } from "@lowcoder-ee/assets/images";
 import { AppPermissionDialog } from "../../components/PermissionDialog/AppPermissionDialog";
-import { useMemo, useState } from "react";
+import { useContext, useMemo, useState } from "react";
 import { getBrandingConfig } from "../../redux/selectors/configSelectors";
 import { HeaderStartDropdown } from "./headerStartDropdown";
 import { useParams } from "react-router";
 import { AppPathParams } from "constants/applicationConstants";
 import React from "react";
+import Segmented from "antd/es/segmented";
+import MobileOutlined from "@ant-design/icons/MobileOutlined";
+import TabletOutlined from "@ant-design/icons/TabletOutlined";
+import DesktopOutlined from "@ant-design/icons/DesktopOutlined";
+import { DeviceOrientation, DeviceType, EditorContext } from "@lowcoder-ee/comps/editorState";
 
 const HeaderFont = styled.div<{ $bgColor: string }>`
   font-weight: 500;
@@ -130,6 +135,7 @@ export function HeaderProfile(props: { user: User }) {
 
 const PreviewHeaderComp = () => {
   const params = useParams<AppPathParams>();
+  const editorState = useContext(EditorContext);
   const user = useSelector(getUser);
   const application = useSelector(currentApplication);
   const isPublicApp = useSelector(isPublicApplication);
@@ -197,9 +203,42 @@ const PreviewHeaderComp = () => {
       <HeaderProfile user={user} />
     </Wrapper>
   );
+
+  const headerMiddle = (
+    <>
+      {/* Devices */}
+      <Segmented<DeviceType>
+        options={[
+          { value: 'mobile', icon: <MobileOutlined /> },
+          { value: 'tablet', icon: <TabletOutlined /> },
+          { value: 'desktop', icon: <DesktopOutlined /> },
+        ]}
+        value={editorState.deviceType}
+        onChange={(value) => {
+          editorState.setDeviceType(value);
+        }}
+      />
+
+      {/* Orientation */}
+      {editorState.deviceType !== 'desktop' && (
+        <Segmented<DeviceOrientation>
+          options={[
+            { value: 'portrait', label: "Portrait" },
+            { value: 'landscape', label: "Landscape" },
+          ]}
+          value={editorState.deviceOrientation}
+          onChange={(value) => {
+            editorState.setDeviceOrientation(value);
+          }}
+        />
+      )}
+    </>
+  );
+
   return (
     <Header
       headerStart={headerStart}
+      headerMiddle={headerMiddle}
       headerEnd={headerEnd}
       style={{ backgroundColor: brandingConfig?.headerColor }}
     />

client/packages/lowcoder/src/pages/editor/editorView.tsx

@@ -30,10 +30,12 @@ import {
   UserGuideLocationState,
 } from "pages/tutorials/tutorialsConstant";
 import React, {
+  ReactNode,
   Suspense,
   lazy,
   useCallback,
   useContext,
+  useEffect,
   useLayoutEffect,
   useMemo,
   useState,
@@ -58,6 +60,7 @@ import EditorSkeletonView from "./editorSkeletonView";
 import { getCommonSettings } from "@lowcoder-ee/redux/selectors/commonSettingSelectors";
 import { isEqual, noop } from "lodash";
 import { AppSettingContext, AppSettingType } from "@lowcoder-ee/comps/utils/appSettingContext";
+import Flex from "antd/es/flex";
 // import { BottomSkeleton } from "./bottom/BottomContent";
 
 const Header = lazy(
@@ -251,6 +254,13 @@ export const EditorWrapper = styled.div`
   flex: 1 1 0;
 `;
 
+const DeviceWrapperInner = styled(Flex)`
+  margin: 20px 0 0;
+  .screen {
+    overflow: auto;
+  }
+`;
+
 interface EditorViewProps {
   uiComp: InstanceType<typeof UIComp>;
   preloadComp: InstanceType<typeof PreloadComp>;
@@ -298,6 +308,64 @@ const aggregationSiderItems = [
   }
 ];
 
+const DeviceWrapper = ({
+  deviceType,
+  deviceOrientation,
+  children,
+}: {
+  deviceType: string,
+  deviceOrientation: string,
+  children: ReactNode,
+}) => {
+  const [Wrapper, setWrapper] = useState<React.ElementType | null>(null);
+
+  useEffect(() => {
+    const loadWrapper = async () => {
+      if (deviceType === "tablet") {
+        await import('html5-device-mockups/dist/device-mockups.min.css');
+        const { IPad } = await import("react-device-mockups");
+        setWrapper(() => IPad);
+      } else if (deviceType === "mobile") {
+        await import('html5-device-mockups/dist/device-mockups.min.css');
+        const { IPhone7 } = await import("react-device-mockups");
+        setWrapper(() => IPhone7);
+      } else {
+        setWrapper(() => null);
+      }
+    };
+
+    loadWrapper();
+  }, [deviceType]);
+
+  const deviceWidth = useMemo(() => {
+    if (deviceType === 'tablet' && deviceOrientation === 'portrait') {
+      return 700;
+    }
+    if (deviceType === 'tablet' && deviceOrientation === 'landscape') {
+      return 1000;
+    }
+    if (deviceType === 'mobile' && deviceOrientation === 'portrait') {
+      return 400;
+    }
+    if (deviceType === 'mobile' && deviceOrientation === 'landscape') {
+      return 800;
+    }
+  }, [deviceType, deviceOrientation]);
+
+  if (!Wrapper) return <>{children}</>;
+
+  return (
+    <DeviceWrapperInner justify="center">
+      <Wrapper
+        orientation={deviceOrientation}
+        width={deviceWidth}
+      >
+        {children}
+      </Wrapper>
+    </DeviceWrapperInner>
+  );
+}
+
 function EditorView(props: EditorViewProps) {
   const { uiComp } = props;
   const params = useParams<AppPathParams>();
@@ -416,6 +484,24 @@ function EditorView(props: EditorViewProps) {
     uiComp,
   ]);
 
+  const uiCompViewWrapper = useMemo(() => {
+    if (isViewMode) return uiComp.getView();
+
+    return (
+      <DeviceWrapper
+        deviceType={editorState.deviceType}
+        deviceOrientation={editorState.deviceOrientation}
+      >
+        {uiComp.getView()}
+      </DeviceWrapper>
+    )
+  }, [
+    uiComp,
+    isViewMode,
+    editorState.deviceType,
+    editorState.deviceOrientation,
+  ]);
+
   // we check if we are on the public cloud
   const isLowCoderDomain = window.location.hostname === 'app.lowcoder.cloud';
   const isLocalhost = window.location.hostname === 'localhost';
@@ -455,7 +541,7 @@ function EditorView(props: EditorViewProps) {
           {!hideBodyHeader && <PreviewHeader />}
           <EditorContainerWithViewMode>
             <ViewBody $hideBodyHeader={hideBodyHeader} $height={height}>
-              {uiComp.getView()}
+              {uiCompViewWrapper}
             </ViewBody>
             <div style={{ zIndex: Layers.hooksCompContainer }}>
               {hookCompViews}

client/yarn.lock

@@ -11455,6 +11455,13 @@ coolshapes-react@lowcoder-org/coolshapes-react:
   languageName: node
   linkType: hard
 
+"html5-device-mockups@npm:^3.2.1":
+  version: 3.2.1
+  resolution: "html5-device-mockups@npm:3.2.1"
+  checksum: abba0bccc6398313102a9365203092a7c0844879d1b0492168279c516c9462d2a7e016045be565bc183e3405a1ae4929402eaceb1952abdbf16f1580afa68df3
+  languageName: node
+  linkType: hard
+
 "http-cache-semantics@npm:^4.1.1":
   version: 4.1.1
   resolution: "http-cache-semantics@npm:4.1.1"
@@ -14159,6 +14166,7 @@ coolshapes-react@lowcoder-org/coolshapes-react:
     file-saver: ^2.0.5
     github-markdown-css: ^5.1.0
     hotkeys-js: ^3.8.7
+    html5-device-mockups: ^3.2.1
     http-proxy-middleware: ^2.0.6
     immer: ^9.0.7
     less: ^4.1.3
@@ -14175,6 +14183,7 @@ coolshapes-react@lowcoder-org/coolshapes-react:
     react: ^18.2.0
     react-best-gradient-color-picker: ^3.0.10
     react-colorful: ^5.5.1
+    react-device-mockups: ^0.1.12
     react-documents: ^1.2.1
     react-dom: ^18.2.0
     react-draggable: ^4.4.4
@@ -17672,6 +17681,18 @@ coolshapes-react@lowcoder-org/coolshapes-react:
   languageName: node
   linkType: hard
 
+"react-device-mockups@npm:^0.1.12":
+  version: 0.1.12
+  resolution: "react-device-mockups@npm:0.1.12"
+  peerDependencies:
+    html5-device-mockups: ^3.2.1
+    prop-types: ^15.5.4
+    react: ^15.0.0 || ^16.0.0 || ^17.0.0
+    react-dom: ^15.0.0 || ^16.0.0 || ^17.0.0
+  checksum: 738e969802c32810c2ca3ca3bd6c9bacf9b3d7adda0569c4f5c7fb1d68bab860ac7bb5a50aa2677d852143cb30ab8520e556c4dc7f53be154fd16ca08a9ba32c
+  languageName: node
+  linkType: hard
+
 "react-documents@npm:^1.2.1":
   version: 1.2.1
   resolution: "react-documents@npm:1.2.1"