Merge pull request #550 from wonderwhy-er/pr-549

app/components/workbench/Preview.tsx

@@ -4,11 +4,16 @@ import { IconButton } from '~/components/ui/IconButton';
 import { workbenchStore } from '~/lib/stores/workbench';
 import { PortDropdown } from './PortDropdown';
 
+type ResizeSide = 'left' | 'right' | null;
+
 export const Preview = memo(() => {
   const iframeRef = useRef<HTMLIFrameElement>(null);
+  const containerRef = useRef<HTMLDivElement>(null);
   const inputRef = useRef<HTMLInputElement>(null);
+
   const [activePreviewIndex, setActivePreviewIndex] = useState(0);
   const [isPortDropdownOpen, setIsPortDropdownOpen] = useState(false);
+  const [isFullscreen, setIsFullscreen] = useState(false);
   const hasSelectedPreview = useRef(false);
   const previews = useStore(workbenchStore.previews);
   const activePreview = previews[activePreviewIndex];
@@ -16,6 +21,23 @@ export const Preview = memo(() => {
   const [url, setUrl] = useState('');
   const [iframeUrl, setIframeUrl] = useState<string | undefined>();
 
+  // Toggle between responsive mode and device mode
+  const [isDeviceModeOn, setIsDeviceModeOn] = useState(false);
+
+  // Use percentage for width
+  const [widthPercent, setWidthPercent] = useState<number>(37.5); // 375px assuming 1000px window width initially
+
+  const resizingState = useRef({
+    isResizing: false,
+    side: null as ResizeSide,
+    startX: 0,
+    startWidthPercent: 37.5,
+    windowWidth: window.innerWidth,
+  });
+
+  // Define the scaling factor
+  const SCALING_FACTOR = 2; // Adjust this value to increase/decrease sensitivity
+
   useEffect(() => {
     if (!activePreview) {
       setUrl('');
@@ -25,10 +47,9 @@ export const Preview = memo(() => {
     }
 
     const { baseUrl } = activePreview;
-
     setUrl(baseUrl);
     setIframeUrl(baseUrl);
-  }, [activePreview, iframeUrl]);
+  }, [activePreview]);
 
   const validateUrl = useCallback(
     (value: string) => {
@@ -56,14 +77,13 @@ export const Preview = memo(() => {
     [],
   );
 
-  // when previews change, display the lowest port if user hasn't selected a preview
+  // When previews change, display the lowest port if user hasn't selected a preview
   useEffect(() => {
     if (previews.length > 1 && !hasSelectedPreview.current) {
       const minPortIndex = previews.reduce(findMinPortIndex, 0);
-
       setActivePreviewIndex(minPortIndex);
     }
-  }, [previews]);
+  }, [previews, findMinPortIndex]);
 
   const reloadPreview = () => {
     if (iframeRef.current) {
@@ -71,13 +91,134 @@ export const Preview = memo(() => {
     }
   };
 
+  const toggleFullscreen = async () => {
+    if (!isFullscreen && containerRef.current) {
+      await containerRef.current.requestFullscreen();
+    } else if (document.fullscreenElement) {
+      await document.exitFullscreen();
+    }
+  };
+
+  useEffect(() => {
+    const handleFullscreenChange = () => {
+      setIsFullscreen(!!document.fullscreenElement);
+    };
+
+    document.addEventListener('fullscreenchange', handleFullscreenChange);
+
+    return () => {
+      document.removeEventListener('fullscreenchange', handleFullscreenChange);
+    };
+  }, []);
+
+  const toggleDeviceMode = () => {
+    setIsDeviceModeOn((prev) => !prev);
+  };
+
+  const startResizing = (e: React.MouseEvent, side: ResizeSide) => {
+    if (!isDeviceModeOn) {
+      return;
+    }
+
+    // Prevent text selection
+    document.body.style.userSelect = 'none';
+
+    resizingState.current.isResizing = true;
+    resizingState.current.side = side;
+    resizingState.current.startX = e.clientX;
+    resizingState.current.startWidthPercent = widthPercent;
+    resizingState.current.windowWidth = window.innerWidth;
+
+    document.addEventListener('mousemove', onMouseMove);
+    document.addEventListener('mouseup', onMouseUp);
+
+    e.preventDefault(); // Prevent any text selection on mousedown
+  };
+
+  const onMouseMove = (e: MouseEvent) => {
+    if (!resizingState.current.isResizing) {
+      return;
+    }
+
+    const dx = e.clientX - resizingState.current.startX;
+    const windowWidth = resizingState.current.windowWidth;
+
+    // Apply scaling factor to increase sensitivity
+    const dxPercent = (dx / windowWidth) * 100 * SCALING_FACTOR;
+
+    let newWidthPercent = resizingState.current.startWidthPercent;
+
+    if (resizingState.current.side === 'right') {
+      newWidthPercent = resizingState.current.startWidthPercent + dxPercent;
+    } else if (resizingState.current.side === 'left') {
+      newWidthPercent = resizingState.current.startWidthPercent - dxPercent;
+    }
+
+    // Clamp the width between 10% and 90%
+    newWidthPercent = Math.max(10, Math.min(newWidthPercent, 90));
+
+    setWidthPercent(newWidthPercent);
+  };
+
+  const onMouseUp = () => {
+    resizingState.current.isResizing = false;
+    resizingState.current.side = null;
+    document.removeEventListener('mousemove', onMouseMove);
+    document.removeEventListener('mouseup', onMouseUp);
+
+    // Restore text selection
+    document.body.style.userSelect = '';
+  };
+
+  // Handle window resize to ensure widthPercent remains valid
+  useEffect(() => {
+    const handleWindowResize = () => {
+      /*
+       * Optional: Adjust widthPercent if necessary
+       * For now, since widthPercent is relative, no action is needed
+       */
+    };
+
+    window.addEventListener('resize', handleWindowResize);
+
+    return () => {
+      window.removeEventListener('resize', handleWindowResize);
+    };
+  }, []);
+
+  // A small helper component for the handle's "grip" icon
+  const GripIcon = () => (
+    <div
+      style={{
+        display: 'flex',
+        justifyContent: 'center',
+        alignItems: 'center',
+        height: '100%',
+        pointerEvents: 'none',
+      }}
+    >
+      <div
+        style={{
+          color: 'rgba(0,0,0,0.5)',
+          fontSize: '10px',
+          lineHeight: '5px',
+          userSelect: 'none',
+          marginLeft: '1px',
+        }}
+      >
+        ••• •••
+      </div>
+    </div>
+  );
+
   return (
-    <div className="w-full h-full flex flex-col">
+    <div ref={containerRef} className="w-full h-full flex flex-col relative">
       {isPortDropdownOpen && (
         <div className="z-iframe-overlay w-full h-full absolute" onClick={() => setIsPortDropdownOpen(false)} />
       )}
       <div className="bg-bolt-elements-background-depth-2 p-2 flex items-center gap-1.5">
         <IconButton icon="i-ph:arrow-clockwise" onClick={reloadPreview} />
+
         <div
           className="flex items-center gap-1 flex-grow bg-bolt-elements-preview-addressBar-background border border-bolt-elements-borderColor text-bolt-elements-preview-addressBar-text rounded-full px-3 py-1 text-sm hover:bg-bolt-elements-preview-addressBar-backgroundHover hover:focus-within:bg-bolt-elements-preview-addressBar-backgroundActive focus-within:bg-bolt-elements-preview-addressBar-backgroundActive
         focus-within-border-bolt-elements-borderColorActive focus-within:text-bolt-elements-preview-addressBar-textActive"
@@ -101,6 +242,7 @@ export const Preview = memo(() => {
             }}
           />
         </div>
+
         {previews.length > 1 && (
           <PortDropdown
             activePreviewIndex={activePreviewIndex}
@@ -111,13 +253,93 @@ export const Preview = memo(() => {
             previews={previews}
           />
         )}
+
+        {/* Device mode toggle button */}
+        <IconButton
+          icon="i-ph:devices"
+          onClick={toggleDeviceMode}
+          title={isDeviceModeOn ? 'Switch to Responsive Mode' : 'Switch to Device Mode'}
+        />
+
+        {/* Fullscreen toggle button */}
+        <IconButton
+          icon={isFullscreen ? 'i-ph:arrows-in' : 'i-ph:arrows-out'}
+          onClick={toggleFullscreen}
+          title={isFullscreen ? 'Exit Full Screen' : 'Full Screen'}
+        />
       </div>
-      <div className="flex-1 border-t border-bolt-elements-borderColor">
-        {activePreview ? (
-          <iframe ref={iframeRef} className="border-none w-full h-full bg-white" src={iframeUrl} />
-        ) : (
-          <div className="flex w-full h-full justify-center items-center bg-white">No preview available</div>
-        )}
+
+      <div className="flex-1 border-t border-bolt-elements-borderColor flex justify-center items-center overflow-auto">
+        <div
+          style={{
+            width: isDeviceModeOn ? `${widthPercent}%` : '100%',
+            height: '100%', // Always full height
+            overflow: 'visible',
+            background: '#fff',
+            position: 'relative',
+            display: 'flex',
+          }}
+        >
+          {activePreview ? (
+            <iframe ref={iframeRef} className="border-none w-full h-full bg-white" src={iframeUrl} allowFullScreen />
+          ) : (
+            <div className="flex w-full h-full justify-center items-center bg-white">No preview available</div>
+          )}
+
+          {isDeviceModeOn && (
+            <>
+              {/* Left handle */}
+              <div
+                onMouseDown={(e) => startResizing(e, 'left')}
+                style={{
+                  position: 'absolute',
+                  top: 0,
+                  left: 0,
+                  width: '15px',
+                  marginLeft: '-15px',
+                  height: '100%',
+                  cursor: 'ew-resize',
+                  background: 'rgba(255,255,255,.2)',
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  transition: 'background 0.2s',
+                  userSelect: 'none',
+                }}
+                onMouseOver={(e) => (e.currentTarget.style.background = 'rgba(255,255,255,.5)')}
+                onMouseOut={(e) => (e.currentTarget.style.background = 'rgba(255,255,255,.2)')}
+                title="Drag to resize width"
+              >
+                <GripIcon />
+              </div>
+
+              {/* Right handle */}
+              <div
+                onMouseDown={(e) => startResizing(e, 'right')}
+                style={{
+                  position: 'absolute',
+                  top: 0,
+                  right: 0,
+                  width: '15px',
+                  marginRight: '-15px',
+                  height: '100%',
+                  cursor: 'ew-resize',
+                  background: 'rgba(255,255,255,.2)',
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  transition: 'background 0.2s',
+                  userSelect: 'none',
+                }}
+                onMouseOver={(e) => (e.currentTarget.style.background = 'rgba(255,255,255,.5)')}
+                onMouseOut={(e) => (e.currentTarget.style.background = 'rgba(255,255,255,.2)')}
+                title="Drag to resize width"
+              >
+                <GripIcon />
+              </div>
+            </>
+          )}
+        </div>
       </div>
     </div>
   );