panels

2025-11-12 02:24:46 +01:00
parent 44c982f015
commit 32ef3ced59
12 changed files with 700 additions and 31 deletions
@@ -26,6 +26,77 @@ import BreadcrumbTrail from '../ui/BreadcrumbTrail';
 import { useAssetNavigator } from '../hooks/useAssetNavigator';
 import DocumentViewerLayout from './DocumentViewerLayout';
 import useViewerLayoutMode from './useViewerLayoutMode';
+import { useSidebarContext } from '../sidebar/SidebarContext';
+
+const DETAIL_PANEL_WIDTH_STORAGE_KEY = 'detailPanelWidth';
+const MIN_DETAIL_PANEL_WIDTH = 320;
+const MAX_DETAIL_PANEL_WIDTH = 960;
+
+const isBrowser = typeof window !== 'undefined';
+const isDocumentAvailable = typeof document !== 'undefined';
+
+const getDetailPanelBounds = () => {
+  if (!isBrowser) {
+    return {
+      min: MIN_DETAIL_PANEL_WIDTH,
+      max: MAX_DETAIL_PANEL_WIDTH,
+    };
+  }
+  const viewportWidth = Math.max(window.innerWidth, 1);
+  const minFractionWidth = viewportWidth / 5;
+  const maxFractionWidth = viewportWidth * 0.75;
+  const rawMin = Math.max(MIN_DETAIL_PANEL_WIDTH, minFractionWidth);
+  const rawMax = Math.min(MAX_DETAIL_PANEL_WIDTH, maxFractionWidth);
+  if (rawMin >= rawMax) {
+    const fallback = Math.min(Math.max(rawMin, viewportWidth * 0.5), MAX_DETAIL_PANEL_WIDTH);
+    return { min: fallback, max: fallback };
+  }
+  return {
+    min: rawMin,
+    max: rawMax,
+  };
+};
+
+const clampDetailPanelWidth = (value) => {
+  if (!Number.isFinite(value) || value <= 0) {
+    return null;
+  }
+  const { min, max } = getDetailPanelBounds();
+  return Math.min(Math.max(value, min), max);
+};
+
+const loadStoredDetailPanelWidth = () => {
+  if (!isBrowser) {
+    return null;
+  }
+  try {
+    const raw = window.localStorage?.getItem(DETAIL_PANEL_WIDTH_STORAGE_KEY);
+    if (!raw) {
+      return null;
+    }
+    const parsed = parseInt(raw, 10);
+    return Number.isFinite(parsed) ? parsed : null;
+  } catch (error) {
+    console.warn('Failed to read detail panel width', error);
+    return null;
+  }
+};
+
+const applyDetailPanelWidth = (width) => {
+  if (!isDocumentAvailable || width == null) {
+    return;
+  }
+  document.documentElement.style.setProperty('--detail-panel-width', `${width}px`);
+};
+
+const getSidebarWidthFromRoot = () => {
+  if (!isBrowser || !isDocumentAvailable) {
+    return null;
+  }
+  const computed = window.getComputedStyle(document.documentElement);
+  const parsed = parseFloat(computed.getPropertyValue('--sidebar-width'));
+  return Number.isFinite(parsed) ? parsed : null;
+};

 export const createDocumentViewerHeaderActions = ({
  document,
@@ -99,6 +170,7 @@ const DocumentViewerPanel = ({
 }) => {
  const navigate = useNavigate();
  const isSidebarVariant = variant === 'sidebar';
+  const { setSidebarSuppressed } = useSidebarContext();
  const sortedCorrespondents = useMemo(
    () => sortCorrespondents(document?.correspondents || []),
    [document],
@@ -239,6 +311,174 @@ const DocumentViewerPanel = ({

  const panelRef = useRef(null);
  const isStackedLayout = useViewerLayoutMode(panelRef, document?.id);
+  const pendingWidthRef = useRef(null);
+  const [isResizingPanel, setIsResizingPanel] = useState(false);
+  const [detailPanelWidth, setDetailPanelWidth] = useState(() => {
+    if (!isBrowser) {
+      return null;
+    }
+    const stored = loadStoredDetailPanelWidth();
+    return stored != null ? clampDetailPanelWidth(stored) : null;
+  });
+
+  useEffect(() => {
+    if (detailPanelWidth != null) {
+      const clamped = clampDetailPanelWidth(detailPanelWidth);
+      if (clamped != null) {
+        applyDetailPanelWidth(clamped);
+      }
+    }
+  }, [detailPanelWidth]);
+
+  useEffect(() => {
+    if (!isSidebarVariant) {
+      setSidebarSuppressed(false);
+      return undefined;
+    }
+    const updateSuppression = () => {
+      if (!isBrowser) {
+        setSidebarSuppressed(false);
+        return;
+      }
+      const panelWidth = pendingWidthRef.current
+        ?? detailPanelWidth
+        ?? panelRef.current?.getBoundingClientRect().width;
+      const sidebarWidth = getSidebarWidthFromRoot();
+      if (!Number.isFinite(panelWidth)) {
+        setSidebarSuppressed(false);
+        return;
+      }
+      const minMainContentWidth = (window.innerWidth * 2) / 5;
+      const occupiedWidth = panelWidth + (Number.isFinite(sidebarWidth) ? sidebarWidth : 0);
+      const availableWidth = window.innerWidth - occupiedWidth;
+      setSidebarSuppressed(availableWidth < minMainContentWidth);
+    };
+
+    updateSuppression();
+    const handleWindowResize = () => updateSuppression();
+    window.addEventListener('resize', handleWindowResize);
+    return () => {
+      window.removeEventListener('resize', handleWindowResize);
+    };
+  }, [isSidebarVariant, detailPanelWidth, setSidebarSuppressed]);
+
+  useEffect(() => {
+    if (!isSidebarVariant) {
+      setSidebarSuppressed(false);
+    }
+  }, [isSidebarVariant, setSidebarSuppressed]);
+
+  useEffect(() => {
+    if (!isBrowser) {
+      return undefined;
+    }
+    const handleResize = () => {
+      setDetailPanelWidth((prev) => {
+        if (prev == null) {
+          return prev;
+        }
+        const clamped = clampDetailPanelWidth(prev);
+        if (clamped != null && clamped !== prev) {
+          applyDetailPanelWidth(clamped);
+          try {
+            window.localStorage?.setItem(DETAIL_PANEL_WIDTH_STORAGE_KEY, String(Math.round(clamped)));
+          } catch (error) {
+            console.warn('Failed to persist detail panel width', error);
+          }
+          return clamped;
+        }
+        return prev;
+      });
+    };
+    window.addEventListener('resize', handleResize);
+    return () => window.removeEventListener('resize', handleResize);
+  }, []);
+
+  const handleResizePointerDown = useCallback((event) => {
+    if (!isSidebarVariant || !panelRef.current || !isBrowser) {
+      return;
+    }
+    event.preventDefault();
+    event.stopPropagation();
+    const pointerId = event.pointerId;
+    const target = event.currentTarget;
+    target.setPointerCapture?.(pointerId);
+    setIsResizingPanel(true);
+
+    const rect = panelRef.current.getBoundingClientRect();
+    const startWidth = rect.width;
+    const startX = event.clientX;
+
+    const updateWidth = (nextWidth) => {
+      const clamped = clampDetailPanelWidth(nextWidth);
+      if (clamped != null) {
+        pendingWidthRef.current = clamped;
+        applyDetailPanelWidth(clamped);
+        if (isSidebarVariant && isBrowser) {
+          setSidebarSuppressed(clamped > window.innerWidth / 2);
+        }
+      }
+    };
+
+    const handlePointerMove = (moveEvent) => {
+      if (moveEvent.pointerId !== pointerId) {
+        return;
+      }
+      const delta = startX - moveEvent.clientX;
+      updateWidth(startWidth + delta);
+    };
+
+    const handlePointerUp = (upEvent) => {
+      if (upEvent.pointerId !== pointerId) {
+        return;
+      }
+      target.releasePointerCapture?.(pointerId);
+      window.removeEventListener('pointermove', handlePointerMove);
+      window.removeEventListener('pointerup', handlePointerUp);
+      setIsResizingPanel(false);
+      if (pendingWidthRef.current != null) {
+        const finalizedWidth = pendingWidthRef.current;
+        pendingWidthRef.current = null;
+        setDetailPanelWidth(finalizedWidth);
+        try {
+          window.localStorage?.setItem(DETAIL_PANEL_WIDTH_STORAGE_KEY, String(Math.round(finalizedWidth)));
+        } catch (error) {
+          console.warn('Failed to persist detail panel width', error);
+        }
+      }
+    };
+
+    window.addEventListener('pointermove', handlePointerMove);
+    window.addEventListener('pointerup', handlePointerUp);
+  }, [isSidebarVariant, setSidebarSuppressed]);
+
+  const handleResizeKeyDown = useCallback((event) => {
+    if (!isSidebarVariant || !isBrowser) {
+      return;
+    }
+    if (event.key !== 'ArrowLeft' && event.key !== 'ArrowRight') {
+      return;
+    }
+    const baseWidth = pendingWidthRef.current
+      ?? detailPanelWidth
+      ?? panelRef.current?.getBoundingClientRect().width;
+    if (!Number.isFinite(baseWidth)) {
+      return;
+    }
+    event.preventDefault();
+    const step = event.shiftKey ? 40 : 20;
+    const delta = event.key === 'ArrowLeft' ? step : -step;
+    const nextWidth = clampDetailPanelWidth(baseWidth + delta);
+    if (nextWidth == null) {
+      return;
+    }
+    setDetailPanelWidth(nextWidth);
+    try {
+      window.localStorage?.setItem(DETAIL_PANEL_WIDTH_STORAGE_KEY, String(Math.round(nextWidth)));
+    } catch (error) {
+      console.warn('Failed to persist detail panel width', error);
+    }
+  }, [detailPanelWidth, isSidebarVariant]);

  const viewerClassName = isStackedLayout
    ? 'document-viewer document-viewer--stacked'
@@ -403,6 +643,18 @@ const DocumentViewerPanel = ({
      )
    : null;

+  const resizeHandle = isSidebarVariant ? (
+    <button
+      type="button"
+      className={`detail-panel__resize-handle${isResizingPanel ? ' is-active' : ''}`}
+      aria-label="Resize detail panel"
+      onPointerDown={handleResizePointerDown}
+      onKeyDown={handleResizeKeyDown}
+    >
+      <span aria-hidden="true" />
+    </button>
+  ) : null;
+
  const loadingSection = (
    <div className="document-viewer-panel__body">
      <section className="document-viewer document-viewer--loading">
@@ -460,7 +712,8 @@ const DocumentViewerPanel = ({
  if (isSidebarVariant) {
    return (
      <>
-        <aside className="detail-panel panel" ref={panelRef}>
+        <aside className={`detail-panel panel${isResizingPanel ? ' detail-panel--resizing' : ''}`} ref={panelRef}>
+          {resizeHandle}
          <PanelHeader
            leading={headerLeadingContent}
            title={headerTitle}