Files
paseo/packages/app/src/components/explorer-sidebar.tsx
T
2026-02-04 10:35:08 +07:00

406 lines
12 KiB
TypeScript

import { useCallback, useEffect, useMemo, useRef } from "react";
import { View, Text, Pressable, Platform, useWindowDimensions } from "react-native";
import { useSafeAreaInsets } from "react-native-safe-area-context";
import Animated, {
useAnimatedStyle,
useSharedValue,
runOnJS,
} from "react-native-reanimated";
import { Gesture, GestureDetector } from "react-native-gesture-handler";
import { StyleSheet, UnistylesRuntime, useUnistyles } from "react-native-unistyles";
import { X } from "lucide-react-native";
import {
usePanelStore,
MIN_EXPLORER_SIDEBAR_WIDTH,
MAX_EXPLORER_SIDEBAR_WIDTH,
type ExplorerTab,
} from "@/stores/panel-store";
import { useExplorerSidebarAnimation } from "@/contexts/explorer-sidebar-animation-context";
import { HEADER_INNER_HEIGHT } from "@/constants/layout";
import { useCheckoutStatusQuery } from "@/hooks/use-checkout-status-query";
import { GitDiffPane } from "./git-diff-pane";
import { FileExplorerPane } from "./file-explorer-pane";
const MIN_CHAT_WIDTH = 400;
interface ExplorerSidebarProps {
serverId: string;
agentId: string;
cwd: string;
}
export function ExplorerSidebar({ serverId, agentId, cwd }: ExplorerSidebarProps) {
const { theme } = useUnistyles();
const insets = useSafeAreaInsets();
const isMobile =
UnistylesRuntime.breakpoint === "xs" || UnistylesRuntime.breakpoint === "sm";
const mobileView = usePanelStore((state) => state.mobileView);
const desktopFileExplorerOpen = usePanelStore((state) => state.desktop.fileExplorerOpen);
const closeToAgent = usePanelStore((state) => state.closeToAgent);
const explorerTab = usePanelStore((state) => state.explorerTab);
const explorerWidth = usePanelStore((state) => state.explorerWidth);
const setExplorerTab = usePanelStore((state) => state.setExplorerTab);
const setExplorerWidth = usePanelStore((state) => state.setExplorerWidth);
const { width: viewportWidth } = useWindowDimensions();
useEffect(() => {
if (isMobile) {
return;
}
const maxWidth = Math.max(
MIN_EXPLORER_SIDEBAR_WIDTH,
Math.min(MAX_EXPLORER_SIDEBAR_WIDTH, viewportWidth - MIN_CHAT_WIDTH)
);
if (explorerWidth > maxWidth) {
setExplorerWidth(maxWidth);
}
}, [explorerWidth, isMobile, setExplorerWidth, viewportWidth]);
// Derive isOpen from the unified panel state
const isOpen = isMobile ? mobileView === "file-explorer" : desktopFileExplorerOpen;
const {
translateX,
backdropOpacity,
windowWidth,
animateToOpen,
animateToClose,
isGesturing,
closeGestureRef,
} = useExplorerSidebarAnimation();
// For resize drag, track the starting width
const startWidthRef = useRef(explorerWidth);
const resizeWidth = useSharedValue(explorerWidth);
const handleClose = useCallback(() => {
closeToAgent();
}, [closeToAgent]);
const handleTabPress = useCallback(
(tab: ExplorerTab) => {
setExplorerTab(tab);
},
[setExplorerTab]
);
// Swipe gesture to close (swipe right on mobile)
const closeGesture = useMemo(
() =>
Gesture.Pan()
.withRef(closeGestureRef)
.enabled(isMobile && isOpen)
// Only activate on rightward swipe (positive X), fail on leftward or vertical
// This allows ScrollViews using waitFor to scroll left normally
.activeOffsetX(15)
.failOffsetX(-10)
.failOffsetY([-10, 10])
.onStart(() => {
isGesturing.value = true;
})
.onUpdate((event) => {
// Right sidebar: swipe right to close (positive translationX)
const newTranslateX = Math.max(0, Math.min(windowWidth, event.translationX));
translateX.value = newTranslateX;
const progress = 1 - newTranslateX / windowWidth;
backdropOpacity.value = Math.max(0, Math.min(1, progress));
})
.onEnd((event) => {
isGesturing.value = false;
const shouldClose =
event.translationX > windowWidth / 3 || event.velocityX > 500;
if (shouldClose) {
animateToClose();
runOnJS(handleClose)();
} else {
animateToOpen();
}
})
.onFinalize(() => {
isGesturing.value = false;
}),
[
isMobile,
isOpen,
windowWidth,
translateX,
backdropOpacity,
animateToOpen,
animateToClose,
handleClose,
isGesturing,
closeGestureRef,
]
);
// Desktop resize gesture (drag left edge)
const resizeGesture = useMemo(
() =>
Gesture.Pan()
.enabled(!isMobile)
.hitSlop({ left: 8, right: 8, top: 0, bottom: 0 })
.onStart(() => {
startWidthRef.current = explorerWidth;
resizeWidth.value = explorerWidth;
})
.onUpdate((event) => {
// Dragging left (negative translationX) increases width
const newWidth = startWidthRef.current - event.translationX;
const maxWidth = Math.max(
MIN_EXPLORER_SIDEBAR_WIDTH,
Math.min(MAX_EXPLORER_SIDEBAR_WIDTH, viewportWidth - MIN_CHAT_WIDTH)
);
const clampedWidth = Math.max(
MIN_EXPLORER_SIDEBAR_WIDTH,
Math.min(maxWidth, newWidth)
);
resizeWidth.value = clampedWidth;
})
.onEnd(() => {
runOnJS(setExplorerWidth)(resizeWidth.value);
}),
[isMobile, explorerWidth, resizeWidth, setExplorerWidth, viewportWidth]
);
const sidebarAnimatedStyle = useAnimatedStyle(() => ({
transform: [{ translateX: translateX.value }],
}));
const backdropAnimatedStyle = useAnimatedStyle(() => ({
opacity: backdropOpacity.value,
pointerEvents: backdropOpacity.value > 0.01 ? "auto" : "none",
}));
const resizeAnimatedStyle = useAnimatedStyle(() => ({
width: resizeWidth.value,
}));
// Mobile: full-screen overlay with gesture
const overlayPointerEvents = Platform.OS === "web" ? "auto" : "box-none";
if (isMobile) {
return (
<View style={StyleSheet.absoluteFillObject} pointerEvents={overlayPointerEvents}>
{/* Backdrop */}
<Animated.View style={[styles.backdrop, backdropAnimatedStyle]}>
<Pressable style={styles.backdropPressable} onPress={handleClose} />
</Animated.View>
<GestureDetector gesture={closeGesture} touchAction="pan-y">
<Animated.View
style={[
styles.mobileSidebar,
{ width: windowWidth, paddingTop: insets.top, paddingBottom: insets.bottom },
sidebarAnimatedStyle,
]}
pointerEvents="auto"
>
<SidebarContent
activeTab={explorerTab}
onTabPress={handleTabPress}
onClose={handleClose}
serverId={serverId}
agentId={agentId}
cwd={cwd}
isMobile={isMobile}
/>
</Animated.View>
</GestureDetector>
</View>
);
}
// Desktop: fixed width sidebar with resize handle
if (!isOpen) {
return null;
}
return (
<Animated.View style={[styles.desktopSidebar, resizeAnimatedStyle]}>
{/* Resize handle - absolutely positioned over left border */}
<GestureDetector gesture={resizeGesture}>
<View
style={[
styles.resizeHandle,
Platform.OS === "web" && ({ cursor: "col-resize" } as any),
]}
/>
</GestureDetector>
<SidebarContent
activeTab={explorerTab}
onTabPress={handleTabPress}
onClose={handleClose}
serverId={serverId}
agentId={agentId}
cwd={cwd}
isMobile={false}
/>
</Animated.View>
);
}
interface SidebarContentProps {
activeTab: ExplorerTab;
onTabPress: (tab: ExplorerTab) => void;
onClose: () => void;
serverId: string;
agentId: string;
cwd: string;
isMobile: boolean;
}
function SidebarContent({
activeTab,
onTabPress,
onClose,
serverId,
agentId,
cwd,
isMobile,
}: SidebarContentProps) {
const { theme } = useUnistyles();
const { status } = useCheckoutStatusQuery({ serverId, cwd });
const isGit = status?.isGit ?? false;
// If not a git repo, only show files tab
const effectiveTab = isGit ? activeTab : "files";
return (
<View style={styles.sidebarContent} pointerEvents="auto">
{/* Header with tabs and close button */}
<View style={styles.header} testID="explorer-header">
<View style={styles.tabsContainer}>
{isGit ? (
<Pressable
style={[styles.tab, effectiveTab === "changes" && styles.tabActive]}
onPress={() => onTabPress("changes")}
>
<Text
style={[
styles.tabText,
effectiveTab === "changes" && styles.tabTextActive,
]}
>
Changes
</Text>
</Pressable>
) : null}
<Pressable
style={[styles.tab, effectiveTab === "files" && styles.tabActive]}
onPress={() => onTabPress("files")}
>
<Text
style={[
styles.tabText,
effectiveTab === "files" && styles.tabTextActive,
]}
>
Files
</Text>
</Pressable>
</View>
<View style={styles.headerRightSection}>
{isMobile && (
<Pressable onPress={onClose} style={styles.closeButton}>
<X size={18} color={theme.colors.foregroundMuted} />
</Pressable>
)}
</View>
</View>
{/* Content based on active tab */}
<View style={styles.contentArea} testID="explorer-content-area">
{effectiveTab === "changes" && (
<GitDiffPane serverId={serverId} agentId={agentId} cwd={cwd} />
)}
{effectiveTab === "files" && (
<FileExplorerPane serverId={serverId} agentId={agentId} />
)}
</View>
</View>
);
}
const styles = StyleSheet.create((theme) => ({
backdrop: {
...StyleSheet.absoluteFillObject,
backgroundColor: "rgba(0, 0, 0, 0.5)",
},
backdropPressable: {
flex: 1,
},
mobileSidebar: {
position: "absolute",
top: 0,
right: 0,
bottom: 0,
backgroundColor: theme.colors.surface0,
overflow: "hidden",
},
desktopSidebar: {
position: "relative",
borderLeftWidth: 1,
borderLeftColor: theme.colors.border,
backgroundColor: theme.colors.surface0,
},
resizeHandle: {
position: "absolute",
left: -5,
top: 0,
bottom: 0,
width: 10,
zIndex: 10,
},
sidebarContent: {
flex: 1,
minHeight: 0,
overflow: "hidden",
},
header: {
height: HEADER_INNER_HEIGHT,
flexDirection: "row",
alignItems: "center",
justifyContent: "space-between",
paddingHorizontal: theme.spacing[2],
borderBottomWidth: 1,
borderBottomColor: theme.colors.border,
},
tabsContainer: {
flexDirection: "row",
gap: theme.spacing[1],
},
tab: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[2],
paddingVertical: theme.spacing[2],
paddingHorizontal: theme.spacing[3],
borderRadius: theme.borderRadius.md,
},
tabActive: {
backgroundColor: theme.colors.surface2,
},
tabText: {
fontSize: theme.fontSize.sm,
fontWeight: theme.fontWeight.normal,
color: theme.colors.foregroundMuted,
},
tabTextActive: {
color: theme.colors.foreground,
},
headerRightSection: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[2],
},
closeButton: {
padding: theme.spacing[2],
borderRadius: theme.borderRadius.md,
},
contentArea: {
flex: 1,
minHeight: 0,
},
}));