zoom control

This commit is contained in:
hamid zarghami
2025-12-31 10:13:55 +03:30
parent 7dddac490d
commit efcb9cf6d2
3 changed files with 125 additions and 5 deletions
+10 -5
View File
@@ -6,6 +6,7 @@ import { useDrawingHandlers } from "./canvas/useDrawingHandlers";
import { useStageSize } from "./canvas/useStageSize";
import ObjectRenderer from "./canvas/ObjectRenderer";
import CellEditor from "@/components/CellEditor";
import ZoomControls from "./ZoomControls";
const EditorCanvas = () => {
const stageRef = useRef<Konva.Stage>(null);
@@ -26,6 +27,7 @@ const EditorCanvas = () => {
applyTableResize,
setStageRef,
setLayerRef,
zoom,
} = useEditorStore();
const { transformerRef, handleStageMouseDown, handleStageMouseMove, handleStageMouseUp } = useDrawingHandlers();
@@ -150,15 +152,17 @@ const EditorCanvas = () => {
};
}, [selectedObjectId, objects, transformerRef, applyTableResize, updateObject]);
const finalScale = stageSize.scale * zoom;
return (
<div className="flex-1 flex items-center justify-center bg-gray-100 pb-8 overflow-auto">
<div className="flex-1 flex items-center justify-center pb-8 overflow-auto relative">
<div className="shadow-lg mt-8">
<Stage
ref={stageRef}
width={stageSize.width * stageSize.scale}
height={stageSize.height * stageSize.scale}
scaleX={stageSize.scale}
scaleY={stageSize.scale}
width={stageSize.width * finalScale}
height={stageSize.height * finalScale}
scaleX={finalScale}
scaleY={finalScale}
onMouseDown={handleStageMouseDown}
onMouseMove={handleStageMouseMove}
onMouseUp={handleStageMouseUp}
@@ -241,6 +245,7 @@ const EditorCanvas = () => {
/>
);
})()}
<ZoomControls />
</div>
);
};
@@ -0,0 +1,99 @@
import { useState, useRef, useEffect, useCallback } from "react";
import { Add, Minus, Grid8 } from "iconsax-react";
import { useEditorStore } from "../store/editorStore";
const ZoomControls = () => {
const { zoom, setZoom, zoomIn, zoomOut } = useEditorStore();
const sliderRef = useRef<HTMLDivElement>(null);
const [isDragging, setIsDragging] = useState(false);
const MIN_ZOOM = 0.5;
const MAX_ZOOM = 2;
const SLIDER_WIDTH = 80;
const sliderPosition = ((zoom - MIN_ZOOM) / (MAX_ZOOM - MIN_ZOOM)) * SLIDER_WIDTH;
const updateZoomFromPosition = useCallback((clientX: number) => {
if (!sliderRef.current) return;
const trackElement = sliderRef.current.querySelector('.slider-track') as HTMLElement;
if (!trackElement) return;
const rect = trackElement.getBoundingClientRect();
const x = clientX - rect.left;
const clampedX = Math.max(0, Math.min(SLIDER_WIDTH, x));
const newZoom = MIN_ZOOM + (clampedX / SLIDER_WIDTH) * (MAX_ZOOM - MIN_ZOOM);
setZoom(newZoom);
}, [setZoom]);
const handleSliderMouseDown = (e: React.MouseEvent) => {
setIsDragging(true);
updateZoomFromPosition(e.clientX);
};
const handleMouseMove = useCallback((e: MouseEvent) => {
if (isDragging) {
updateZoomFromPosition(e.clientX);
}
}, [isDragging, updateZoomFromPosition]);
const handleMouseUp = useCallback(() => {
setIsDragging(false);
}, []);
useEffect(() => {
if (isDragging) {
window.addEventListener("mousemove", handleMouseMove);
window.addEventListener("mouseup", handleMouseUp);
return () => {
window.removeEventListener("mousemove", handleMouseMove);
window.removeEventListener("mouseup", handleMouseUp);
};
}
}, [isDragging, handleMouseMove, handleMouseUp]);
return (
<div className="fixed left-8 bottom-0 -translate-y-1/2 bg-white/30 rounded-full px-4 py-2.5 shadow-lg flex items-center gap-3 z-50">
<button
className="w-8 h-8 flex items-center justify-center rounded-full hover:bg-gray-100 transition-colors"
title="نمایش گرید"
>
<Grid8 size={18} color="black" variant="Outline" />
</button>
<button
onClick={zoomOut}
className="w-8 h-8 flex items-center justify-center rounded-full hover:bg-gray-100 transition-colors"
title="کوچک‌نمایی"
>
<Minus size={18} color="black" />
</button>
<div
ref={sliderRef}
className="relative flex items-center cursor-pointer"
onMouseDown={handleSliderMouseDown}
>
<div className="slider-track w-20 h-0.5 bg-gray-300 relative">
<div
className={`absolute top-1/2 -translate-y-1/2 -translate-x-1/2 w-1.5 h-1.5 rounded-full bg-black cursor-pointer ${!isDragging ? 'transition-all' : ''}`}
style={{ left: `${sliderPosition}px` }}
/>
</div>
</div>
<button
onClick={zoomIn}
className="w-8 h-8 flex items-center justify-center rounded-full hover:bg-gray-100 transition-colors"
title="بزرگ‌نمایی"
>
<Add size={18} color="black" />
</button>
<div className="text-sm font-medium text-black">1/1</div>
</div>
);
};
export default ZoomControls;
+16
View File
@@ -88,6 +88,10 @@ type EditorStoreType = {
setStageRef: (ref: React.RefObject<Konva.Stage | null>) => void;
layerRef: React.RefObject<Konva.Layer | null> | null;
setLayerRef: (ref: React.RefObject<Konva.Layer | null>) => void;
zoom: number;
setZoom: (zoom: number) => void;
zoomIn: () => void;
zoomOut: () => void;
};
const createTableCellId = (row: number, col: number) => `cell-${row}-${col}`;
@@ -350,4 +354,16 @@ export const useEditorStore = create<EditorStoreType>((set, get) => ({
setStageRef: (ref) => set({ stageRef: ref }),
layerRef: null,
setLayerRef: (ref) => set({ layerRef: ref }),
zoom: 1,
setZoom: (zoom) => set({ zoom }),
zoomIn: () => {
const state = get();
const newZoom = Math.min(state.zoom + 0.1, 2);
set({ zoom: newZoom });
},
zoomOut: () => {
const state = get();
const newZoom = Math.max(state.zoom - 0.1, 0.5);
set({ zoom: newZoom });
},
}));