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src/components/Canvas/FlowCanvas/index.vue

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+<template>
+	<fullscreen-dialog v-model="dialogVisible">
+		<div class="flow-canvas">
+			<div
+				class="canvas-main"
+				ref="canvasMain"
+				@mousedown="onMouseDown"
+				@wheel="onMouseWheel"
+			>
+				<div
+					class="canvas-content"
+					:style="{
+						top: `${data.y}px`,
+						left: `${data.x}px`,
+						transform: `scale(${data.scale})`
+					}"
+				>
+					<card type="to-real-style" />
+					<card type="scene-composition" />
+					<card type="color-palette" />
+					<card type="to-video" />
+					<card type="to-3d-model" />
+					<card type="to-cad" />
+					<card type="add-print" />
+					<card type="edit-material" />
+				</div>
+			</div>
+		</div>
+	</fullscreen-dialog>
+</template>
+
+<script setup lang="ts">
+	import FullscreenDialog from '../components/fullscreen-dialog.vue'
+	import MyInfo from '@/components/MyInfo.vue'
+	import card from './components/cards/index.vue'
+	import { computed, ref, markRaw, onMounted, reactive } from 'vue'
+	import { useGlobalStore } from '@/stores'
+	const globalStore = useGlobalStore()
+	const dialogVisible = ref(true)
+	window.dialogVisible = dialogVisible
+	const data = reactive({
+		x: 100,
+		y: 200,
+		scale: 1
+	})
+	const canvasMain = ref<HTMLDivElement>()
+	const onMouseDown = (e: MouseEvent) => {
+		if (e.button !== 1) return
+		const ox = data.x
+		const oy = data.y
+		const X = e.clientX
+		const Y = e.clientY
+		const onMouseMove = (e: MouseEvent) => {
+			const dx = e.clientX - X
+			const dy = e.clientY - Y
+			data.x = ox + dx
+			data.y = oy + dy
+		}
+		const onMouseUp = (e: MouseEvent) => {
+			document.removeEventListener('mousemove', onMouseMove)
+			document.removeEventListener('mouseup', onMouseUp)
+		}
+		document.addEventListener('mousemove', onMouseMove)
+		document.addEventListener('mouseup', onMouseUp)
+	}
+	const onMouseWheel = (e: WheelEvent) => {
+		var delta = e.deltaY
+		var scale = data.scale - delta / 1000
+		if (scale < 0.2) scale = 0.2
+		if (scale > 10) scale = 10
+		data.scale = scale
+	}
+	onMounted(() => {
+		globalStore.setHomeLeftNavCollapse(true)
+	})
+</script>
+
+<style lang="less" scoped>
+	.flow-canvas {
+		width: 100%;
+		height: 100%;
+		background-color: #fcf8f1;
+		position: relative;
+		overflow: hidden;
+		> .canvas-main {
+			width: 100%;
+			height: 100%;
+			position: relative;
+			> .canvas-content {
+				position: absolute;
+				width: auto;
+				height: auto;
+				display: flex;
+				align-items: flex-start;
+				gap: 5rem;
+				transform-origin: top left;
+			}
+		}
+	}
+</style>