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src/components/Canvas/DepthCanvas/manager/LayerManager.ts

@@ -0,0 +1,46 @@
+import { ref } from 'vue'
+
+export class LayerManager {
+	stateManager: any
+	canvasManager: any
+	layers: any
+	activeID: any
+	constructor(options) {
+		this.stateManager = options.stateManager;
+		this.canvasManager = options.canvasManager;
+		this.layers = ref([])
+		this.activeID = ref("")
+	}
+	setActiveID(id: string) { this.activeID.value = id }
+	getLayerByID(id) {
+		return this.layers.value.find((item: any) => item.info.id === id)
+	}
+	setLayerNameByID(id, name: string) {
+		const layer = this.getLayerByID(id)
+		if (layer) {
+			layer.info.name = name
+			this.canvasManager.renderAll()
+		}
+	}
+	setLayerVisibleByID(id, visible: boolean) {
+		const layer = this.getLayerByID(id)
+		if (layer) {
+			layer.set({
+				visible: visible
+			})
+			this.canvasManager.renderAll()
+		}
+	}
+	deleteLayerByID(id) {
+		this.canvasManager.deleteObjectById(id)
+	}
+	// 拖拽排序
+	dragSort(id, newIndex) {
+		const index = Math.abs(this.layers.value.length - newIndex - 1)
+		this.canvasManager.dragSort(id, index)
+	}
+	// 更新图层列表
+	updateLayers() {
+		this.layers.value = this.canvasManager.getObjects().reverse()
+	}
+}