11

src/components/Canvas/FlowCanvas/manager/EventManager.ts

@@ -7,6 +7,7 @@ export class EventManager {
 		this.stateManager = options.stateManager;
 		this.vueFlow = options.vueFlow
 		this.zoom = this.stateManager.zoom
+		this._handleKeyDown = this.handleKeyDown.bind(this)
 	}
 	/** 处理视口变化 */
 	handleViewportChange(e: any) {
@@ -53,6 +54,7 @@ export class EventManager {
 		this.stateManager.deleteNode(activeNodeID, { isElMessageBox: true })
 	}
 	/** 处理键盘事件 */
+	_handleKeyDown: any
 	handleKeyDown(event: any) {
 		const activeNodeID = this.stateManager.activeNodeID.value;
 		// const shiftKey
@@ -73,12 +75,12 @@ export class EventManager {
 	/** 注册事件 */
 	registerEvents() {
 		// document.addEventListener('copy', this.handleCopy.bind(this))
-		document.addEventListener('keydown', this.handleKeyDown.bind(this))
+		document.addEventListener('keydown', this._handleKeyDown)
 	}
 	/** 删除事件 */
 	removeEvents() {
 		// document.removeEventListener('copy', this.handleCopy.bind(this))
-		document.removeEventListener('keydown', this.handleKeyDown.bind(this))
+		document.removeEventListener('keydown', this._handleKeyDown)
 	}
 	dispose() {
 		this.removeEvents()