this.$emit('node-click', data, node, instance )"
@node-contextmenu="(event, data , node, instance) => this.$emit('node-contextmenu', event,data , node, instance)"
@check-change="(data, isSelected, hasLeafSelected)=> this.$emit('check-change', data, isSelected, hasLeafSelected)"
@check="(data, status) => this.$emit('check', data, status)"
@current-change="(data, node) => this.$emit('current-change', data, node)"
@node-expand="(data, node, instance ) => this.$emit('node-expand', data, node, instance )"
@node-collapse="(data, node, instance ) => this.$emit('node-collapse', data, node, instance )"
@node-drag-start="(Node, event) => this.$emit('node-drag-start', Node, event)"
@node-drag-enter="(Node, node, event) => this.$emit('node-drag-enter', Node, node, event)"
@node-drag-leave="(Node, node, event) => this.$emit('node-drag-leave', Node, node, event)"
@node-drag-over="(Node, node, event) => this.$emit('node-drag-over', Node, node, event)"
@node-drag-end="(Node, node,position, event) => this.$emit('node-drag-end', Node, node,position, event)"
@node-drop="(Node, node,position, event) => this.$emit('node-drop', Node, node,position, event)"
ref="treeRef"
/>