<template>
    <Tree :data="data4" show-checkbox multiple @on-contextmenu="handleContextMenu">
        <template slot="contextMenu">
            <DropdownItem @click.native="handleContextMenuEdit">编辑</DropdownItem>
            <DropdownItem @click.native="handleContextMenuDelete" style="color: #ed4014">删除</DropdownItem>
        </template>
    </Tree>
</template>
<script>
    export default {
        data () {
            return {
                data4: [
                    {
                        title: 'parent 1',
                        expand: true,
                        selected: true,
                        contextmenu: true,
                        children: [
                            {
                                title: 'parent 1-1',
                                expand: true,
                                disabled: true,
                                contextmenu: true,
                                children: [
                                    {
                                        title: 'leaf 1-1-1',
                                        disabled: true
                                    },
                                    {
                                        title: 'leaf 1-1-2'
                                    }
                                ]
                            },
                            {
                                title: 'parent 1-2',
                                expand: true,
                                contextmenu: true,
                                children: [
                                    {
                                        title: 'leaf 1-2-1',
                                        checked: true
                                    },
                                    {
                                        title: 'leaf 1-2-1',
                                        contextmenu: true,
                                    }
                                ]
                            }
                        ]
                    }
                ],
                contextTitle: 0
            }
        },
        methods: {
            handleContextMenu (data) {
                this.contextTitle = data.title;
            },
            handleContextMenuEdit () {
                this.$Message.info('Click edit of line' + this.contextTitle);
            },
            handleContextMenuDelete () {
                this.$Message.info('Click delete of line' + this.contextTitle);
            }
        },
        methods: {
            get(){
                console.log(this.$refs.treeRef.getCheckedNodes())
            }
        }
    }
</script>
