<template>
  <div class="ztree" :id="ztreeId"></div>
</template>

<script>
import * as $ from "jquery";
if(!window.jQuery){
  window.jQuery = $;
}

require("./lib/jquery.ztree.all");

export default {
  props: {
    setting: {
      type: Object,
      require: false,
      default: function(){
        return {}
      }
    },
    nodes: {
      type: Array,
      require: true,
      default: function(){
        return []
      }
    }
  },
  data(){
    return {
      ztreeId: 'ztree_'+ parseInt(Math.random() * 1e10),
      ztreeObj: null,
      list: [],
      ztreeSetting: {
        view: {
          showIcon: false         // default to hide icon
        },
        callback: {
          onAsyncError: (...arg) => {
            this.$emit('onAsyncError', ...arg)
          },
          onAsyncSuccess: (...arg) => {
            this.$emit('onAsyncSuccess', ...arg)
          },
          onCheck: (...arg) => {
            this.$emit('onCheck', ...arg)
          },
          onClick: (...arg) => {
            this.$emit('onClick', ...arg)
          },
          onCollapse: (...arg) => {
            this.$emit('onCollapse', ...arg)
          },
          onDblClick: (...arg) => {
            this.$emit('onDblClick', ...arg)
          },
          onDrag: (...arg) => {
            this.$emit('onDrag', ...arg)
          },
          onDragMove: (...arg) => {
            this.$emit('onDragMove', ...arg)
          },
          onDrop: (...arg) => {
            this.$emit('onDrop', ...arg)
          },
          onExpand: (...arg) => {
            this.$emit('onExpand', ...arg)
          },
          onMouseDown: (...arg) => {
            this.$emit('onMouseDown', ...arg)
          },
          onMouseUp: (...arg) => {
            this.$emit('onMouseUp', ...arg)
          },
          onRemove: (...arg) => {
            this.$emit('onRemove', ...arg)
          },
          onRename: (...arg) => {
            this.$emit('onRename', ...arg)
          },
          beforeRename:(...arg) => {
            this.$emit('beforeRename', ...arg)
          },
          onRightClick: (...arg) => {
            this.$emit('onRightClick', ...arg)
          }
        }
      }
    }
  },
  watch: {
    nodes: {
      handler: function(nodes){
        this.list = nodes;
        
        // update tree
        if(this.ztreeObj){
          this.ztreeObj.destroy();
        }
        this.$nextTick(() => {
          this.ztreeObj = $.fn.zTree.init($("#"+this.ztreeId), Object.assign({}, this.ztreeSetting, this.setting), this.list);
          this.$emit('onCreated', this.ztreeObj)
           this.ztreeObj.expandAll(true);
        })
      },
      deep: true,
      immediate: true
    }
  }
}
</script>

<style scoped>
/* beauty ztree! */
.ztree {
  text-align:left;
  font-size: 16px;
}
.ztree >>> li {
  list-style-type: none;
  white-space: nowrap;
  outline: none;
}
.ztree >>> li ul {
  position: relative;
  padding: 0 0 0 20px;
  margin: 0;
}
.ztree >>> .line:before {
  position: absolute;
  top: 0;
  left: 10px;
  height: 100%;
  content: '';
  border-right: 1px dotted #dbdbdb;
}
.ztree >>> .roots_docu:before,
.ztree >>> .roots_docu:after,
.ztree >>> .center_docu:before,
.ztree >>> .bottom_docu:before,
.ztree >>> .center_docu:after,
.ztree >>> .bottom_docu:after {
  position: absolute;
  content: '';
  border: 0 dotted #dbdbdb;
}
.ztree >>> .roots_docu:before {
  left: 10px;
  height: 50%;
  top:50%;
  border-left-width: 1px;
}
.ztree >>> .roots_docu:after {
  top: 50%;
  left: 11px;
  width: 50%;
  border-top-width: 1px;
}
.ztree >>> .center_docu:before {
  left: 10px;
  height: 100%;
  border-left-width: 1px;
}
.ztree >>> .center_docu:after {
  top: 50%;
  left: 11px;
  width: 50%;
  border-top-width: 1px;
}
.ztree >>> .bottom_docu:before {
  left: 10px;
  height: 50%;
  border-left-width: 1px;
}
.ztree >>> .bottom_docu:after {
  top: 50%;
  left: 11px;
  width: 50%;
  border-top-width: 1px;
}
.ztree >>> li a {
  display: inline-block;
  line-height: 40px;
  height: 40px;
  margin: 0;
  cursor: pointer;
  transition: none;
  vertical-align: middle;
  color: #555555;
}
.ztree >>> .node_name{
  display: inline-block;
  padding: 0 3px;
  border-radius: 4px;
}
.ztree >>> .curSelectedNode .node_name{
  color: #000;
  background-color: #c9e9f7;
}
.ztree >>> .curSelectedNode_Edit {
  height: 20px;
  opacity: 0.8;
  color: #000;
  border: 1px #6cc2e8 solid;
  background-color: #9dd6f0;
}
.ztree >>> .tmpTargetNode_inner {
  opacity: 0.8;
  color: #fff;
  background-color: #4fcbf0;
  filter: alpha(opacity=80);
}
.ztree >>> .rename {
  font-size: 12px;
  line-height: 22px;
  width: 80px;
  height: 22px;
  margin: 0;
  padding: 0;
  vertical-align: top;
  border: 0;
  background: none;
}
.ztree >>> .button {
  position: relative;
  display: inline-block;
  line-height: 22px;
  height: 22px;
  width: 14px;
  cursor: pointer;
  text-align: center;
  vertical-align: middle;
}
.ztree >>>  .button.center_docu,.ztree >>>  .button.bottom_docu{
  line-height: 40px;
  height: 40px;
}
.ztree >>> .button.edit {
  color: #25ae88;
}
.ztree >>> .button.remove {
  color: #CB4042;
}
.ztree >>> .button.chk {
  position: relative;
  width: 14px;
  height: 14px;
  margin: 0 4px 0 0;
  border: 1px solid #d7dde4;
  border-radius: 2px;
  background: #fff;
}
.ztree >>> .chk.radio_true_full,
.ztree >>> .chk.radio_false_full,
.ztree >>> .chk.radio_true_full_focus,
.ztree >>> .chk.radio_false_full_focus,
.ztree >>> .chk.radio_false_disable,
.ztree >>> .chk.radio_true_disable,
.ztree >>> .chk.radio_true_part,
.ztree >>> .chk.radio_false_part,
.ztree >>> .chk.radio_true_part_focus,
.ztree >>> .chk.radio_false_part_focus {
  border-radius: 8px;
}
.ztree >>> .button.chk:after {
  position: absolute;
  top: 1px;
  left: 4px;
  width: 4px;
  height: 8px;
  content: '';
  transition: -webkit-transform 0.2s ease-in-out;
  transition: transform 0.2s ease-in-out;
  transition: transform 0.2s ease-in-out, -webkit-transform 0.2s ease-in-out;
  -webkit-transform: rotate(0deg) scale(0);
          transform: rotate(0deg) scale(0);
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
}
.ztree >>> .button.checkbox_false_full_focus {
  border-color: #ccc;
}
.ztree >>> .button.checkbox_true_full,
.ztree >>> .button.checkbox_true_full_focus,
.ztree >>> .button.checkbox_true_part,
.ztree >>> .button.checkbox_true_part_focus,
.ztree >>> .button.checkbox_true_disable {
  border-color: #39f;
  background-color: #39f;
}
.ztree >>> .button.checkbox_true_full:after,
.ztree >>> .button.checkbox_true_full_focus:after,
.ztree >>> .button.checkbox_true_disable:after {
  -webkit-transform: rotate(45deg) scale(1);
          transform: rotate(45deg) scale(1);
}
.ztree >>> .button.checkbox_true_part:after,
.ztree >>> .button.checkbox_true_part_focus:after {
  top: 5px;
  left: 2px;
  width: 10px;
  height: 1px;
  -webkit-transform: rotate(0deg) scale(1);
          transform: rotate(0deg) scale(1);
  border-right: 0;
}
.ztree >>> .button.radio_true_full,
.ztree >>> .chk.radio_true_full_focus,
.ztree >>> .chk.radio_true_part,
.ztree >>> .chk.radio_true_part_focus {
  border-color: #39f;
}
.ztree >>> .button.radio_true_full:after,
.ztree >>> .chk.radio_true_full_focus:after,
.ztree >>> .chk.radio_true_part:after,
.ztree >>> .chk.radio_true_part_focus:after {
  top: 3px;
  left: 3px;
  width: 8px;
  -webkit-transform: rotate(0deg) scale(1);
          transform: rotate(0deg) scale(1);
  border: 0;
  border-radius: 4px;
  background: #39f;
}
.ztree >>> .button.checkbox_true_disable,
.ztree >>> .button.checkbox_false_disable,
.ztree >>> .chk.radio_false_disable,
.ztree >>> .chk.radio_true_disable {
  cursor: not-allowed;
}
.ztree >>> .button.checkbox_false_disable {
  background-color: #f3f3f3;
}
.ztree >>> .button.noline_close:before,
.ztree >>> .button.noline_open:before,
.ztree >>> .button.root_open:before,
.ztree >>> .button.root_close:before,
.ztree >>> .button.roots_open:before,
.ztree >>> .button.roots_close:before,
.ztree >>> .button.bottom_open:before,
.ztree >>> .button.bottom_close:before,
.ztree >>> .button.center_open:before,
.ztree >>> .button.center_close:before {
  position: absolute;
  top: 6px;
  left: 8px;
  content: '';
  transition: -webkit-transform ease 0.3s;
  transition: transform ease 0.3s;
  transition: transform ease 0.3s, -webkit-transform ease 0.3s;
  -webkit-transform: rotateZ(0deg);
          transform: rotateZ(0deg);
  -webkit-transform-origin: 25% 50%;
          transform-origin: 25% 50%;
  border: 4px solid;
  border-color: transparent transparent transparent #999;
}
.ztree >>> .button.noline_open:before,
.ztree >>> .button.root_open:before,
.ztree >>> .button.roots_open:before,
.ztree >>> .button.bottom_open:before,
.ztree >>> .button.center_open:before {
  -webkit-transform: rotateZ(90deg);
          transform: rotateZ(90deg);
}
.ztree >>> .button.ico_loading {
  margin-right: 2px;
  background: url('data:image/gif;base64,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') 0 center no-repeat;
}
.ztree >>> .tmpTargetzTree {
  opacity: 0.8;
  background-color: #2EA9DF;
  filter: alpha(opacity=80);
}
.ztree >>> .tmpzTreeMove_arrow {
  position: absolute;
  width: 18px;
  height: 18px;
  color: #4fcbf0;
}
.ztree >>> .ztree.zTreeDragUL {
  overflow: hidden;
  position: absolute;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  opacity: 0.8;
  border: 1px #176b53 dotted;
  background-color: #dbdbdb;
  filter: alpha(opacity=80);
}
.zTreeMask {
  position: absolute;
  z-index: 10000;
  opacity: 0.0;
  background-color: #cfcfcf;
  filter: alpha(opacity=0);
}
.ztree >>> .node_name{
  /* background: url('../assets/img/xqicon.png'); */
}
</style>
