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ng-zorro-antd

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An enterprise-class UI components based on Ant Design and Angular

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/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @license
 * Copyright Alibaba.com All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { Injectable } from '@angular/core';
import { Subject } from 'rxjs';
import { isNotNil } from '../util';
import { NzTreeNode } from './nz-tree-base-node';
import { isCheckDisabled, isInArray } from './nz-tree-base-util';
export class NzTreeBaseService {
    constructor() {
        this.DRAG_SIDE_RANGE = 0.25;
        this.DRAG_MIN_GAP = 2;
        this.isCheckStrictly = false;
        this.isMultiple = false;
        this.rootNodes = [];
        this.selectedNodeList = [];
        this.expandedNodeList = [];
        this.checkedNodeList = [];
        this.halfCheckedNodeList = [];
        this.matchedNodeList = [];
        this.triggerEventChange$ = new Subject();
    }
    /**
     * trigger event
     * @return {?}
     */
    eventTriggerChanged() {
        return this.triggerEventChange$.asObservable();
    }
    /**
     * reset tree nodes will clear default node list
     * @param {?} nzNodes
     * @return {?}
     */
    initTree(nzNodes) {
        this.rootNodes = nzNodes;
        this.expandedNodeList = [];
        this.selectedNodeList = [];
        this.halfCheckedNodeList = [];
        this.checkedNodeList = [];
        this.matchedNodeList = [];
        // refresh node checked state
        setTimeout((/**
         * @return {?}
         */
        () => {
            this.refreshCheckState(this.isCheckStrictly);
        }));
    }
    /**
     * @return {?}
     */
    getSelectedNode() {
        return this.selectedNode;
    }
    /**
     * get some list
     * @return {?}
     */
    getSelectedNodeList() {
        return this.conductNodeState('select');
    }
    /**
     * return checked nodes
     * @return {?}
     */
    getCheckedNodeList() {
        return this.conductNodeState('check');
    }
    /**
     * @return {?}
     */
    getHalfCheckedNodeList() {
        return this.conductNodeState('halfCheck');
    }
    /**
     * return expanded nodes
     * @return {?}
     */
    getExpandedNodeList() {
        return this.conductNodeState('expand');
    }
    /**
     * return search matched nodes
     * @return {?}
     */
    getMatchedNodeList() {
        return this.conductNodeState('match');
    }
    // tslint:disable-next-line:no-any
    /**
     * @param {?} value
     * @return {?}
     */
    isArrayOfNzTreeNode(value) {
        return value.every((/**
         * @param {?} item
         * @return {?}
         */
        item => item instanceof NzTreeNode));
    }
    /**
     * reset selectedNodeList
     * @param {?} selectedKeys
     * @param {?} nzNodes
     * @param {?=} isMulti
     * @return {?}
     */
    calcSelectedKeys(selectedKeys, nzNodes, isMulti = false) {
        /** @type {?} */
        const calc = (/**
         * @param {?} nodes
         * @return {?}
         */
        (nodes) => {
            return nodes.every((/**
             * @param {?} node
             * @return {?}
             */
            node => {
                if (isInArray(node.key, selectedKeys)) {
                    node.isSelected = true;
                    if (!isMulti) {
                        // if not support multi select
                        return false;
                    }
                }
                else {
                    node.isSelected = false;
                }
                if (node.children.length > 0) {
                    // Recursion
                    return calc(node.children);
                }
                return true;
            }));
        });
        calc(nzNodes);
    }
    /**
     * reset expandedNodeList
     * @param {?} expandedKeys
     * @param {?} nzNodes
     * @return {?}
     */
    calcExpandedKeys(expandedKeys, nzNodes) {
        this.expandedNodeList = [];
        /** @type {?} */
        const calc = (/**
         * @param {?} nodes
         * @return {?}
         */
        (nodes) => {
            nodes.forEach((/**
             * @param {?} node
             * @return {?}
             */
            node => {
                node.isExpanded = isInArray(node.key, expandedKeys);
                if (node.children.length > 0) {
                    calc(node.children);
                }
            }));
        });
        calc(nzNodes);
    }
    /**
     * reset checkedNodeList
     * @param {?} checkedKeys
     * @param {?} nzNodes
     * @param {?=} isCheckStrictly
     * @return {?}
     */
    calcCheckedKeys(checkedKeys, nzNodes, isCheckStrictly = false) {
        this.checkedNodeList = [];
        this.halfCheckedNodeList = [];
        /** @type {?} */
        const calc = (/**
         * @param {?} nodes
         * @return {?}
         */
        (nodes) => {
            nodes.forEach((/**
             * @param {?} node
             * @return {?}
             */
            node => {
                if (isInArray(node.key, checkedKeys)) {
                    node.isChecked = true;
                    node.isHalfChecked = false;
                }
                else {
                    node.isChecked = false;
                    node.isHalfChecked = false;
                }
                if (node.children.length > 0) {
                    calc(node.children);
                }
            }));
        });
        calc(nzNodes);
        // controlled state
        this.refreshCheckState(isCheckStrictly);
    }
    /**
     * set drag node
     * @param {?} node
     * @return {?}
     */
    setSelectedNode(node) {
        this.selectedNode = node;
    }
    /**
     * set node selected status
     * @param {?} node
     * @return {?}
     */
    setNodeActive(node) {
        if (!this.isMultiple && node.isSelected) {
            this.selectedNodeList.forEach((/**
             * @param {?} n
             * @return {?}
             */
            n => {
                if (node.key !== n.key) {
                    // reset other nodes
                    n.isSelected = false;
                }
            }));
            // single mode: remove pre node
            this.selectedNodeList = [];
        }
        this.setSelectedNodeList(node, this.isMultiple);
    }
    /**
     * add or remove node to selectedNodeList
     * @param {?} node
     * @param {?=} isMultiple
     * @return {?}
     */
    setSelectedNodeList(node, isMultiple = false) {
        /** @type {?} */
        const index = this.selectedNodeList.findIndex((/**
         * @param {?} n
         * @return {?}
         */
        n => node.key === n.key));
        if (isMultiple) {
            if (node.isSelected && index === -1) {
                this.selectedNodeList.push(node);
            }
        }
        else {
            if (node.isSelected && index === -1) {
                this.selectedNodeList = [node];
            }
        }
        if (!node.isSelected) {
            this.selectedNodeList = this.selectedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => n.key !== node.key));
        }
    }
    /**
     * merge checked nodes
     * @param {?} node
     * @return {?}
     */
    setHalfCheckedNodeList(node) {
        /** @type {?} */
        const index = this.halfCheckedNodeList.findIndex((/**
         * @param {?} n
         * @return {?}
         */
        n => node.key === n.key));
        if (node.isHalfChecked && index === -1) {
            this.halfCheckedNodeList.push(node);
        }
        else if (!node.isHalfChecked && index > -1) {
            this.halfCheckedNodeList = this.halfCheckedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => node.key !== n.key));
        }
    }
    /**
     * @param {?} node
     * @return {?}
     */
    setCheckedNodeList(node) {
        /** @type {?} */
        const index = this.checkedNodeList.findIndex((/**
         * @param {?} n
         * @return {?}
         */
        n => node.key === n.key));
        if (node.isChecked && index === -1) {
            this.checkedNodeList.push(node);
        }
        else if (!node.isChecked && index > -1) {
            this.checkedNodeList = this.checkedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => node.key !== n.key));
        }
    }
    /**
     * conduct checked/selected/expanded keys
     * @param {?=} type
     * @return {?}
     */
    conductNodeState(type = 'check') {
        /** @type {?} */
        let resultNodesList = [];
        switch (type) {
            case 'select':
                resultNodesList = this.selectedNodeList;
                break;
            case 'expand':
                resultNodesList = this.expandedNodeList;
                break;
            case 'match':
                resultNodesList = this.matchedNodeList;
                break;
            case 'check':
                resultNodesList = this.checkedNodeList;
                /** @type {?} */
                const isIgnore = (/**
                 * @param {?} node
                 * @return {?}
                 */
                (node) => {
                    /** @type {?} */
                    const parentNode = node.getParentNode();
                    if (parentNode) {
                        if (this.checkedNodeList.findIndex((/**
                         * @param {?} n
                         * @return {?}
                         */
                        n => n.key === parentNode.key)) > -1) {
                            return true;
                        }
                        else {
                            return isIgnore(parentNode);
                        }
                    }
                    return false;
                });
                // merge checked
                if (!this.isCheckStrictly) {
                    resultNodesList = this.checkedNodeList.filter((/**
                     * @param {?} n
                     * @return {?}
                     */
                    n => !isIgnore(n)));
                }
                break;
            case 'halfCheck':
                if (!this.isCheckStrictly) {
                    resultNodesList = this.halfCheckedNodeList;
                }
                break;
        }
        return resultNodesList;
    }
    /**
     * set expanded nodes
     * @param {?} node
     * @return {?}
     */
    setExpandedNodeList(node) {
        if (node.isLeaf) {
            return;
        }
        /** @type {?} */
        const index = this.expandedNodeList.findIndex((/**
         * @param {?} n
         * @return {?}
         */
        n => node.key === n.key));
        if (node.isExpanded && index === -1) {
            this.expandedNodeList.push(node);
        }
        else if (!node.isExpanded && index > -1) {
            this.expandedNodeList = this.expandedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => node.key !== n.key));
        }
    }
    /**
     * check state
     * @param {?=} isCheckStrictly
     * @return {?}
     */
    refreshCheckState(isCheckStrictly = false) {
        if (isCheckStrictly) {
            return;
        }
        this.checkedNodeList.forEach((/**
         * @param {?} node
         * @return {?}
         */
        node => {
            this.conduct(node);
        }));
    }
    // reset other node checked state based current node
    /**
     * @param {?} node
     * @return {?}
     */
    conduct(node) {
        /** @type {?} */
        const isChecked = node.isChecked;
        if (node) {
            this.conductUp(node);
            this.conductDown(node, isChecked);
        }
    }
    /**
     * 1、children half checked
     * 2、children all checked, parent checked
     * 3、no children checked
     * @param {?} node
     * @return {?}
     */
    conductUp(node) {
        /** @type {?} */
        const parentNode = node.getParentNode();
        if (parentNode) {
            if (!isCheckDisabled(parentNode)) {
                if (parentNode.children.every((/**
                 * @param {?} child
                 * @return {?}
                 */
                child => isCheckDisabled(child) || (!child.isHalfChecked && child.isChecked)))) {
                    parentNode.isChecked = true;
                    parentNode.isHalfChecked = false;
                }
                else if (parentNode.children.some((/**
                 * @param {?} child
                 * @return {?}
                 */
                child => child.isHalfChecked || child.isChecked))) {
                    parentNode.isChecked = false;
                    parentNode.isHalfChecked = true;
                }
                else {
                    parentNode.isChecked = false;
                    parentNode.isHalfChecked = false;
                }
            }
            this.setCheckedNodeList(parentNode);
            this.setHalfCheckedNodeList(parentNode);
            this.conductUp(parentNode);
        }
    }
    /**
     * reset child check state
     * @param {?} node
     * @param {?} value
     * @return {?}
     */
    conductDown(node, value) {
        if (!isCheckDisabled(node)) {
            node.isChecked = value;
            node.isHalfChecked = false;
            this.setCheckedNodeList(node);
            this.setHalfCheckedNodeList(node);
            node.children.forEach((/**
             * @param {?} n
             * @return {?}
             */
            n => {
                this.conductDown(n, value);
            }));
        }
    }
    /**
     * search value & expand node
     * should add expandlist
     * @param {?} value
     * @return {?}
     */
    searchExpand(value) {
        this.matchedNodeList = [];
        /** @type {?} */
        const expandedKeys = [];
        if (!isNotNil(value)) {
            return;
        }
        // to reset expandedNodeList
        /** @type {?} */
        const expandParent = (/**
         * @param {?} n
         * @return {?}
         */
        (n) => {
            // expand parent node
            /** @type {?} */
            const parentNode = n.getParentNode();
            if (parentNode) {
                expandedKeys.push(parentNode.key);
                expandParent(parentNode);
            }
        });
        /** @type {?} */
        const searchChild = (/**
         * @param {?} n
         * @return {?}
         */
        (n) => {
            if (value && n.title.includes(value)) {
                // match the node
                n.isMatched = true;
                this.matchedNodeList.push(n);
                // expand parentNode
                expandParent(n);
            }
            else {
                n.isMatched = false;
            }
            n.children.forEach((/**
             * @param {?} child
             * @return {?}
             */
            child => {
                searchChild(child);
            }));
        });
        this.rootNodes.forEach((/**
         * @param {?} child
         * @return {?}
         */
        child => {
            searchChild(child);
        }));
        // expand matched keys
        this.calcExpandedKeys(expandedKeys, this.rootNodes);
    }
    /**
     * flush after delete node
     * @param {?} nodes
     * @return {?}
     */
    afterRemove(nodes) {
        // to reset selectedNodeList & expandedNodeList
        /** @type {?} */
        const loopNode = (/**
         * @param {?} node
         * @return {?}
         */
        (node) => {
            // remove selected node
            this.selectedNodeList = this.selectedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => n.key !== node.key));
            // remove expanded node
            this.expandedNodeList = this.expandedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => n.key !== node.key));
            // remove checked node
            this.checkedNodeList = this.checkedNodeList.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => n.key !== node.key));
            if (node.children) {
                node.children.forEach((/**
                 * @param {?} child
                 * @return {?}
                 */
                child => {
                    loopNode(child);
                }));
            }
        });
        nodes.forEach((/**
         * @param {?} n
         * @return {?}
         */
        n => {
            loopNode(n);
        }));
        this.refreshCheckState(this.isCheckStrictly);
    }
    /**
     * drag event
     * @param {?} node
     * @return {?}
     */
    refreshDragNode(node) {
        if (node.children.length === 0) {
            // until root
            this.conductUp(node);
        }
        else {
            node.children.forEach((/**
             * @param {?} child
             * @return {?}
             */
            child => {
                this.refreshDragNode(child);
            }));
        }
    }
    // reset node level
    /**
     * @param {?} node
     * @return {?}
     */
    resetNodeLevel(node) {
        /** @type {?} */
        const parentNode = node.getParentNode();
        if (parentNode) {
            node.level = parentNode.level + 1;
        }
        else {
            node.level = 0;
        }
        for (const child of node.children) {
            this.resetNodeLevel(child);
        }
    }
    /**
     * @param {?} event
     * @return {?}
     */
    calcDropPosition(event) {
        const { clientY } = event;
        // to fix firefox undefined
        const { top, bottom, height } = event.srcElement
            ? ((/** @type {?} */ (event.srcElement))).getBoundingClientRect()
            : ((/** @type {?} */ (event.target))).getBoundingClientRect();
        /** @type {?} */
        const des = Math.max(height * this.DRAG_SIDE_RANGE, this.DRAG_MIN_GAP);
        if (clientY <= top + des) {
            return -1;
        }
        else if (clientY >= bottom - des) {
            return 1;
        }
        return 0;
    }
    /**
     * drop
     * 0: inner -1: pre 1: next
     * @param {?} targetNode
     * @param {?=} dragPos
     * @return {?}
     */
    dropAndApply(targetNode, dragPos = -1) {
        if (!targetNode || dragPos > 1) {
            return;
        }
        /** @type {?} */
        const treeService = targetNode.treeService;
        /** @type {?} */
        const targetParent = targetNode.getParentNode();
        /** @type {?} */
        const isSelectedRootNode = this.selectedNode.getParentNode();
        // remove the dragNode
        if (isSelectedRootNode) {
            isSelectedRootNode.children = isSelectedRootNode.children.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => n.key !== this.selectedNode.key));
        }
        else {
            this.rootNodes = this.rootNodes.filter((/**
             * @param {?} n
             * @return {?}
             */
            n => n.key !== this.selectedNode.key));
        }
        switch (dragPos) {
            case 0:
                targetNode.addChildren([this.selectedNode]);
                this.resetNodeLevel(targetNode);
                break;
            case -1:
            case 1:
                /** @type {?} */
                const tIndex = dragPos === 1 ? 1 : 0;
                if (targetParent) {
                    targetParent.addChildren([this.selectedNode], targetParent.children.indexOf(targetNode) + tIndex);
                    /** @type {?} */
                    const parentNode = this.selectedNode.getParentNode();
                    if (parentNode) {
                        this.resetNodeLevel(parentNode);
                    }
                }
                else {
                    /** @type {?} */
                    const targetIndex = this.rootNodes.indexOf(targetNode) + tIndex;
                    // Insert root node.
                    this.rootNodes.splice(targetIndex, 0, this.selectedNode);
                    this.rootNodes[targetIndex].parentNode = null;
                    this.rootNodes[targetIndex].level = 0;
                }
                break;
        }
        // flush all nodes
        this.rootNodes.forEach((/**
         * @param {?} child
         * @return {?}
         */
        child => {
            if (!child.treeService) {
                child.service = treeService;
            }
            this.refreshDragNode(child);
        }));
    }
    /**
     * emit Structure
     * eventName
     * node
     * event: MouseEvent / DragEvent
     * dragNode
     * @param {?} eventName
     * @param {?} node
     * @param {?} event
     * @return {?}
     */
    formatEvent(eventName, node, event) {
        /** @type {?} */
        const emitStructure = {
            eventName: eventName,
            node: node,
            event: event
        };
        switch (eventName) {
            case 'dragstart':
            case 'dragenter':
            case 'dragover':
            case 'dragleave':
            case 'drop':
            case 'dragend':
                Object.assign(emitStructure, { dragNode: this.getSelectedNode() });
                break;
            case 'click':
            case 'dblclick':
                Object.assign(emitStructure, { selectedKeys: this.selectedNodeList });
                Object.assign(emitStructure, { nodes: this.selectedNodeList });
                Object.assign(emitStructure, { keys: this.selectedNodeList.map((/**
                     * @param {?} n
                     * @return {?}
                     */
                    n => n.key)) });
                break;
            case 'check':
                /** @type {?} */
                const checkedNodeList = this.getCheckedNodeList();
                Object.assign(emitStructure, { checkedKeys: checkedNodeList });
                Object.assign(emitStructure, { nodes: checkedNodeList });
                Object.assign(emitStructure, { keys: checkedNodeList.map((/**
                     * @param {?} n
                     * @return {?}
                     */
                    n => n.key)) });
                break;
            case 'search':
                Object.assign(emitStructure, { matchedKeys: this.getMatchedNodeList() });
                Object.assign(emitStructure, { nodes: this.getMatchedNodeList() });
                Object.assign(emitStructure, { keys: this.getMatchedNodeList().map((/**
                     * @param {?} n
                     * @return {?}
                     */
                    n => n.key)) });
                break;
            case 'expand':
                Object.assign(emitStructure, { nodes: this.expandedNodeList });
                Object.assign(emitStructure, { keys: this.expandedNodeList.map((/**
                     * @param {?} n
                     * @return {?}
                     */
                    n => n.key)) });
                break;
        }
        return emitStructure;
    }
    /**
     * @return {?}
     */
    ngOnDestroy() {
        this.triggerEventChange$.complete();
    }
}
NzTreeBaseService.decorators = [
    { type: Injectable }
];
if (false) {
    /** @type {?} */
    NzTreeBaseService.prototype.DRAG_SIDE_RANGE;
    /** @type {?} */
    NzTreeBaseService.prototype.DRAG_MIN_GAP;
    /** @type {?} */
    NzTreeBaseService.prototype.isCheckStrictly;
    /** @type {?} */
    NzTreeBaseService.prototype.isMultiple;
    /** @type {?} */
    NzTreeBaseService.prototype.selectedNode;
    /** @type {?} */
    NzTreeBaseService.prototype.rootNodes;
    /** @type {?} */
    NzTreeBaseService.prototype.selectedNodeList;
    /** @type {?} */
    NzTreeBaseService.prototype.expandedNodeList;
    /** @type {?} */
    NzTreeBaseService.prototype.checkedNodeList;
    /** @type {?} */
    NzTreeBaseService.prototype.halfCheckedNodeList;
    /** @type {?} */
    NzTreeBaseService.prototype.matchedNodeList;
    /** @type {?} */
    NzTreeBaseService.prototype.triggerEventChange$;
}
//# 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* @license\n * Copyright Alibaba.com All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { Injectable, OnDestroy } from '@angular/core';\nimport { Observable, Subject } from 'rxjs';\n\nimport { isNotNil } from '../util';\n\nimport { NzTreeNode } from './nz-tree-base-node';\nimport { isCheckDisabled, isInArray } from './nz-tree-base-util';\nimport { NzFormatEmitEvent } from './nz-tree-base.definitions';\n\n@Injectable()\nexport class NzTreeBaseService implements OnDestroy {\n  DRAG_SIDE_RANGE = 0.25;\n  DRAG_MIN_GAP = 2;\n\n  isCheckStrictly: boolean = false;\n  isMultiple: boolean = false;\n  selectedNode: NzTreeNode;\n  rootNodes: NzTreeNode[] = [];\n  selectedNodeList: NzTreeNode[] = [];\n  expandedNodeList: NzTreeNode[] = [];\n  checkedNodeList: NzTreeNode[] = [];\n  halfCheckedNodeList: NzTreeNode[] = [];\n  matchedNodeList: NzTreeNode[] = [];\n  triggerEventChange$ = new Subject<NzFormatEmitEvent>();\n\n  /**\n   * trigger event\n   */\n  eventTriggerChanged(): Observable<NzFormatEmitEvent> {\n    return this.triggerEventChange$.asObservable();\n  }\n\n  /**\n   * reset tree nodes will clear default node list\n   */\n  initTree(nzNodes: NzTreeNode[]): void {\n    this.rootNodes = nzNodes;\n    this.expandedNodeList = [];\n    this.selectedNodeList = [];\n    this.halfCheckedNodeList = [];\n    this.checkedNodeList = [];\n    this.matchedNodeList = [];\n    // refresh node checked state\n    setTimeout(() => {\n      this.refreshCheckState(this.isCheckStrictly);\n    });\n  }\n\n  getSelectedNode(): NzTreeNode | null {\n    return this.selectedNode;\n  }\n\n  /**\n   * get some list\n   */\n  getSelectedNodeList(): NzTreeNode[] {\n    return this.conductNodeState('select');\n  }\n\n  /**\n   * return checked nodes\n   */\n  getCheckedNodeList(): NzTreeNode[] {\n    return this.conductNodeState('check');\n  }\n\n  getHalfCheckedNodeList(): NzTreeNode[] {\n    return this.conductNodeState('halfCheck');\n  }\n\n  /**\n   * return expanded nodes\n   */\n  getExpandedNodeList(): NzTreeNode[] {\n    return this.conductNodeState('expand');\n  }\n\n  /**\n   * return search matched nodes\n   */\n  getMatchedNodeList(): NzTreeNode[] {\n    return this.conductNodeState('match');\n  }\n\n  // tslint:disable-next-line:no-any\n  isArrayOfNzTreeNode(value: any[]): boolean {\n    return value.every(item => item instanceof NzTreeNode);\n  }\n\n  /**\n   * reset selectedNodeList\n   */\n  calcSelectedKeys(selectedKeys: string[], nzNodes: NzTreeNode[], isMulti: boolean = false): void {\n    const calc = (nodes: NzTreeNode[]): boolean => {\n      return nodes.every(node => {\n        if (isInArray(node.key, selectedKeys)) {\n          node.isSelected = true;\n          if (!isMulti) {\n            // if not support multi select\n            return false;\n          }\n        } else {\n          node.isSelected = false;\n        }\n        if (node.children.length > 0) {\n          // Recursion\n          return calc(node.children);\n        }\n        return true;\n      });\n    };\n    calc(nzNodes);\n  }\n\n  /**\n   * reset expandedNodeList\n   */\n  calcExpandedKeys(expandedKeys: string[], nzNodes: NzTreeNode[]): void {\n    this.expandedNodeList = [];\n    const calc = (nodes: NzTreeNode[]) => {\n      nodes.forEach(node => {\n        node.isExpanded = isInArray(node.key, expandedKeys);\n        if (node.children.length > 0) {\n          calc(node.children);\n        }\n      });\n    };\n    calc(nzNodes);\n  }\n\n  /**\n   * reset checkedNodeList\n   */\n  calcCheckedKeys(checkedKeys: string[], nzNodes: NzTreeNode[], isCheckStrictly: boolean = false): void {\n    this.checkedNodeList = [];\n    this.halfCheckedNodeList = [];\n    const calc = (nodes: NzTreeNode[]) => {\n      nodes.forEach(node => {\n        if (isInArray(node.key, checkedKeys)) {\n          node.isChecked = true;\n          node.isHalfChecked = false;\n        } else {\n          node.isChecked = false;\n          node.isHalfChecked = false;\n        }\n        if (node.children.length > 0) {\n          calc(node.children);\n        }\n      });\n    };\n    calc(nzNodes);\n    // controlled state\n    this.refreshCheckState(isCheckStrictly);\n  }\n\n  /**\n   * set drag node\n   */\n  setSelectedNode(node: NzTreeNode): void {\n    this.selectedNode = node;\n  }\n\n  /**\n   * set node selected status\n   */\n  setNodeActive(node: NzTreeNode): void {\n    if (!this.isMultiple && node.isSelected) {\n      this.selectedNodeList.forEach(n => {\n        if (node.key !== n.key) {\n          // reset other nodes\n          n.isSelected = false;\n        }\n      });\n      // single mode: remove pre node\n      this.selectedNodeList = [];\n    }\n    this.setSelectedNodeList(node, this.isMultiple);\n  }\n\n  /**\n   * add or remove node to selectedNodeList\n   */\n  setSelectedNodeList(node: NzTreeNode, isMultiple: boolean = false): void {\n    const index = this.selectedNodeList.findIndex(n => node.key === n.key);\n    if (isMultiple) {\n      if (node.isSelected && index === -1) {\n        this.selectedNodeList.push(node);\n      }\n    } else {\n      if (node.isSelected && index === -1) {\n        this.selectedNodeList = [node];\n      }\n    }\n    if (!node.isSelected) {\n      this.selectedNodeList = this.selectedNodeList.filter(n => n.key !== node.key);\n    }\n  }\n\n  /**\n   * merge checked nodes\n   */\n  setHalfCheckedNodeList(node: NzTreeNode): void {\n    const index = this.halfCheckedNodeList.findIndex(n => node.key === n.key);\n    if (node.isHalfChecked && index === -1) {\n      this.halfCheckedNodeList.push(node);\n    } else if (!node.isHalfChecked && index > -1) {\n      this.halfCheckedNodeList = this.halfCheckedNodeList.filter(n => node.key !== n.key);\n    }\n  }\n\n  setCheckedNodeList(node: NzTreeNode): void {\n    const index = this.checkedNodeList.findIndex(n => node.key === n.key);\n    if (node.isChecked && index === -1) {\n      this.checkedNodeList.push(node);\n    } else if (!node.isChecked && index > -1) {\n      this.checkedNodeList = this.checkedNodeList.filter(n => node.key !== n.key);\n    }\n  }\n\n  /**\n   * conduct checked/selected/expanded keys\n   */\n  conductNodeState(type: string = 'check'): NzTreeNode[] {\n    let resultNodesList: NzTreeNode[] = [];\n    switch (type) {\n      case 'select':\n        resultNodesList = this.selectedNodeList;\n        break;\n      case 'expand':\n        resultNodesList = this.expandedNodeList;\n        break;\n      case 'match':\n        resultNodesList = this.matchedNodeList;\n        break;\n      case 'check':\n        resultNodesList = this.checkedNodeList;\n        const isIgnore = (node: NzTreeNode): boolean => {\n          const parentNode = node.getParentNode();\n          if (parentNode) {\n            if (this.checkedNodeList.findIndex(n => n.key === parentNode.key) > -1) {\n              return true;\n            } else {\n              return isIgnore(parentNode);\n            }\n          }\n          return false;\n        };\n        // merge checked\n        if (!this.isCheckStrictly) {\n          resultNodesList = this.checkedNodeList.filter(n => !isIgnore(n));\n        }\n        break;\n      case 'halfCheck':\n        if (!this.isCheckStrictly) {\n          resultNodesList = this.halfCheckedNodeList;\n        }\n        break;\n    }\n    return resultNodesList;\n  }\n\n  /**\n   * set expanded nodes\n   */\n  setExpandedNodeList(node: NzTreeNode): void {\n    if (node.isLeaf) {\n      return;\n    }\n    const index = this.expandedNodeList.findIndex(n => node.key === n.key);\n    if (node.isExpanded && index === -1) {\n      this.expandedNodeList.push(node);\n    } else if (!node.isExpanded && index > -1) {\n      this.expandedNodeList = this.expandedNodeList.filter(n => node.key !== n.key);\n    }\n  }\n\n  /**\n   * check state\n   * @param isCheckStrictly\n   */\n  refreshCheckState(isCheckStrictly: boolean = false): void {\n    if (isCheckStrictly) {\n      return;\n    }\n    this.checkedNodeList.forEach(node => {\n      this.conduct(node);\n    });\n  }\n\n  // reset other node checked state based current node\n  conduct(node: NzTreeNode): void {\n    const isChecked = node.isChecked;\n    if (node) {\n      this.conductUp(node);\n      this.conductDown(node, isChecked);\n    }\n  }\n\n  /**\n   * 1、children half checked\n   * 2、children all checked, parent checked\n   * 3、no children checked\n   */\n  conductUp(node: NzTreeNode): void {\n    const parentNode = node.getParentNode();\n    if (parentNode) {\n      if (!isCheckDisabled(parentNode)) {\n        if (parentNode.children.every(child => isCheckDisabled(child) || (!child.isHalfChecked && child.isChecked))) {\n          parentNode.isChecked = true;\n          parentNode.isHalfChecked = false;\n        } else if (parentNode.children.some(child => child.isHalfChecked || child.isChecked)) {\n          parentNode.isChecked = false;\n          parentNode.isHalfChecked = true;\n        } else {\n          parentNode.isChecked = false;\n          parentNode.isHalfChecked = false;\n        }\n      }\n      this.setCheckedNodeList(parentNode);\n      this.setHalfCheckedNodeList(parentNode);\n      this.conductUp(parentNode);\n    }\n  }\n\n  /**\n   * reset child check state\n   */\n  conductDown(node: NzTreeNode, value: boolean): void {\n    if (!isCheckDisabled(node)) {\n      node.isChecked = value;\n      node.isHalfChecked = false;\n      this.setCheckedNodeList(node);\n      this.setHalfCheckedNodeList(node);\n      node.children.forEach(n => {\n        this.conductDown(n, value);\n      });\n    }\n  }\n\n  /**\n   * search value & expand node\n   * should add expandlist\n   */\n  searchExpand(value: string): void {\n    this.matchedNodeList = [];\n    const expandedKeys: string[] = [];\n    if (!isNotNil(value)) {\n      return;\n    }\n    // to reset expandedNodeList\n    const expandParent = (n: NzTreeNode) => {\n      // expand parent node\n      const parentNode = n.getParentNode();\n      if (parentNode) {\n        expandedKeys.push(parentNode.key);\n        expandParent(parentNode);\n      }\n    };\n    const searchChild = (n: NzTreeNode) => {\n      if (value && n.title.includes(value)) {\n        // match the node\n        n.isMatched = true;\n        this.matchedNodeList.push(n);\n        // expand parentNode\n        expandParent(n);\n      } else {\n        n.isMatched = false;\n      }\n      n.children.forEach(child => {\n        searchChild(child);\n      });\n    };\n    this.rootNodes.forEach(child => {\n      searchChild(child);\n    });\n    // expand matched keys\n    this.calcExpandedKeys(expandedKeys, this.rootNodes);\n  }\n\n  /**\n   * flush after delete node\n   */\n  afterRemove(nodes: NzTreeNode[]): void {\n    // to reset selectedNodeList & expandedNodeList\n    const loopNode = (node: NzTreeNode) => {\n      // remove selected node\n      this.selectedNodeList = this.selectedNodeList.filter(n => n.key !== node.key);\n      // remove expanded node\n      this.expandedNodeList = this.expandedNodeList.filter(n => n.key !== node.key);\n      // remove checked node\n      this.checkedNodeList = this.checkedNodeList.filter(n => n.key !== node.key);\n      if (node.children) {\n        node.children.forEach(child => {\n          loopNode(child);\n        });\n      }\n    };\n    nodes.forEach(n => {\n      loopNode(n);\n    });\n    this.refreshCheckState(this.isCheckStrictly);\n  }\n\n  /**\n   * drag event\n   */\n  refreshDragNode(node: NzTreeNode): void {\n    if (node.children.length === 0) {\n      // until root\n      this.conductUp(node);\n    } else {\n      node.children.forEach(child => {\n        this.refreshDragNode(child);\n      });\n    }\n  }\n\n  // reset node level\n  resetNodeLevel(node: NzTreeNode): void {\n    const parentNode = node.getParentNode();\n    if (parentNode) {\n      node.level = parentNode.level + 1;\n    } else {\n      node.level = 0;\n    }\n    for (const child of node.children) {\n      this.resetNodeLevel(child);\n    }\n  }\n\n  calcDropPosition(event: DragEvent): number {\n    const { clientY } = event;\n    // to fix firefox undefined\n    const { top, bottom, height } = event.srcElement\n      ? (event.srcElement as Element).getBoundingClientRect()\n      : (event.target as Element).getBoundingClientRect();\n    const des = Math.max(height * this.DRAG_SIDE_RANGE, this.DRAG_MIN_GAP);\n\n    if (clientY <= top + des) {\n      return -1;\n    } else if (clientY >= bottom - des) {\n      return 1;\n    }\n\n    return 0;\n  }\n\n  /**\n   * drop\n   * 0: inner -1: pre 1: next\n   */\n  dropAndApply(targetNode: NzTreeNode, dragPos: number = -1): void {\n    if (!targetNode || dragPos > 1) {\n      return;\n    }\n    const treeService = targetNode.treeService;\n    const targetParent = targetNode.getParentNode();\n    const isSelectedRootNode = this.selectedNode.getParentNode();\n    // remove the dragNode\n    if (isSelectedRootNode) {\n      isSelectedRootNode.children = isSelectedRootNode.children.filter(n => n.key !== this.selectedNode.key);\n    } else {\n      this.rootNodes = this.rootNodes.filter(n => n.key !== this.selectedNode.key);\n    }\n    switch (dragPos) {\n      case 0:\n        targetNode.addChildren([this.selectedNode]);\n        this.resetNodeLevel(targetNode);\n        break;\n      case -1:\n      case 1:\n        const tIndex = dragPos === 1 ? 1 : 0;\n        if (targetParent) {\n          targetParent.addChildren([this.selectedNode], targetParent.children.indexOf(targetNode) + tIndex);\n          const parentNode = this.selectedNode.getParentNode();\n          if (parentNode) {\n            this.resetNodeLevel(parentNode);\n          }\n        } else {\n          const targetIndex = this.rootNodes.indexOf(targetNode) + tIndex;\n          // Insert root node.\n          this.rootNodes.splice(targetIndex, 0, this.selectedNode);\n          this.rootNodes[targetIndex].parentNode = null;\n          this.rootNodes[targetIndex].level = 0;\n        }\n        break;\n    }\n    // flush all nodes\n    this.rootNodes.forEach(child => {\n      if (!child.treeService) {\n        child.service = treeService;\n      }\n      this.refreshDragNode(child);\n    });\n  }\n\n  /**\n   * emit Structure\n   * eventName\n   * node\n   * event: MouseEvent / DragEvent\n   * dragNode\n   */\n  formatEvent(eventName: string, node: NzTreeNode | null, event: MouseEvent | DragEvent | null): NzFormatEmitEvent {\n    const emitStructure: NzFormatEmitEvent = {\n      eventName: eventName,\n      node: node,\n      event: event\n    };\n    switch (eventName) {\n      case 'dragstart':\n      case 'dragenter':\n      case 'dragover':\n      case 'dragleave':\n      case 'drop':\n      case 'dragend':\n        Object.assign(emitStructure, { dragNode: this.getSelectedNode() });\n        break;\n      case 'click':\n      case 'dblclick':\n        Object.assign(emitStructure, { selectedKeys: this.selectedNodeList });\n        Object.assign(emitStructure, { nodes: this.selectedNodeList });\n        Object.assign(emitStructure, { keys: this.selectedNodeList.map(n => n.key) });\n        break;\n      case 'check':\n        const checkedNodeList = this.getCheckedNodeList();\n\n        Object.assign(emitStructure, { checkedKeys: checkedNodeList });\n        Object.assign(emitStructure, { nodes: checkedNodeList });\n        Object.assign(emitStructure, { keys: checkedNodeList.map(n => n.key) });\n        break;\n      case 'search':\n        Object.assign(emitStructure, { matchedKeys: this.getMatchedNodeList() });\n        Object.assign(emitStructure, { nodes: this.getMatchedNodeList() });\n        Object.assign(emitStructure, { keys: this.getMatchedNodeList().map(n => n.key) });\n        break;\n      case 'expand':\n        Object.assign(emitStructure, { nodes: this.expandedNodeList });\n        Object.assign(emitStructure, { keys: this.expandedNodeList.map(n => n.key) });\n        break;\n    }\n    return emitStructure;\n  }\n\n  ngOnDestroy(): void {\n    this.triggerEventChange$.complete();\n  }\n}\n"]}