airport-chengdu-web/src/app/pages/basic-data/airline/airline.component.ts

import { Component, OnInit } from '@angular/core';
import { BasicDataService } from '../../basic-data-service';
import { ChangeDetectorRef } from '@angular/core';
import * as $ from 'jquery';
@Component({
    selector: 'app-airline',
    templateUrl: './airline.component.html',
    styleUrls: ['./airline.component.scss']
})
export class AirlineComponent implements OnInit {

    constructor(
        private basicDataService: BasicDataService,
        private changeDetectorRef: ChangeDetectorRef
    ) { }

    public col_lists = [
        { col_code: 'airlineCode', col_chn: '航空公司代码' },
        { col_code: 'airlineName', col_chn: '航空公司中文名' },
        { col_code: 'briefNameChn', col_chn: '中文简称' },
        { col_code: 'airlineNameEng', col_chn: '航空公司英文名' },
        { col_code: 'briefNameEng', col_chn: '英文简称' },
        { col_code: 'airlineCodeIata', col_chn: 'IATA码' },
        { col_code: 'airlineCodeCaa', col_chn: 'CAA码' },
        { col_code: 'airlineCodeIcao', col_chn: 'ICAO码' },
        { col_code: 'parentAirlineId', col_chn: '上级母公司' },
    ]

    // 搜索条件
    SEARCH = '';    //手动输入条件
    FLT_POS = 1;    //过滤还是定位
    SEL_COL = '';   //选择列名

    airlinegroups: Array<any>; //航空集团
    airlines: Array<any>;
    public row_state: any = { renderFlight: {} };
    public render_data: Array<object> = [];  //显示数据，即需要显示的数据

    //下拉框
    public filterItems = {
        airlineName: '',
        briefNameChn: '',
    }
    ngOnInit() {
        this.airlinegroups = this.basicDataService.airlinegroup;
        this.airlines = this.basicDataService.airline;
        this.render_data = this.basicDataService.airline;
        this.basicDataService.airline_subject.subscribe(
            data => {
                this.airlines = data;
                this.render_data = data;
            }
        )
        this.basicDataService.airlinegroup_subject.subscribe(
            data => this.airlinegroups = data
        )
        /**
         * 固定表头
         */
        var tableCont = document.querySelector('#table-container');
        function scrollHandle() {
            var scrollTop = this.scrollTop;
            this.querySelector('thead').style.transform = 'translateY(' + scrollTop + 'px)';
        }
        tableCont.addEventListener('scroll', scrollHandle);
    }

    /**
     * 选中某行
     * @param i 
     */
    selectRow(i) {
        this.row_state = i;
    }

    //输入框回车事件
    inputEnter() {
        if (this.FLT_POS === 1) {
            this.selectChange()
        } else {
            this.inputPosition(this.render_data)
        }
    }

    //下拉框选择筛选
    selectChange() {
        this.render_data = this.airlines.filter(item => {
            let is_satis = true;
            for (const key in this.filterItems) {
                if (this.filterItems.hasOwnProperty(key) && this.filterItems[key]) {
                    if (item[key] == this.filterItems[key]) {
                        is_satis = true;
                        continue;
                    } else {
                        is_satis = false;
                        break;
                    }
                }
            }
            return is_satis;
        })
        if (this.FLT_POS === 1) {
            this.inputFilter(this.render_data);
        } else {
            this.row_state = this.render_data.length > 0 ? this.render_data[0] : { renderFlight: {} };
        }
    }

    //输入框筛选
    inputFilter(filterData) {
        if (this.SEARCH) {
            if (this.SEL_COL) {
                let sel_col = this.SEL_COL;
                this.render_data = filterData.filter(item => {
                    if (item[sel_col]) {
                        if (item[sel_col].toString().match(new RegExp(this.SEARCH, 'i'))) {
                            return true;
                        }
                    } else {
                        return false;
                    }
                })
            } else {
                this.render_data = filterData.filter(item => {
                    let is_satis = false;
                    let cols = this.col_lists;
                    for (let i = 0; i < cols.length; i++) {
                        if (item[cols[i].col_code]) {
                            if (item[cols[i].col_code].toString().match(new RegExp(this.SEARCH, 'i'))) {
                                is_satis = true;
                                break;
                            } else {
                                is_satis = false;
                                continue;
                            }
                        } else {
                            is_satis = false;
                            continue;
                        }
                    }
                    return is_satis;
                })
            }
        } else {
            this.render_data = filterData;
        }
    }

    positionArray: Array<any> = [];
    positionArrayIndex: number = 0;
    //输入框定位
    inputPosition(filterData) {
        let transArray = []
        if (this.SEL_COL) {
            let sel_col = this.SEL_COL;
            filterData.forEach(element => {
                if (element[sel_col]) {
                    if (element[sel_col].toString().match(new RegExp(this.SEARCH, 'i'))) {
                        transArray.push(element)
                    }
                } else {
                    if (!this.SEARCH) {
                        transArray.push(element)
                    }
                }
            });
        } else {
            filterData.forEach(element => {
                let cols = this.col_lists;
                for (let i = 0; i < cols.length; i++) {
                    if (element[cols[i].col_code]) {
                        if (element[cols[i].col_code].toString().match(new RegExp(this.SEARCH, 'i'))) {
                            transArray.push(element)
                            break;
                        } else {
                            continue;
                        }
                    } else {
                        if (this.SEARCH) {
                            continue;
                        } else {
                            transArray.push(element)
                            break;
                        }
                    }
                }
            });
        }

        if (transArray.length > 0) {
            if (transArray.toString() == this.positionArray.toString()) {
                this.positionArrayIndex++;
                if (this.positionArrayIndex === this.positionArray.length) {
                    this.positionArrayIndex = 0;
                }
                this.row_state = this.positionArray[this.positionArrayIndex];
            } else {
                this.positionArray = transArray;
                this.positionArrayIndex = 0;
                this.row_state = this.positionArray[this.positionArrayIndex];
            }
        } else {
            alert('没有搜索到相关数据');
        }
        this.changeDetectorRef.detectChanges();
        let tr = $(".selected");
        let objTr = tr[0];
        if (objTr) {
            $("#table-container").animate({ scrollTop: objTr.offsetTop - 42 }, "slow");
        }
    }
}