import { Component, ViewChild } from '@angular/core';

import { jqxTreeGridComponent } from 'jqwidgets-ng/jqxtreegrid';
import { jqxButtonComponent } from 'jqwidgets-ng/jqxbuttons';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})

export class AppComponent {
    @ViewChild('TreeGrid', { static: false }) treeGrid: jqxTreeGridComponent;

    employees: any[] = [{ 'EmployeeID': 1, 'FirstName': 'Nancy', 'LastName': 'Davolio', 'ReportsTo': 2, 'Country': 'USA', 'Title': 'Sales Representative', 'HireDate': '1992-05-01 00:00:00', 'BirthDate': '1948-12-08 00:00:00', 'City': 'Seattle', 'Address': '507 - 20th Ave. E.Apt. 2A' }, { 'EmployeeID': 2, 'FirstName': 'Andrew', 'LastName': 'Fuller', 'ReportsTo': null, 'Country': 'USA', 'Title': 'Vice President, Sales', 'HireDate': '1992-08-14 00:00:00', 'BirthDate': '1952-02-19 00:00:00', 'City': 'Tacoma', 'Address': '908 W. Capital Way' }, { 'EmployeeID': 3, 'FirstName': 'Janet', 'LastName': 'Leverling', 'ReportsTo': 2, 'Country': 'USA', 'Title': 'Sales Representative', 'HireDate': '1992-04-01 00:00:00', 'BirthDate': '1963-08-30 00:00:00', 'City': 'Kirkland', 'Address': '722 Moss Bay Blvd.' }, { 'EmployeeID': 4, 'FirstName': 'Margaret', 'LastName': 'Peacock', 'ReportsTo': 2, 'Country': 'USA', 'Title': 'Sales Representative', 'HireDate': '1993-05-03 00:00:00', 'BirthDate': '1937-09-19 00:00:00', 'City': 'Redmond', 'Address': '4110 Old Redmond Rd.' }, { 'EmployeeID': 5, 'FirstName': 'Steven', 'LastName': 'Buchanan', 'ReportsTo': 2, 'Country': 'UK', 'Title': 'Sales Manager', 'HireDate': '1993-10-17 00:00:00', 'BirthDate': '1955-03-04 00:00:00', 'City': 'London', 'Address': '14 Garrett Hill' }, { 'EmployeeID': 6, 'FirstName': 'Michael', 'LastName': 'Suyama', 'ReportsTo': 5, 'Country': 'UK', 'Title': 'Sales Representative', 'HireDate': '1993-10-17 00:00:00', 'BirthDate': '1963-07-02 00:00:00', 'City': 'London', 'Address': 'Coventry House Miner Rd.' }, { 'EmployeeID': 7, 'FirstName': 'Robert', 'LastName': 'King', 'ReportsTo': 5, 'Country': 'UK', 'Title': 'Sales Representative', 'HireDate': '1994-01-02 00:00:00', 'BirthDate': '1960-05-29 00:00:00', 'City': 'London', 'Address': 'Edgeham Hollow Winchester Way' }, { 'EmployeeID': 8, 'FirstName': 'Laura', 'LastName': 'Callahan', 'ReportsTo': 2, 'Country': 'USA', 'Title': 'Inside Sales Coordinator', 'HireDate': '1994-03-05 00:00:00', 'BirthDate': '1958-01-09 00:00:00', 'City': 'Seattle', 'Address': '4726 - 11th Ave. N.E.' }, { 'EmployeeID': 9, 'FirstName': 'Anne', 'LastName': 'Dodsworth', 'ReportsTo': 5, 'Country': 'UK', 'Title': 'Sales Representative', 'HireDate': '1994-11-15 00:00:00', 'BirthDate': '1966-01-27 00:00:00', 'City': 'London', 'Address': '7 Houndstooth Rd.' }];
        // prepare the data

	getWidth() : any {
		if (document.body.offsetWidth < 850) {
			return '90%';
		}
		
		return 850;
	}


    source: any =
    {
        dataType: 'json',
        dataFields: [
            { name: 'EmployeeID', type: 'number' },
            { name: 'ReportsTo', type: 'number' },
            { name: 'FirstName', type: 'string' },
            { name: 'LastName', type: 'string' },
            { name: 'Country', type: 'string' },
            { name: 'City', type: 'string' },
            { name: 'Address', type: 'string' },
            { name: 'Title', type: 'string' },
            { name: 'HireDate', type: 'date' },
            { name: 'BirthDate', type: 'date' }
        ],
        hierarchy:
        {
            keyDataField: { name: 'EmployeeID' },
            parentDataField: { name: 'ReportsTo' }
        },
        id: 'EmployeeID',
        localData: this.employees
    };

    dataAdapter: any = new jqx.dataAdapter(this.source);
       
    columns: any[] = [
        { text: 'FirstName', dataField: 'FirstName', width: 200 },
        { text: 'LastName', dataField: 'LastName', width: 170 },
        { text: 'Title', dataField: 'Title', width: 160 },
        { text: 'Birth Date', dataField: 'BirthDate', cellsFormat: 'd', width: 120 },
        { text: 'Hire Date', dataField: 'HireDate', cellsFormat: 'd', width: 120 },
        { text: 'Address', dataField: 'Address', width: 250 },
        { text: 'City', dataField: 'City', width: 120 },
        { text: 'Country', dataField: 'Country' }
    ];

    ready(): void {
        this.treeGrid.expandRow(2);
    };

    printClick(): void {
        let gridContent = this.treeGrid.exportData('html');
        let newWindow = window.open('', '', 'width=800, height=500'),
            document = newWindow.document.open(),
            pageContent =
                '<!DOCTYPE html>' +
                '<html>' +
                '<head>' +
                '<meta charset="utf-8" />' +
                '<title>jQWidgets TreeGrid</title>' +
                '</head>' +
                '<body>' + gridContent + '</body></html>';
        document.write(pageContent);
        document.close();
        newWindow.print();
    };
}