jqwidgets-framework/demos/Typescript/grid/typescript-grid-grouping.ts

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

/// <reference path="../../../jqwidgets-ts/jqwidgets.d.ts" />
function createGridGrouping(selector, expandSelector, collapseSelector, expandallSelector, collapseallSelector, groupnumSelector, expandedgroupLogSelector, collapsedgroupLogSelector) {
    let url = "../../sampledata/customers.xml";
    // prepare the data
    let source =
        {
            datatype: "xml",
            datafields: [
                { name: 'CompanyName', map: 'm\\:properties>d\\:CompanyName', type: 'string' },
                { name: 'ContactName', map: 'm\\:properties>d\\:ContactName', type: 'string' },
                { name: 'ContactTitle', map: 'm\\:properties>d\\:ContactTitle', type: 'string' },
                { name: 'City', map: 'm\\:properties>d\\:City', type: 'string' },
                { name: 'PostalCode', map: 'm\\:properties>d\\:PostalCode', type: 'string' },
                { name: 'Country', map: 'm\\:properties>d\\:Country', type: 'string' }
            ],
            root: "entry",
            record: "content",
            id: 'm\\:properties>d\\:CustomerID',
            url: url
        };
    let dataAdapter = new $.jqx.dataAdapter(source);
    // Create jqxGrid
    // initialization options - validated in typescript
    // jqwidgets.GridOptions has generated TS definition
    let options: jqwidgets.GridOptions = {
        width: 850,
        source: dataAdapter,
        groupable: true,
        columns: [
            { text: 'Company Name', datafield: 'CompanyName', width: 250 },
            { text: 'City', datafield: 'City', width: 120 },
            { text: 'Country', datafield: 'Country' }
        ],
        groups: ['City']
    };

    // creates an instance
    let myGrid: jqwidgets.jqxGrid = jqwidgets.createInstance(selector, 'jqxGrid', options);

    let buttonsOptions: jqwidgets.ButtonOptions = {  };
    let expand: jqwidgets.jqxButton = jqwidgets.createInstance(expandSelector, 'jqxButton', buttonsOptions),
        collapse: jqwidgets.jqxButton = jqwidgets.createInstance(collapseSelector, 'jqxButton', buttonsOptions),
        expandall: jqwidgets.jqxButton = jqwidgets.createInstance(expandallSelector, 'jqxButton', buttonsOptions),
        collapseall: jqwidgets.jqxButton = jqwidgets.createInstance(collapseallSelector, 'jqxButton', buttonsOptions);

    // expand group.
    expand.addEventHandler('click', function () {
        let groupnumContent = (<HTMLInputElement>document.getElementById(groupnumSelector)).value;
        let groupnum = parseInt(groupnumContent);
        if (!isNaN(groupnum)) {
            myGrid.expandgroup(groupnum);
        }
    });

    // collapse group.
    collapse.addEventHandler('click', function () {
        let groupnumContetnt = (<HTMLInputElement>document.getElementById(groupnumSelector)).value;
        let groupnum = parseInt(groupnumContetnt);
        if (!isNaN(groupnum)) {
            myGrid.collapsegroup(groupnum);
        }
    });

    // expand all groups.
    expandall.addEventHandler('click', function () {
        myGrid.expandallgroups();
    });

    // collapse all groups.
    collapseall.addEventHandler('click', function () {
        myGrid.collapseallgroups();
    });

    // trigger expand and collapse events.
    myGrid.addEventHandler('groupexpand', function (event) {
        let expandedgroupLog = document.getElementById(expandedgroupLogSelector);
        expandedgroupLog.innerText = "Group: " + event.args.group + ", Level: " + event.args.level;
    });

    myGrid.addEventHandler('groupcollapse', function (event) {
        let collapsedgroupLog = document.getElementById(collapsedgroupLogSelector);
        collapsedgroupLog.innerText = "Group: " + event.args.group + ", Level: " + event.args.level;
    });
}