ExtJS Grid with Locking Grid View

Locking Grid View support

by Uzair Ahmed

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/extjs/3.4.1-1/adapter/ext/ext-base.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/extjs/3.4.1-1/ext-all.js"></script>
<script src="http://dev.sencha.com/deploy/ext-3.4.0/examples/ux/LockingGridView.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/extjs/3.4.1-1/resources/css/ext-all.css">
<script src="https://cdn.sencha.com/ext/gpl/3.4.1.1/examples/ux/LockingGridView.js"></script>
<link rel="stylesheet" href="https://cdn.sencha.com/ext/gpl/3.4.1.1/examples/ux/css/LockingGridView.css">

JavaScript

var empData = [{
    'emp_no': '1001',
        'last_name': 'Doe',
        'first_name': 'John',
        'age': '23',
        'doj': '08/06/2009',
    'address': '52nd Cross Street'
}, {
    'emp_no': '1002',
        'last_name': 'Sparrow',
        'first_name': 'Jack',
        'age': '26',
        'doj': '08/12/2010',
        'address': '23rd Street'
}, {
    'emp_no': '1003',
        'last_name': 'Spacey',
        'first_name': 'Kevin',
        'age': '27',
        'doj': '01/23/2011',
    'address': 'Central Park'
}, {
    'emp_no': '1004',
        'last_name': 'Gates',
        'first_name': 'Bill',
        'age': '35',
        'doj': '10/10/2006',
    'address': 'Kings Cross'
}];

var empStore = new Ext.data.JsonStore({
    fields: [{
        name: 'emp_no'
    }, {
        name: 'last_name'
    }, {
        name: 'first_name'
    }, {
        name: 'age',
        type: 'int'
    }, {
        name: 'doj',
        type: 'date',
        dateFormat: 'm/d/Y'
    }, {
        name: 'address'
    }],
    data: empData
});

function showEmpDetails(val, meta, rec, rIndex, cIndex, store) {
    return "<a href='#'>" + val + "</a>";
    //or apply any css class of your choice using
    //meta.css = ‘awesome-font-style’
    //return val;
}

var grid = new Ext.grid.GridPanel({
    store: empStore,
    colModel: new Ext.ux.grid.LockingColumnModel([{
        header: 'Emp No.',
        width: 100,
        sortable: true,
        dataIndex: 'emp_no',
        align: 'center',
        renderer: showEmpDetails,
        locked: true
    }, {
        header: 'Last Name',
        width: 100,
        sortable: true,
        dataIndex: 'last_name',
        locked: true
    }, {
        header: 'First Name',
        width: 100,
        sortable: true,
        dataIndex: 'first_name'
    }, {
        header: 'Age',
        width: 75,
        sortable: true,
        dataIndex: 'age'
    }, {
        header: 'Date of Joining',
        width: 100,
        sortable: true,
        renderer:...