jqwidgets-framework
Version:
jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.
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HTML
<html lang="en">
<head>
<title id="Description">Data Filtering API.</title>
<meta name="description" content="Data Filtering API - JavaScript Tree Grid Demo | jQWidgets">
<script type="text/javascript" src="../../../scripts/jquery-1.12.4.min.js"></script>
<link rel="stylesheet" href="../../../jqwidgets/styles/jqx.base.css" type="text/css" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta name="viewport" content="width=device-width, initial-scale=1 maximum-scale=1 minimum-scale=1" />
<script type="text/javascript" src="../../../jqwidgets/jqxcore.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdata.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxbuttons.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxscrollbar.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxlistbox.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdropdownlist.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdatatable.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxtreegrid.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcheckbox.js"></script>
<script type="text/javascript" src="../../../scripts/demos.js"></script>
<script type="text/javascript">
$(document).ready(function () {
// prepare the data
var employees = [{ "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
var source =
{
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: employees
};
var dataAdapter = new $.jqx.dataAdapter(source);
// create Tree Grid
$("#treegrid").jqxTreeGrid(
{
width: 600,
source: dataAdapter,
ready: function () {
// expand row with 'EmployeeKey = 2'
$("#treegrid").jqxTreeGrid('expandRow', 2);
},
columns: [
{ text: 'First Name', dataField: 'FirstName', minWidth: 100, width: 200 },
{ text: 'Last Name', dataField: 'LastName', width: 200 },
{ text: 'City', dataField: 'City' }
]
});
// create buttons, listbox and the columns chooser dropdownlist.
$("#applyFilter").jqxButton();
$("#clearfilter").jqxButton();
$("#filterbox").jqxListBox({ checkboxes: true, width: 160, height: 250 });
$("#columnchooser").jqxDropDownList({
autoDropDownHeight: true, selectedIndex: 0, width: 160, height: 25,
source: [{ label: 'First Name', value: 'FirstName' },
{ label: 'Last Name', value: 'LastName' },
{ label: 'City', value: 'City' }
]
});
// updates the listbox with unique records depending on the selected column.
var updateFilterBox = function (dataField) {
$("#treegrid").jqxTreeGrid('clearFilters');
var filterBoxAdapter = new $.jqx.dataAdapter(source,
{
uniqueDataFields: [dataField],
async: false,
autoBind: true
});
var uniqueRecords = filterBoxAdapter.records;
uniqueRecords.splice(0, 0, '(Select All)');
$("#filterbox").jqxListBox({ source: uniqueRecords, displayMember: dataField });
$("#filterbox").jqxListBox('checkAll');
}
updateFilterBox('FirstName');
// handle select all item.
var handleCheckChange = true;
$("#filterbox").on('checkChange', function (event) {
if (!handleCheckChange)
return;
if (event.args.label != '(Select All)') {
// update the state of the "Select All" listbox item.
handleCheckChange = false;
$("#filterbox").jqxListBox('checkIndex', 0);
var checkedItems = $("#filterbox").jqxListBox('getCheckedItems');
var items = $("#filterbox").jqxListBox('getItems');
if (checkedItems.length == 1) {
$("#filterbox").jqxListBox('uncheckIndex', 0);
}
else if (items.length != checkedItems.length) {
$("#filterbox").jqxListBox('indeterminateIndex', 0);
}
handleCheckChange = true;
}
else {
// check/uncheck all items if "Select All" is clicked.
handleCheckChange = false;
if (event.args.checked) {
$("#filterbox").jqxListBox('checkAll');
}
else {
$("#filterbox").jqxListBox('uncheckAll');
}
handleCheckChange = true;
}
});
// handle columns selection.
$("#columnchooser").on('select', function (event) {
updateFilterBox(event.args.item.value);
});
// builds and applies the filter.
var applyFilter = function (dataField) {
$("#treegrid").jqxTreeGrid('clearFilters');
var filtertype = 'stringfilter';
// create a new group of filters.
var filtergroup = new $.jqx.filter();
// get listbox's checked items.
var checkedItems = $("#filterbox").jqxListBox('getCheckedItems');
if (checkedItems.length == 0) {
var filter_or_operator = 1;
var filtervalue = "Empty";
var filtercondition = 'equal';
var filter = filtergroup.createfilter(filtertype, filtervalue, filtercondition);
filtergroup.addfilter(filter_or_operator, filter);
}
else {
for (var i = 0; i < checkedItems.length; i++) {
var filter_or_operator = 1;
// set filter's value.
var filtervalue = checkedItems[i].label;
// set filter's condition.
var filtercondition = 'equal';
// create new filter.
var filter = filtergroup.createfilter(filtertype, filtervalue, filtercondition);
// add the filter to the filter group.
filtergroup.addfilter(filter_or_operator, filter);
}
}
// add the filters.
$("#treegrid").jqxTreeGrid('addFilter', dataField, filtergroup);
// apply the filters.
$("#treegrid").jqxTreeGrid('applyFilters');
}
// clears the filter.
$("#clearfilter").click(function () {
$("#treegrid").jqxTreeGrid('clearFilters');
});
// applies the filter.
$("#applyFilter").click(function () {
var dataField = $("#columnchooser").jqxDropDownList('getSelectedItem').value;
applyFilter(dataField);
});
});
</script>
</head>
<body class='default'>
<div id='jqxWidget' style="float: left;">
<div style="float: left">
<div>Filter By:</div>
<div id="columnchooser"></div>
<div style="margin-top: 10px;" id="filterbox"></div>
<div style="margin-top: 10px;">
<input type="button" id="applyFilter" value="Apply Filter" />
<input type="button" id="clearfilter" value="Clear Filter" />
</div>
</div>
<div style="margin-left: 20px; float: left" id="treegrid">
</div>
</div>
<div style="position: absolute; bottom: 5px; right: 5px;">
<a href="https://www.jqwidgets.com/" alt="https://www.jqwidgets.com/"><img alt="https://www.jqwidgets.com/" title="https://www.jqwidgets.com/" src="https://www.jqwidgets.com/wp-content/design/i/logo-jqwidgets.png"/></a>
</div>
</body>
</html>