jqwidgets-scripts-custom
Version:
jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.
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HTML
<html lang="en">
<head>
<title id='Description'>TreeGrid Custom Element FilteringAPI</title>
<meta name="description" content="This is an example of the filtering API in TreeGrid Custom Element." />
<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" />
<link rel="stylesheet" href="../../../jqwidgets/styles/jqx.base.css" type="text/css" />
<link rel="stylesheet" href="../../../styles/demos.css" type="text/css" />
<script type="text/javascript" src="../../../scripts/webcomponents-lite.min.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcore.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcore.elements.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">
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.'
}
];
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);
JQXElements.settings['treeGridSettings'] =
{
source: dataAdapter,
ready: function () {
var myTreeGrid = document.querySelector('jqx-tree-grid');
myTreeGrid.expandRow(2);
},
columns: [
{ text: 'First Name', dataField: 'FirstName', minWidth: 100, width: 200 },
{ text: 'Last Name', dataField: 'LastName', width: 200 },
{ text: 'City', dataField: 'City' }
]
};
JQXElements.settings['dropDownListSettings'] =
{
autoDropDownHeight: true,
source: [{ label: 'First Name', value: 'FirstName' },{ label: 'Last Name', value: 'LastName' },{ label: 'City', value: 'City' }]
};
JQXElements.settings['listBoxSettings'] =
{
checkboxes: true
};
window.onload = function() {
var myTreeGrid = document.querySelector('jqx-tree-grid');
var myDropDownList = document.querySelector('jqx-drop-down-list');
var myListBox = document.querySelector('jqx-list-box');
var myButtons = document.querySelectorAll('jqx-button');
var handleCheckChange = true;
var updatemyListBox = function (dataField) {
myTreeGrid.clearFilters();
var myListBoxAdapter = new jqx.dataAdapter(source,
{
uniqueDataFields: [dataField],
async: false,
autoBind: true
});
var uniqueRecords = myListBoxAdapter.records;
uniqueRecords.splice(0, 0, '(Select All)');
myListBox.source = uniqueRecords;
myListBox.displayMember = dataField;
myListBox.checkAll();
};
var applyFilter = function (dataField) {
myTreeGrid.clearFilters();
var filtertype = 'stringfilter';
var filtergroup = new jqx.filter();
var checkedItems = myListBox.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;
var filtervalue = checkedItems[i].label;
var filtercondition = 'equal';
var filter = filtergroup.createfilter(filtertype, filtervalue, filtercondition);
filtergroup.addfilter(filter_or_operator, filter);
}
}
myTreeGrid.addFilter(dataField, filtergroup);
myTreeGrid.applyFilters();
}
myDropDownList.addEventListener('select', function (event) {
updatemyListBox(event.args.item.value);
});
myDropDownList.selectedIndex = 0;
myListBox.addEventListener('checkChange', function(event) {
if(!handleCheckChange)
return;
if (event.args.label != '(Select All)') {
handleCheckChange = false;
myListBox.checkIndex(0);
var checkedItems = myListBox.getCheckedItems();
var items = myListBox.getItems();
if (checkedItems.length == 1) {
myListBox.uncheckIndex(0);
}
else if (items.length != checkedItems.length) {
myListBox.indeterminateIndex(0);
}
handleCheckChange = true;
} else {
handleCheckChange = false;
event.args.checked ? myListBox.checkAll() : myListBox.uncheckAll();
handleCheckChange = true;
}
});
myButtons[0].addEventListener('click', function () {
var dataField = myDropDownList.getSelectedItem().value;
applyFilter(dataField);
});
myButtons[1].addEventListener('click', function () {
myTreeGrid.clearFilters();
});
};
</script>
</head>
<body>
<div class="example-description">
Data Filtering API in Tree Grid Custom Element.
</div>
<jqx-tree-grid settings="treeGridSettings"></jqx-tree-grid>
<br />
<div>
<div>Filter By:</div>
<jqx-drop-down-list settings="dropDownListSettings"></jqx-drop-down-list>
<div style="margin-top: 10px"></div>
<jqx-list-box settings="listBoxSettings"></jqx-list-box>
<div style="margin-top: 10px">
<jqx-button>Apply Filter</jqx-button>
<jqx-button>Clear Filter</jqx-button>
</div>
</div>
</body>
</html>