jqwidgets-scripts-custom
Version:
jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.
198 lines (177 loc) • 8.96 kB
HTML
<html lang="en">
<head>
<title id='Description'>Grid Custom Element CustomFiltering</title>
<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" />
<meta name="description" content="This example illustrates how to create and apply a custom filter to Custom element Grid." />
<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/jqxmenu.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxgrid.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxgrid.filter.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxgrid.sort.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxgrid.selection.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxpanel.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcheckbox.js"></script>
<script type="text/javascript" src="../../sampledata/generatedata.js"></script>
<script type="text/javascript" src="../../../scripts/demos.js"></script>
<script type="text/javascript">
var source =
{
localdata: generatedata(200),
datafields:
[
{ name: 'firstname', type: 'string' },
{ name: 'lastname', type: 'string' },
{ name: 'productname', type: 'string' },
{ name: 'date', type: 'date' },
{ name: 'quantity', type: 'number' },
{ name: 'price', type: 'number' }
],
datatype: 'array'
};
var dataAdapter = new jqx.dataAdapter(source);
JQXElements.settings['gridSettings'] =
{
source: dataAdapter,
filterable: false,
width: 500,
sortable: true,
autoshowfiltericon: false,
columns: [
{ text: 'First Name', datafield: 'firstname', width: 100 },
{ text: 'Last Name', datafield: 'lastname', width: 100 },
{ text: 'Product', datafield: 'productname', width: 180 },
{ text: 'Order Date', datafield: 'date', width: 100, cellsformat: 'd' },
{ text: 'Quantity', datafield: 'quantity', width: 80, cellsalign: 'right' },
{ text: 'Unit Price', datafield: 'price', cellsalign: 'right', cellsformat: 'c2' }
]
};
JQXElements.settings['dropDownListSettings'] =
{
selectedIndex: 0, autoDropDownHeight: true,
source: [
{ label: 'First Name', value: 'firstname' },
{ label: 'Last Name', value: 'lastname' },
{ label: 'Product', value: 'productname' },
{ label: 'Order Date', value: 'date' },
{ label: 'Quantity', value: 'quantity' },
{ label: 'Unit Price', value: 'price' }
]
};
JQXElements.settings['listBoxSettings'] =
{
checkboxes: true
};
window.onload = function() {
var myGrid = document.querySelector('jqx-grid');
var myDropDownList = document.querySelector('jqx-drop-down-list');
var myListBox = document.querySelector('jqx-list-box');
var myButtons = document.querySelectorAll('jqx-button');
var updateFilterBox = datafield => {
var filterBoxAdapter = new jqx.dataAdapter(source,
{
uniqueDataFields: [datafield],
autoBind: true
});
var uniqueRecords = filterBoxAdapter.records;
uniqueRecords.splice(0, 0, '(Select All)');
myListBox.source = uniqueRecords;
myListBox.displayMember = datafield;
myListBox.checkAll();
}
updateFilterBox('firstname');
var handleCheckChange = true;
myListBox.addEventListener('checkChange', 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;
if (event.args.checked) {
myListBox.checkAll();
}
else {
myListBox.uncheckAll();
}
handleCheckChange = true;
}
});
myDropDownList.addEventListener('select', event => {
updateFilterBox(event.args.item.value);
});
var applyFilter = datafield => {
myGrid.clearfilters();
var filtertype = 'stringfilter';
if (datafield == 'date') filtertype = 'datefilter';
if (datafield == 'price' || datafield == 'quantity') filtertype = 'numericfilter';
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);
}
}
myGrid.addfilter(datafield, filtergroup);
myGrid.applyfilters();
}
myButtons[0].addEventListener('click', function() {
var dataField = myDropDownList.getSelectedItem().value;
applyFilter(dataField);
});
myButtons[1].addEventListener('click', function() {
myGrid.clearfilters();
});
};
</script>
</head>
<body>
<div class="example-description">
This example illustrates how to create and apply a custom filter to Custom element Grid.
</div>
<div style="float: left">
<div>Choose Column:</div>
<jqx-drop-down-list settings="dropDownListSettings"></jqx-drop-down-list>
<jqx-list-box style="margin-top: 10px;" settings="listBoxSettings"></jqx-list-box>
<div style="margin-top: 10px;">
<jqx-button>Apply Filter</jqx-button>
<jqx-button>Clear Filter</jqx-button>
</div>
</div>
<div style="float: left; margin-left: 20px;">
<jqx-grid settings="gridSettings"></jqx-grid>
</div>
</body>
</html>