jqwidgets-framework
Version:
jQWidgets is an advanced jQuery, Angular, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.
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HTML
<html lang="en">
<head>
<title id='Description'>Custom Element ComboBox CheckBoxes</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 shows how to display check boxes in the Custom Element ComboBox." />
<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/jqxcombobox.js"></script>
<script type="text/javascript" src="../jqwidgets/jqxcheckbox.js"></script>
<script type="text/javascript" src="../scripts/demos.js"></script>
<script>
var source =
{
datatype: 'json',
datafields: [
{ name: 'CompanyName' },
{ name: 'ContactName' }
],
id: 'id',
url: '../sampledata/customers.txt'
};
var dataAdapter = new jqx.dataAdapter(source);
JQXElements.settings['ComboBox'] =
{
checkboxes: true,
source: dataAdapter,
displayMember: 'ContactName',
valueMember: 'CompanyName'
}
window.onload = function() {
var myComboBox = document.querySelector('jqx-combo-box');
var mySelectedLog = document.querySelector('#selectionlog');
var myCheckedLog = document.querySelector('#checkedItemsLog');
myComboBox.checkIndex(0);
myComboBox.addEventListener('checkChange', function(event) {
if (event.args) {
var item = event.args.item;
if (item) {
var valueelement = document.createElement('div');
valueelement.innerHTML = 'Value: ' + item.value;
var labelelement = document.createElement('div');
labelelement.innerHTML = 'Label: ' + item.label;
var checkedelement = document.createElement('div');
checkedelement.innerHTML = 'Checked: ' + item.checked;
mySelectedLog.innerHTML = null;
mySelectedLog.appendChild(labelelement);
mySelectedLog.appendChild(valueelement);
mySelectedLog.appendChild(checkedelement);
var items = myComboBox.getCheckedItems();
var checkedItems = '';
items.forEach(item => {
checkedItems += item.label + ", ";
});
myCheckedLog.innerHTML = checkedItems;
}
}
});
}
</script>
</head>
<body>
<div class="example-description">
In this demo is illustrated how to display checkboxes next to the Custom element ComboBox items. The combobox's input field in this mode is readonly.
</div>
<jqx-combo-box settings="ComboBox" style='float: left;'></jqx-combo-box>
<div style="float: left; margin-left: 20px; font-size: 13px; font-family: Verdana;">
<div id="selectionlog"></div>
<div style='max-width: 300px; margin-top: 20px;' id="checkedItemsLog"></div>
</div>
</body>
</html>