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Open a dialog on ContextMenu item click in JavaScript (ES5) ContextMenu control

This section explains about how to open a dialog on ContextMenu item click. This can be achieved by handling dialog open in select event of the ContextMenu.

In the following sample, Dialog will open while clicking Save As... item.

Source
Preview
index.js
index.html
styles.css
ej.base.enableRipple(true);

var dialog = new ej.popups.Dialog({
    content: "This file can be saved as PDF",
    buttons: [{
        buttonModel: {
            isPrimary: true,
            content: 'Submit',
            cssClass: 'e-flat',
        },
        click: function () {
            this.hide();
        }
    }],
    target: document.getElementById("container"),
    width: '200px',
    height: '110px'
});
// Render initialized Dialog
dialog.appendTo('#dialog');
dialog.hide();

var menuItems = [
    {
        text: 'Back'
    },
    {
        text: 'Forward'
    },
    {
        text: 'Reload'
    },
    {
        separator: true
    },
    {
        text: 'Save As...'
    },
    {
        text: 'Print'
    },
    {
        text: 'Cast'
    }];


var menuOptions = {
    target: '#target',
    items: menuItems,
    select: function(args) {
      if(args.item.text === 'Save As...') {
           dialog.show();
       }
    }
};

var menuObj = new ej.navigations.ContextMenu(menuOptions, '#contextmenu');
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <meta name="description" content="Essential JS 2">
    <meta name="author" content="Syncfusion">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-lists/styles/material.css" rel="stylesheet">

    <!--style reference from app-->
    <link href="styles.css" rel="stylesheet">

    <!--system js reference and configuration-->
    
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <div id="target">Right click / Touch hold to open the ContextMenu</div>
        <ul id="contextmenu"></ul>
        <div id="dialog"></div>
    </div>



<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>
html,
body,    
#container {
    height: 100%;
    overflow: hidden;
    width: 100%;
}

#loader {
  color: #008cff;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

#container {
  visibility: hidden;
}

.list {
  display: none;
}

#target {
  border: 1px dashed;
  height: 150px;
  padding: 10px;
  position: relative;
  text-align: justify;
  color: gray;
  user-select: none;
}