IFrame and the contextmenu

sherbir · September 2nd, 2004, 12:55 AM

Hello All,

Here's my problem...I have designed a simple editor in JSP using IFrame.

In the Iframe, I am calling a local file.

My problem is that I want that the user should not be able to right-click in the IFrame.

What's the Javascript solution to this ?

My code is given below :

<%@ page language="java"%>
<%@ page import="java.io.*"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> edittest.jsp </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<script language="javascript">
document.oncontextmenu=function (){alert("SORRY !! No right-click here.");return false;};

var isHTMLMode=false;
var iViewContentLoaded = false;
var mywin;

function addContent() {
  if(!iViewContentLoaded) {
      if(iView.document.body) {
      var contents = document.f1.textname.value;
      iView.document.body.innerHTML = contents;
      // iView.document.designMode='On';
      iViewContentLoaded = true;
                               }
                            }
                        }
function Init()
{
    iView.document.designMode='On';
    setTimeout("Init2()",1000);
}

function Init2()
{
      var show_data;
      show_data=document.all.unformatted_text.value;
      // alert(show_data);
      document.all("iView").src=show_data;
      iText=getDocument().body.innerText();
      iText.document.oncontextmenu=function() {return false;};
      getDocument.body.innerHTML=iText;
}
</script>

<BODY onLoad="Init()" bgcolor="#ffffff">
<center>

<table id="tblCtrls" width="700px" height="30px" cellspacing="0" cellpadding="0" bgcolor="#efedde" border="1">
    <tr align="left">
        <td class="tdClass" align="center">
            <b>[u]Resume-Editor</u></b>
        </td>
    </tr>
<table>

<table id="tblCtrls" width="700px" height="30px" cellspacing="0" cellpadding="0" bgcolor="#efedde" border="1">
    <tr>
        <td class="tdClass" align="center">
            <a href="javascript:mode()"><b>Edit</b></a>
        </td>
        </tr>
</table>

<iframe id="iView" style="width: 700px ; height: 345px" border="10" oncontextmenu="return false;">
</iframe>

<input type=hidden name=unformatted_text value="c:\\demo\\resume_file.html">

</center>
</BODY>
</HTML>

How am I supposed to stop the right-click in the editor ? The idea works if I right-click in the main document but doesn't work in the IFrame.

Also, I want to stop any keyboard inputs within the IFrame except the spacebar.

Please help !!

Regards,
Sherbir

joefawcett · September 2nd, 2004, 09:06 AM

Here's a simple example, try right clicking before and after pressing the button. Beware, if you have the iframe's document from a different source to your main page then you will be denied access to the document.

Code:

<html>
<head>
<title>Disable Context Menu</title>
<script type="text/jscript">
  function disableContextMenu()
  {
    window.frames["fraDisabled"].document.oncontextmenu = function(){alert("No way!"); return false;};   
    // Or use this
    // document.getElementById("fraDisabled").contentWindow.document.oncontextmenu = function(){alert("No way!"); return false;};;    
  }  
</script>
</head>
<body bgcolor="#FFFFFF">
<input type="button" value="Disable Context Menu" onclick="disableContextMenu();"><br><br>
<iframe id="fraDisabled" width="200" height="200" src="nocontext.htm"></iframe>
</body>
</html>

--

Joe

sherbir · September 3rd, 2004, 01:44 AM

Quote:

quote:Originally posted by joefawcett
Here's a simple example, try right clicking before and after pressing the button. Beware, if you have the iframe's document from a different source to your main page then you will be denied access to the document.

Code:

<html>
<head>
<title>Disable Context Menu</title>
<script type="text/jscript">
  function disableContextMenu()
  {
    window.frames["fraDisabled"].document.oncontextmenu = function(){alert("No way!"); return false;};   
    // Or use this
    // document.getElementById("fraDisabled").contentWindow.document.oncontextmenu = function(){alert("No way!"); return false;};;    
  }  
</script>
</head>
<body bgcolor="#FFFFFF">
<input type="button" value="Disable Context Menu" onclick="disableContextMenu();"><br><br>
<iframe id="fraDisabled" width="200" height="200" src="nocontext.htm"></iframe>
</body>
</html>

--

Joe

Hey thanx abunch Joe. Urs was an eye opener !! It works fantastic.

But can u explain to me why I get Access Denied and what's the way to avoid that in case I want to call a different file in the iframe ?

Also I'd like to know how to trap keypress events in the iframe.

Regards,
Sherbir

joefawcett · September 3rd, 2004, 03:44 AM

Access is denied if the documents are from different domains, it's a security issue to stop malevolent pages opening your previously viewed pages in an iframe and reading form data.
You can trap keypress by having a handler for onkeydown or onkeypress.

--
Joe

sherbir · September 3rd, 2004, 11:48 PM

Quote:

quote:Originally posted by joefawcett
Access is denied if the documents are from different domains, it's a security issue to stop malevolent pages opening your previously viewed pages in an iframe and reading form data.
You can trap keypress by having a handler for onkeydown or onkeypress.

--
Joe

Thanx again Joe. I appreciate ur prompt reply. Thanx agin 4 helping me solve my problems.

Regards,
Sherbir

lizrosenshine · April 27th, 2006, 08:01 PM

Hi,

I am having a problem with having an IFrame that simply has a jpg as it's source. i'm trying to disable right click, but no scripts seem to apply to the IFrame. Neither does any of the encrypt software out there.

I have this:
<IFRAME src="nbd_6b_s1.jpg" name=image scrolling=no frameBorder=0 width=255 height=360></IFRAME>

and i've tried disabling right click with html in the body tag and the no-right click software, but it doesn't apply to the IFrame. i tried to manipulate the information I saw posted below, but am not that coherent in java script. Any help, direction, ANYTHING would be greatly appreciated.

Thanks,
Liz

vinod_yadav1919 · April 28th, 2006, 01:48 AM

Hi lizrosenshine!!

Plz check this link

http://p2p.wrox.com/topic.asp?TOPIC_ID=43509

Cheers :)

vinod