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Keyboard support with IE9

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AsyncUpload
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Shoshanah
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Shoshanah asked on 11 May 2012, 04:08 AM
I am implementing RadAsyncUpload, and need to give keyboard-only users the ability to browse for files to upload. 
Following the Keyboard Support section of the demo site, I have set DisablePlugins=True, and added the recommended javascript to enable the tab and accesskey support. 

I am running into the following issues:
* Tabbing to the control and Select button works, but the Enter key does not activate selection of a file.  
* The accesskey does not activate the Select button at all. 

Any demos/help would be greatly appreciated! 

Here's the code I'm using:

<table id="Table11" cellspacing="1" cellpadding="1" runat="server">
           <tr >
            <td valign="bottom">
            <telerik:RadAsyncUpload
                     ID="RadAsyncUpload1"
                     EnableTheming="true"        TabIndex="1"
                     runat="server"
                     Width="300px"              
                     TargetFolder="~/App_Data"
                     MultipleFileSelection="Automatic"
                     OnClientAdded="keyboardSupport"
                     AccessKey="K"
                     OnClientFileUploading="onClientFileUploading"
                     DisablePlugins="true"/>
            </td>
        </tr>
</table>
 
<script language="javascript" type="text/javascript">
 
  var $ = $telerik.$;
  var $cancelButton;
 
  // keyboardSupport() method activates focusing with TAB key
  function keyboardSupport(sender, args) {
    var $fileInput = $(".ruFileInput", args.get_row());
    $fileInput.attr("tabindex", "1")
 
    var $selectButton = $(".ruButton.ruBrowse", args.get_row());
 
    $fileInput.focus(function (e) {
      $selectButton.css("border", "1px dotted");
    });
 
    $fileInput.blur(function (e) {
      $selectButton.css("border", "0px");
    });
 
    $fileInput.keydown(function (event) {
 
      if (event.keyCode == '13') {
        event.preventDefault();
      }
 
    });
 
    if ($telerik.isIE) {
      $fileInput.keydown(function (e) {
        if (e.keyCode == Sys.UI.Key.tab && e.shiftKey == false) {
          $fileInput.parent().focus();
        }
        if (e.keyCode == Sys.UI.Key.tab && e.shiftKey == true) {
          e.preventDefault();
          if ($cancelButton != undefined)
            $cancelButton.focus();
          else
            $fileInput.parent().focus();
        }
      });
    }
  }
 
  function onClientFileUploading(sender, args) {
    $(".ruFileInput", args.get_row()).attr("tabindex", "-1");
 
    $cancelButton = $(".ruCancel", args.get_row());
    $cancelButton.attr("tabindex", "1");
  }
 
  $(document).keydown(function (e) {
    var accesskey = $find("<%=RadAsyncUpload1.ClientID%>")._accessKey;
  
    if ($telerik.isFirefox) {
      if (e.altKey == true && e.shiftKey == true && e.which == accesskey.charCodeAt()) {
        focusOnFirstInput();
      }
    }
 
    if ($telerik.isChrome || $telerik.isSafari || $telerik.isIE) {
 
      if (e.altKey == true && e.which == accesskey.charCodeAt()) {
        focusOnFirstInput();
      }
    }
  });
 
  function focusOnFirstInput() {
    var firstInput = $("input[type='file']", $get("<%=RadAsyncUpload1.ClientID%>"))[0];
    if (firstInput != undefined) {
      firstInput.focus();
    }
  }
  
  </script>

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Bozhidar
Telerik team
answered on 15 May 2012, 01:23 PM
Hello Shoshanah,

I've modified the page to make it work in IE9 as well. You can find it attached to this reply.
 
Kind regards,
Bozhidar
the Telerik team
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Bozhidar
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