title: How to add a Clickhandler to a cellTable cell (or row )
body: <p>I would like to have a handler on a column of my cellTable.The column is an ImageResourceCell and I would that when I click on it, it delete the row 
  Here is my code </p>
  
  <pre><code>Column&lt;MyObject, ImageResource&gt; imageColumn = 
      new Column&lt;MyObject, ImageResource&gt;(newImageResourceCell()) {
          @Override
          public ImageResource  getValue(MyObject object) {
               return Bundle.Util.getInstance().deleteRegexButton();
          }
      }; 
  cellTable.addColumn(imageColumn,SafeHtmlUtils.fromSafeConstant("&lt;br/&gt;");
  </code></pre>
  
  <p>But I didn't know how to insert a handler as described 
  Is it possible ??</p>
  
  <p>any suggestions are welcome </p>
  
  <p>Thanks. </p>