gwt:adding clickhandler to ImageResource cell

I want to add an image to my celltable , for that i use imageResouce as below

         interface Resources extends ClientBundle {
         @Source("close.png")
         ImageResource getImageResource();
          }

         Resources resources = GWT.create(Resources.class);

         deleteJobColumn = new Column<EmployerJobs, ImageResource>(new ImageResourceCell()) {
        @Override
        public ImageResource getValue(EmployerJobs object) {
              return resources.getImageResource();
        }
    };

Its working perfectly fine , i am getting image in my celltable but Now i want to add clickhandler to that image ,For that i am using field Updater like below

         display.getListJobsWidget().getDeleteJobColumn().setFieldUpdater(

            new FieldUpdater<EmployerJobs, ImageResource>() {

                public void update(int index, EmployerJobs employerJobs,
                        ImageResource value) {

                                       Window.alert("Hello");

                }
            });

so now when i click on that above image cell it should say "Hello", but its not doing any thing .. Any solution ..

Thanks

ImageResourceCell doesn't have any wiring to call the ValueUpdater, it is just designed to draw the image and be done with it.

You have a few ways you can change this:

• Subclass ImageResourceCell and override onBrowserEvent - take a look at ButtonCell to see how this can work
• Use a different cell class instead, like ActionCell - this doesn't take any data from the client, but will let you pass in a delegate isntead, which will be run when the thing is clicked. Use the ActionCell(SafeHtml,Delegate<C>) constructor to pass in your image, in the form of html
• Build a new cell, subclassing AbstractCell, borrowing the render code from ImageResourceCell and the event code from ButtonCell or ActionCell to keep your code as generic and reusable as possible.