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POHow to fire an event whenever a tab got inserted into or got removed out of TabLayoutPanel in Gwt?
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2013-10-08T12:01:33.407
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2013-10-09T10:23:17.773
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I have a TabLayoutPanel. At the beginning, TabLayoutPanel has no Tab. Users can add as many tabs into it as they can. They can also remove all the tabs. My requirement is: I want to set button enabled = true whenever the TabLayoutPanel has at least 1 tab. If it has no tab, then set button enabled = false. <pre><code> getView().getMainTabLayoutPanel().addAttachHandler(new AttachEvent.Handler(){ @Override public void onAttachOrDetach(AttachEvent event) { int currentSelectedTabInt=getView().getMainTabLayoutPanel().getSelectedIndex(); if(currentSelectedTabInt>-1){ getView().getMyButton().setEnabled(true); } } }); </code></pre> The above code doesn't work. So how to fire an event whenever a tab got inserted into or got removed out of TabLayoutPanel in Gwt?
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<gwt><uibinder><gwtp>
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How to fire an event whenever a tab got inserted into or got removed out of TabLayoutPanel in Gwt?
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