How to use

onEvent

method

in

org.apache.wicket.markup.html.panel.Panel

@Override
public void onEvent(IEvent<?> event) {
  super.onEvent(event);
  if (event.getPayload() instanceof MoreInfoSideOpened) {
    MoreInfoSideOpened moreInfoSideOpened = (MoreInfoSideOpened) event.getPayload();
    String script = String.format("$('#%s').show('slide', {direction: 'right', duration: 200});", getMarkupId());
    moreInfoSideOpened.getHandler().appendJavaScript(script);
  }
}

@Override
public void onEvent(IEvent<?> event) {
  super.onEvent(event);
  if (event.getPayload() instanceof SavedQueriesOpened) {
    SavedQueriesOpened savedQueriesOpened = (SavedQueriesOpened) event.getPayload();
    toggle(savedQueriesOpened.getHandler());
  }
}

@Override
public void onEvent(IEvent<?> event) {
  super.onEvent(event);
  if (event.getPayload() instanceof BlobNameChanging) {
    BlobNameChanging payload = (BlobNameChanging) event.getPayload();
    onBlobChange(payload.getHandler());
  }
}

@Override
public void onEvent(IEvent<?> event) {
  super.onEvent(event);
  if (event.getPayload() instanceof BlobNameChanging) {
    /*
     * Blob name is changing and current editor might be inappropriate for current  
     * blob name, so we need to re-create the editor if the form does not have 
     * any change yet
     */
    BlobNameChanging payload = (BlobNameChanging) event.getPayload();
    String script = String.format("onedev.server.blobEdit.onNameChanging('%s', %s, %s);", 
        getMarkupId(), context.getMode() == Mode.ADD, recreateBehavior.getCallbackFunction());
    payload.getHandler().appendJavaScript(script);
  }
}

super.onEvent(event);

  @Override
  public void onEvent(final IEvent<?> event) {
    if (event.getPayload() instanceof SearchClausePanel.SearchEvent) {
      final AjaxRequestTarget target = SearchClausePanel.SearchEvent.class.cast(event.getPayload()).
          getTarget();
      final String fiql = SearchUtils.buildFIQL(anyObjectSearchPanel.getModel().getObject(),
          SyncopeClient.getAnyObjectSearchConditionBuilder(anyObjectSearchPanel.getBackObjectType()));
      AnyDirectoryPanel.class.cast(Specification.this.anyObjectDirectoryPanel).search(fiql, target);
    } else if (event.getPayload() instanceof AnySelectionDirectoryPanel.ItemSelection) {
      final AjaxRequestTarget target = AnySelectionDirectoryPanel.ItemSelection.class.cast(event.
          getPayload()).getTarget();
      AnyTO right = AnySelectionDirectoryPanel.ItemSelection.class.cast(event.getPayload()).getSelection();
      rel.setOtherEndKey(right.getKey());
      Relationships.this.addNewRelationships(rel);
      Relationships.this.addOrReplace(getViewFragment().setRenderBodyOnly(true));
      target.add(Relationships.this);
    } else {
      super.onEvent(event);
    }
  }
}

@Override
public void onEvent(IEvent<?> event) {
  super.onEvent(event);

super.onEvent(event);