Java tutorial
/** * Copyright 2008-2015 Qualogy Solutions B.V. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.qualogy.qafe.mgwt.client.vo.functions.execute; import java.util.List; import com.google.gwt.user.client.ui.UIObject; import com.google.gwt.user.client.ui.Widget; import com.qualogy.qafe.mgwt.client.activities.AbstractActivity; import com.qualogy.qafe.mgwt.client.activities.WindowActivity; import com.qualogy.qafe.mgwt.client.ui.component.IsFocusable; import com.qualogy.qafe.mgwt.client.ui.component.IsStackable; import com.qualogy.qafe.mgwt.client.vo.functions.BuiltInComponentGVO; import com.qualogy.qafe.mgwt.client.vo.functions.BuiltInFunctionGVO; import com.qualogy.qafe.mgwt.client.vo.functions.FocusGVO; import com.qualogy.qafe.mgwt.shared.QAMLUtil; public class FocusExecute extends BuiltInExecute implements ExecuteCommand { public void execute(BuiltInFunctionGVO builtInFunctionGVO, AbstractActivity activity) { if (builtInFunctionGVO instanceof FocusGVO) { FocusGVO focusGVO = (FocusGVO) builtInFunctionGVO; if (activity instanceof WindowActivity) { WindowActivity windowActivity = (WindowActivity) activity; focus(focusGVO, windowActivity); } } FunctionsExecutor.setProcessedBuiltIn(true); } private void focus(FocusGVO focusGVO, WindowActivity activity) { BuiltInComponentGVO builtInComponentGVO = focusGVO.getBuiltInComponentGVO(); List<UIObject> widgets = getWidgets(builtInComponentGVO, activity); if (QAMLUtil.isEmpty(widgets)) { return; } for (UIObject widget : widgets) { if (widget instanceof IsFocusable) { handleParentVisibility(((Widget) widget).getParent()); IsFocusable focusable = (IsFocusable) widget; focusable.setFocus(true); } } } private void handleParentVisibility(Widget widget) { if (widget instanceof IsStackable) { IsStackable stackable = (IsStackable) widget; stackable.setSelected(); } else if (widget != null) { handleParentVisibility(widget.getParent()); } } }