Java tutorial
/* * Copyright 2012 Lokesh Jain. * * 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.jain.addon.action; import com.jain.addon.JNIComponentInit; import com.jain.addon.JNStyleConstants; import com.jain.addon.StringHelper; import com.jain.addon.action.listener.JNButtonClickListener; import com.jain.addon.authentication.JNILoginListner; import com.jain.addon.resource.PropertyReader; import com.jain.addon.security.JNISecured; import com.vaadin.server.ThemeResource; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; /** * <code>ActionButtonGroup<code> is a horizontal segment component for button action group.<br/> * @author Lokesh Jain * @since November 25, 2012 * @version 1.1.0 */ @SuppressWarnings("serial") public class ActionButtonGroup<T> extends ActionGroup<T> implements JNILoginListner { private final JNButtonClickListener<T> listener; /** * Create a segment instance having {@link Button} style for all the buttons * @param secured -- {@link JNISecured} * @param listener */ public ActionButtonGroup(JNISecured secured, JNButtonClickListener<T> listener) { this(secured, listener, JNStyleConstants.J_FIRST_ACTION, JNStyleConstants.J_LAST_ACTION, JNStyleConstants.J_ACTION); } /** * Create a segment instance having {@link Button} style for all the buttons * @param secured -- {@link JNISecured} * @param listener * @param actionStyle */ public ActionButtonGroup(JNISecured secured, JNButtonClickListener<T> listener, String actionStyle) { this(secured, listener, actionStyle, actionStyle, actionStyle); } /** * Create a segment instance having first {@link Button} and last {@link Button} styles * @param secured -- {@link JNISecured} * @param listener * @param firstActionStyle * @param lastActionStyle */ public ActionButtonGroup(JNISecured secured, JNButtonClickListener<T> listener, String firstActionStyle, String lastActionStyle) { this(secured, listener, firstActionStyle, lastActionStyle, null); } /** * Create a segment instance having first {@link Button}, last {@link Button} and {@link Button} styles * @param secured -- {@link JNISecured} * @param listener * @param firstActionStyle * @param lastActionStyle */ public ActionButtonGroup(JNISecured secured, JNButtonClickListener<T> listener, String firstActionStyle, String lastActionStyle, String actionStyle) { super(secured, firstActionStyle, lastActionStyle, actionStyle); this.listener = listener; setStyleName(JNStyleConstants.J_ACTION_BUTTON_GROUP); } /** * Method to initialize component */ @JNIComponentInit public void initActions() { if (!initialized) { int i = 0; Button actionButton = null; for (JNAction action : actions) { actionButton = new Button(actionsToName.get(action), listener); if (StringHelper.isNotEmptyWithTrim(action.description())) actionButton.setDescription(action.description()); else actionButton.setDescription(actionsToName.get(action)); actionButton.setVisible(validatePermission(action)); findNAddIcon(action, actionButton); if (StringHelper.isNotEmptyWithTrim(getActionStyle())) actionButton.setStyleName(getActionStyle()); if (i == 0) actionButton.addStyleName(getFirstActionStyle()); i++; addComponent(actionButton); setComponentAlignment(actionButton, Alignment.TOP_RIGHT); } if (actionButton != null) actionButton.addStyleName(getLastActionStyle()); initialized = true; } else { throw new IllegalArgumentException("Please add action before adding component into container"); } } private void findNAddIcon(JNAction action, Button actionButton) { if (StringHelper.isNotEmptyWithTrim(action.icon())) { String iconPath = PropertyReader.instance().getProperty(action.icon()); if (StringHelper.isNotEmptyWithTrim(iconPath)) { ThemeResource icon = new ThemeResource(iconPath); actionButton.setIcon(icon); } } } public boolean isShowSelectedAction() { return listener.isShowSelectedAction(); } public void setShowSelectedAction(boolean showSelectedAction) { this.listener.setShowSelectedAction(showSelectedAction); } }