Java tutorial
/** * This file is part of mycollab-mobile. * * mycollab-mobile is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mycollab-mobile is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with mycollab-mobile. If not, see <http://www.gnu.org/licenses/>. */ package com.mycollab.mobile.ui; import com.mycollab.common.i18n.GenericI18Enum; import com.mycollab.core.MyCollabException; import com.mycollab.vaadin.UserUIContext; import com.mycollab.vaadin.ui.FieldSelection; import com.vaadin.addon.touchkit.ui.NavigationButton; import com.vaadin.ui.Component; import com.vaadin.ui.CustomField; /** * @author MyCollab Ltd. * @since 4.3.1 */ public abstract class AbstractSelectionCustomField<T, B> extends CustomField<T> implements FieldSelection<B> { private static final long serialVersionUID = 1L; protected NavigationButton navButton; protected B beanItem; public AbstractSelectionCustomField(Class<? extends AbstractSelectionView<B>> targetSelectionView) { try { final AbstractSelectionView<B> selectionView = targetSelectionView.newInstance(); selectionView.setSelectionField(this); navButton = new NavigationButton(UserUIContext.getMessage(GenericI18Enum.BUTTON_SELECT), selectionView); navButton.setTargetView(selectionView); navButton.setWidth("100%"); navButton.addClickListener(navigationButtonClickEvent -> selectionView.load()); } catch (SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException e) { throw new MyCollabException(e); } } @Override protected Component initContent() { return navButton; } }