Java tutorial
/* * Copyright 2014 by SCSK Corporation. * * This file is part of PrimeCloud Controller(TM). * * PrimeCloud Controller(TM) 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 2 of the License, or * (at your option) any later version. * * PrimeCloud Controller(TM) 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 PrimeCloud Controller(TM). If not, see <http://www.gnu.org/licenses/>. */ package jp.primecloud.auto.ui; import java.util.Collection; import jp.primecloud.auto.common.status.InstanceStatus; import jp.primecloud.auto.service.dto.InstanceDto; import jp.primecloud.auto.ui.data.InstanceDtoContainer; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.ui.Panel; import com.vaadin.ui.SplitPanel; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.Reindeer; @SuppressWarnings("serial") public class ServerPanel extends Panel { private MainView sender; private ServerButtonsTop serverButtonsTop; ServerTable serverTable; private ServerButtonsBottom serverButtonsBottom; private ServerDesc serverDesc; public ServerPanel(MainView sender) { this.sender = sender; } @Override public void attach() { setSizeFull(); addStyleName(Reindeer.PANEL_LIGHT); VerticalLayout layout = (VerticalLayout) getContent(); layout.setSizeFull(); layout.addStyleName("server-tab"); layout.setSpacing(false); layout.setMargin(false); // ? SplitPanel splitPanel = new SplitPanel(); splitPanel.setOrientation(SplitPanel.ORIENTATION_VERTICAL); splitPanel.setSplitPosition(40); splitPanel.setSizeFull(); layout.addComponent(splitPanel); // ? VerticalLayout upperLayout = new VerticalLayout(); upperLayout.setSizeFull(); upperLayout.setSpacing(false); upperLayout.setMargin(false); serverButtonsTop = new ServerButtonsTop(sender); upperLayout.addComponent(serverButtonsTop); serverTable = new ServerTable(sender); serverTable.setContainerDataSource(new InstanceDtoContainer()); upperLayout.addComponent(serverTable); serverTable.addListener(new ValueChangeListener() { @Override public void valueChange(ValueChangeEvent event) { tableRowSelected(event); } }); serverButtonsBottom = new ServerButtonsBottom(sender); upperLayout.addComponent(serverButtonsBottom); upperLayout.setExpandRatio(serverTable, 10); splitPanel.addComponent(upperLayout); // ? serverDesc = new ServerDesc(sender); splitPanel.addComponent(serverDesc); } public void initialize() { serverButtonsTop.initialize(); serverButtonsBottom.initialize(); } public void refreshTable() { ((InstanceDtoContainer) serverTable.getContainerDataSource()).refresh(); serverTable.setValue(null); serverDesc.initialize(); } public void tableRowSelected(ValueChangeEvent event) { InstanceDto instance = (InstanceDto) serverTable.getValue(); if (instance != null) { serverButtonsBottom.refresh(instance); serverDesc.show(instance); } else { serverButtonsBottom.initialize(); serverDesc.initialize(); } } public void refreshDesc() { InstanceDto instance = (InstanceDto) serverTable.getValue(); serverButtonsTop.initialize(); if (instance != null) { serverButtonsBottom.refresh(instance); serverDesc.show(instance); } else { serverButtonsBottom.initialize(); serverDesc.initialize(); } } public boolean needsRefresh() { Collection<InstanceDto> instances = serverTable.getItemIds(); for (InstanceDto instance : instances) { InstanceStatus status = InstanceStatus.fromStatus(instance.getInstance().getStatus()); if (status == InstanceStatus.STARTING || status == InstanceStatus.STOPPING || status == InstanceStatus.CONFIGURING) { return true; } } return false; } }