Java tutorial
/* * This file is distributed as part of the MariaDB Manager. It 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, * version 2. * * This program 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 * this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Copyright 2012-2014 SkySQL Corporation Ab */ package com.skysql.manager.ui; import com.skysql.manager.SystemRecord; import com.skysql.manager.api.SystemInfo; import com.skysql.manager.ui.components.ComponentButton; import com.vaadin.server.VaadinSession; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.UI; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.Window; import com.vaadin.ui.Window.CloseEvent; /** * The Class SystemDialog. */ public class SystemDialog implements Window.CloseListener { private static final long serialVersionUID = 0x4C656F6E6172646FL; private Window dialogWindow; private HorizontalLayout buttonsBar; private Button commitButton; private final SystemRecord systemRecord; private final SystemForm systemForm; private final ComponentButton button; /** * Instantiates a new system dialog. * * @param systemRecord the system record * @param button the button */ public SystemDialog(final SystemRecord systemRecord, final ComponentButton button) { this.button = button; String windowTitle = (systemRecord != null) ? "Edit System: " + systemRecord.getName() : "Add System"; dialogWindow = new ModalWindow(windowTitle, "350px"); dialogWindow.addCloseListener(this); UI.getCurrent().addWindow(dialogWindow); HorizontalLayout wrapper = new HorizontalLayout(); wrapper.setWidth("100%"); wrapper.setMargin(true); buttonsBar = new HorizontalLayout(); buttonsBar.setStyleName("buttonsBar"); buttonsBar.setSizeFull(); buttonsBar.setSpacing(true); buttonsBar.setMargin(true); buttonsBar.setHeight("49px"); Label filler = new Label(); buttonsBar.addComponent(filler); buttonsBar.setExpandRatio(filler, 1.0f); VerticalLayout windowLayout = (VerticalLayout) dialogWindow.getContent(); windowLayout.setSpacing(false); windowLayout.setMargin(false); windowLayout.addComponent(wrapper); windowLayout.addComponent(buttonsBar); commitButton = new Button(); if (systemRecord == null) { this.systemRecord = new SystemRecord(SystemInfo.SYSTEM_ROOT); systemForm = new SystemForm(this.systemRecord, "Add a System", commitButton); saveSystem("Add System"); } else { this.systemRecord = systemRecord; systemForm = new SystemForm(systemRecord, "Edit an existing System", commitButton); saveSystem("Save Changes"); } wrapper.addComponent(systemForm); } /** * Save system. * * @param okButtonCaption the ok button caption */ private void saveSystem(final String okButtonCaption) { commitButton.setCaption(okButtonCaption); final Button cancelButton = new Button("Cancel"); buttonsBar.addComponent(cancelButton); buttonsBar.setComponentAlignment(cancelButton, Alignment.MIDDLE_RIGHT); cancelButton.addClickListener(new Button.ClickListener() { private static final long serialVersionUID = 0x4C656F6E6172646FL; public void buttonClick(ClickEvent event) { windowClose(null); } }); commitButton.addClickListener(new Button.ClickListener() { private static final long serialVersionUID = 0x4C656F6E6172646FL; public void buttonClick(ClickEvent event) { if (systemForm.validateSystem()) { if (systemRecord.save()) { if (button != null) { button.setName(systemRecord.getName()); button.setDescription(systemRecord.ToolTip()); if (button.isSelected()) { TabbedPanel tabbedPanel = VaadinSession.getCurrent() .getAttribute(TabbedPanel.class); tabbedPanel.refresh(); } } else { OverviewPanel overviewPanel = VaadinSession.getCurrent() .getAttribute(OverviewPanel.class); overviewPanel.refresh(); } windowClose(null); } } } }); buttonsBar.addComponent(commitButton); buttonsBar.setComponentAlignment(commitButton, Alignment.MIDDLE_RIGHT); } /* (non-Javadoc) * @see com.vaadin.ui.Window.CloseListener#windowClose(com.vaadin.ui.Window.CloseEvent) */ public void windowClose(CloseEvent e) { dialogWindow.close(); } }