Java tutorial
/******************************************************************************* * Copyright 2011 Alex 'Ript' Malyshev <alexript@gmail.com> * * 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 net.autosauler.ballance.client.gui; import java.util.Set; import net.autosauler.ballance.client.Ballance_autosauler_net; import net.autosauler.ballance.client.databases.StructureFactory; import net.autosauler.ballance.client.gui.images.Images; import net.autosauler.ballance.client.gui.messages.M; import net.autosauler.ballance.shared.UserRole; import com.extjs.gxt.ui.client.widget.ContentPanel; import com.extjs.gxt.ui.client.widget.layout.AccordionLayout; import com.extjs.gxt.ui.client.widget.layout.FitLayout; import com.google.gwt.i18n.client.LocaleInfo; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.user.client.ui.AbstractImagePrototype; import com.google.gwt.user.client.ui.HasVerticalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Hyperlink; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.VerticalPanel; /** * The Class LeftMenu. */ public class LeftMenu { /** The panel. */ private final ContentPanel panel; /** The role. */ private UserRole role = null; /** * Instantiates a new left menu. */ public LeftMenu(ContentPanel parent) { panel = new ContentPanel(); panel.setHeaderVisible(false); panel.setLayout(new AccordionLayout()); panel.setWidth("240px"); buildContent(); parent.add(panel); } /** * Builds the admin pane. */ private void buildAdminPane() { if (role.isAdmin()) { ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(true); cp.setHeading(M.menu.adminPanel()); cp.setIcon(AbstractImagePrototype.create(Images.menu.adminPanel())); cp.setLayout(new FitLayout()); VerticalPanel adminpanel = new VerticalPanel(); adminpanel.add(getMenuItem(M.menu.itemDatabase(), "dbpane", Images.menu.icoDatabase())); adminpanel.add(getMenuItem(M.menu.itemUsers(), "editusers", Images.menu.icoUser())); adminpanel.add(getMenuItem(M.menu.itemStructure(), "editstruct", Images.menu.Structure())); adminpanel.add(getMenuItem(M.menu.itemDocumentation(), "editdoc", Images.menu.Structure())); cp.add(adminpanel); panel.add(cp); } } /** * Builds the content. */ public void buildContent() { clear(); role = Ballance_autosauler_net.sessionId.getUserrole(); buildAdminPane(); buildDocumentsPane(); buildFinancesPane(); buildManagerPane(); buildForAllPane(); buildGuestPane(); panel.recalculate(); panel.layout(true); // hack for forced redraw after rebuild } /** * Builds the documents pane. */ private void buildDocumentsPane() { if (role.isAdmin() || role.isDocuments()) { ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(true); cp.setHeading(M.menu.documentsPanel()); cp.setIcon(AbstractImagePrototype.create(Images.menu.documentsPanel())); cp.setLayout(new FitLayout()); VerticalPanel documentspanel = new VerticalPanel(); Set<String> items = StructureFactory.getMenuItemsFor(UserRole.ROLE_DOCUMENTS); for (String item : items) { String itemname = StructureFactory.getDescription(item).getName() .getName(LocaleInfo.getCurrentLocale().getLocaleName()); documentspanel.add(getMenuItem(itemname, item, StructureFactory.getMenuIcon(item))); } cp.add(documentspanel); panel.add(cp); } } /** * Builds the finances pane. */ private void buildFinancesPane() { if (role.isAdmin() || role.isFinances()) { ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(true); cp.setHeading(M.menu.financesPanel()); cp.setIcon(AbstractImagePrototype.create(Images.menu.financesPanel())); cp.setLayout(new FitLayout()); VerticalPanel financesspanel = new VerticalPanel(); Set<String> items = StructureFactory.getMenuItemsFor(UserRole.ROLE_FINANCES); for (String item : items) { String itemname = StructureFactory.getDescription(item).getName() .getName(LocaleInfo.getCurrentLocale().getLocaleName()); financesspanel.add(getMenuItem(itemname, item, StructureFactory.getMenuIcon(item))); } cp.add(financesspanel); panel.add(cp); } } /** * Builds the for all pane. */ private void buildForAllPane() { if (!role.isGuest()) { ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(true); cp.setHeading(M.menu.forAllPanel()); cp.setIcon(AbstractImagePrototype.create(Images.menu.forAllPanel())); cp.setLayout(new FitLayout()); VerticalPanel allpanel = new VerticalPanel(); allpanel.add(getMenuItem(M.menu.itemReportCurrval(), "currval", Images.menu.icoCurrval())); allpanel.add(getMenuItem(M.menu.itemChangelog(), "changelog", Images.menu.icoChangelog())); cp.add(allpanel); panel.add(cp); } } /** * Builds the guest pane. */ private void buildGuestPane() { ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(true); cp.setHeading(M.menu.guestPanel()); cp.setIcon(AbstractImagePrototype.create(Images.menu.guestPanel())); cp.setLayout(new FitLayout()); VerticalPanel guestpanel = new VerticalPanel(); guestpanel.add(getMenuItem(M.menu.itemHelloToAll(), "start", Images.menu.icoInfo())); guestpanel.add(getMenuItem(M.menu.itemLicense(), "license", Images.menu.icoCopyright())); cp.add(guestpanel); panel.add(cp); } /** * Builds the manager pane. */ private void buildManagerPane() { if (role.isAdmin() || role.isManager()) { ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(true); cp.setHeading(M.menu.managerPanel()); cp.setIcon(AbstractImagePrototype.create(Images.menu.managerPanel())); cp.setLayout(new FitLayout()); VerticalPanel managerpanel = new VerticalPanel(); Set<String> items = StructureFactory.getMenuItemsFor(UserRole.ROLE_MANAGER); for (String item : items) { String itemname = StructureFactory.getDescription(item).getName() .getName(LocaleInfo.getCurrentLocale().getLocaleName()); managerpanel.add(getMenuItem(itemname, item, StructureFactory.getMenuIcon(item))); } cp.add(managerpanel); panel.add(cp); } } /** * Clear. */ public void clear() { panel.removeAll(); ContentPanel cp = new ContentPanel(); panel.add(cp); // hack for hidden first panel cp.hide(); role = null; } /** * Gets the menu item. * * @param text * the text * @param tag * the tag * @param image * the image * @return the menu item */ private HorizontalPanel getMenuItem(String text, String tag, ImageResource image) { HorizontalPanel hPanel = new HorizontalPanel(); hPanel.setSpacing(5); hPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_TOP); hPanel.add(new Image(image)); Hyperlink link = new Hyperlink(text, tag); hPanel.add(link); return hPanel; } }