Java tutorial
/** * Copyright 2008-2015 Qualogy Solutions B.V. * * 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.qualogy.qafe.gwt.client.ui; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.gwt.mosaic.ui.client.WindowPanel; import org.gwt.mosaic.ui.client.WindowPanel.WindowState; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.DoubleClickEvent; import com.google.gwt.event.dom.client.DoubleClickHandler; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.DOM; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.MenuBar; import com.google.gwt.user.client.ui.MenuItem; import com.google.gwt.user.client.ui.Panel; import com.google.gwt.user.client.ui.UIObject; import com.google.gwt.user.client.ui.Widget; import com.qualogy.qafe.gwt.client.component.DesktopIcon; import com.qualogy.qafe.gwt.client.component.html5.notifications.Notification; import com.qualogy.qafe.gwt.client.context.ClientApplicationContext; import com.qualogy.qafe.gwt.client.factory.MainFactoryActions; import com.qualogy.qafe.gwt.client.ui.renderer.RendererHelper; import com.qualogy.qafe.gwt.client.ui.renderer.WindowRenderer; import com.qualogy.qafe.gwt.client.ui.renderer.events.CallbackHandler; import com.qualogy.qafe.gwt.client.ui.renderer.events.EventFactory; import com.qualogy.qafe.gwt.client.util.QAMLConstants; import com.qualogy.qafe.gwt.client.vo.ui.ComponentGVO; import com.qualogy.qafe.gwt.client.vo.ui.MenuItemGVO; import com.qualogy.qafe.gwt.client.vo.ui.UIGVO; import com.qualogy.qafe.gwt.client.vo.ui.WindowGVO; import com.qualogy.qafe.gwt.client.vo.ui.event.EventListenerGVO; import com.qualogy.qafe.gwt.client.vo.ui.event.InputVariableGVO; public class GWTUIGenerator { public static final Panel createView(UIGVO ui) { Panel view = null; if (ui != null) { String uuid = ui.getUuid(); WindowGVO[] windows = ui.getWindows(); Widget[] widgets = new Widget[windows.length]; /* * for (int i = 0; i < windows.length; i++) { * * Widget w = (Widget) new * WindowRenderer().render(windows[i],windows[i].getId() +"|"+uuid * ); widgets[i] = w; } */ buildMenu(widgets, windows, uuid, ui); } return view; } public static final Widget createView(UIGVO ui, String windowId) { Widget view = null; if (ui != null) { String uuid = ui.getUuid(); WindowGVO[] windows = ui.getWindows(); for (int i = 0; i < windows.length; i++) { if (windowId != null && windowId.equals(windows[i].getId())) { view = (Widget) new WindowRenderer().render(windows[i], uuid, windowId, ui.getAppId()); EventFactory.processOnLoadEvent(windows[i], view); break; } // check if there onload events for this. } } return view; } // CHECKSTYLE.OFF: CyclomaticComplexity private static void buildMenu(Widget[] widgets, WindowGVO[] windows, final String uuid, UIGVO ui) { if (widgets != null && windows != null) { MenuBar menuBar = null; String menuTitle = ""; boolean tryMeFeature = false; if (ui.getTitle() != null) { menuTitle = ui.getTitle(); // TODO: is it needed to call this method? ClientApplicationContext.getInstance().removeWindow(menuTitle, ui.getAppId(), uuid); menuBar = new MenuBar(true); MenuItem menuItem = createMenuItem(ui.getAppId(), menuTitle, uuid, null, menuBar); if (ui.getRootMenu() == null) { if (ClientApplicationContext.getInstance().getApplicationsMenu() != null) { ClientApplicationContext.getInstance().getApplicationsMenu().addItem(menuItem); } } else { // get the rootMenu and add the item to that menu MenuBar targetMenuBar = ClientApplicationContext.getInstance().getMenuBars() .get(ui.getRootMenu()); if (targetMenuBar != null) { targetMenuBar.addItem(menuItem); } } } else { menuTitle = "Try me!"; if (ClientApplicationContext.getInstance().getTryMeMenu() == null) { menuBar = new MenuBar(true); ClientApplicationContext.getInstance().setTryMeMenu(menuBar); ClientApplicationContext.getInstance().getMainMenu().addItem(menuTitle, menuBar); } tryMeFeature = true; menuBar = ClientApplicationContext.getInstance().getTryMeMenu(); ClientApplicationContext.getInstance().log("Try me menu", "Check Try Me! menu for updated application", false, true, null); } for (int i = 0; i < widgets.length; i++) { String title = windows[i].getTitle(); if (title == null || title.length() == 0) { title = windows[i].getId(); } if (windows[i].getIsparent() != null && windows[i].getIsparent().booleanValue()) { menuBar.addItem(createMenuItem(title, uuid, windows[i].getId(), ui, tryMeFeature)); } if (ClientApplicationContext.getInstance().isMDI()) { if (ClientApplicationContext.getInstance().getDockMode()) { if (windows[i].getInDock() != null && windows[i].getInDock().booleanValue()) { addToDockPanel(windows[i], uuid, title, ui.getAppId()); } else { createDesktopIcon(windows[i], uuid, title, ui.getAppId()); } } else { createDesktopIcon(windows[i], uuid, title, ui.getAppId()); } } } if (ClientApplicationContext.getInstance().isMDI()) { ClientApplicationContext.getInstance().updatePosition(); } } } // CHECKSTYLE.ON: CyclomaticComplexity private static void addToDockPanel(final WindowGVO windowGVO, final String uuid, final String title, final String appId) { if (windowGVO != null && windowGVO.getIcon() != null && windowGVO.getIcon().length() > 0) { final String windowId = windowGVO.getId(); final Image dockImage = new Image(windowGVO.getIcon()); dockImage.setTitle(title); //dockImage.setHeight(60 + "px"); //dockImage.setWidth(40 + "px"); dockImage.setStylePrimaryName("dockItem"); fillInMandatoryOnly(windowGVO, dockImage, uuid, windowId, appId); dockImage.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { WindowPanel existingWindowPanel = ClientApplicationContext.getInstance() .windowIdExists(windowId, uuid); if (existingWindowPanel == null) { EventListenerGVO[] events = windowGVO.getEvents(); if (events != null) { String eventType = QAMLConstants.EVENT_ONCLICK; for (EventListenerGVO eventGVO : events) { if (eventGVO.getEventComponentId().equals(windowId) && eventGVO.getEventListenerType().equals(eventType)) { createCallBack4OpenWindow(dockImage, eventType, eventGVO); break; } } } // MainFactoryActions.getUIByUUID(uuid, windowId); } else { Iterator itr = ClientApplicationContext.getInstance().getHorizontalPanel().iterator(); while (itr.hasNext()) { Widget w = (Widget) itr.next(); if (w.getTitle().equals(title)) { existingWindowPanel.setWindowState(WindowState.NORMAL); existingWindowPanel.show(); ClientApplicationContext.getInstance().getHorizontalPanel().remove(w); } } existingWindowPanel.toFront(); } } }); if (ClientApplicationContext.getInstance().getDockPanel() != null) { ClientApplicationContext.getInstance().getDockPanel().add(dockImage); int dockWidth = ClientApplicationContext.getInstance().getDockPanel().getOffsetWidth(); DOM.setStyleAttribute(ClientApplicationContext.getInstance().getDockPanel().getElement(), "left", Window.getClientWidth() / 2 - (dockWidth / 2) + ""); } } } private static void createDesktopIcon(final WindowGVO windowGVO, final String uuid, final String title, final String appId) { if (windowGVO != null && windowGVO.getIcon() != null && windowGVO.getIcon().length() > 0) { final String windowId = windowGVO.getId(); final DesktopIcon desktopIcon = new DesktopIcon(windowGVO.getIcon(), title); fillInMandatoryOnly(windowGVO, desktopIcon, uuid, windowId, appId); desktopIcon.addDoubleClickHandler(new DoubleClickHandler() { public void onDoubleClick(DoubleClickEvent event) { // ClientApplicationContext.getInstance().removeWindow(windowId, // uuid); WindowPanel existingWindowPanel = ClientApplicationContext.getInstance() .windowIdExists(windowId, uuid); if (existingWindowPanel == null) { EventListenerGVO[] events = windowGVO.getEvents(); if (events != null) { String eventType = QAMLConstants.EVENT_ONCLICK; for (EventListenerGVO eventGVO : events) { if (eventGVO.getEventComponentId().equals(windowId) && eventGVO.getEventListenerType().equals(eventType)) { createCallBack4OpenWindow(desktopIcon, eventType, eventGVO); break; } } } // MainFactoryActions.getUIByUUID(uuid, windowId); } else { Iterator itr = ClientApplicationContext.getInstance().getHorizontalPanel().iterator(); while (itr.hasNext()) { Widget w = (Widget) itr.next(); if (w.getTitle().equals(title)) { existingWindowPanel.setWindowState(WindowState.NORMAL); existingWindowPanel.show(); ClientApplicationContext.getInstance().getHorizontalPanel().remove(w); } } existingWindowPanel.toFront(); } } }); ClientApplicationContext.getInstance().getDragController().makeDraggable(desktopIcon, desktopIcon.getTitleLabel()); ClientApplicationContext.getInstance().addDesktopIcon(desktopIcon); } } public static MenuItem createMenuItem(String itemId, String itemLabel, String uuid, String context, MenuBar subMenu) { MenuItem menuItem = new MenuItem(itemLabel, subMenu); MenuItemGVO menuItemGVO = new MenuItemGVO(); menuItemGVO.setId(itemId); RendererHelper.fillIn(menuItemGVO, menuItem, uuid, null, context); return menuItem; } private static MenuItem createMenuItem(final String title, final String uuid, final String windowId, final UIGVO uiGVO, final boolean tryMe) { final MenuItem menuItem = new MenuItem(title, (Command) null); MenuItemGVO menuItemGVO = new MenuItemGVO(); menuItemGVO.setId(windowId); RendererHelper.fillIn(menuItemGVO, menuItem, uuid, null, uiGVO.getAppId()); Command command = new Command() { public void execute() { if (ClientApplicationContext.getInstance().isDesktopNotificationPossible() && Notification.isNotificationNotAllowed()) { Notification.requestPermission(); } // ClientApplicationContext.getInstance().removeWindow(windowId, // uuid); WindowPanel existingWindowPanel = ClientApplicationContext.getInstance().windowIdExists(windowId, uuid); if (existingWindowPanel == null) { if (tryMe) { MainFactoryActions.getUIByUUID(uuid, windowId); } else { String eventType = QAMLConstants.EVENT_ONCLICK; EventListenerGVO eventGVO = uiGVO.getEventMap().get(windowId); createCallBack4OpenWindow(menuItem, eventType, eventGVO); } // MainFactoryActions.getUIByUUID(uuid, windowId); } else { Iterator itr = ClientApplicationContext.getInstance().getHorizontalPanel().iterator(); while (itr.hasNext()) { Widget w = (Widget) itr.next(); if (w.getTitle().equals(title)) { existingWindowPanel.setWindowState(WindowState.NORMAL); existingWindowPanel.show(); ClientApplicationContext.getInstance().getHorizontalPanel().remove(w); } } existingWindowPanel.toFront(); } } }; menuItem.setCommand(command); return menuItem; } private static void createCallBack4OpenWindow(UIObject sender, String eventType, EventListenerGVO eventGVO) { List<InputVariableGVO> input = new ArrayList<InputVariableGVO>(); CallbackHandler.createCallBack(sender, eventType, eventGVO, input); } private static void fillInMandatoryOnly(ComponentGVO componentGVO, UIObject uiObject, String uuid, String parent, String context) { RendererHelper.addId(componentGVO, uiObject, uuid, parent, context, false); RendererHelper.addUUID(componentGVO, uiObject, uuid); } }