Java tutorial
/** * Copyright 2010 the original author or authors. * * This file is part of Zksample2. http://zksample2.sourceforge.net/ * * Zksample2 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. * * Zksample2 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 Zksample2. If not, see <http://www.gnu.org/licenses/gpl.html>. */ package de.forsthaus.webui.calendar; import java.io.Serializable; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.LinkedList; import java.util.List; import org.apache.log4j.Logger; import org.springframework.security.core.context.SecurityContextHolder; import org.zkoss.calendar.Calendars; import org.zkoss.calendar.event.CalendarsEvent; import org.zkoss.zk.ui.Component; import org.zkoss.zk.ui.event.Event; import org.zkoss.zul.Button; import org.zkoss.zul.Checkbox; import org.zkoss.zul.Combobox; import org.zkoss.zul.Datebox; import org.zkoss.zul.ListModelList; import org.zkoss.zul.Listbox; import org.zkoss.zul.Textbox; import org.zkoss.zul.Window; import de.forsthaus.backend.model.MyCalendarEvent; import de.forsthaus.backend.model.SecUser; import de.forsthaus.backend.service.MyCalendarEventService; import de.forsthaus.policy.model.UserImpl; import de.forsthaus.webui.calendar.model.MySimpleCalendarEvent; import de.forsthaus.webui.util.GFCBaseCtrl; /** * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<br> * Controller for the calendar create event module.<br> * <br> * zul-file: /WEB-INF/pages/calendar/cal_createEvent.zul.<br> * <br> * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<br> * <br> * * * @author bbruhns * @author sgerth */ public class CalendarCreateEventCtrl extends GFCBaseCtrl implements Serializable { private static final long serialVersionUID = 1L; private static final Logger logger = Logger.getLogger(CalendarCreateEventCtrl.class); /* * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * All the components that are defined here and have a corresponding * component with the same 'id' in the zul-file are getting autowired by our * 'extends GFCBaseCtrl' GenericForwardComposer. * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ protected Window createEventWindow; // autowired protected Datebox ppbegin; // autowired protected Datebox ppend; // autowired protected Checkbox ppallDay; // autowired protected Listbox ppbt; // autowired protected Listbox ppet; // autowired protected Combobox ppcolor; // autowired protected Textbox txtb_title; // autowired protected Textbox ppcnt; // autowired protected Checkbox pplocked; // autowired protected Button btnOK; // autowired protected Button btnCancel; // autowired private CalendarMainCtrl calendarCtrl; private CalendarsEvent newEvent; // ServiceDAOs / Domain Classes MyCalendarEventService calendarEventService; /** * default constructor.<br> */ public CalendarCreateEventCtrl() { super(); } @Override public void doAfterCompose(Component window) throws Exception { super.doAfterCompose(window); /** * 1. Get the overhanded MainController.<br> * 2. Get the selected event.<br> */ if (arg.containsKey("calendarController")) { setCalendarCtrl((CalendarMainCtrl) arg.get("calendarController")); } if (arg.containsKey("calendarsEvent")) { setNewEvent(((CalendarsEvent) arg.get("calendarsEvent"))); } else setNewEvent(null); } // +++++++++++++++++++++++++++++++++++++++++++++++++ // // +++++++++++++++ Component Events ++++++++++++++++ // // +++++++++++++++++++++++++++++++++++++++++++++++++ // /** * Automatically called method from zk. * * @param event * @throws Exception */ public void onCreate$createEventWindow(Event event) { List dateTime = new LinkedList(); // Calendar calendar = Calendar.getInstance(); Calendar calendar = Calendar.getInstance(org.zkoss.util.Locales.getCurrent()); SimpleDateFormat sdf = new SimpleDateFormat("HH:mm"); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); for (int i = 0; i < 48; i++) { dateTime.add(sdf.format(calendar.getTime())); calendar.add(Calendar.MINUTE, 30); } ppbt.setModel(new ListModelList(dateTime)); ppet.setModel(new ListModelList(dateTime)); CalendarsEvent evt = getNewEvent(); int left = evt.getX(); int top = evt.getY(); if (top + 245 > evt.getDesktopHeight()) top = evt.getDesktopHeight() - 245; if (left + 410 > evt.getDesktopWidth()) left = evt.getDesktopWidth() - 410; createEventWindow.setLeft(left + "px"); createEventWindow.setTop(top + "px"); SimpleDateFormat create_sdf = new SimpleDateFormat("HH:mm"); create_sdf.setTimeZone(getCalendarCtrl().getCal().getDefaultTimeZone()); // Calendar calendar = // Calendar.getInstance(org.zkoss.util.Locales.getCurrent()); String[] times = create_sdf.format(evt.getBeginDate()).split(":"); int hours = Integer.parseInt(times[0]) * 2; int mins = Integer.parseInt(times[1]); int bdTimeSum = hours + mins; if (mins >= 30) hours++; ppbt.setSelectedIndex(hours); times = create_sdf.format(evt.getEndDate()).split(":"); hours = Integer.parseInt(times[0]) * 2; mins = Integer.parseInt(times[1]); int edTimeSum = hours + mins; if (mins >= 30) hours++; ppet.setSelectedIndex(hours); boolean isAllday = (bdTimeSum + edTimeSum) == 0; ppbegin.setTimeZone(getCalendarCtrl().getCal().getDefaultTimeZone()); ppbegin.setValue(evt.getBeginDate()); ppend.setTimeZone(getCalendarCtrl().getCal().getDefaultTimeZone()); ppend.setValue(evt.getEndDate()); ppallDay.setChecked(isAllday); pplocked.setChecked(false); ppbt.setVisible(!isAllday); ppet.setVisible(!isAllday); createEventWindow.setVisible(true); createEventWindow.setAttribute("calendars", getCalendarCtrl().getCal()); createEventWindow.setAttribute("calevent", evt); evt.stopClearGhost(); } /** * on closing this window. * * @param event */ public void onClose$createEventWindow(Event event) { getNewEvent().clearGhost(); event.stopPropagation(); createEventWindow.onClose(); } /** * If the button 'OK' is clicked. * * @param event */ public void onClick$btnOK(Event event) { doSave(event); } /** * If the button 'Cancel' is clicked. * * @param event */ public void onClick$btnCancel(Event event) { doCancel(event); } // +++++++++++++++++++++++++++++++++++++++++++++++++ // // +++++++++++++++++ Business Logic ++++++++++++++++ // // +++++++++++++++++++++++++++++++++++++++++++++++++ // /** * Saves the data of an CalendarEvent and closes the window. * * @param event */ public void doSave(Event event) { Calendars cals = getCalendarCtrl().getCal(); MySimpleCalendarEvent ce = new MySimpleCalendarEvent(); Calendar cal = Calendar.getInstance(cals.getDefaultTimeZone()); Date beginDate = ppbegin.getValue(); Date endDate = ppend.getValue(); beginDate.setSeconds(0); endDate.setSeconds(0); if (!ppallDay.isChecked()) { String[] times = ppbt.getSelectedItem().getLabel().split(":"); cal.setTime(beginDate); cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(times[0])); cal.set(Calendar.MINUTE, Integer.parseInt(times[1])); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); beginDate = cal.getTime(); times = ppet.getSelectedItem().getLabel().split(":"); cal.setTime(endDate); cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(times[0])); cal.set(Calendar.MINUTE, Integer.parseInt(times[1])); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); endDate = cal.getTime(); } if (!beginDate.before(endDate)) { alert("The end date cannot be before/equal than begin date!"); return; } String[] colors = ((String) ppcolor.getSelectedItem().getValue()).split(","); ce.setHeaderColor(colors[0]); ce.setContentColor(colors[1]); ce.setBeginDate(beginDate); ce.setEndDate(endDate); ce.setTitle(txtb_title.getValue()); ce.setContent(ppcnt.getValue()); ce.setLocked(pplocked.isChecked()); getCalendarCtrl().getCalModel().add(ce); ppcnt.setRawValue(""); ppbt.setSelectedIndex(0); ppet.setSelectedIndex(0); final SecUser user = ((UserImpl) SecurityContextHolder.getContext().getAuthentication().getPrincipal()) .getSecUser(); // prepare the backend Bean MyCalendarEvent calEvt = getCalendarEventService().getNewCalendarEvent(); calEvt.setSecUser(user); calEvt.setTitle(ce.getTitle()); calEvt.setContent(ce.getContent()); calEvt.setBeginDate(ce.getBeginDate()); calEvt.setEndDate(ce.getEndDate()); calEvt.setHeaderColor(colors[0]); calEvt.setContentColor(ce.getContentColor()); // Save the calendar event to database try { getCalendarEventService().saveOrUpdate(calEvt); syncModel(); } catch (Exception e) { e.printStackTrace(); } createEventWindow.onClose(); } /** * Cancels the creation of an CalendarEvent and closes the window. * * @param event */ public void doCancel(Event event) { // logger.debug(event.toString()); ppcnt.setRawValue(""); ppbt.setSelectedIndex(0); ppet.setSelectedIndex(0); ((CalendarsEvent) getNewEvent()).clearGhost(); createEventWindow.onClose(); } /** * Calls the method for synchronizing the view with the data that are stored * in the db. * * @throws ParseException */ private void syncModel() throws ParseException { getCalendarCtrl().synchronizeModel(); } // +++++++++++++++++++++++++++++++++++++++++++++++++ // // ++++++++++++++++ Setter/Getter ++++++++++++++++++ // // +++++++++++++++++++++++++++++++++++++++++++++++++ // public CalendarMainCtrl getCalendarCtrl() { return calendarCtrl; } public void setCalendarCtrl(CalendarMainCtrl calendarCtrl) { this.calendarCtrl = calendarCtrl; } public void setNewEvent(CalendarsEvent newEvent) { this.newEvent = newEvent; } public CalendarsEvent getNewEvent() { return newEvent; } public MyCalendarEventService getCalendarEventService() { return calendarEventService; } public void setCalendarEventService(MyCalendarEventService calendarEventService) { this.calendarEventService = calendarEventService; } }