uk.co.intec.keyDatesApp.pages.CalendarView.java Source code

Introduction

Here is the source code for uk.co.intec.keyDatesApp.pages.CalendarView.java

Source

package uk.co.intec.keyDatesApp.pages;

/*
    
<!--
Copyright 2015 Paul Withers
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
-->
    
*/

import java.util.Date;
import java.util.GregorianCalendar;

import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.ui.Calendar;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Notification.Type;
import com.vaadin.ui.VerticalLayout;

import uk.co.intec.keyDatesApp.components.DateSelector;
import uk.co.intec.keyDatesApp.model.KeyDateCalendarEventClickHandler;
import uk.co.intec.keyDatesApp.model.KeyDateCalendarView_CalendarEventProvider;

/**
 * @author Paul Withers<br/>
 *         <br/>
 *         Calendar page
 *
 */
public class CalendarView extends CssLayout implements View {
    private static final long serialVersionUID = 1L;
    public static final String VIEW_NAME = "Calendar";
    public static final String VIEW_LABEL = "Calendar";
    private boolean loaded;
    private boolean showWeekends;
    private Calendar calLayout = new Calendar();
    private Date startDate;
    private Date endDate;

    /**
     * Constructor, sets CssLayout to take full area
     */
    public CalendarView() {

        setSizeFull();

    }

    /**
     * Shows an error message on the screen
     *
     * @param msg
     *            String error to display
     */
    public void showError(String msg) {
        Notification.show(msg, Type.ERROR_MESSAGE);
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * com.vaadin.navigator.View#enter(com.vaadin.navigator.ViewChangeListener.
     * ViewChangeEvent)
     */
    @Override
    public void enter(ViewChangeEvent event) {
        if (!isLoaded()) {

            loadContent();

            setLoaded(true);
        }
    }

    /**
     * Loads the main content for the page. Only called on first entry to the
     * page, because calling method sets <i>isLoaded</i> to true after
     * successfully completing.
     */
    public void loadContent() {
        try {
            final VerticalLayout body = new VerticalLayout();
            getCalLayout().setSizeFull();

            getCalLayout().setHandler(new KeyDateCalendarEventClickHandler(KeyDateView.VIEW_NAME));

            final Date today = new Date();
            final GregorianCalendar cal = new GregorianCalendar(getLocale());
            cal.setTime(today);
            cal.set(GregorianCalendar.DAY_OF_MONTH, 1);
            setStartDate(cal.getTime());
            cal.add(GregorianCalendar.MONTH, 1);
            cal.add(GregorianCalendar.DATE, -1);
            setEndDate(cal.getTime());

            getCalLayout().setResponsive(true);
            getCalLayout().setStartDate(getStartDate());
            getCalLayout().setEndDate(getEndDate());

            getCalLayout().setFirstVisibleHourOfDay(8);
            getCalLayout().setLastVisibleHourOfDay(20);
            getCalLayout().setReadOnly(true);
            getCalLayout().setFirstVisibleDayOfWeek(1);

            getCalLayout().setEventProvider(new KeyDateCalendarView_CalendarEventProvider());

            setShowWeekends(true);
            final DateSelector dateButtons = new DateSelector(getCalLayout());
            body.addComponents(dateButtons, getCalLayout());

            addComponent(body);
            setSizeFull();
        } catch (final Exception e) {

        }
    }

    /**
     * Getter for loaded
     *
     * @return boolean whether the content has already been loaded
     */
    public boolean isLoaded() {
        return loaded;
    }

    /**
     * Setter for loaded
     *
     * @param loaded
     *            boolean whether or not the content has already been loaded
     */
    public void setLoaded(boolean loaded) {
        this.loaded = loaded;
    }

    /**
     * Getter for startDate
     *
     * @return Date start date for the calendar view
     */
    public Date getStartDate() {
        return startDate;
    }

    /**
     * Setter for startDate
     *
     * @param startDate
     *            Date start date for the calendar view
     */
    public void setStartDate(Date startDate) {
        this.startDate = startDate;
    }

    /**
     * Getter for endDate
     *
     * @return Date end date for the calendar view
     */
    public Date getEndDate() {
        return endDate;
    }

    /**
     * Setter for endDate
     *
     * @param endDate
     *            Date end date for the calendar view
     */
    public void setEndDate(Date endDate) {
        this.endDate = endDate;
    }

    /**
     * Getter for showWeekends
     *
     * @return boolean whether or not the calendar should show weekends
     */
    public boolean isShowWeekends() {
        return showWeekends;
    }

    /**
     * Setter for showWeekends
     *
     * @param showWeekends
     *            boolean whether or not the calendar should show weekends
     */
    public void setShowWeekends(boolean showWeekends) {
        if (showWeekends) {
            getCalLayout().setLastVisibleDayOfWeek(7);
        } else {
            getCalLayout().setLastVisibleDayOfWeek(5);
        }
        this.showWeekends = showWeekends;
    }

    /**
     * Getter for calLayout
     *
     * @return Calendar Vaadin calendar component
     */
    public Calendar getCalLayout() {
        return calLayout;
    }

    /**
     * Setter for calLayout
     *
     * @param calLayout
     *            Calendar Vaadin calendar component
     */
    public void setCalLayout(Calendar calLayout) {
        this.calLayout = calLayout;
    }

}