com.selzlein.lojavirtual.vaadin.popup.TodoRejection.java Source code

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Here is the source code for com.selzlein.lojavirtual.vaadin.popup.TodoRejection.java

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/*
 *********************************************************************
    
 $Id$
    
    
 Copyright (c) 2007-2014 Whitestein Technologies AG,
 Riedstrasse 13, CH-6330 Cham, Switzerland.
 All rights reserved.
    
 This software is confidential and proprietary information of
 Whitestein Technologies AG.
 You shall not disclose this confidential information and shall use
 it only in accordance with the terms of the license agreement you
 entered into with Whitestein Technologies AG.
 The use of this file in source or binary form requires a written
 license from Whitestein Technologies AG.
 *********************************************************************
 */
package com.selzlein.lojavirtual.vaadin.popup;

import java.util.Collections;
import java.util.Set;

import javax.ejb.EJB;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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.TextArea;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.selzlein.lojavirtual.vaadin.core.AppView.ViewAction;
import com.selzlein.lojavirtual.vaadin.core.LspsUI;
import com.selzlein.lojavirtual.vaadin.util.LspsAppConnectorImpl;
import com.selzlein.lojavirtual.vaadin.util.Utils;
import com.whitestein.lsps.human.ejb.TodoServiceLocal;

/**
 * Popup window for to-do rejection.
 * 
 * @author mhi
 */
public class TodoRejection extends Window {

    private static final long serialVersionUID = 1L;
    private static final Logger log = LoggerFactory.getLogger(TodoRejection.class.getName());

    private Set<Long> todoIds;
    private ViewAction closeAction;
    private TextArea reason;

    @EJB
    private TodoServiceLocal todoService;

    /**
     * Constructor for the rejection of a single to-do.
     * @param todoId
     * @param closeAction 
     */
    public TodoRejection(Long todoId, ViewAction closeAction) {
        this(Collections.singleton(todoId), closeAction);
    }

    /**
     * Full constructor.
     * @param todoIds
     * @param closeAction 
     */
    public TodoRejection(Set<Long> todoIds, ViewAction closeAction) {
        LspsAppConnectorImpl.INJECTOR_INSTANCE.inject(this);

        this.todoIds = todoIds;
        this.closeAction = closeAction;
        setWidth("400px");
        setHeight("300px");
        setModal(true);
        setClosable(true);
    }

    @Override
    public void attach() {
        super.attach();

        LspsUI ui = (LspsUI) getUI();
        setCaption(ui.getMessage("todo.rejectionTitle"));

        VerticalLayout layout = new VerticalLayout();
        layout.setMargin(true);
        layout.setSpacing(true);
        layout.setSizeFull();
        setContent(layout);

        Label help = new Label(ui.getMessage("todo.rejectionHelp"));
        help.setStyleName("form-help");
        layout.addComponent(help);

        reason = new TextArea(ui.getMessage("todo.rejectionReason"));
        reason.setMaxLength(1024);
        reason.setRequired(true);
        reason.setSizeFull();
        layout.addComponent(reason);
        layout.setExpandRatio(reason, 1);

        HorizontalLayout buttons = new HorizontalLayout();
        buttons.setSpacing(true);
        layout.addComponent(buttons);

        @SuppressWarnings("serial")
        Button rejectButton = new Button(ui.getMessage("action.reject"), new Button.ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                reject();
            }
        });
        buttons.addComponent(rejectButton);

        @SuppressWarnings("serial")
        Button cancelButton = new Button(ui.getMessage("action.cancel"), new Button.ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                close();
            }
        });
        buttons.addComponent(cancelButton);
    }

    private void reject() {
        String reasonText = reason.getValue();
        if (reasonText == null || reasonText.trim().length() == 0) {
            Utils.setComponentError(reason, "app.requiredMessage");
            return;
        } else {
            Utils.setComponentError(reason, null);
        }

        int failed = 0;
        for (Long todoId : todoIds) {
            if (!rejectTodo(todoId, reasonText)) {
                failed++;
            }
        }

        //show success message if no error message was shown
        if (failed == 0) {
            LspsUI ui = (LspsUI) getUI();
            ui.showInfoMessage("todo.rejectSuccessful", todoIds.size() - failed);
        }

        ((LspsUI) getUI()).getAppLayout().refreshBadges();

        close();
        if (closeAction != null) {
            closeAction.invoke();
        }
    }

    private boolean rejectTodo(Long todoId, String reasonText) {
        try {
            todoService.rejectTodo(todoId, reasonText);
            log.trace("rejected to-do " + todoId);
            return true;

        } catch (Exception e) {
            Utils.log(e, "could not reject to-do " + todoId, log);

            LspsUI ui = (LspsUI) getUI();
            ui.showErrorMessage("todo.rejectFailed", e);

            return false;
        }
    }

}