com.tapas.evidence.fe.kindergarten.KindergartenPresenter.java Source code

Introduction

Here is the source code for com.tapas.evidence.fe.kindergarten.KindergartenPresenter.java

Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.tapas.evidence.fe.kindergarten;

import java.util.List;

import javax.inject.Inject;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.validation.Validator;
import org.vaadin.mvp.presenter.FactoryPresenter;
import org.vaadin.mvp.presenter.ViewFactoryException;
import org.vaadin.mvp.presenter.annotation.Presenter;

import com.tapas.evidence.dto.KindergartenDTO;
import com.tapas.evidence.fe.form.EvidenceForm;
import com.tapas.evidence.fe.form.MetaModel;
import com.tapas.evidence.service.FormMetaModelService;
import com.tapas.evidence.service.KindergartenService;
import com.vaadin.data.util.BeanItem;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.event.ItemClickEvent;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Table;
import com.vaadin.ui.Window;

/**
 * @author Michal Bocek
 * @since 1.0.0
 */
@Component("kindergartenPresenter")
@Scope("prototype")
@Presenter(view = KindergartenListView.class)
public class KindergartenPresenter extends FactoryPresenter<IKindergartenListView, KindergartenEventBus> {

    private BeanItemContainer<KindergartenDTO> container;

    private Window dialog = null;

    private EvidenceForm kindergartenForm = null;

    @Inject
    private KindergartenService kindergartenService;

    @Inject
    private Validator validator;

    @Inject
    private FormMetaModelService formService;

    @Override
    public void bind() {
        final HorizontalLayout buttonBar = this.view.getButtonBar();
        buttonBar.setExpandRatio(this.getView().getExpander(), 1.0f);
        final Table kindergartenList = this.view.getKindergartenList();
        container = new BeanItemContainer<KindergartenDTO>(KindergartenDTO.class);
        kindergartenList.setContainerDataSource(container);
        kindergartenList.setColumnHeader("name",
                this.getMessage("kindergarten.list.header.name", this.getLocale()));
        kindergartenList.setColumnHeader("fullAddress",
                this.getMessage("kindergarten.list.header.fullAddress", this.getLocale()));
        kindergartenList.setVisibleColumns(new String[] { "name", "fullAddress" });
        loadKindergartenList();
    }

    private void loadKindergartenList() {
        final List<KindergartenDTO> kindergartens = kindergartenService.getAll();
        this.container.removeAllItems();
        this.container.addAll(kindergartens);
    }

    public void onAddKindergarten() throws ViewFactoryException {
        showCreateEditDialog(new KindergartenDTO());
    }

    public void onRemoveKindergarten() {
        // check if a user is selected in the table
        final Table kindergartenList = this.view.getKindergartenList();
        final Object selected = kindergartenList.getValue();
        if (selected != null) {
            this.container.removeItem(selected);
            this.kindergartenService.delete(((KindergartenDTO) selected).getId());
        }
    }

    @SuppressWarnings("unchecked")
    public void onSaveKindergarten() {
        // get the user and add it to the container
        final BeanItem<KindergartenDTO> item = (BeanItem<KindergartenDTO>) this.kindergartenForm
                .getItemDataSource();
        final KindergartenDTO kindergarten = item.getBean();
        final MetaModel metaModel = formService.getMetaModel(kindergarten);

        if (kindergartenForm.validate(metaModel, validator, kindergarten, this.messageSource, this.getLocale())) {
            //this.container.addBean(kindergarten);
            this.kindergartenService.createOrUpdateKindergarten(kindergarten);
            // close dialog
            this.closeDialog();
            loadKindergartenList();
        }
    }

    public void onEditKindergarten(final ItemClickEvent event) throws ViewFactoryException {
        if (event.isDoubleClick()) {
            final Long id = ((KindergartenDTO) event.getItemId()).getId();
            final KindergartenDTO kindergartenDTO = this.kindergartenService.getById(id);
            showCreateEditDialog(kindergartenDTO);
        }
    }

    public void onCancelEditKindergarten() {
        // close dialog only
        this.closeDialog();
    }

    private void closeDialog() {
        // dismiss the dialog
        final Window applicationWindow = this.dialog.getParent();
        applicationWindow.removeWindow(this.dialog);
        this.dialog = null;
        this.kindergartenForm = null;
    }

    private void showCreateEditDialog(final KindergartenDTO kindergartenDTO) throws ViewFactoryException {
        // create view
        final KindergartenDetail view = this.createView(KindergartenDetail.class);
        // configure the form with bean item
        this.kindergartenForm = view.getKindergartenForm();
        final KindergartenDTO kindergarten = kindergartenDTO;
        final MetaModel metaModel = formService.getMetaModel(kindergarten);
        this.kindergartenForm.setItemDataSource(kindergarten, metaModel, this.messageSource, "kindergarten.detail",
                this.getLocale());

        // create a window using caption from view
        this.dialog = new Window(this.getMessage("kindergarten.detail.caption", this.getLocale()));
        this.dialog.setModal(true);
        this.dialog.addComponent(view);
        this.dialog.getContent().setSizeUndefined();
        this.eventBus.showDialog(this.dialog);
    }
}