nz.co.senanque.workflowui.Audits.java Source code

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Here is the source code for nz.co.senanque.workflowui.Audits.java

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/*******************************************************************************
 * Copyright (c)2014 Prometheus Consulting
 *
 * 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 nz.co.senanque.workflowui;

import javax.annotation.PostConstruct;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import nz.co.senanque.workflow.instances.Audit;
import nz.co.senanque.workflow.instances.ProcessInstance;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.MessageSource;
import org.springframework.context.MessageSourceAware;
import org.springframework.context.support.MessageSourceAccessor;

import com.vaadin.addon.jpacontainer.JPAContainer;
import com.vaadin.addon.jpacontainer.JPAContainerFactory;
import com.vaadin.addon.jpacontainer.JPAContainerItem;
import com.vaadin.data.Property;
import com.vaadin.data.util.filter.Compare;
import com.vaadin.event.ItemClickEvent;
import com.vaadin.spring.annotation.UIScope;
import com.vaadin.ui.Component;
import com.vaadin.ui.Table;
import com.vaadin.ui.VerticalLayout;

/**
 * @author Roger Parkinson
 *
 */
@UIScope
@org.springframework.stereotype.Component
public class Audits extends VerticalLayout implements MessageSourceAware {

    private static final long serialVersionUID = 1L;
    private transient MessageSourceAccessor m_messageSourceAccessor;
    @PersistenceContext(unitName = "em-workflow")
    private EntityManager m_entityManager;
    private JPAContainer<Audit> m_container;
    private AuditTable m_auditTable;
    @Autowired
    private AuditPopup m_auditPopup;

    public class AuditEvent extends Event {

        private static final long serialVersionUID = 1L;
        private final Audit m_audit;

        public AuditEvent(Component component, Audit audit) {
            super(component);
            m_audit = audit;
        }

        public Audit getAudit() {
            return m_audit;
        }
    }

    public class AuditTable extends Table {

        private static final long serialVersionUID = 1L;

        public AuditTable() {
            super(m_messageSourceAccessor.getMessage("Audit", "Audit"), m_container);
            setVisibleColumns(new Object[] { "id", "created", "lockedBy", "comment" });
            setColumnHeaders(new String[] { m_messageSourceAccessor.getMessage("id", "Id"),
                    m_messageSourceAccessor.getMessage("created", "Created"),
                    m_messageSourceAccessor.getMessage("lockedBy", "Locked By"),
                    m_messageSourceAccessor.getMessage("comment", "Comment") });
        }

        protected String formatPropertyValue(Object rowId, Object colId, Property<?> property) {
            if (property == null) {
                return "";
            }
            return property.toString();
        }
    }

    public Audits() {
    }

    @PostConstruct
    public void init() {
    }

    public void setup(ProcessInstance processInstance) {
        m_container = JPAContainerFactory.makeReadOnly(Audit.class, m_entityManager);
        //      Filter by AUDITS_PROCESSINSTANCE_ID
        //      Collection<Object> filterablePropertyIds = m_container.getFilterablePropertyIds();
        m_container.addContainerFilter(new Compare.Equal("parentId", processInstance.getId()));
        m_container.sort(new String[] { "created" }, new boolean[] { true });
        m_auditTable = new AuditTable();
        m_auditTable.addItemClickListener(new ItemClickEvent.ItemClickListener() {

            private static final long serialVersionUID = 1L;

            @SuppressWarnings("unchecked")
            @Override
            public void itemClick(ItemClickEvent event) {
                Audit audit = ((JPAContainerItem<Audit>) event.getItem()).getEntity();
                getAuditPopup().load(audit);
            }
        });

        removeAllComponents();
        addComponent(m_auditTable);
        m_auditTable.setSizeFull();
    }

    @Override
    public void setMessageSource(MessageSource messageSource) {
        m_messageSourceAccessor = new MessageSourceAccessor(messageSource);
    }

    public AuditPopup getAuditPopup() {
        return m_auditPopup;
    }

    public void setAuditPopup(AuditPopup auditPopup) {
        m_auditPopup = auditPopup;
    }

}