ProcedureHistoryPanel.java example

Explorer
siu-master
/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 * Copyright (c) 2013, MPL CodeInside http://codeinside.ru
 */

package ru.codeinside.gses.webui.components;

import com.google.common.base.Function;
import com.vaadin.event.ItemClickEvent;
import com.vaadin.ui.*;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.impl.RepositoryServiceImpl;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.task.Task;
import ru.codeinside.gses.lazyquerycontainer.LazyQueryContainer;
import ru.codeinside.gses.service.Functions;
import ru.codeinside.gses.webui.Flash;
import ru.codeinside.gses.webui.utils.Components;

public class ProcedureHistoryPanel extends VerticalLayout {
  private Table historyTable;
  public ProcedureHistoryPanel(String taskId) {
    buildLayout(taskId);
  }
  private void buildLayout(final String taskId) {
    final Task task = Flash.flash().getProcessEngine().getTaskService().createTaskQuery().taskId(taskId).singleResult();
    final String tag = Flash.flash().getAdminService().getBidByTask(taskId).getTag();
    String procedureName = Flash.flash().getExecutorService().getProcedureNameByDefinitionId(task.getProcessDefinitionId());
    if (!tag.isEmpty()) {
      procedureName = tag + " - " + procedureName;
    }
    ProcessDefinitionEntity def = Functions.withRepository(Flash.login(),
      new Function<RepositoryService, ProcessDefinitionEntity>() {
        public ProcessDefinitionEntity apply(final RepositoryService srv) {
          RepositoryServiceImpl impl = (RepositoryServiceImpl) srv;
          return (ProcessDefinitionEntity) impl.getDeployedProcessDefinition(task.getProcessDefinitionId());
        }
      });
    Label procLabel = new Label("Процедура: " + procedureName);
    Label taskLabel = new Label("Этап: " + task.getName());
    Label versionLabel = new Label("Версия: " + def.getVersion());
    Panel bidPanel = new Panel("История исполнения заявки");
    addComponent(bidPanel);
    VerticalLayout bidLayout = new VerticalLayout();
    bidLayout.setSizeFull();
    bidLayout.setSpacing(true);
    bidPanel.addComponent(bidLayout);
    bidLayout.addComponent(procLabel);
    bidLayout.addComponent(taskLabel);
    bidLayout.addComponent(versionLabel);

    historyTable = Components.createTable(null, null);
    final String pid = task.getProcessInstanceId();
    HistoricTaskInstancesQueryDefinition queryDefinition = new HistoricTaskInstancesQueryDefinition(pid, taskId);
    LazyQueryContainer container = new LazyQueryContainer(queryDefinition, new HistoricTaskInstancesQueryFactory());
    historyTable.setContainerDataSource(container);
    historyTable.setPageLength(0);
    historyTable.setWidth("100%");
    historyTable.setSortDisabled(true);
    historyTable.setSelectable(true);
    historyTable.addContainerProperty("id", String.class, null);
    historyTable.addContainerProperty("name", String.class, null);
    historyTable.addContainerProperty("startDate", String.class, null);
    historyTable.addContainerProperty("endDate", String.class, null);
    historyTable.addContainerProperty("assignee", String.class, null);
    historyTable.addContainerProperty("form", Component.class, null);
    historyTable.setColumnExpandRatio("id", 0.05f);
    historyTable.setColumnExpandRatio("startDate", 0.1f);
    historyTable.setColumnExpandRatio("endDate", 0.1f);
    historyTable.setColumnExpandRatio("name", 0.1f);
    historyTable.setColumnExpandRatio("assignee", 0.1f);
    historyTable.setColumnExpandRatio("form", 0.1f);
    historyTable.addStyleName("disable-scroll");
    historyTable.setVisibleColumns(new String[]{"id", "name", "startDate", "endDate", "assignee", "form"});
    historyTable.setColumnHeaders(new String[]{"Заявка", "Этап", "Начало", "Окончание", "Назначен", ""});
    historyTable.addListener(new ItemClickEvent.ItemClickListener() {
      @Override
      public void itemClick(ItemClickEvent event) {
        HistoricTaskInstance i = (HistoricTaskInstance) event.getItem().getItemProperty("hid").getValue();
        fireEvent(new HistoryStepClickedEvent(event.getComponent(), i));
      }
    });
    bidLayout.addComponent(historyTable);
    bidLayout.setExpandRatio(procLabel, 0.01f);
    bidLayout.setExpandRatio(taskLabel, 0.01f);
    bidLayout.setExpandRatio(versionLabel, 0.01f);
    bidLayout.setExpandRatio(historyTable, 0.97f);
  }

  public void refresh() {
    historyTable.getContainerDataSource().removeAllItems();
    historyTable.refreshRowCache();
  }

  public class HistoryStepClickedEvent extends Event{
    private final HistoricTaskInstance historicTaskInstance;
    public HistoryStepClickedEvent(Component source, HistoricTaskInstance historicTaskInstance) {
      super(source);
      this.source = source;
      this.historicTaskInstance = historicTaskInstance;
    }
    public HistoricTaskInstance getHistoricTaskInstance() {
      return historicTaskInstance;
    }
  }
}