ru.codeinside.gses.webui.components.ProcedureHistoryPanel.java Source code

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Here is the source code for ru.codeinside.gses.webui.components.ProcedureHistoryPanel.java

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/*
 * 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(": " + procedureName);
        Label taskLabel = new Label(": " + task.getName());
        Label versionLabel = new Label("??: " + def.getVersion());
        Panel bidPanel = new Panel("?? ?? ?");
        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[] { "?", "", "?",
                "", "?", "" });
        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;
        }
    }
}