/* 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 org.activiti.explorer.ui.process;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.form.StartFormData;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.data.LazyLoadingContainer;
import org.activiti.explorer.data.LazyLoadingQuery;
import org.activiti.explorer.navigation.ProcessNavigator;
import org.activiti.explorer.navigation.UriFragment;
import org.activiti.explorer.ui.AbstractTablePage;
import org.activiti.explorer.ui.ComponentFactory;
import org.activiti.explorer.ui.Images;
import org.activiti.explorer.ui.custom.ToolBar;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import org.activiti.explorer.ui.util.ThemeImageColumnGenerator;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Table;
/**
* @author Joram Barrez
*/
public class ProcessDefinitionPage extends AbstractTablePage {
private static final long serialVersionUID = 1L;
// Services
protected RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService();
// UI
protected String processDefinitionId;
protected LazyLoadingContainer processDefinitionContainer;
protected Table processDefinitionTable;
protected ProcessDefinitionDetailPanel detailPanel;
private ProcessDefinitionFilter definitionFilter;
public ProcessDefinitionPage() {
ExplorerApp.get().setCurrentUriFragment(
new UriFragment(ProcessNavigator.process_URI_PART));
// Create the filter, responsible for querying and populating process definition items
ComponentFactory<ProcessDefinitionFilter> factory =
ExplorerApp.get().getComponentFactory(ProcessDefinitionFilterFactory.class);
definitionFilter = factory.create();
}
/**
* Used when the page is reached through an URL.
* The page will be built and the given process definition will be selected.
*/
public ProcessDefinitionPage(String processDefinitionId) {
this();
this.processDefinitionId = processDefinitionId;
}
@Override
protected void initUi() {
super.initUi();
if (processDefinitionId == null) {
selectElement(0);
} else {
selectElement(processDefinitionContainer.getIndexForObjectId(processDefinitionId));
}
}
@Override
protected ToolBar createMenuBar() {
return new ProcessMenuBar();
}
@Override
protected Table createList() {
final Table processDefinitionTable = new Table();
processDefinitionTable.addStyleName(ExplorerLayout.STYLE_PROCESS_DEFINITION_LIST);
// Set non-editable, selectable and full-size
processDefinitionTable.setEditable(false);
processDefinitionTable.setImmediate(true);
processDefinitionTable.setSelectable(true);
processDefinitionTable.setNullSelectionAllowed(false);
processDefinitionTable.setSortDisabled(true);
processDefinitionTable.setSizeFull();
LazyLoadingQuery lazyLoadingQuery = new ProcessDefinitionListQuery(repositoryService, definitionFilter);
this.processDefinitionContainer = new LazyLoadingContainer(lazyLoadingQuery, 10);
processDefinitionTable.setContainerDataSource(processDefinitionContainer);
// Listener to change right panel when clicked on a task
processDefinitionTable.addListener(new Property.ValueChangeListener() {
private static final long serialVersionUID = 1L;
public void valueChange(ValueChangeEvent event) {
Item item = processDefinitionTable.getItem(event.getProperty().getValue());
String processDefinitionId = (String) item.getItemProperty("id").getValue();
showProcessDefinitionDetail(processDefinitionId);
}
});
// Create columns
processDefinitionTable.addGeneratedColumn("icon", new ThemeImageColumnGenerator(Images.PROCESS_22));
processDefinitionTable.setColumnWidth("icon", 22);
processDefinitionTable.addContainerProperty("name", String.class, null);
processDefinitionTable.setColumnHeaderMode(Table.COLUMN_HEADER_MODE_HIDDEN);
return processDefinitionTable;
}
protected void showProcessDefinitionDetail(String processDefinitionId) {
detailPanel = new ProcessDefinitionDetailPanel(processDefinitionId, this);
setDetailComponent(detailPanel);
changeUrl(processDefinitionId);
}
protected void changeUrl(String processDefinitionId) {
UriFragment processDefinitionFragment = new UriFragment(ProcessNavigator.process_URI_PART, processDefinitionId);
ExplorerApp.get().setCurrentUriFragment(processDefinitionFragment);
}
public void showStartForm(ProcessDefinition processDefinition, StartFormData startFormData) {
if(detailPanel != null) {
showProcessDefinitionDetail(processDefinition.getId());
}
detailPanel.showProcessStartForm(startFormData);
}
}