/* 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.management.processinstance;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.data.LazyLoadingContainer;
import org.activiti.explorer.data.LazyLoadingQuery;
import org.activiti.explorer.navigation.DeploymentNavigator;
import org.activiti.explorer.navigation.ProcessInstanceNavigator;
import org.activiti.explorer.navigation.UriFragment;
import org.activiti.explorer.ui.Images;
import org.activiti.explorer.ui.management.ManagementPage;
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 ProcessInstancePage extends ManagementPage {
private static final long serialVersionUID = 1L;
protected LazyLoadingContainer processInstanceContainer;
protected String processInstanceId;
public ProcessInstancePage() {
ExplorerApp.get().setCurrentUriFragment(
new UriFragment(DeploymentNavigator.DEPLOYMENT_URI_PART));
}
public ProcessInstancePage(String processInstanceId) {
this();
this.processInstanceId = processInstanceId;
}
@Override
protected void initUi() {
super.initUi();
if (processInstanceId == null) {
selectElement(0);
} else {
selectElement(processInstanceContainer.getIndexForObjectId(processInstanceId));
}
}
protected Table createList() {
final Table table = new Table();
LazyLoadingQuery query = new ProcessInstanceListQuery();
processInstanceContainer = new LazyLoadingContainer(query);
table.setContainerDataSource(processInstanceContainer);
table.addListener(new Property.ValueChangeListener() {
private static final long serialVersionUID = 1L;
public void valueChange(ValueChangeEvent event) {
Item item = table.getItem(event.getProperty().getValue()); // the value of the property is the itemId of the table entry
if(item != null) {
String processInstanceId = (String) item.getItemProperty("id").getValue();
setDetailComponent(new AlfrescoProcessInstanceDetailPanel(processInstanceId, ProcessInstancePage.this));
// Update URL
ExplorerApp.get().setCurrentUriFragment(
new UriFragment(ProcessInstanceNavigator.PROCESS_INSTANCE_URL_PART, processInstanceId));
} else {
// Nothing is selected
setDetailComponent(null);
ExplorerApp.get().setCurrentUriFragment(new UriFragment(ProcessInstanceNavigator.PROCESS_INSTANCE_URL_PART));
}
}
});
// Create column headers
table.addGeneratedColumn("icon", new ThemeImageColumnGenerator(Images.PROCESS_22));
table.setColumnWidth("icon", 22);
table.addContainerProperty("name", String.class, null);
table.setColumnHeaderMode(Table.COLUMN_HEADER_MODE_HIDDEN);
return table;
}
}