/* 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.explorer.ExplorerApp;
import org.activiti.explorer.data.LazyLoadingContainer;
import org.activiti.explorer.data.LazyLoadingQuery;
import org.activiti.explorer.navigation.UriFragment;
import org.activiti.explorer.ui.AbstractTablePage;
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.management.processinstance.ProcessInstanceDetailPanel;
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 Frederik Heremans
*/
public abstract class ProcessInstancePage extends AbstractTablePage {
private static final long serialVersionUID = 1L;
protected LazyLoadingContainer processInstanceListContainer;
protected LazyLoadingQuery lazyLoadingQuery;
@Override
protected ToolBar createMenuBar() {
return new ProcessMenuBar();
}
@Override
protected Table createList() {
final Table processInstanceTable = new Table();
processInstanceTable.addStyleName(ExplorerLayout.STYLE_PROCESS_INSTANCE_LIST);
// Listener to change right panel when clicked on a task
processInstanceTable.addListener(new Property.ValueChangeListener() {
private static final long serialVersionUID = 8811553575319455854L;
public void valueChange(ValueChangeEvent event) {
Item item = processInstanceTable.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 ProcessInstanceDetailPanel(processInstanceId, ProcessInstancePage.this));
UriFragment taskFragment = getUriFragment(processInstanceId);
ExplorerApp.get().setCurrentUriFragment(taskFragment);
} else {
// Nothing is selected
setDetailComponent(null);
UriFragment taskFragment = getUriFragment(null);
ExplorerApp.get().setCurrentUriFragment(taskFragment);
}
}
});
this.lazyLoadingQuery = createLazyLoadingQuery();
this.processInstanceListContainer = new LazyLoadingContainer(lazyLoadingQuery, 10);
processInstanceTable.setContainerDataSource(processInstanceListContainer);
// Create column header
processInstanceTable.addGeneratedColumn("icon", new ThemeImageColumnGenerator(Images.PROCESS_22));
processInstanceTable.setColumnWidth("icon", 22);
processInstanceTable.addContainerProperty("name", String.class, null);
processInstanceTable.setColumnHeaderMode(Table.COLUMN_HEADER_MODE_HIDDEN);
return processInstanceTable;
}
protected abstract LazyLoadingQuery createLazyLoadingQuery();
protected abstract UriFragment getUriFragment(String processInstanceId);
}