| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.taverna.ui.perspectives.design; |
| |
| import static java.awt.FlowLayout.LEFT; |
| |
| import java.awt.FlowLayout; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.net.URI; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import javax.swing.JButton; |
| import javax.swing.JLabel; |
| import javax.swing.JPanel; |
| |
| import org.apache.taverna.lang.observer.Observable; |
| import org.apache.taverna.lang.observer.SwingAwareObserver; |
| import org.apache.taverna.workbench.selection.SelectionManager; |
| import org.apache.taverna.workbench.selection.events.SelectionManagerEvent; |
| import org.apache.taverna.workbench.selection.events.WorkflowBundleSelectionEvent; |
| import org.apache.taverna.workbench.selection.events.WorkflowSelectionEvent; |
| import org.apache.taverna.scufl2.api.activity.Activity; |
| import org.apache.taverna.scufl2.api.common.NamedSet; |
| import org.apache.taverna.scufl2.api.common.Scufl2Tools; |
| import org.apache.taverna.scufl2.api.configurations.Configuration; |
| import org.apache.taverna.scufl2.api.container.WorkflowBundle; |
| import org.apache.taverna.scufl2.api.core.Processor; |
| import org.apache.taverna.scufl2.api.core.Workflow; |
| import org.apache.taverna.scufl2.api.profiles.ProcessorBinding; |
| import org.apache.taverna.scufl2.api.profiles.Profile; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| |
| /** |
| * Component for managing selection of workflows. |
| * |
| * @author David Withers |
| */ |
| @SuppressWarnings("serial") |
| public class WorkflowSelectorComponent extends JPanel { |
| private static final URI NESTED_WORKFLOW_TYPE = URI |
| .create("http://ns.taverna.org.uk/2010/activity/nested-workflow"); |
| |
| private final Scufl2Tools scufl2Tools = new Scufl2Tools(); |
| private final SelectionManager selectionManager; |
| |
| public WorkflowSelectorComponent(SelectionManager selectionManager) { |
| super(new FlowLayout(LEFT)); |
| this.selectionManager = selectionManager; |
| update(selectionManager.getSelectedWorkflow()); |
| selectionManager.addObserver(new SelectionManagerObserver()); |
| } |
| |
| private void update(Workflow workflow) { |
| removeAll(); |
| if (workflow != null |
| && workflow.getParent().getMainWorkflow() != workflow) |
| update(workflow, selectionManager.getSelectedProfile()); |
| revalidate(); |
| repaint(); |
| } |
| |
| /** @see #update(Workflow) */ |
| private void update(Workflow workflow, Profile profile) { |
| boolean first = true; |
| for (final Workflow workflowItem : getPath( |
| new NamedSet<>(profile.getActivities()), workflow, profile)) { |
| JButton button = new JButton(workflowItem.getName()); |
| // button.setBorder(null); |
| button.addActionListener(new ActionListener() { |
| @Override |
| public void actionPerformed(ActionEvent e) { |
| selectionManager.setSelectedWorkflow(workflowItem); |
| } |
| }); |
| if (!first) |
| add(new JLabel(">")); |
| first = false; |
| add(button); |
| } |
| } |
| |
| private List<Workflow> getPath(NamedSet<Activity> activities, |
| Workflow workflow, Profile profile) { |
| LinkedList<Workflow> path = new LinkedList<>(); |
| for (Activity activity : activities) { |
| if (!activity.getType().equals(NESTED_WORKFLOW_TYPE)) |
| continue; |
| if (getNestedWorkflow(workflow, profile, activity) != workflow) |
| continue; |
| |
| List<ProcessorBinding> processorBindings = scufl2Tools |
| .processorBindingsToActivity(activity); |
| for (ProcessorBinding processorBinding : processorBindings) { |
| Processor processor = processorBinding.getBoundProcessor(); |
| Workflow parentWorkflow = processor.getParent(); |
| if (workflow.getParent().getMainWorkflow() == parentWorkflow) |
| path.add(parentWorkflow); |
| else { |
| activities.remove(activity); |
| path.addAll(getPath(activities, parentWorkflow, profile)); |
| } |
| break; |
| } |
| break; |
| } |
| path.add(workflow); |
| return path; |
| } |
| |
| private Workflow getNestedWorkflow(Workflow workflow, Profile profile, |
| Activity activity) { |
| for (Configuration configuration : scufl2Tools.configurationsFor( |
| activity, profile)) { |
| JsonNode nested = configuration.getJson().get("nestedWorkflow"); |
| Workflow wf = workflow.getParent().getWorkflows() |
| .getByName(nested.asText()); |
| if (wf != null) |
| return wf; |
| } |
| return null; |
| } |
| |
| private class SelectionManagerObserver extends |
| SwingAwareObserver<SelectionManagerEvent> { |
| @Override |
| public void notifySwing(Observable<SelectionManagerEvent> sender, |
| SelectionManagerEvent message) { |
| if (message instanceof WorkflowBundleSelectionEvent) |
| bundleSelected((WorkflowBundleSelectionEvent) message); |
| else if (message instanceof WorkflowSelectionEvent) |
| workflowSelected((WorkflowSelectionEvent) message); |
| } |
| } |
| |
| private void workflowSelected(WorkflowSelectionEvent event) { |
| update(event.getSelectedWorkflow()); |
| } |
| |
| private void bundleSelected(WorkflowBundleSelectionEvent event) { |
| WorkflowBundle workflowBundle = event.getSelectedWorkflowBundle(); |
| if (workflowBundle == null) |
| update((Workflow) null); |
| else |
| update(selectionManager.getSelectedWorkflow()); |
| } |
| } |