| /* |
| * 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.opennlp.corpus_server.caseditor; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.ws.rs.core.MediaType; |
| |
| import org.eclipse.jface.layout.GridDataFactory; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.IOpenListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.jface.viewers.OpenEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.part.ViewPart; |
| |
| import com.sun.jersey.api.client.Client; |
| import com.sun.jersey.api.client.ClientResponse; |
| import com.sun.jersey.api.client.WebResource; |
| |
| /** |
| * A task queue view to retrieve the next annotation task subject from the corpus server. |
| */ |
| public class TaskQueueView extends ViewPart { |
| |
| private Composite explorerComposite; |
| private Text serverUrl; |
| |
| private TableViewer historyViewer; |
| |
| private List<IEditorInput> lastInputElements = new ArrayList<IEditorInput>(); |
| |
| @Override |
| public void createPartControl(Composite parent) { |
| |
| explorerComposite = new Composite(parent, SWT.NONE); |
| GridLayout explorerLayout = new GridLayout(); |
| explorerLayout.numColumns = 2; |
| explorerComposite.setLayout(explorerLayout); |
| |
| // URL field to connect to corpus server and corpus |
| Label serverLabel = new Label(explorerComposite, SWT.NONE); |
| serverLabel.setText("Server:"); |
| |
| serverUrl = new Text(explorerComposite, SWT.BORDER); |
| GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false) |
| .applyTo(serverUrl); |
| |
| // TOOD: Should be stored in some way, or just done more sophisticated .. |
| serverUrl.setText("http://localhost:8080/corpus-server/rest/queues/ObamaNerTask"); |
| |
| // Button for next cas (gets nexts and closes current one, |
| // if not saved user is asked for it) |
| Button nextDocument = new Button(explorerComposite, SWT.BORDER); |
| nextDocument.setText("Next"); |
| GridDataFactory.swtDefaults().span(2, 1).align(SWT.FILL, SWT.CENTER) |
| .grab(true, false).applyTo(nextDocument); |
| |
| nextDocument.addSelectionListener(new SelectionListener() { |
| |
| @Override |
| public void widgetSelected(SelectionEvent event) { |
| |
| Client c = Client.create(); |
| |
| WebResource queueWebResource = c.resource(serverUrl.getText()); |
| |
| ClientResponse response2 = queueWebResource |
| .path("_nextTask") |
| .accept(MediaType.APPLICATION_JSON) |
| .header("Content-Type", MediaType.TEXT_XML) |
| .get(ClientResponse.class); |
| |
| String casId = response2.getEntity(String.class); |
| |
| // How to get the corpus uri for the item returned from the queue ??? |
| // Queue could always return full URI ... |
| |
| // we also need to corpus the cas id belongs too ... |
| IWorkbenchPage page = TaskQueueView.this.getSite().getPage(); |
| |
| // TODO: Thats a short cut, we need to make this work properly ... |
| IEditorInput input = new CorpusServerCasEditorInput( |
| "http://localhost:8080/corpus-server/rest/corpora/wikinews", casId); |
| |
| try { |
| page.openEditor(input, "org.apache.uima.caseditor.editor"); |
| } catch (PartInitException e) { |
| e.printStackTrace(); |
| } |
| |
| // Add casId to historyViewer ... should be inserted at the top, not bottom. |
| |
| lastInputElements.add(input); |
| historyViewer.insert(input, 0); |
| |
| if (lastInputElements.size() > 10) { |
| IEditorInput tooOldInput = lastInputElements.remove(0); |
| historyViewer.remove(tooOldInput); |
| } |
| } |
| |
| @Override |
| public void widgetDefaultSelected(SelectionEvent event) { |
| } |
| }); |
| |
| // History view ... shows n last opened CASes ... |
| historyViewer = new TableViewer(explorerComposite); |
| historyViewer.setLabelProvider(new ITableLabelProvider() { |
| |
| @Override |
| public void addListener(ILabelProviderListener arg0) { |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| |
| @Override |
| public boolean isLabelProperty(Object arg0, String arg1) { |
| return false; |
| } |
| |
| @Override |
| public void removeListener(ILabelProviderListener arg0) { |
| } |
| |
| @Override |
| public Image getColumnImage(Object arg0, int arg1) { |
| return null; |
| } |
| |
| @Override |
| public String getColumnText(Object arg0, int arg1) { |
| return ((IEditorInput) arg0).getName(); |
| }}); |
| |
| GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL).grab(true, true) |
| .span(2, 1).applyTo(historyViewer.getTable()); |
| |
| historyViewer.addOpenListener(new IOpenListener() { |
| |
| @Override |
| public void open(OpenEvent event) { |
| |
| StructuredSelection selection = (StructuredSelection) event.getSelection(); |
| |
| if (!selection.isEmpty()) { |
| IWorkbenchPage page = TaskQueueView.this.getSite().getPage(); |
| |
| IEditorInput input = (IEditorInput) selection.getFirstElement(); |
| |
| try { |
| page.openEditor(input, "org.apache.uima.caseditor.editor"); |
| } catch (PartInitException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| }); |
| } |
| |
| @Override |
| public void setFocus() { |
| } |
| } |