service/simulator/java/eclipse-plugin/ServiceProviderPlugin/src/oic/simulator/serviceprovider/view/ResourceObserverView.java

   1 /*
   2  * Copyright 2015 Samsung Electronics All Rights Reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package oic.simulator.serviceprovider.view;
  18
  19 import java.util.Iterator;
  20 import java.util.Map;
  21 import java.util.Set;
  22
  23 import oic.simulator.serviceprovider.Activator;
  24 import oic.simulator.serviceprovider.listener.IObserverListChangedUIListener;
  25 import oic.simulator.serviceprovider.listener.IResourceSelectionChangedUIListener;
  26 import oic.simulator.serviceprovider.manager.ResourceManager;
  27 import oic.simulator.serviceprovider.resource.ObserverDetail;
  28 import oic.simulator.serviceprovider.resource.SimulatorResource;
  29 import oic.simulator.serviceprovider.utils.Constants;
  30
  31 import org.eclipse.jface.viewers.CellEditor;
  32 import org.eclipse.jface.viewers.CheckboxCellEditor;
  33 import org.eclipse.jface.viewers.ColumnLabelProvider;
  34 import org.eclipse.jface.viewers.EditingSupport;
  35 import org.eclipse.jface.viewers.IStructuredContentProvider;
  36 import org.eclipse.jface.viewers.StyledCellLabelProvider;
  37 import org.eclipse.jface.viewers.TableViewer;
  38 import org.eclipse.jface.viewers.TableViewerColumn;
  39 import org.eclipse.jface.viewers.Viewer;
  40 import org.eclipse.jface.viewers.ViewerCell;
  41 import org.eclipse.swt.SWT;
  42 import org.eclipse.swt.graphics.Image;
  43 import org.eclipse.swt.layout.GridData;
  44 import org.eclipse.swt.layout.GridLayout;
  45 import org.eclipse.swt.widgets.Composite;
  46 import org.eclipse.swt.widgets.Display;
  47 import org.eclipse.swt.widgets.Table;
  48 import org.eclipse.ui.part.ViewPart;
  49
  50 /**
  51  * This class manages and shows the resource observer view in the perspective.
  52  */
  53 public class ResourceObserverView extends ViewPart {
  54     public static final String                  VIEW_ID       = "oic.simulator.serviceprovider.view.observer";
  55
  56     private TableViewer                         tblViewer;
  57
  58     private final String[]                      columnHeaders = {
  59             "Client Address", "Port", "Notify"               };
  60
  61     private final Integer[]                     columnWidth   = { 150, 75, 50 };
  62
  63     private IResourceSelectionChangedUIListener resourceSelectionChangedListener;
  64
  65     private IObserverListChangedUIListener      resourceObserverListChangedListener;
  66
  67     private ResourceManager                     resourceManagerRef;
  68
  69     public ResourceObserverView() {
  70
  71         resourceManagerRef = Activator.getDefault().getResourceManager();
  72
  73         resourceSelectionChangedListener = new IResourceSelectionChangedUIListener() {
  74
  75             @Override
  76             public void onResourceSelectionChange() {
  77                 Display.getDefault().asyncExec(new Runnable() {
  78
  79                     @Override
  80                     public void run() {
  81                         if (null != tblViewer) {
  82                             changeButtonStatus();
  83                             updateViewer(getData(resourceManagerRef
  84                                     .getCurrentResourceInSelection()));
  85                         }
  86                     }
  87                 });
  88             }
  89         };
  90
  91         resourceObserverListChangedListener = new IObserverListChangedUIListener() {
  92
  93             @Override
  94             public void onObserverListChanged(final String resourceURI) {
  95                 Display.getDefault().asyncExec(new Runnable() {
  96
  97                     @Override
  98                     public void run() {
  99                         if (null == resourceURI) {
 100                             return;
 101                         }
 102                         SimulatorResource resource = resourceManagerRef
 103                                 .getCurrentResourceInSelection();
 104                         if (null == resource) {
 105                             return;
 106                         }
 107                         if (resource.getResourceURI().equals(resourceURI)) {
 108                             if (null != tblViewer) {
 109                                 updateViewer(getData(resource));
 110                             }
 111                         }
 112                     }
 113                 });
 114
 115             }
 116         };
 117     }
 118
 119     private Map<Integer, ObserverDetail> getData(SimulatorResource resource) {
 120         if (null == resource) {
 121             return null;
 122         }
 123         return resource.getObserver();
 124     }
 125
 126     private void updateViewer(Map<Integer, ObserverDetail> observer) {
 127         if (null != tblViewer) {
 128             Table tbl = tblViewer.getTable();
 129             if (null != observer && observer.size() > 0) {
 130                 tblViewer.setInput(observer.entrySet().toArray());
 131                 if (!tbl.isDisposed()) {
 132                     tbl.setLinesVisible(true);
 133                 }
 134             } else {
 135                 if (!tbl.isDisposed()) {
 136                     tbl.removeAll();
 137                     tbl.setLinesVisible(false);
 138                 }
 139             }
 140         }
 141     }
 142
 143     @Override
 144     public void createPartControl(Composite parent) {
 145         parent.setLayout(new GridLayout(1, false));
 146
 147         tblViewer = new TableViewer(parent, SWT.SINGLE | SWT.H_SCROLL
 148                 | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
 149
 150         createColumns(tblViewer);
 151
 152         // make lines and header visible
 153         final Table table = tblViewer.getTable();
 154         table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 155         table.setHeaderVisible(true);
 156         table.setLinesVisible(true);
 157
 158         tblViewer.setContentProvider(new ObserverContentProvider());
 159
 160         addManagerListeners();
 161
 162         // Check whether there is any resource selected already
 163         Map<Integer, ObserverDetail> observerList = getData(resourceManagerRef
 164                 .getCurrentResourceInSelection());
 165         if (null != observerList) {
 166             updateViewer(observerList);
 167         }
 168     }
 169
 170     public void createColumns(TableViewer tableViewer) {
 171         TableViewerColumn addressColumn = new TableViewerColumn(tableViewer,
 172                 SWT.NONE);
 173         addressColumn.getColumn().setWidth(columnWidth[0]);
 174         addressColumn.getColumn().setText(columnHeaders[0]);
 175         addressColumn.setLabelProvider(new StyledCellLabelProvider() {
 176             @Override
 177             public void update(ViewerCell cell) {
 178                 Object element = cell.getElement();
 179                 if (element instanceof Map.Entry) {
 180                     @SuppressWarnings("unchecked")
 181                     Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 182                     cell.setText(observer.getValue().getObserverInfo()
 183                             .getAddress());
 184                 }
 185             }
 186         });
 187
 188         TableViewerColumn portColumn = new TableViewerColumn(tableViewer,
 189                 SWT.NONE);
 190         portColumn.getColumn().setWidth(columnWidth[1]);
 191         portColumn.getColumn().setText(columnHeaders[1]);
 192         portColumn.setLabelProvider(new StyledCellLabelProvider() {
 193             @Override
 194             public void update(ViewerCell cell) {
 195                 Object element = cell.getElement();
 196                 if (element instanceof Map.Entry) {
 197                     @SuppressWarnings("unchecked")
 198                     Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 199                     cell.setText(String.valueOf(observer.getValue()
 200                             .getObserverInfo().getPort()));
 201                 }
 202             }
 203         });
 204
 205         TableViewerColumn notifyColumn = new TableViewerColumn(tableViewer,
 206                 SWT.NONE);
 207         notifyColumn.getColumn().setWidth(columnWidth[2]);
 208         notifyColumn.getColumn().setText(columnHeaders[2]);
 209         notifyColumn.setLabelProvider(new ColumnLabelProvider() {
 210
 211             @Override
 212             public String getText(Object element) {
 213                 return "";
 214             }
 215
 216             @Override
 217             public Image getImage(Object element) {
 218                 @SuppressWarnings("unchecked")
 219                 Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 220                 if (observer.getValue().isClicked()) {
 221                     return Activator.getDefault().getImageRegistry()
 222                             .get(Constants.NOTIFY_BUTTON_SELECTED);
 223                 }
 224                 return Activator.getDefault().getImageRegistry()
 225                         .get(Constants.NOTIFY_BUTTON_UNSELECTED);
 226             }
 227         });
 228         notifyColumn.setEditingSupport(new NotifyEditor(tableViewer));
 229     }
 230
 231     private void addManagerListeners() {
 232         resourceManagerRef
 233                 .addResourceSelectionChangedUIListener(resourceSelectionChangedListener);
 234         resourceManagerRef
 235                 .addObserverListChangedUIListener(resourceObserverListChangedListener);
 236     }
 237
 238     class ObserverContentProvider implements IStructuredContentProvider {
 239
 240         @Override
 241         public void dispose() {
 242         }
 243
 244         @Override
 245         public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
 246         }
 247
 248         @Override
 249         public Object[] getElements(Object element) {
 250             return (Object[]) element;
 251         }
 252
 253     }
 254
 255     class NotifyEditor extends EditingSupport {
 256
 257         private final TableViewer viewer;
 258
 259         public NotifyEditor(TableViewer viewer) {
 260             super(viewer);
 261             this.viewer = viewer;
 262         }
 263
 264         @Override
 265         protected boolean canEdit(Object arg0) {
 266             return true;
 267         }
 268
 269         @Override
 270         protected CellEditor getCellEditor(Object element) {
 271             return new CheckboxCellEditor(null, SWT.CHECK | SWT.READ_ONLY);
 272         }
 273
 274         @Override
 275         protected Object getValue(Object element) {
 276             System.out.println("getValue()");
 277             @SuppressWarnings("unchecked")
 278             Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 279             return observer.getValue().isClicked();
 280         }
 281
 282         @Override
 283         protected void setValue(Object element, Object value) {
 284             System.out.println("setValue()");
 285             // Change the button status of all the resources
 286             changeButtonStatus();
 287
 288             @SuppressWarnings("unchecked")
 289             Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 290             observer.getValue().setClicked(true);
 291             viewer.refresh();
 292
 293             // Call Native Method
 294             resourceManagerRef.notifyObserverRequest(
 295                     resourceManagerRef.getCurrentResourceInSelection(),
 296                     observer.getValue().getObserverInfo().getId());
 297         }
 298     }
 299
 300     private void changeButtonStatus() {
 301         SimulatorResource resource = resourceManagerRef
 302                 .getCurrentResourceInSelection();
 303         if (null == resource) {
 304             return;
 305         }
 306         Map<Integer, ObserverDetail> observerMap = resource.getObserver();
 307         if (null == observerMap) {
 308             return;
 309         }
 310         Set<Integer> keySet = observerMap.keySet();
 311         Iterator<Integer> itr = keySet.iterator();
 312         while (itr.hasNext()) {
 313             observerMap.get(itr.next()).setClicked(false);
 314         }
 315     }
 316
 317     @Override
 318     public void dispose() {
 319         // Unregister the listener
 320         if (null != resourceSelectionChangedListener) {
 321             resourceManagerRef
 322                     .removeResourceSelectionChangedUIListener(resourceSelectionChangedListener);
 323         }
 324
 325         if (null != resourceObserverListChangedListener) {
 326             resourceManagerRef
 327                     .removeObserverListChangedUIListener(resourceObserverListChangedListener);
 328         }
 329         super.dispose();
 330     }
 331
 332     @Override
 333     public void setFocus() {
 334     }
 335
 336 }