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 org.eclipse.jface.viewers.CellEditor;
  20 import org.eclipse.jface.viewers.CheckboxCellEditor;
  21 import org.eclipse.jface.viewers.ColumnLabelProvider;
  22 import org.eclipse.jface.viewers.EditingSupport;
  23 import org.eclipse.jface.viewers.IStructuredContentProvider;
  24 import org.eclipse.jface.viewers.StyledCellLabelProvider;
  25 import org.eclipse.jface.viewers.TableViewer;
  26 import org.eclipse.jface.viewers.TableViewerColumn;
  27 import org.eclipse.jface.viewers.Viewer;
  28 import org.eclipse.jface.viewers.ViewerCell;
  29 import org.eclipse.swt.SWT;
  30 import org.eclipse.swt.graphics.Image;
  31 import org.eclipse.swt.layout.GridData;
  32 import org.eclipse.swt.layout.GridLayout;
  33 import org.eclipse.swt.widgets.Composite;
  34 import org.eclipse.swt.widgets.Display;
  35 import org.eclipse.swt.widgets.Table;
  36 import org.eclipse.ui.part.ViewPart;
  37
  38 import java.util.Iterator;
  39 import java.util.Map;
  40 import java.util.Set;
  41
  42 import oic.simulator.serviceprovider.Activator;
  43 import oic.simulator.serviceprovider.listener.IObserverListChangedListener;
  44 import oic.simulator.serviceprovider.listener.ISelectionChangedListener;
  45 import oic.simulator.serviceprovider.manager.ResourceManager;
  46 import oic.simulator.serviceprovider.manager.UiListenerHandler;
  47 import oic.simulator.serviceprovider.model.ObserverDetail;
  48 import oic.simulator.serviceprovider.model.Resource;
  49 import oic.simulator.serviceprovider.utils.Constants;
  50
  51 /**
  52  * This class manages and shows the resource observer view in the perspective.
  53  */
  54 public class ResourceObserverView extends ViewPart {
  55     public static final String           VIEW_ID       = "oic.simulator.serviceprovider.view.observer";
  56
  57     private TableViewer                  tblViewer;
  58
  59     private final String[]               columnHeaders = { "Client Address",
  60             "Port", "Notify"                          };
  61
  62     private final Integer[]              columnWidth   = { 150, 75, 50 };
  63
  64     private ISelectionChangedListener    resourceSelectionChangedListener;
  65
  66     private IObserverListChangedListener resourceObserverListChangedListener;
  67
  68     private ResourceManager              resourceManagerRef;
  69
  70     public ResourceObserverView() {
  71
  72         resourceManagerRef = Activator.getDefault().getResourceManager();
  73
  74         resourceSelectionChangedListener = new ISelectionChangedListener() {
  75
  76             @Override
  77             public void onResourceSelectionChange(final Resource resource) {
  78                 Display.getDefault().asyncExec(new Runnable() {
  79
  80                     @Override
  81                     public void run() {
  82                         if (null != tblViewer) {
  83                             changeButtonStatus();
  84                             updateViewer(getData(resource));
  85                         }
  86                     }
  87                 });
  88             }
  89         };
  90
  91         resourceObserverListChangedListener = new IObserverListChangedListener() {
  92
  93             @Override
  94             public void onObserverListChanged(final Resource resource) {
  95                 Display.getDefault().asyncExec(new Runnable() {
  96
  97                     @Override
  98                     public void run() {
  99                         if (null == resource) {
 100                             return;
 101                         }
 102                         Resource resourceInSelection = resourceManagerRef
 103                                 .getCurrentResourceInSelection();
 104                         if (null == resourceInSelection) {
 105                             return;
 106                         }
 107                         if (resource == resourceInSelection) {
 108                             if (null != tblViewer) {
 109                                 updateViewer(getData(resource));
 110                             }
 111                         }
 112                     }
 113                 });
 114
 115             }
 116         };
 117     }
 118
 119     private Map<Integer, ObserverDetail> getData(Resource 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         UiListenerHandler.getInstance().addResourceSelectionChangedUIListener(
 233                 resourceSelectionChangedListener);
 234         UiListenerHandler.getInstance().addObserverListChangedUIListener(
 235                 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             @SuppressWarnings("unchecked")
 277             Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 278             return observer.getValue().isClicked();
 279         }
 280
 281         @Override
 282         protected void setValue(Object element, Object value) {
 283             // Change the button status of all the resources
 284             changeButtonStatus();
 285
 286             @SuppressWarnings("unchecked")
 287             Map.Entry<Integer, ObserverDetail> observer = (Map.Entry<Integer, ObserverDetail>) element;
 288             observer.getValue().setClicked(true);
 289             viewer.refresh();
 290
 291             // Call Native Method
 292             resourceManagerRef.notifyObserverRequest(
 293                     resourceManagerRef.getCurrentResourceInSelection(),
 294                     observer.getValue().getObserverInfo().getId());
 295         }
 296     }
 297
 298     private void changeButtonStatus() {
 299         Resource resource = resourceManagerRef.getCurrentResourceInSelection();
 300         if (null == resource) {
 301             return;
 302         }
 303         Map<Integer, ObserverDetail> observerMap = resource.getObserver();
 304         if (null == observerMap) {
 305             return;
 306         }
 307         Set<Integer> keySet = observerMap.keySet();
 308         Iterator<Integer> itr = keySet.iterator();
 309         while (itr.hasNext()) {
 310             observerMap.get(itr.next()).setClicked(false);
 311         }
 312     }
 313
 314     @Override
 315     public void dispose() {
 316         // Unregister the listener
 317         if (null != resourceSelectionChangedListener) {
 318             UiListenerHandler.getInstance()
 319                     .removeResourceSelectionChangedUIListener(
 320                             resourceSelectionChangedListener);
 321         }
 322
 323         if (null != resourceObserverListChangedListener) {
 324             UiListenerHandler.getInstance()
 325                     .removeObserverListChangedUIListener(
 326                             resourceObserverListChangedListener);
 327         }
 328         super.dispose();
 329     }
 330
 331     @Override
 332     public void setFocus() {
 333     }
 334
 335 }