ResultFailedDecorator.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.slc.client.ui.decorators;
  17
  18 import java.text.DateFormat;
  19 import java.text.SimpleDateFormat;
  20
  21 import javax.jcr.Node;
  22 import javax.jcr.RepositoryException;
  23
  24 import org.argeo.slc.SlcException;
  25 import org.argeo.slc.client.ui.ClientUiPlugin;
  26 import org.argeo.slc.client.ui.SlcUiConstants;
  27 import org.argeo.slc.client.ui.model.ResultParent;
  28 import org.argeo.slc.client.ui.model.SingleResultNode;
  29 import org.argeo.slc.jcr.SlcNames;
  30 import org.eclipse.jface.resource.ImageDescriptor;
  31 import org.eclipse.jface.viewers.DecorationOverlayIcon;
  32 import org.eclipse.jface.viewers.IDecoration;
  33 import org.eclipse.jface.viewers.ILabelDecorator;
  34 import org.eclipse.jface.viewers.LabelProvider;
  35 import org.eclipse.swt.graphics.Image;
  36 import org.eclipse.ui.ISharedImages;
  37
  38 public class ResultFailedDecorator extends LabelProvider implements
  39                 ILabelDecorator {
  40
  41         // private final static Log log = LogFactory
  42         // .getLog(ResultFailedDecorator.class);
  43
  44         private final static DateFormat dateFormat = new SimpleDateFormat(
  45                         SlcUiConstants.DEFAULT_DISPLAY_DATE_TIME_FORMAT);
  46
  47         public ResultFailedDecorator() {
  48                 super();
  49         }
  50
  51         // Method to decorate Image
  52         public Image decorateImage(Image image, Object object) {
  53
  54                 // This method returns an annotated image or null if the
  55                 // image need not be decorated. Returning a null image
  56                 // decorates resource icon with basic decorations provided
  57                 // by Eclipse
  58                 if (object instanceof ResultParent) {
  59                         if (!((ResultParent) object).isPassed()) {
  60                                 ImageDescriptor desc = ClientUiPlugin.getDefault()
  61                                                 .getWorkbench().getSharedImages()
  62                                                 .getImageDescriptor(ISharedImages.IMG_DEC_FIELD_ERROR);
  63                                 DecorationOverlayIcon decoratedImage = new DecorationOverlayIcon(
  64                                                 image, desc, IDecoration.TOP_LEFT);
  65                                 return decoratedImage.createImage();
  66                         } else
  67                                 return null;
  68                 }
  69                 return null;
  70         }
  71
  72         // Method to decorate Text
  73         public String decorateText(String label, Object object) {
  74                 if (object instanceof SingleResultNode) {
  75                         SingleResultNode srNode = (SingleResultNode) object;
  76                         Node node = srNode.getNode();
  77                         String decoration = null;
  78                         try {
  79                                 if (node.hasProperty(SlcNames.SLC_COMPLETED))
  80                                         decoration = dateFormat.format(node
  81                                                         .getProperty(SlcNames.SLC_COMPLETED).getDate()
  82                                                         .getTime());
  83                         } catch (RepositoryException re) {
  84                                 throw new SlcException(
  85                                                 "Unexpected error defining text decoration for result", re);
  86                         }
  87                         return label + " [" + decoration + "]";
  88                 } else
  89                         return null;
  90         }
  91
  92 }