eclipse/plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/providers/ArtifactLabelProvider.java

   1 package org.argeo.slc.client.ui.dist.providers;
   2
   3 import java.text.DateFormat;
   4 import java.text.SimpleDateFormat;
   5
   6 import javax.jcr.Node;
   7 import javax.jcr.Property;
   8 import javax.jcr.PropertyType;
   9 import javax.jcr.RepositoryException;
  10 import javax.jcr.Value;
  11
  12 import org.argeo.ArgeoException;
  13 import org.argeo.jcr.JcrUtils;
  14 import org.argeo.slc.client.ui.dist.DistConstants;
  15 import org.eclipse.jface.viewers.ColumnLabelProvider;
  16 import org.eclipse.jface.viewers.ViewerCell;
  17
  18 public class ArtifactLabelProvider extends ColumnLabelProvider implements
  19                 DistConstants {
  20
  21         // To be able to change column order easily
  22         public static final int COLUMN_TREE = 0;
  23         public static final int COLUMN_DATE = 1;
  24         public static final int COLUMN_SIZE = 2;
  25
  26         // Utils
  27         protected DateFormat timeFormatter = new SimpleDateFormat(DATE_TIME_FORMAT);
  28
  29         public void update(ViewerCell cell) {
  30                 Object element = cell.getElement();
  31                 cell.setText(getColumnText(element, cell.getColumnIndex()));
  32                 // Image image = getImage(element);
  33                 // cell.setImage(image);
  34                 // cell.setBackground(getBackground(element));
  35                 // cell.setForeground(getForeground(element));
  36                 // cell.setFont(getFont(element));
  37         }
  38
  39         public String getColumnText(Object element, int columnIndex) {
  40                 try {
  41                         if (element instanceof Node) {
  42                                 Node node = (Node) element;
  43                                 switch (columnIndex) {
  44                                 case COLUMN_TREE:
  45                                         return node.getName();
  46                                 case COLUMN_SIZE:
  47                                         long size = JcrUtils.getNodeApproxSize(node) / 1024;
  48                                         if (size > 1024)
  49                                                 return size / 1024 + " MB";
  50                                         else
  51                                                 return size + " KB";
  52                                 case COLUMN_DATE:
  53                                         if (node.hasProperty(Property.JCR_CREATED))
  54                                                 return timeFormatter.format(node
  55                                                                 .getProperty(Property.JCR_CREATED).getDate()
  56                                                                 .getTime());
  57                                         else
  58                                                 return null;
  59                                 }
  60                         }
  61                 } catch (RepositoryException re) {
  62                         throw new ArgeoException(
  63                                         "Unexepected error while getting property values", re);
  64                 }
  65                 return null;
  66         }
  67
  68         private String formatValueAsString(Value value) {
  69                 // TODO enhance this method
  70                 try {
  71                         String strValue;
  72
  73                         if (value.getType() == PropertyType.BINARY)
  74                                 strValue = "<binary>";
  75                         else if (value.getType() == PropertyType.DATE)
  76                                 strValue = timeFormatter.format(value.getDate().getTime());
  77                         else
  78                                 strValue = value.getString();
  79                         return strValue;
  80                 } catch (RepositoryException e) {
  81                         throw new ArgeoException("unexpected error while formatting value",
  82                                         e);
  83                 }
  84         }
  85 }