+++ /dev/null
-package org.argeo.slc.client.ui.dist.utils;
-
-import java.math.BigDecimal;
-import java.util.Calendar;
-import java.util.List;
-
-import javax.jcr.Node;
-import javax.jcr.PropertyType;
-import javax.jcr.RepositoryException;
-import javax.jcr.Value;
-import javax.jcr.ValueFormatException;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
-import org.argeo.eclipse.ui.GenericTableComparator;
-import org.eclipse.jface.viewers.Viewer;
-
-public class NodeViewerComparator extends GenericTableComparator {
- private final static Log log = LogFactory
- .getLog(NodeViewerComparator.class);
-
- protected List<String> propertiesList;
- protected List<Integer> propertyTypesList;
- protected Integer propertyType;
- protected String property;
-
- public NodeViewerComparator(int defaultColIndex, int defaultDirection,
- List<String> propertiesList, List<Integer> propertyTypesList) {
- super(defaultColIndex, defaultDirection);
- this.propertiesList = propertiesList;
- this.propertyTypesList = propertyTypesList;
- this.propertyIndex = defaultColIndex;
- this.propertyType = propertyTypesList.get(defaultColIndex);
- this.property = propertiesList.get(defaultColIndex);
- setColumn(defaultColIndex);
- }
-
- @Override
- public int compare(Viewer viewer, Object e1, Object e2) {
- int rc = 0;
- long lc = 0;
-
- try {
- Node n1 = (Node) e1;
- Node n2 = (Node) e2;
-
- Value v1 = null;
- Value v2 = null;
- if (n1.hasProperty(property))
- v1 = n1.getProperty(property).getValue();
- if (n2.hasProperty(property))
- v2 = n2.getProperty(property).getValue();
-
- if (v2 == null && v1 == null)
- return 0;
- else if (v2 == null)
- return -1;
- else if (v1 == null)
- return 1;
-
- switch (propertyType) {
- case PropertyType.STRING:
- rc = v1.getString().compareTo(v2.getString());
- break;
- case PropertyType.BOOLEAN:
- boolean b1 = v1.getBoolean();
- boolean b2 = v2.getBoolean();
- if (b1 == b2)
- rc = 0;
- else
- // we assume true is greater than false
- rc = b1 ? 1 : -1;
- break;
- case PropertyType.DATE:
- Calendar c1 = v1.getDate();
- Calendar c2 = v2.getDate();
- if (c1 == null || c2 == null)
- log.trace("undefined date");
- lc = c1.getTimeInMillis() - c2.getTimeInMillis();
- if (lc < Integer.MIN_VALUE)
- // rc = Integer.MIN_VALUE;
- rc = -1;
- else if (lc > Integer.MAX_VALUE)
- // rc = Integer.MAX_VALUE;
- rc = 1;
- else
- rc = (int) lc;
- break;
- case PropertyType.LONG:
- long l1;
- long l2;
- // FIXME sometimes an empty string is set instead of the id
- try {
- l1 = v1.getLong();
- } catch (ValueFormatException ve) {
- l1 = 0;
- }
- try {
- l2 = v2.getLong();
- } catch (ValueFormatException ve) {
- l2 = 0;
- }
-
- lc = l1 - l2;
- if (lc < Integer.MIN_VALUE)
- // rc = Integer.MIN_VALUE;
- rc = -1;
- else if (lc > Integer.MAX_VALUE)
- // rc = Integer.MAX_VALUE;
- rc = 1;
- else
- rc = (int) lc;
- break;
- case PropertyType.DECIMAL:
- BigDecimal bd1 = v1.getDecimal();
- BigDecimal bd2 = v2.getDecimal();
- rc = bd1.compareTo(bd2);
- break;
- default:
- throw new ArgeoException(
- "Unimplemented comparaison for PropertyType "
- + propertyType);
- }
-
- // If descending order, flip the direction
- if (direction == DESCENDING) {
- rc = -rc;
- }
-
- } catch (RepositoryException re) {
- throw new ArgeoException("Unexpected error "
- + "while comparing nodes", re);
- }
- return rc;
- }
-
- @Override
- public void setColumn(int column) {
- if (column == this.propertyIndex) {
- // Same column as last sort; toggle the direction
- direction = 1 - direction;
- } else {
- // New column; do a descending sort
- this.propertyIndex = column;
- this.propertyType = propertyTypesList.get(column);
- this.property = propertiesList.get(column);
- direction = ASCENDING;
- }
- }
-}
\ No newline at end of file
projects / gpl / argeo-slc.git / blobdiff