+++ /dev/null
-package org.argeo.eclipse.ui.jcr;
-
-import java.util.Calendar;
-
-import javax.jcr.Node;
-import javax.jcr.PropertyType;
-import javax.jcr.RepositoryException;
-
-import org.argeo.eclipse.ui.EclipseUiException;
-import org.argeo.eclipse.ui.jcr.lists.NodeViewerComparator;
-import org.argeo.eclipse.ui.jcr.lists.RowViewerComparator;
-import org.eclipse.jface.viewers.TableViewer;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.widgets.Table;
-
-/** Utility methods to simplify UI development using SWT (or RWT), jface and JCR. */
-public class JcrUiUtils {
-
- /**
- * Centralizes management of updating property value. Among other to avoid
- * infinite loop when the new value is the same as the ones that is already
- * stored in JCR.
- *
- * @return true if the value as changed
- */
- public static boolean setJcrProperty(Node node, String propName,
- int propertyType, Object value) {
- try {
- switch (propertyType) {
- case PropertyType.STRING:
- if ("".equals((String) value)
- && (!node.hasProperty(propName) || node
- .hasProperty(propName)
- && "".equals(node.getProperty(propName)
- .getString())))
- // workaround the fact that the Text widget value cannot be
- // set to null
- return false;
- else if (node.hasProperty(propName)
- && node.getProperty(propName).getString()
- .equals((String) value))
- // nothing changed yet
- return false;
- else {
- node.setProperty(propName, (String) value);
- return true;
- }
- case PropertyType.BOOLEAN:
- if (node.hasProperty(propName)
- && node.getProperty(propName).getBoolean() == (Boolean) value)
- // nothing changed yet
- return false;
- else {
- node.setProperty(propName, (Boolean) value);
- return true;
- }
- case PropertyType.DATE:
- if (node.hasProperty(propName)
- && node.getProperty(propName).getDate()
- .equals((Calendar) value))
- // nothing changed yet
- return false;
- else {
- node.setProperty(propName, (Calendar) value);
- return true;
- }
- case PropertyType.LONG:
- Long lgValue = (Long) value;
-
- if (lgValue == null)
- lgValue = 0L;
-
- if (node.hasProperty(propName)
- && node.getProperty(propName).getLong() == lgValue)
- // nothing changed yet
- return false;
- else {
- node.setProperty(propName, lgValue);
- return true;
- }
-
- default:
- throw new EclipseUiException("Unimplemented property save");
- }
- } catch (RepositoryException re) {
- throw new EclipseUiException("Unexpected error while setting property",
- re);
- }
- }
-
- /**
- * Creates a new selection adapter in order to provide sorting abitily on a
- * SWT Table that display a row list
- **/
- public static SelectionAdapter getRowSelectionAdapter(final int index,
- final int propertyType, final String selectorName,
- final String propertyName, final RowViewerComparator comparator,
- final TableViewer viewer) {
- SelectionAdapter selectionAdapter = new SelectionAdapter() {
- private static final long serialVersionUID = -5738918304901437720L;
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- Table table = viewer.getTable();
- comparator.setColumn(propertyType, selectorName, propertyName);
- int dir = table.getSortDirection();
- if (table.getSortColumn() == table.getColumn(index)) {
- dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
- } else {
- dir = SWT.DOWN;
- }
- table.setSortDirection(dir);
- table.setSortColumn(table.getColumn(index));
- viewer.refresh();
- }
- };
- return selectionAdapter;
- }
-
- /**
- * Creates a new selection adapter in order to provide sorting abitily on a
- * swt table that display a row list
- **/
- public static SelectionAdapter getNodeSelectionAdapter(final int index,
- final int propertyType, final String propertyName,
- final NodeViewerComparator comparator, final TableViewer viewer) {
- SelectionAdapter selectionAdapter = new SelectionAdapter() {
- private static final long serialVersionUID = -1683220869195484625L;
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- Table table = viewer.getTable();
- comparator.setColumn(propertyType, propertyName);
- int dir = table.getSortDirection();
- if (table.getSortColumn() == table.getColumn(index)) {
- dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
- } else {
- dir = SWT.DOWN;
- }
- table.setSortDirection(dir);
- table.setSortColumn(table.getColumn(index));
- viewer.refresh();
- }
- };
- return selectionAdapter;
- }
-}