+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package org.argeo.eclipse.ui.jcr.editors;
import java.util.ArrayList;
import javax.jcr.query.Row;
import javax.jcr.query.RowIterator;
+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.core.runtime.IProgressMonitor;
/** Executes any JCR query. */
public abstract class AbstractJcrQueryEditor extends EditorPart {
+ private final static Log log = LogFactory
+ .getLog(AbstractJcrQueryEditor.class);
protected String initialQuery;
protected String initialQueryType;
- // IoC
+ /* DEPENDENCY INJECTION */
private Session session;
+ // Widgets
private TableViewer viewer;
private List<TableViewerColumn> tableViewerColumns = new ArrayList<TableViewerColumn>();
private GenericTableComparator comparator;
+ /** Override to layout a form enabling the end user to build his query */
protected abstract void createQueryForm(Composite parent);
@Override
protected void executeQuery(String statement) {
try {
+ if (log.isDebugEnabled())
+ log.debug("Query : " + statement);
+
QueryResult qr = session.getWorkspace().getQueryManager()
.createQuery(statement, initialQueryType).execute();
for (TableViewerColumn tvc : tableViewerColumns)
tvc.getColumn().dispose();
+ int i = 0;
for (final String columnName : qr.getColumnNames()) {
TableViewerColumn tvc = new TableViewerColumn(viewer, SWT.NONE);
- configureColumn(columnName, tvc);
+ configureColumn(columnName, tvc, i);
tvc.setLabelProvider(getLabelProvider(columnName));
tableViewerColumns.add(tvc);
+ i++;
+ }
+
+ // Must create a local list: QueryResults can only be read once.
+ try {
+ List<Row> rows = new ArrayList<Row>();
+ RowIterator rit = qr.getRows();
+ while (rit.hasNext()) {
+ rows.add(rit.nextRow());
+ }
+ viewer.setInput(rows);
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot read query result", e);
}
- viewer.setInput(qr);
} catch (RepositoryException e) {
ErrorDialog.openError(null, "Error", "Cannot execute JCR query: "
+ statement, new Status(IStatus.ERROR,
"org.argeo.eclipse.ui.jcr", e.getMessage()));
- // throw new ArgeoException("Cannot execute JCR query " + statement,
- // e);
}
}
};
}
- /** To be overridden in order to configure the columns. */
+ /**
+ * To be overridden in order to configure the columns.
+ *
+ * @deprecated use {@link
+ * org.argeo.eclipse.ui.jcr.editors.AbstractJcrQueryEditor.
+ * configureColumn(String jcrColumnName, TableViewerColumn
+ * column, int columnIndex)} instead
+ */
protected void configureColumn(String jcrColumnName,
TableViewerColumn column) {
column.getColumn().setWidth(50);
column.getColumn().setText(jcrColumnName);
}
+ /** To be overridden in order to configure the columns. */
+ protected void configureColumn(String jcrColumnName,
+ TableViewerColumn column, int columnIndex) {
+ column.getColumn().setWidth(50);
+ column.getColumn().setText(jcrColumnName);
+ }
+
private class QueryResultContentProvider implements
IStructuredContentProvider {
}
public Object[] getElements(Object inputElement) {
+
+ if (inputElement instanceof List)
+ return ((List<?>) inputElement).toArray();
+
+ // Never reached might be deleted in future release
if (!(inputElement instanceof QueryResult))
return new String[] {};
protected SelectionAdapter getSelectionAdapter(final TableColumn column,
final int index) {
+ // A comparator must be define
+ if (comparator == null)
+ return null;
+
SelectionAdapter selectionAdapter = new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
- if (true)
- return;
-// try {
-//
-// comparator.setColumn(index);
-// int dir = viewer.getTable().getSortDirection();
-// if (viewer.getTable().getSortColumn() == column) {
-// dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
-// } else {
-//
-// dir = SWT.DOWN;
-// }
-// viewer.getTable().setSortDirection(dir);
-// viewer.getTable().setSortColumn(column);
-// viewer.refresh();
-// } catch (Exception exc) {
-// exc.printStackTrace();
-// }
+ try {
+
+ comparator.setColumn(index);
+ int dir = viewer.getTable().getSortDirection();
+ if (viewer.getTable().getSortColumn() == column) {
+ dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
+ } else {
+
+ dir = SWT.DOWN;
+ }
+ viewer.getTable().setSortDirection(dir);
+ viewer.getTable().setSortColumn(column);
+ viewer.refresh();
+ } catch (Exception exc) {
+ exc.printStackTrace();
+ }
}
};
return selectionAdapter;
}
/**
- * To be overriden to enable sorting.
- *
- * @author bsinou
- *
+ * To be overridden to enable sorting.
*/
protected GenericTableComparator getComparator() {
return null;
@Override
public void doSave(IProgressMonitor monitor) {
// TODO save the query in JCR?
-
}
@Override
return false;
}
- // IoC
+ /** Returns the injected current session */
+ protected Session getSession() {
+ return session;
+ }
+
+ /* DEPENDENCY INJECTION */
public void setSession(Session session) {
this.session = session;
}
projects / lgpl / argeo-commons.git / blobdiff