Bug 212984 Disable Dimension or Level drag into outline
Description: The levels are not auto-outspread when drag the dimension from Data explorer to Outline Build number: 2.3.0.v20071214 Steps to reproduce: 1, New a cube with multiple levels in one dimension 2, New a crosstab 3, Drag the dimension from cube to crosstab's column area in Outline Expected result: The levels are auto-outspread. Actual result: The levels are not auto-outspread. Error log:
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/editors/commands/AddDimensionViewHandleCommand.java
*  Actuate Corporation  - initial API and implementation
 *******************************************************************************/
package org.eclipse.birt.report.item.crosstab.internal.ui.editors.commands;
import org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler;
import org.eclipse.birt.report.designer.ui.newelement.DesignElementFactory;
import org.eclipse.birt.report.item.crosstab.core.de.CrosstabCellHandle;
import org.eclipse.birt.report.item.crosstab.core.de.CrosstabReportItemHandle;
import org.eclipse.birt.report.item.crosstab.core.de.DimensionViewHandle;
import org.eclipse.birt.report.item.crosstab.core.de.LevelViewHandle;
import org.eclipse.birt.report.item.crosstab.internal.ui.editors.model.CrosstabAdaptUtil;
import org.eclipse.birt.report.item.crosstab.internal.ui.editors.model.CrosstabCellAdapter;
import org.eclipse.birt.report.item.crosstab.internal.ui.editors.model.VirtualCrosstabCellAdapter;
import org.eclipse.birt.report.item.crosstab.ui.i18n.Messages;
import org.eclipse.birt.report.model.api.ComputedColumnHandle;
import org.eclipse.birt.report.model.api.DataItemHandle;
import org.eclipse.birt.report.model.api.DesignElementHandle;
import org.eclipse.birt.report.model.api.ExtendedItemHandle;
import org.eclipse.birt.report.model.api.activity.SemanticException;
import org.eclipse.birt.report.model.api.elements.structures.ComputedColumn;
import org.eclipse.birt.report.model.api.olap.DimensionHandle;
import org.eclipse.birt.report.model.api.olap.LevelHandle;
/**
 * Add the Dimension handle to the cross tab.When drag the Dimension handle to
 * the column or row area of the cross tab, execute the command.
 */
public class AddDimensionViewHandleCommand extends AbstractCrosstabCommand
{
	private CrosstabCellAdapter handleAdpter;
	/**
	 * Column or the row type.See the ICrosstabConstants row and column axis