Bug 182664 Cross Tab: resize column doesn't behave correctly
When user drag to resize a column, it supposes to effect on the left column only. Currently when user drag to resize column, many other columns are resized too, unexpectedly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
* 
	 * @return all columns list.
	 */
	public List getColumns( )
	{
		return getTableAdapter( ).getColumns( );
	}
	/**
	 * Gets the rows count
	 * 
	 * @return row count
	 */
	public int getRowCount( )
	{
		return getTableAdapter( ).getRowCount( );
	}
	/**
	 * Gets the columns count
	 * 
	 * @return column count
	 */
	public int getColumnCount( )
	{
		return getTableAdapter( ).getColumnCount( );
	}
	/**
	 * @return select bounds
	 */
	public Rectangle getSelectBounds( )
	{