Bug 167688 Setting number format on multiple elements gives NPE
If I select multiple data elements (for example one in each table cell) using the shift key, then try to 'format number' on those in the properties tab, I get a null pointer exception. An unexpected internal exception occurred.Please see log for detail. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Designer UI Plug-in ID:org.eclipse.birt.report.designer.ui Version:2.2.0.v20061211-0630 Error Code:Error.GUIException.invokedByUnexpectedException Error Message:Caused by java.lang.NullPointerException.
UI/org.eclipse.birt.report.designer.ui.views/src/org/eclipse/birt/report/designer/internal/ui/views/attributes/widget/FormatNumberDescriptor.java
* (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.dialogs.IFormatPage#setPreviewText(java.lang.String)
	 */
	public void setPreviewText( String preText )
	{
		if ( preText == null )
		{
			previewTextBox.setText( DEFAULT_PREVIEW_TEXT );
		}
		else
		{
			previewTextBox.setText( preText );
		}
		return;
	}
	/**
	 * Returns the category resulted from the page.
	 */
	public String getCategory( )
	{
		return category;
	}
	/**
	 * Returns the patternStr from the page.
	 */
	public String getPattern( )
	{
		return pattern;
	}