Bug 209309 Show javascript errorposition
If a javascript expression has errors, the error message is shown in the last lines in the preview tab. But there is no info where the error occurs. In most cases you had to guess the error location. It would be very helpfull to display the error location.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
* is in presentation mode.
	 * 
	 * @return true, presentation mode, false otherwise
	 */
	public boolean isInPresentation( )
	{
		return presentationMode;
	}
	/**
	 * set the in factory mode
	 * 
	 * @param mode
	 *            factory mode
	 */
	public void setFactoryMode( boolean mode )
	{
		this.factoryMode = mode;
	}
	
	public boolean getFactoryMode( )
	{
		return this.factoryMode;
	}
	/**
	 * set in presentation mode
	 * 
	 * @param mode
	 *            presentation mode
	 */
	public void setPresentationMode( boolean mode )