Bug 165278 this.getDisplayContent()="" in script of text will destroy preview[0801]
Description: this.getDisplayContent()="" in script of text will destroy preview Build number:2.1.2.v20061120 and 2.2.0.v20061117 Steps to reproduce: 1. Insert a text item, select it and switch to script editor 2. Input this.getDisplayContent()="" and preview Expected result: Error message about the incorrect script. Actual result: In 2.1.2, I saw HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. In 2.2.0, I saw error dialog with java.lang.ClassCastException.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
*/
	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 )
	{
		this.presentationMode = mode;
	}