Bug 140985 Cancel button in parameter dialog doesn't work
Description: Cancel button in parameter dialog doesn't work Steps to reproduce: 1. New a parameter 2. Preview and click Cancel Expected result: Transfer to layout Actual result: Nothing happened.
UI/org.eclipse.birt.report.designer.ui.preview/src/org/eclipse/birt/report/designer/ui/preview/editors/ReportPreviewFormPage.java
{
		return null;
	}
	public void setActive( boolean active )
	{
	}
	public boolean isActive( )
	{
		return false;
	}
	public boolean canLeaveThePage( )
	{
		return true;
	}
	public int getIndex( )
	{
		return 0;
	}
	public void setIndex( int index )
	{
	}
	public boolean isEditor( )
	{
		return true;
	}
	public boolean selectReveal( Object object )
	{
		return false;
	}
	public void setInput( IEditorInput input )