Bug 191168 [Regression]Exception occurs when resize masterpage in library
Description: Exception occurs when resize masterpage in library. Build number:2.2.0.v20070606-0630 Regression bug:187443 Steps to reproduce: 1. New a library. 2. Go to Master Page, resize the master page using the ruler. Expected result: 1. Layout works correctly. 2. No exception is thrown out. Error log: 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.v20070606-0630 Error Code:Error.GUIException.invokedByUnexpectedException Error Message:org.eclipse.birt.report.designer.internal.lib.lalyout.LibraryReportDesignLayout
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
public void setOptions( ModuleOption options )
	{
		this.options = options;
	}
	/**
	 * Sets the resource folder for this session.
	 * 
	 * @param resourceFolder
	 *            the folder to set
	 */
	public void setResourceFolder( String resourceFolder )
	{
		if ( options == null )
			options = new ModuleOption( );
		options.setResourceFolder( resourceFolder );
	}
	/**
	 * Gets the resource folder set in this session.
	 * 
	 * @return the resource folder set in this session
	 */
	public String getResourceFolder( )
	{
		ModuleOption effectOptions = getOptions( );
		if ( effectOptions == null )
			return null;
		return effectOptions.getResourceFolder( );
	}
	/**
	 * Sets the module is read-only one. That means any operation on it will