Bug 172273 Grid insert to masterpage dosen't display propertily [05]
Build Number: 2.2.0.v20070131-1050 Description: As the screenshot, insert a grid (3*3) in the master page.It can't be display propertily. Step to reproduce: 1. new a report and switch to masterpage 2. insert a grid (3*3) Actual result: Please refer to the screenshot, it's abnormal.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/PropertyDefn.java
* 
	 * @return <code>true</code>, if the value of this property is required.
	 */
	public boolean isValueRequired( )
	{
		return valueRequired;
	}
	/**
	 * Sets the flag for indicating whether the value of this property is
	 * required.
	 * 
	 * @param valueRequired
	 *            the flag to set
	 */
	void setValueRequired( boolean valueRequired )
	{
		this.valueRequired = valueRequired;
	}
	/**
	 * Gets the default unit if the property is dimension type. The default unit
	 * of dimension property type can not be null or empty string, it must be an
	 * effective unit string.
	 * 
	 * @return the default unit if the property is dimension type, otherwise
	 *         empty string
	 */
	public String getDefaultUnit( )
	{
		if ( getTypeCode( ) != IPropertyType.DIMENSION_TYPE )
			return DimensionValue.DEFAULT_UNIT;