Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/ElementDefn.java
.getLocalProperties( );
			for ( int i = 0; i < styles.size( ); i++ )
			{
				String propName = ( (SystemPropertyDefn) styles.get( i ) )
						.getName( );
				properties.put( propName, styles.get( i ) );
			}
		}
		else
		{
			
			
			if ( !hasStyle && stylePropertyNames != null || hasStyle
					&& isContainer( ) && stylePropertyNames != null )
				throw new MetaDataException( new String[]{this.name},
						MetaDataException.DESIGN_EXCEPTION_ILLEGAL_STYLE_PROPS );
		}
	}
	/**
	 * Builds the trigger definition set. This method cached all validators
	 * defined in property definition and slot definition. The cached validators
	 * are used to perform full validation of one element instance.
	 */
	protected void buildTriggerDefnSet( )
	{
		AbstractSemanticValidator validator = UnsupportedElementValidator
				.getInstance( );
		SemanticTriggerDefn triggerDefn = new SemanticTriggerDefn( validator
				.getName( ) );
		triggerDefn.setValidator( validator );