Bug 168808 Display text is lost after launching import values dialog
Steps to reproduce: 1.new a parameter; 2.select list box control type; 3.press "Import Values" button to import some values; 4.assign display texts for the imported values; 5.press "Import Values" button to launch import values dialog again; 6.press ok button on dialog; Expected result: The previous assigned display texts are remained. Actual result: The previous display texts are lost.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
		return v1.equals( v2 );
	}
	private Object getValue( String value ) throws BirtException
	{
		if ( DesignChoiceConstants.PARAM_TYPE_BOOLEAN.equals( getSelectedDataType( ) ) )
		{
			return DataTypeUtil.toBoolean( value );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( getSelectedDataType( ) ) )
		{
			return DataTypeUtil.toBigDecimal( value );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( getSelectedDataType( ) ) )
		{
			return DataTypeUtil.toDate( value, ULocale.US );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( getSelectedDataType( ) ) )
		{
			return DataTypeUtil.toDouble( value );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_INTEGER.equals( getSelectedDataType( ) ) )
		{
			return DataTypeUtil.toInteger( value );
		}
		return value;
	}
	private IChoiceSet getFormatChoiceSet( String type )
	{
		IChoiceSet choiceSet = null;