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The Application Automation Layer - Using XML to generate Menus

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5 May 200313 min read 238.3K   2.6K   194  
Exploring the issues of menu management as specified externally via an XML file, in the context of status bars, toolbars, and events.
 
<NewDataSet>
  <WorkflowDomain>
    <WorkflowDomainName>SingleItemSaleOrder</WorkflowDomainName>
    <Description>Cost calculation for a single item sale</Description>
    <DataSet>
      <DataSetName>CalcRetailPrice</DataSetName>
      <Description>Calculates retail price</Description>
      <DSREvent>TestComponent.CalculateRetailPrice</DSREvent>
      <Datum>
        <DatumName>Cost</DatumName>
        <Description>our cost of the item</Description>
      </Datum>
      <Datum>
        <DatumName>Retail</DatumName>
        <Description>retail cost of the item</Description>
      </Datum>
      <Datum>
        <DatumName>Qty</DatumName>
        <Description>Quantity ordered</Description>
      </Datum>
      <Datum>
        <DatumName>CostPlusPercent</DatumName>
        <Description>Discount adjustment</Description>
      </Datum>
      <Datum>
        <DatumName>RetailMinusPercent</DatumName>
        <Description>Discount adjustment</Description>
      </Datum>
    </DataSet>
    <DataSet>
      <DataSetName>CalcItemTax</DataSetName>
      <Description>Determine the tax on the item</Description>
      <DSREvent>CalculateItemTax</DSREvent>
      <Datum>
        <DatumName>TaxExempt</DatumName>
        <Description>Flag indicating customer is tax exempt</Description>
      </Datum>
      <Datum>
        <DatumName>Taxable</DatumName>
        <Description>Flag indicating item is taxable</Description>
      </Datum>
      <Datum>
        <DatumName>TaxRate</DatumName>
        <Description>Appropriate tax rate</Description>
      </Datum>
    </DataSet>
    <DataSet>
      <DataSetName>CalcFreightCharge</DataSetName>
      <Description>Calculate the freight charges for the item</Description>
      <DSREvent>CalculateFreightCharge</DSREvent>
      <Datum>
        <DatumName>ShippingMethodID</DatumName>
        <Description>Identifies shipper and method</Description>
      </Datum>
      <Datum>
        <DatumName>Hazmat</DatumName>
        <Description>Flag to identify hazardous material</Description>
      </Datum>
      <Datum>
        <DatumName>Weight</DatumName>
        <Description>The weight of the item</Description>
      </Datum>
      <Datum>
        <DatumName>LocaleID</DatumName>
        <Description>The destination location</Description>
      </Datum>
    </DataSet>
    <DataSet>
      <DataSetName>CalcTotal</DataSetName>
      <Description>Calculate the total for the sale</Description>
      <DSREvent>CalculateTotal</DSREvent>
      <Datum>
        <DatumName>RetailPrice</DatumName>
        <Description>The calculated retail price</Description>
      </Datum>
      <Datum>
        <DatumName>FreightCharge</DatumName>
        <Description>The calculated freight charge</Description>
      </Datum>
      <Datum>
        <DatumName>Tax</DatumName>
        <Description>The calculated tax amount</Description>
      </Datum>
      <Datum>
        <DatumName>AdditionalFees</DatumName>
        <Description>Any additional fees</Description>
      </Datum>
    </DataSet>
    <SingletonDatum>
      <DatumName>DiscountID</DatumName>
      <Description>Indexes the lookup table to determine discounts for this customer</Description>
    </SingletonDatum>
    <SingletonDatum>
      <DatumName>PurchaseMethodID</DatumName>
      <Description>Indexes a lookup table to determine additional fees based on purchase method</Description>
    </SingletonDatum>
    <SingletonDatum>
      <DatumName>SalePrice</DatumName>
      <Description>The final sale price factoring in quantity and discounts</Description>
      <UpdateEvent>TestComponent.SetSalePrice</UpdateEvent>
    </SingletonDatum>
    <InitialLoadSet>
      <SetName>RetailPrice</SetName>
      <InitialLoad>
        <DatumName>Cost</DatumName>
        <Value>10</Value>
      </InitialLoad>
      <InitialLoad>
        <DatumName>Retail</DatumName>
        <Value>15</Value>
      </InitialLoad>
      <InitialLoad>
        <DatumName>Qty</DatumName>
        <Value>2</Value>
      </InitialLoad>
      <InitialLoad>
        <DatumName>CostPlusPercent</DatumName>
        <Value>0</Value>
      </InitialLoad>
      <InitialLoad>
        <DatumName>RetailMinusPercent</DatumName>
        <Value>10</Value>
      </InitialLoad>
    </InitialLoadSet>
  </WorkflowDomain>
</NewDataSet>

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Written By
Marc Clifton
Architect Interacx
United States United States
Blog: https://marcclifton.wordpress.com/
Home Page: http://www.marcclifton.com
Research: http://www.higherorderprogramming.com/
GitHub: https://github.com/cliftonm

All my life I have been passionate about architecture / software design, as this is the cornerstone to a maintainable and extensible application. As such, I have enjoyed exploring some crazy ideas and discovering that they are not so crazy after all. I also love writing about my ideas and seeing the community response. As a consultant, I've enjoyed working in a wide range of industries such as aerospace, boatyard management, remote sensing, emergency services / data management, and casino operations. I've done a variety of pro-bono work non-profit organizations related to nature conservancy, drug recovery and women's health.

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Posted 5 May 2003

Article Copyright 2003 by Marc Clifton
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