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@Midas demos feel quite different

Fri 14 Nov 2003, 01:23 AM

Yesterday, I blogged about re-inventing the wheel.  It was a very long post, so I'll keep this relatively short.

I am busy creating a new demo for the @Midas Formulas beta release, and it just feels... different.  A typical Midas Rich Text LSX demo has an Example Form with a rich text field and one or more agents which do something to the rich text.  The new A La Carte demo for @Midas has no rich text fields, no agents and doesn't change anything, yet it is quite dramatic.  I'll try to preserve some suspense by saying only that it has five forms with no editable fields on any of them, it is run entirely from the web (although I guess I could make a Notes version), and the only form that even uses @Midas has the following two computed text formulas, and virtually nothing else.  It works in both R5 and ND6.  Can you guess anything about the nature of the sample, which I plan to put on our website after I have made it available to the beta testers?

Computed Text #1
items := @If(DefB = ""; 0; @Elements(@Explode(DefB;",")))+@If(DefA = ""; 0; @Elements(@Explode(DefA;",")))+@If(DefE = ""; 0; @Elements(@Explode(DefE;",")))+@If(DefD = ""; 0; @Elements(@Explode(DefD;",")));
drinkprice := @If(DefB = ""; 0; @Sum(@DbLookup("Midas"; ""; "Form":"BeverageMenu"; "Table 2"; DefB_NL; 2; "Format=Currency")));
appetizerprice := @If(DefA = ""; 0; @Sum(@DbLookup("Midas"; ""; "Form":"AppetizerMenu"; "Table 2"; DefA_NL; 2; "Format=Currency")));
entreeprice := @If(DefE = ""; 0; @Sum(@DbLookup("Midas"; ""; "Form":"EntreeMenu"; "Table 2"; DefE_NL; 2; "Format=Currency")));
dessertprice := @If(DefD = ""; 0; @Sum(@DbLookup("Midas"; ""; "Form":"DessertMenu"; "Table 2"; ""; "DbLookup"; DefD_NL; 2; "Format=Currency")));
@Text(items)+" items selected for a total of " + @Text(drinkprice+appetizerprice+entreeprice+dessertprice; "CC")

Computed Text #2
attribs := "Generation=Fragment MoveStylesInLine=yes CSSBorders=yes ImageRelativeToPage=yes ";
drinks := @If(DefB = ""; ""; @DbCommand("Midas"; "GenerateHTML"; ""; "Form":"BeverageMenu"; "Table 1; Row 1,"+DefB;   "InPlaceImageURLDirectory=http:/ALaCarte.nsf/BeverageMenu/ " + attribs)+"<br>");
appetizers := @If(DefA = ""; ""; @DbCommand("Midas"; "GenerateHTML"; ""; "Form":"AppetizerMenu"; "Table 1; Row 1,"+DefA;    "InPlaceImageURLDirectory=http:/ALaCarte.nsf/AppetizerMenu/ " + attribs)+"<br>");
entrees := @If(DefE = ""; ""; @DbCommand("Midas"; "GenerateHTML"; ""; "Form":"EntreeMenu"; "Table 1; Row 1,"+DefE;  "InPlaceImageURLDirectory=http:/ALaCarte.nsf/EntreeMenu/ " + attribs)+"<br>");
desserts := @If(DefD = ""; ""; @DbCommand("Midas"; "GenerateHTML"; ""; "Form":"DessertMenu"; "Table 1; Row 1,"+DefD;    "InPlaceImageURLDirectory=http:/ALaCarte.nsf/DessertMenu/ " + attribs)+"<br>");
drinks+appetizers+entrees+desserts

That's the whole demo, along with a few computed fields and URL hotspots.  Happy hunting!

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