Re: [WebDNA] feature suggestion
This WebDNA talk-list message is from 2011
It keeps the original formatting.
numero = 106782
interpreted = N
texte = [function name=3D?] [If = ("[url][interpret][[f]][/interpret][/url]"!"%5B[interpret][f][/interpret]%= 5D") & ("[url][interpret][[f]][/interpret][/url]"!"")] [Then][return]T[/return][/Then] [Else][return]F[/return][/Else] [/If] [/function] USAGE: [text]abc=3D123[/text] [!]def is undefined[/!] [text]ghi=3D[/text]
abc =3D [abc]
[? f=3Dabc]
def =3D [def]
[? f=3Ddef]
ghi =3D [ghi]
[? f=3Dghi]
[showif [? f=3Dabc]=3DT]whatever you want to show or execute[/showif] [showif [? f=3Ddef]=3DT]nothing will show or execute[/showif] Brian: I like your use of params_string, cuts out two more letters, = rewriting my code now :)=20 On Jun 22, 2011, at 1:31 PM, Brian Fries wrote: > Here's my function for this=85. I return "1=3D0" for false or "1=3D1" = for true, which makes it simple to use in an IF or a SHOWIF=85 feel free = to change that if you prefer the T or F returned. >=20 > Additionally it sets the global variable "definedValue" to the value = of that variable/field/whatever it is, which is convenient when the = target field name comes from a variable, listwords, etc. (i.e. you don't = need to do your own [interpret] after the fact) >=20 >=20 > [function name=3DisDefined] > [text]tValue=3D[interpret][[params_string]][/interpret][/text] > [if "[url][tValue][/url]"=3D"%5B[params_string]%5D][then] > [text scope=3Dglobal]definedValue=3D[/text] > [return]1=3D0[/return] > [/then][else] > [text scope=3Dglobal]definedValue=3D[tValue][/text] > [return]1=3D1[/return] > [/else][/if] > [/function] >=20 >=20 > Example: >=20 > [if [isDefined myVariable]][then] > myVariable is set to [definedValue] > [/then][else] > myVariable is not defined > [/else][/if] >=20 >=20 > Brian Fries > BrainScan Software >=20 >=20 >=20 > On Jun 22, 2011, at 10:10 AM, Brian B. Burton wrote: >=20 >> i'm writing it up as a function that returns T/F. I'll post the code = to the talk list as soon as I'm happy with it.=20 >>=20 >>=20 >> On Jun 22, 2011, at 1:02 PM, Govinda wrote: >>=20 >>> :-) >>>=20 >>> I would like that too.. but have it apply to any [var] and not only = a db [field]. >>>=20 >>>=20 >>>> Need a new tag that is a showif if a field exists and is not empty >>>>=20 >>>> i.e. >>>> [hideif [url][content_title][/url]=3D%5Bcontent_title%5D][hideif = [url][content_title][/url]=3D]
[content_title]
[/hideif][/h= ideif] >>>>=20 >>>> too much typing.=20 >>>>=20 >>>> suggestion: >>>> [? [fieldname]] blah blah [/?] >>>> (yeah, I mean literal question marks) >>>>=20 >>>>=20 >>>> Thanks :)=20 >>>>=20 >>>> Brian B.
Associated Messages, from the most recent to the oldest:
[function name=3D?] [If = ("
[url][interpret][[f]][/interpret][/url]"!"%5B
[interpret][f][/interpret]%= 5D") & ("
[url][interpret][[f]][/interpret][/url]"!"")] [Then]
[return]T[/return][/Then] [Else]
[return]F[/return][/Else] [/If] [/function] USAGE:
[text]abc=3D123[/text]
[!]def is undefined[/!]
[text]ghi=3D[/text]
abc =3D [abc]
[? f=3Dabc]
def =3D [def]
[? f=3Ddef]
ghi =3D [ghi]
[? f=3Dghi]
[showif [? f=3Dabc]=3DT]whatever you want to show or execute[/showif] [showif [? f=3Ddef]=3DT]nothing will show or execute[/showif] Brian: I like your use of params_string, cuts out two more letters, = rewriting my code now :)=20 On Jun 22, 2011, at 1:31 PM, Brian Fries wrote: > Here's my function for this=85. I return "1=3D0" for false or "1=3D1" = for true, which makes it simple to use in an IF or a SHOWIF=85 feel free = to change that if you prefer the T or F returned. >=20 > Additionally it sets the global variable "definedValue" to the value = of that variable/field/whatever it is, which is convenient when the = target field name comes from a variable, listwords, etc. (i.e. you don't = need to do your own
[interpret] after the fact) >=20 >=20 > [function name=3DisDefined] >
[text]tValue=3D
[interpret][[params_string]][/interpret][/text] > [if "
[url][tValue][/url]"=3D"%5B[params_string]%5D][then] > [text scope=3Dglobal]definedValue=3D[/text] >
[return]1=3D0[/return] > [/then][else] > [text scope=3Dglobal]definedValue=3D[tValue][/text] >
[return]1=3D1[/return] > [/else][/if] > [/function] >=20 >=20 > Example: >=20 > [if [isDefined myVariable]][then] > myVariable is set to [definedValue] > [/then][else] > myVariable is not defined > [/else][/if] >=20 >=20 > Brian Fries > BrainScan Software >=20 >=20 >=20 > On Jun 22, 2011, at 10:10 AM, Brian B. Burton wrote: >=20 >> i'm writing it up as a function that returns T/F. I'll post the code = to the
Talk List as soon as I'm happy with it.=20 >>=20 >>=20 >> On Jun 22, 2011, at 1:02 PM, Govinda wrote: >>=20 >>> :-) >>>=20 >>> I would like that too.. but have it apply to any [var] and not only = a db [field]. >>>=20 >>>=20 >>>> Need a new tag that is a showif if a field exists and is not empty >>>>=20 >>>> i.e. >>>> [hideif
[url][content_title][/url]=3D%5Bcontent_title%5D][hideif =
[url][content_title][/url]=3D]
[content_title]
[/hideif][/h= ideif] >>>>=20 >>>> too much typing.=20 >>>>=20 >>>> suggestion: >>>> [? [fieldname]] blah blah [/?] >>>> (yeah, I mean literal question marks) >>>>=20 >>>>=20 >>>> Thanks :)=20 >>>>=20 >>>> Brian B.
"Brian B. Burton"
DOWNLOAD WEBDNA NOW!
Top Articles:
Talk List
The WebDNA community talk-list is the best place to get some help: several hundred extremely proficient programmers with an excellent knowledge of WebDNA and an excellent spirit will deliver all the tips and tricks you can imagine...
Related Readings:
[protect] (1998)
First postarg not taking in $Commands (1997)
PCS Frames (1997)
Summing a field full of numbers ... (1997)
HTML encoding in URLs (1997)
Date Formats (1997)
Date sorting (1997)
Pull Down Menu for Catagories (2000)
Languages (1997)
WC Database Format (1997)
(1997)
emailer (1997)
Replace context (1998)
F3 crashing server (1997)
Emailer 1.0.2 Conflicts? (1998)
Any user support forums or is the Talklist it? (2007)
lookup (1998)
Server Crashing (2002)
Duplicate Items in the Cart (1998)
User .db Questions (1999)