On Thu, 11 Jun 2009, dave lilley wrote:
> @Hugh,
>
> I agree Case statements are cool but i remember with VB you
> could have multi tests on 1 test.
>
> eg
>
> case key
>
> when :enter, "\n" <- thus enter key OR keypad enter press
> both are caught here.
> my test statements here insdie the case block.
Search below for :baz
>
> Now I don't see it as a big issue now as i've got my program
> working as i want it to for now (ie i can enter a customer #
> or customer name and get a result from SQLite3).
>
> cheers,
HTH
Hugh
>
>
> ----- Original Message Follows -----
> > Not forgetting:
> > Wonder of the When-Be-Splat
> >
> > http://redhanded.hobix.com/bits/wonderOfTheWhenBeFlat.html
> >
> > Hugh
> > On Wed, 10 Jun 2009, Bradley Grzesiak wrote:
> >
> > > case statements can be pretty neat:
> > >
> > > case foo
> > > when 'bar'
> > > puts 'bar!'
> > > when :baz, 'baz'
> > > puts 'baz!
> > > when 2000..2009
> > > puts 'the aughts!'
> > > when /^regex(\/
> > > puts "matching: #{$1}"
> > > else
> > > puts "the naughts!"
> > > end
> > >
> > >
> > > On Wed, Jun 10, 2009 at 5:45 AM, dave
> > > <[email protected]> wrote:
> > > > This post is more for completeness and so hopefully
> > > help someone someday. >
> > > >
> > > > i now have my code working as i want it to so am
> > > > posting it here. and as you can see i have had to
> > > rework it from my original post. >
> > > >
> > > > please note ...
> > > > that I have had to use a case statement inside the
> > > keypress do block. >
> > > >
> > > > created a define block for the if tests and the actual
> > > > test has changed to check on the length of the text as
> > > apposed to nil or false as before. >
> > > >
> > > > would've liked to have the :enter & "\n" in 1 when
> > > clause to have saved the >
> > > > define but i couldn't figure it out (after using some
> > > > like values - semi-comma
> > > > & comma, space).
> > > >
> > > >
> > > > hope this helps someone in future,
> > > >
> > > >
> > > > Dave.
> > > >
> > > >
> > > >
> > > > #require "sqlite3_calls"
> > > >
> > > >
> > > > Shoes.app do
> > > > # extend Dbase
> > > >
> > > > def what_has_data
> > > > if @custno.text.length > 0
> > > > alert 'cust number has a value !'
> > > > # rows = rec_to_find('customers', 'cust_nos', @custno)
> > > > else
> > > > if @custname.text.length > 0
> > > > alert 'cust name has a value !'
> > > > end
> > > > end
> > > >
> > > > end
> > > >
> > > > stack :top =>5, :height => 90 do
> > > > title "Find Customer Info", :align => 'center'
> > > > end
> > > >
> > > >
> > > > flow :top => 100 do
> > > > para strong "Customer nos"
> > > > @custno = edit_line :width => 50
> > > >
> > > >
> > > > para strong 'customer name'
> > > > @custname = edit_line :width => 270
> > > >
> > > > keypress do |key|
> > > > case key
> > > > when :enter
> > > > what_has_data
> > > >
> > > > when "\n"
> > > > what_has_data
> > > >
> > > >
> > > > end
> > > > end
> > > >
> > > > end
> > > >
> > > > stack :top => 250 do
> > > > para strong 'data return shown here!'
> > > > end
> > > >
> > > >
> > > > end
> > > >
> > > >
> > > >
> > > > On Wednesday 10 June 2009 09:53:01 pm dave wrote:
> > > > > Doh!!! as homer would say.
> > > > >
> > > > > am too close to the code to see it.
> > > > >
> > > > > many thanks, now onto other issues :).
> > > > >
> > > > > On Wednesday 10 June 2009 09:26:14 pm jonty wrote:
> > > > > > Hi Dave
> > > > > >
> > > > > > Just a small help for you
> > > > > >
> > > > > > your code contains if x=y.......end
> > > > > >
> > > > > > this will set the variable x to being y before
> > > > > testing it! >
> > > > > > you need to use the comparison operator == (2
> > > > > > equals) as in: if x == y .... end
> > > > > >
> > > > > > dave wrote:
> > > > > > > I have a shoes program (below this message)
> > > > where what i want to do is
> > > > > > > to allow the user to enter data into 1 of 2
> > > > > > edit_lines. >
> > > > > > >
> > > > > > > From the user pressing enter i then check which
> > > > > > > edit_line has something in it
> > > > > > > and setup parameters for a SQL statement that 's
> > > > > > > in a class called dbase that's inside a module
> > > > > > called sqlite3_calls. >
> > > > > > >
> > > > > > > this tho is of no importance yet as i cannot
> > > > > > capture the enter key! >
> > > > > > >
> > > > > > > Note I'm only wanting to get 1 of the two
> > > > > > > edit_lines working then get the other done once
> > > > > > i working based on the solution for the 1st one. >
> > > > > > >
> > > > > > > Currently what happens is that the program runs
> > > > > > > but when I alt+/ to see the debug window after
> > > > > > > my shoes screen appears i see a comment saying
> > pressed enter! when in fact i haven't press a dam thing
> > > > except .
> > > > > > >
> > > > > > >
> > > > > > > did a search on keypress and edit_line and
> > > > > > > keypress but nothing i saw really gave me any
> > > > > > hints. >
> > > > > > >
> > > > > > > Dave.
> > > > > > >
> > > > > > >
> > > > > > > code as it stands is below.....
> > > > > > >
> > > > > > >
> > > > > > > require "sqlite3_calls.rb"
> > > > > > >
> > > > > > >
> > > > > > > Shoes.app do
> > > > > > > # extend Dbase #for the purposes isolation I've
> > > > commented out this line
> > > > > > >
> > > > > > > stack :top =>5, :height => 90 do
> > > > > > > title "Find Customer Info", :align => 'center'
> > > > > > > end
> > > > > > >
> > > > > > >
> > > > > > > flow :top => 100, height => 70 do
> > > > > > > para strong "Customer nos"
> > > > > > > @custno = edit_line :width => 50 :focus
> > > > > > >
> > > > > > >
> > > > > > > para strong 'customer name'
> > > > > > > @custname = edit_line :width => 270
> > > > > > > end
> > > > > > > if keypress = :enter or keypress = "\n"
> > > > > > > debug 'pressed enter !'
> > > > > > > if @custno != nil
> > > > > > > para 'cust number has a value !'
> > > > > > > # rows = rec_to_find('customers', 'cust_nos',
> > > > @custno) # please ignore
> > > > > > > else
> > > > > > > if @custname != nil
> > > > > > > para 'cust name has a value !'
> > > > > > >
> > > > > > > end
> > > > > > >
> > > > > > > end
> > > > > > > end
> > > > > > >
> > > > > > >
> > > > > > > flow :top => 550 do
> > > > > > > para strong 'data return shown here!'
> > > > > > > end
> > > > > > >
> > > > > > >
> > > > > > > end
> > > > > > >
> > > >
> > ----------------------------------------------------------
> > > > > > ------------- >-
> > > > > > >
> > > > > > >
> > > > > > > No virus found in this incoming message.
> > > > > > > Checked by AVG - www.avg.com
> > > > > > > Version: 8.5.339 / Virus Database:
> > > > > > > 270.12.60/2166 - Release Date: 06/09/09 18:08:00
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > Bradley Grzesiak
> > > [email protected]
> > > http://toleoandbeyond.blogspot.com
> > >
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> > > uses; please ask me for it.
>
