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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