chance the (dynamic) data

Hi, I would like to chance the (dynamic) data property of the choice button in view. Something like this: view layout [ c1: choice "yes" "no" button [c1/data: ["true" "false"] ] ] But this is not working as I suspected. Can someone give me a hint? Thanks Tim

Tim:

> But this is not working as I suspected. Can someone give me a hint?

Hi Tim, Try this out .. view layout [ c1: choice "yes" "no" button "change" [c1/texts: copy ["true" "false"] c1/text: copy true show c1] ] On 9/5/05, Tim Hendriks <[th72--dds--nl]> wrote:

> Hi, > I would like to chance the (dynamic) data property of the choice button > To unsubscribe from the list, just send an email to > lists at rebol.com with unsubscribe as the subject.

It's more difficult then I thought. The next problem is that I want to use this in a iterrated list. For every row in the list it has to be possible to chance the choice-buttons independent of each other, the data is comming from a database-block. I think I'am missing some copy statement somewhere. I tried several options but nothing is working. The choice-buttons get changed but they are not working independent, only the first one. So there is some problem with sharing.... Thanks for any help. rebol [] db: [ ["1" "question 1 " ["true" "false"]] ["2" "question 2" ["true" "false"]] ["3" "question 3" ["true" "false"]] ] offset: 0 db-size: does [length? db] out: layout [ text "list example" across mylist: list 640x480 [across t1: text 50 t2: text 200x40 para [wrap?: true] c1: choice "1" "2" ] supply [ supply-data face count index ] sld: scroller 10x480 [offset: to-integer sld/data * db-size show mylist] ] supply-data: func [face count index /local temp] [ temp: count + offset either temp <= db-size [ switch index [ 1 [face/text: do to-path compose [db (temp) 1]] 2 [face/text: do to-path compose [db (temp) 2]] 3 [face/texts: do to-path compose [db (temp) 3] face/text: do to-path compose [db (temp) 3 1]] ;3 [face/texts: copy ["ja" "nee"] face/text: copy "ja" ] ] ] [face/text: none] ] view out rebol [] db: [ ["1" "question 1 " ["true" "false"]] ["2" "question 2" ["true" "false"]] ["3" "question 3" ["true" "false"]] ] offset: 0 db-size: does [length? db] out: layout [ text "list example" across mylist: list 640x480 [across t1: text 50 t2: text 200x40 para [wrap?: true] c1: choice "1" "2" ] supply [ supply-data face count index ] sld: scroller 10x480 [offset: to-integer sld/data * db-size show mylist] ] supply-data: func [face count index /local temp] [ temp: count + offset either temp <= db-size [ switch index [ 1 [face/text: do to-path compose [db (temp) 1]] 2 [face/text: do to-path compose [db (temp) 2]] 3 [face/texts: do to-path compose [db (temp) 3] face/text: do to-path compose [db (temp) 3 1]] ;3 [face/texts: copy ["ja" "nee"] face/text: copy "ja" ] ] ] [face/text: none] ] view out Graham Chiu wrote:

Hi Tim, TH> It's more difficult then I thought. The next problem is that I want to TH> use this in a iterrated list. For every row in the list it has to be TH> possible to chance the choice-buttons independent of each other... You're running into a limitation of the LIST style. It doesn't work for faces with state, because the same face is really used over and over in the list. I think Brett or Anton has a check-list style that might give you the clues you need to make it work. -- Gregg

Hi Tim, Yes, I suggest change of strategy. CHOICE style is very complex, getting it to iterate would be difficult. So it's better to use some other simpler style (such as a TEXT) and only pop up the menu with CHOOSE (which is what the CHOICE style uses) when you are changing the value. do http://www.lexicon.net/antonr/rebol/gui/iterated/demo-list-of-texts-with-con text-menu.r Note I added an extra field to your db block. You might want to modify the above code to use the series index of the ["true" "false"] blocks to indicate the value that should be shown. Then you don't need an extra field. Anton.

Thanks, I stop trying now. It works perfectly with buttons, it works a little bit with the toggle style but absolutely not with the choice style. I wil change strategy now. I'am now trying to use the simple text-list and then pop-up a new window when you select a list item. This is one of my first experiments with the list style. It did looked promissing with the buttons... It's a fun language with a lot of suprises. Thanks for the help! Tim Anton Rolls wrote:

Hi Anton, I looked at your code. Interesting solution, thanks for your work. I understand now that programming with the list style en choice is al littebit more complex then I thought. I' am just a beginner, maybe i should try something less complex :-) Tim Anton Rolls wrote:

Thankyou Tim, One day, I assure you, lists will not be so complex. Anton.