For those received this post by email!
Please see the original post! It has been edited and two codes have been
attached!
--Mohammad
On Thursday, July 4, 2019 at 9:22:01 AM UTC+4:30, Mohammad wrote:
>
> Hello Jeremy,
> I made an experiment and share the code here!
> Amazingly your instruction works and let me switch values!
>
> I have attached the example and added to TW-Scripts for future use!
> The is as below
>
> \define switch()
> <$action-setfield $tiddler="exmp66/temp" $value={{exmp66/data!!fa}} />
> <$action-setfield $tiddler="exmp66/data" $field="fa"
> $value={{exmp66/data!!fb}} />
> <$action-setfield $tiddler="exmp66/data" $field="fb"
> $value={{exmp66/temp}} />
> \end
>
> <$button actions=<<switch>> >Exchange fields value
> </$button>
>
> The above code assume you have exmp66/data tiddler with two fields fa and
> fb containing different things.
>
>
> In Part two, I have used a select widget and did the below operation
>
> * A <--- B
> * B <---- new value
>
> The code is as below
>
> \define switch()
> <$action-setfield $tiddler="myTid" $field="fa" $value={{stateTid}} />
> <$action-setfield $tiddler="myTid" $field="fb" $value="$(Temp)$" />
> \end
>
> <$set name=Temp tiddler="myTid" field="fa">
> Select a value and watch [[myTid]]
>
> <$select tiddler='stateTid'
> actions=<<switch>>
> >
> <$list filter='One Two Three Four Five'>
> <option><$view field='title'/></option>
> </$list>
> </$select>
> </$set>
>
> A code has been attached to reproduce the result
>
> Cheers
> Mohammad
>
> On Wednesday, July 3, 2019 at 9:56:09 PM UTC+4:30, Jeremy Ruston wrote:
>>
>> Hi Mohammad
>>
>> Does this mechanism lets to switch two values!
>>
>>
>> I guess you could indeed use the outer variable to give access to the
>> previous value. I’m not sure that it would be the clearest way to express
>> what’s going on, but it’s an interesting idea.
>>
>> Best wishes
>>
>> Jeremy.
>>
>> Temp=A
>> A=B
>> B=Temp
>> If we select B from select widget and set temp outside select widget?
>>
>> --Mohammad
>>
>> On Tuesday, July 2, 2019 at 7:41:56 PM UTC+4:30, Jeremy Ruston wrote:
>>>
>>> Hi @twMat
>>>
>>> I can confirm that the action string is in fact executed after the
>>> target tiddler has been set. The problem is subtler: any variables setup
>>> outside of the action string will not be updated to reflect the new value
>>> of the target tiddler. So you need to make sure you directly compute
>>> anything that depends on that tiddler.
>>>
>>> Best wishes
>>>
>>> Jeremy
>>>
>>> On 2 Jul 2019, at 16:03, Mat <matia...@gmail.com> wrote:
>>>
>>> The SelectWidget <https://tiddlywiki.com/prerelease/#SelectWidget> has
>>> a parameter named "tiddler" where the selected title is stored.
>>>
>>> I want to perform an action to the selected item, so I'm using the
>>> SelectWidget *action* attribute.
>>>
>>> However, when selecting a title in the list it seems the actions are
>>> performed *before* the title is added to the state tiddler.
>>>
>>> How can the actions be made to affect the selected title?
>>>
>>> (Currently, the first time the SelectWidget is used, it triggers an
>>> action without anything being set, as if it was a separate action widget
>>> button. And selecting a second title triggers the action to be performed on
>>> the *first* selection title - !?)
>>>
>>> <:-)
>>>
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