[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Matabele]

Hi

Currently, action widgets can not be triggered with a checkbox widget 
(although some efforts have been made in this direction.)

You may, however, use a button widget. If you wish to have visual feedback 
of the state -- use two button widgets within two reveal widgets which 
toggle one another off/on.

<$reveal type="match" state="!!temp" text="set">
<$button set="!!temp" setTo="reset">
<$action-setfield />
<$action-setfield />
Set

<$reveal type="match" state="!!temp" text="reset">
<$button set="!!temp" setTo="set">
<$action-setfield />
<$action-setfield />
Reset

regards

On Monday, 4 January 2016 19:09:24 UTC+2, Scott Simmons (Secret-HQ) wrote:
>
> I know I can use the <$checkbox> macro to write a value to a field — but 
> can I use it to write *multiple* values to *multiple* fields (of the same 
> tiddler)?
>
> For example, can I check a checkbox and have it set (say) *completed* = 
> *<>* *AND* *completedon *= the date of *<>*?
>
> Maybe by defining macros:
>
> \define setFieldsDone()
> <$action-setfield completed=<> />
> <$action-setfield completedon=<> />
> \end
>
>
> \define setFieldsUndone()
> <$action-setfield completed="" />
> <$action-setfield completedon="" />
> \end
>
> ... and then calling them with something like:
>
> <$checkbox checked=<> unchecked=<>>click 
> me to mark this task done
>
> That code won't work, of course — but am I barking up the right tree?
>

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Jed Carty]

Just as a quick addition to what Matabele said, you can also make the 
button look like a checkbox like this:

<$reveal type="match" state="!!temp" text="set">
<$button set="!!temp" setTo="reset" class='tc-btn-invisible'>
<$action-setfield />
<$action-setfield />


<$reveal type="match" state="!!temp" text="reset">
<$button set="!!temp" setTo="set" class='tc-btn-invisible'>
<$action-setfield />
<$action-setfield />


I think I first saw that as a suggestion from Eric. Because of how updates 
work, modifying a checkbox widget to trigger action widgets doesn't always 
act the way you expect it to. I made a bunch of prototypes for other 
widgets triggering action widgets (you can see them here 
), the keyboard 
widget is the only one that has made it into the core due to the unexpected 
update behavior in the others. Even if that is fixed, having a checkbox 
widget that invokes action widgets would need something like what Matabele 
showed in order to have different actions for checking and unchecking.

Because of all that I think that the best idea is to fake a checkbox widget 
using buttons if you need more complex behavior.

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Eric Shulman]

On Monday, January 4, 2016 at 10:44:43 AM UTC-8, Matabele wrote:
>
> Currently, action widgets can not be triggered with a checkbox widget 
> (although some efforts have been made in this direction.)
>
> You may, however, use a button widget. If you wish to have visual feedback 
> of the state -- use two button widgets within two reveal widgets which 
> toggle one another off/on.
>
>  
If you want the $button widgets to *look* like checkboxes:

* use <$button class="tc-btn-invisible" ...> to hide the button 
border/background
* use  to render a (non-functional) checkbox as the 
button content.

Like this:
<$reveal type="match" state="!!temp" text="set">
   <$button class="tc-btn-invisible" set="!!temp" setTo="reset">
  <$action-setfield />
  <$action-setfield />
  Set
   

<$reveal type="match" state="!!temp" text="reset">
   <$button class="tc-btn-invisible" set="!!temp" setTo="set">
  <$action-setfield />
  <$action-setfield />
  Reset
   



The checkboxes are just some static HTML, without handlers attached to 
them, so clicking the checkbox doesn't actually do anything... directly. 
 Instead, the click is actually processed by the containing <$button> 
widget's handler, which triggers the <$action> widgets.  One of these 
actions should be to toggle the value used to control the state of the 
<$reveal> widgets that enclose the <$button> widgets, resulting in the 
alternative <$button> being displayed after the value is changed. Since 
each button contains a static checkbox -- one checked, the other unchecked 
-- the effect is that clicking the button *appears* to toggle the checkbox.

enjoy,
-e

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Tobias Beer]

Hi Eric,
 

> If you want the $button widgets to *look* like checkboxes:
>

Thanks a lot for this example for having custom events attached to what 
appears to be a checkbox.

Best wishes,

Tobias. 

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

*>sniff<*  *I love you guys!*

Life got in the way this week, and I didn't get a chance to read and try 
this until last night — but it's a clever, elegant solution.

As it turns out, you can even use a proper <$checkbox/> macro in 
conjunction with it to toggle tags:

<$reveal type="match" state="!!fakeCheckboxChecked" text="nope">
<$button set="!!fakeCheckboxChecked" setTo="yep" class="tc-btn-invisible">
<$action-setfield checkedtime=<> />
<$checkbox tag="tag me tagged">Check me!



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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Matabele]

Hi

Using this code:

<$reveal type="match" state="!!fake" text="nope">
<$button set="!!fake" setTo="yep" class="tc-btn-invisible">
<$action-setfield checkedtime=<> />
<$checkbox tag="tag me tagged">Check me!


<$reveal type="match" state="!!fake" text="yep">
<$button set="!!fake" setTo="nope" class="tc-btn-invisible">
<$action-setfield checkedtime="" />
<$checkbox tag="tag me tagged">Check me!



{{!!checkedtime}}

The value in 'checkedtime' toggles as expected, however the checkbox's have 
no effect?

regards

On Sunday, 10 January 2016 20:09:46 UTC+2, Scott Simmons (Secret-HQ) wrote:
>
> *>sniff<*  *I love you guys!*
>
> Life got in the way this week, and I didn't get a chance to read and try 
> this until last night — but it's a clever, elegant solution.
>
> As it turns out, you can even use a proper <$checkbox/> macro in 
> conjunction with it to toggle tags:
>
> <$reveal type="match" state="!!fakeCheckboxChecked" text="nope">
> <$button set="!!fakeCheckboxChecked" setTo="yep" class="tc-btn-invisible">
> <$action-setfield checkedtime=<> />
> <$checkbox tag="tag me tagged">Check me!
> 
> 
>

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

On Sunday, January 10, 2016 at 9:36:53 PM UTC-5, Matabele wrote:
 

> The value in 'checkedtime' toggles as expected, however the checkbox's 
> have no effect?
>

H.  I could've sworn I had that working last night.  (And, like a 
bonehead, I've already cleared my backups and can't find the one where I 
thought it worked.)

Maybe I had the <$button> macro as a child of <$checkbox> rather than the 
other way around?  That toggles the tag on and off:

<$reveal type="match" state="!!fakeCheckboxChecked" text="nope">
<$checkbox tag="tag me tagged">
<$button set="!!fakeCheckboxChecked" setTo="yep" class="tc-btn-invisible">
<$action-setfield checkedtime=<> />
Check me!




... but it doesn't set the checkedtime field (or toggle 
fakeCheckboxChecked).

I could've sworn it worked last night, but now it looks like a matter of 
either/or.  :(

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Matabele]

Hi

I think something like this will do the trick:

<$reveal type="match" state="!!fake" text="nope">
<$button set="!!fake" setTo="yep" class="tc-btn-invisible">
<$action-setfield checkedtime=<> />
<$action-listops $tags="[[tag me tagged]]"/>
Check me!


<$reveal type="match" state="!!fake" text="yep">
<$button set="!!fake" setTo="nope" class="tc-btn-invisible">
<$action-setfield checkedtime=""/>
<$action-listops $tags="-[[tag me tagged]]"/>
UnCheck me!



{{!!checkedtime}}

A bit long winded -- but can't see any shortcuts.

regards

On Monday, 11 January 2016 07:36:55 UTC+2, Scott Simmons (Secret-HQ) wrote:
>
>
> On Sunday, January 10, 2016 at 9:36:53 PM UTC-5, Matabele wrote:
>  
>
>> The value in 'checkedtime' toggles as expected, however the checkbox's 
>> have no effect?
>>
>
> H.  I could've sworn I had that working last night.  (And, like a 
> bonehead, I've already cleared my backups and can't find the one where I 
> thought it worked.)
>
> Maybe I had the <$button> macro as a child of <$checkbox> rather than the 
> other way around?  That toggles the tag on and off:
>
> <$reveal type="match" state="!!fakeCheckboxChecked" text="nope">
> <$checkbox tag="tag me tagged">
> <$button set="!!fakeCheckboxChecked" setTo="yep" class="tc-btn-invisible">
> <$action-setfield checkedtime=<> />
> Check me!
> 
> 
> 
>
> ... but it doesn't set the checkedtime field (or toggle 
> fakeCheckboxChecked).
>
> I could've sworn it worked last night, but now it looks like a matter of 
> either/or.  I'll bang my head against it some more tomorrow, but smart 
> money says I was just confused.  :(
>

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

On Monday, January 11, 2016 at 2:02:30 AM UTC-5, Matabele wrote:

I think something like this will do the trick:
>
> <$reveal type="match" state="!!fake" text="nope">
> <$button set="!!fake" setTo="yep" class="tc-btn-invisible">
> <$action-setfield checkedtime=<> />
> <$action-listops $tags="[[tag me tagged]]"/>
> Check me!
> 
> 
> <$reveal type="match" state="!!fake" text="yep">
> <$button set="!!fake" setTo="nope" class="tc-btn-invisible">
> <$action-setfield checkedtime=""/>
> <$action-listops $tags="-[[tag me tagged]]"/>
> UnCheck me!
> 
> 
>
> {{!!checkedtime}}
>
> A bit long winded -- but can't see any shortcuts.
>
> regards
>
> On Monday, 11 January 2016 07:36:55 UTC+2, Scott Simmons (Secret-HQ) wrote:
>>
>>
>> On Sunday, January 10, 2016 at 9:36:53 PM UTC-5, Matabele wrote:
>>  
>>
>>> The value in 'checkedtime' toggles as expected, however the checkbox's 
>>> have no effect?
>>>
>>
>> H.  I could've sworn I had that working last night.  (And, like a 
>> bonehead, I've already cleared my backups and can't find the one where I 
>> thought it worked.)
>>
>> Maybe I had the <$button> macro as a child of <$checkbox> rather than the 
>> other way around?  That toggles the tag on and off:
>>
>> <$reveal type="match" state="!!fakeCheckboxChecked" text="nope">
>> <$checkbox tag="tag me tagged">
>> <$button set="!!fakeCheckboxChecked" setTo="yep" class="tc-btn-invisible">
>> <$action-setfield checkedtime=<> />
>> Check me!
>> 
>> 
>> 
>>
>
Thanks, Matabele!  That *does* the trick in TiddlyWiki 5.1.10, all right!

In 5.1.9 (where I'd been playing around with this), it looks like the 
<$action-listops> macro isn't part of the core.

Just FYI, I tried using <$action-sendmessage> with tm-add-tag and 
tm-remove-tag, to no avail.  Clearly I'm misunderstanding/misusing that 
widget ... .

<$reveal type="match" state="!!fakecheckboxchecked" text="nope">
<$button set="!!fakecheckboxchecked" setTo="yep" class="tc-btn-invisible">
<$action-setfield checkedtime=<> />
<$action-sendmessage $message="tm-add-tag" param="tag me tagged" />
Check me!



<$reveal type="match" state="!!fakecheckboxchecked" text="yep">
<$button set="!!fakecheckboxchecked" setTo="nope" class="tc-btn-invisible">
<$action-setfield checkedtime="" />
<$action-sendmessage $message="tm-remove-tag" param="tag me tagged" />
Uncheck me!



Thanks again for taking time to educate me on <$action-listops>!

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Eric Shulman]

On Monday, January 11, 2016 at 10:51:21 AM UTC-8, Scott Simmons (Secret-HQ) 
wrote:
>
> Thanks, Matabele!  That *does* the trick in TiddlyWiki 5.1.10, all right!
> In 5.1.9 (where I'd been playing around with this), it looks like the 
> <$action-listops> macro isn't part of the core.
>

Yup.  listops was added in 5.1.10
 

Just FYI, I tried using <$action-sendmessage> with tm-add-tag and 
> tm-remove-tag, to no avail.  Clearly I'm misunderstanding/misusing that 
> widget ... 
>

Wrap your button inside a <$fieldmangler>  This will 
catch the tm-add-tag and tm-remove-tag messages and update the tags field 
accordingly (adding/removing the tag from the existing tag list value).

-e

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

On Monday, January 11, 2016 at 1:57:49 PM UTC-5, Eric Shulman wrote:
 
>
> Just FYI, I tried using <$action-sendmessage> with tm-add-tag and 
>> tm-remove-tag, to no avail.  Clearly I'm misunderstanding/misusing that 
>> widget ... 
>>
>
> Wrap your button inside a <$fieldmangler>  This will 
> catch the tm-add-tag and tm-remove-tag messages and update the tags field 
> accordingly (adding/removing the tag from the existing tag list value).
>

A-ha!

Knowing that is *SO* much more satisfying than "man, I'm doing *SOMETHING* 
wrong 
up in here."   :D

Thanks!

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

H.

Any thoughts on the various advantages/disadvantages of using 
<$action-listops> vs. <$fieldmangler> and <$action-sendmessage>?

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Matabele]

Hi Scott

Before the introduction of the ActionListops widget in v5.1.10 -- the only 
option to add or remove a tag using a button were the 'tm-add-tag' and 
'tm-remove-tag' messages in conjunction with an enclosing FieldMangler 
widget (unless it were permissible to overwrite the 'tags' field with an 
ActionSetfield widget.)

The ActionListops widget is not only simpler to use in simple cases (action 
widgets are generally more straightforward to use than widgets based on 
widget messaging) -- but also allow many versatile options for manipulating 
the 'tags' or any other list in any field or index. 

For the simple usage case of adding and removing a tag (mimicking the 
MangleTags functionality), the default field reverts to 'tags':

<$button>
<$action-listops tiddler="Target Tiddler" $tags="[[Tag to Add]] -[[Tag to 
Remove]]"/>
Tag

If the tags don't contain spaces, then the double brackets are unnecessary:

<$button>
<$action-listops $tiddler="Target Tiddler" $tags="AddTag AndAnother 
-RemoveTag -RemoveAnotherTag"/>
Tag

Compare with:

<$fieldmangler tiddler="Target Tiddler">
<$button>
<$action-sendmessage $message="tm-add-tag" $param="AddTag"/>
<$action-sendmessage $message="tm-add-tag" $param="AndAnother"/>
<$action-sendmessage $message="tm-remove-tag" $param="RemoveTag"/>
<$action-sendmessage $message="tm-remove-tag" $param="RemoveAnotherTag"/>
Tag


In some cases, a simple filter expression can allow greater brevity e.g. to 
clear all non-system tags (keep system tags) -- and add new tags:

<$button>
<$action-listops $tiddler="Target Tiddler" $tags="+[prefix[$:/]] MyNew 
Tags"/>
Tag

Therefore, an apparent advantage to learning the workings of the 
ActionListops widget. The downside -- new to the core; may have bugs in 
edge cases.

regards

On Tuesday, 12 January 2016 06:42:44 UTC+2, Scott Simmons (Secret-HQ) wrote:
>
> H.
>
> Any thoughts on the various advantages/disadvantages of using 
> <$action-listops> vs. <$fieldmangler> and <$action-sendmessage>?
>

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

*VERY *cool.  I had no idea you could pass filter expressions (like 
[prefix[$:/]]) in there!

(I'm assuming that's a typo in your previous example and should be *-*
prefix[$:/] rather than *+*.)

Thanks for the explanation  As with most things Tiddly, it's opened the 
door to a bunch of *new* potential solutions to workflow issues.  ;)

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Matabele]

Hi Scott

If you examine the logic:
-- '+[prefix[$:/]]' keeps items prefixed with '$:/" (and discards all other 
items)
-- and '+[!prefix[$:/]]' keeps items not prefixed with '$:/" (and discards 
the system tags)

regards

On Thursday, 14 January 2016 08:12:52 UTC+2, Scott Simmons (Secret-HQ) wrote
>
>
> (I'm assuming that's a typo in your previous example and should be *-*
> prefix[$:/] rather than *+*.)
>
>

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

Ohh!

I was unaware of the special meaning *+* has in <$action-listops>.

Even cooler!  :D

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Matabele]

Hi Scott

This isn't a special meaning -- only that the $tags= and $subfilter= 
attributes of the widget are set up to operate on the existing content of 
the target field (as additional filter runs.)

So:
<$action-listops $field="my-field" $subfilter="+[additional[filter run]]"/>

Is equivalent to:
<$action-listops $field="my-field" $filter="[list[!!my-field]] 
+[additional[filter run]]"/>

regards


On Thursday, 14 January 2016 08:48:18 UTC+2, Scott Simmons (Secret-HQ) 
wrote:
>
> Ohh!
>
> I was unaware of the special meaning *+* has in <$action-listops>.
>
> Even cooler!  :D
>

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[tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[Scott Simmons (Secret-HQ)]

Ah, I see now.  (I think.)

I wasn't recognizing the value of $tags as a filter expression.  Viewed in 
that light, the *+* makes a little more sense.

Though it does prep my brain to expect that any string passed in there 
*without* the *+* would overwrite the existing tags entirely.  I.e., if 
$tags="+[prefix[$:/]] 
MyNew Tags" works like $field="tags" filter="[list[!!tags]] +[prefix[$:/]] 
MyNew Tags", then why doesn't MyNew (without a *+*) clear the field and 
reset its value to MyNew *only* (with Tags following up and doing the same, 
leaving Tags the sole tag on the tiddler)?  I know it doesn't work this 
way, but I'd expect all the individual tag values (if they're subfilters) 
to require the *+*.

I probably just need to sit and contemplate your examples a while until it 
sinks in.  Thanks again for breaking <$action-listops> down for me and 
being so patient as I try to charge through it like a bull in a china shop.

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Re: [tw] Re: [TW5] Writing to Two Separate Fields with Checkbox Input

[William Jackson]

Hi Scott

No problem. The filter syntax is all standard — nothing unusual for the 
ActionListops widget. There’s documentation on filter expressions and filter 
runs on tw5.com — takes a little getting used to though. I investigate filter 
expressions in the filter tab of advanced search — helps to see what’s going on.

regards,

William Jackson

On 14 January 2016 at 7:36:06 PM, Scott Simmons (Secret-HQ) 
(goo...@secret-hq.com) wrote

I probably just need to sit and contemplate your examples a while until it 
sinks in.  Thanks again for breaking <$action-listops> down for me and being so 
patient as I try to charge through it like a bull in a china shop.

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