Re: how to make a list of items that can be rearranged via drag and drop or buttons

Check out the examples using jQueryUI.
After loading Seaside in your image, you can find them at http://localhost:8080/javascript/jquery-ui <http://localhost:8080/javascript/jquery-ui>

cheers
Johan

> On 15 Jul 2020, at 00:00, Louis LaBrunda <[email protected]> wrote:
> 
> Hi Esteban,
> 
> Thank you very much, I will give it a try.
> 
> Lou
> 
> 
> On Tue, 14 Jul 2020 17:28:23 -0300, Esteban Maringolo <[email protected]> wrote:
> 
>> Hi Louis,
>> 
>> I use jQuery UI sortable() [1] for this. You need to add the
>> JQUiDeploymentLibrary library to your application (or link the to the
>> files).
>> 
>> MyComponent>>renderContentOn: html
>> 
>> html div
>> "snip"
>> script: (self createSortableOn: html)
>> "snip"
>> 
>> MyComponent>>createSortableOn: html
>> 
>> ^(((html jQuery id: self elementId)
>> find: '.' , self containerCssClass , ':first') sortable)
>> placeholder: 'placeholder';
>> handle: '.sort-handle';
>> onStart: ((JSStream on: 'ui.placeholder.height(ui.item.height());')
>> asFunction: #('e' 'ui'));
>> onUpdate: (self createSortableUpdateScriptOn: html);
>> yourself
>> 
>> 
>> MyComponent>>createSortableUpdateScriptOn: html
>> ^html jQuery post
>> callback: [:v | self reorderChildrenWithSequence: (v subStrings:
>> ',')] value: (((html jQuery id: self elementId)
>> find: '.' , self containerCssClass, ':first') call: 'sortable' with:
>> 'toArray')
>> 
>> Each sortable DOM element has an id attribute that is what the
>> sortable("toArray") uses to get the id of each (it is also
>> configurable), then with that collection of IDs look for them in my
>> model:
>> 
>> reorderChildrenWithSequence: anOrderedCollection
>> self children: (anOrderedCollection collect: [:each | self children
>> detect: [:one | one elementId = each]]).
>> self model children: (self children collect: [:each | each model])
>> 
>> Also I use a placeholder while the dragging begins, you can remove the
>> onStart: part if you're not interested in it.
>> 
>> I hope this helps you get started.
>> 
>> Best regards,
>> 
>> [1] https://jqueryui.com/sortable/
>> 
>> ps: My case is a little more complicated as I can sort at arbitrary
>> depth (but only within the same level of depth), but it's a single
>> component that recursively builds a tree of components.
>> You can replace the ((html jQuery id: self elementId) find: '.' , self
>> containerCssClass , ':first') by your jQuery instance.
>> 
>> 
>> Esteban A. Maringolo
>> 
>> 
>> 
>> On Tue, Jul 14, 2020 at 4:50 PM Louis LaBrunda
>> <[email protected]> wrote:
>>> 
>>> Hi All,
>>> 
>>> Can anyone please give me an example of how to make a list of items that can be rearranged via drag and drop or buttons
>>> and the new order retrieved?
>>> 
>>> Lou
>>> --
>>> Louis LaBrunda
>>> Keystone Software Corp.
>>> SkypeMe callto://PhotonDemon
>>> 
>>> _______________________________________________
>>> seaside mailing list
>>> [email protected]
>>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>> _______________________________________________
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> -- 
> Louis LaBrunda
> Keystone Software Corp.
> SkypeMe callto://PhotonDemon
> 
> _______________________________________________
> seaside mailing list
> [email protected]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

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