B4J Question [SOLVED] [BANano] Creating CustomListView with UL/LI and using Input Control Events

Mashiane · Oct 19, 2023

Hi

I am using BANano.LoadLayoutArray to create a custom view. This is basically ul/li components with input components.

B4X:

<div id="sduicol3_6" class="col pr-4 pl-4 xs:col-span-3 sm:col-span-3 md:col-span-3 lg:col-span-3 xl:col-span-3 col-span-3"><input name="toggle1_6" type="checkbox" id="toggle1_6" class="toggle"></div>

I have assigned a change event to the checkbox input element and trapping the Sender. I cant have this working with getChecked / setChecked event.

Could the sender be picking up the "parent" of the respective node that is changed?

I will see if I can reproduce this with native html components..

Mashiane · Oct 19, 2023

Use Case 1

As an example, in the example below, I click a child item in a list and trap with _itemclick.

B4X:

Sub sduimenu1_itemclick(e As BANanoEvent)
    Log(e)
    Dim menuitem As SDUIMenuItem = Sender
    Log(menuitem)
    SDUIMDToast1.ShowInfo(menuitem.Tag)
End Sub

The log of e below, indicates that a child item was indeed clicked as per target.

Defined as

B4X:

<li id="menuitem_5"><a id="menuitemanchor_5"><p id="menuitemtitle_5" class="text-2xl font-bold">Item - E</p></a></li>

The Sender returned is indeed the menuitem_5, which works well with this use case.

Mashiane · Oct 19, 2023

Use Case 2

Output

Now when I click the button / change the checkbox. The Sender does not return the clicked element (i.e button), but the something else, its like the parent div.

B4X:

<div id="sduicol2_7" class="col pr-4 pl-4 xs:col-span-4 sm:col-span-4 md:col-span-4 lg:col-span-4 xl:col-span-4 col-span-4"><button id="button1_7" class="btn normal-case btn-wide btn-neutral" data-color="btn-neutral"><span id="button1_7_text">B</span></button></div>

Not sure if anyone has experienced this, I would like to get a work-around.

Mashiane · Oct 19, 2023

Solved, the issue was with the code. I assigned a wrong component names and assigned events incorrectly.

B4J Question [SOLVED] [BANano] Creating CustomListView with UL/LI and using Input Control Events

Mashiane

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B4J Question [SOLVED] [BANano] Creating CustomListView with UL/LI and using Input Control Events

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