B4J Library [B4X] [XUI] SD_xComboBox

Star-Dust · Oct 22, 2021

At the request of my friend @Mashiane , I created a combobox that has the graphics of my IconTextView that is Multiplatform (B4X, B4J, B4i)

NOTE: You can use this library for personal and commercial use. Include it in your projects.. Attention, even if it is a B4XLib library, it is not allowed to decompress it, modify it, change its name or redistribute it without the permission of the author

SD_xComboBox

Author: Star-Dust
Version: 0.16

SD_xComboBox
- Events:
  - ItemClick (Position As Int, Value As Object)
  - OpenList
- Fields:
  - ItemHeight As Int
  - mBase As B4XView
  - OpenDropDownOnFocus As Boolean
  - Tag As Object
- Functions:
  - Add (Text As String, ReturnValue As Object)
    Add Item
  - AddAll (L As List)
    Add List of Item, Return Value is a Text
  - Clear
  - CloseDropDown
  - DesignerCreateView (Base As Object, Lbl As Label, Props As Map)
    Base type must be Object
  - GetBase As B4XView
  - GetItem (Position As Int) As String
  - GetValue (Position As Int) As Object
  - Initialize (Callback As Object, EventName As String)
  - isDropDownOpen As Boolean
  - OpenDropDown
  - SetSelection(Start As Int, Length As Int)
  - Size As Int
- Properties:
  - Enabled As Boolean
  - Hint As String
  - HintFont As B4XFont
  - SelectedIndex As Int
  - SelectedTextItem As String
  - SelectOnlyFromList As Boolean
  - SelectedValueItem As Object
  - SelectionLenght As Int [read only]
  - SelectionStart As Int [read only]
  - TextFont As B4XFont

Star-Dust · May 26, 2022

Dadaista said:
0K @Star-Dust. Is what I need.

Thank You!!

Dadaista · May 26, 2022

Something like that. The border more fat ... I am triying but the border is slim .... changing the border in properties

Thank you again @Star-Dust ?

Sergio Haurat · Jul 14, 2023

@Star-Dust, I've spent days looking for this solution, thanks!

- I have found a problem, when the text can be edited, the cursor always moves to position 0, not to the end of the text. It would be convenient in any case, to select all the text to replace it with a new keyboard entry or to leave the cursor in the position that the user pressed.

- An improvement would be to be able to search without distinguishing the upper case from the lower case

Star-Dust · Jul 15, 2023

Update 0.13

Added SetSelection(Start As Int, Length As Int)
Added SelectionStart and SelectionLength

With this it works every time the focus changes you can select the cursor wherever you want

B4X:

Private Sub xComboBox_FocusChanged (HasFocus As Boolean)
    xComboBox.SetSelection(xComboBox.SelectedTextItem.Length,0)
End Sub

Sergio Haurat · Jul 15, 2023

This is where I see a problem. I don't understand if this is inside your code or if you propose to write it in my code.

My opinion:

'By not having the "if in focus" question, it always returns the cursor to zero position, even when exiting the combo.
Private Sub xComboBox_FocusChanged (HasFocus As Boolean)
  If HasFocus Then
   'How about selecting all? If I want to write again when typing the first character it replaces the entire text.
    xComboBox.SetSelection(0, xComboBox.SelectedTextItem.Length - 1)
  End If
End Sub

You can make the search not "equal to text", but instead the search to be "containing text" and not case sensitive

Star-Dust · Jul 15, 2023

Sergio Haurat said:

This is where I see a problem. I don't understand if this is inside your code or if you propose to write it in my code.

My opinion:

'By not having the "if in focus" question, it always returns the cursor to zero position, even when exiting the combo.
Private Sub xComboBox_FocusChanged (HasFocus As Boolean)
  If HasFocus Then
   'How about selecting all? If I want to write again when typing the first character it replaces the entire text.
    xComboBox.SetSelection(0, xComboBox.SelectedTextItem.Length - 1)
  End If
End Sub

write it in your code.

Sergio Haurat said:
You can make the search not "equal to text", but instead the search to be "containing text" and not case sensitive

I will see for the next update

Star-Dust · Jul 16, 2023

Update 0.14

Added property: SelectOnlyFromList As Boolean

The text search does not only take place for the initial letters but for all the text in the field.
Ignore uppercase and lowercase and finally it is possible to select only from the list or type an element not present in the list with the SelectOnlyFromList command

Jorgelcr · Oct 18, 2023

Hello,
It gives me the following error when I try to test its library.

Star-Dust · Oct 18, 2023

Kindly post an example that I can try

Jorgelcr · Oct 18, 2023

It is the example of post #2 that I downloaded

Star-Dust · Oct 19, 2023

Update 0.15

Fix bug

Jorgelcr · Oct 19, 2023

Star-Dust said:
Update 0.15

Fix bug

How do I download version 0.15?

Star-Dust · Oct 19, 2023

Jorgelcr said:
How do I download version 0.15?

See post #1

Star-Dust · Nov 29, 2023

Update 0.16

Fix bug

pliroforikos · Apr 8, 2024

Hello,
i'm using this wonderfull library but i have a problem when i put it inside clv. As I scroll through the list the combo box list appears lower and lower when I click on one combo box. In the image bellow i clicked in first combo box. In B4A works as expected the problem is in B4i.
Thank you.

Star-Dust · Apr 9, 2024

pliroforikos said:
Hello,
i'm using this wonderfull library but i have a problem when i put it inside clv. As I scroll through the list the combo box list appears lower and lower when I click on one combo box. In the image bellow i clicked in first combo box. In B4A works as expected the problem is in B4i.
Thank you.

View attachment 152544

Hi,

There is currently no solution. When inserted inside an xCLV it is not able to manage the position because the list is already part of a Scrollable View.

Wait for an update that may fix the problem.

B4J Library [B4X] [XUI] SD_xComboBox

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