B4J Question Tableview Resize Column Event

[ziomorgan]

Can anyone help me to implement the tableview resize column event ?
The methods getDelta and getColumn are very nice.
This is the oracle manual page https://docs.oracle.com/javase/8/javafx/api/javafx/scene/control/ResizeFeaturesBase.html#getDelta--
Thank you

 

[Erel]

What do you need it for?

You can make a row with cells made of panes and then handle the panes resize event.

 

[ziomorgan]

I want to create text boxes above the header of the grid to be used as a filter boxes and match the width of the columns even when they are resized

 

[Erel]

It will be quite complicated to create such a layout. You can make the columns not resizable...

 

[ziomorgan]

In the Tableview there are many columns and I must necessarily give the possibility to resize them to the user. It is not possible to create an event ColumnResize_Event for the ResizeFeaturesBase class?

 

[ziomorgan]

alternatively I could create a line of text boxes within the TableView, but if I make a double click on the header of Tableview its text box disappears. Is there a way to solve this problem?

 

[Erel]

A resize event will not be enough as you will need to move all the other fields as well. Currently there is no resize event.

alternatively I could create a line of text boxes within the TableView, but if I make a double click on the header of Tableview its text box disappears. Is there a way to solve this problem?

Please create a small example and upload it.

 

[ziomorgan]

Please see the attached example. You can try to do doubleclick in the middle of two header columns to check that the relative object disappers

 

[Erel]

Why are you using FXML layouts?

You can use this code to disable double click on the vertical line:

  Dim r As Reflector
   r.Target = TableView1
   r.AddEventFilter("TableView1MouseClicked", "javafx.scene.input.MouseEvent.ANY")



Sub TableView1MouseClicked_Filter(e As Event)
   Dim jo As JavaObject = e
   Dim v As Node = jo.RunMethod("getTarget", Null)
   If GetType(v) = "javafx.scene.shape.Rectangle" Then
     Dim m As MouseEvent = e
     If m.ClickCount >= 2 Then
       m.Consume
     End If
   End If
End Sub

 

[ziomorgan]

Why are you using FXML layouts?

It is an old project.

Your solution works well.
However what is the reason of the malfunction?
Can be simulated by code the resize of the column based on it's content?

 

[Erel]

However what is the reason of the malfunction?

Bug in JavaFX.

Can be simulated by code the resize of the column based on it's content?

It will not work with elements made of nodes.