javafx - Can I set custom alignment in a column?

Question

I need to make custom alignment in my TreeTableView column.

I test css style:

-fx-alignment: CENTER-RIGHT;

and my column has alignment:

start picture

But I need to be able to choose the alignment myself, for example by setting it so that in the end the text is not in the middle or right or left, but has an indent on the right, similar to this:

1) picture1 - before changes

2) picture2 - after changes

I know there are many different types of alignment, I have tested these:

-fx-text-alignment: [ top-left | top-center | top-right | center-left | center | center-right bottom-left | bottom-center | bottom-right | baseline-left | baseline-center | baseline-right ]

But I never found something similar to dynamic alignment change, tell me please, is it possible to adjust the alignment in such a way that you can, for example, indent 1, 2 or 4 characters on the right or do something similar?

my test:

public void test_initTestTableView() {
        
    TableView testTableView = controller.getTestTableView();
    testTableView.setPlaceholder(new Label(" "));
    TableColumn column1 = (TableColumn) testTableView.getColumns().get(0);
    column1.setCellValueFactory(new PropertyValueFactory<>("fileName"));
    
    TableColumn column2 = (TableColumn) testTableView.getColumns().get(1);
    column2.setCellValueFactory(new PropertyValueFactory<>("fileSize"));
        
    column2.setStyle("-fx-alignment: CENTER-RIGHT;");
    ObservableList list_rows = testTableView.getItems();
    list_rows.add(new RecordFileName("name1", "1"));
    list_rows.add(new RecordFileName("name2", "2"));
    list_rows.add(new RecordFileName("name3", "3"));
    list_rows.add(new RecordFileName("name4", "4"));
}

RecordFileName.java:

import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;

public class RecordFileName {
    
    private final ObjectProperty fileName;
    
    private final ObjectProperty fileSize;
    
    public RecordFileName (String name, String size) {
        this.fileName = new SimpleObjectProperty<>(this, "fileName");
        this.fileName.set(name);
        
        this.fileSize = new SimpleObjectProperty<>(this, "fileSize");
        this.fileSize.set(size); //Добавить отступ справа от значения
    }
    
    public final ObjectProperty fileNameProperty() {
        return this.fileName;
    }
    
    public final ObjectProperty fileSizeProperty() {
        return this.fileSize;
    }
}

main.fxml

user_19585355 · Answer

If you have a similar problem, where you need to be able to control the alignment in a column from the desired table, then this solution can help you:

/**
* Get scrollBar from current tableView or treeTableView
*/
Set scrollBars = treeTableViewFileName.lookupAll(".scroll-bar");
Optional verticalScrollBar = scrollBars.stream()
   .filter(node ->((ScrollBar) node).getOrientation().equals(Orientation.VERTICAL))
   .findAny();

verticalScrollBar.ifPresent(node -> 
 node.visibleProperty().addListener((observable, oldValue, newValue) -> {
   if(newValue) { //If scrollBar is visible?
       //column FileSize
       ((TreeTableColumn) ThreadTreeTableViewFileName.treeTableViewFileName.getColumns().get(1)).setStyle("-fx-alignment: CENTER-RIGHT; -fx-padding: 0 90 0 0;");
   } else { //Else scrollBar is hide
       //column FileSize
   ((TreeTableColumn) ThreadTreeTableViewFileName.treeTableViewFileName.getColumns().get(1)).setStyle("-fx-alignment: CENTER-RIGHT; -fx-padding: 0 5 0 0;");
   }
 })
);

If you need to change the style of a column when a vertical scroll bar appears in this table, then this may be one of the solutions to the problem.

javafx - Can I set custom alignment in a column?

1 Answers