JavaFX TableColumn text wrapping

Steve picture Steve · Mar 29, 2014 · Viewed 14.4k times · Source

I am experiencing an issue when resizing a TableView which contains text items that wrap around TableCell items. Upon resizing, hidden values are resized but the visible items do not re-calculate the text wrapping.

The issue.

The tweets in the red box were hidden during the resize and had their text wrapping adjusted as expected. Tweets above the box were visible during the resize phase and still have the old wrapping.

Below is my code for the resize phase.

fxSearchResultsTableTweet.setCellFactory(new Callback<TableColumn<Status, String>, TableCell<Status, String>>() {
        @Override
        public TableCell<Status, String> call(TableColumn<Status, String> arg0) {
            return new TableCell<Status, String>() {
                private Text text;

                @Override
                public void updateItem(String item, boolean empty) {
                    super.updateItem(item, empty);
                    if (!isEmpty()) {
                        text = new Text(item.toString());
                        text.setWrappingWidth(fxSearchResultsTableTweet.getWidth());
                        this.setWrapText(true);

                        setGraphic(text);
                    }
                }
            };
        }
    });
}

Any help would be greatly appreciated.

Answer

James_D picture James_D · Mar 29, 2014

This is closer, but not great:

    textCol.setCellFactory(new Callback<TableColumn<Status, String>, TableCell<String, String>>() {

        @Override
        public TableCell<Status, String> call(
                TableColumn<Status, String> param) {
            TableCell<Status, String> cell = new TableCell<>();
            Text text = new Text();
            cell.setGraphic(text);
            cell.setPrefHeight(Control.USE_COMPUTED_SIZE);
            text.wrappingWidthProperty().bind(cell.widthProperty());
            text.textProperty().bind(cell.itemProperty());
            return cell ;
        }

    });

In 2.2 this displays the wrong height when you add new items to the table, then on resize the cells are sized correctly. In 8 it's almost perfect, just seems to fail after the first item is added (at least in my mock-up).

As noted in the comments,

textCol.setCellFactory(tc -> {
    TableCell<Status, String> cell = new TableCell<>();
    Text text = new Text();
    cell.setGraphic(text);
    cell.setPrefHeight(Control.USE_COMPUTED_SIZE);
    text.wrappingWidthProperty().bind(textCol.widthProperty());
    text.textProperty().bind(cell.itemProperty());
    return cell ;
});

appears to work better.