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JavaFX : TableView inside Dialog has duplicate items


JavaFX : TableView inside Dialog has duplicate items

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JavaFX : TableView inside Dialog has duplicate items
Tag : development , By : Mario Tristan
Date : November 28 2020, 11:01 PM

Hope that helps You have to clear your cells in the cell factory if the cell is empty, as explained in the documentation:
 protected void updateItem(T item, boolean empty) {
     super.updateItem(item, empty);

     if (empty || item == null) {
         setText(null);
         setGraphic(null);
     } else {
         setText(item.toString());
     }
 }

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Refreshing tableView in JavaFx after closing dialog


Tag : javafx , By : Karina
Date : March 29 2020, 07:55 AM
Does that help The new Dialog, if I am not wrong must be a new Stage ! Let us consider the new Stage to be modifyStage. We can call the onSetCloseRequest of the new Stage and put your code in it.
modifyStage.setOnCloseRequest(new EventHandler<WindowEvent>() {

    @Override
    public void handle(WindowEvent paramT) {
        data.removeAll(data);
        loadDataToTable();
    }
});

When updating items or drag and drop TableColumns in TableView in JavaFX 8 the TableView breaks


Tag : css , By : cthulhup
Date : March 29 2020, 07:55 AM
help you fix your problem I found this jira issue : https://javafx-jira.kenai.com/browse/RT-31869 which desrcibes the problem above.

Duplicate columns in JavaFX TableView


Tag : java , By : Zinovate
Date : March 29 2020, 07:55 AM
like below fixes the issue I'm pulling a ResultSet from a MySQL database and attempting to dynamically build a TableView on a key down event. It works fine the first time I trigger it, but all subsequent times it creates duplicates of my initial columns while changing the row data for each column to match the new ResultSet. I want the TableView to be cleared completely every time this build function is run. , Just clear the current columns before you start adding them:
table.getColumns().clear();
for(int i = 0; i < rs.getMetaData().getColumnCount(); i++) {
    // ...
}

When trying to add items to a JavaFX TableView through an ObservableList, the TableView items won't show


Tag : java , By : Sanoran
Date : March 29 2020, 07:55 AM
This might help you You never set the cellValueFactorys for the table's columns. You need to do this to specify the part of the items that should be displayed in the column.
An example with anonymus classes as cellValueFactorys can be found here.

How do you update a row (rather than add a new row) in a TableView when duplicate items are added? [JavaFX]


Tag : java , By : Al Dimond
Date : March 29 2020, 07:55 AM
it helps some times When you add an item to an ObservableList, which is being displayed in a TableView, how can you update a row when a duplicate item is added? , Scan through the table's items to see if there is an existing item:
public void addItem(String itemName, int quantity, Double price) {

    Item entry = currentOrderTable.getItems().stream()
        .filter(item -> item.getItem().equals(itemName))
        .findAny()
        .orElseGet(()-> {
             Item newItem = new Item(itemName, 0, 0);
             currentOrderTable.getItems().add(newItem);
             return newItem ;
        });

    entry.setQuantity(entry.getQuantity() + quantity)
    entry.setPrice(entry.getPrice() + price);


}
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