Example usage for javafx.beans Observable removeListener

Introduction

In this page you can find the example usage for javafx.beans Observable removeListener.

Prototype

void removeListener(InvalidationListener listener);

Source Link

Document

Removes the given listener from the list of listeners, that are notified whenever the value of the Observable becomes invalid.

Usage

From source file:acmi.l2.clientmod.xdat.Controller.java

private PropertySheet createPropertySheet(TreeView<Object> elements) {
    PropertySheet properties = new PropertySheet();
    properties.setSkin(new PropertySheetSkin(properties));

    elements.getSelectionModel().selectedItemProperty().addListener((selected, oldValue, newSelection) -> {
        properties.getItems().clear();//w  ww.  j av  a2 s  .c o m

        if (newSelection == null)
            return;

        Object obj = newSelection.getValue();

        if (obj instanceof ListHolder)
            return;

        if (!map.containsKey(obj.getClass())) {
            map.put(obj.getClass(), loadProperties(obj));
        }
        List<PropertySheetItem> props = map.get(obj.getClass());
        props.forEach(property -> {
            property.setObject(obj);
            ChangeListener<Object> addToHistory = (observable1, oldValue1, newValue) -> editor.getHistory()
                    .valueChanged(treeItemToScriptString(newSelection), property.getName(), newValue);
            property.addListener(addToHistory);

            selected.addListener(new InvalidationListener() {
                @Override
                public void invalidated(Observable observable) {
                    property.removeListener(addToHistory);
                    observable.removeListener(this);
                }
            });
        });
        properties.getItems().setAll(props);
    });

    return properties;
}

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