Edit C:\Program Files\Java\jdk1.8.0_121\javafx\scene\control\ScrollToEvent.java
/* * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package javafx.scene.control; import javafx.beans.NamedArg; import javafx.event.Event; import javafx.event.EventTarget; import javafx.event.EventType; /** * Event related to {@link ScrollPane} and virtualised controls such as * {@link ListView}, {@link TableView}, {@link TreeView} and {@link TreeTableView}. * @since JavaFX 8.0 */ public class ScrollToEvent<T> extends Event { // /** // * This event occurs if the user requests scrolling a node into view. // */ // @SuppressWarnings("unchecked") // public static EventType<ScrollToEvent<Node>> scrollToNode() { // return SCROLL_TO_NODE; // } // private static final EventType<ScrollToEvent<Node>> SCROLL_TO_NODE = // new EventType<ScrollToEvent<Node>>(ScrollToEvent.ANY, "SCROLL_TO_NODE"); /** * Common supertype for all scroll-to event types. */ public static final EventType<ScrollToEvent> ANY = new EventType<ScrollToEvent> (Event.ANY, "SCROLL_TO"); /** * This event occurs if the user requests scrolling a given index into view. */ public static EventType<ScrollToEvent<Integer>> scrollToTopIndex() { return SCROLL_TO_TOP_INDEX; } private static final EventType<ScrollToEvent<Integer>> SCROLL_TO_TOP_INDEX = new EventType<ScrollToEvent<Integer>>(ScrollToEvent.ANY, "SCROLL_TO_TOP_INDEX"); /** * This event occurs if the user requests scrolling a {@link TableColumnBase} * (i.e. {@link TableColumn} or {@link TreeTableColumn}) into view. */ @SuppressWarnings("unchecked") public static <T extends TableColumnBase<?, ?>> EventType<ScrollToEvent<T>> scrollToColumn() { return (EventType<ScrollToEvent<T>>) SCROLL_TO_COLUMN; } private static final EventType<?> SCROLL_TO_COLUMN = new EventType<>(ScrollToEvent.ANY, "SCROLL_TO_COLUMN"); private static final long serialVersionUID = -8557345736849482516L; private final T scrollTarget; /** * Construct a new {@code Event} with the specified event source, target * and type. If the source or target is set to {@code null}, it is replaced * by the {@code NULL_SOURCE_TARGET} value. * * @param source the event source which sent the event * @param target the event source which sent the event * @param type the event type * @param target the target of the scroll to operation */ public ScrollToEvent(@NamedArg("source") Object source, @NamedArg("target") EventTarget target, @NamedArg("type") EventType<ScrollToEvent<T>> type, @NamedArg("scrollTarget") T scrollTarget) { super(source, target, type); assert scrollTarget != null; this.scrollTarget = scrollTarget; } public T getScrollTarget() { return scrollTarget; } }
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