1 /*
2 * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
50 import javafx.beans.value.ChangeListener;
51 import javafx.collections.ObservableList;
52 import javafx.event.EventDispatcher;
53 import javafx.event.EventHandler;
54 import javafx.geometry.Orientation;
55 import javafx.scene.AccessibleRole;
56 import javafx.scene.Group;
57 import javafx.scene.Node;
58 import javafx.scene.Parent;
59 import javafx.scene.Scene;
60 import javafx.scene.control.Cell;
61 import javafx.scene.control.IndexedCell;
62 import javafx.scene.control.ScrollBar;
63 import javafx.scene.input.MouseEvent;
64 import javafx.scene.input.ScrollEvent;
65 import javafx.scene.layout.Region;
66 import javafx.scene.layout.StackPane;
67 import javafx.scene.shape.Rectangle;
68 import javafx.util.Callback;
69 import javafx.util.Duration;
70 import sun.util.logging.PlatformLogger;
71
72 import java.util.AbstractList;
73 import java.util.ArrayList;
74 import java.util.BitSet;
75 import java.util.List;
76
77 /**
78 * Implementation of a virtualized container using a cell based mechanism. This
79 * is used by the skin implementations for UI controls such as
80 * {@link javafx.scene.control.ListView}, {@link javafx.scene.control.TreeView},
81 * {@link javafx.scene.control.TableView}, and {@link javafx.scene.control.TreeTableView}.
82 *
83 * @since 9
84 */
85 public class VirtualFlow<T extends IndexedCell> extends Region {
86
87 /***************************************************************************
88 * *
89 * Static fields *
90 * *
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1 /*
2 * Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
50 import javafx.beans.value.ChangeListener;
51 import javafx.collections.ObservableList;
52 import javafx.event.EventDispatcher;
53 import javafx.event.EventHandler;
54 import javafx.geometry.Orientation;
55 import javafx.scene.AccessibleRole;
56 import javafx.scene.Group;
57 import javafx.scene.Node;
58 import javafx.scene.Parent;
59 import javafx.scene.Scene;
60 import javafx.scene.control.Cell;
61 import javafx.scene.control.IndexedCell;
62 import javafx.scene.control.ScrollBar;
63 import javafx.scene.input.MouseEvent;
64 import javafx.scene.input.ScrollEvent;
65 import javafx.scene.layout.Region;
66 import javafx.scene.layout.StackPane;
67 import javafx.scene.shape.Rectangle;
68 import javafx.util.Callback;
69 import javafx.util.Duration;
70 import com.sun.javafx.logging.PlatformLogger;
71
72 import java.util.AbstractList;
73 import java.util.ArrayList;
74 import java.util.BitSet;
75 import java.util.List;
76
77 /**
78 * Implementation of a virtualized container using a cell based mechanism. This
79 * is used by the skin implementations for UI controls such as
80 * {@link javafx.scene.control.ListView}, {@link javafx.scene.control.TreeView},
81 * {@link javafx.scene.control.TableView}, and {@link javafx.scene.control.TreeTableView}.
82 *
83 * @since 9
84 */
85 public class VirtualFlow<T extends IndexedCell> extends Region {
86
87 /***************************************************************************
88 * *
89 * Static fields *
90 * *
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