1 /* 2 * Copyright (c) 2016, 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 23 * questions. 24 */ 25 26 package com.sun.javafx.scene.shape; 27 28 import com.sun.javafx.sg.prism.NGNode; 29 import com.sun.javafx.util.Utils; 30 import javafx.scene.Node; 31 import javafx.scene.paint.Paint; 32 import javafx.scene.shape.Polyline; 33 import javafx.scene.shape.Shape; 34 35 /** 36 * Used to access internal methods of Polyline. 37 */ 38 public class PolylineHelper extends ShapeHelper { 39 40 private static final PolylineHelper theInstance; 41 private static PolylineAccessor polylineAccessor; 42 43 static { 44 theInstance = new PolylineHelper(); 45 Utils.forceInit(Polyline.class); 46 } 47 48 private static PolylineHelper getInstance() { 49 return theInstance; 50 } 51 52 public static void initHelper(Polyline polyline) { 53 setHelper(polyline, getInstance()); 54 } 55 56 @Override 57 protected NGNode createPeerImpl(Node node) { 58 return polylineAccessor.doCreatePeer(node); 59 } 60 61 @Override 62 protected void updatePeerImpl(Node node) { 63 super.updatePeerImpl(node); 64 polylineAccessor.doUpdatePeer(node); 65 } 66 67 @Override 68 protected Paint cssGetFillInitialValueImpl(Shape shape) { 69 return polylineAccessor.doCssGetFillInitialValue(shape); 70 } 71 72 @Override 73 protected Paint cssGetStrokeInitialValueImpl(Shape shape) { 74 return polylineAccessor.doCssGetStrokeInitialValue(shape); 75 } 76 77 @Override 78 protected com.sun.javafx.geom.Shape configShapeImpl(Shape shape) { 79 return polylineAccessor.doConfigShape(shape); 80 } 81 82 public static void setPolylineAccessor(final PolylineAccessor newAccessor) { 83 if (polylineAccessor != null) { 84 throw new IllegalStateException(); 85 } 86 87 polylineAccessor = newAccessor; 88 } 89 90 public interface PolylineAccessor { 91 NGNode doCreatePeer(Node node); 92 void doUpdatePeer(Node node); 93 Paint doCssGetFillInitialValue(Shape shape); 94 Paint doCssGetStrokeInitialValue(Shape shape); 95 com.sun.javafx.geom.Shape doConfigShape(Shape shape); 96 } 97 98 }