com.sun.javafx.scene.NodeHelper Maven / Gradle / Ivy
/*
* Copyright (c) 2013, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.javafx.scene;
import com.sun.glass.ui.Accessible;
import com.sun.javafx.geom.BaseBounds;
import com.sun.javafx.geom.PickRay;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.scene.input.PickResultChooser;
import com.sun.javafx.scene.traversal.Direction;
import com.sun.javafx.sg.prism.NGNode;
import com.sun.javafx.util.Utils;
import java.util.List;
import java.util.Map;
import javafx.beans.binding.BooleanExpression;
import javafx.beans.property.BooleanProperty;
import javafx.css.CssMetaData;
import javafx.css.Style;
import javafx.css.Styleable;
import javafx.css.StyleableProperty;
import javafx.geometry.Bounds;
import javafx.scene.Node;
import javafx.scene.SubScene;
import javafx.scene.shape.Shape;
import javafx.scene.shape.Shape3D;
import javafx.scene.text.Font;
/**
* Used to access internal methods of Node.
*/
public abstract class NodeHelper {
private static NodeAccessor nodeAccessor;
static {
Utils.forceInit(Node.class);
}
protected NodeHelper() {
}
protected static NodeHelper getHelper(Node node) {
NodeHelper helper = nodeAccessor.getHelper(node);
if (helper == null) {
String nodeType;
if (node instanceof Shape) {
nodeType = "Shape";
} else if (node instanceof Shape3D) {
nodeType = "Shape3D";
} else {
nodeType = "Node";
}
throw new UnsupportedOperationException(
"Applications should not extend the "
+ nodeType + " class directly.");
}
return helper;
}
protected static void setHelper(Node node, NodeHelper nodeHelper) {
nodeAccessor.setHelper(node, nodeHelper);
}
/*
* Static helper methods for cases where the implementation is done in an
* instance method that is overridden by subclasses.
* These methods exist in the base class only.
*/
public static NGNode createPeer(Node node) {
return getHelper(node).createPeerImpl(node);
}
public static void markDirty(Node node, DirtyBits dirtyBit) {
getHelper(node).markDirtyImpl(node, dirtyBit);
}
public static void updatePeer(Node node) {
getHelper(node).updatePeerImpl(node);
}
public static Bounds computeLayoutBounds(Node node) {
return getHelper(node).computeLayoutBoundsImpl(node);
}
/*
* Computes the geometric bounds for this Node. This method is abstract
* and must be implemented by each Node subclass.
*/
public static BaseBounds computeGeomBounds(Node node,
BaseBounds bounds, BaseTransform tx) {
return getHelper(node).computeGeomBoundsImpl(node, bounds, tx);
}
public static void transformsChanged(Node node) {
getHelper(node).transformsChangedImpl(node);
}
public static boolean computeContains(Node node, double localX, double localY) {
return getHelper(node).computeContainsImpl(node, localX, localY);
}
public static void pickNodeLocal(Node node, PickRay localPickRay,
PickResultChooser result) {
getHelper(node).pickNodeLocalImpl(node, localPickRay, result);
}
public static boolean computeIntersects(Node node, PickRay pickRay,
PickResultChooser pickResult) {
return getHelper(node).computeIntersectsImpl(node, pickRay, pickResult);
}
public static void geomChanged(Node node) {
getHelper(node).geomChangedImpl(node);
}
public static void notifyLayoutBoundsChanged(Node node) {
getHelper(node).notifyLayoutBoundsChangedImpl(node);
}
public static void processCSS(Node node) {
getHelper(node).processCSSImpl(node);
}
/*
* Methods that will be overridden by subclasses
*/
protected abstract NGNode createPeerImpl(Node node);
protected abstract boolean computeContainsImpl(Node node, double localX, double localY);
protected abstract BaseBounds computeGeomBoundsImpl(Node node,
BaseBounds bounds, BaseTransform tx);
protected void markDirtyImpl(Node node, DirtyBits dirtyBit) {
nodeAccessor.doMarkDirty(node, dirtyBit);
}
protected void updatePeerImpl(Node node) {
nodeAccessor.doUpdatePeer(node);
}
protected Bounds computeLayoutBoundsImpl(Node node) {
return nodeAccessor.doComputeLayoutBounds(node);
}
protected void transformsChangedImpl(Node node) {
nodeAccessor.doTransformsChanged(node);
}
protected void pickNodeLocalImpl(Node node, PickRay localPickRay,
PickResultChooser result) {
nodeAccessor.doPickNodeLocal(node, localPickRay, result);
}
protected boolean computeIntersectsImpl(Node node, PickRay pickRay,
PickResultChooser pickResult) {
return nodeAccessor.doComputeIntersects(node, pickRay, pickResult);
}
protected void geomChangedImpl(Node node) {
nodeAccessor.doGeomChanged(node);
}
protected void notifyLayoutBoundsChangedImpl(Node node) {
nodeAccessor.doNotifyLayoutBoundsChanged(node);
}
protected void processCSSImpl(Node node) {
nodeAccessor.doProcessCSS(node);
}
/*
* Methods used by Node (base) class only
*/
public static boolean isDirty(Node node, DirtyBits dirtyBit) {
return nodeAccessor.isDirty(node, dirtyBit);
}
public static boolean isDirtyEmpty(Node node) {
return nodeAccessor.isDirtyEmpty(node);
}
public static void syncPeer(Node node) {
nodeAccessor.syncPeer(node);
}
public static P getPeer(Node node) {
return nodeAccessor.getPeer(node);
}
public static BaseTransform getLeafTransform(Node node) {
return nodeAccessor.getLeafTransform(node);
}
public static void layoutBoundsChanged(Node node) {
nodeAccessor.layoutBoundsChanged(node);
}
public static void setShowMnemonics(Node node, boolean value) {
nodeAccessor.setShowMnemonics(node, value);
}
public static boolean isShowMnemonics(Node node) {
return nodeAccessor.isShowMnemonics(node);
}
public static BooleanProperty showMnemonicsProperty(Node node) {
return nodeAccessor.showMnemonicsProperty(node);
}
public static boolean traverse(Node node, Direction direction) {
return nodeAccessor.traverse(node, direction);
}
public static double getPivotX(Node node) {
return nodeAccessor.getPivotX(node);
}
public static double getPivotY(Node node) {
return nodeAccessor.getPivotY(node);
}
public static double getPivotZ(Node node) {
return nodeAccessor.getPivotZ(node);
}
public static void pickNode(Node node, PickRay pickRay,
PickResultChooser result) {
nodeAccessor.pickNode(node, pickRay, result);
}
public static boolean intersects(Node node, PickRay pickRay,
PickResultChooser pickResult) {
return nodeAccessor.intersects(node, pickRay, pickResult);
}
public static double intersectsBounds(Node node, PickRay pickRay) {
return nodeAccessor.intersectsBounds(node, pickRay);
}
public static void layoutNodeForPrinting(Node node) {
nodeAccessor.layoutNodeForPrinting(node);
}
public static boolean isDerivedDepthTest(Node node) {
return nodeAccessor.isDerivedDepthTest(node);
}
public static SubScene getSubScene(Node node) {
return nodeAccessor.getSubScene(node);
}
public static Accessible getAccessible(Node node) {
return nodeAccessor.getAccessible(node);
}
public static void reapplyCSS(Node node) {
nodeAccessor.reapplyCSS(node);
}
public static void recalculateRelativeSizeProperties(Node node, Font fontForRelativeSizes) {
nodeAccessor.recalculateRelativeSizeProperties(node, fontForRelativeSizes);
}
public static boolean isTreeVisible(Node node) {
return nodeAccessor.isTreeVisible(node);
}
public static BooleanExpression treeVisibleProperty(Node node) {
return nodeAccessor.treeVisibleProperty(node);
}
public static boolean isTreeShowing(Node node) {
return nodeAccessor.isTreeShowing(node);
}
public static List