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;
27
28 import com.sun.javafx.sg.prism.NGNode;
29 import com.sun.javafx.util.Utils;
30 import javafx.scene.Group;
31 import javafx.scene.Node;
32
33 /**
34 * Used to access internal methods of Group.
35 */
36 public class GroupHelper extends ParentHelper {
37
38 private static final GroupHelper theInstance;
39 private static GroupAccessor groupAccessor;
40
41 static {
42 theInstance = new GroupHelper();
43 Utils.forceInit(Group.class);
44 }
45
46 private static GroupHelper getInstance() {
47 return theInstance;
48 }
49
50 public static void initHelper(Group group) {
51 setHelper(group, getInstance());
52 }
53
54 @Override
55 protected NGNode createPeerImpl(Node node) {
56 return super.createPeerImpl(node);
57 }
58
59 public static void setGroupAccessor(final GroupAccessor newAccessor) {
60 if (groupAccessor != null) {
61 throw new IllegalStateException();
62 }
63
64 groupAccessor = newAccessor;
65 }
66
67 public interface GroupAccessor {
68 }
69
70 }
|
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;
27
28 import com.sun.javafx.sg.prism.NGNode;
29 import com.sun.javafx.util.Utils;
30 import javafx.geometry.Bounds;
31 import javafx.scene.Group;
32 import javafx.scene.Node;
33
34 /**
35 * Used to access internal methods of Group.
36 */
37 public class GroupHelper extends ParentHelper {
38
39 private static final GroupHelper theInstance;
40 private static GroupAccessor groupAccessor;
41
42 static {
43 theInstance = new GroupHelper();
44 Utils.forceInit(Group.class);
45 }
46
47 private static GroupHelper getInstance() {
48 return theInstance;
49 }
50
51 public static void initHelper(Group group) {
52 setHelper(group, getInstance());
53 }
54
55 @Override
56 protected NGNode createPeerImpl(Node node) {
57 return super.createPeerImpl(node);
58 }
59
60 @Override
61 protected Bounds computeLayoutBoundsImpl(Node node) {
62 groupAccessor.doComputeLayoutBounds(node);
63 return super.computeLayoutBoundsImpl(node);
64 }
65
66 public static void setGroupAccessor(final GroupAccessor newAccessor) {
67 if (groupAccessor != null) {
68 throw new IllegalStateException();
69 }
70
71 groupAccessor = newAccessor;
72 }
73
74 public interface GroupAccessor {
75 Bounds doComputeLayoutBounds(Node node);
76 }
77
78 }
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