1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
3 * All rights reserved. Use is subject to license terms.
4 *
5 * This file is available and licensed under the following license:
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the distribution.
16 * - Neither the name of Oracle Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 package com.oracle.javafx.scenebuilder.kit.editor.panel.content.driver.handles;
33
34 import java.util.List;
35
36 import javafx.geometry.Point2D;
37 import javafx.scene.Cursor;
38 import javafx.scene.Node;
39 import javafx.scene.shape.Circle;
40 import javafx.scene.shape.Line;
41
42 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.ContentPanelController;
43 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.gesture.AbstractGesture;
44 import com.oracle.javafx.scenebuilder.kit.editor.panel.content.gesture.mouse.EditCurveGesture;
45 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMInstance;
46
47 /**
48 *
49 *
50 */
51 public class LineHandles extends AbstractCurveHandles<Line> {
52
53 private final Circle startHandle = new Circle(SELECTION_HANDLES_SIZE / 2.0);
54 private final Circle endHandle = new Circle(SELECTION_HANDLES_SIZE / 2.0);
55
56
57 public LineHandles(ContentPanelController contentPanelController,
58 FXOMInstance fxomInstance) {
59 super(contentPanelController, fxomInstance, Line.class);
60
61 setupHandleState(startHandle);
62 setupHandleState(endHandle);
63
64 setupHandles(startHandle);
65 setupHandles(endHandle);
66
67 final List<Node> rootNodeChildren = getRootNode().getChildren();
68 rootNodeChildren.add(startHandle);
69 rootNodeChildren.add(endHandle);
70 }
71
72 public FXOMInstance getFxomInstance() {
73 return (FXOMInstance) getFxomObject();
74 }
75
76 /*
77 * AbstractCurveHandles
78 */
79 @Override
80 protected void layoutDecoration() {
81 final Line l = getSceneGraphObject();
82
83 final boolean snapToPixel = true;
84 final Point2D s = sceneGraphObjectToDecoration(l.getStartX(), l.getStartY(), snapToPixel);
85 final Point2D e = sceneGraphObjectToDecoration(l.getEndX(), l.getEndY(), snapToPixel);
86
87 startHandle.setCenterX(s.getX());
88 startHandle.setCenterY(s.getY());
89 endHandle.setCenterX(e.getX());
90 endHandle.setCenterY(e.getY());
91 }
92
93 @Override
94 protected void startListeningToSceneGraphObject() {
95 super.startListeningToSceneGraphObject();
96
97 final Line l = getSceneGraphObject();
98 l.startXProperty().addListener(coordinateListener);
99 l.startYProperty().addListener(coordinateListener);
100 l.endXProperty().addListener(coordinateListener);
101 l.endYProperty().addListener(coordinateListener);
102 }
103
104 @Override
105 protected void stopListeningToSceneGraphObject() {
106 super.stopListeningToSceneGraphObject();
107
108 final Line l = getSceneGraphObject();
109 l.startXProperty().removeListener(coordinateListener);
110 l.startYProperty().removeListener(coordinateListener);
111 l.endXProperty().removeListener(coordinateListener);
112 l.endYProperty().removeListener(coordinateListener);
113 }
114
115 @Override
116 public AbstractGesture findGesture(Node node) {
117 final AbstractGesture result;
118
119 if (node == startHandle) {
120 result = new EditCurveGesture(getContentPanelController(),
121 EditCurveGesture.Tunable.START);
122 } else if (node == endHandle) {
123 result = new EditCurveGesture(getContentPanelController(),
124 EditCurveGesture.Tunable.END);
125 } else {
126 result = null;
127 }
128
129 return result;
130 }
131
132 @Override
133 public void enabledDidChange() {
134 setupHandleState(startHandle);
135 setupHandleState(endHandle);
136 }
137
138 /*
139 * Private
140 */
141
142 private void setupHandleState(Circle handleCircle) {
143
144 final String styleClass = isEnabled() ? SELECTION_HANDLES : SELECTION_HANDLES_DIM;
145 final Cursor cursor = isEnabled() ? Cursor.CROSSHAIR : Cursor.DEFAULT;
146
147 handleCircle.getStyleClass().add(styleClass);
148 handleCircle.setCursor(cursor);
149 }
150
151
152 /*
153 * Wraper to avoid the 'leaking this in constructor' warning emitted by NB.
154 */
155 private void setupHandles(Node node) {
156 attachHandles(node, this);
157 }
158 }