1 /*
2 * Copyright (c) 2011, 2013, 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.control.skin;
27
28 import static org.junit.Assert.assertEquals;
29 import javafx.geometry.Bounds;
30 import javafx.geometry.HPos;
31 import javafx.geometry.Insets;
32 import javafx.geometry.Orientation;
33 import javafx.geometry.VPos;
34 import javafx.scene.control.Separator;
35 import javafx.scene.control.SkinBaseAccessor;
36 import javafx.scene.layout.Region;
37
38 import org.junit.Before;
39 import org.junit.Test;
40
41 /**
42 */
43 public class SeparatorSkinLayoutTest {
44 private Separator separator;
45 private SeparatorSkin skin;
46 private Region line;
47
48 @Before public void setup() {
49 separator = new Separator();
50 skin = new SeparatorSkin(separator);
51 // Set some padding so that any places where padding was being
52 // computed but wasn't expected will be caught.
53 separator.setPadding(new Insets(10, 8, 6, 4));
54 separator.setSkin(skin);
55 // It so happens that SeparatorSkin has exactly one child: line
56 line = (Region) SkinBaseAccessor.getChildren(skin).get(0);
57 line.setPadding((new Insets(4, 3, 2, 1)));
58 separator.resize(100, 100);
59 separator.layout();
60 }
61
62 private void assertLineWidthMatchesSkinWidth() {
63 Bounds lineBounds = line.getBoundsInParent();
64 assertEquals(separator.getWidth() - separator.getInsets().getRight(), lineBounds.getMaxX(), .1);
65 assertEquals(separator.getInsets().getLeft(), lineBounds.getMinX(), .1);
66 }
67
68 private void assertLineHeightMatchesSkinHeight() {
69 Bounds lineBounds = line.getBoundsInParent();
70 assertEquals(separator.getInsets().getTop(), lineBounds.getMinY(), .1);
71 assertEquals(separator.getHeight() - separator.getInsets().getBottom(), lineBounds.getMaxY(), .1);
72 }
73
74 // ----------------------- Horizontal Tests
75
76 /**
77 * The line should be as wide as the skin, and as tall as its prefHeight,
78 * and be positioned within the padding of the skin
79 */
80 @Test public void separatorWith_TOP_PositionsLineAtTopOfArea() {
81 separator.setValignment(VPos.TOP);
82 separator.layout();
83 Bounds lineBounds = line.getBoundsInParent();
84 assertEquals(separator.getInsets().getTop(), lineBounds.getMinY(), .1);
85 assertEquals(line.prefHeight(-1), lineBounds.getHeight(), .1);
86 assertLineWidthMatchesSkinWidth();
87 }
88
89 /**
90 * The line should be as wide as the skin, and as tall as its prefHeight,
91 * and be positioned centered vertically within the padding of the skin
92 */
93 @Test public void separatorWith_CENTER_PositionsLineAtCenterOfArea() {
94 separator.setValignment(VPos.CENTER);
95 separator.layout();
96 Bounds lineBounds = line.getBoundsInParent();
97 final double ch = separator.getHeight() - (separator.getInsets().getTop() + separator.getInsets().getBottom());
98 final double centerLine = separator.getInsets().getTop() + (ch / 2.0);
99 assertEquals(centerLine - (lineBounds.getHeight() / 2.0), lineBounds.getMinY(), .1);
100 assertEquals(line.prefHeight(-1), lineBounds.getHeight(), .1);
101 assertLineWidthMatchesSkinWidth();
102 }
103
104 /**
105 * The line should be as wide as the skin, and as tall as its prefHeight,
106 * and be positioned within the bottom padding of the skin
107 */
108 @Test public void separatorWith_BOTTOM_PositionsLineAtBottomOfArea() {
109 separator.setValignment(VPos.BOTTOM);
110 separator.layout();
111 Bounds lineBounds = line.getBoundsInParent();
112 final double y = separator.getHeight() - (separator.getInsets().getBottom() + line.prefHeight(-1));
113 assertEquals(y, lineBounds.getMinY(), .1);
114 assertEquals(line.prefHeight(-1), lineBounds.getHeight(), .1);
115 assertLineWidthMatchesSkinWidth();
116 }
117
118 // ----------------------- Vertical Tests
119
120 /**
121 * The line should be as tall as the skin, and as wide as its prefWidth,
122 * and be positioned within the left padding of the skin
123 */
124 @Test public void separatorWith_LEFT_PositionsLineAtLeftOfArea_vertical() {
125 separator.setHalignment(HPos.LEFT);
126 separator.setOrientation(Orientation.VERTICAL);
127 separator.layout();
128 Bounds lineBounds = line.getBoundsInParent();
129 assertEquals(separator.getInsets().getLeft(), lineBounds.getMinX(), .1);
130 assertEquals(line.prefWidth(-1), lineBounds.getWidth(), .1);
131 assertLineHeightMatchesSkinHeight();
132 }
133
134 /**
135 * The line should be as tall as the skin, and as wide as its prefWidth,
136 * and be positioned centered within the padding of the skin
137 */
138 @Test public void separatorWith_CENTER_PositionsLineAtCenterOfArea_vertical() {
139 separator.setHalignment(HPos.CENTER);
140 separator.setOrientation(Orientation.VERTICAL);
141 separator.layout();
142 Bounds lineBounds = line.getBoundsInParent();
143 final double cw = separator.getWidth() - (separator.getInsets().getLeft() + separator.getInsets().getRight());
144 final double centerLine = separator.getInsets().getLeft() + (cw / 2.0);
145 assertEquals(centerLine - (lineBounds.getWidth() / 2.0), lineBounds.getMinX(), .1);
146 assertEquals(line.prefWidth(-1), lineBounds.getWidth(), .1);
147 assertLineHeightMatchesSkinHeight();
148 }
149
150 /**
151 * The line should be as tall as the skin, and as wide as its prefWidth,
152 * and be positioned within the right padding of the skin
153 */
154 @Test public void separatorWith_RIGHT_PositionsLineAtRightOfArea_vertical() {
155 separator.setHalignment(HPos.RIGHT);
156 separator.setOrientation(Orientation.VERTICAL);
157 separator.layout();
158 Bounds lineBounds = line.getBoundsInParent();
159 final double x = separator.getWidth() - (separator.getInsets().getRight() + line.prefWidth(-1));
160 assertEquals(x, lineBounds.getMinX(), .1);
161 assertEquals(line.prefWidth(-1), lineBounds.getWidth(), .1);
162 assertLineHeightMatchesSkinHeight();
163 }
164
165 }