1 /*
2 * Copyright (c) 2006, 2014, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.awt.*;
25 import java.awt.event.*;
26
27 /*
28 * @test
29 * @summary Have different components having different preferred sizes
30 * added to a grid layout. Change the rows and columns of the
31 * grid layout and check the components are re-laid out.
32 * The strategy followed is to calculate the component location
33 * depending on the preferred sizes and gaps and click the cornors
34 * of the components to check if events are triggered
35 * @library ../../../../lib/testlibrary/
36 * @build ExtendedRobot
37 * @run main ChangeGridSize
38 * @run main ChangeGridSize -hg 20 -vg 20
39 */
40
41 public class ChangeGridSize {
42
43 private int width = 200;
44 private int height = 200;
45 private final int hGap, vGap;
46 private final int rows = 3;
47 private final int columns = 2;
48 private final int componentCount = 6;
49
50 private Button[] buttons;
51 private Frame frame;
52
53 private ExtendedRobot robot;
54 private GridLayout layout;
55
56 private volatile boolean actionPerformed = false;
57
58 public ChangeGridSize(int hGap, int vGap) throws Exception {
59 this.hGap = hGap;
60 this.vGap = vGap;
61 robot = new ExtendedRobot();
62 EventQueue.invokeAndWait( () -> {
63 frame = new Frame("Test frame");
64 frame.setSize(width, height);
65 layout = new GridLayout(rows + 3, columns - 1, hGap, vGap);
66 frame.setLayout(layout);
67
68 buttons = new Button[componentCount];
69 for (int i = 0; i < componentCount; i++) {
70 buttons[i] = new Button("Button" + i);
71 frame.add(buttons[i]);
72 buttons[i].addActionListener( (event) -> { actionPerformed = true; });
73 }
74 frame.setVisible(true);
75 });
76 }
77
78 public static void main(String[] args) throws Exception {
79 int hGap = 0;
80 int vGap = 0;
81 for (int i = 0; i < args.length; i++) {
82 switch (args[i]) {
83 case "-hg":
84 hGap = Integer.parseInt(args[++i]);
85 break;
86 case "-vg":
87 vGap = Integer.parseInt(args[++i]);
88 break;
89 }
90 }
91 new ChangeGridSize(hGap, vGap).doTest();
92 }
93
94 private void resizeFrame() throws Exception {
95 EventQueue.invokeAndWait(() -> {
96 Insets insets = frame.getInsets();
97 double dH = (height-insets.top-insets.bottom - vGap*(rows-1)) % rows;
98 double dW = (width-insets.left-insets.right - hGap*(columns-1)) % columns;
99 height -= dH;
100 width -= dW;
101 frame.setSize(width, height);
102 frame.revalidate();
103 });
104 robot.waitForIdle();
105 }
106
107 private void changeGridSize() throws Exception {
108 EventQueue.invokeAndWait(() -> {
109 layout.setRows(rows);
110 layout.setColumns(columns);
111
112 frame.revalidate();
113 });
114 robot.waitForIdle();
115 }
116
117 public void testBoundaries(int topLeftX, int topLeftY, int bottomRightX, int bottomRightY) throws Exception {
118
119 actionPerformed = false;
120 robot.mouseMove(topLeftX, topLeftY);
121 robot.delay(500);
122 robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
123 robot.delay(500);
124 robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
125 robot.waitForIdle(3000);
126
127 if(!actionPerformed)
128 throw new RuntimeException("Clicking on the left top of button did not trigger action event");
129
130 actionPerformed = false;
131 robot.mouseMove(bottomRightX, bottomRightY);
132 robot.delay(500);
133 robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
134 robot.delay(500);
135 robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
136 robot.waitForIdle(3000);
137
138 if(!actionPerformed)
139 throw new RuntimeException("Clicking on the bottom right of button did not trigger action event");
140 }
141
142 private void doTest() throws Exception {
143 robot.waitForIdle();
144 changeGridSize();
145 resizeFrame();
146
147 int availableWidth = width - frame.getInsets().left -
148 frame.getInsets().right;
149 int componentWidth = (availableWidth + hGap) / columns - hGap;
150 int availableHeight = height - frame.getInsets().top -
151 frame.getInsets().bottom;
152 int componentHeight = (availableHeight + vGap) / rows - vGap;
153
154 for (int i = 0; i < buttons.length; i++) {
155 if (buttons[i].getSize().width != componentWidth ||
156 buttons[i].getSize().height != componentHeight) {
157 throw new RuntimeException(
158 "FAIL: Button " + i + " not of proper size" +
159 "Expected: " + componentWidth + "*" + componentHeight +
160 "Actual: " + buttons[i].getSize().width + "*" + buttons[i].getSize().height);
161 }
162 }
163
164 // Components are visible. They should trigger events.
165 // Now you can check for the actual size shown.
166 int currentRow = 1;
167 int currentColumn = 0;
168 for (int i = 0; i < buttons.length; i++) {
169 currentColumn++;
170 if (currentColumn > columns) {
171 currentColumn = 1;
172 currentRow++;
173 }
174
175 int topPosX = frame.getLocationOnScreen().x +
176 frame.getInsets().left +
177 (currentColumn - 1) * (componentWidth + hGap);
178 int topPosY = frame.getLocationOnScreen().y +
179 frame.getInsets().top +
180 (currentRow - 1) * (componentHeight + vGap);
181
182 int bottomPosX = topPosX + componentWidth - 1;
183 int bottomPosY = topPosY + componentHeight - 1;
184 testBoundaries(topPosX, topPosY, bottomPosX, bottomPosY);
185 }
186
187 frame.dispose();
188 }
189 }