1 /*
2 * Copyright (c) 2018, 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 test.javafx.stage;
27
28 import java.io.FileNotFoundException;
29 import java.io.PrintWriter;
30 import java.io.StringWriter;
31 import java.util.TimerTask;
32 import java.util.Timer;
33 import java.util.concurrent.CountDownLatch;
34 import java.util.concurrent.TimeUnit;
35
36 import javafx.application.Application;
37 import javafx.application.Platform;
38 import javafx.beans.value.ChangeListener;
39 import javafx.beans.value.ObservableValue;
40 import javafx.scene.control.Alert;
41 import javafx.scene.control.Label;
42 import javafx.scene.control.TextArea;
43 import javafx.scene.layout.GridPane;
44 import javafx.scene.layout.Priority;
45 import javafx.stage.Stage;
46
47 import org.junit.BeforeClass;
48 import org.junit.Test;
49
50 import static junit.framework.Assert.assertTrue;
51 import static org.junit.Assert.fail;
52
53 public class MakeResizableAndResizeTest {
54 static CountDownLatch startupLatch;
55 static Timer timer;
56 static Runnable runNext;
57 static volatile Alert alert;
58
59 public static void main(String[] args) {
60 initFX();
61 new MakeResizableAndResizeTest().testSize();
62 }
63
64 @BeforeClass
65 public static void initFX() {
66 startupLatch = new CountDownLatch(1);
67 new Thread(() -> Application.launch(TestApp.class, (String[])null)).start();
68 try {
69 if (!startupLatch.await(15, TimeUnit.SECONDS)) {
70 fail("Timeout waiting for FX runtime to start");
71 }
72 } catch (InterruptedException ex) {
73 fail("Unexpected exception: " + ex);
74 }
75 }
76
77 @Test
78 public void testSize() {
79 assertTrue("Wrong window width", alert.getWidth() >= alert.getDialogPane().getWidth());
80 assertTrue("Wrong window height", alert.getHeight() >= alert.getDialogPane().getHeight());
81 }
82
83 public static class TestApp extends Application implements ChangeListener {
84
85
86 @Override
87 public void start(Stage stage) throws Exception {
88 Alert alert = new Alert(Alert.AlertType.ERROR);
89 alert.setTitle("Exception Dialog");
90 alert.setHeaderText("ERROR");
91 alert.setContentText("Exception: ...");
92
93 Exception ex = new FileNotFoundException("Could not find file ...");
94
95 // Create expandable Exception.
96 StringWriter sw = new StringWriter();
97 PrintWriter pw = new PrintWriter(sw);
98 ex.printStackTrace(pw);
99 String exceptionText = sw.toString();
100
101 Label label = new Label("The exception stacktrace was:");
102
103 TextArea textArea = new TextArea(exceptionText);
104 textArea.setEditable(false);
105 textArea.setWrapText(true);
106
107 textArea.setMaxWidth(Double.MAX_VALUE);
108 textArea.setMaxHeight(Double.MAX_VALUE);
109 GridPane.setVgrow(textArea, Priority.ALWAYS);
110 GridPane.setHgrow(textArea, Priority.ALWAYS);
111
112 GridPane expContent = new GridPane();
113 expContent.setMaxWidth(Double.MAX_VALUE);
114 expContent.add(label, 0, 0);
115 expContent.add(textArea, 0, 1);
116
117 // Set expandable Exception into the dialog pane.
118 alert.getDialogPane().setExpandableContent(expContent);
119 alert.xProperty().addListener(this);
120 alert.yProperty().addListener(this);
121 alert.widthProperty().addListener(this);
122 alert.heightProperty().addListener(this);
123
124 MakeResizableAndResizeTest.alert = alert;
125 runNext = () -> {
126 System.out.println("Alert window created.");
127 runNext = () -> {};
128 Platform.runLater(this::resize);
129 };
130 alert.showAndWait();
131 }
132
133 @Override
134 public void changed(ObservableValue observable, Object oldValue, Object newValue) {
135 if (timer != null) {
136 timer.cancel();
137 }
138 timer = new Timer();
139 timer.schedule(new TimerTask() {
140 @Override
141 public void run() {
142 runNext.run();
143 }
144 }, 1500);
145 }
146
147 void resize() {
148 alert.getDialogPane().setExpanded(true);
149 System.out.println("Details expanded.");
150 runNext = startupLatch::countDown;
151 }
152 }
153
154 }
155