1 /*
2 * Copyright (c) 2013, 2016, 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 hello;
27
28 import javafx.application.Application;
29 import javafx.concurrent.Worker;
30 import javafx.geometry.Insets;
31 import javafx.scene.Scene;
32 import javafx.scene.control.Button;
33 import javafx.scene.control.TextField;
34 import javafx.scene.effect.ColorAdjust;
35 import javafx.scene.image.Image;
36 import javafx.scene.image.ImageView;
37 import javafx.scene.layout.BorderPane;
38 import javafx.scene.layout.HBox;
39 import javafx.scene.layout.Priority;
40 import javafx.scene.shape.Circle;
41 import javafx.scene.text.Text;
42 import javafx.scene.web.WebEngine;
43 import javafx.scene.web.WebView;
44 import javafx.stage.Stage;
45
46 import java.util.List;
47
48 /**
49 * Simple WebView application.
50 */
51 public class HelloWebView extends Application {
52 private static final String DEFAULT_URL = "http://www.oracle.com/java/";
53 private static final double urlBoxMinDimension = 32.0;
54 private static final double rotateFactor = 180.0;
55 private static final ColorAdjust black = new ColorAdjust();
56
57 final ImageView backImage = new ImageView();
58 final ImageView forwardImage = new ImageView();
59 final ImageView reloadImage = new ImageView();
60
61 @Override
62 public void start(Stage stage) {
63 List<String> args = getParameters().getRaw();
64 final String initialURL = args.size() > 0 ? args.get(0) : DEFAULT_URL;
65
66 final WebView webView = new WebView();
67 final WebEngine webEngine = webView.getEngine();
68
69 final TextField urlBox = new TextField();
70 urlBox.setMinHeight(urlBoxMinDimension);
71 urlBox.setText(initialURL);
72 HBox.setHgrow(urlBox, Priority.ALWAYS);
73 urlBox.setOnAction(e -> webEngine.load(urlBox.getText()));
74
75 final Text bottomTitle = new Text();
76 bottomTitle.textProperty().bind(urlBox.textProperty());
77
78 final Button goStopButton = new Button("Go");
79 goStopButton.setPrefSize(1.5 * urlBoxMinDimension, urlBoxMinDimension);
80 goStopButton.setOnAction(e -> webEngine.load(urlBox.getText()));
81
82 final Button backButton = new Button();
83 backButton.setShape(new Circle(1));
84 backButton.setDisable(true);
85 backButton.setPadding(new Insets(7.5,8.5,8.5,7.5));
86 backButton.setOnAction(e -> webEngine.getHistory().go(-1));
87
88 final Button forwardButton = new Button();
89 forwardButton.setShape(new Circle(1));
90 forwardButton.setDisable(true);
91 forwardButton.setPadding(new Insets(8.5,7.5,7.5,8.5));
92 forwardButton.setOnAction(e -> webEngine.getHistory().go(+1));
93
94 final Button reloadButton = new Button();
95 reloadButton.setPadding(new Insets(8,8,8,8));
96 reloadButton.setOnAction(e -> webEngine.reload());
97
98 black.setBrightness(-1);
99
100 if (isJigsawMode()) {
101 try {
102 backImage.setImage(new Image("jrt:/javafx.web/com/sun/" +
103 "javafx/webkit/prism/resources/mediaPlayDisabled.png"));
104 backImage.setRotate(rotateFactor);
105 backImage.setEffect(black);
106 backButton.setGraphic(backImage);
107 } catch (NullPointerException e) {
108 backButton.setText("Back");
109 }
110
111 try {
112 forwardImage.setImage(new Image("jrt:/javafx.web/com/sun/" +
113 "javafx/webkit/prism/resources/mediaPlayDisabled.png"));
114 forwardImage.setEffect(black);
115 forwardButton.setGraphic(forwardImage);
116 } catch (NullPointerException e) {
117 forwardButton.setText("Forward");
118 }
119
120 try {
121 reloadImage.setImage(new Image("jrt:/javafx.web/javafx/scene/web/Redo_16x16_JFX.png"));
122 reloadImage.setEffect(black);
123 reloadButton.setGraphic(reloadImage);
124 } catch (NullPointerException e) {
125 reloadButton.setText("Reload");
126 }
127
128 }
129
130 else {
131 try {
132 backImage.setImage(new Image(WebEngine.class.getResourceAsStream("/com/sun/" +
133 "javafx/webkit/prism/resources/mediaPlayDisabled.png")));
134 backImage.setRotate(rotateFactor);
135 backImage.setEffect(black);
136 backButton.setGraphic(backImage);
137 } catch (NullPointerException e) {
138 backButton.setText("Back");
139 }
140
141 try {
142 forwardImage.setImage(new Image(WebEngine.class.getResourceAsStream("/com/sun/" +
143 "javafx/webkit/prism/resources/mediaPlayDisabled.png")));
144 forwardImage.setEffect(black);
145 forwardButton.setGraphic(forwardImage);
146 } catch (NullPointerException e) {
147 forwardButton.setText("Forward");
148 }
149
150 try {
151 reloadImage.setImage(new Image(WebEngine.class.getResourceAsStream("/com/sun/" +
152 "javafx/scene/web/skin/Redo_16x16_JFX.png")));
153 reloadImage.setEffect(black);
154 reloadButton.setGraphic(reloadImage);
155 } catch (NullPointerException e) {
156 reloadButton.setText("Reload");
157 }
158
159
160 }
161
162 final HBox naviBar = new HBox();
163 naviBar.getChildren().addAll(backButton, forwardButton, urlBox, reloadButton, goStopButton);
164 naviBar.setPadding(new Insets(2));
165
166 final BorderPane root = new BorderPane();
167 root.setTop(naviBar);
168 root.setCenter(webView);
169 root.setBottom(bottomTitle);
170
171 webEngine.locationProperty().addListener((observable, oldValue, newValue) -> urlBox.setText(newValue));
172
173 webEngine.getLoadWorker().stateProperty().addListener((observable, oldValue, newValue) -> {
174 if (newValue.equals(Worker.State.READY) || newValue.equals(Worker.State.SCHEDULED) || newValue.equals(Worker.State.RUNNING)) {
175 bottomTitle.setVisible(true);
176 goStopButton.setText("Stop");
177 goStopButton.setOnAction(e -> webEngine.getLoadWorker().cancel());
178 }
179
180 else {
181 bottomTitle.setVisible(false);
182 goStopButton.setText("Go");
183 goStopButton.setOnAction(e -> webEngine.load(urlBox.getText()));
184 }
185 });
186
187 webEngine.getHistory().currentIndexProperty().addListener((observable, oldValue, newValue) -> {
188 int length = webEngine.getHistory().getEntries().size();
189
190 backButton.setDisable((int)newValue == 0);
191 forwardButton.setDisable((int)newValue >= length - 1);
192 });
193
194 webEngine.load(initialURL);
195
196 Scene scene = new Scene(root);
197 stage.setScene(scene);
198
199 stage.setTitle("HelloWebView: java version " + System.getProperty("java.version"));
200 stage.show();
201 stage.widthProperty().addListener (w -> urlBox.setMaxWidth(stage.getWidth() - backButton.getWidth()
202 - forwardButton.getWidth() - reloadButton.getWidth() - goStopButton.getWidth()));
203 }
204
205 public boolean isJigsawMode() {
206 Class clazz = null;
207 try {
208 clazz = Class.forName("java.lang.reflect.Module", false, HelloWebView.class.getClassLoader());
209 } catch (Exception e) { }
210
211 return clazz != null;
212
213 }
214
215 public static void main(String[] args) {
216 Application.launch(args);
217 }
218 }