1 /*
2 * Copyright (c) 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. 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 package hello.dialog.dialogs;
26
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.List;
30
31 import javafx.scene.control.skin.AccordionSkin;
32 import com.sun.javafx.scene.control.skin.resources.ControlResources;
33 import hello.HelloAccordion;
34 import javafx.beans.binding.DoubleBinding;
35 import javafx.collections.ListChangeListener;
36 import javafx.event.ActionEvent;
37 import javafx.event.EventHandler;
38 import javafx.geometry.Insets;
39 import javafx.geometry.Pos;
40 import javafx.geometry.VPos;
41 import javafx.scene.Node;
42 import javafx.scene.control.Button;
43 import javafx.scene.control.ButtonBar.ButtonData;
44 import javafx.scene.control.ButtonType;
45 import javafx.scene.control.Dialog;
46 import javafx.scene.control.DialogPane;
47 import javafx.scene.control.Label;
48 import javafx.scene.image.Image;
49 import javafx.scene.image.ImageView;
50 import javafx.scene.layout.GridPane;
51 import javafx.scene.layout.Priority;
52
53 public class CommandLinksDialog extends Dialog<ButtonType> {
54
55 private final static int gapSize = 10;
56
57 private final List<Button> buttons = new ArrayList<>();
58
59 private GridPane grid = new GridPane() {
60 @Override protected double computePrefWidth(double height) {
61 double pw = 0;
62
63 for (int i = 0; i < buttons.size(); i++) {
64 Button btn = buttons.get(i);
65 pw = Math.min(pw, btn.prefWidth(-1));
66 }
67 return pw + gapSize;
68 }
69
70 @Override protected double computePrefHeight(double width) {
71 double ph = getDialogPane().getHeader() == null ? 0 : 10;
72
73 for (int i = 0; i < buttons.size(); i++) {
74 Button btn = buttons.get(i);
75 ph += btn.prefHeight(width) + gapSize;
76 }
77 return ph * 1.5;
78 }
79 };
80
81 public CommandLinksDialog(ButtonType... links) {
82 this(Arrays.asList(links));
83 }
84
85 public CommandLinksDialog(List<ButtonType> links) {
86 this.grid.setHgap(gapSize);
87 this.grid.setVgap(gapSize);
88
89 final DialogPane dialogPane = new DialogPane() {
90 @Override protected Node createButtonBar() {
91 return null;
92 }
93 };
94 setDialogPane(dialogPane);
95
96 dialogPane.getStylesheets().add(getClass().getResource("commandlink.css").toExternalForm());
97
98 setTitle(ControlResources.getString("Dialog.info.title"));
99
100 // FIXME extract to CSS
101 dialogPane.setGraphic(new ImageView(new Image(AccordionSkin.class.getResource("modena/dialog-information.png").toExternalForm())));
102 dialogPane.getButtonTypes().addAll(links);
103
104 dialogPane.contentProperty().addListener(o -> updateGrid());
105
106 updateGrid();
107 dialogPane.getButtonTypes().addListener((ListChangeListener<? super ButtonType>)c -> {
108 updateGrid();
109 });
110 }
111
112 private void updateGrid() {
113 final Node content = getDialogPane().getContent();
114 final boolean dialogContentIsGrid = grid == content;
115
116 if (! dialogContentIsGrid) {
117 if (content != null) {
118 content.getStyleClass().add("command-link-message");
119 grid.add(content, 0, 0);
120 }
121 }
122
123 grid.getChildren().removeAll(buttons);
124 int row = 1;
125 for (final ButtonType action : getDialogPane().getButtonTypes()) {
126 if (action == null) continue;
127
128 // if (! (action instanceof DialogButton)) {
129 // throw new IllegalArgumentException("All actions in CommandLinksDialog must be instances of DialogAction");
130 // }
131 //
132 // DialogButton commandLink = (DialogButton) action;
133
134 // //replace link's event handler with a proper one
135 // commandLink.setOnAction(new EventHandler<ActionEvent>() {
136 // @Override public void handle(ActionEvent ae) {
137 // setResult(commandLink);
138 // }
139 // });
140
141 final Button button = buildCommandLinkButton(action);
142 final ButtonData buttonType = action.getButtonData();
143 button.setDefaultButton(buttonType != null && buttonType.isDefaultButton());
144 // button.setOnAction(commandLink);
145
146 button.setOnAction(new EventHandler<ActionEvent>() {
147 @Override public void handle(ActionEvent ae) {
148 setResult(action);
149 }
150 });
151
152 GridPane.setHgrow(button, Priority.ALWAYS);
153 GridPane.setVgrow(button, Priority.ALWAYS);
154 grid.add(button, 0, row++);
155 buttons.add(button);
156 }
157
158 // last button gets some extra padding (hacky)
159 GridPane.setMargin(buttons.get(buttons.size() - 1), new Insets(0,0,10,0));
160
161 if (! dialogContentIsGrid) {
162 getDialogPane().setContent(grid);
163 }
164 }
165
166 private Button buildCommandLinkButton(ButtonType commandLink) {
167 // put the content inside a button
168 final Button button = new Button();
169 button.getStyleClass().addAll("command-link-button");
170 button.setMaxHeight(Double.MAX_VALUE);
171 button.setMaxWidth(Double.MAX_VALUE);
172 button.setAlignment(Pos.CENTER_LEFT);
173
174 final Label titleLabel = new Label(commandLink.getText() );
175 titleLabel.minWidthProperty().bind(new DoubleBinding() {
176 {
177 bind(titleLabel.prefWidthProperty());
178 }
179
180 @Override protected double computeValue() {
181 return titleLabel.getPrefWidth() + 400;
182 }
183 });
184 titleLabel.getStyleClass().addAll("line-1");
185 titleLabel.setWrapText(true);
186 titleLabel.setAlignment(Pos.TOP_LEFT);
187 GridPane.setVgrow(titleLabel, Priority.NEVER);
188
189 // TODO no support in DialogButton for long text or graphic
190 // Label messageLabel = new Label(commandLink.getLongText() );
191 // messageLabel.getStyleClass().addAll("line-2");
192 // messageLabel.setWrapText(true);
193 // messageLabel.setAlignment(Pos.TOP_LEFT);
194 // messageLabel.setMaxHeight(Double.MAX_VALUE);
195 // GridPane.setVgrow(messageLabel, Priority.SOMETIMES);
196 //
197 // Image commandLinkImage = commandLink.getGraphic();
198 // Node view = commandLinkImage == null ?
199 // new ImageView(getClass().getResource("arrow-green-right.png").toExternalForm()) :
200 // new ImageView(commandLinkImage);
201 // Pane graphicContainer = new Pane(view);
202 // graphicContainer.getStyleClass().add("graphic-container");
203 ImageView arrow = new ImageView(HelloAccordion.class.getResource("about_16.png").toExternalForm());
204 GridPane.setValignment(arrow, VPos.TOP);
205 GridPane.setMargin(arrow, new Insets(0,10,0,0));
206
207 GridPane grid = new GridPane();
208 grid.minWidthProperty().bind(titleLabel.prefWidthProperty());
209 grid.setMaxHeight(Double.MAX_VALUE);
210 grid.setMaxWidth(Double.MAX_VALUE);
211 grid.getStyleClass().add("container");
212 grid.add(arrow, 0, 0, 1, 2);
213 grid.add(titleLabel, 1, 0);
214 // grid.add(messageLabel, 1, 1);
215
216 button.setGraphic(grid);
217 button.minWidthProperty().bind(titleLabel.prefWidthProperty());
218
219 return button;
220 }
221 }