├── LICENSE ├── README.md ├── pom.xml └── src └── main └── java └── com ├── emaraic └── ObjectRecognition │ └── Recognizer.java └── esotericsoftware ├── TableLayout.gwt.xml └── tablelayout ├── BaseTableLayout.java ├── Cell.java ├── Toolkit.java ├── Value.java └── swing ├── Stack.java ├── SwingToolkit.java ├── Table.java └── TableLayout.java /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "{}" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Object Recognition using TensorFlow and Java 2 | 3 | This small demo was written in Java to recognize objects in images and classify it into 1000 classes like Lion, Frog, Flowers, ....etc using Inception V3 model. 4 | 5 | The pre-trained Inception V3 model can be downloaded from here https://storage.googleapis.com/download.tensorflow.org/models/inception_dec_2015.zip 6 | 7 | For more details read this article: http://emaraic.com/blog/object-recognition-using-TensorFlow-Java 8 | 9 | Compiling and running code using Netbeans (Video) : https://www.youtube.com/watch?v=hFzAA0xHbZA 10 | 11 | **Screenshots** 12 | 13 | ![](http://emaraic.com/assets/img/posts/machine-learning/example-1.png) 14 | 15 | ![](http://emaraic.com/assets/img/posts/machine-learning/example-3.png) 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | **Thanks to** 24 | - EsotericSoftware to for their TableLayout Library https://github.com/EsotericSoftware/tablelayout 25 | 26 | - TensorFlow for their example which I built my demo on it. 27 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4.0.0 4 | com.emaraic 5 | ObjectRecognition 6 | 1.0-SNAPSHOT 7 | jar 8 | 9 | UTF-8 10 | 1.8 11 | 1.8 12 | 13 | 14 | 15 | org.tensorflow 16 | tensorflow 17 | 1.1.0-rc2 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | org.apache.maven.plugins 27 | maven-jar-plugin 28 | 2.4 29 | 30 | 31 | 32 | true 33 | lib/ 34 | com.emaraic.ObjectRecognition.Recognizer 35 | 36 | 37 | 38 | 39 | 40 | maven-dependency-plugin 41 | 42 | 43 | install 44 | 45 | copy-dependencies 46 | 47 | 48 | ${project.build.directory}/lib 49 | 50 | 51 | 52 | 53 | 54 | 55 | -------------------------------------------------------------------------------- /src/main/java/com/emaraic/ObjectRecognition/Recognizer.java: -------------------------------------------------------------------------------- 1 | package com.emaraic.ObjectRecognition; 2 | 3 | import com.esotericsoftware.tablelayout.swing.Table; 4 | import java.awt.Image; 5 | import java.awt.event.ActionEvent; 6 | import java.awt.event.ActionListener; 7 | import java.io.File; 8 | import java.io.IOException; 9 | import java.nio.charset.Charset; 10 | import java.nio.file.Files; 11 | import java.nio.file.Path; 12 | import java.nio.file.Paths; 13 | import java.util.Arrays; 14 | import java.util.List; 15 | import java.util.logging.Level; 16 | import java.util.logging.Logger; 17 | import javax.imageio.ImageIO; 18 | import javax.swing.ImageIcon; 19 | import javax.swing.JButton; 20 | import javax.swing.JFileChooser; 21 | import javax.swing.JFrame; 22 | import javax.swing.JLabel; 23 | import javax.swing.JTextField; 24 | import javax.swing.SwingUtilities; 25 | import javax.swing.filechooser.FileNameExtensionFilter; 26 | import org.tensorflow.DataType; 27 | import org.tensorflow.Graph; 28 | import org.tensorflow.Output; 29 | import org.tensorflow.Session; 30 | import org.tensorflow.Tensor; 31 | 32 | /** 33 | * 34 | * @author Taha Emara 35 | * Website: http://www.emaraic.com 36 | * Email : taha@emaraic.com 37 | * Created on: Apr 29, 2017 38 | * Kindly: Don't remove this header 39 | * Download the pre-trained inception model from here: https://storage.googleapis.com/download.tensorflow.org/models/inception_dec_2015.zip 40 | */ 41 | public class Recognizer extends JFrame implements ActionListener { 42 | 43 | 44 | private Table table; 45 | private JButton predict; 46 | private JButton incep; 47 | private JButton img; 48 | private JFileChooser incepch; 49 | private JFileChooser imgch; 50 | private JLabel viewer; 51 | private JTextField result; 52 | private JTextField imgpth; 53 | private JTextField modelpth; 54 | private FileNameExtensionFilter imgfilter = new FileNameExtensionFilter( 55 | "JPG & JPEG Images", "jpg", "jpeg"); 56 | private String modelpath; 57 | private String imagepath; 58 | private boolean modelselected = false; 59 | private byte[] graphDef; 60 | private List labels; 61 | 62 | public Recognizer() { 63 | setTitle("Object Recognition - Emaraic.com"); 64 | setSize(500, 500); 65 | table = new Table(); 66 | 67 | predict = new JButton("Predict"); 68 | predict.setEnabled(false); 69 | incep = new JButton("Choose Inception"); 70 | img = new JButton("Choose Image"); 71 | incep.addActionListener(this); 72 | img.addActionListener(this); 73 | predict.addActionListener(this); 74 | 75 | incepch = new JFileChooser(); 76 | imgch = new JFileChooser(); 77 | imgch.setFileFilter(imgfilter); 78 | imgch.setFileSelectionMode(JFileChooser.FILES_ONLY); 79 | incepch.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); 80 | 81 | result=new JTextField(); 82 | modelpth=new JTextField(); 83 | imgpth=new JTextField(); 84 | modelpth.setEditable(false); 85 | imgpth.setEditable(false); 86 | viewer = new JLabel(); 87 | getContentPane().add(table); 88 | table.addCell(modelpth).width(250); 89 | table.addCell(incep); 90 | table.row(); 91 | table.addCell(imgpth).width(250); 92 | table.addCell(img); 93 | 94 | table.row(); 95 | table.addCell(viewer).size(200, 200).colspan(2); 96 | table.row(); 97 | table.addCell(predict).colspan(2); 98 | table.row(); 99 | table.addCell(result).width(300).colspan(2); 100 | table.row(); 101 | table.addCell(new JLabel("By: Taha Emara")).center().padTop(30).colspan(2); 102 | table.row(); 103 | table.addCell(new JLabel("Email: taha@emaraic.com")).center().colspan(2); 104 | 105 | setLocationRelativeTo(null); 106 | 107 | setResizable(false); 108 | setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 109 | } 110 | 111 | @Override 112 | public void actionPerformed(ActionEvent e) { 113 | 114 | if (e.getSource() == incep) { 115 | int returnVal = incepch.showOpenDialog(this); 116 | 117 | if (returnVal == JFileChooser.APPROVE_OPTION) { 118 | File file = incepch.getSelectedFile(); 119 | modelpath = file.getAbsolutePath(); 120 | modelpth.setText(modelpath); 121 | System.out.println("Opening: " + file.getAbsolutePath()); 122 | modelselected = true; 123 | graphDef = readAllBytesOrExit(Paths.get(modelpath, "tensorflow_inception_graph.pb")); 124 | labels = readAllLinesOrExit(Paths.get(modelpath, "imagenet_comp_graph_label_strings.txt")); 125 | } else { 126 | System.out.println("Process was cancelled by user."); 127 | } 128 | 129 | } else if (e.getSource() == img) { 130 | int returnVal = imgch.showOpenDialog(Recognizer.this); 131 | if (returnVal == JFileChooser.APPROVE_OPTION) { 132 | try { 133 | File file = imgch.getSelectedFile(); 134 | imagepath = file.getAbsolutePath(); 135 | imgpth.setText(imagepath); 136 | System.out.println("Image Path: " + imagepath); 137 | Image img = ImageIO.read(file); 138 | 139 | viewer.setIcon(new ImageIcon(img.getScaledInstance(200, 200, 200))); 140 | if (modelselected) { 141 | predict.setEnabled(true); 142 | } 143 | } catch (IOException ex) { 144 | Logger.getLogger(Recognizer.class.getName()).log(Level.SEVERE, null, ex); 145 | } 146 | } else { 147 | System.out.println("Process was cancelled by user."); 148 | } 149 | } else if (e.getSource() == predict) { 150 | byte[] imageBytes = readAllBytesOrExit(Paths.get(imagepath)); 151 | 152 | try (Tensor image = Tensor.create(imageBytes)) { 153 | float[] labelProbabilities = executeInceptionGraph(graphDef, image); 154 | int bestLabelIdx = maxIndex(labelProbabilities); 155 | result.setText(""); 156 | result.setText(String.format( 157 | "BEST MATCH: %s (%.2f%% likely)", 158 | labels.get(bestLabelIdx), labelProbabilities[bestLabelIdx] * 100f)); 159 | System.out.println( 160 | String.format( 161 | "BEST MATCH: %s (%.2f%% likely)", 162 | labels.get(bestLabelIdx), labelProbabilities[bestLabelIdx] * 100f)); 163 | } 164 | 165 | } 166 | } 167 | 168 | /// 169 | private static float[] executeInceptionGraph(byte[] graphDef, Tensor image) { 170 | try (Graph g = new Graph()) { 171 | g.importGraphDef(graphDef); 172 | try (Session s = new Session(g); 173 | Tensor result = s.runner().feed("DecodeJpeg/contents", image).fetch("softmax").run().get(0)) { 174 | final long[] rshape = result.shape(); 175 | if (result.numDimensions() != 2 || rshape[0] != 1) { 176 | throw new RuntimeException( 177 | String.format( 178 | "Expected model to produce a [1 N] shaped tensor where N is the number of labels, instead it produced one with shape %s", 179 | Arrays.toString(rshape))); 180 | } 181 | int nlabels = (int) rshape[1]; 182 | return result.copyTo(new float[1][nlabels])[0]; 183 | } 184 | } 185 | } 186 | 187 | private static int maxIndex(float[] probabilities) { 188 | int best = 0; 189 | for (int i = 1; i < probabilities.length; ++i) { 190 | if (probabilities[i] > probabilities[best]) { 191 | best = i; 192 | } 193 | } 194 | return best; 195 | } 196 | 197 | private static byte[] readAllBytesOrExit(Path path) { 198 | try { 199 | return Files.readAllBytes(path); 200 | } catch (IOException e) { 201 | System.err.println("Failed to read [" + path + "]: " + e.getMessage()); 202 | System.exit(1); 203 | } 204 | return null; 205 | } 206 | 207 | private static List readAllLinesOrExit(Path path) { 208 | try { 209 | return Files.readAllLines(path, Charset.forName("UTF-8")); 210 | } catch (IOException e) { 211 | System.err.println("Failed to read [" + path + "]: " + e.getMessage()); 212 | System.exit(0); 213 | } 214 | return null; 215 | } 216 | 217 | // In the fullness of time, equivalents of the methods of this class should be auto-generated from 218 | // the OpDefs linked into libtensorflow_jni.so. That would match what is done in other languages 219 | // like Python, C++ and Go. 220 | static class GraphBuilder { 221 | 222 | GraphBuilder(Graph g) { 223 | this.g = g; 224 | } 225 | 226 | Output div(Output x, Output y) { 227 | return binaryOp("Div", x, y); 228 | } 229 | 230 | Output sub(Output x, Output y) { 231 | return binaryOp("Sub", x, y); 232 | } 233 | 234 | Output resizeBilinear(Output images, Output size) { 235 | return binaryOp("ResizeBilinear", images, size); 236 | } 237 | 238 | Output expandDims(Output input, Output dim) { 239 | return binaryOp("ExpandDims", input, dim); 240 | } 241 | 242 | Output cast(Output value, DataType dtype) { 243 | return g.opBuilder("Cast", "Cast").addInput(value).setAttr("DstT", dtype).build().output(0); 244 | } 245 | 246 | Output decodeJpeg(Output contents, long channels) { 247 | return g.opBuilder("DecodeJpeg", "DecodeJpeg") 248 | .addInput(contents) 249 | .setAttr("channels", channels) 250 | .build() 251 | .output(0); 252 | } 253 | 254 | Output constant(String name, Object value) { 255 | try (Tensor t = Tensor.create(value)) { 256 | return g.opBuilder("Const", name) 257 | .setAttr("dtype", t.dataType()) 258 | .setAttr("value", t) 259 | .build() 260 | .output(0); 261 | } 262 | } 263 | 264 | private Output binaryOp(String type, Output in1, Output in2) { 265 | return g.opBuilder(type, type).addInput(in1).addInput(in2).build().output(0); 266 | } 267 | 268 | private Graph g; 269 | } 270 | //////////// 271 | 272 | public static void main(String[] args) { 273 | SwingUtilities.invokeLater(new Runnable() { 274 | public void run() { 275 | new Recognizer().setVisible(true); 276 | 277 | } 278 | }); 279 | } 280 | 281 | } 282 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/TableLayout.gwt.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/BaseTableLayout.java: -------------------------------------------------------------------------------- 1 | /******************************************************************************* 2 | * Copyright (c) 2011, Nathan Sweet 3 | * All rights reserved. 4 | * 5 | * Redistribution and use in source and binary forms, with or without 6 | * modification, are permitted provided that the following conditions are met: 7 | * * Redistributions of source code must retain the above copyright 8 | * notice, this list of conditions and the following disclaimer. 9 | * * Redistributions in binary form must reproduce the above copyright 10 | * notice, this list of conditions and the following disclaimer in the 11 | * documentation and/or other materials provided with the distribution. 12 | * * Neither the name of the nor the 13 | * names of its contributors may be used to endorse or promote products 14 | * derived from this software without specific prior written permission. 15 | * 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 | * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 | ******************************************************************************/ 27 | 28 | package com.esotericsoftware.tablelayout; 29 | 30 | import com.esotericsoftware.tablelayout.Value.FixedValue; 31 | 32 | import java.util.ArrayList; 33 | import java.util.List; 34 | 35 | /** Base layout functionality. 36 | * @author Nathan Sweet */ 37 | abstract public class BaseTableLayout> { 38 | static public final int CENTER = 1 << 0; 39 | static public final int TOP = 1 << 1; 40 | static public final int BOTTOM = 1 << 2; 41 | static public final int LEFT = 1 << 3; 42 | static public final int RIGHT = 1 << 4; 43 | 44 | static public enum Debug { 45 | none, all, table, cell, widget 46 | } 47 | 48 | K toolkit; 49 | T table; 50 | private int columns, rows; 51 | 52 | private final ArrayList cells = new ArrayList(4); 53 | private final Cell cellDefaults; 54 | private final ArrayList columnDefaults = new ArrayList(2); 55 | private Cell rowDefaults; 56 | 57 | private boolean sizeInvalid = true; 58 | private float[] columnMinWidth, rowMinHeight; 59 | private float[] columnPrefWidth, rowPrefHeight; 60 | private float tableMinWidth, tableMinHeight; 61 | private float tablePrefWidth, tablePrefHeight; 62 | private float[] columnWidth, rowHeight; 63 | private float[] expandWidth, expandHeight; 64 | private float[] columnWeightedWidth, rowWeightedHeight; 65 | 66 | Value padTop, padLeft, padBottom, padRight; 67 | int align = CENTER; 68 | Debug debug = Debug.none; 69 | 70 | public BaseTableLayout (K toolkit) { 71 | this.toolkit = toolkit; 72 | cellDefaults = toolkit.obtainCell((L)this); 73 | cellDefaults.defaults(); 74 | } 75 | 76 | /** Invalidates the layout. The cached min and pref sizes are recalculated the next time layout is done or the min or pref sizes 77 | * are accessed. */ 78 | public void invalidate () { 79 | sizeInvalid = true; 80 | } 81 | 82 | /** Invalidates the layout of this table and every parent widget. */ 83 | abstract public void invalidateHierarchy (); 84 | 85 | /** Adds a new cell to the table with the specified widget. */ 86 | public Cell add (C widget) { 87 | Cell cell = toolkit.obtainCell((L)this); 88 | cell.widget = widget; 89 | 90 | if (cells.size() > 0) { 91 | // Set cell column and row. 92 | Cell lastCell = cells.get(cells.size() - 1); 93 | if (!lastCell.endRow) { 94 | cell.column = lastCell.column + lastCell.colspan; 95 | cell.row = lastCell.row; 96 | } else { 97 | cell.column = 0; 98 | cell.row = lastCell.row + 1; 99 | } 100 | // Set the index of the cell above. 101 | if (cell.row > 0) { 102 | outer: 103 | for (int i = cells.size() - 1; i >= 0; i--) { 104 | Cell other = cells.get(i); 105 | for (int column = other.column, nn = column + other.colspan; column < nn; column++) { 106 | if (column == cell.column) { 107 | cell.cellAboveIndex = i; 108 | break outer; 109 | } 110 | } 111 | } 112 | } 113 | } else { 114 | cell.column = 0; 115 | cell.row = 0; 116 | } 117 | cells.add(cell); 118 | 119 | cell.set(cellDefaults); 120 | if (cell.column < columnDefaults.size()) { 121 | Cell columnCell = columnDefaults.get(cell.column); 122 | if (columnCell != null) cell.merge(columnCell); 123 | } 124 | cell.merge(rowDefaults); 125 | 126 | if (widget != null) toolkit.addChild(table, widget); 127 | 128 | return cell; 129 | } 130 | 131 | /** Indicates that subsequent cells should be added to a new row and returns the cell values that will be used as the defaults 132 | * for all cells in the new row. */ 133 | public Cell row () { 134 | if (cells.size() > 0) endRow(); 135 | if (rowDefaults != null) toolkit.freeCell(rowDefaults); 136 | rowDefaults = toolkit.obtainCell((L)this); 137 | rowDefaults.clear(); 138 | return rowDefaults; 139 | } 140 | 141 | private void endRow () { 142 | int rowColumns = 0; 143 | for (int i = cells.size() - 1; i >= 0; i--) { 144 | Cell cell = cells.get(i); 145 | if (cell.endRow) break; 146 | rowColumns += cell.colspan; 147 | } 148 | columns = Math.max(columns, rowColumns); 149 | rows++; 150 | cells.get(cells.size() - 1).endRow = true; 151 | invalidate(); 152 | } 153 | 154 | /** Gets the cell values that will be used as the defaults for all cells in the specified column. Columns are indexed starting 155 | * at 0. */ 156 | public Cell columnDefaults (int column) { 157 | Cell cell = columnDefaults.size() > column ? columnDefaults.get(column) : null; 158 | if (cell == null) { 159 | cell = toolkit.obtainCell((L)this); 160 | cell.clear(); 161 | if (column >= columnDefaults.size()) { 162 | for (int i = columnDefaults.size(); i < column; i++) 163 | columnDefaults.add(null); 164 | columnDefaults.add(cell); 165 | } else 166 | columnDefaults.set(column, cell); 167 | } 168 | return cell; 169 | } 170 | 171 | /** Removes all widgets and cells from the table (same as {@link #clear()}) and additionally resets all table properties and 172 | * cell, column, and row defaults. */ 173 | public void reset () { 174 | clear(); 175 | padTop = null; 176 | padLeft = null; 177 | padBottom = null; 178 | padRight = null; 179 | align = CENTER; 180 | if (debug != Debug.none) toolkit.clearDebugRectangles((L)this); 181 | debug = Debug.none; 182 | cellDefaults.defaults(); 183 | for (int i = 0, n = columnDefaults.size(); i < n; i++) { 184 | Cell columnCell = columnDefaults.get(i); 185 | if (columnCell != null) toolkit.freeCell(columnCell); 186 | } 187 | columnDefaults.clear(); 188 | } 189 | 190 | /** Removes all widgets and cells from the table. */ 191 | public void clear () { 192 | for (int i = cells.size() - 1; i >= 0; i--) { 193 | Cell cell = cells.get(i); 194 | Object widget = cell.widget; 195 | if (widget != null) toolkit.removeChild(table, (C)widget); 196 | toolkit.freeCell(cell); 197 | } 198 | cells.clear(); 199 | rows = 0; 200 | columns = 0; 201 | if (rowDefaults != null) toolkit.freeCell(rowDefaults); 202 | rowDefaults = null; 203 | invalidate(); 204 | } 205 | 206 | /** Returns the cell for the specified widget in this table, or null. */ 207 | public Cell getCell (C widget) { 208 | for (int i = 0, n = cells.size(); i < n; i++) { 209 | Cell c = cells.get(i); 210 | if (c.widget == widget) return c; 211 | } 212 | return null; 213 | } 214 | 215 | /** Returns the cells for this table. */ 216 | public List getCells () { 217 | return cells; 218 | } 219 | 220 | public void setToolkit (K toolkit) { 221 | this.toolkit = toolkit; 222 | } 223 | 224 | /** Returns the table widget that will be laid out. */ 225 | public T getTable () { 226 | return table; 227 | } 228 | 229 | /** Sets the table widget that will be laid out. */ 230 | public void setTable (T table) { 231 | this.table = table; 232 | } 233 | 234 | /** The minimum width of the table. */ 235 | public float getMinWidth () { 236 | if (sizeInvalid) computeSize(); 237 | return tableMinWidth; 238 | } 239 | 240 | /** The minimum size of the table. */ 241 | public float getMinHeight () { 242 | if (sizeInvalid) computeSize(); 243 | return tableMinHeight; 244 | } 245 | 246 | /** The preferred width of the table. */ 247 | public float getPrefWidth () { 248 | if (sizeInvalid) computeSize(); 249 | return tablePrefWidth; 250 | } 251 | 252 | /** The preferred height of the table. */ 253 | public float getPrefHeight () { 254 | if (sizeInvalid) computeSize(); 255 | return tablePrefHeight; 256 | } 257 | 258 | /** The cell values that will be used as the defaults for all cells. */ 259 | public Cell defaults () { 260 | return cellDefaults; 261 | } 262 | 263 | /** Sets the padTop, padLeft, padBottom, and padRight around the table to the specified value. */ 264 | public L pad (Value pad) { 265 | padTop = pad; 266 | padLeft = pad; 267 | padBottom = pad; 268 | padRight = pad; 269 | sizeInvalid = true; 270 | return (L)this; 271 | } 272 | 273 | public L pad (Value top, Value left, Value bottom, Value right) { 274 | padTop = top; 275 | padLeft = left; 276 | padBottom = bottom; 277 | padRight = right; 278 | sizeInvalid = true; 279 | return (L)this; 280 | } 281 | 282 | /** Padding at the top edge of the table. */ 283 | public L padTop (Value padTop) { 284 | this.padTop = padTop; 285 | sizeInvalid = true; 286 | return (L)this; 287 | } 288 | 289 | /** Padding at the left edge of the table. */ 290 | public L padLeft (Value padLeft) { 291 | this.padLeft = padLeft; 292 | sizeInvalid = true; 293 | return (L)this; 294 | } 295 | 296 | /** Padding at the bottom edge of the table. */ 297 | public L padBottom (Value padBottom) { 298 | this.padBottom = padBottom; 299 | sizeInvalid = true; 300 | return (L)this; 301 | } 302 | 303 | /** Padding at the right edge of the table. */ 304 | public L padRight (Value padRight) { 305 | this.padRight = padRight; 306 | sizeInvalid = true; 307 | return (L)this; 308 | } 309 | 310 | /** Sets the padTop, padLeft, padBottom, and padRight around the table to the specified value. */ 311 | public L pad (float pad) { 312 | padTop = new FixedValue(pad); 313 | padLeft = new FixedValue(pad); 314 | padBottom = new FixedValue(pad); 315 | padRight = new FixedValue(pad); 316 | sizeInvalid = true; 317 | return (L)this; 318 | } 319 | 320 | public L pad (float top, float left, float bottom, float right) { 321 | padTop = new FixedValue(top); 322 | padLeft = new FixedValue(left); 323 | padBottom = new FixedValue(bottom); 324 | padRight = new FixedValue(right); 325 | sizeInvalid = true; 326 | return (L)this; 327 | } 328 | 329 | /** Padding at the top edge of the table. */ 330 | public L padTop (float padTop) { 331 | this.padTop = new FixedValue(padTop); 332 | sizeInvalid = true; 333 | return (L)this; 334 | } 335 | 336 | /** Padding at the left edge of the table. */ 337 | public L padLeft (float padLeft) { 338 | this.padLeft = new FixedValue(padLeft); 339 | sizeInvalid = true; 340 | return (L)this; 341 | } 342 | 343 | /** Padding at the bottom edge of the table. */ 344 | public L padBottom (float padBottom) { 345 | this.padBottom = new FixedValue(padBottom); 346 | sizeInvalid = true; 347 | return (L)this; 348 | } 349 | 350 | /** Padding at the right edge of the table. */ 351 | public L padRight (float padRight) { 352 | this.padRight = new FixedValue(padRight); 353 | sizeInvalid = true; 354 | return (L)this; 355 | } 356 | 357 | /** Alignment of the logical table within the table widget. Set to {@link #CENTER}, {@link #TOP}, {@link #BOTTOM} , 358 | * {@link #LEFT}, {@link #RIGHT}, or any combination of those. */ 359 | public L align (int align) { 360 | this.align = align; 361 | return (L)this; 362 | } 363 | 364 | /** Sets the alignment of the logical table within the table widget to {@link #CENTER}. This clears any other alignment. */ 365 | public L center () { 366 | align = CENTER; 367 | return (L)this; 368 | } 369 | 370 | /** Adds {@link #TOP} and clears {@link #BOTTOM} for the alignment of the logical table within the table widget. */ 371 | public L top () { 372 | align |= TOP; 373 | align &= ~BOTTOM; 374 | return (L)this; 375 | } 376 | 377 | /** Adds {@link #LEFT} and clears {@link #RIGHT} for the alignment of the logical table within the table widget. */ 378 | public L left () { 379 | align |= LEFT; 380 | align &= ~RIGHT; 381 | return (L)this; 382 | } 383 | 384 | /** Adds {@link #BOTTOM} and clears {@link #TOP} for the alignment of the logical table within the table widget. */ 385 | public L bottom () { 386 | align |= BOTTOM; 387 | align &= ~TOP; 388 | return (L)this; 389 | } 390 | 391 | /** Adds {@link #RIGHT} and clears {@link #LEFT} for the alignment of the logical table within the table widget. */ 392 | public L right () { 393 | align |= RIGHT; 394 | align &= ~LEFT; 395 | return (L)this; 396 | } 397 | 398 | /** Turns on all debug lines. */ 399 | public L debug () { 400 | this.debug = Debug.all; 401 | invalidate(); 402 | return (L)this; 403 | } 404 | 405 | /** Turns on table debug lines. */ 406 | public L debugTable () { 407 | this.debug = Debug.table; 408 | invalidate(); 409 | return (L)this; 410 | } 411 | 412 | /** Turns on cell debug lines. */ 413 | public L debugCell () { 414 | this.debug = Debug.cell; 415 | invalidate(); 416 | return (L)this; 417 | } 418 | 419 | /** Turns on widget debug lines. */ 420 | public L debugWidget () { 421 | this.debug = Debug.widget; 422 | invalidate(); 423 | return (L)this; 424 | } 425 | 426 | /** Turns on debug lines. */ 427 | public L debug (Debug debug) { 428 | this.debug = debug; 429 | if (debug == Debug.none) 430 | toolkit.clearDebugRectangles((L)this); 431 | else 432 | invalidate(); 433 | return (L)this; 434 | } 435 | 436 | public Debug getDebug () { 437 | return debug; 438 | } 439 | 440 | public Value getPadTopValue () { 441 | return padTop; 442 | } 443 | 444 | public float getPadTop () { 445 | return padTop == null ? 0 : padTop.height(this); 446 | } 447 | 448 | public Value getPadLeftValue () { 449 | return padLeft; 450 | } 451 | 452 | public float getPadLeft () { 453 | return padLeft == null ? 0 : padLeft.width(this); 454 | } 455 | 456 | public Value getPadBottomValue () { 457 | return padBottom; 458 | } 459 | 460 | public float getPadBottom () { 461 | return padBottom == null ? 0 : padBottom.height(this); 462 | } 463 | 464 | public Value getPadRightValue () { 465 | return padRight; 466 | } 467 | 468 | public float getPadRight () { 469 | return padRight == null ? 0 : padRight.width(this); 470 | } 471 | 472 | public int getAlign () { 473 | return align; 474 | } 475 | 476 | /** Returns the row index for the y coordinate, or -1 if there are no cells. */ 477 | public int getRow (float y) { 478 | int row = 0; 479 | y += h(padTop); 480 | int i = 0, n = cells.size(); 481 | if (n == 0) return -1; 482 | if (n == 1) return 0; 483 | if (cells.get(0).widgetY < cells.get(1).widgetY) { 484 | // Using y-down coordinate system. 485 | while (i < n) { 486 | Cell c = cells.get(i++); 487 | if (c.getIgnore()) continue; 488 | if (c.widgetY + c.computedPadTop > y) break; 489 | if (c.endRow) row++; 490 | } 491 | return row - 1; 492 | } 493 | // Using y-up coordinate system. 494 | while (i < n) { 495 | Cell c = cells.get(i++); 496 | if (c.getIgnore()) continue; 497 | if (c.widgetY + c.computedPadTop < y) break; 498 | if (c.endRow) row++; 499 | } 500 | return row; 501 | } 502 | 503 | private float[] ensureSize (float[] array, int size) { 504 | if (array == null || array.length < size) return new float[size]; 505 | for (int i = 0, n = array.length; i < n; i++) 506 | array[i] = 0; 507 | return array; 508 | } 509 | 510 | private float w (Value value) { 511 | return value == null ? 0 : value.width(table); 512 | } 513 | 514 | private float h (Value value) { 515 | return value == null ? 0 : value.height(table); 516 | } 517 | 518 | private float w (Value value, Cell cell) { 519 | return value == null ? 0 : value.width(cell); 520 | } 521 | 522 | private float h (Value value, Cell cell) { 523 | return value == null ? 0 : value.height(cell); 524 | } 525 | 526 | private void computeSize () { 527 | sizeInvalid = false; 528 | 529 | Toolkit toolkit = this.toolkit; 530 | ArrayList cells = this.cells; 531 | 532 | if (cells.size() > 0 && !cells.get(cells.size() - 1).endRow) endRow(); 533 | 534 | columnMinWidth = ensureSize(columnMinWidth, columns); 535 | rowMinHeight = ensureSize(rowMinHeight, rows); 536 | columnPrefWidth = ensureSize(columnPrefWidth, columns); 537 | rowPrefHeight = ensureSize(rowPrefHeight, rows); 538 | columnWidth = ensureSize(columnWidth, columns); 539 | rowHeight = ensureSize(rowHeight, rows); 540 | expandWidth = ensureSize(expandWidth, columns); 541 | expandHeight = ensureSize(expandHeight, rows); 542 | 543 | float spaceRightLast = 0; 544 | for (int i = 0, n = cells.size(); i < n; i++) { 545 | Cell c = cells.get(i); 546 | if (c.ignore) continue; 547 | 548 | // Collect columns/rows that expand. 549 | if (c.expandY != 0 && expandHeight[c.row] == 0) expandHeight[c.row] = c.expandY; 550 | if (c.colspan == 1 && c.expandX != 0 && expandWidth[c.column] == 0) expandWidth[c.column] = c.expandX; 551 | 552 | // Compute combined padding/spacing for cells. 553 | // Spacing between widgets isn't additive, the larger is used. Also, no spacing around edges. 554 | c.computedPadLeft = w(c.padLeft, c) + (c.column == 0 ? 0 : Math.max(0, w(c.spaceLeft, c) - spaceRightLast)); 555 | c.computedPadTop = h(c.padTop, c); 556 | if (c.cellAboveIndex != -1) { 557 | Cell above = cells.get(c.cellAboveIndex); 558 | c.computedPadTop += Math.max(0, h(c.spaceTop, c) - h(above.spaceBottom, above)); 559 | } 560 | float spaceRight = w(c.spaceRight, c); 561 | c.computedPadRight = w(c.padRight, c) + ((c.column + c.colspan) == columns ? 0 : spaceRight); 562 | c.computedPadBottom = h(c.padBottom, c) + (c.row == rows - 1 ? 0 : h(c.spaceBottom, c)); 563 | spaceRightLast = spaceRight; 564 | 565 | // Determine minimum and preferred cell sizes. 566 | float prefWidth = w(c.prefWidth, c); 567 | float prefHeight = h(c.prefHeight, c); 568 | float minWidth = w(c.minWidth, c); 569 | float minHeight = h(c.minHeight, c); 570 | float maxWidth = w(c.maxWidth, c); 571 | float maxHeight = h(c.maxHeight, c); 572 | if (prefWidth < minWidth) prefWidth = minWidth; 573 | if (prefHeight < minHeight) prefHeight = minHeight; 574 | if (maxWidth > 0 && prefWidth > maxWidth) prefWidth = maxWidth; 575 | if (maxHeight > 0 && prefHeight > maxHeight) prefHeight = maxHeight; 576 | 577 | if (c.colspan == 1) { // Spanned column min and pref width is added later. 578 | float hpadding = c.computedPadLeft + c.computedPadRight; 579 | columnPrefWidth[c.column] = Math.max(columnPrefWidth[c.column], prefWidth + hpadding); 580 | columnMinWidth[c.column] = Math.max(columnMinWidth[c.column], minWidth + hpadding); 581 | } 582 | float vpadding = c.computedPadTop + c.computedPadBottom; 583 | rowPrefHeight[c.row] = Math.max(rowPrefHeight[c.row], prefHeight + vpadding); 584 | rowMinHeight[c.row] = Math.max(rowMinHeight[c.row], minHeight + vpadding); 585 | } 586 | 587 | // Colspan with expand will expand all spanned columns if none of the spanned columns have expand. 588 | outer: 589 | for (int i = 0, n = cells.size(); i < n; i++) { 590 | Cell c = cells.get(i); 591 | if (c.ignore || c.expandX == 0) continue; 592 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 593 | if (expandWidth[column] != 0) continue outer; 594 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 595 | expandWidth[column] = c.expandX; 596 | } 597 | 598 | // Distribute any additional min and pref width added by colspanned cells to the columns spanned. 599 | for (int i = 0, n = cells.size(); i < n; i++) { 600 | Cell c = cells.get(i); 601 | if (c.ignore || c.colspan == 1) continue; 602 | 603 | float minWidth = w(c.minWidth, c); 604 | float prefWidth = w(c.prefWidth, c); 605 | float maxWidth = w(c.maxWidth, c); 606 | if (prefWidth < minWidth) prefWidth = minWidth; 607 | if (maxWidth > 0 && prefWidth > maxWidth) prefWidth = maxWidth; 608 | 609 | float spannedMinWidth = -(c.computedPadLeft + c.computedPadRight), spannedPrefWidth = spannedMinWidth; 610 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) { 611 | spannedMinWidth += columnMinWidth[column]; 612 | spannedPrefWidth += columnPrefWidth[column]; 613 | } 614 | 615 | // Distribute extra space using expand, if any columns have expand. 616 | float totalExpandWidth = 0; 617 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 618 | totalExpandWidth += expandWidth[column]; 619 | 620 | float extraMinWidth = Math.max(0, minWidth - spannedMinWidth); 621 | float extraPrefWidth = Math.max(0, prefWidth - spannedPrefWidth); 622 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) { 623 | float ratio = totalExpandWidth == 0 ? 1f / c.colspan : expandWidth[column] / totalExpandWidth; 624 | columnMinWidth[column] += extraMinWidth * ratio; 625 | columnPrefWidth[column] += extraPrefWidth * ratio; 626 | } 627 | } 628 | 629 | // Collect uniform size. 630 | float uniformMinWidth = 0, uniformMinHeight = 0; 631 | float uniformPrefWidth = 0, uniformPrefHeight = 0; 632 | for (int i = 0, n = cells.size(); i < n; i++) { 633 | Cell c = cells.get(i); 634 | if (c.ignore) continue; 635 | 636 | // Collect uniform sizes. 637 | if (c.uniformX == Boolean.TRUE && c.colspan == 1) { 638 | float hpadding = c.computedPadLeft + c.computedPadRight; 639 | uniformMinWidth = Math.max(uniformMinWidth, columnMinWidth[c.column] - hpadding); 640 | uniformPrefWidth = Math.max(uniformPrefWidth, columnPrefWidth[c.column] - hpadding); 641 | } 642 | if (c.uniformY == Boolean.TRUE) { 643 | float vpadding = c.computedPadTop + c.computedPadBottom; 644 | uniformMinHeight = Math.max(uniformMinHeight, rowMinHeight[c.row] - vpadding); 645 | uniformPrefHeight = Math.max(uniformPrefHeight, rowPrefHeight[c.row] - vpadding); 646 | } 647 | } 648 | 649 | // Size uniform cells to the same width/height. 650 | if (uniformPrefWidth > 0 || uniformPrefHeight > 0) { 651 | for (int i = 0, n = cells.size(); i < n; i++) { 652 | Cell c = cells.get(i); 653 | if (c.ignore) continue; 654 | if (uniformPrefWidth > 0 && c.uniformX == Boolean.TRUE && c.colspan == 1) { 655 | float hpadding = c.computedPadLeft + c.computedPadRight; 656 | columnMinWidth[c.column] = uniformMinWidth + hpadding; 657 | columnPrefWidth[c.column] = uniformPrefWidth + hpadding; 658 | } 659 | if (uniformPrefHeight > 0 && c.uniformY == Boolean.TRUE) { 660 | float vpadding = c.computedPadTop + c.computedPadBottom; 661 | rowMinHeight[c.row] = uniformMinHeight + vpadding; 662 | rowPrefHeight[c.row] = uniformPrefHeight + vpadding; 663 | } 664 | } 665 | } 666 | 667 | // Determine table min and pref size. 668 | tableMinWidth = 0; 669 | tableMinHeight = 0; 670 | tablePrefWidth = 0; 671 | tablePrefHeight = 0; 672 | for (int i = 0; i < columns; i++) { 673 | tableMinWidth += columnMinWidth[i]; 674 | tablePrefWidth += columnPrefWidth[i]; 675 | } 676 | for (int i = 0; i < rows; i++) { 677 | tableMinHeight += rowMinHeight[i]; 678 | tablePrefHeight += Math.max(rowMinHeight[i], rowPrefHeight[i]); 679 | } 680 | float hpadding = w(padLeft) + w(padRight); 681 | float vpadding = h(padTop) + h(padBottom); 682 | tableMinWidth = tableMinWidth + hpadding; 683 | tableMinHeight = tableMinHeight + vpadding; 684 | tablePrefWidth = Math.max(tablePrefWidth + hpadding, tableMinWidth); 685 | tablePrefHeight = Math.max(tablePrefHeight + vpadding, tableMinHeight); 686 | } 687 | 688 | /** Positions and sizes children of the table using the cell associated with each child. The values given are the position 689 | * within the parent and size of the table. */ 690 | public void layout (float layoutX, float layoutY, float layoutWidth, float layoutHeight) { 691 | Toolkit toolkit = this.toolkit; 692 | ArrayList cells = this.cells; 693 | 694 | if (sizeInvalid) computeSize(); 695 | 696 | float hpadding = w(padLeft) + w(padRight); 697 | float vpadding = h(padTop) + h(padBottom); 698 | 699 | float totalExpandWidth = 0, totalExpandHeight = 0; 700 | for (int i = 0; i < columns; i++) 701 | totalExpandWidth += expandWidth[i]; 702 | for (int i = 0; i < rows; i++) 703 | totalExpandHeight += expandHeight[i]; 704 | 705 | // Size columns and rows between min and pref size using (preferred - min) size to weight distribution of extra space. 706 | float[] columnWeightedWidth; 707 | float totalGrowWidth = tablePrefWidth - tableMinWidth; 708 | if (totalGrowWidth == 0) 709 | columnWeightedWidth = columnMinWidth; 710 | else { 711 | float extraWidth = Math.min(totalGrowWidth, Math.max(0, layoutWidth - tableMinWidth)); 712 | columnWeightedWidth = this.columnWeightedWidth = ensureSize(this.columnWeightedWidth, columns); 713 | for (int i = 0; i < columns; i++) { 714 | float growWidth = columnPrefWidth[i] - columnMinWidth[i]; 715 | float growRatio = growWidth / (float)totalGrowWidth; 716 | columnWeightedWidth[i] = columnMinWidth[i] + extraWidth * growRatio; 717 | } 718 | } 719 | 720 | float[] rowWeightedHeight; 721 | float totalGrowHeight = tablePrefHeight - tableMinHeight; 722 | if (totalGrowHeight == 0) 723 | rowWeightedHeight = rowMinHeight; 724 | else { 725 | rowWeightedHeight = this.rowWeightedHeight = ensureSize(this.rowWeightedHeight, rows); 726 | float extraHeight = Math.min(totalGrowHeight, Math.max(0, layoutHeight - tableMinHeight)); 727 | for (int i = 0; i < rows; i++) { 728 | float growHeight = rowPrefHeight[i] - rowMinHeight[i]; 729 | float growRatio = growHeight / (float)totalGrowHeight; 730 | rowWeightedHeight[i] = rowMinHeight[i] + extraHeight * growRatio; 731 | } 732 | } 733 | 734 | // Determine widget and cell sizes (before expand or fill). 735 | for (int i = 0, n = cells.size(); i < n; i++) { 736 | Cell c = cells.get(i); 737 | if (c.ignore) continue; 738 | 739 | float spannedWeightedWidth = 0; 740 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 741 | spannedWeightedWidth += columnWeightedWidth[column]; 742 | float weightedHeight = rowWeightedHeight[c.row]; 743 | 744 | float prefWidth = w(c.prefWidth, c); 745 | float prefHeight = h(c.prefHeight, c); 746 | float minWidth = w(c.minWidth, c); 747 | float minHeight = h(c.minHeight, c); 748 | float maxWidth = w(c.maxWidth, c); 749 | float maxHeight = h(c.maxHeight, c); 750 | if (prefWidth < minWidth) prefWidth = minWidth; 751 | if (prefHeight < minHeight) prefHeight = minHeight; 752 | if (maxWidth > 0 && prefWidth > maxWidth) prefWidth = maxWidth; 753 | if (maxHeight > 0 && prefHeight > maxHeight) prefHeight = maxHeight; 754 | 755 | c.widgetWidth = Math.min(spannedWeightedWidth - c.computedPadLeft - c.computedPadRight, prefWidth); 756 | c.widgetHeight = Math.min(weightedHeight - c.computedPadTop - c.computedPadBottom, prefHeight); 757 | 758 | if (c.colspan == 1) columnWidth[c.column] = Math.max(columnWidth[c.column], spannedWeightedWidth); 759 | rowHeight[c.row] = Math.max(rowHeight[c.row], weightedHeight); 760 | } 761 | 762 | // Distribute remaining space to any expanding columns/rows. 763 | if (totalExpandWidth > 0) { 764 | float extra = layoutWidth - hpadding; 765 | for (int i = 0; i < columns; i++) 766 | extra -= columnWidth[i]; 767 | float used = 0; 768 | int lastIndex = 0; 769 | for (int i = 0; i < columns; i++) { 770 | if (expandWidth[i] == 0) continue; 771 | float amount = extra * expandWidth[i] / totalExpandWidth; 772 | columnWidth[i] += amount; 773 | used += amount; 774 | lastIndex = i; 775 | } 776 | columnWidth[lastIndex] += extra - used; 777 | } 778 | if (totalExpandHeight > 0) { 779 | float extra = layoutHeight - vpadding; 780 | for (int i = 0; i < rows; i++) 781 | extra -= rowHeight[i]; 782 | float used = 0; 783 | int lastIndex = 0; 784 | for (int i = 0; i < rows; i++) { 785 | if (expandHeight[i] == 0) continue; 786 | float amount = extra * expandHeight[i] / totalExpandHeight; 787 | rowHeight[i] += amount; 788 | used += amount; 789 | lastIndex = i; 790 | } 791 | rowHeight[lastIndex] += extra - used; 792 | } 793 | 794 | // Distribute any additional width added by colspanned cells to the columns spanned. 795 | for (int i = 0, n = cells.size(); i < n; i++) { 796 | Cell c = cells.get(i); 797 | if (c.ignore) continue; 798 | if (c.colspan == 1) continue; 799 | 800 | float extraWidth = 0; 801 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 802 | extraWidth += columnWeightedWidth[column] - columnWidth[column]; 803 | extraWidth -= Math.max(0, c.computedPadLeft + c.computedPadRight); 804 | 805 | extraWidth /= c.colspan; 806 | if (extraWidth > 0) { 807 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 808 | columnWidth[column] += extraWidth; 809 | } 810 | } 811 | 812 | // Determine table size. 813 | float tableWidth = hpadding, tableHeight = vpadding; 814 | for (int i = 0; i < columns; i++) 815 | tableWidth += columnWidth[i]; 816 | for (int i = 0; i < rows; i++) 817 | tableHeight += rowHeight[i]; 818 | 819 | // Position table within the container. 820 | float x = layoutX + w(padLeft); 821 | if ((align & RIGHT) != 0) 822 | x += layoutWidth - tableWidth; 823 | else if ((align & LEFT) == 0) // Center 824 | x += (layoutWidth - tableWidth) / 2; 825 | 826 | float y = layoutY + h(padTop); 827 | if ((align & BOTTOM) != 0) 828 | y += layoutHeight - tableHeight; 829 | else if ((align & TOP) == 0) // Center 830 | y += (layoutHeight - tableHeight) / 2; 831 | 832 | // Position widgets within cells. 833 | float currentX = x, currentY = y; 834 | for (int i = 0, n = cells.size(); i < n; i++) { 835 | Cell c = cells.get(i); 836 | if (c.ignore) continue; 837 | 838 | float spannedCellWidth = 0; 839 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 840 | spannedCellWidth += columnWidth[column]; 841 | spannedCellWidth -= c.computedPadLeft + c.computedPadRight; 842 | 843 | currentX += c.computedPadLeft; 844 | 845 | if (c.fillX > 0) { 846 | c.widgetWidth = spannedCellWidth * c.fillX; 847 | float maxWidth = w(c.maxWidth, c); 848 | if (maxWidth > 0) c.widgetWidth = Math.min(c.widgetWidth, maxWidth); 849 | } 850 | if (c.fillY > 0) { 851 | c.widgetHeight = rowHeight[c.row] * c.fillY - c.computedPadTop - c.computedPadBottom; 852 | float maxHeight = h(c.maxHeight, c); 853 | if (maxHeight > 0) c.widgetHeight = Math.min(c.widgetHeight, maxHeight); 854 | } 855 | 856 | if ((c.align & LEFT) != 0) 857 | c.widgetX = currentX; 858 | else if ((c.align & RIGHT) != 0) 859 | c.widgetX = currentX + spannedCellWidth - c.widgetWidth; 860 | else 861 | c.widgetX = currentX + (spannedCellWidth - c.widgetWidth) / 2; 862 | 863 | if ((c.align & TOP) != 0) 864 | c.widgetY = currentY + c.computedPadTop; 865 | else if ((c.align & BOTTOM) != 0) 866 | c.widgetY = currentY + rowHeight[c.row] - c.widgetHeight - c.computedPadBottom; 867 | else 868 | c.widgetY = currentY + (rowHeight[c.row] - c.widgetHeight + c.computedPadTop - c.computedPadBottom) / 2; 869 | 870 | if (c.endRow) { 871 | currentX = x; 872 | currentY += rowHeight[c.row]; 873 | } else 874 | currentX += spannedCellWidth + c.computedPadRight; 875 | } 876 | 877 | // Draw debug widgets and bounds. 878 | if (debug == Debug.none) return; 879 | toolkit.clearDebugRectangles(this); 880 | currentX = x; 881 | currentY = y; 882 | if (debug == Debug.table || debug == Debug.all) { 883 | toolkit.addDebugRectangle(this, Debug.table, layoutX, layoutY, layoutWidth, layoutHeight); 884 | toolkit.addDebugRectangle(this, Debug.table, x, y, tableWidth - hpadding, tableHeight - vpadding); 885 | } 886 | for (int i = 0, n = cells.size(); i < n; i++) { 887 | Cell c = cells.get(i); 888 | if (c.ignore) continue; 889 | 890 | // Widget bounds. 891 | if (debug == Debug.widget || debug == Debug.all) 892 | toolkit.addDebugRectangle(this, Debug.widget, c.widgetX, c.widgetY, c.widgetWidth, c.widgetHeight); 893 | 894 | // Cell bounds. 895 | float spannedCellWidth = 0; 896 | for (int column = c.column, nn = column + c.colspan; column < nn; column++) 897 | spannedCellWidth += columnWidth[column]; 898 | spannedCellWidth -= c.computedPadLeft + c.computedPadRight; 899 | currentX += c.computedPadLeft; 900 | if (debug == Debug.cell || debug == Debug.all) { 901 | toolkit.addDebugRectangle(this, Debug.cell, currentX, currentY + c.computedPadTop, spannedCellWidth, rowHeight[c.row] 902 | - c.computedPadTop - c.computedPadBottom); 903 | } 904 | 905 | if (c.endRow) { 906 | currentX = x; 907 | currentY += rowHeight[c.row]; 908 | } else 909 | currentX += spannedCellWidth + c.computedPadRight; 910 | } 911 | } 912 | } 913 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/Cell.java: -------------------------------------------------------------------------------- 1 | /******************************************************************************* 2 | * Copyright (c) 2011, Nathan Sweet 3 | * All rights reserved. 4 | * 5 | * Redistribution and use in source and binary forms, with or without 6 | * modification, are permitted provided that the following conditions are met: 7 | * * Redistributions of source code must retain the above copyright 8 | * notice, this list of conditions and the following disclaimer. 9 | * * Redistributions in binary form must reproduce the above copyright 10 | * notice, this list of conditions and the following disclaimer in the 11 | * documentation and/or other materials provided with the distribution. 12 | * * Neither the name of the nor the 13 | * names of its contributors may be used to endorse or promote products 14 | * derived from this software without specific prior written permission. 15 | * 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 | * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 | ******************************************************************************/ 27 | 28 | package com.esotericsoftware.tablelayout; 29 | 30 | import com.esotericsoftware.tablelayout.Value.FixedValue; 31 | 32 | import static com.esotericsoftware.tablelayout.BaseTableLayout.*; 33 | 34 | /** A cell in a table. 35 | * @author Nathan Sweet */ 36 | public class Cell { 37 | Value minWidth, minHeight; 38 | Value prefWidth, prefHeight; 39 | Value maxWidth, maxHeight; 40 | Value spaceTop, spaceLeft, spaceBottom, spaceRight; 41 | Value padTop, padLeft, padBottom, padRight; 42 | Float fillX, fillY; 43 | Integer align; 44 | Integer expandX, expandY; 45 | Boolean ignore; 46 | Integer colspan; 47 | Boolean uniformX, uniformY; 48 | 49 | C widget; 50 | float widgetX, widgetY; 51 | float widgetWidth, widgetHeight; 52 | 53 | private BaseTableLayout layout; 54 | boolean endRow; 55 | int column, row; 56 | int cellAboveIndex = -1; 57 | float computedPadTop, computedPadLeft, computedPadBottom, computedPadRight; 58 | 59 | public Cell () { 60 | } 61 | 62 | public void setLayout (BaseTableLayout layout) { 63 | this.layout = layout; 64 | } 65 | 66 | void set (Cell defaults) { 67 | minWidth = defaults.minWidth; 68 | minHeight = defaults.minHeight; 69 | prefWidth = defaults.prefWidth; 70 | prefHeight = defaults.prefHeight; 71 | maxWidth = defaults.maxWidth; 72 | maxHeight = defaults.maxHeight; 73 | spaceTop = defaults.spaceTop; 74 | spaceLeft = defaults.spaceLeft; 75 | spaceBottom = defaults.spaceBottom; 76 | spaceRight = defaults.spaceRight; 77 | padTop = defaults.padTop; 78 | padLeft = defaults.padLeft; 79 | padBottom = defaults.padBottom; 80 | padRight = defaults.padRight; 81 | fillX = defaults.fillX; 82 | fillY = defaults.fillY; 83 | align = defaults.align; 84 | expandX = defaults.expandX; 85 | expandY = defaults.expandY; 86 | ignore = defaults.ignore; 87 | colspan = defaults.colspan; 88 | uniformX = defaults.uniformX; 89 | uniformY = defaults.uniformY; 90 | } 91 | 92 | void merge (Cell cell) { 93 | if (cell == null) return; 94 | if (cell.minWidth != null) minWidth = cell.minWidth; 95 | if (cell.minHeight != null) minHeight = cell.minHeight; 96 | if (cell.prefWidth != null) prefWidth = cell.prefWidth; 97 | if (cell.prefHeight != null) prefHeight = cell.prefHeight; 98 | if (cell.maxWidth != null) maxWidth = cell.maxWidth; 99 | if (cell.maxHeight != null) maxHeight = cell.maxHeight; 100 | if (cell.spaceTop != null) spaceTop = cell.spaceTop; 101 | if (cell.spaceLeft != null) spaceLeft = cell.spaceLeft; 102 | if (cell.spaceBottom != null) spaceBottom = cell.spaceBottom; 103 | if (cell.spaceRight != null) spaceRight = cell.spaceRight; 104 | if (cell.padTop != null) padTop = cell.padTop; 105 | if (cell.padLeft != null) padLeft = cell.padLeft; 106 | if (cell.padBottom != null) padBottom = cell.padBottom; 107 | if (cell.padRight != null) padRight = cell.padRight; 108 | if (cell.fillX != null) fillX = cell.fillX; 109 | if (cell.fillY != null) fillY = cell.fillY; 110 | if (cell.align != null) align = cell.align; 111 | if (cell.expandX != null) expandX = cell.expandX; 112 | if (cell.expandY != null) expandY = cell.expandY; 113 | if (cell.ignore != null) ignore = cell.ignore; 114 | if (cell.colspan != null) colspan = cell.colspan; 115 | if (cell.uniformX != null) uniformX = cell.uniformX; 116 | if (cell.uniformY != null) uniformY = cell.uniformY; 117 | } 118 | 119 | /** Sets the widget in this cell and adds the widget to the cell's table. If null, removes any current widget. */ 120 | public Cell setWidget (C widget) { 121 | layout.toolkit.setWidget(layout, this, widget); 122 | return this; 123 | } 124 | 125 | /** Returns the widget for this cell, or null. */ 126 | public C getWidget () { 127 | return widget; 128 | } 129 | 130 | /** Returns true if the cell's widget is not null. */ 131 | public boolean hasWidget () { 132 | return widget != null; 133 | } 134 | 135 | /** Sets the minWidth, prefWidth, maxWidth, minHeight, prefHeight, and maxHeight to the specified value. */ 136 | public Cell size (Value size) { 137 | minWidth = size; 138 | minHeight = size; 139 | prefWidth = size; 140 | prefHeight = size; 141 | maxWidth = size; 142 | maxHeight = size; 143 | return this; 144 | } 145 | 146 | /** Sets the minWidth, prefWidth, maxWidth, minHeight, prefHeight, and maxHeight to the specified values. */ 147 | public Cell size (Value width, Value height) { 148 | minWidth = width; 149 | minHeight = height; 150 | prefWidth = width; 151 | prefHeight = height; 152 | maxWidth = width; 153 | maxHeight = height; 154 | return this; 155 | } 156 | 157 | /** Sets the minWidth, prefWidth, maxWidth, minHeight, prefHeight, and maxHeight to the specified value. */ 158 | public Cell size (float size) { 159 | size(new FixedValue(size)); 160 | return this; 161 | } 162 | 163 | /** Sets the minWidth, prefWidth, maxWidth, minHeight, prefHeight, and maxHeight to the specified values. */ 164 | public Cell size (float width, float height) { 165 | size(new FixedValue(width), new FixedValue(height)); 166 | return this; 167 | } 168 | 169 | /** Sets the minWidth, prefWidth, and maxWidth to the specified value. */ 170 | public Cell width (Value width) { 171 | minWidth = width; 172 | prefWidth = width; 173 | maxWidth = width; 174 | return this; 175 | } 176 | 177 | /** Sets the minWidth, prefWidth, and maxWidth to the specified value. */ 178 | public Cell width (float width) { 179 | width(new FixedValue(width)); 180 | return this; 181 | } 182 | 183 | /** Sets the minHeight, prefHeight, and maxHeight to the specified value. */ 184 | public Cell height (Value height) { 185 | minHeight = height; 186 | prefHeight = height; 187 | maxHeight = height; 188 | return this; 189 | } 190 | 191 | /** Sets the minHeight, prefHeight, and maxHeight to the specified value. */ 192 | public Cell height (float height) { 193 | height(new FixedValue(height)); 194 | return this; 195 | } 196 | 197 | /** Sets the minWidth and minHeight to the specified value. */ 198 | public Cell minSize (Value size) { 199 | minWidth = size; 200 | minHeight = size; 201 | return this; 202 | } 203 | 204 | /** Sets the minWidth and minHeight to the specified values. */ 205 | public Cell minSize (Value width, Value height) { 206 | minWidth = width; 207 | minHeight = height; 208 | return this; 209 | } 210 | 211 | public Cell minWidth (Value minWidth) { 212 | this.minWidth = minWidth; 213 | return this; 214 | } 215 | 216 | public Cell minHeight (Value minHeight) { 217 | this.minHeight = minHeight; 218 | return this; 219 | } 220 | 221 | /** Sets the minWidth and minHeight to the specified value. */ 222 | public Cell minSize (float size) { 223 | minWidth = new FixedValue(size); 224 | minHeight = new FixedValue(size); 225 | return this; 226 | } 227 | 228 | /** Sets the minWidth and minHeight to the specified values. */ 229 | public Cell minSize (float width, float height) { 230 | minWidth = new FixedValue(width); 231 | minHeight = new FixedValue(height); 232 | return this; 233 | } 234 | 235 | public Cell minWidth (float minWidth) { 236 | this.minWidth = new FixedValue(minWidth); 237 | return this; 238 | } 239 | 240 | public Cell minHeight (float minHeight) { 241 | this.minHeight = new FixedValue(minHeight); 242 | return this; 243 | } 244 | 245 | /** Sets the prefWidth and prefHeight to the specified value. */ 246 | public Cell prefSize (Value size) { 247 | prefWidth = size; 248 | prefHeight = size; 249 | return this; 250 | } 251 | 252 | /** Sets the prefWidth and prefHeight to the specified values. */ 253 | public Cell prefSize (Value width, Value height) { 254 | prefWidth = width; 255 | prefHeight = height; 256 | return this; 257 | } 258 | 259 | public Cell prefWidth (Value prefWidth) { 260 | this.prefWidth = prefWidth; 261 | return this; 262 | } 263 | 264 | public Cell prefHeight (Value prefHeight) { 265 | this.prefHeight = prefHeight; 266 | return this; 267 | } 268 | 269 | /** Sets the prefWidth and prefHeight to the specified value. */ 270 | public Cell prefSize (float width, float height) { 271 | prefWidth = new FixedValue(width); 272 | prefHeight = new FixedValue(height); 273 | return this; 274 | } 275 | 276 | /** Sets the prefWidth and prefHeight to the specified values. */ 277 | public Cell prefSize (float size) { 278 | prefWidth = new FixedValue(size); 279 | prefHeight = new FixedValue(size); 280 | return this; 281 | } 282 | 283 | public Cell prefWidth (float prefWidth) { 284 | this.prefWidth = new FixedValue(prefWidth); 285 | return this; 286 | } 287 | 288 | public Cell prefHeight (float prefHeight) { 289 | this.prefHeight = new FixedValue(prefHeight); 290 | return this; 291 | } 292 | 293 | /** Sets the maxWidth and maxHeight to the specified value. */ 294 | public Cell maxSize (Value size) { 295 | maxWidth = size; 296 | maxHeight = size; 297 | return this; 298 | } 299 | 300 | /** Sets the maxWidth and maxHeight to the specified values. */ 301 | public Cell maxSize (Value width, Value height) { 302 | maxWidth = width; 303 | maxHeight = height; 304 | return this; 305 | } 306 | 307 | public Cell maxWidth (Value maxWidth) { 308 | this.maxWidth = maxWidth; 309 | return this; 310 | } 311 | 312 | public Cell maxHeight (Value maxHeight) { 313 | this.maxHeight = maxHeight; 314 | return this; 315 | } 316 | 317 | /** Sets the maxWidth and maxHeight to the specified value. */ 318 | public Cell maxSize (float size) { 319 | maxWidth = new FixedValue(size); 320 | maxHeight = new FixedValue(size); 321 | return this; 322 | } 323 | 324 | /** Sets the maxWidth and maxHeight to the specified values. */ 325 | public Cell maxSize (float width, float height) { 326 | maxWidth = new FixedValue(width); 327 | maxHeight = new FixedValue(height); 328 | return this; 329 | } 330 | 331 | public Cell maxWidth (float maxWidth) { 332 | this.maxWidth = new FixedValue(maxWidth); 333 | return this; 334 | } 335 | 336 | public Cell maxHeight (float maxHeight) { 337 | this.maxHeight = new FixedValue(maxHeight); 338 | return this; 339 | } 340 | 341 | /** Sets the spaceTop, spaceLeft, spaceBottom, and spaceRight to the specified value. */ 342 | public Cell space (Value space) { 343 | spaceTop = space; 344 | spaceLeft = space; 345 | spaceBottom = space; 346 | spaceRight = space; 347 | return this; 348 | } 349 | 350 | public Cell space (Value top, Value left, Value bottom, Value right) { 351 | spaceTop = top; 352 | spaceLeft = left; 353 | spaceBottom = bottom; 354 | spaceRight = right; 355 | return this; 356 | } 357 | 358 | public Cell spaceTop (Value spaceTop) { 359 | this.spaceTop = spaceTop; 360 | return this; 361 | } 362 | 363 | public Cell spaceLeft (Value spaceLeft) { 364 | this.spaceLeft = spaceLeft; 365 | return this; 366 | } 367 | 368 | public Cell spaceBottom (Value spaceBottom) { 369 | this.spaceBottom = spaceBottom; 370 | return this; 371 | } 372 | 373 | public Cell spaceRight (Value spaceRight) { 374 | this.spaceRight = spaceRight; 375 | return this; 376 | } 377 | 378 | /** Sets the spaceTop, spaceLeft, spaceBottom, and spaceRight to the specified value. */ 379 | public Cell space (float space) { 380 | if (space < 0) throw new IllegalArgumentException("space cannot be < 0."); 381 | Value value = new FixedValue(space); 382 | spaceTop = value; 383 | spaceLeft = value; 384 | spaceBottom = value; 385 | spaceRight = value; 386 | return this; 387 | } 388 | 389 | public Cell space (float top, float left, float bottom, float right) { 390 | if (top < 0) throw new IllegalArgumentException("top cannot be < 0."); 391 | if (left < 0) throw new IllegalArgumentException("left cannot be < 0."); 392 | if (bottom < 0) throw new IllegalArgumentException("bottom cannot be < 0."); 393 | if (right < 0) throw new IllegalArgumentException("right cannot be < 0."); 394 | spaceTop = new FixedValue(top); 395 | spaceLeft = new FixedValue(left); 396 | spaceBottom = new FixedValue(bottom); 397 | spaceRight = new FixedValue(right); 398 | return this; 399 | } 400 | 401 | public Cell spaceTop (float spaceTop) { 402 | if (spaceTop < 0) throw new IllegalArgumentException("spaceTop cannot be < 0."); 403 | this.spaceTop = new FixedValue(spaceTop); 404 | return this; 405 | } 406 | 407 | public Cell spaceLeft (float spaceLeft) { 408 | if (spaceLeft < 0) throw new IllegalArgumentException("spaceLeft cannot be < 0."); 409 | this.spaceLeft = new FixedValue(spaceLeft); 410 | return this; 411 | } 412 | 413 | public Cell spaceBottom (float spaceBottom) { 414 | if (spaceBottom < 0) throw new IllegalArgumentException("spaceBottom cannot be < 0."); 415 | this.spaceBottom = new FixedValue(spaceBottom); 416 | return this; 417 | } 418 | 419 | public Cell spaceRight (float spaceRight) { 420 | if (spaceRight < 0) throw new IllegalArgumentException("spaceRight cannot be < 0."); 421 | this.spaceRight = new FixedValue(spaceRight); 422 | return this; 423 | } 424 | 425 | /** Sets the padTop, padLeft, padBottom, and padRight to the specified value. */ 426 | public Cell pad (Value pad) { 427 | padTop = pad; 428 | padLeft = pad; 429 | padBottom = pad; 430 | padRight = pad; 431 | return this; 432 | } 433 | 434 | public Cell pad (Value top, Value left, Value bottom, Value right) { 435 | padTop = top; 436 | padLeft = left; 437 | padBottom = bottom; 438 | padRight = right; 439 | return this; 440 | } 441 | 442 | public Cell padTop (Value padTop) { 443 | this.padTop = padTop; 444 | return this; 445 | } 446 | 447 | public Cell padLeft (Value padLeft) { 448 | this.padLeft = padLeft; 449 | return this; 450 | } 451 | 452 | public Cell padBottom (Value padBottom) { 453 | this.padBottom = padBottom; 454 | return this; 455 | } 456 | 457 | public Cell padRight (Value padRight) { 458 | this.padRight = padRight; 459 | return this; 460 | } 461 | 462 | /** Sets the padTop, padLeft, padBottom, and padRight to the specified value. */ 463 | public Cell pad (float pad) { 464 | Value value = new FixedValue(pad); 465 | padTop = value; 466 | padLeft = value; 467 | padBottom = value; 468 | padRight = value; 469 | return this; 470 | } 471 | 472 | public Cell pad (float top, float left, float bottom, float right) { 473 | padTop = new FixedValue(top); 474 | padLeft = new FixedValue(left); 475 | padBottom = new FixedValue(bottom); 476 | padRight = new FixedValue(right); 477 | return this; 478 | } 479 | 480 | public Cell padTop (float padTop) { 481 | this.padTop = new FixedValue(padTop); 482 | return this; 483 | } 484 | 485 | public Cell padLeft (float padLeft) { 486 | this.padLeft = new FixedValue(padLeft); 487 | return this; 488 | } 489 | 490 | public Cell padBottom (float padBottom) { 491 | this.padBottom = new FixedValue(padBottom); 492 | return this; 493 | } 494 | 495 | public Cell padRight (float padRight) { 496 | this.padRight = new FixedValue(padRight); 497 | return this; 498 | } 499 | 500 | /** Sets fillX and fillY to 1. */ 501 | public Cell fill () { 502 | fillX = 1f; 503 | fillY = 1f; 504 | return this; 505 | } 506 | 507 | /** Sets fillX to 1. */ 508 | public Cell fillX () { 509 | fillX = 1f; 510 | return this; 511 | } 512 | 513 | /** Sets fillY to 1. */ 514 | public Cell fillY () { 515 | fillY = 1f; 516 | return this; 517 | } 518 | 519 | public Cell fill (Float x, Float y) { 520 | fillX = x; 521 | fillY = y; 522 | return this; 523 | } 524 | 525 | /** Sets fillX and fillY to 1 if true, 0 if false. */ 526 | public Cell fill (boolean x, boolean y) { 527 | fillX = x ? 1f : 0; 528 | fillY = y ? 1f : 0; 529 | return this; 530 | } 531 | 532 | /** Sets fillX and fillY to 1 if true, 0 if false. */ 533 | public Cell fill (boolean fill) { 534 | fillX = fill ? 1f : 0; 535 | fillY = fill ? 1f : 0; 536 | return this; 537 | } 538 | 539 | /** Sets the alignment of the widget within the cell. Set to {@link #CENTER}, {@link #TOP}, {@link #BOTTOM}, {@link #LEFT}, 540 | * {@link #RIGHT}, or any combination of those. */ 541 | public Cell align (Integer align) { 542 | this.align = align; 543 | return this; 544 | } 545 | 546 | /** Sets the alignment of the widget within the cell to {@link #CENTER}. This clears any other alignment. */ 547 | public Cell center () { 548 | align = CENTER; 549 | return this; 550 | } 551 | 552 | /** Adds {@link #TOP} and clears {@link #BOTTOM} for the alignment of the widget within the cell. */ 553 | public Cell top () { 554 | if (align == null) 555 | align = TOP; 556 | else { 557 | align |= TOP; 558 | align &= ~BOTTOM; 559 | } 560 | return this; 561 | } 562 | 563 | /** Adds {@link #LEFT} and clears {@link #RIGHT} for the alignment of the widget within the cell. */ 564 | public Cell left () { 565 | if (align == null) 566 | align = LEFT; 567 | else { 568 | align |= LEFT; 569 | align &= ~RIGHT; 570 | } 571 | return this; 572 | } 573 | 574 | /** Adds {@link #BOTTOM} and clears {@link #TOP} for the alignment of the widget within the cell. */ 575 | public Cell bottom () { 576 | if (align == null) 577 | align = BOTTOM; 578 | else { 579 | align |= BOTTOM; 580 | align &= ~TOP; 581 | } 582 | return this; 583 | } 584 | 585 | /** Adds {@link #RIGHT} and clears {@link #LEFT} for the alignment of the widget within the cell. */ 586 | public Cell right () { 587 | if (align == null) 588 | align = RIGHT; 589 | else { 590 | align |= RIGHT; 591 | align &= ~LEFT; 592 | } 593 | return this; 594 | } 595 | 596 | /** Sets expandX and expandY to 1. */ 597 | public Cell expand () { 598 | expandX = 1; 599 | expandY = 1; 600 | return this; 601 | } 602 | 603 | /** Sets expandX to 1. */ 604 | public Cell expandX () { 605 | expandX = 1; 606 | return this; 607 | } 608 | 609 | /** Sets expandY to 1. */ 610 | public Cell expandY () { 611 | expandY = 1; 612 | return this; 613 | } 614 | 615 | public Cell expand (Integer x, Integer y) { 616 | expandX = x; 617 | expandY = y; 618 | return this; 619 | } 620 | 621 | /** Sets expandX and expandY to 1 if true, 0 if false. */ 622 | public Cell expand (boolean x, boolean y) { 623 | expandX = x ? 1 : 0; 624 | expandY = y ? 1 : 0; 625 | return this; 626 | } 627 | 628 | public Cell ignore (Boolean ignore) { 629 | this.ignore = ignore; 630 | return this; 631 | } 632 | 633 | /** Sets ignore to true. */ 634 | public Cell ignore () { 635 | this.ignore = true; 636 | return this; 637 | } 638 | 639 | public boolean getIgnore () { 640 | return ignore != null && ignore == true; 641 | } 642 | 643 | public Cell colspan (Integer colspan) { 644 | this.colspan = colspan; 645 | return this; 646 | } 647 | 648 | /** Sets uniformX and uniformY to true. */ 649 | public Cell uniform () { 650 | uniformX = true; 651 | uniformY = true; 652 | return this; 653 | } 654 | 655 | /** Sets uniformX to true. */ 656 | public Cell uniformX () { 657 | uniformX = true; 658 | return this; 659 | } 660 | 661 | /** Sets uniformY to true. */ 662 | public Cell uniformY () { 663 | uniformY = true; 664 | return this; 665 | } 666 | 667 | public Cell uniform (Boolean x, Boolean y) { 668 | uniformX = x; 669 | uniformY = y; 670 | return this; 671 | } 672 | 673 | public float getWidgetX () { 674 | return widgetX; 675 | } 676 | 677 | public void setWidgetX (float widgetX) { 678 | this.widgetX = widgetX; 679 | } 680 | 681 | public float getWidgetY () { 682 | return widgetY; 683 | } 684 | 685 | public void setWidgetY (float widgetY) { 686 | this.widgetY = widgetY; 687 | } 688 | 689 | public float getWidgetWidth () { 690 | return widgetWidth; 691 | } 692 | 693 | public void setWidgetWidth (float widgetWidth) { 694 | this.widgetWidth = widgetWidth; 695 | } 696 | 697 | public float getWidgetHeight () { 698 | return widgetHeight; 699 | } 700 | 701 | public void setWidgetHeight (float widgetHeight) { 702 | this.widgetHeight = widgetHeight; 703 | } 704 | 705 | public int getColumn () { 706 | return column; 707 | } 708 | 709 | public int getRow () { 710 | return row; 711 | } 712 | 713 | /** @return May be null if this cell is row defaults. */ 714 | public Value getMinWidthValue () { 715 | return minWidth; 716 | } 717 | 718 | public float getMinWidth () { 719 | return minWidth == null ? 0 : minWidth.width(this); 720 | } 721 | 722 | /** @return May be null if this cell is row defaults. */ 723 | public Value getMinHeightValue () { 724 | return minHeight; 725 | } 726 | 727 | public float getMinHeight () { 728 | return minHeight == null ? 0 : minHeight.height(this); 729 | } 730 | 731 | /** @return May be null if this cell is row defaults. */ 732 | public Value getPrefWidthValue () { 733 | return prefWidth; 734 | } 735 | 736 | public float getPrefWidth () { 737 | return prefWidth == null ? 0 : prefWidth.width(this); 738 | } 739 | 740 | /** @return May be null if this cell is row defaults. */ 741 | public Value getPrefHeightValue () { 742 | return prefHeight; 743 | } 744 | 745 | public float getPrefHeight () { 746 | return prefHeight == null ? 0 : prefHeight.height(this); 747 | } 748 | 749 | /** @return May be null if this cell is row defaults. */ 750 | public Value getMaxWidthValue () { 751 | return maxWidth; 752 | } 753 | 754 | public float getMaxWidth () { 755 | return maxWidth == null ? 0 : maxWidth.width(this); 756 | } 757 | 758 | /** @return May be null if this cell is row defaults. */ 759 | public Value getMaxHeightValue () { 760 | return maxHeight; 761 | } 762 | 763 | public float getMaxHeight () { 764 | return maxHeight == null ? 0 : maxHeight.height(this); 765 | } 766 | 767 | /** @return May be null if this value is not set. */ 768 | public Value getSpaceTopValue () { 769 | return spaceTop; 770 | } 771 | 772 | public float getSpaceTop () { 773 | return spaceTop == null ? 0 : spaceTop.height(this); 774 | } 775 | 776 | /** @return May be null if this value is not set. */ 777 | public Value getSpaceLeftValue () { 778 | return spaceLeft; 779 | } 780 | 781 | public float getSpaceLeft () { 782 | return spaceLeft == null ? 0 : spaceLeft.width(this); 783 | } 784 | 785 | /** @return May be null if this value is not set. */ 786 | public Value getSpaceBottomValue () { 787 | return spaceBottom; 788 | } 789 | 790 | public float getSpaceBottom () { 791 | return spaceBottom == null ? 0 : spaceBottom.height(this); 792 | } 793 | 794 | /** @return May be null if this value is not set. */ 795 | public Value getSpaceRightValue () { 796 | return spaceRight; 797 | } 798 | 799 | public float getSpaceRight () { 800 | return spaceRight == null ? 0 : spaceRight.width(this); 801 | } 802 | 803 | /** @return May be null if this value is not set. */ 804 | public Value getPadTopValue () { 805 | return padTop; 806 | } 807 | 808 | public float getPadTop () { 809 | return padTop == null ? 0 : padTop.height(this); 810 | } 811 | 812 | /** @return May be null if this value is not set. */ 813 | public Value getPadLeftValue () { 814 | return padLeft; 815 | } 816 | 817 | public float getPadLeft () { 818 | return padLeft == null ? 0 : padLeft.width(this); 819 | } 820 | 821 | /** @return May be null if this value is not set. */ 822 | public Value getPadBottomValue () { 823 | return padBottom; 824 | } 825 | 826 | public float getPadBottom () { 827 | return padBottom == null ? 0 : padBottom.height(this); 828 | } 829 | 830 | /** @return May be null if this value is not set. */ 831 | public Value getPadRightValue () { 832 | return padRight; 833 | } 834 | 835 | public float getPadRight () { 836 | return padRight == null ? 0 : padRight.width(this); 837 | } 838 | 839 | /** @return May be null if this value is not set. */ 840 | public Float getFillX () { 841 | return fillX; 842 | } 843 | 844 | /** @return May be null. */ 845 | public Float getFillY () { 846 | return fillY; 847 | } 848 | 849 | /** @return May be null. */ 850 | public Integer getAlign () { 851 | return align; 852 | } 853 | 854 | /** @return May be null. */ 855 | public Integer getExpandX () { 856 | return expandX; 857 | } 858 | 859 | /** @return May be null. */ 860 | public Integer getExpandY () { 861 | return expandY; 862 | } 863 | 864 | /** @return May be null. */ 865 | public Integer getColspan () { 866 | return colspan; 867 | } 868 | 869 | /** @return May be null. */ 870 | public Boolean getUniformX () { 871 | return uniformX; 872 | } 873 | 874 | /** @return May be null. */ 875 | public Boolean getUniformY () { 876 | return uniformY; 877 | } 878 | 879 | /** Returns true if this cell is the last cell in the row. */ 880 | public boolean isEndRow () { 881 | return endRow; 882 | } 883 | 884 | /** The actual amount of combined padding and spacing from the last layout. */ 885 | public float getComputedPadTop () { 886 | return computedPadTop; 887 | } 888 | 889 | /** The actual amount of combined padding and spacing from the last layout. */ 890 | public float getComputedPadLeft () { 891 | return computedPadLeft; 892 | } 893 | 894 | /** The actual amount of combined padding and spacing from the last layout. */ 895 | public float getComputedPadBottom () { 896 | return computedPadBottom; 897 | } 898 | 899 | /** The actual amount of combined padding and spacing from the last layout. */ 900 | public float getComputedPadRight () { 901 | return computedPadRight; 902 | } 903 | 904 | public Cell row () { 905 | return layout.row(); 906 | } 907 | 908 | public BaseTableLayout getLayout () { 909 | return layout; 910 | } 911 | 912 | /** Sets all constraint fields to null. */ 913 | public void clear () { 914 | minWidth = null; 915 | minHeight = null; 916 | prefWidth = null; 917 | prefHeight = null; 918 | maxWidth = null; 919 | maxHeight = null; 920 | spaceTop = null; 921 | spaceLeft = null; 922 | spaceBottom = null; 923 | spaceRight = null; 924 | padTop = null; 925 | padLeft = null; 926 | padBottom = null; 927 | padRight = null; 928 | fillX = null; 929 | fillY = null; 930 | align = null; 931 | expandX = null; 932 | expandY = null; 933 | ignore = null; 934 | colspan = null; 935 | uniformX = null; 936 | uniformY = null; 937 | } 938 | 939 | /** Reset state so the cell can be reused. Doesn't reset the constraint fields. */ 940 | public void free () { 941 | widget = null; 942 | layout = null; 943 | endRow = false; 944 | cellAboveIndex = -1; 945 | } 946 | 947 | /** Set all constraints to cell default values. */ 948 | void defaults () { 949 | minWidth = Value.minWidth; 950 | minHeight = Value.minHeight; 951 | prefWidth = Value.prefWidth; 952 | prefHeight = Value.prefHeight; 953 | maxWidth = Value.maxWidth; 954 | maxHeight = Value.maxHeight; 955 | spaceTop = Value.zero; 956 | spaceLeft = Value.zero; 957 | spaceBottom = Value.zero; 958 | spaceRight = Value.zero; 959 | padTop = Value.zero; 960 | padLeft = Value.zero; 961 | padBottom = Value.zero; 962 | padRight = Value.zero; 963 | fillX = 0f; 964 | fillY = 0f; 965 | align = CENTER; 966 | expandX = 0; 967 | expandY = 0; 968 | ignore = false; 969 | colspan = 1; 970 | uniformX = null; 971 | uniformY = null; 972 | } 973 | } 974 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/Toolkit.java: -------------------------------------------------------------------------------- 1 | /******************************************************************************* 2 | * Copyright (c) 2011, Nathan Sweet 3 | * All rights reserved. 4 | * 5 | * Redistribution and use in source and binary forms, with or without 6 | * modification, are permitted provided that the following conditions are met: 7 | * * Redistributions of source code must retain the above copyright 8 | * notice, this list of conditions and the following disclaimer. 9 | * * Redistributions in binary form must reproduce the above copyright 10 | * notice, this list of conditions and the following disclaimer in the 11 | * documentation and/or other materials provided with the distribution. 12 | * * Neither the name of the nor the 13 | * names of its contributors may be used to endorse or promote products 14 | * derived from this software without specific prior written permission. 15 | * 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 | * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 | ******************************************************************************/ 27 | 28 | package com.esotericsoftware.tablelayout; 29 | 30 | import com.esotericsoftware.tablelayout.BaseTableLayout.Debug; 31 | 32 | /** Base class for UI toolkit. 33 | * @author Nathan Sweet */ 34 | public abstract class Toolkit { 35 | static public Toolkit instance; 36 | 37 | abstract public Cell obtainCell (L layout); 38 | 39 | abstract public void freeCell (Cell cell); 40 | 41 | abstract public void addChild (C parent, C child); 42 | 43 | abstract public void removeChild (C parent, C child); 44 | 45 | abstract public float getMinWidth (C widget); 46 | 47 | abstract public float getMinHeight (C widget); 48 | 49 | abstract public float getPrefWidth (C widget); 50 | 51 | abstract public float getPrefHeight (C widget); 52 | 53 | abstract public float getMaxWidth (C widget); 54 | 55 | abstract public float getMaxHeight (C widget); 56 | 57 | abstract public float getWidth (C widget); 58 | 59 | abstract public float getHeight (C widget); 60 | 61 | /** Clears all debugging rectangles. */ 62 | abstract public void clearDebugRectangles (L layout); 63 | 64 | /** Adds a rectangle that should be drawn for debugging. */ 65 | abstract public void addDebugRectangle (L layout, Debug type, float x, float y, float w, float h); 66 | 67 | /** @param widget May be null. */ 68 | public void setWidget (L layout, Cell cell, C widget) { 69 | if (cell.widget == widget) return; 70 | removeChild((T)layout.table, (C)cell.widget); 71 | cell.widget = widget; 72 | if (widget != null) addChild((T)layout.table, widget); 73 | } 74 | 75 | /** Interprets the specified value as a size. This can be used to scale all sizes applied to a table. The default implementation 76 | * returns the value unmodified. 77 | * @see Value#width(Object) 78 | * @see Value#width(Cell) */ 79 | public float width (float value) { 80 | return value; 81 | } 82 | 83 | /** Interprets the specified value as a size. This can be used to scale all sizes applied to a table. The default implementation 84 | * returns the value unmodified. 85 | * @see Value#height(Object) 86 | * @see Value#height(Cell) */ 87 | public float height (float value) { 88 | return value; 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/Value.java: -------------------------------------------------------------------------------- 1 | /******************************************************************************* 2 | * Copyright (c) 2011, Nathan Sweet 3 | * All rights reserved. 4 | * 5 | * Redistribution and use in source and binary forms, with or without 6 | * modification, are permitted provided that the following conditions are met: 7 | * * Redistributions of source code must retain the above copyright 8 | * notice, this list of conditions and the following disclaimer. 9 | * * Redistributions in binary form must reproduce the above copyright 10 | * notice, this list of conditions and the following disclaimer in the 11 | * documentation and/or other materials provided with the distribution. 12 | * * Neither the name of the nor the 13 | * names of its contributors may be used to endorse or promote products 14 | * derived from this software without specific prior written permission. 15 | * 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 | * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 | ******************************************************************************/ 27 | 28 | package com.esotericsoftware.tablelayout; 29 | 30 | /** Base class for a table or cell property value. Values are provided a table or cell for context. Eg, the value may compute its 31 | * size taking into consideration the size of the table or the widget in the cell. Some values may be only valid for use with 32 | * either call. 33 | * @author Nathan Sweet */ 34 | abstract public class Value { 35 | /** Returns the value in the context of the specified table. */ 36 | abstract public float get (Object table); 37 | 38 | /** Returns the value in the context of the specified cell. */ 39 | abstract public float get (Cell cell); 40 | 41 | /** Returns the value in the context of a width for the specified table. */ 42 | public float width (Object table) { 43 | return Toolkit.instance.width(get(table)); 44 | } 45 | 46 | /** Returns the value in the context of a height for the specified table. */ 47 | public float height (Object table) { 48 | return Toolkit.instance.height(get(table)); 49 | } 50 | 51 | /** Returns the value in the context of a width for the specified cell. */ 52 | public float width (Cell cell) { 53 | return Toolkit.instance.width(get(cell)); 54 | } 55 | 56 | /** Returns the value in the context of a height for the specified cell. */ 57 | public float height (Cell cell) { 58 | return Toolkit.instance.height(get(cell)); 59 | } 60 | 61 | /** A value that is always zero. */ 62 | static public final Value zero = new CellValue() { 63 | public float get (Cell cell) { 64 | return 0; 65 | } 66 | 67 | public float get (Object table) { 68 | return 0; 69 | } 70 | }; 71 | 72 | /** A value that is only valid for use with a cell. 73 | * @author Nathan Sweet */ 74 | static abstract public class CellValue extends Value { 75 | public float get (Object table) { 76 | throw new UnsupportedOperationException("This value can only be used for a cell property."); 77 | } 78 | } 79 | 80 | /** A value that is valid for use with a table or a cell. 81 | * @author Nathan Sweet */ 82 | static abstract public class TableValue extends Value { 83 | public float get (Cell cell) { 84 | return get(cell.getLayout().getTable()); 85 | } 86 | } 87 | 88 | /** A fixed value that is not computed each time it is used. 89 | * @author Nathan Sweet */ 90 | static public class FixedValue extends Value { 91 | private float value; 92 | 93 | public FixedValue (float value) { 94 | this.value = value; 95 | } 96 | 97 | public void set (float value) { 98 | this.value = value; 99 | } 100 | 101 | public float get (Object table) { 102 | return value; 103 | } 104 | 105 | public float get (Cell cell) { 106 | return value; 107 | } 108 | } 109 | 110 | /** Value for a cell that is the minWidth of the widget in the cell. */ 111 | static public Value minWidth = new CellValue() { 112 | public float get (Cell cell) { 113 | if (cell == null) throw new RuntimeException("minWidth can only be set on a cell property."); 114 | Object widget = cell.widget; 115 | if (widget == null) return 0; 116 | return Toolkit.instance.getMinWidth(widget); 117 | } 118 | }; 119 | 120 | /** Value for a cell that is the minHeight of the widget in the cell. */ 121 | static public Value minHeight = new CellValue() { 122 | public float get (Cell cell) { 123 | if (cell == null) throw new RuntimeException("minHeight can only be set on a cell property."); 124 | Object widget = cell.widget; 125 | if (widget == null) return 0; 126 | return Toolkit.instance.getMinHeight(widget); 127 | } 128 | }; 129 | 130 | /** Value for a cell that is the prefWidth of the widget in the cell. */ 131 | static public Value prefWidth = new CellValue() { 132 | public float get (Cell cell) { 133 | if (cell == null) throw new RuntimeException("prefWidth can only be set on a cell property."); 134 | Object widget = cell.widget; 135 | if (widget == null) return 0; 136 | return Toolkit.instance.getPrefWidth(widget); 137 | } 138 | }; 139 | 140 | /** Value for a cell that is the prefHeight of the widget in the cell. */ 141 | static public Value prefHeight = new CellValue() { 142 | public float get (Cell cell) { 143 | if (cell == null) throw new RuntimeException("prefHeight can only be set on a cell property."); 144 | Object widget = cell.widget; 145 | if (widget == null) return 0; 146 | return Toolkit.instance.getPrefHeight(widget); 147 | } 148 | }; 149 | 150 | /** Value for a cell that is the maxWidth of the widget in the cell. */ 151 | static public Value maxWidth = new CellValue() { 152 | public float get (Cell cell) { 153 | if (cell == null) throw new RuntimeException("maxWidth can only be set on a cell property."); 154 | Object widget = cell.widget; 155 | if (widget == null) return 0; 156 | return Toolkit.instance.getMaxWidth(widget); 157 | } 158 | }; 159 | 160 | /** Value for a cell that is the maxHeight of the widget in the cell. */ 161 | static public Value maxHeight = new CellValue() { 162 | public float get (Cell cell) { 163 | if (cell == null) throw new RuntimeException("maxHeight can only be set on a cell property."); 164 | Object widget = cell.widget; 165 | if (widget == null) return 0; 166 | return Toolkit.instance.getMaxHeight(widget); 167 | } 168 | }; 169 | 170 | /** Returns a value that is a percentage of the table's width. */ 171 | static public Value percentWidth (final float percent) { 172 | return new TableValue() { 173 | public float get (Object table) { 174 | return Toolkit.instance.getWidth(table) * percent; 175 | } 176 | }; 177 | } 178 | 179 | /** Returns a value that is a percentage of the table's height. */ 180 | static public Value percentHeight (final float percent) { 181 | return new TableValue() { 182 | public float get (Object table) { 183 | return Toolkit.instance.getHeight(table) * percent; 184 | } 185 | }; 186 | } 187 | 188 | /** Returns a value that is a percentage of the specified widget's width. */ 189 | static public Value percentWidth (final float percent, final Object widget) { 190 | return new Value() { 191 | public float get (Cell cell) { 192 | return Toolkit.instance.getWidth(widget) * percent; 193 | } 194 | 195 | public float get (Object table) { 196 | return Toolkit.instance.getWidth(widget) * percent; 197 | } 198 | }; 199 | } 200 | 201 | /** Returns a value that is a percentage of the specified widget's height. */ 202 | static public Value percentHeight (final float percent, final Object widget) { 203 | return new TableValue() { 204 | public float get (Object table) { 205 | return Toolkit.instance.getHeight(widget) * percent; 206 | } 207 | }; 208 | } 209 | } 210 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/swing/Stack.java: -------------------------------------------------------------------------------- 1 | 2 | package com.esotericsoftware.tablelayout.swing; 3 | 4 | import java.awt.Component; 5 | import java.awt.Container; 6 | import java.awt.Dimension; 7 | import java.awt.Graphics; 8 | import java.awt.LayoutManager; 9 | 10 | import javax.swing.JPanel; 11 | 12 | public class Stack extends JPanel { 13 | public Stack () { 14 | super(new LayoutManager() { 15 | public void layoutContainer (Container parent) { 16 | int width = parent.getWidth(); 17 | int height = parent.getHeight(); 18 | for (int i = 0, n = parent.getComponentCount(); i < n; i++) { 19 | parent.getComponent(i).setLocation(0, 0); 20 | parent.getComponent(i).setSize(width, height); 21 | } 22 | } 23 | 24 | public Dimension preferredLayoutSize (Container parent) { 25 | Dimension size = new Dimension(); 26 | for (int i = 0, n = parent.getComponentCount(); i < n; i++) { 27 | Dimension pref = parent.getComponent(i).getPreferredSize(); 28 | size.width = Math.max(size.width, pref.width); 29 | size.height = Math.max(size.height, pref.height); 30 | } 31 | return size; 32 | } 33 | 34 | public Dimension minimumLayoutSize (Container parent) { 35 | Dimension size = new Dimension(); 36 | for (int i = 0, n = parent.getComponentCount(); i < n; i++) { 37 | Dimension min = parent.getComponent(i).getMinimumSize(); 38 | size.width = Math.max(size.width, min.width); 39 | size.height = Math.max(size.height, min.height); 40 | } 41 | return size; 42 | } 43 | 44 | public void addLayoutComponent (String name, Component comp) { 45 | } 46 | 47 | public void removeLayoutComponent (Component comp) { 48 | } 49 | }); 50 | } 51 | 52 | protected void paintChildren (Graphics g) { 53 | super.paintChildren(g); 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/swing/SwingToolkit.java: -------------------------------------------------------------------------------- 1 | 2 | package com.esotericsoftware.tablelayout.swing; 3 | 4 | import com.esotericsoftware.tablelayout.BaseTableLayout.Debug; 5 | import com.esotericsoftware.tablelayout.Cell; 6 | import com.esotericsoftware.tablelayout.Toolkit; 7 | 8 | import java.awt.Component; 9 | import java.awt.Container; 10 | import java.awt.EventQueue; 11 | import java.util.ArrayList; 12 | import java.util.Timer; 13 | import java.util.TimerTask; 14 | 15 | import javax.swing.JScrollPane; 16 | 17 | class SwingToolkit extends Toolkit { 18 | static Timer timer; 19 | static ArrayList debugLayouts = new ArrayList(0); 20 | 21 | public Cell obtainCell (TableLayout layout) { 22 | Cell cell = new Cell(); 23 | cell.setLayout(layout); 24 | return cell; 25 | } 26 | 27 | public void freeCell (Cell cell) { 28 | } 29 | 30 | public void addChild (Component parent, Component child) { 31 | if (parent instanceof JScrollPane) 32 | ((JScrollPane)parent).setViewportView(child); 33 | else 34 | ((Container)parent).add(child); 35 | } 36 | 37 | public void removeChild (Component parent, Component child) { 38 | ((Container)parent).remove(child); 39 | } 40 | 41 | public float getMinWidth (Component widget) { 42 | return widget.getMinimumSize().width; 43 | } 44 | 45 | public float getMinHeight (Component widget) { 46 | return widget.getMinimumSize().height; 47 | } 48 | 49 | public float getPrefWidth (Component widget) { 50 | return widget.getPreferredSize().width; 51 | } 52 | 53 | public float getPrefHeight (Component widget) { 54 | return widget.getPreferredSize().height; 55 | } 56 | 57 | public float getMaxWidth (Component widget) { 58 | return widget.getMaximumSize().width; 59 | } 60 | 61 | public float getMaxHeight (Component widget) { 62 | return widget.getMaximumSize().height; 63 | } 64 | 65 | public float getWidth (Component widget) { 66 | return widget.getWidth(); 67 | } 68 | 69 | public float getHeight (Component widget) { 70 | return widget.getHeight(); 71 | } 72 | 73 | public void clearDebugRectangles (TableLayout layout) { 74 | if (layout.debugRects != null) debugLayouts.remove(this); 75 | layout.debugRects = null; 76 | } 77 | 78 | public void addDebugRectangle (TableLayout layout, Debug type, float x, float y, float w, float h) { 79 | if (layout.debugRects == null) { 80 | layout.debugRects = new ArrayList(); 81 | debugLayouts.add(layout); 82 | } 83 | layout.debugRects.add(new DebugRect(type, x, y, w, h)); 84 | } 85 | 86 | static void startDebugTimer () { 87 | if (timer != null) return; 88 | timer = new Timer("TableLayout Debug", true); 89 | timer.schedule(newDebugTask(), 100); 90 | } 91 | 92 | static TimerTask newDebugTask () { 93 | return new TimerTask() { 94 | public void run () { 95 | if (!EventQueue.isDispatchThread()) { 96 | EventQueue.invokeLater(this); 97 | return; 98 | } 99 | for (TableLayout layout : debugLayouts) 100 | layout.drawDebug(); 101 | timer.schedule(newDebugTask(), 250); 102 | } 103 | }; 104 | } 105 | 106 | static class DebugRect { 107 | final Debug type; 108 | final int x, y, width, height; 109 | 110 | public DebugRect (Debug type, float x, float y, float width, float height) { 111 | this.x = (int)x; 112 | this.y = (int)y; 113 | this.width = (int)(width - 1); 114 | this.height = (int)(height - 1); 115 | this.type = type; 116 | } 117 | } 118 | } 119 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/swing/Table.java: -------------------------------------------------------------------------------- 1 | 2 | package com.esotericsoftware.tablelayout.swing; 3 | 4 | import com.esotericsoftware.tablelayout.BaseTableLayout; 5 | import com.esotericsoftware.tablelayout.BaseTableLayout.Debug; 6 | import com.esotericsoftware.tablelayout.Cell; 7 | import com.esotericsoftware.tablelayout.Toolkit; 8 | import com.esotericsoftware.tablelayout.Value; 9 | 10 | import java.awt.Component; 11 | import java.awt.Container; 12 | import java.awt.Dimension; 13 | import java.awt.LayoutManager; 14 | import java.util.List; 15 | 16 | import javax.swing.JComponent; 17 | import javax.swing.JLabel; 18 | 19 | public class Table extends JComponent { 20 | static { 21 | Toolkit.instance = new SwingToolkit(); 22 | } 23 | 24 | private final TableLayout layout; 25 | 26 | public Table () { 27 | this(new TableLayout()); 28 | } 29 | 30 | public Table (final TableLayout layout) { 31 | this.layout = layout; 32 | layout.setTable(this); 33 | 34 | setLayout(new LayoutManager() { 35 | private Dimension minSize = new Dimension(), prefSize = new Dimension(); 36 | 37 | public Dimension preferredLayoutSize (Container parent) { 38 | layout.layout(); // BOZO - Cache layout? 39 | prefSize.width = (int)layout.getMinWidth(); 40 | prefSize.height = (int)layout.getMinHeight(); 41 | return prefSize; 42 | } 43 | 44 | public Dimension minimumLayoutSize (Container parent) { 45 | layout.layout(); // BOZO - Cache layout? 46 | minSize.width = (int)layout.getMinWidth(); 47 | minSize.height = (int)layout.getMinHeight(); 48 | return minSize; 49 | } 50 | 51 | public void layoutContainer (Container ignored) { 52 | layout.layout(); 53 | } 54 | 55 | public void addLayoutComponent (String name, Component comp) { 56 | } 57 | 58 | public void removeLayoutComponent (Component comp) { 59 | } 60 | }); 61 | } 62 | 63 | /** Removes all Components and cells from the table. */ 64 | public void clear () { 65 | layout.clear(); 66 | invalidate(); 67 | } 68 | 69 | public Cell addCell (String text) { 70 | return addCell(new JLabel(text)); 71 | } 72 | 73 | /** Adds a cell with a placeholder Component. */ 74 | public Cell addCell () { 75 | return addCell((Component)null); 76 | } 77 | 78 | /** Adds a new cell to the table with the specified Component. 79 | * @see TableLayout#add(Component) 80 | * @param Component May be null to add a cell without an Component. */ 81 | public Cell addCell (Component Component) { 82 | return layout.add(Component); 83 | } 84 | 85 | /** Adds a new cell to the table with the specified Components in a {@link Stack}. 86 | * @param components May be null to add a cell without an Component. */ 87 | public Cell stack (Component... components) { 88 | Stack stack = new Stack(); 89 | for (int i = 0, n = components.length; i < n; i++) 90 | stack.add(components[i]); 91 | return addCell(stack); 92 | } 93 | 94 | /** Indicates that subsequent cells should be added to a new row and returns the cell values that will be used as the defaults 95 | * for all cells in the new row. 96 | * @see TableLayout#row() */ 97 | public Cell row () { 98 | return layout.row(); 99 | } 100 | 101 | /** Gets the cell values that will be used as the defaults for all cells in the specified column. 102 | * @see TableLayout#columnDefaults(int) */ 103 | public Cell columnDefaults (int column) { 104 | return layout.columnDefaults(column); 105 | } 106 | 107 | /** The cell values that will be used as the defaults for all cells. 108 | * @see TableLayout#defaults() */ 109 | public Cell defaults () { 110 | return layout.defaults(); 111 | } 112 | 113 | /** Positions and sizes children of the Component being laid out using the cell associated with each child. 114 | * @see TableLayout#layout() */ 115 | public void layout () { 116 | layout.layout(); 117 | } 118 | 119 | /** Removes all Components and cells from the table (same as {@link #clear()}) and additionally resets all table properties and 120 | * cell, column, and row defaults. 121 | * @see TableLayout#reset() */ 122 | public void reset () { 123 | layout.reset(); 124 | } 125 | 126 | /** Returns the cell for the specified Component, anywhere in the table hierarchy. 127 | * @see TableLayout#getCell(Component) */ 128 | public Cell getCell (Component Component) { 129 | return layout.getCell(Component); 130 | } 131 | 132 | /** Returns the cells for this table. 133 | * @see TableLayout#getCells() */ 134 | public List getCells () { 135 | return layout.getCells(); 136 | } 137 | 138 | /** Padding around the table. 139 | * @see TableLayout#pad(Value) */ 140 | public Table pad (Value pad) { 141 | layout.pad(pad); 142 | return this; 143 | } 144 | 145 | /** Padding around the table. 146 | * @see TableLayout#pad(Value, Value, Value, Value) */ 147 | public Table pad (Value top, Value left, Value bottom, Value right) { 148 | layout.pad(top, left, bottom, right); 149 | return this; 150 | } 151 | 152 | /** Padding at the top of the table. 153 | * @see TableLayout#padTop(Value) */ 154 | public Table padTop (Value padTop) { 155 | layout.padTop(padTop); 156 | return this; 157 | } 158 | 159 | /** Padding at the left of the table. 160 | * @see TableLayout#padLeft(Value) */ 161 | public Table padLeft (Value padLeft) { 162 | layout.padLeft(padLeft); 163 | return this; 164 | } 165 | 166 | /** Padding at the bottom of the table. 167 | * @see TableLayout#padBottom(Value) */ 168 | public Table padBottom (Value padBottom) { 169 | layout.padBottom(padBottom); 170 | return this; 171 | } 172 | 173 | /** Padding at the right of the table. 174 | * @see TableLayout#padRight(Value) */ 175 | public Table padRight (Value padRight) { 176 | layout.padRight(padRight); 177 | return this; 178 | } 179 | 180 | /** Padding around the table. 181 | * @see TableLayout#pad(float) */ 182 | public Table pad (int pad) { 183 | layout.pad(pad); 184 | return this; 185 | } 186 | 187 | /** Padding around the table. 188 | * @see TableLayout#pad(float, float, float, float) */ 189 | public Table pad (int top, int left, int bottom, int right) { 190 | layout.pad(top, left, bottom, right); 191 | return this; 192 | } 193 | 194 | /** Padding at the top of the table. 195 | * @see TableLayout#padTop(float) */ 196 | public Table padTop (int padTop) { 197 | layout.padTop(padTop); 198 | return this; 199 | } 200 | 201 | /** Padding at the left of the table. 202 | * @see TableLayout#padLeft(float) */ 203 | public Table padLeft (int padLeft) { 204 | layout.padLeft(padLeft); 205 | return this; 206 | } 207 | 208 | /** Padding at the bottom of the table. 209 | * @see TableLayout#padBottom(float) */ 210 | public Table padBottom (int padBottom) { 211 | layout.padBottom(padBottom); 212 | return this; 213 | } 214 | 215 | /** Padding at the right of the table. 216 | * @see TableLayout#padRight(float) */ 217 | public Table padRight (int padRight) { 218 | layout.padRight(padRight); 219 | return this; 220 | } 221 | 222 | /** Alignment of the table within the Component being laid out. Set to {@link BaseTableLayout#CENTER}, 223 | * {@link BaseTableLayout#TOP}, {@link BaseTableLayout#BOTTOM} , {@link BaseTableLayout#LEFT} , {@link BaseTableLayout#RIGHT}, 224 | * or any combination of those. 225 | * @see TableLayout#align(int) */ 226 | public Table align (int align) { 227 | layout.align(align); 228 | return this; 229 | } 230 | 231 | /** Sets the alignment of the table within the Component being laid out to {@link BaseTableLayout#CENTER}. 232 | * @see TableLayout#center() */ 233 | public Table center () { 234 | layout.center(); 235 | return this; 236 | } 237 | 238 | /** Sets the alignment of the table within the Component being laid out to {@link BaseTableLayout#TOP}. 239 | * @see TableLayout#top() */ 240 | public Table top () { 241 | layout.top(); 242 | return this; 243 | } 244 | 245 | /** Sets the alignment of the table within the Component being laid out to {@link BaseTableLayout#LEFT}. 246 | * @see TableLayout#left() */ 247 | public Table left () { 248 | layout.left(); 249 | return this; 250 | } 251 | 252 | /** Sets the alignment of the table within the Component being laid out to {@link BaseTableLayout#BOTTOM}. 253 | * @see TableLayout#bottom() */ 254 | public Table bottom () { 255 | layout.bottom(); 256 | return this; 257 | } 258 | 259 | /** Sets the alignment of the table within the Component being laid out to {@link BaseTableLayout#RIGHT}. 260 | * @see TableLayout#right() */ 261 | public Table right () { 262 | layout.right(); 263 | return this; 264 | } 265 | 266 | /** Turns on all debug lines. 267 | * @see TableLayout#debug() */ 268 | public Table debug () { 269 | layout.debug(); 270 | return this; 271 | } 272 | 273 | /** Turns on debug lines. 274 | * @see TableLayout#debug() */ 275 | public Table debug (Debug debug) { 276 | layout.debug(debug); 277 | return this; 278 | } 279 | 280 | public Debug getDebug () { 281 | return layout.getDebug(); 282 | } 283 | 284 | public Value getPadTop () { 285 | return layout.getPadTopValue(); 286 | } 287 | 288 | public Value getPadLeft () { 289 | return layout.getPadLeftValue(); 290 | } 291 | 292 | public Value getPadBottom () { 293 | return layout.getPadBottomValue(); 294 | } 295 | 296 | public Value getPadRight () { 297 | return layout.getPadRightValue(); 298 | } 299 | 300 | public int getAlign () { 301 | return layout.getAlign(); 302 | } 303 | 304 | public TableLayout getTableLayout () { 305 | return layout; 306 | } 307 | 308 | public void invalidate () { 309 | super.invalidate(); 310 | layout.invalidate(); 311 | } 312 | } 313 | -------------------------------------------------------------------------------- /src/main/java/com/esotericsoftware/tablelayout/swing/TableLayout.java: -------------------------------------------------------------------------------- 1 | 2 | package com.esotericsoftware.tablelayout.swing; 3 | 4 | import java.awt.Color; 5 | import java.awt.Component; 6 | import java.awt.Graphics2D; 7 | import java.awt.Insets; 8 | import java.util.ArrayList; 9 | import java.util.List; 10 | 11 | import com.esotericsoftware.tablelayout.BaseTableLayout; 12 | import com.esotericsoftware.tablelayout.Cell; 13 | import com.esotericsoftware.tablelayout.swing.SwingToolkit.DebugRect; 14 | 15 | class TableLayout extends BaseTableLayout { 16 | ArrayList debugRects; 17 | 18 | public TableLayout () { 19 | super((SwingToolkit)SwingToolkit.instance); 20 | } 21 | 22 | public TableLayout (SwingToolkit toolkit) { 23 | super(toolkit); 24 | } 25 | 26 | public void layout () { 27 | Table table = getTable(); 28 | Insets insets = table.getInsets(); 29 | super.layout(insets.left, insets.top, // 30 | table.getWidth() - insets.left - insets.right, // 31 | table.getHeight() - insets.top - insets.bottom); 32 | 33 | List cells = getCells(); 34 | for (int i = 0, n = cells.size(); i < n; i++) { 35 | Cell c = cells.get(i); 36 | if (c.getIgnore()) continue; 37 | Component component = (Component)c.getWidget(); 38 | component.setLocation((int)c.getWidgetX(), (int)c.getWidgetY()); 39 | component.setSize((int)c.getWidgetWidth(), (int)c.getWidgetHeight()); 40 | } 41 | 42 | if (getDebug() != Debug.none) SwingToolkit.startDebugTimer(); 43 | } 44 | 45 | public void invalidate () { 46 | super.invalidate(); 47 | if (getTable().isValid()) getTable().invalidate(); 48 | } 49 | 50 | public void invalidateHierarchy () { 51 | if (getTable().isValid()) getTable().invalidate(); 52 | } 53 | 54 | void drawDebug () { 55 | Graphics2D g = (Graphics2D)getTable().getGraphics(); 56 | if (g == null) return; 57 | g.setColor(Color.red); 58 | for (DebugRect rect : debugRects) { 59 | if (rect.type == Debug.cell) g.setColor(Color.red); 60 | if (rect.type == Debug.widget) g.setColor(Color.green); 61 | if (rect.type == Debug.table) g.setColor(Color.blue); 62 | g.drawRect(rect.x, rect.y, rect.width, rect.height); 63 | } 64 | } 65 | } 66 | --------------------------------------------------------------------------------