1 package com.billkuker.rocketry.motorsim.visual;
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2 import java.awt.Component;
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3 import java.awt.FileDialog;
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4 import java.awt.Frame;
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5 import java.awt.event.ActionEvent;
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6 import java.awt.event.ActionListener;
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8 import java.io.IOException;
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9 import java.util.HashMap;
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10 import java.util.HashSet;
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11 import java.util.List;
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12 import java.util.Map;
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13 import java.util.Set;
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14 import java.util.Vector;
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16 import javax.swing.JMenu;
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17 import javax.swing.JMenuItem;
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18 import javax.swing.JOptionPane;
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19 import javax.swing.JTabbedPane;
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21 import org.apache.log4j.Logger;
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24 public abstract class MultiObjectEditor<OBJECT, EDITOR extends Component> extends JTabbedPane {
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26 private static final long serialVersionUID = 1L;
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28 private static final Logger log = Logger.getLogger(MultiObjectEditor.class);
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30 protected abstract class ObjectCreator {
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31 public abstract OBJECT newObject();
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32 public abstract String getName();
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35 private final Frame frame;
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37 private final String noun;
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39 private Set<ObjectCreator> creators = new HashSet<ObjectCreator>();
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41 private final Map<OBJECT, EDITOR> objectToEditor = new HashMap<OBJECT, EDITOR>();
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42 private final Map<EDITOR, OBJECT> editorToObject = new HashMap<EDITOR, OBJECT>();
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43 private final Map<File, EDITOR> fileToEditor = new HashMap<File, EDITOR>();
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44 private final Map<EDITOR, File> editorToFile = new HashMap<EDITOR, File>();
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47 private final Set<OBJECT> dirty = new HashSet<OBJECT>();
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49 public MultiObjectEditor(final Frame frame, final String noun){
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51 this.noun = " " + noun.trim();
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54 protected final void addCreator(ObjectCreator c){
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58 public final void dirty(final OBJECT o){
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59 if ( !dirty.contains(o) )
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60 setTitleAt(indexOfComponent(objectToEditor.get(o)), "*" + getTitleAt(indexOfComponent(objectToEditor.get(o))));
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64 public final void dirty(final EDITOR e){
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65 dirty(editorToObject.get(e));
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68 private final void undirty(final OBJECT o){
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69 if ( dirty.contains(o) )
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70 setTitleAt(indexOfComponent(objectToEditor.get(o)), getTitleAt(indexOfComponent(objectToEditor.get(o))).replaceAll("^\\*", ""));
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74 public final JMenu getMenu(){
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75 JMenu ret = new JMenu("File");
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76 for ( JMenuItem i : getMenuItems() )
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81 private void menuNew(ObjectCreator c){
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85 @SuppressWarnings("unchecked")
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86 public EDITOR getSelectedEditor(){
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88 return (EDITOR)super.getSelectedComponent();
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89 } catch ( ClassCastException e ){
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94 private void close(){
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95 EDITOR e = getSelectedEditor();
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96 OBJECT o = editorToObject.get(e);
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97 File f = editorToFile.get(e);
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99 if ( dirty.contains(o) ){
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100 int response = JOptionPane.showConfirmDialog(this, "Object is unsaved. Save Before Closing?", "Confirm", JOptionPane.YES_NO_CANCEL_OPTION);
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101 if ( response == JOptionPane.YES_OPTION ){
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103 } else if ( response == JOptionPane.CANCEL_OPTION ){
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108 objectToEditor.remove(o);
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109 editorToObject.remove(e);
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110 fileToEditor.remove(f);
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111 editorToFile.remove(e);
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115 private void saveDialog(){
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116 EDITOR e = getSelectedEditor();
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117 if ( !editorToFile.containsKey(e) ){
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118 log.debug("Editor has no file, saving as...");
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122 File file = editorToFile.get(e);
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123 log.debug("Saving to " + file.getAbsolutePath());
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125 saveToFile(editorToObject.get(e), file);
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126 undirty(editorToObject.get(e));
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127 } catch (IOException e1) {
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131 private void saveAsDialog(){
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132 EDITOR e = getSelectedEditor();
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133 final FileDialog fd = new FileDialog(frame, "Save" + noun + " As", FileDialog.SAVE);
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134 fd.setVisible(true);
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135 if (fd.getFile() != null ) {
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136 File file = new File(fd.getDirectory() + fd.getFile());
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138 OBJECT o = editorToObject.get(e);
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139 saveToFile(o, file);
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141 objectToEditor.put(o, e);
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142 editorToObject.put(e, o);
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143 fileToEditor.put(file, e);
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144 editorToFile.put(e, file);
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146 getSelectedIndex(),
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148 } catch (Exception e1) {
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154 private void openDialog(){
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155 final FileDialog fd = new FileDialog(frame, "Open" + noun + "...", FileDialog.LOAD);
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156 fd.setVisible(true);
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157 if ( fd.getFile() != null ) {
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158 File file = new File(fd.getDirectory() + fd.getFile());
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159 log.debug("Opening File " + file.getAbsolutePath());
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160 if ( fileToEditor.containsKey(file) ){
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161 log.debug("File " + file.getAbsolutePath() + "Already open, focusing");
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162 setSelectedComponent(fileToEditor.get(file));
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166 OBJECT o = loadFromFile(file);
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167 EDITOR e = createEditor(o);
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168 objectToEditor.put(o, e);
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169 editorToObject.put(e, o);
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170 fileToEditor.put(file, e);
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171 editorToFile.put(e, file);
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172 addTab(file.getName(), e);
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173 } catch (Exception e) {
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179 public final List<JMenuItem> getMenuItems(){
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180 List<JMenuItem> ret = new Vector<JMenuItem>();
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181 ret.add(new JMenu("New"){
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182 private static final long serialVersionUID = 1L;
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184 for (final ObjectCreator c : creators ){
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185 add(new JMenuItem("New " + c.getName()){
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186 private static final long serialVersionUID = 1L;
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188 addActionListener(new ActionListener() {
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190 public void actionPerformed(ActionEvent ae) {
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200 ret.add(new JMenuItem("Open" + noun + "..."){
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201 private static final long serialVersionUID = 1L;
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203 addActionListener(new ActionListener() {
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205 public void actionPerformed(ActionEvent ae) {
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206 log.debug("Open...");
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212 ret.add(new JMenuItem("Close" + noun){
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213 private static final long serialVersionUID = 1L;
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215 addActionListener(new ActionListener() {
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217 public void actionPerformed(ActionEvent ae) {
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218 log.debug("Close");
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224 ret.add(new JMenuItem("Save" + noun){
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225 private static final long serialVersionUID = 1L;
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227 addActionListener(new ActionListener() {
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229 public void actionPerformed(ActionEvent ae) {
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236 ret.add(new JMenuItem("Save" + noun + " As..."){
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237 private static final long serialVersionUID = 1L;
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239 addActionListener(new ActionListener() {
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241 public void actionPerformed(ActionEvent ae) {
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242 log.debug("Save As...");
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251 protected final void add(final OBJECT o){
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252 EDITOR e = createEditor(o);
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253 objectToEditor.put(o, e);
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254 editorToObject.put(e, o);
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259 public final void load(final File f) throws IOException{
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260 OBJECT o = loadFromFile(f);
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261 EDITOR e = createEditor(o);
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262 objectToEditor.put(o, e);
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263 editorToObject.put(e, o);
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264 fileToEditor.put(f, e);
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265 editorToFile.put(e, f);
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266 addTab(f.getName(), e);
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269 public abstract EDITOR createEditor(final OBJECT o);
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271 public abstract OBJECT newObject();
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273 protected abstract OBJECT loadFromFile(final File f) throws IOException;
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275 protected abstract void saveToFile(final OBJECT o, final File f) throws IOException;
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278 private final void errorDialog(final Throwable t){
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279 t.printStackTrace();
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280 JOptionPane.showMessageDialog(MultiObjectEditor.this, t.getClass().getSimpleName() + ": " + t.getMessage());
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