Add several pieces of documentation

pom.xml

@@ -5,7 +5,7 @@
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>tdt4100-v2021</groupId>
-  <artifactId>project</artifactId>
+  <artifactId>banana-editor</artifactId>
   <version>1.0.0</version>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -99,9 +99,6 @@
           <argLine>@{argLine} --enable-preview</argLine>
           <forkCount>1</forkCount>
           <reuseForks>true</reuseForks>
-          <!-- <includes>
-            <include>**/test/**/*Test.java</include>
-          </includes> -->
         </configuration>
       </plugin>
 

src/main/java/app/Main.java

@@ -37,11 +37,19 @@ public class Main extends Application {
     window.getIcons().add(new Image(getClass().getResourceAsStream(ICON_PATH)));
   }
 
+  /**
+   * Loads all FXML documents of the main UI and initializes all correlated subcontrollers
+   * @throws IOException
+   */
   private void loadFXML() throws IOException {
+    // TODO: Error handle this function.
     this.fxmlLoader = new FXMLLoader(getClass().getResource("/fxml/Main.fxml"));
     this.fxmlRoot = fxmlLoader.load();
   }
 
+  /**
+   * Generates a scene for the window, and adds it to {@link Model}
+   */
   private void createScene() {
     this.scene = new Scene(fxmlRoot);
     Model.setScene(scene);

src/main/java/app/MainController.java

@@ -46,31 +46,47 @@ public class MainController implements Initializable {
   }
 
   /**
-   * Get the global eventbus.
+   * Get the global eventbus
    * 
-   * @return The eventbus
+   * @return The EventBus object
    */
   public EventBus getEventBus() {
     return this.eventBus;
   }
 
+  /**
+   * Get the global Host Services API
+   * 
+   * @return The JavaFX HostServices object
+   * @see #setHostServices(HostServices)
+   */
   public HostServices getHostServices() {
     return hostServices;
   }
 
+  /**
+   * Set a reference to the global Host Services API
+   * @param hostServices The JavaFX HostServices object
+   * @see #getHostServices()
+   */
   public void setHostServices(HostServices hostServices) {
     this.hostServices = hostServices;
   }
 
+  /**
+   * Replace a CSS file in a specific location in the application CSS array
+   * @param position The position of the CSS file to replace
+   * @param cssPath The path in resources to the new CSS file
+   */
   private void setCSSAt(int position, String cssPath) {
+    //TODO: Error check that position in range 0 to 1
     String nextStyleSheet = getClass().getResource(cssPath).toExternalForm();
 
     Model.getScene().getStylesheets().set(position, nextStyleSheet);
   }
 
   /**
-   * Change the CSS according to which language is being used.
-   * 
+   * Change the CSS according to which language is being used
    * @param event
    */
   @Subscribe
@@ -78,19 +94,26 @@ public class MainController implements Initializable {
     this.setCSSAt(1, "/styling/languages/" + event.getLanguage().toLowerCase() + ".css");
   }
 
+  /**
+   * Change the CSS according to which theme the user chooses
+   * @param event
+   */
   @Subscribe
   private void handle(ThemeChangedEvent event) {
     this.setCSSAt(0, "/styling/themes/" + event.getTheme().toLowerCase().replace(" ", "-") + ".css");
   }
 
+  /**
+   * Open a link in the browser.
+   * @param event
+   */
   @Subscribe
   private void handle(OpenLinkInBrowserEvent event) {
     this.getHostServices().showDocument(event.getLink());
   }
 
   /**
-   * Handle an exit request for the whole program.
-   * 
+   * Handle an exit request for the whole program
    * @param event
    */
   @Subscribe

src/main/java/app/controllers/ModelineController.java

@@ -53,7 +53,7 @@ public class ModelineController implements Initializable, Controller {
    */
   @Subscribe
   private void handle(EditorChangedEvent event) {
-    this.setColumnRow(event.getColumn(), event.getLineNumber());
+    this.setColumnRow(event.getColumn(), event.getLine());
   }
 
   /**

src/main/java/app/events/CopyEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing that something is being copied to the clipboard in an arbitrary place in the UI
+ */
 public class CopyEvent extends Event {
   
 }

src/main/java/app/events/CutEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing that something is being cut to the clipboard in an arbitrary place in the UI
+ */
 public class CutEvent extends Event {
   
 }

src/main/java/app/events/EditorChangedEvent.java

@@ -1,19 +1,33 @@
 package app.events;
 
+/**
+ * Event signalizing that the content or the cursor state in the editor has been modified
+ */
 public class EditorChangedEvent extends Event {
   
-  private int lineNumber;
+  private int line;
   private int column;
 
-  public EditorChangedEvent(int lineNumber, int column) {
-    this.lineNumber = lineNumber;
+/**
+ * Event signalizing that the content or the cursor state in the editor has been modified
+ * @param line The line number of the cursor
+ * @param column The column number of the cursor
+ */
+  public EditorChangedEvent(int line, int column) {
+    this.line = line;
     this.column = column;
   }
 
-  public int getLineNumber() {
-    return this.lineNumber;
+  /**
+   * @return The line number of the cursor
+   */
+  public int getLine() {
+    return this.line;
   }
 
+  /**
+   * @return The column number of the cursor
+   */
   public int getColumn() {
     return column;
   }

src/main/java/app/events/Event.java

@@ -1,3 +1,6 @@
 package app.events;
 
-class Event {}
+/**
+ * Base class for any type of event of the eventbus
+ */
+abstract class Event {}

src/main/java/app/events/ExitApplicationEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing a shutdown request for the whole applicaton
+ */
 public class ExitApplicationEvent extends Event {
   
 }

src/main/java/app/events/FileSaveStateChangedEvent.java

@@ -2,15 +2,25 @@ package app.events;
 
 import app.model.Model;
 
+/**
+ * Event signalizing that the current file either has been modified or saved
+ */
 public class FileSaveStateChangedEvent extends Event {
 
   private boolean isSaved;
 
+  /**
+   * Event signalizing that the current file either has been modified or saved
+   * @param isSaved Whether or not the file has been modified or saved
+   */
   public FileSaveStateChangedEvent(boolean isSaved) {
     this.isSaved = isSaved;
     Model.setFileIsSaved(isSaved);
   }
 
+  /**
+   * @return Whether or not the file has been modified or saved
+   */
   public boolean getIsSaved() {
     return this.isSaved;
   }

src/main/java/app/events/FileSelectedEvent.java

@@ -1,13 +1,27 @@
 package app.events;
 
-public class FileSelectedEvent {
+/**
+ * Event signalizing that a file was selected in the filetree.
+ * 
+ * Not to be confused with {@link OpenFileEvent}
+ */
+public class FileSelectedEvent extends Event {
 
   private String path;
 
+  /**
+   * Event signalizing that a file was selected in the filetree.
+   * 
+   * Not to be confused with {@link OpenFileEvent}
+   * @param path The path of the selected file
+   */
   public FileSelectedEvent(String path) {
     this.path = path;
   }
 
+  /**
+   * @return The path of the selected file
+   */
   public String getPath() {
     return this.path;
   }

src/main/java/app/events/LanguageChangedEvent.java

@@ -1,13 +1,19 @@
 package app.events;
 
-import app.model.languages.Java;
-import app.model.languages.Markdown;
+import app.model.languages.*;
 import app.model.Model;
 
+/**
+ * Event signalizing that the programming language of the editor has changed
+ */
 public class LanguageChangedEvent extends Event {
 
   private String language;
 
+  /**
+   * Event signalizing that the programming language of the editor has changed
+   * @param language The name of the language, capitalized
+   */
   public LanguageChangedEvent(String language) {
     this.language = language;
 
@@ -26,6 +32,9 @@ public class LanguageChangedEvent extends Event {
     }
   }
 
+  /**
+   * @return The name of the language
+   */
   public String getLanguage() {
     return language;
   }

src/main/java/app/events/OpenFileEvent.java

@@ -1,13 +1,25 @@
 package app.events;
 
+/**
+ * Event signalizing that a file outside the current project is supposed to be opened in the editor.
+ * 
+ * Not to be confused with {@link FileSelectedEvent}
+ */
 public class OpenFileEvent extends Event {
 
     private String path;
 
+    /**
+     * Event signalizing that a file outside the current project is supposed to be opened in the editor.
+     * @param path The path of the file to be opened
+     */
     public OpenFileEvent(String path) {
         this.path = path;
     }
 
+    /**
+     * @return The path of the file to be opened
+     */
     public String getPath() {
         return this.path;
     }

src/main/java/app/events/OpenLinkInBrowserEvent.java

@@ -1,13 +1,23 @@
 package app.events;
 
+/**
+ * Event signalizing that the application is going to open a link in an external browser
+ */
 public class OpenLinkInBrowserEvent extends Event {
 
   private String link;
 
+  /**
+   * Event signalizing that the application is going to open a link in an external browser
+   * @param link The link to open
+   */
   public OpenLinkInBrowserEvent(String link) {
     this.link = link;
   }
 
+  /**
+   * @return The link to open
+   */
   public String getLink() {
     return link;
   }

src/main/java/app/events/OpenProjectEvent.java

@@ -1,13 +1,23 @@
 package app.events;
 
+/**
+ * Event signalizing that a folder is supposed to be opened in the filetree.
+ */
 public class OpenProjectEvent extends Event {
 
     private String path;
 
+    /**
+     * Event signalizing that a folder is supposed to be opened in the filetree.
+     * @param path The path of the folder to be opened
+     */
     public OpenProjectEvent(String path) {
         this.path = path;
     }
 
+    /**
+     * @return The path of the folder to be opened
+     */
     public String getPath() {
         return this.path;
     }

src/main/java/app/events/PasteEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing that something is being pasted from the clipboard in an arbitrary place in the UI
+ */
 public class PasteEvent extends Event {
   
 }

src/main/java/app/events/RedoEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing that an action is being undone in an arbitrary place in the UI
+ */
 public class RedoEvent extends Event {
   
 }

src/main/java/app/events/ThemeChangedEvent.java

@@ -1,13 +1,23 @@
 package app.events;
 
-public class ThemeChangedEvent {
+/**
+ * Event signalizing that the theme of the applicaton has been changed
+ */
+public class ThemeChangedEvent extends Event {
 
   private String theme;
 
+  /**
+   * Event signalizing that the theme of the applicaton has been changed
+   * @param theme The name of the theme
+   */
   public ThemeChangedEvent(String theme) {
     this.theme = theme;
   }
   
+  /**
+   * @return The name of the theme
+   */
   public String getTheme() {
     return theme;
   }

src/main/java/app/events/ToggleCommentEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing that the editor is going to toggle a language specific comment of a line or selecton
+ */
 public class ToggleCommentEvent extends Event {
   
 }

src/main/java/app/events/ToggleWrapTextEvent.java

@@ -1,13 +1,23 @@
 package app.events;
 
+/**
+ * Event signalizing that the editor wrap text function was toggled on or off
+ */
 public class ToggleWrapTextEvent extends Event {
 
   private boolean isWrapped;
   
+  /**
+   * Event signalizing that the editor wraptext function was toggled on or off
+   * @param isWrapped Whether or not wraptext was turned on or off
+   */
   public ToggleWrapTextEvent(boolean isWrapped) {
     this.isWrapped = isWrapped;
   }
 
+  /**
+   * @return Whether or not wraptext was turned on or off
+   */
   public boolean getIsWrapped() {
     return this.isWrapped;
   }

src/main/java/app/events/UndoEvent.java

@@ -1,5 +1,8 @@
 package app.events;
 
+/**
+ * Event signalizing that an action is being undone in an arbitrary place in the UI
+ */
 public class UndoEvent extends Event {
   
 }

src/main/java/app/model/Model.java

@@ -8,7 +8,7 @@ import javafx.scene.Scene;
  * Data model of the application.
  * 
  * Contains a static reference to state that has to be accessed by multiple
- * pieces in the application, including the primary scene.
+ * pieces in the application, including the state like primary scene.
  */
 public class Model {
   private static boolean fileIsSaved;

src/main/java/app/service/LanguageOperations.java

@@ -11,14 +11,28 @@ import app.model.ProgrammingLanguage;
 
 public class LanguageOperations {
   
-  private static String getMatch(Matcher m, Collection<String> kws) {
-    return kws
+  /**
+   * Use a matcher to find the styleclass of the next match
+   * from several available styleclasses.
+   * @param m The matcher
+   * @param styleClasses Collection of styleclasses
+   * @return The styleclass of the next match
+   */
+  private static String getMatch(Matcher m, Collection<String> styleClasses) {
+    return styleClasses
       .stream()
       .filter(keyword -> m.group(keyword) != null)
       .findFirst()
       .orElse(""); // This is not possible, but is needed to convert Optional<String> to String
   }
 
+  /**
+   * Calculate syntax highlighting data for a code area
+   * @param text The text to highlight
+   * @param language The language object to use for highlighting
+   * @return The syntax highlighting data
+   * @see app.controllers.EditorController#setHighlighting(StyleSpans) EditorController.setHighlighting()
+   */
   public static StyleSpans<Collection<String>> 
     syntaxHighlight(String text, ProgrammingLanguage language) {
     Matcher matcher = language.getPattern().matcher(text);

src/main/java/service/FileOperations.java

@@ -1,5 +0,0 @@
-package service;
-
-public class FileOperations {
-
-}