Add fields to model

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

@@ -1,10 +1,28 @@
 package app.model;
 
+import app.languages.Java;
+
 /**
  * Data model of the application
  */
 public class Model {
+  private static String activeFilePath;
+  private static String currentProjectPath;
+  private static ProgrammingLanguage currentProgrammingLanguage;
 
-  private String text;
-
+  public static String getActiveFilePath() {
+    return activeFilePath;
+  }
+
+  public static String getProjectPath() {
+    return currentProjectPath;
+  }
+
+  public static ProgrammingLanguage getLanguage() {
+    return currentProgrammingLanguage;
+  }
+
+  public static void setLanguage(ProgrammingLanguage language) {
+    Model.currentProgrammingLanguage = language;
+  }
 }

src/main/java/app/model/ProgrammingLanguage.java

@@ -0,0 +1,28 @@
+package app.model;
+
+import java.net.URL;
+import java.util.Map;
+import java.util.regex.Pattern;
+
+public interface ProgrammingLanguage {
+  /**
+   * The name of the programming language
+   */
+  public String getName();
+  
+  /**
+   * The icon of the programming language
+   * @return The path of the icon
+   */
+  public URL getIcon();
+
+  /**
+   * The map containing the regex and corresponding style-classes to be used for syntax highlighting
+   */
+  public Map<Pattern,String> getPatternMap();
+
+  /**
+   * The pattern containing all regexes for syntax highlighting
+   */
+  public Pattern getPattern();
+}