Initial commit

code/FXML-WordCloud/src/main/java/ch/zhaw/prog2/application/IsObservable.java

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+package ch.zhaw.prog2.application;
+/**
+ * Most basic interface for observing an object
+ * @author bles
+ *
+ */
+public interface IsObservable {
+	/**
+	 * Add an observer that listens for updates
+	 * @param observer
+	 */
+	void addListener(IsObserver observer);
+	/**
+	 * Remove an observer from the list
+	 * @param observer
+	 */
+	void removeListener(IsObserver observer);
+}

code/FXML-WordCloud/src/main/java/ch/zhaw/prog2/application/IsObserver.java

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+package ch.zhaw.prog2.application;
+/**
+ * Most basic interface for beeing an observer
+ * @author bles
+ *
+ */
+public interface IsObserver {
+	/**
+	 * This method is always called when an observed object
+	 * changes
+	 */
+	void update();
+}

code/FXML-WordCloud/src/main/java/ch/zhaw/prog2/application/WordModel.java

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+package ch.zhaw.prog2.application;
+
+import java.util.HashMap;
+import java.util.Map;
+/**
+ * A WordModel object holds a map of words (String) with the actual count
+ * @author bles
+ *
+ */
+public class WordModel {
+	private Map<String, Integer> words = new HashMap<>();
+	
+	public void addWord(String word) {
+		int count = words.getOrDefault(word, 0);
+		words.put(word, ++count);
+	}
+	
+	public void removeWord(String word) {
+		int count = words.getOrDefault(word, 1);
+		if (count == 1) {
+			words.remove(word);
+		} else {
+			words.put(word, --count);
+		}
+	}
+	
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+		for(Map.Entry<String, Integer> entry : words.entrySet()) {
+			sb.append(entry.getKey()).append(" - ").append(entry.getValue());
+			sb.append(System.lineSeparator());
+		}
+		return sb.toString();
+	}
+
+}

code/FXML-WordCloud/src/main/java/ch/zhaw/prog2/application/WordModelDecorator.java

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+package ch.zhaw.prog2.application;
+
+import java.util.ArrayList;
+import java.util.List;
+/**
+ * Adds observable functionality to one WordModel-object.
+ * The decorator uses the original methods of the WordModel-object.
+ * @author bles
+ *
+ */
+public class WordModelDecorator implements IsObservable {
+	private final WordModel wordModel;
+	private List<IsObserver> listener = new ArrayList<>();
+	
+	public WordModelDecorator(WordModel wordModel) {
+		this.wordModel = wordModel;
+	}
+
+	@Override
+	public void addListener(IsObserver observer) {
+		listener.add(observer);	
+	}
+
+	@Override
+	public void removeListener(IsObserver observer) {
+		listener.remove(observer);
+	}
+	
+	public void addWord(String word) {
+		wordModel.addWord(word);
+		informListener();
+	}
+	
+	public void removeWord(String word) {
+		wordModel.removeWord(word);
+		informListener();
+	}
+	
+	private void informListener() {
+		for(IsObserver observer : listener) {
+			observer.update();
+		}
+	}
+	
+}

code/FXML-WordCloud/src/main/resources/ch/zhaw/prog2/fxmlcalculator/MainWindow.fxml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.layout.AnchorPane?>
+
+<AnchorPane xmlns:fx="http://javafx.com/fxml/1">
+	<!-- TODO Add Nodes -->
+</AnchorPane>
+