Initial commit

code/FXML-WordCloud/build.gradle

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+/*
+ * Gradle build configuration for specific lab module / exercise
+ */
+// the Java plugin is added by default in the main lab configuration
+plugins {
+    id 'java'
+    // Apply the application plugin to add support for building a CLI application.
+    id 'application'
+    // Adding JavaFX support and dependencies
+    id 'org.openjfx.javafxplugin' version '0.0.12'
+}
+
+// Project/Module information
+description = 'Lab02 FXML WordCloud'
+group = 'ch.zhaw.prog2'
+version = '2022.1'
+
+// Dependency configuration
+// repositories to download dependencies from
+repositories {
+    mavenCentral()
+}
+// required dependencies
+dependencies {
+
+}
+
+// Configuration for Application plugin
+application {
+    // Define the main class for the application.
+    mainClass = 'ch.zhaw.prog2.application.WordModel'
+}
+
+// Configuration for JavaFX plugin
+javafx {
+    version = '17'
+    modules = [ 'javafx.controls', 'javafx.fxml' ]
+}
+
+// Java plugin configuration
+java {
+    // By default the Java version of the gradle process is used as source/target version.
+    // This can be overridden, to ensure a specific version. Enable only if required.
+    //   sourceCompatibility = JavaVersion.VERSION_17 // ensure Java source code compatibility
+    //   targetCompatibility = JavaVersion.VERSION_17 // version of the created byte-code
+
+    // Java compiler specific options
+    compileJava {
+        // source files should be UTF-8 encoded
+        options.encoding = 'UTF-8'
+        // for more options see https://docs.gradle.org/current/dsl/org.gradle.api.tasks.compile.CompileOptions.html
+    }
+}

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>
+