Initial commit

2022-03-17 08:42:05 +00:00
commit c346486299
51 changed files with 9317 additions and 0 deletions
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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 solution'
+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.App'
+}
+
+// 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
+    }
+}
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+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package ch.zhaw.prog2.application;
+
+import javafx.application.Application;
+
+public class App {
+    public static void main(String[] args) {
+		Application.launch(MainWindow.class, args);
+    }
+}
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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);
+}
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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();
+}
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+package ch.zhaw.prog2.application;
+
+import javafx.application.Application;
+import javafx.beans.InvalidationListener;
+import javafx.beans.Observable;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.scene.layout.Pane;
+import javafx.stage.Stage;
+
+public class MainWindow extends Application {
+	
+	private WordModel wordModel = new WordModel();
+
+	@Override
+	public void start(Stage primaryStage) throws Exception {
+		openMainWindow(primaryStage);
+	}
+	
+	private void openMainWindow(Stage stage) {
+		try {
+			FXMLLoader loader = new FXMLLoader(getClass().getResource("MainWindow.fxml"));
+
+            Pane rootNode = loader.load();
+
+ 			MainWindowController mainWindowController = loader.getController();
+			mainWindowController.connectProperties();
+			mainWindowController.setWordModel(wordModel);
+
+			Scene scene = new Scene(rootNode);
+
+            stage.setScene(scene);
+            stage.show();
+		} catch(Exception e) {
+			e.printStackTrace();
+		}
+		
+	}
+}
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+package ch.zhaw.prog2.application;
+
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+
+public class MainWindowController {
+	private WordModelDecorator wordModelDecorator;
+
+    @FXML
+    private TextArea textHistory;
+
+    @FXML
+    private TextField textEingabe;
+
+    @FXML
+    private Label labelTitel;
+
+	public void connectProperties() {
+		//binding properties
+		labelTitel.textProperty().bind(textEingabe.textProperty());		
+	}
+	
+	public void setWordModel(WordModel wordModel) {
+		wordModelDecorator = new WordModelDecorator(wordModel);
+		wordModelDecorator.addListener(new IsObserver() {
+			@Override
+			public void update() {
+				textHistory.setText(wordModel.toString());
+			}
+		});
+	}
+
+    @FXML
+    private void hinzufuegenText(ActionEvent event) {
+    	for(String word : textEingabe.getText().split(" ")) {
+    		wordModelDecorator.addWord(word.toLowerCase());  		
+    	}
+    }
+
+    @FXML
+    private void leerenTextEingabe(ActionEvent event) {
+    	textEingabe.clear();
+    }
+
+}
+
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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();
+	}
+
+}
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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();
+		}
+	}
+	
+}
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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import java.lang.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.layout.AnchorPane?>
+
+<AnchorPane prefHeight="480.0" prefWidth="640.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.prog2.application.MainWindowController">
+   <children>
+      <VBox alignment="CENTER" prefHeight="200.0" prefWidth="100.0" spacing="10.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+         <children>
+            <Label fx:id="labelTitel" text="Label" />
+            <TextField fx:id="textEingabe" maxWidth="300.0" />
+            <HBox alignment="CENTER" prefHeight="100.0" prefWidth="200.0" spacing="10.0">
+               <children>
+                  <Button mnemonicParsing="false" onAction="#hinzufuegenText" text="Hinzufügen Text" />
+                  <Button mnemonicParsing="false" onAction="#leerenTextEingabe" text="Löschen Eingabefeld" />
+               </children>
+            </HBox>
+            <TextArea fx:id="textHistory" editable="false" prefHeight="200.0" prefWidth="200.0" VBox.vgrow="ALWAYS" />
+         </children>
+         <padding>
+            <Insets top="10.0" />
+         </padding>
+      </VBox>
+   </children>
+   <padding>
+      <Insets bottom="20.0" />
+   </padding>
+</AnchorPane>