Weeks 5 and 6.

1 files changed, 69 insertions, 38 deletions

diff --git a/src/ComparisonView.java b/src/ComparisonView.java
index 8e20cf3..78897e9 100644
--- a/src/ComparisonView.java
+++ b/src/ComparisonView.java
@@ -10,6 +10,10 @@ import java.awt.*;
  * References:
  * https://zetcode.com/java/listdirectory/
  * https://stackoverflow.com/questions/4871051/how-to-get-the-current-working-directory-in-java
+ * https://stackoverflow.com/questions/2501861/how-can-i-remove-a-jpanel-from-a-jframe
+ * https://stackoverflow.com/questions/5652344/how-can-i-use-a-custom-font-in-java
+ * https://www.javaprogramto.com/2019/03/java-uimanager.html
+ * 
  * 
  * Date:
  * 2024-05-08
@@ -18,25 +22,29 @@ import java.awt.*;
  * Provide a view for comparing font families.
  */
 
+// ComparisonView is a JFrame
 public class ComparisonView extends JFrame {
-	private final int WINDOW_MIN_WIDTH = 960;
-	private final int WINDOW_MIN_HEIGHT = 540;
-	private ArrayList<FontFamily> fonts;
+	private final int WINDOW_MIN_WIDTH = 960; // A ComparisonView has a minimum height
+	private final int WINDOW_MIN_HEIGHT = 540; // A ComparisonView has a minimum width
+	private ArrayList<FontFamily> fonts; // A ComparisonView has a list of fonts
+	private Font textFont; // A ComparisonView has a preferred text font
+	private final int TEXT_SIZE = 20; // A ComparisonView has a constant text size.
 
 	/**
 	 * Walk the file tree.
 	 */
 	static void walk(File dir, ArrayList<File> list) {
-		File[] dirContents = dir.listFiles();
+		File[] dirContents = dir.listFiles(); // List the files in the directory.
+		// For each of the items in the directory:
 		for (int i = 0; i < dirContents.length; i++) {
-			if (dirContents[i].isFile()) {
-				if (dirContents[i] != null) {
-					list.add(dirContents[i]);
-				}
+			// If it's a file, and its name ends with '.pb', add it to the list.
+			if (dirContents[i].isFile() && dirContents[i].getName().endsWith(".pb")) {
+				list.add(dirContents[i]);
+			// If it's a directory, recurse through it.
 			} else if (dirContents[i].isDirectory()) {
 				walk(dirContents[i], list);
 			}
-			/* Otherwise, an irregular file. Ignore it. */
+			// Otherwise, it's an irregular file. Ignore it.
 		}
 	}
 
@@ -44,66 +52,89 @@ public class ComparisonView extends JFrame {
 	 * Initialize GUI and comparison.
 	 */
 	public ComparisonView() {
+		/* Set text font. Register the included ttf file as a font
+		in the current environment. This is akin to adding it to the map
+		of font family names and file names. */
+		try {
+			GraphicsEnvironment environment = GraphicsEnvironment.getLocalGraphicsEnvironment();
+			environment.registerFont(Font.createFont(Font.TRUETYPE_FONT,
+				new File("./DejaVuSansCondensed.ttf")));
+		/* If either IOException or FontFormatException are thrown, error out. */
+		} catch (IOException|FontFormatException e) {
+			System.out.println(e.getMessage());
+			System.exit(-1);
+		}
+		
+		/* Set default text font to included DejaVu Sans Condensed. */
+		textFont = new Font("DejaVu Sans Condensed", Font.PLAIN, TEXT_SIZE);
+		getContentPane().setFont(textFont);
+		UIManager.put("Label.font", textFont);
+		UIManager.put("Panel.font", textFont);
+
+
 		setTitle("Google Fonts Style vs. Popularity"); // Window title
-		setMinimumSize(new Dimension(WINDOW_MIN_WIDTH,
-			WINDOW_MIN_HEIGHT)); // Minimum window size
+		setMinimumSize(new Dimension(WINDOW_MIN_WIDTH, WINDOW_MIN_HEIGHT)); // Minimum window size
 		/* On window close, kill the program. */
 		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 		pack(); // Pack the GUI
 		setVisible(true); // Make the window visible
 
-		/* In $(find . | grep METADATA.pb), each
-		family is described in JSON. Human name is provided on first line.
-		For each METADATA.pb, instantiate a FontFamily object, keep
-		in an ArrayList. */	
-		//System.out.println(System.getProperty("user.dir"));
-		ArrayList<File> fileList = new ArrayList<File>();
+		/* In metadata/*.pb, each font is described.
+		Add each of the files in that directory to a list. */
+		ArrayList<File> metadataList = new ArrayList<File>();
 		try {
-			walk(new File("."), fileList);
+			walk(new File("."), metadataList);
 		} catch (Exception e) {
 			System.out.println(e.getMessage()); // Print error message
-			System.exit(1); // Exit with error
-		}
-		
-		ArrayList<File> metadataList = new ArrayList<File>();
-		/* Enhanced for loop. */
-		for (File file : fileList) {
-			if (file.getPath().endsWith(".pb")) {
-				metadataList.add(file);
-			}
+			System.exit(-1); // Exit with error
 		}
 		
+		/* Open families.csv and popularity.json. If either are missing,
+		the program cannot run. */
 		File styleFile = new File("families.csv");
 		if (!styleFile.exists()) {
+			System.out.println("families.csv doesn't exist.");
 			System.exit(-1);
 		}
-		
 		File popularityFile = new File("popularity.json");
 		if (!popularityFile.exists()) {
 			System.exit(-1);
 		}
 		
+		/* Panel to show while waiting for FontFamily data structures to populate. */
+		JPanel waiting = new JPanel();	
+		JLabel waitingLabel = new JLabel("Memory structures take 10-15 seconds to set up. My apologies.");
+		waiting.add(waitingLabel);
+		this.add(waiting, BorderLayout.CENTER);
+		setVisible(true);
 		
+		/* Construct Readers from each of the metadata files. */
 		CSVReader style = new CSVReader(styleFile);
 		JSONReader popularity = new JSONReader(popularityFile);
-		/* Create FontFamily objects from each METADATA.pb file. */
+		// Create FontFamily objects from each METADATA.pb file.
 		fonts = new ArrayList<FontFamily>();
+		/* For each metadata file, parse a FontFamily. */
 		for (File file : metadataList) {
 			JSONReader metadata = new JSONReader(file);
-			metadata.setPb();
+			metadata.setMetadata();
 			fonts.add(new FontFamily(metadata, popularity, style));
 		}
-		
-		for (FontFamily font : fonts) {
-			System.out.println(font.getFamilyName());
-			for (String subset : font.getSubsets()) {
-				System.out.println(subset);
-			}
-		}
+
+		waiting.remove(waitingLabel); // Remove waiting message.
+		JPanel author = new JPanel();
+		JLabel authorLabel = new JLabel("Written by Kian Agheli");
+		author.add(authorLabel);
+		add(author, BorderLayout.SOUTH); // Add author panel.
+
+		LineGraph graph = new LineGraph(fonts); // Draw a line graph of the font views metadata.
+		add(graph, BorderLayout.NORTH); // Add the line graph.
+
+		pack(); // Pack the window.
+		setVisible(true); // Re-draw the window.
 	}
 
 	public static void main(String[] argv) {
-		new ComparisonView();
+		new ComparisonView(); // Call the constructor.
 	}
 }