From b12cf9f6d2e127f84b338e8d8119f829aa89457a Mon Sep 17 00:00:00 2001
From: Yuri Tatishchev <itatishch@gmail.com>
Date: Tue, 25 Mar 2025 00:31:55 -0700
Subject: [PATCH] hw3: PhotoAlbumView: add thumbnails, date, file size to list

---
 hw3/src/view/PhotoAlbumView.java | 92 ++++++++++++++++++++++++++------
 1 file changed, 76 insertions(+), 16 deletions(-)

diff --git a/hw3/src/view/PhotoAlbumView.java b/hw3/src/view/PhotoAlbumView.java
index 5719187..d4a0090 100644
--- a/hw3/src/view/PhotoAlbumView.java
+++ b/hw3/src/view/PhotoAlbumView.java
@@ -38,9 +38,21 @@ public class PhotoAlbumView extends JFrame implements PhotoAlbumModel.ModelChang
         deleteButton = new JButton("Delete Photo");
         previousButton = new JButton("Previous");
         nextButton = new JButton("Next");
+        // Disable navigation buttons by default
+        previousButton.setEnabled(false);
+        nextButton.setEnabled(false);
+        deleteButton.setEnabled(false);
 
         String[] sortOptions = {"Sort by Name", "Sort by Date", "Sort by Size"};
         sortingCombo = new JComboBox<>(sortOptions);
+        // Select default sorting option
+        sortingCombo.setSelectedIndex(1);
+
+        listModel = new DefaultListModel<>();
+        photoList = new JList<>(listModel);
+        photoList.setEnabled(false);
+        photoList.setCellRenderer(new PhotoListCellRenderer());
+        photoList.setFixedCellHeight(60); // Accommodate thumbnails
     }
 
     private void setupLayout() {
@@ -64,14 +76,6 @@ public class PhotoAlbumView extends JFrame implements PhotoAlbumModel.ModelChang
         controlPanel.add(deleteButton);
         controlPanel.add(sortingCombo);
         add(controlPanel, BorderLayout.SOUTH);
-
-        // Disable navigation buttons by default
-        previousButton.setEnabled(false);
-        nextButton.setEnabled(false);
-        deleteButton.setEnabled(false);
-
-        // Select default sorting option
-        sortingCombo.setSelectedIndex(1);
     }
 
     public void setController(PhotoAlbumController controller) {
@@ -83,14 +87,6 @@ public class PhotoAlbumView extends JFrame implements PhotoAlbumModel.ModelChang
         nextButton.addActionListener(e -> controller.handleNext());
         previousButton.addActionListener(e -> controller.handlePrevious());
         sortingCombo.addActionListener(e -> controller.handleSort(sortingCombo.getSelectedIndex()));
-        photoList.addListSelectionListener(e -> {
-            if (!e.getValueIsAdjusting()) {
-                int index = photoList.getSelectedIndex();
-                if (index >= 0) {
-                    controller.handlePhotoSelection(index);
-                }
-            }
-        });
     }
 
     @Override
@@ -141,4 +137,68 @@ public class PhotoAlbumView extends JFrame implements PhotoAlbumModel.ModelChang
             return null;
         }
     }
+
+    private class PhotoListCellRenderer extends JPanel implements ListCellRenderer<String> {
+        private final JLabel imageLabel = new JLabel();
+        private final JLabel textLabel = new JLabel();
+        private final JLabel detailsLabel = new JLabel();
+
+        public PhotoListCellRenderer() {
+            setLayout(new BorderLayout(5, 0));
+
+            // Left side - image
+            imageLabel.setPreferredSize(new Dimension(50, 50));
+            add(imageLabel, BorderLayout.WEST);
+
+            // Center - name and details
+            JPanel textPanel = new JPanel(new GridLayout(2, 1));
+            textPanel.setOpaque(false);
+            textLabel.setFont(textLabel.getFont().deriveFont(Font.BOLD));
+            detailsLabel.setForeground(Color.GRAY);
+            detailsLabel.setFont(detailsLabel.getFont().deriveFont(10.0f));
+            textPanel.add(textLabel);
+            textPanel.add(detailsLabel);
+            add(textPanel, BorderLayout.CENTER);
+
+            setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+            setOpaque(true);
+        }
+
+        @Override
+        public Component getListCellRendererComponent(JList<? extends String> list,
+                                                      String name, int index, boolean isSelected, boolean cellHasFocus) {
+            textLabel.setText(name);
+
+            Photo photo = model.getPhotos().get(index);
+            ImageIcon thumbnail = loadThumbnail(photo.filePath());
+            imageLabel.setIcon(thumbnail);
+
+            // Format date
+            String date = String.format("%tF", photo.dateAdded());
+            // Format file size
+            String size = formatFileSize(photo.fileSize());
+            detailsLabel.setText(date + " • " + size);
+
+            return this;
+        }
+    }
+
+    private String formatFileSize(long size) {
+        if (size < 1024 * 1024) {
+            return String.format("%.1f KB", size / 1024.0);
+        } else {
+            return String.format("%.1f MB", size / (1024.0 * 1024));
+        }
+    }
+
+    private ImageIcon loadThumbnail(String path) {
+        try {
+            ImageIcon icon = new ImageIcon(path);
+            Image img = icon.getImage();
+            Image scaledImg = img.getScaledInstance(50, 50, Image.SCALE_AREA_AVERAGING);
+            return new ImageIcon(scaledImg);
+        } catch (Exception e) {
+            return null;
+        }
+    }
 }