1 files changed, 139 insertions, 0 deletions
diff --git a/src/main/ui/BrowserWindow.java b/src/main/ui/BrowserWindow.java
new file mode 100644
index 0000000..9a92186
--- /dev/null
+++ b/src/main/ui/BrowserWindow.java
@@ -0,0 +1,139 @@
+package ui;
+
+import model.html.HtmlParser;
+import org.json.JSONArray;
+import persistance.JsonUtils;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+
+// Broad JFrame usage taken from here: https://docs.oracle.com/javase/tutorial/uiswing/components/frame.html
+public class BrowserWindow extends JFrame {
+    public static final int WIDTH = 1200;
+    public static final int HEIGHT = 800;
+    private static final String storagePath = "data/apus.cache";
+
+    private BrowserCanvas canvas;
+    private BrowserBar browserBar;
+
+    private ArrayDeque<String> tabs;
+    private String pathString;
+
+    // MODIFIES: this
+    // EFFECTS: creates a new BrowserWindow program for rendering pages
+    public BrowserWindow() {
+        super("apus");
+        tabs = new ArrayDeque<>();
+        canvas = new BrowserCanvas(new ArrayList<>());
+//        render("data/example.html");
+        browserBar = new BrowserBar(this);
+        getContentPane().add(browserBar, BorderLayout.SOUTH);
+//        pack();
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setSize(WIDTH, HEIGHT);
+        render("/home/apropos/Projects/website/j-james/index.html");
+//        browserBar.addTab("/home/apropos/Projects/website/j-james/index.html");
+        setVisible(true);
+        setClosingBehavior();
+
+        initializeBrowser();
+    }
+
+    // MODIFIES: this
+    // EFFECTS: Renders an arbitrary page
+    public void render(String uri) {
+        pathString = uri;
+        remove(canvas);
+        System.out.println(pathString);
+        try {
+            Path path = Paths.get(pathString);
+            String file = new String(Files.readAllBytes(path));
+            HtmlParser parser = new HtmlParser();
+            canvas = new BrowserCanvas(parser.parseHtml(file));
+        } catch (Exception e) {
+            System.out.println("Could not read file, rendering empty page: " + e.getMessage());
+
+            canvas = new BrowserCanvas(new ArrayList<>());
+        }
+        add(canvas);
+        repaint();
+        setVisible(true);
+    }
+
+    // EFFECTS: Prompts the user to save their tabs before quitting
+    private void setClosingBehavior() {
+        this.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                if (tabs.size() > 0) {
+                    saveCurrentTabs();
+                }
+                super.windowClosing(e);
+            }
+        });
+    }
+
+    // EFFECTS: sets up the browser upon launching
+    private void initializeBrowser() {
+        if (new File(storagePath).length() > 2) {
+            restorePreviousTabs();
+        }
+    }
+
+    // MODIFIES: this
+    // EFFECTS: prompts the user to restore their previous tabs
+    private void restorePreviousTabs() {
+        int answer = JOptionPane.showOptionDialog(
+                this, "Would you like to restore your previous tabs?", "apus",
+                JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE,
+                null, new String[]{"Yes", "No"}, "Yes");
+        if (answer == 0) {
+            try {
+                JSONArray state = JsonUtils.readFromFile(storagePath);
+                for (int i = 0; i < state.length(); i++) {
+                    this.browserBar.addTab((String) state.get(i));
+                    this.addTab((String) state.get(i));
+                }
+            } catch (Exception e) {
+                System.out.println("Restoring state from disk failed with " + e.toString());
+            }
+        }
+    }
+
+    // EFFECTS: prompts the user to save their current tabs before closing
+    private void saveCurrentTabs() {
+        int answer = JOptionPane.showOptionDialog(
+                this, "Would you like to save your current tabs?", "apus",
+                JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE,
+                null, new String[]{"Yes", "No"}, "Yes");
+        if (answer == 0) {
+            JsonUtils.writeToFile(new JSONArray(tabs), storagePath);
+        } else {
+            JsonUtils.writeToFile(new JSONArray(), storagePath);
+        }
+    }
+
+    public ArrayDeque<String> getTabs() {
+        return tabs;
+    }
+
+    // MODIFIES: this
+    // EFFECTS: add a tab
+    public void addTab(String tab) {
+        this.tabs.add(tab);
+    }
+
+    // MODIFIES: this
+    // EFFECTS: remove a tab
+    public void removeTab(String tab) {
+        this.tabs.remove(tab);
+    }
+}