Add QuickLook plugin

4 files changed, 188 insertions, 0 deletions

diff --git a/QuickLook/Base.lproj/PreviewViewController.xib b/QuickLook/Base.lproj/PreviewViewController.xib
new file mode 100644
index 0000000..d8dd0f3
--- /dev/null
+++ b/QuickLook/Base.lproj/PreviewViewController.xib
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="11762" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="11762"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="PreviewViewController" customModuleProvider="target">
+            <connections>
+                <outlet property="view" destination="c22-O7-iKe" id="NRM-P4-wb6"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customView id="c22-O7-iKe" userLabel="Preview View">
+            <rect key="frame" x="0.0" y="0.0" width="480" height="272"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+        </customView>
+    </objects>
+</document>
diff --git a/QuickLook/Info.plist b/QuickLook/Info.plist
new file mode 100644
index 0000000..38643ce
--- /dev/null
+++ b/QuickLook/Info.plist
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>ATSApplicationFontsPath</key>
+	<string>Fonts</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>QLIsDataBasedPreview</key>
+			<false/>
+			<key>QLSupportedContentTypes</key>
+			<array>
+				<string>systems.tranquil.map.wmap</string>
+			</array>
+			<key>QLSupportsSearchableItems</key>
+			<false/>
+		</dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.quicklook.preview</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>$(PRODUCT_MODULE_NAME).PreviewViewController</string>
+	</dict>
+</dict>
+</plist>
diff --git a/QuickLook/PreviewViewController.swift b/QuickLook/PreviewViewController.swift
new file mode 100644
index 0000000..03efe72
--- /dev/null
+++ b/QuickLook/PreviewViewController.swift
@@ -0,0 +1,131 @@
+//
+//  PreviewViewController.swift
+//  QuickLook
+//
+//  Created by Ruben Beltran del Rio on 2025-07-11.
+//
+
+import Cocoa
+import Quartz
+import SwiftUI
+
+class PreviewViewController: NSViewController, QLPreviewingController {
+
+  override var nibName: NSNib.Name? {
+    return NSNib.Name("PreviewViewController")
+  }
+
+  override func loadView() {
+    super.loadView()
+  }
+
+  func preparePreviewOfFile(at url: URL) async throws {
+    // Read the .wmap file content
+    let content = try String(contentsOf: url, encoding: .utf8)
+
+    // Parse the content to create a ParsedMap
+    let lexer = Wmap.Lexer(content)
+    let parser = Wmap.Parser(lexer: lexer)
+    let parsedMap = parser.parse()
+
+    await MainActor.run {
+      // Clear any existing subviews and force cleanup
+      view.subviews.forEach { subview in
+        if let hostingView = subview as? NSHostingView<AnyView> {
+          hostingView.rootView = AnyView(EmptyView())
+        }
+        subview.removeFromSuperview()
+      }
+
+      // Force memory cleanup
+      autoreleasepool {
+        // Create the map preview view with error handling
+        let mapPreview: AnyView
+        if parsedMap.entities.isEmpty {
+          // Fallback view for empty or invalid maps
+          mapPreview = AnyView(
+            VStack {
+              Image(systemName: "map")
+                .font(.system(size: 48))
+                .foregroundColor(.gray)
+              Text("quick_look.empty_map.title")
+                .font(.Theme.Title.emphasized)
+                .foregroundColor(.Theme.UI.foreground)
+              Text("quick_look.empty_map.description")
+                .font(.Theme.Body.regular)
+                .foregroundColor(.Theme.UI.foreground)
+            }
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+            .foregroundColor(.Theme.UI.background)
+          )
+        } else {
+          // Limit entities for memory efficiency in QuickLook
+          let limitedEntities = Array(parsedMap.entities.prefix(100))  // Limit to first 100 entities
+          let limitedMap = Wmap.ParsedMap(
+            entities: limitedEntities, vertexLabels: parsedMap.vertexLabels)
+          mapPreview = AnyView(MapPreviewView(parsedMap: limitedMap))
+        }
+
+        let hostingView = NSHostingView(rootView: mapPreview)
+
+        hostingView.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(hostingView)
+
+        NSLayoutConstraint.activate([
+          hostingView.topAnchor.constraint(equalTo: view.topAnchor),
+          hostingView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+          hostingView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+          hostingView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+        ])
+
+        view.needsLayout = true
+        view.layoutSubtreeIfNeeded()
+      }  // autoreleasepool
+    }
+  }
+
+  deinit {
+    // Cleanup when view controller is deallocated
+    view.subviews.forEach { subview in
+      if let hostingView = subview as? NSHostingView<AnyView> {
+        hostingView.rootView = AnyView(EmptyView())
+      }
+      subview.removeFromSuperview()
+    }
+  }
+}
+
+// A SwiftUI view specifically for QuickLook preview
+struct MapPreviewView: View {
+  let parsedMap: Wmap.ParsedMap
+  @State private var selectedEvolution: StageType = .general
+
+  var body: some View {
+    GeometryReader { geometry in
+      let mapSize = Dimensions.Map.size
+      let padding = Dimensions.Map.padding
+      let totalWidth = mapSize.width + 2 * padding
+      let totalHeight = mapSize.height + 2 * padding
+
+      // Calculate scale to fit the available space
+      let scaleX = geometry.size.width / totalWidth
+      let scaleY = geometry.size.height / totalHeight
+      let scale = min(scaleX, scaleY, 1.0)  // Don't scale up, only down
+
+      ScrollView([.horizontal, .vertical]) {
+        MapRenderView(
+          entities: parsedMap.entities,
+          evolution: $selectedEvolution
+        )
+        .drawingGroup(opaque: false)
+        .scaleEffect(scale)
+        .frame(
+          width: totalWidth * scale,
+          height: totalHeight * scale
+        )
+      }
+      .frame(maxWidth: .infinity, maxHeight: .infinity)
+      .background(Color.white)
+    }
+  }
+}
diff --git a/QuickLook/QuickLook.entitlements b/QuickLook/QuickLook.entitlements
new file mode 100644
index 0000000..f2ef3ae
--- /dev/null
+++ b/QuickLook/QuickLook.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.security.app-sandbox</key>
+    <true/>
+    <key>com.apple.security.files.user-selected.read-only</key>
+    <true/>
+</dict>
+</plist>