From 779559997e00c8df563a00f99006822af2ab2fd2 Mon Sep 17 00:00:00 2001
From: Ross <xkjq@ymail.com>
Date: Mon, 8 Sep 2025 14:00:19 +0100
Subject: [PATCH] Enhance DICOM viewer interaction by adding context menu
 prevention and fullscreen support; register basic interaction tools for
 improved user experience

---
 anatomy/static/js/anatomy.js | 173 +++++++++++++----------------------
 1 file changed, 64 insertions(+), 109 deletions(-)

diff --git a/anatomy/static/js/anatomy.js b/anatomy/static/js/anatomy.js
index a033406c..e30558cd 100644
--- a/anatomy/static/js/anatomy.js
+++ b/anatomy/static/js/anatomy.js
@@ -536,18 +536,39 @@ async function setUpDicom3d(element) {
   element.style.position = element.style.position || "relative";
   element.innerHTML = ""; // clear
 
+  // Disable right-click context menu on the element
+  element.addEventListener('contextmenu', function (e) {
+    e.preventDefault();
+  });
+
+  element.addEventListener('dblclick', function (e) {
+    if (element.requestFullscreen) {
+      element.requestFullscreen();
+    } else if (element.webkitRequestFullscreen) {
+      element.webkitRequestFullscreen();
+    } else if (element.mozRequestFullScreen) {
+      element.mozRequestFullScreen();
+    } else if (element.msRequestFullscreen) {
+      element.msRequestFullscreen();
+    }
+  });
+
   // create a unique rendering engine / viewport ids per element
   const renderingEngineId = `rendingEngine`;
-  const viewportId = `CT_AXIAL-STACK`;
+  const viewportId = `1`;
 
   try {
     // dynamic import of cornerstone3D core + dicom loader
     const coreModule = window.cornerstone3d
     const dicomLoaderModule = window.cornerstoneDICOMImageLoader
+    const toolsModule = window.cornerstone3dTools;
 
     await coreModule.init();
     await dicomLoaderModule.init();
 
+
+    await toolsModule.init();
+
     const { RenderingEngine, Enums } = coreModule;
     const { chunkManager } = dicomLoaderModule; // may exist for some setups
 
@@ -566,6 +587,46 @@ async function setUpDicom3d(element) {
 
     const viewport = renderingEngine.getViewport(viewportId);
 
+
+    // --- Register basic interaction tools (best-effort with @cornerstonejs/tools) ---
+      // dynamic import so bundlers/CDNs provide the package
+      // prefer module import, fall back to global if present
+
+      const { ToolGroupManager } = toolsModule;
+
+    toolsModule.addTool(toolsModule.PanTool)
+    toolsModule.addTool(toolsModule.WindowLevelTool)
+    //toolsModule.addTool(toolsModule.StackScrollTool)
+    toolsModule.addTool(toolsModule.ZoomTool)
+
+
+
+      const toolGroupId = `toolgroup-${viewportId}`;
+      console.log("ToolGroup id", toolGroupId);
+      console.log("ToolGroupManager", ToolGroupManager);
+      if (!ToolGroupManager.getToolGroup(toolGroupId)) {
+        ToolGroupManager.createToolGroup(toolGroupId);
+      }
+      const toolGroup = ToolGroupManager.getToolGroup(toolGroupId);
+
+      toolGroup.addTool(toolsModule.PanTool.toolName);
+      toolGroup.addTool(toolsModule.WindowLevelTool.toolName);
+      //toolGroup.addTool(toolsModule.StackScrollTool.toolName);
+      toolGroup.addTool(toolsModule.ZoomTool.toolName);
+
+      // use actual tool names if available, else fall back to common strings
+      //const stackName = (StackScrollTool && (StackScrollTool.toolName || StackScrollTool.name)) || 'StackScroll';
+
+      //toolGroup.setToolEnabled(toolsModule.PanTool.toolName, { bindings: [{ mouseButton: 1 }] });
+      toolGroup.setToolActive(toolsModule.PanTool.toolName, { bindings: [{ mouseButton: 1 }] });
+      toolGroup.setToolActive(toolsModule.WindowLevelTool.toolName, { bindings: [{ mouseButton: 2 }] });
+      toolGroup.setToolActive(toolsModule.ZoomTool.toolName, { bindings: [{ mouseButton: 4 }] });
+      toolGroup.setToolActive(toolsModule.ZoomTool.toolName, { bindings: [{ mouseButton: 524288 }] });
+      toolGroup.addViewport(viewportId, renderingEngineId);
+
+      window.toolGroup = toolGroup; // expose for debugging
+
+
     // Prepare imageIds: ensure remote URLs are usable by dicom-image-loader (wadouri:)
     const imageIds = images.map((url) => {
       url = url.trim();
@@ -591,6 +652,7 @@ async function setUpDicom3d(element) {
 
     viewport.render();
 
+
     // store references for debugging/use elsewhere
     element._cornerstone3d = {
       renderingEngineId,
@@ -613,114 +675,7 @@ async function setUpDicom3d(element) {
 window.setUpDicom = setUpDicom3d;
 
 
-//function keyUpHandler(e) {
-//  if (e.key == "Control") {
-//    dicomViewer.registerPrimaryDicomInterface(e);
-//    window.control_pressed = false;
-//  }
-//}
-//
-//function keyDownHandler(e) {
-//  // Ignore our custom keybindings if we are currently in a field that
-//  // accepts some kind of input
-//  if ($("*:focus:not(disabled)").is("textarea, input")) {
-//    // unless a modifier key is pressed (not shift)
-//    if (e.altKey ? true : false || e.ctrlKey ? true : false) {} else {
-//      return;
-//    }
-//  }
-//
-//  if (e.key == "Control") {
-//    if (window.control_pressed == false) {
-//      window.control_pressed = true;
-//      dicomViewer.registerAltDicomInterface(e);
-//    }
-//  }
-//
-//  var charCode = typeof e.which == "number" ? e.which : e.keyCode;
-//  console.log(e, charCode);
-//
-//  function numberKeyPressed(e, x) {
-//    if (e.altKey ? true : false) {
-//      dicomViewer.selectThumb(x);
-//      e.preventDefault();
-//    } else {}
-//  }
-//
-//  switch (charCode) {
-//    case 13: // Return
-//      if (e.shiftKey ? true : false) {
-//        //$(".next-button:last").click();
-//      } else {
-//        //$(".check-button:last").click();
-//      }
-//      break;
-//    case 32: // Space
-//      if (e.shiftKey ? true : false) {
-//        //$(".previous-button:last").click();
-//      } else {
-//        //$(".next-button:last").click();
-//      }
-//      e.preventDefault(); // Needed to stop the default action (scroll)
-//      break;
-//    case 46: // .
-//      //toggleFlagged();
-//      break;
-//
-//      // Numbers 1-9 select the corresponding answer (if it exists)
-//      // TODO: fix for multi question questions
-//    case 49: // 1
-//      numberKeyPressed(e, 0);
-//      break;
-//    case 50: // 2
-//      numberKeyPressed(e, 1);
-//      break;
-//    case 51: // 3
-//      numberKeyPressed(e, 2);
-//      break;
-//    case 52: // 4
-//      numberKeyPressed(e, 3);
-//      break;
-//    case 53: // 5
-//      numberKeyPressed(e, 4);
-//      break;
-//    case 54: // 6
-//      numberKeyPressed(e, 5);
-//      break;
-//    case 55: // 7
-//      numberKeyPressed(e, 6);
-//      break;
-//    case 56: // 8
-//      numberKeyPressed(e, 7);
-//      break;
-//    case 57: // 9
-//      numberKeyPressed(e, 8);
-//      break;
-//    case 72: // H
-//      previousQuestion();
-//      break;
-//    case 76: // L
-//      //nextQuestion();
-//      break;
-//
-//    case 102: // f
-//      //$("#filter-toggle").click();
-//      break;
-//    case 103: // g
-//      //$("#options").slideDown("slow");
-//      //$("#goto-question-input").focus();
-//      //e.preventDefault();
-//      break;
-//
-//      // Vim like scrolling (incredibly important)
-//    case 106: // j
-//      //window.scrollBy(0, 25);
-//      break;
-//    case 107: // k
-//      //window.scrollBy(0, -25);
-//      break;
-//  }
-//}
+
 
 
 function create_popup_window(url, title) {