From 5a9f99fa88f25b8b58bb30e4d43d596a1ce3acff Mon Sep 17 00:00:00 2001
From: Naeel <naeel@nubes.ru>
Date: Thu, 16 Apr 2026 17:36:44 +0300
Subject: [PATCH] v9.16: replace cytoscape with SVG rectangles for instant
 graph rendering

---
 k8s/deployment.yaml |   2 +-
 static/index.html   | 218 +++++++++++++++++++++++++++++---------------
 2 files changed, 146 insertions(+), 74 deletions(-)

diff --git a/k8s/deployment.yaml b/k8s/deployment.yaml
index 75123a0..690ce99 100644
--- a/k8s/deployment.yaml
+++ b/k8s/deployment.yaml
@@ -15,7 +15,7 @@ spec:
     spec:
       containers:
       - name: cloud-dashboard
-        image: naeel/cloud-dashboard:v9.15
+        image: naeel/cloud-dashboard:v9.16
         imagePullPolicy: Always
         ports:
         - containerPort: 8080
diff --git a/static/index.html b/static/index.html
index ac00c66..9a78fb9 100644
--- a/static/index.html
+++ b/static/index.html
@@ -205,7 +205,7 @@
     </div>
     <div class="spacer"></div>
     <button class="btn-refresh" id="btn-refresh">&#8635; Обновить</button>
-    <button class="btn-graph" id="btn-running-graph">Граф зависимостей</button>
+
     <button class="btn-theme" id="btn-theme" title="Сменить тему">🌙</button>
     <div class="header-user">
       <span class="user-email" id="user-email"></span>
@@ -250,8 +250,7 @@
 <script>
 window.onerror=function(m,s,l){var e=document.getElementById("js-err");if(e){e.style.display="block";e.textContent="JS ERROR line "+l+": "+m;}};
 </script>
-<script src="https://unpkg.com/cytoscape@3.29.2/dist/cytoscape.min.js"></script>
-<script src="https://unpkg.com/cytoscape-node-html-label@1.2.2/dist/cytoscape-node-html-label.min.js"></script>
+
 <script>
 (function(){
 "use strict";
@@ -461,6 +460,31 @@ function humanAge(dtStr){
   return mins + " мин";
 }
 
+function enrichNodesWithMetadata(data, focusUid, laneById){
+  (data.nodes || []).forEach(function(n){
+    var name = (n.label || n.id || "");
+    var svc = n.svc || "";
+    var age = humanAge(n.created);
+    var nodeFixedW = 200;
+    var textMaxWidth = nodeFixedW - 24;
+    var fontSize = age ? (name.length > 36 ? 10 : name.length > 24 ? 11 : 12) : (name.length > 36 ? 11 : name.length > 24 ? 12 : 13);
+    var nameFs = Math.round(fontSize * 1.25);
+    var charsPerLine = Math.max(8, Math.floor(textMaxWidth / (nameFs * 0.6)));
+    var nameLines = Math.max(1, Math.ceil(name.length / charsPerLine));
+    var nameH = nameLines * Math.round(nameFs * 1.5);
+    var svcH = svc ? Math.round((fontSize - 1) * 1.5) + 6 : 0;
+    var ageH = age ? 9 * 2 + 12 : 0;
+    var height = Math.max(80, 16 + nameH + svcH + ageH);
+    n.nodeWidth = nodeFixedW;
+    n.nodeHeight = height;
+    n.fontSize = fontSize;
+    n.bgColor = svcBgColor(svc);
+    n.statusColor = statusColor(n.status || "");
+    n.age = age;
+  });
+  return data;
+}
+
 function graphElements(data, focusUid, laneById){
   var elems = [];
   (data.nodes || []).forEach(function(n){
@@ -509,86 +533,132 @@ function drawGraph(containerId, data, focusUid, forceShowAux){
   if(graphDrawing) return;
   graphDrawing = true;
   var el = document.getElementById(containerId);
-  if(!el || !window.cytoscape) { graphDrawing = false; return; }
+  if(!el) { graphDrawing = false; return; }
   el.innerHTML = "";
   if((data.nodes || []).length === 0){
-    el.innerHTML = '<div class="empty-msg" style="padding:14px">Загрузка графа... Если долго — обновите страницу.</div>';
+    el.innerHTML = '<div class="empty-msg" style="padding:14px">Нет узлов для отображения</div>';
     graphDrawing = false;
     return;
   }
   var layoutMeta = buildRowLayout(data, el.clientWidth || 1200, forceShowAux);
   var posMap = layoutMeta.positions;
-  // Use filtered nodes if available
-  var visibleNodes = data._filteredNodes || data.nodes || [];
-  var visibleIds = new Set(visibleNodes.map(function(n){ return n.id; }));
-  var filteredData = {
-    nodes: visibleNodes,
-    edges: []
-  };
-  var layoutCfg = {
-    name: "preset",
-    fit: true,
-    padding: 24,
-    positions: function(node){ return posMap[node.id()] || {x: 0, y: 0}; },
-    animate: false
-  };
+  var visibleNodes = data.nodes || [];
 
-  var cy = cytoscape({
-    container: el,
-    elements: graphElements(filteredData, focusUid, layoutMeta.laneById),
-    autoungrabify: true,
-    style: [
-      { selector: "node", style: {
-        "shape": "round-rectangle",
-        "background-color": "data(bgColor)",
-        "label": "",
-        "width": "data(width)",
-        "height": "data(height)",
-        "padding": "10px",
-        "border-color": "data(color)",
-        "border-width": 2.4
-      }},
-      { selector: "node.focus", style: { "border-color": "#facc15", "border-width": 3 }}
-    ],
-    layout: layoutCfg
+  // Calculate container bounds
+  var minX = Infinity, maxX = -Infinity, minY = Infinity, maxY = -Infinity;
+  visibleNodes.forEach(function(n){
+    var pos = posMap[n.id];
+    if(!pos) return;
+    var w = n.nodeWidth || 200;
+    var h = n.nodeHeight || 80;
+    minX = Math.min(minX, pos.x - w/2);
+    maxX = Math.max(maxX, pos.x + w/2);
+    minY = Math.min(minY, pos.y - h/2);
+    maxY = Math.max(maxY, pos.y + h/2);
+  });
+  
+  var padding = 40;
+  var containerW = maxX - minX + 2*padding;
+  var containerH = maxY - minY + 2*padding;
+  var offsetX = -minX + padding;
+  var offsetY = -minY + padding;
+
+  // Create SVG container for scrolling
+  var svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
+  svg.setAttribute("width", containerW);
+  svg.setAttribute("height", containerH);
+  svg.setAttribute("viewBox", "0 0 " + containerW + " " + containerH);
+  svg.style.display = "block";
+  svg.style.width = "100%";
+  svg.style.height = "100%";
+  svg.style.backgroundColor = "#0d1117";
+  svg.style.cursor = "default";
+
+  var g = document.createElementNS("http://www.w3.org/2000/svg", "g");
+  
+  // Draw nodes
+  visibleNodes.forEach(function(n){
+    var pos = posMap[n.id];
+    if(!pos) return;
+    var x = pos.x + offsetX;
+    var y = pos.y + offsetY;
+    var w = n.nodeWidth || 200;
+    var h = n.nodeHeight || 80;
+    var bgColor = svcBgColor(n.svc || "");
+    var borderColor = statusColor(n.status || "");
+    var isFocus = focusUid && n.id === focusUid;
+
+    // Rectangle
+    var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
+    rect.setAttribute("x", x - w/2);
+    rect.setAttribute("y", y - h/2);
+    rect.setAttribute("width", w);
+    rect.setAttribute("height", h);
+    rect.setAttribute("rx", 6);
+    rect.setAttribute("fill", bgColor);
+    rect.setAttribute("stroke", isFocus ? "#facc15" : borderColor);
+    rect.setAttribute("stroke-width", isFocus ? 3 : 2.4);
+    rect.style.cursor = "pointer";
+    rect.addEventListener("click", function(){
+      if(n.id) navigateToDep(n.id);
+    });
+    g.appendChild(rect);
+
+    // Text: name (bold, underline), svc (italic), age (small)
+    var nameFs = Math.round((n.fontSize || 13) * 1.25);
+    var txtX = x;
+    var txtY = y - h/4;
+    
+    // Name
+    var nameText = document.createElementNS("http://www.w3.org/2000/svg", "text");
+    nameText.setAttribute("x", txtX);
+    nameText.setAttribute("y", txtY);
+    nameText.setAttribute("text-anchor", "middle");
+    nameText.setAttribute("font-size", nameFs);
+    nameText.setAttribute("font-weight", "bold");
+    nameText.setAttribute("text-decoration", "underline");
+    nameText.setAttribute("fill", "#dbeafe");
+    nameText.setAttribute("font-family", "system-ui, sans-serif");
+    nameText.textContent = n.label || n.id || "";
+    nameText.style.pointerEvents = "none";
+    g.appendChild(nameText);
+
+    // Service
+    if(n.svc){
+      var svcText = document.createElementNS("http://www.w3.org/2000/svg", "text");
+      svcText.setAttribute("x", txtX);
+      svcText.setAttribute("y", txtY + nameFs * 0.8 + 3);
+      svcText.setAttribute("text-anchor", "middle");
+      svcText.setAttribute("font-size", (nameFs - 2));
+      svcText.setAttribute("font-style", "italic");
+      svcText.setAttribute("fill", "#93c5fd");
+      svcText.setAttribute("font-family", "system-ui, sans-serif");
+      svcText.textContent = n.svc;
+      svcText.style.pointerEvents = "none";
+      g.appendChild(svcText);
+    }
+
+    // Age
+    if(n.age){
+      var ageText = document.createElementNS("http://www.w3.org/2000/svg", "text");
+      ageText.setAttribute("x", txtX);
+      ageText.setAttribute("y", y + h/4 + 4);
+      ageText.setAttribute("text-anchor", "middle");
+      ageText.setAttribute("font-size", 9);
+      ageText.setAttribute("font-style", "italic");
+      ageText.setAttribute("fill", "#9ca3af");
+      ageText.setAttribute("font-family", "system-ui, sans-serif");
+      ageText.textContent = "⏱ " + n.age;
+      ageText.style.pointerEvents = "none";
+      g.appendChild(ageText);
+    }
   });
 
-  // HTML labels: render name+svc normally, age as small italic
-  if(cy.nodeHtmlLabel){
-    cy.nodeHtmlLabel([{
-      query: 'node',
-      halign: 'center',
-      valign: 'center',
-      halignBox: 'center',
-      valignBox: 'center',
-      tpl: function(d){
-        var fs = d.fontSize || 13;
-        var nameFs = Math.round(fs * 1.25);
-        var html = '<div style="text-align:center;color:#dbeafe;font-family:system-ui,sans-serif;padding:4px 6px;">';
-        html += '<div style="font-size:'+nameFs+'px;font-weight:700;text-decoration:underline;word-break:break-word;white-space:normal;">' + (d.label||'') + '</div>';
-        if(d.svc) html += '<div style="font-size:'+(fs-1)+'px;font-style:italic;margin-top:3px;color:#93c5fd;">' + d.svc + '</div>';
-        if(d.age) html += '<div style="font-size:9px;font-style:italic;color:#9ca3af;margin-top:10px;">⏱ ' + d.age + '</div>';
-        html += '</div>';
-        return html;
-      }
-    }]);
-  }
+  svg.appendChild(g);
+  el.appendChild(svg);
 
-  // Ensure proper viewport after tab activation/layout changes.
-  var refit = function(){
-    try { cy.resize(); cy.fit(undefined, 24); } catch(e) { /* noop */ }
-  };
-  setTimeout(refit, 0);
-  setTimeout(refit, 120);
-  cy.on("layoutstop", refit);
-  // Release draw guard after layout settles.
-  setTimeout(function(){ graphDrawing = false; }, 300);
-
-  cy.on("tap", "node", function(evt){
-    var n = evt.target.data();
-    var tip = n.fullLabel + "\n" + (n.status || "unknown");
-    if(n.fullLabel) el.title = tip;
-  });
+  // Auto-fit on container size change
+  setTimeout(function(){ graphDrawing = false; }, 50);
 }
 
 function ensureAllGraphLoaded(){
@@ -622,6 +692,7 @@ function renderInstanceGraph(uid){
   var run = function(){
   ensureFullGraphLoaded().then(function(){
     var g = buildDepSubgraphFromDetail(uid);
+    enrichNodesWithMetadata(g);
     if((g.nodes || []).length > 2){
       if(holder) holder.innerHTML = '<div class="graph-inline-note">Граф открыт почти на весь экран для удобства чтения.</div>';
       showGraphModal("Граф зависимостей: " + escHtml(instanceName(uid)), g, uid, true);
@@ -703,7 +774,7 @@ function openRunningGraph(){
   var target = document.getElementById("running-graph");
   if(target) target.innerHTML = '<div class="graph-loading">Собираю граф...</div>';
   ensureAllGraphLoaded()
-    .then(function(data){ drawGraph("running-graph", data || {nodes:[], edges:[]}, ""); })
+    .then(function(data){ enrichNodesWithMetadata(data || {nodes:[], edges:[]}, ""); drawGraph("running-graph", data || {nodes:[], edges:[]}, ""); })
     .catch(function(e){
       var el = document.getElementById("running-graph");
       if(el) el.innerHTML = '<div class="err-msg">' + escHtml(e.message) + '</div>';
@@ -719,6 +790,7 @@ function showGraphModal(title, data, focusUid, forceShowAux){
   var titleEl = document.getElementById("graph-modal-title");
   if(titleEl) titleEl.textContent = title;
   modal.classList.add("open");
+  enrichNodesWithMetadata(data || {nodes:[], edges:[]}, focusUid);
   drawGraph("running-graph", data || {nodes:[], edges:[]}, focusUid || "", forceShowAux);
 }