Merge branch 'develop' of https://git.mrblake.cc/MrBlake/mrb-netbox-topology-views into develop

README.md

@@ -13,11 +13,14 @@ Rückseite und Verkabelung.
 - Ein oder mehrere Racks gemeinsam anzeigen
 - Geräte positionsgenau anhand ihrer Höheneinheiten darstellen
 - Vorder- und Rückseite eines Racks getrennt betrachten
+- Auf- und absteigende HE-Nummerierung sowie individuelle Start-HE automatisch berücksichtigen
 - Rackübergreifende und externe Kabelverbindungen erkennen
 - Geräte in der Kabeltopologie frei verschieben
 - Geräte in der Kabeltopologie innerhalb jedes Racks nach ihrer Rackposition sortieren
 - Kabeltopologie in den Browser-Vollbildmodus schalten
-- WLAN-Verbindungen als violette, gestrichelte Funkstrecken darstellen
+- Kabeltopologie zwischen 50 und 200 Prozent zoomen und im Vollbild scrollen
+- Geräte in der Kabeltopologie mit rund 5 mm Abstand darstellen
+- P2P-WirelessLinks und Multi-Access-WLANs als violette, gestrichelte Funkstrecken darstellen
 - Manuelle Positionen pro Rack-Auswahl im Browser speichern
 - Verbindungen eines Geräts beim Hover weiß hervorheben
 - Alle verbundenen Ports und Gegenstellen eines Geräts anzeigen

netbox_topology_views/static/netbox_topology_views/css/rack_elevation.css

@@ -37,7 +37,7 @@ html[data-netbox-color-mode="dark"] .rack-device {
 .rack-topology {
   position: relative;
   min-height: 18rem;
-  overflow-x: auto;
+  overflow: auto;
   padding: 1rem;
   background: var(--tblr-bg-surface-secondary, rgba(127, 127, 127, .05));
 }
@@ -66,7 +66,7 @@ html[data-netbox-color-mode="dark"] .rack-device {
   width: 15rem;
 }
 .rack-topology-column h4 { text-align: center; font-size: .85rem; }
-.rack-topology-device-list { display: flex; flex-direction: column; gap: 14px; }
+.rack-topology-device-list { display: flex; flex-direction: column; gap: 40px; }
 .rack-topology-node {
   display: block;
   padding: .55rem .75rem;
@@ -100,10 +100,10 @@ html[data-netbox-color-mode="dark"] .rack-device {
   transition: opacity .12s, stroke .12s, filter .12s, stroke-width .12s;
 }
 .rack-topology-edge.is-highlighted {
-  stroke: #fff !important;
+  stroke: var(--topology-highlight-color, #16a34a) !important;
   stroke-width: 5;
   opacity: 1;
-  filter: drop-shadow(0 0 5px #fff);
+  filter: drop-shadow(0 0 5px var(--topology-highlight-color, #16a34a));
 }
 .rack-topology-edge.is-dimmed { opacity: .12; }
 .rack-topology-edge.is-wireless {
@@ -115,8 +115,11 @@ html[data-netbox-color-mode="dark"] .rack-device {
   border: 0;
   border-radius: 0;
   background: var(--tblr-bg-surface, #fff);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
 }
-#rack-topology-card:fullscreen .card-body { min-height: 0; flex: 1; }
+#rack-topology-card:fullscreen .card-body { min-height: 0; flex: 1; overflow: hidden; }
 #rack-topology-card:fullscreen .rack-topology { height: calc(100vh - 5.5rem); }
 .rack-topology-tooltip {
   display: none;
@@ -143,3 +146,10 @@ html[data-netbox-color-mode="dark"] .rack-device {
   border-top: 1px solid var(--tblr-border-color, #ced4da);
 }
 .rack-topology-tooltip small { opacity: .65; }
+.rack-cable-count {
+  min-width: 2rem;
+  margin-left: .35rem;
+  background-color: #52606d !important;
+  color: #fff !important;
+  text-align: center;
+}

netbox_topology_views/static_dev/css/app.scss

@@ -51,7 +51,7 @@ html[data-netbox-color-mode=dark] #visgraph {
 .rack-device:hover span { white-space: normal; }
 .rack-device span, .rack-device small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 .rack-device small { font-size: .6rem; opacity: .8; }
-.rack-topology { position: relative; min-height: 18rem; overflow-x: auto; padding: 1rem; background: var(--tblr-bg-surface-secondary, rgba(127,127,127,.05)); }
+.rack-topology { position: relative; min-height: 18rem; overflow: auto; padding: 1rem; background: var(--tblr-bg-surface-secondary, rgba(127,127,127,.05)); }
 .rack-topology-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
 .rack-topology-columns { position: relative; z-index: 2; display: flex; align-items: flex-start; justify-content: space-around; gap: 5rem; min-width: max-content; pointer-events: none; }
 .rack-topology-column { display: flex; flex-direction: column; gap: .75rem; width: 15rem; }
@@ -62,7 +62,7 @@ html[data-netbox-color-mode=dark] #visgraph {
 .rack-topology-node strong, .rack-topology-node small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 .rack-topology-node small { opacity: .7; }
 .rack-topology-edge { fill: none; stroke-width: 3; opacity: .8; pointer-events: stroke; cursor: pointer; transition: opacity .12s, stroke .12s, filter .12s, stroke-width .12s; }
-.rack-topology-edge.is-highlighted { stroke: #fff !important; stroke-width: 5; opacity: 1; filter: drop-shadow(0 0 5px #fff); }
+.rack-topology-edge.is-highlighted { stroke: var(--topology-highlight-color, #16a34a) !important; stroke-width: 5; opacity: 1; filter: drop-shadow(0 0 5px var(--topology-highlight-color, #16a34a)); }
 .rack-topology-edge.is-dimmed { opacity: .12; }
 .rack-topology-tooltip { display: none; position: absolute; z-index: 10; width: max-content; max-width: 28rem; padding: .65rem .8rem; border: 1px solid var(--tblr-border-color, #ced4da); border-radius: .35rem; background: var(--tblr-bg-surface, #fff); box-shadow: 0 4px 18px rgba(0,0,0,.25); pointer-events: none; }
 .rack-topology-tooltip.is-visible { display: block; }
@@ -70,16 +70,17 @@ html[data-netbox-color-mode=dark] #visgraph {
 .rack-topology-tooltip ul { margin: .4rem 0 0; padding: 0; list-style: none; }
 .rack-topology-tooltip li + li { margin-top: .45rem; padding-top: .45rem; border-top: 1px solid var(--tblr-border-color, #ced4da); }
 .rack-topology-tooltip small { opacity: .65; }
+.rack-cable-count { min-width: 2rem; margin-left: .35rem; background-color: #52606d !important; color: #fff !important; text-align: center; }
 
 .rack-frame {
   border-color: #718096;
   background-color: #fff;
 }
 
-.rack-topology-device-list { display: flex; flex-direction: column; gap: 14px; }
+.rack-topology-device-list { display: flex; flex-direction: column; gap: 40px; }
 .rack-topology-edge.is-wireless { stroke-dasharray: 7 7; stroke-linecap: round; }
-#rack-topology-card:fullscreen { margin: 0 !important; border: 0; border-radius: 0; background: var(--tblr-bg-surface, #fff); }
+#rack-topology-card:fullscreen { margin: 0 !important; border: 0; border-radius: 0; background: var(--tblr-bg-surface, #fff); display: flex; flex-direction: column; overflow: hidden; }
-#rack-topology-card:fullscreen .card-body { min-height: 0; flex: 1; }
+#rack-topology-card:fullscreen .card-body { min-height: 0; flex: 1; overflow: hidden; }
 #rack-topology-card:fullscreen .rack-topology { height: calc(100vh - 5.5rem); }
 
 html[data-bs-theme="dark"], body[data-bs-theme="dark"], html[data-netbox-color-mode="dark"] {

netbox_topology_views/templates/netbox_topology_views/rack_elevation.html

@@ -91,6 +91,11 @@
         <button class="btn btn-sm btn-outline-primary topology-export" data-format="png">PNG</button>
         <button class="btn btn-sm btn-outline-primary topology-export" data-format="drawio">draw.io</button>
       </div>
+      <div class="btn-group" aria-label="Topologie zoomen">
+        <button id="rack-topology-zoom-out" class="btn btn-sm btn-outline-secondary" type="button" title="Verkleinern"><i class="mdi mdi-minus"></i></button>
+        <button id="rack-topology-zoom-reset" class="btn btn-sm btn-outline-secondary" type="button" title="Zoom zurücksetzen"><span id="rack-topology-zoom-label">100%</span></button>
+        <button id="rack-topology-zoom-in" class="btn btn-sm btn-outline-secondary" type="button" title="Vergrößern"><i class="mdi mdi-plus"></i></button>
+      </div>
       <button id="rack-topology-reset" class="btn btn-sm btn-outline-secondary" type="button">
         <i class="mdi mdi-restore"></i> Positionen zurücksetzen
       </button>
@@ -111,7 +116,7 @@
 {{ rack_export|json_script:"rack-export-data" }}
 
 <div class="card mt-4">
-  <div class="card-header"><strong>Verkabelung der angezeigten Racks</strong> <span class="badge bg-secondary">{{ cables|length }}</span></div>
+  <div class="card-header"><strong>Verkabelung der angezeigten Racks</strong> <span class="badge rack-cable-count">{{ cables|length }}</span></div>
   <div class="table-responsive">
     <table class="table table-hover mb-0">
       <thead><tr><th>Kabel</th><th>A-Seite</th><th>B-Seite</th><th>Typ</th><th>Status</th></tr></thead>
@@ -142,6 +147,7 @@
   const source = document.getElementById('rack-topology-data');
   if (!root || !source) return;
   const data = JSON.parse(source.textContent);
+  const isWirelessEdge = edge => edge.kind === 'wireless' || edge.kind === 'wireless-lan';
   const rackData = JSON.parse(document.getElementById('rack-export-data').textContent);
   const columns = root.querySelector('.rack-topology-columns');
   const svg = root.querySelector('svg');
@@ -149,16 +155,47 @@
   const resetButton = document.getElementById('rack-topology-reset');
   const fullscreenButton = document.getElementById('rack-topology-fullscreen');
   const topologyCard = document.getElementById('rack-topology-card');
-  const storageKey = `netbox-rack-topology-v2:${window.location.pathname}${window.location.search}`;
+  const zoomInButton = document.getElementById('rack-topology-zoom-in');
+  const zoomOutButton = document.getElementById('rack-topology-zoom-out');
+  const zoomResetButton = document.getElementById('rack-topology-zoom-reset');
+  const zoomLabel = document.getElementById('rack-topology-zoom-label');
+  let topologyZoom = 1;
+  const activeNetBoxTheme = () => {
+    for (const element of [topologyCard, document.body, document.documentElement]) {
+      const match = getComputedStyle(element).backgroundColor.match(/[\d.]+/g);
+      if (match && match.length >= 3 && (match.length < 4 || Number(match[3]) > 0)) {
+        const [red, green, blue] = match.map(Number);
+        return (.2126 * red + .7152 * green + .0722 * blue) < 140 ? 'dark' : 'light';
+      }
+    }
+    return document.body.dataset.bsTheme || document.documentElement.dataset.bsTheme || 'light';
+  };
+  const topologyHighlightColor = () => activeNetBoxTheme() === 'dark' ? '#ffffff' : '#16a34a';
+  const applyTopologyTheme = () => {
+    root.style.setProperty('--topology-highlight-color', topologyHighlightColor());
+    root.querySelectorAll('.rack-topology-edge.is-highlighted').forEach(path => {
+      path.style.setProperty('stroke', topologyHighlightColor(), 'important');
+      path.style.setProperty('filter', `drop-shadow(0 0 5px ${topologyHighlightColor()})`, 'important');
+    });
+  };
+  applyTopologyTheme();
+  const topologyThemeObserver = new MutationObserver(() => requestAnimationFrame(applyTopologyTheme));
+  topologyThemeObserver.observe(document.body, {attributes: true, attributeFilter: ['data-bs-theme']});
+  topologyThemeObserver.observe(document.documentElement, {
+    attributes: true,
+    attributeFilter: ['data-bs-theme', 'data-netbox-color-mode'],
+  });
+  const storageKey = `netbox-rack-topology-v3:${window.location.pathname}${window.location.search}`;
   let storedPositions = {};
   try { storedPositions = JSON.parse(localStorage.getItem(storageKey) || '{}'); } catch (_) {}
   const groups = new Map();
 
   data.nodes.forEach(node => {
-    const groupKey = node.rack_id ? `rack-${node.rack_id}` : 'external';
+    const groupKey = node.rack_id ? `rack-${node.rack_id}` : `external-${node.rack_name || 'Extern'}`;
     if (!groups.has(groupKey)) groups.set(groupKey, {
       name: node.rack_name || 'Extern',
       rackUnits: node.rack_u_height || null,
+      descUnits: Boolean(node.rack_desc_units),
       nodes: [],
     });
     groups.get(groupKey).nodes.push(node);
@@ -172,8 +209,15 @@
     column.appendChild(heading);
     const nodeContainer = document.createElement('div');
     nodeContainer.className = 'rack-topology-device-list';
+    nodeContainer.style.display = 'flex';
+    nodeContainer.style.flexDirection = 'column';
+    nodeContainer.style.gap = '20px';
+    nodeContainer.style.rowGap = '20px';
     column.appendChild(nodeContainer);
-    group.nodes.sort((a, b) => (b.position || 0) - (a.position || 0)).forEach(node => {
+    group.nodes.sort((a, b) => group.descUnits
+      ? (a.position || 0) - (b.position || 0)
+      : (b.position || 0) - (a.position || 0)
+    ).forEach(node => {
       const item = document.createElement(node.url ? 'a' : 'div');
       item.className = 'rack-topology-node';
       item.id = `topology-${node.node_id}`;
@@ -206,11 +250,21 @@
     element.textContent = value == null ? '—' : String(value);
     return element.innerHTML;
   };
+  const setEdgeHighlighted = (path, highlighted) => {
+    path.classList.toggle('is-highlighted', highlighted);
+    if (highlighted) {
+      path.style.setProperty('stroke', topologyHighlightColor(), 'important');
+      path.style.setProperty('filter', `drop-shadow(0 0 5px ${topologyHighlightColor()})`, 'important');
+    } else {
+      path.style.removeProperty('stroke');
+      path.style.removeProperty('filter');
+    }
+  };
 
   const drawEdges = () => {
     const bounds = root.getBoundingClientRect();
-    let width = Math.max(root.clientWidth, columns.scrollWidth + 32);
+    let width = Math.max(root.clientWidth, columns.scrollWidth * topologyZoom + 32);
-    let height = Math.max(root.clientHeight, columns.scrollHeight + 32);
+    let height = Math.max(root.clientHeight, columns.scrollHeight * topologyZoom + 32);
     svg.style.width = `${width}px`;
     svg.style.height = `${height}px`;
     svg.setAttribute('viewBox', `0 0 ${width} ${height}`);
@@ -229,7 +283,7 @@
       path.setAttribute('d', `M ${x1} ${y1} C ${x1 + bend} ${y1}, ${x2 - bend} ${y2}, ${x2} ${y2}`);
       path.setAttribute('stroke', edge.color);
       path.classList.add('rack-topology-edge');
-      if (edge.kind === 'wireless') path.classList.add('is-wireless');
+      if (isWirelessEdge(edge)) path.classList.add('is-wireless');
       path.dataset.from = edge.from;
       path.dataset.to = edge.to;
       const title = document.createElementNS('http://www.w3.org/2000/svg', 'title');
@@ -237,16 +291,16 @@
       path.appendChild(title);
       if (edge.url) path.addEventListener('click', () => window.location.href = edge.url);
       path.addEventListener('mouseenter', event => {
-        path.classList.add('is-highlighted');
+        setEdgeHighlighted(path, true);
         showTooltip(
-          `<strong>${edge.kind === 'wireless' ? 'WLAN · ' : ''}${escapeHtml(edge.label)}</strong>` +
+          `<strong>${isWirelessEdge(edge) ? 'WLAN · ' : ''}${escapeHtml(edge.label)}</strong>` +
           `<span>${escapeHtml(edge.from_device)} · ${escapeHtml(edge.from_port)}</span>` +
           `<span>↔ ${escapeHtml(edge.to_device)} · ${escapeHtml(edge.to_port)}</span>`,
           event.target
         );
       });
       path.addEventListener('mouseleave', () => {
-        path.classList.remove('is-highlighted');
+        setEdgeHighlighted(path, false);
         hideTooltip();
       });
       svg.appendChild(path);
@@ -259,20 +313,24 @@
     node.addEventListener('mouseenter', () => {
       const connections = connectedEdges(nodeId);
       svg.querySelectorAll('.rack-topology-edge').forEach(path => {
-        path.classList.toggle('is-highlighted', path.dataset.from === nodeId || path.dataset.to === nodeId);
+        const connected = path.dataset.from === nodeId || path.dataset.to === nodeId;
-        path.classList.toggle('is-dimmed', path.dataset.from !== nodeId && path.dataset.to !== nodeId);
+        setEdgeHighlighted(path, connected);
+        path.classList.toggle('is-dimmed', !connected);
       });
       const rows = connections.map(edge => {
         const outgoing = edge.from === nodeId;
         const localPort = outgoing ? edge.from_port : edge.to_port;
         const remoteDevice = outgoing ? edge.to_device : edge.from_device;
         const remotePort = outgoing ? edge.to_port : edge.from_port;
-        return `<li><strong>${escapeHtml(localPort)}</strong><span>→ ${escapeHtml(remoteDevice)} · ${escapeHtml(remotePort)}</span><small>${edge.kind === 'wireless' ? 'WLAN · ' : ''}${escapeHtml(edge.label)}</small></li>`;
+        return `<li><strong>${escapeHtml(localPort)}</strong><span>→ ${escapeHtml(remoteDevice)} · ${escapeHtml(remotePort)}</span><small>${isWirelessEdge(edge) ? 'WLAN · ' : ''}${escapeHtml(edge.label)}</small></li>`;
       }).join('');
       showTooltip(`<strong>Verbindungen (${connections.length})</strong><ul>${rows || '<li>Keine Verbindungen</li>'}</ul>`, node);
     });
     node.addEventListener('mouseleave', () => {
-      svg.querySelectorAll('.rack-topology-edge').forEach(path => path.classList.remove('is-highlighted', 'is-dimmed'));
+      svg.querySelectorAll('.rack-topology-edge').forEach(path => {
+        setEdgeHighlighted(path, false);
+        path.classList.remove('is-dimmed');
+      });
       hideTooltip();
     });
 
@@ -287,8 +345,8 @@
     });
     node.addEventListener('pointermove', event => {
       if (!drag) return;
-      const x = drag.x + event.clientX - drag.startX;
+      const x = drag.x + (event.clientX - drag.startX) / topologyZoom;
-      const y = drag.y + event.clientY - drag.startY;
+      const y = drag.y + (event.clientY - drag.startY) / topologyZoom;
       drag.moved ||= Math.abs(x - drag.x) > 3 || Math.abs(y - drag.y) > 3;
       node.style.transform = `translate(${x}px, ${y}px)`;
       storedPositions[nodeId] = {x, y};
@@ -328,15 +386,22 @@
       : '<i class="mdi mdi-fullscreen"></i> Vollbild';
     requestAnimationFrame(drawEdges);
   });
+  const setTopologyZoom = value => {
+    topologyZoom = Math.min(2, Math.max(.5, Math.round(value * 10) / 10));
+    columns.style.zoom = topologyZoom;
+    zoomLabel.textContent = `${Math.round(topologyZoom * 100)}%`;
+    requestAnimationFrame(drawEdges);
+  };
+  zoomInButton?.addEventListener('click', () => setTopologyZoom(topologyZoom + .1));
+  zoomOutButton?.addEventListener('click', () => setTopologyZoom(topologyZoom - .1));
+  zoomResetButton?.addEventListener('click', () => setTopologyZoom(1));
 
   const xmlEscape = value => String(value ?? '').replace(/[&<>"']/g, char => ({
     '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&apos;'
   })[char]);
   const safeName = value => String(value || 'export').replace(/[^a-z0-9._-]+/gi, '-').replace(/^-|-$/g, '');
   const exportPalette = () => {
-    const declaredTheme = document.body.dataset.bsTheme ||
+    const declaredTheme = activeNetBoxTheme();
-      document.documentElement.dataset.bsTheme ||
-      document.documentElement.dataset.netboxColorMode || '';
     const dark = declaredTheme === 'dark' || (!declaredTheme && window.matchMedia('(prefers-color-scheme: dark)').matches);
     return dark ? {
       frame: '#52606d', grid: '#667382', heading: '#8fc8ff', muted: '#a9b7c6',
@@ -358,11 +423,16 @@
     const devices = Array.from(card.querySelectorAll('.rack-device')).map(device => {
       const bottom = Number.parseFloat(device.style.bottom) || 0;
       const height = Number.parseFloat(device.style.height) || (100 / rackUnits);
+      const deviceHeight = Math.max(height / 100 * rackUnits, 1);
+      const bottomUnits = bottom / 100 * rackUnits;
+      const startingUnit = Number(rack.starting_unit) || 1;
       return {
         name: device.dataset.deviceName || device.querySelector('span')?.textContent || 'Gerät',
         type: device.dataset.deviceType || '',
-        position: bottom / 100 * rackUnits + 1,
+        position: rack.desc_units
-        height: Math.max(height / 100 * rackUnits, 1),
+          ? startingUnit + rackUnits - deviceHeight - bottomUnits
+          : startingUnit + bottomUnits,
+        height: deviceHeight,
         face: device.dataset.face === 'rear' ? 'rear' : 'front',
         color: device.dataset.deviceColor || '#1685fc',
       };
@@ -383,18 +453,23 @@
     racks.forEach((rack, rackIndex) => {
       const baseX = 10 + rackIndex * (rackWidth + rackGap);
       const rackHeight = rack.u_height * unit;
+      const startingUnit = Number(rack.starting_unit) || 1;
       vertex(rack.name, `text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;fontSize=16;fontStyle=1;fontColor=${palette.heading};`, baseX, 0, rackWidth, 25);
       vertex(`${rack.site}${rack.location ? ` · ${rack.location}` : ''} · ${rack.u_height}U`, `text;html=1;strokeColor=none;fillColor=none;align=left;fontSize=10;fontColor=${palette.muted};`, baseX, 24, rackWidth, 20);
       ['front', 'rear'].forEach((face, faceIndex) => {
         const x = baseX + labelWidth + faceIndex * (faceWidth + faceGap);
         vertex(face === 'front' ? 'VORDERSEITE' : 'RÜCKSEITE', `text;html=1;strokeColor=none;fillColor=none;align=center;fontSize=10;fontColor=${palette.muted};`, x, 38, faceWidth, 17);
         vertex('', `rounded=0;html=1;fillColor=none;strokeColor=${palette.frame};strokeWidth=4;`, x, header, faceWidth, rackHeight);
-        for (let u = 1; u <= rack.u_height; u++) {
+        for (let row = 0; row < rack.u_height; row++) {
-          const y = header + rackHeight - u * unit;
+          const y = header + row * unit;
-          if (faceIndex === 0) vertex(String(u), `text;html=1;strokeColor=none;fillColor=none;align=right;fontSize=8;fontColor=${palette.muted};`, x - labelWidth, y, labelWidth - 4, unit);
+          const unitLabel = rack.desc_units ? startingUnit + row : startingUnit + rack.u_height - 1 - row;
+          if (faceIndex === 0) vertex(String(unitLabel), `text;html=1;strokeColor=none;fillColor=none;align=right;fontSize=8;fontColor=${palette.muted};`, x - labelWidth, y, labelWidth - 4, unit);
         }
         rack.devices.filter(device => device.face === face).forEach(device => {
-          const y = header + rackHeight - (device.position - 1 + device.height) * unit;
+          const positionOffset = device.position - startingUnit;
+          const y = rack.desc_units
+            ? header + positionOffset * unit
+            : header + rackHeight - (positionOffset + device.height) * unit;
           const h = Math.max(device.height * unit, 4);
           const value = h >= 31 ? `${device.name}<br><font style="font-size:9px">U${device.position} · ${device.type}</font>` : device.name;
           vertex(value, `rounded=1;html=1;whiteSpace=wrap;overflow=hidden;align=left;verticalAlign=top;spacingLeft=5;spacingTop=2;fillColor=${palette.deviceFill};strokeColor=${device.color};strokeWidth=2;fontColor=${palette.deviceText};fontSize=11;`, x + 3, y + 1, faceWidth - 6, h - 2);
@@ -415,19 +490,24 @@
     racks.forEach((rack, rackIndex) => {
       const baseX = 10 + rackIndex * (rackWidth + rackGap);
       const rackHeight = rack.u_height * unit;
+      const startingUnit = Number(rack.starting_unit) || 1;
       content += `<text x="${baseX}" y="20" fill="${palette.heading}" font-family="sans-serif" font-size="16" font-weight="700">${xmlEscape(rack.name)}</text>`;
       content += `<text x="${baseX}" y="39" fill="${palette.muted}" font-family="sans-serif" font-size="11">${xmlEscape(rack.site)}${rack.location ? ` · ${xmlEscape(rack.location)}` : ''} · ${rack.u_height}U</text>`;
       ['front', 'rear'].forEach((face, faceIndex) => {
         const x = baseX + labelWidth + faceIndex * (faceWidth + faceGap);
         content += `<text x="${x + faceWidth / 2}" y="51" text-anchor="middle" fill="${palette.muted}" font-family="sans-serif" font-size="10">${face === 'front' ? 'VORDERSEITE' : 'RÜCKSEITE'}</text>`;
         content += `<rect x="${x}" y="${header}" width="${faceWidth}" height="${rackHeight}" fill="none" stroke="${palette.frame}" stroke-width="4"/>`;
-        for (let u = 1; u <= rack.u_height; u++) {
+        for (let row = 0; row < rack.u_height; row++) {
-          const y = header + rackHeight - u * unit;
+          const y = header + row * unit;
+          const unitLabel = rack.desc_units ? startingUnit + row : startingUnit + rack.u_height - 1 - row;
           content += `<line x1="${x}" y1="${y}" x2="${x + faceWidth}" y2="${y}" stroke="${palette.grid}" stroke-opacity=".35"/>`;
-          if (faceIndex === 0) content += `<text x="${x - 6}" y="${y + 15}" text-anchor="end" fill="${palette.muted}" font-family="sans-serif" font-size="9">${u}</text>`;
+          if (faceIndex === 0) content += `<text x="${x - 6}" y="${y + 15}" text-anchor="end" fill="${palette.muted}" font-family="sans-serif" font-size="9">${unitLabel}</text>`;
         }
         rack.devices.filter(device => device.face === face).forEach(device => {
-          const y = header + rackHeight - (device.position - 1 + device.height) * unit;
+          const positionOffset = device.position - startingUnit;
+          const y = rack.desc_units
+            ? header + positionOffset * unit
+            : header + rackHeight - (positionOffset + device.height) * unit;
           const h = Math.max(device.height * unit, 4);
           content += `<rect x="${x + 3}" y="${y + 1}" width="${faceWidth - 6}" height="${h - 2}" rx="3" fill="${palette.deviceFill}" stroke="${xmlEscape(device.color)}" stroke-width="2"/>`;
           if (h >= 13) content += `<text x="${x + 9}" y="${y + Math.min(15, h - 4)}" fill="${palette.deviceText}" font-family="sans-serif" font-size="11" font-weight="600">${xmlEscape(device.name.slice(0, 34))}</text>`;
@@ -441,8 +521,8 @@
   const buildTopologySvg = () => {
     const palette = exportPalette();
     const rootBounds = root.getBoundingClientRect();
-    let width = Math.max(root.clientWidth, columns.scrollWidth + 32);
+    let width = Math.max(root.clientWidth, columns.scrollWidth * topologyZoom + 32);
-    let height = Math.max(root.clientHeight, columns.scrollHeight + 32);
+    let height = Math.max(root.clientHeight, columns.scrollHeight * topologyZoom + 32);
     const positions = new Map();
     const nodeCells = new Map();
     let content = '';
@@ -475,10 +555,10 @@
       const a = positions.get(edge.from), b = positions.get(edge.to);
       if (!a || !b) return;
       const bend = Math.max(30, Math.abs(b.x - a.x) * .35);
-      edgeContent += `<path d="M ${a.x} ${a.y} C ${a.x + bend} ${a.y}, ${b.x - bend} ${b.y}, ${b.x} ${b.y}" fill="none" stroke="${xmlEscape(edge.color)}" stroke-width="3"${edge.kind === 'wireless' ? ' stroke-dasharray="7 7"' : ''}/>`;
+      edgeContent += `<path d="M ${a.x} ${a.y} C ${a.x + bend} ${a.y}, ${b.x - bend} ${b.y}, ${b.x} ${b.y}" fill="none" stroke="${xmlEscape(edge.color)}" stroke-width="3"${isWirelessEdge(edge) ? ' stroke-dasharray="7 7"' : ''}/>`;
       const sourceId = nodeCells.get(edge.from), targetId = nodeCells.get(edge.to);
       if (sourceId && targetId) {
-        drawioCells += `<mxCell id="edge-${drawioId++}" value="${xmlEscape(edge.kind === 'wireless' ? `WLAN · ${edge.label}` : edge.label)}" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=none;endFill=0;strokeColor=${xmlEscape(edge.color)};strokeWidth=2;fontSize=9;${edge.kind === 'wireless' ? 'dashed=1;dashPattern=7 7;' : ''}" edge="1" parent="1" source="${sourceId}" target="${targetId}"><mxGeometry relative="1" as="geometry"/></mxCell>`;
+        drawioCells += `<mxCell id="edge-${drawioId++}" value="${xmlEscape(isWirelessEdge(edge) ? `WLAN · ${edge.label}` : edge.label)}" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=none;endFill=0;strokeColor=${xmlEscape(edge.color)};strokeWidth=2;fontSize=9;${isWirelessEdge(edge) ? 'dashed=1;dashPattern=7 7;' : ''}" edge="1" parent="1" source="${sourceId}" target="${targetId}"><mxGeometry relative="1" as="geometry"/></mxCell>`;
       }
     });
     return {svg: svgDocument(width, height, edgeContent + content), drawio: drawioDocument(drawioCells), width, height};

netbox_topology_views/views.py

@@ -27,7 +27,7 @@ from django.http import HttpRequest, HttpResponseRedirect, QueryDict
 from django.shortcuts import render, get_object_or_404
 from django.views.generic import View
 from extras.models import Tag, SavedFilter
-from wireless.models import WirelessLink
+from wireless.models import WirelessLAN, WirelessLink
 from netbox.views.generic import (
     ObjectView, 
     ObjectListView, 
@@ -928,9 +928,11 @@ def _rack_endpoint(termination):
         "url": device.get_absolute_url() if device else None,
         "color": getattr(getattr(device, "role", None), "color", None) or "1685fc",
         "position": float(device.position or 1) if device else None,
-        "height": max(getattr(getattr(device, "device_type", None), "u_height", 1) or 1, 1) if device else 1,
+        "height": float(max(getattr(getattr(device, "device_type", None), "u_height", 1) or 1, 1)) if device else 1,
         "face": str(device.face or "front").lower() if device else "front",
         "rack_u_height": getattr(getattr(device, "rack", None), "u_height", None),
+        "rack_desc_units": getattr(getattr(device, "rack", None), "desc_units", False),
+        "rack_starting_unit": getattr(getattr(device, "rack", None), "starting_unit", 1),
         "subtitle": str(device.device_type) if device else getattr(termination, "name", str(termination)),
     }
 
@@ -965,27 +967,42 @@ class RackElevationView(PermissionRequiredMixin, View):
         device_ids = []
         for device in devices.filter(rack_id__in=rack_ids).order_by("rack_id", "position", "name"):
             device_ids.append(device.pk)
-            height = max(getattr(device.device_type, "u_height", 1) or 1, 1)
+            height = float(max(getattr(device.device_type, "u_height", 1) or 1, 1))
             rack_height = max(device.rack.u_height or 1, 1)
-            device.elevation_bottom = f"{(float(device.position or 1) - 1) / rack_height * 100:.4f}"
+            rack_start = float(device.rack.starting_unit or 1)
+            position_offset = float(device.position or rack_start) - rack_start
+            if device.rack.desc_units:
+                bottom_units = rack_height - position_offset - height
+            else:
+                bottom_units = position_offset
+            device.elevation_bottom = f"{max(bottom_units, 0) / rack_height * 100:.4f}"
             device.elevation_height = f"{min(height / rack_height * 100, 100):.4f}"
             device.elevation_face = str(device.face or "front").lower()
             rack_devices[device.rack_id].append(device)
 
         for rack in rack_list:
             rack.elevation_devices = rack_devices[rack.pk]
-            rack.elevation_unit_labels = range(rack.u_height or 0, 0, -1)
+            rack_start = rack.starting_unit or 1
+            if rack.desc_units:
+                rack.elevation_unit_labels = range(rack_start, rack_start + (rack.u_height or 0))
+            else:
+                rack.elevation_unit_labels = range(
+                    rack_start + (rack.u_height or 0) - 1,
+                    rack_start - 1,
+                    -1,
+                )
 
         rack_export = []
         for rack in rack_list:
             rack_export.append({
                 "id": rack.pk, "name": rack.name, "u_height": rack.u_height,
+                "starting_unit": rack.starting_unit, "desc_units": rack.desc_units,
                 "site": str(rack.site), "location": str(rack.location or ""),
                 "devices": [{
                     "name": device.name or str(device.device_type),
                     "type": str(device.device_type),
                     "position": float(device.position or 1),
-                    "height": max(device.device_type.u_height or 1, 1),
+                    "height": float(max(device.device_type.u_height or 1, 1)),
                     "face": device.elevation_face,
                     "color": f"#{device.role.color}" if device.role.color else "#1685fc",
                 } for device in rack.elevation_devices],
@@ -1021,8 +1038,8 @@ class RackElevationView(PermissionRequiredMixin, View):
                             })
 
             wireless_links = WirelessLink.objects.restrict(request.user, "view").filter(
-                Q(_interface_a_device_id__in=device_ids) |
+                Q(interface_a__device_id__in=device_ids) |
-                Q(_interface_b_device_id__in=device_ids)
+                Q(interface_b__device_id__in=device_ids)
             ).select_related(
                 "interface_a__device__rack", "interface_a__device__role", "interface_a__device__device_type",
                 "interface_b__device__rack", "interface_b__device__role", "interface_b__device__device_type",
@@ -1041,6 +1058,34 @@ class RackElevationView(PermissionRequiredMixin, View):
                     "kind": "wireless",
                 })
 
+            wireless_lans = WirelessLAN.objects.restrict(request.user, "view").filter(
+                interfaces__device_id__in=device_ids
+            ).distinct()
+            for wireless_lan in wireless_lans:
+                wlan_node_id = f"wlan-{wireless_lan.pk}"
+                topology_nodes[wlan_node_id] = {
+                    "node_id": wlan_node_id, "device_id": None,
+                    "device_name": f"WLAN · {wireless_lan.ssid}",
+                    "name": wireless_lan.ssid, "subtitle": "Multi-Access WLAN",
+                    "rack_id": None, "rack_name": "Funknetze",
+                    "url": wireless_lan.get_absolute_url(), "color": "8b5cf6",
+                    "position": None, "height": 1, "face": "front", "rack_u_height": None,
+                }
+                wlan_interfaces = Interface.objects.restrict(request.user, "view").filter(
+                    wireless_lans=wireless_lan
+                ).select_related("device__rack", "device__role", "device__device_type")
+                for interface in wlan_interfaces:
+                    endpoint = _rack_endpoint(interface)
+                    topology_nodes[endpoint["node_id"]] = endpoint
+                    topology_edges.append({
+                        "from": endpoint["node_id"], "to": wlan_node_id,
+                        "from_device": endpoint["device_name"],
+                        "to_device": f"WLAN · {wireless_lan.ssid}",
+                        "from_port": endpoint["name"], "to_port": wireless_lan.ssid,
+                        "label": wireless_lan.ssid, "color": "#8b5cf6",
+                        "url": wireless_lan.get_absolute_url(), "kind": "wireless-lan",
+                    })
+
         return render(request, "netbox_topology_views/rack_elevation.html", {
             "filter_form": RackElevationFilterForm(request.GET or None),
             "racks": rack_list, "cables": cable_rows,