defekter floorplan

2026-02-13 12:51:09 +01:00
parent 2c90ff8ddf
commit 2891f52f84
9 changed files with 465 additions and 36 deletions
--- a/app/index.php
+++ b/app/index.php
@@ -34,8 +34,7 @@ $validActions = ['list', 'edit', 'save', 'ports', 'delete'];

 // Prüfen auf gültige Werte
 if (!in_array($module, $validModules)) {
-    // TODO: Fehlerseite anzeigen, nutze renderClientError(...)
-    die('Ungültiges Modul');
+    renderClientError(400, 'Ungültiges Modul');
 }

 if (!in_array($action, $validActions)) {
--- a/app/modules/connections/list.php
+++ b/app/modules/connections/list.php
@@ -68,6 +68,66 @@ $connections = $sql->get(
 // =========================
 $devices = $sql->get("SELECT id, name FROM devices ORDER BY name", "", []);

+$selectedDevice = null;
+$selectedDevicePorts = [];
+$selectedDeviceVlans = [];
+
+if ($deviceId > 0) {
+    $selectedDevice = $sql->single(
+        "SELECT d.id, d.name, dt.name AS type_name
+         FROM devices d
+         LEFT JOIN device_types dt ON d.device_type_id = dt.id
+         WHERE d.id = ?",
+        "i",
+        [$deviceId]
+    );
+
+    if ($selectedDevice) {
+        $selectedDevice['port_count'] = (int)($sql->single(
+            "SELECT COUNT(*) AS cnt FROM device_ports WHERE device_id = ?",
+            "i",
+            [$deviceId]
+        )['cnt'] ?? 0);
+
+        $selectedDevice['connection_count'] = (int)($sql->single(
+            "SELECT COUNT(DISTINCT c.id) AS cnt
+             FROM connections c
+             LEFT JOIN device_ports dpt1 ON c.port_a_type = 'device' AND c.port_a_id = dpt1.id
+             LEFT JOIN device_ports dpt2 ON c.port_b_type = 'device' AND c.port_b_id = dpt2.id
+             WHERE dpt1.device_id = ? OR dpt2.device_id = ?",
+            "ii",
+            [$deviceId, $deviceId]
+        )['cnt'] ?? 0);
+
+        $selectedDevicePorts = $sql->get(
+            "SELECT name, vlan_config
+             FROM device_ports
+             WHERE device_id = ?
+             ORDER BY id
+             LIMIT 12",
+            "i",
+            [$deviceId]
+        );
+
+        foreach ($selectedDevicePorts as $port) {
+            if (empty($port['vlan_config'])) {
+                continue;
+            }
+
+            $vlans = json_decode($port['vlan_config'], true);
+            foreach ((array)$vlans as $vlan) {
+                $vlan = trim((string)$vlan);
+                if ($vlan !== '') {
+                    $selectedDeviceVlans[$vlan] = true;
+                }
+            }
+        }
+
+        $selectedDeviceVlans = array_keys($selectedDeviceVlans);
+        natcasesort($selectedDeviceVlans);
+    }
+}
+
 ?>

 <div class="connections-container">
@@ -195,14 +255,31 @@ $devices = $sql->get("SELECT id, name FROM devices ORDER BY name", "", []);
     ========================= -->

 <aside class="sidebar">
-    <!-- TODO: Details zum ausgewählten Gerät anzeigen -->
-    <!--
-        - Gerätename
-        - Gerätetyp
-        - Ports
-        - VLANs
-        - Verbindungen
-    -->
+    <?php if ($selectedDevice): ?>
+        <h3>Ausgewähltes Gerät</h3>
+        <p><strong><?php echo htmlspecialchars($selectedDevice['name']); ?></strong></p>
+        <p>Typ: <?php echo htmlspecialchars($selectedDevice['type_name'] ?? '—'); ?></p>
+        <p>Ports: <?php echo (int)$selectedDevice['port_count']; ?></p>
+        <p>Verbindungen: <?php echo (int)$selectedDevice['connection_count']; ?></p>
+        <p>
+            VLANs:
+            <?php if (!empty($selectedDeviceVlans)): ?>
+                <?php echo htmlspecialchars(implode(', ', $selectedDeviceVlans)); ?>
+            <?php else: ?>
+                —
+            <?php endif; ?>
+        </p>
+        <?php if (!empty($selectedDevicePorts)): ?>
+            <h4>Ports (max. 12)</h4>
+            <ul>
+                <?php foreach ($selectedDevicePorts as $port): ?>
+                    <li><?php echo htmlspecialchars($port['name']); ?></li>
+                <?php endforeach; ?>
+            </ul>
+        <?php endif; ?>
+    <?php else: ?>
+        <p><em>Bitte ein Gerät im Filter auswählen.</em></p>
+    <?php endif; ?>

    <!-- TODO: Verbindung bearbeiten / löschen -->
 </aside>
--- a/app/modules/floor_infrastructure/edit.php
+++ b/app/modules/floor_infrastructure/edit.php
@@ -94,6 +94,7 @@ if ($type === 'patchpanel') {

 $defaultPanelSize = ['width' => 140, 'height' => 40];
 $defaultOutletSize = 32;
+$showPanelPlacementFields = $type === 'patchpanel' && $selectedFloorId > 0;

 if ($type === 'patchpanel') {
    $panel['width'] = $panel['width'] ?? $defaultPanelSize['width'];
@@ -160,26 +161,26 @@ $markerHeight = $type === 'patchpanel' ? $panel['height'] : $defaultOutletSize;
                </div>
            </div>

-            <div class="form-grid">
+            <div id="panel-placement-fields" class="form-grid" <?php echo $showPanelPlacementFields ? '' : 'hidden'; ?>>
                <div class="form-group">
                    <label>X</label>
-                    <input type="number" name="pos_x" value="<?php echo $panel['pos_x'] ?? 0; ?>" required>
+                    <input type="number" name="pos_x" value="<?php echo $panel['pos_x'] ?? 0; ?>">
                </div>
                <div class="form-group">
                    <label>Y</label>
-                    <input type="number" name="pos_y" value="<?php echo $panel['pos_y'] ?? 0; ?>" required>
+                    <input type="number" name="pos_y" value="<?php echo $panel['pos_y'] ?? 0; ?>">
                </div>
                <div class="form-group">
                    <label>Breite</label>
-                    <input type="number" name="width" value="<?php echo $panel['width']; ?>" required readonly title="Breite wird automatisch nach Standardwerten vorgegeben.">
+                    <input type="number" name="width" value="<?php echo $panel['width']; ?>" readonly title="Breite wird automatisch nach Standardwerten vorgegeben.">
                </div>
                <div class="form-group">
                    <label>Höhe</label>
-                    <input type="number" name="height" value="<?php echo $panel['height']; ?>" required readonly title="Höhe wird automatisch nach Standardwerten vorgegeben.">
+                    <input type="number" name="height" value="<?php echo $panel['height']; ?>" readonly title="Höhe wird automatisch nach Standardwerten vorgegeben.">
                </div>
            </div>

-            <div class="form-group">
+            <div id="panel-floor-plan-group" class="form-group" <?php echo $showPanelPlacementFields ? '' : 'hidden'; ?>>
                <label>Stockwerkskarte</label>
                <div class="floor-plan-block">
                    <div id="floor-plan-canvas" class="floor-plan-canvas"
@@ -202,6 +203,10 @@ $markerHeight = $type === 'patchpanel' ? $panel['height'] : $defaultOutletSize;
                <input type="number" name="port_count" value="<?php echo $panel['port_count'] ?? 0; ?>" min="0">
            </div>

+            <p id="panel-floor-missing-hint" class="info" <?php echo $showPanelPlacementFields ? 'hidden' : ''; ?>>
+                Position, Groesse und Stockwerkskarte werden erst angezeigt, sobald ein Stockwerk ausgewaehlt ist.
+            </p>
+
            <div class="form-group">
                <label>Kommentar</label>
                <textarea name="comment"><?php echo htmlspecialchars($panel['comment'] ?? ''); ?></textarea>
@@ -476,6 +481,9 @@ document.addEventListener('DOMContentLoaded', () => {
    const panelFloorSelect = document.getElementById('panel-floor-select');
    const outletRoomSelect = document.getElementById('outlet-room-select');
    const floorPlanSvg = document.getElementById('floor-plan-svg');
+    const panelPlacementFields = document.getElementById('panel-placement-fields');
+    const panelFloorPlanGroup = document.getElementById('panel-floor-plan-group');
+    const panelFloorMissingHint = document.getElementById('panel-floor-missing-hint');

    const buildingOptions = panelBuildingSelect ? Array.from(panelBuildingSelect.options).filter((option) => option.value !== '') : [];
    const floorOptions = panelFloorSelect ? Array.from(panelFloorSelect.options).filter((option) => option.value !== '') : [];
@@ -491,8 +499,30 @@ document.addEventListener('DOMContentLoaded', () => {

        if (svgUrl) {
            floorPlanSvg.src = svgUrl;
+            floorPlanSvg.hidden = false;
        } else {
            floorPlanSvg.removeAttribute('src');
+            floorPlanSvg.hidden = true;
+        }
+    };
+
+    if (floorPlanSvg) {
+        floorPlanSvg.addEventListener('error', () => {
+            floorPlanSvg.removeAttribute('src');
+            floorPlanSvg.hidden = true;
+        });
+    }
+
+    const updatePanelPlacementVisibility = () => {
+        if (!panelFloorSelect || !panelPlacementFields || !panelFloorPlanGroup) {
+            return;
+        }
+
+        const hasFloor = !!panelFloorSelect.value;
+        panelPlacementFields.hidden = !hasFloor;
+        panelFloorPlanGroup.hidden = !hasFloor;
+        if (panelFloorMissingHint) {
+            panelFloorMissingHint.hidden = hasFloor;
        }
    };

@@ -517,6 +547,7 @@ document.addEventListener('DOMContentLoaded', () => {
            panelFloorSelect.value = firstMatch;
        }

+        updatePanelPlacementVisibility();
        updateFloorPlanImage();
    };

@@ -557,6 +588,7 @@ document.addEventListener('DOMContentLoaded', () => {

    if (panelFloorSelect) {
        panelFloorSelect.addEventListener('change', () => {
+            updatePanelPlacementVisibility();
            updateFloorPlanImage();
        });
    }
@@ -573,5 +605,8 @@ document.addEventListener('DOMContentLoaded', () => {
    } else {
        updateFloorPlanImage();
    }
+
+    updatePanelPlacementVisibility();
 });
 </script>
+
--- a/app/modules/floor_infrastructure/list.php
+++ b/app/modules/floor_infrastructure/list.php
@@ -2,12 +2,12 @@
 /**
 * app/modules/floor_infrastructure/list.php
 *
- * Übersicht über Patchpanels und Netzwerkbuchsen auf Stockwerken
+ * Uebersicht ueber Patchpanels und Netzwerkbuchsen auf Stockwerken
 */

 $floorId = (int)($_GET['floor_id'] ?? 0);

-$floors = $sql->get("SELECT id, name FROM floors ORDER BY name", "", []);
+$floors = $sql->get("SELECT id, name, svg_path FROM floors ORDER BY name", "", []);

 $where = '';
 $types = '';
@@ -30,7 +30,7 @@ $patchPanels = $sql->get(
 );

 $networkOutlets = $sql->get(
-    "SELECT o.*, r.name AS room_name, f.name AS floor_name
+    "SELECT o.*, r.name AS room_name, f.name AS floor_name, f.id AS floor_id
     FROM network_outlets o
     LEFT JOIN rooms r ON r.id = o.room_id
     LEFT JOIN floors f ON f.id = r.floor_id
@@ -38,6 +38,62 @@ $networkOutlets = $sql->get(
    "",
    []
 );
+
+$floorMap = [];
+foreach ($floors as $floor) {
+    $id = (int)$floor['id'];
+    $svgPath = trim((string)($floor['svg_path'] ?? ''));
+    $floorMap[$id] = [
+        'id' => $id,
+        'name' => (string)($floor['name'] ?? ''),
+        'svg_url' => $svgPath !== '' ? '/' . ltrim($svgPath, '/\\') : ''
+    ];
+}
+
+$editorFloorId = $floorId;
+if ($editorFloorId <= 0) {
+    foreach ($floorMap as $candidate) {
+        if ($candidate['svg_url'] !== '') {
+            $editorFloorId = (int)$candidate['id'];
+            break;
+        }
+    }
+}
+
+$editorFloor = $floorMap[$editorFloorId] ?? null;
+$editorPatchPanels = [];
+$editorOutlets = [];
+
+if ($editorFloorId > 0) {
+    foreach ($patchPanels as $panel) {
+        if ((int)$panel['floor_id'] === $editorFloorId) {
+            $editorPatchPanels[] = [
+                'id' => (int)$panel['id'],
+                'name' => (string)$panel['name'],
+                'floor_id' => (int)$panel['floor_id'],
+                'x' => (int)$panel['pos_x'],
+                'y' => (int)$panel['pos_y'],
+                'width' => max(1, (int)$panel['width']),
+                'height' => max(1, (int)$panel['height']),
+                'port_count' => (int)$panel['port_count'],
+                'comment' => (string)($panel['comment'] ?? '')
+            ];
+        }
+    }
+
+    foreach ($networkOutlets as $outlet) {
+        if ((int)$outlet['floor_id'] === $editorFloorId) {
+            $editorOutlets[] = [
+                'id' => (int)$outlet['id'],
+                'name' => (string)$outlet['name'],
+                'room_id' => (int)$outlet['room_id'],
+                'x' => (int)$outlet['x'],
+                'y' => (int)$outlet['y'],
+                'comment' => (string)($outlet['comment'] ?? '')
+            ];
+        }
+    }
+}
 ?>

 <div class="floor-infra">
@@ -45,10 +101,10 @@ $networkOutlets = $sql->get(

    <div class="toolbar">
        <a href="?module=floor_infrastructure&action=edit&type=patchpanel" class="button button-primary">
-            + Patchpanel hinzufügen
+            + Patchpanel hinzufuegen
        </a>
        <a href="?module=floor_infrastructure&action=edit&type=outlet" class="button">
-            + Wandbuchse hinzufügen
+            + Wandbuchse hinzufuegen
        </a>
    </div>

@@ -66,7 +122,7 @@ $networkOutlets = $sql->get(
        </select>

        <button class="button">Filter</button>
-        <a href="?module=floor_infrastructure&action=list" class="button">Zurücksetzen</a>
+        <a href="?module=floor_infrastructure&action=list" class="button">Zuruecksetzen</a>
    </form>

    <section class="infra-section">
@@ -78,7 +134,7 @@ $networkOutlets = $sql->get(
                        <th>Name</th>
                        <th>Stockwerk</th>
                        <th>Position</th>
-                        <th>Größe</th>
+                        <th>Groesse</th>
                        <th>Ports</th>
                        <th>Aktionen</th>
                    </tr>
@@ -87,9 +143,9 @@ $networkOutlets = $sql->get(
                    <?php foreach ($patchPanels as $panel): ?>
                        <tr>
                            <td><?php echo htmlspecialchars($panel['name']); ?></td>
-                            <td><?php echo htmlspecialchars($panel['floor_name'] ?? '—'); ?></td>
-                            <td><?php echo $panel['pos_x'] . ' × ' . $panel['pos_y']; ?></td>
-                            <td><?php echo $panel['width'] . ' × ' . $panel['height']; ?></td>
+                            <td><?php echo htmlspecialchars($panel['floor_name'] ?? '-'); ?></td>
+                            <td><?php echo $panel['pos_x'] . ' x ' . $panel['pos_y']; ?></td>
+                            <td><?php echo $panel['width'] . ' x ' . $panel['height']; ?></td>
                            <td><?php echo $panel['port_count']; ?></td>
                            <td class="actions">
                                <a href="?module=floor_infrastructure&action=edit&type=patchpanel&id=<?php echo $panel['id']; ?>" class="button button-small">Bearbeiten</a>
@@ -121,9 +177,9 @@ $networkOutlets = $sql->get(
                    <?php foreach ($networkOutlets as $outlet): ?>
                        <tr>
                            <td><?php echo htmlspecialchars($outlet['name']); ?></td>
-                            <td><?php echo htmlspecialchars($outlet['floor_name'] ?? '—'); ?></td>
-                            <td><?php echo htmlspecialchars($outlet['room_name'] ?? '—'); ?></td>
-                            <td><?php echo $outlet['x'] . ' × ' . $outlet['y']; ?></td>
+                            <td><?php echo htmlspecialchars($outlet['floor_name'] ?? '-'); ?></td>
+                            <td><?php echo htmlspecialchars($outlet['room_name'] ?? '-'); ?></td>
+                            <td><?php echo $outlet['x'] . ' x ' . $outlet['y']; ?></td>
                            <td><?php echo htmlspecialchars($outlet['comment']); ?></td>
                            <td class="actions">
                                <a href="?module=floor_infrastructure&action=edit&type=outlet&id=<?php echo $outlet['id']; ?>" class="button button-small">Bearbeiten</a>
@@ -139,8 +195,20 @@ $networkOutlets = $sql->get(

    <section class="infra-plan">
        <h2>Stockwerksplan-Verortung</h2>
-        <p>Die eingetragenen Patchpanels und Wandbuchsen erscheinen später als feste Objekte auf dem Stockwerks-SVG. Die Polygon-Positionen werden momentan noch durch numerische X/Y-Werte gesteuert.</p>
-        <p><small>TODO: SVG-Editor mit Drag & Drop für diese Objekte erweitern (siehe Stockwerke-Modul).</small></p>
+        <?php if (!$editorFloor): ?>
+            <p class="empty-state">Kein Stockwerk fuer die Planansicht verfuegbar.</p>
+        <?php elseif (($editorFloor['svg_url'] ?? '') === ''): ?>
+            <p class="empty-state">Das gewaehlte Stockwerk hat noch keinen SVG-Plan hinterlegt.</p>
+        <?php else: ?>
+            <p>Drag & Drop ist aktiv fuer <strong><?php echo htmlspecialchars($editorFloor['name']); ?></strong>. Aenderungen werden direkt gespeichert.</p>
+            <div id="infra-floor-canvas"
+                 class="infra-floor-canvas"
+                 data-save-url="?module=floor_infrastructure&action=save"
+                 data-floor-id="<?php echo (int)$editorFloor['id']; ?>">
+                <img src="<?php echo htmlspecialchars($editorFloor['svg_url']); ?>" class="infra-floor-svg" alt="Stockwerksplan">
+            </div>
+            <p class="floor-plan-hint">Patchpanels: blau, Wandbuchsen: gruen. Ziehen und loslassen zum Speichern.</p>
+        <?php endif; ?>
    </section>
 </div>

@@ -184,6 +252,54 @@ $networkOutlets = $sql->get(
    border: 1px dashed #ccc;
    border-radius: 6px;
 }
+.infra-floor-canvas {
+    position: relative;
+    margin-top: 12px;
+    width: 100%;
+    min-height: 420px;
+    border: 1px solid #d4d4d4;
+    border-radius: 8px;
+    background: #fff;
+    overflow: hidden;
+}
+.infra-floor-svg {
+    position: absolute;
+    inset: 0;
+    width: 100%;
+    height: 100%;
+    object-fit: contain;
+    pointer-events: none;
+    opacity: 0.85;
+}
+.infra-marker {
+    position: absolute;
+    top: 0;
+    left: 0;
+    user-select: none;
+    touch-action: none;
+    cursor: move;
+    z-index: 2;
+}
+.infra-marker.patchpanel {
+    background: rgba(13, 110, 253, 0.25);
+    border: 2px solid #0d6efd;
+    border-radius: 6px;
+}
+.infra-marker.outlet {
+    width: 32px;
+    height: 32px;
+    background: rgba(25, 135, 84, 0.25);
+    border: 2px solid #198754;
+    border-radius: 4px;
+}
+.infra-marker.is-saving {
+    opacity: 0.65;
+}
+.floor-plan-hint {
+    margin: 8px 0 0;
+    font-size: 0.85em;
+    color: #444;
+}
 .empty-state {
    padding: 20px;
    background: #fafafa;
@@ -194,3 +310,125 @@ $networkOutlets = $sql->get(
    margin-right: 6px;
 }
 </style>
+
+<?php if ($editorFloor && ($editorFloor['svg_url'] ?? '') !== ''): ?>
+<script>
+document.addEventListener('DOMContentLoaded', () => {
+    const canvas = document.getElementById('infra-floor-canvas');
+    if (!canvas) {
+        return;
+    }
+
+    const saveUrl = canvas.dataset.saveUrl;
+    const floorId = Number(canvas.dataset.floorId || 0);
+    const outletSize = 32;
+    const patchPanels = <?php echo json_encode($editorPatchPanels, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); ?>;
+    const outlets = <?php echo json_encode($editorOutlets, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); ?>;
+
+    const clamp = (value, min, max) => Math.min(max, Math.max(min, value));
+
+    const savePosition = async (entry, type, marker) => {
+        const form = new FormData();
+
+        if (type === 'patchpanel') {
+            form.append('type', 'patchpanel');
+            form.append('id', String(entry.id));
+            form.append('name', entry.name || '');
+            form.append('floor_id', String(floorId));
+            form.append('pos_x', String(entry.x));
+            form.append('pos_y', String(entry.y));
+            form.append('width', String(entry.width));
+            form.append('height', String(entry.height));
+            form.append('port_count', String(entry.port_count || 0));
+            form.append('comment', entry.comment || '');
+        } else {
+            form.append('type', 'outlet');
+            form.append('id', String(entry.id));
+            form.append('name', entry.name || '');
+            form.append('room_id', String(entry.room_id || 0));
+            form.append('x', String(entry.x));
+            form.append('y', String(entry.y));
+            form.append('comment', entry.comment || '');
+        }
+
+        marker.classList.add('is-saving');
+        try {
+            await fetch(saveUrl, {
+                method: 'POST',
+                body: form,
+                credentials: 'same-origin'
+            });
+        } finally {
+            marker.classList.remove('is-saving');
+        }
+    };
+
+    const bindDrag = (marker, entry, type) => {
+        let dragging = false;
+        let offsetX = 0;
+        let offsetY = 0;
+
+        marker.addEventListener('pointerdown', (event) => {
+            dragging = true;
+            const rect = marker.getBoundingClientRect();
+            offsetX = event.clientX - rect.left;
+            offsetY = event.clientY - rect.top;
+            marker.setPointerCapture(event.pointerId);
+        });
+
+        marker.addEventListener('pointermove', (event) => {
+            if (!dragging) {
+                return;
+            }
+
+            const rect = canvas.getBoundingClientRect();
+            const width = type === 'patchpanel' ? entry.width : outletSize;
+            const height = type === 'patchpanel' ? entry.height : outletSize;
+            const maxX = Math.max(0, rect.width - width);
+            const maxY = Math.max(0, rect.height - height);
+
+            entry.x = Math.round(clamp(event.clientX - rect.left - offsetX, 0, maxX));
+            entry.y = Math.round(clamp(event.clientY - rect.top - offsetY, 0, maxY));
+            marker.style.left = `${entry.x}px`;
+            marker.style.top = `${entry.y}px`;
+        });
+
+        const stopDrag = (event) => {
+            if (!dragging) {
+                return;
+            }
+            dragging = false;
+            if (marker.hasPointerCapture(event.pointerId)) {
+                marker.releasePointerCapture(event.pointerId);
+            }
+            savePosition(entry, type, marker);
+        };
+
+        marker.addEventListener('pointerup', stopDrag);
+        marker.addEventListener('pointercancel', stopDrag);
+    };
+
+    const createMarker = (entry, type) => {
+        const marker = document.createElement('div');
+        marker.className = `infra-marker ${type}`;
+        marker.dataset.id = String(entry.id);
+        marker.dataset.type = type;
+        marker.title = entry.name || '';
+
+        if (type === 'patchpanel') {
+            marker.style.width = `${entry.width}px`;
+            marker.style.height = `${entry.height}px`;
+        }
+
+        marker.style.left = `${entry.x}px`;
+        marker.style.top = `${entry.y}px`;
+        canvas.appendChild(marker);
+
+        bindDrag(marker, entry, type);
+    };
+
+    patchPanels.forEach((entry) => createMarker(entry, 'patchpanel'));
+    outlets.forEach((entry) => createMarker(entry, 'outlet'));
+});
+</script>
+<?php endif; ?>
--- a/app/modules/floor_infrastructure/save.php
+++ b/app/modules/floor_infrastructure/save.php
@@ -18,6 +18,13 @@ if ($type === 'patchpanel') {
    $portCount = (int)($_POST['port_count'] ?? 0);
    $comment = trim($_POST['comment'] ?? '');

+    if ($width <= 0) {
+        $width = 140;
+    }
+    if ($height <= 0) {
+        $height = 40;
+    }
+
    if ($id > 0) {
        $sql->set(
            "UPDATE floor_patchpanels SET name = ?, floor_id = ?, pos_x = ?, pos_y = ?, width = ?, height = ?, port_count = ?, comment = ? WHERE id = ?",
--- a/app/modules/locations/delete.php
+++ b/app/modules/locations/delete.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * app/modules/locations/delete.php
+ *
+ * Loescht einen Standort.
+ */
+
+header('Content-Type: application/json; charset=utf-8');
+
+$locationId = (int)($_POST['id'] ?? $_GET['id'] ?? 0);
+
+if ($locationId <= 0) {
+    http_response_code(400);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Ungueltige Standort-ID'
+    ]);
+    exit;
+}
+
+$location = $sql->single(
+    "SELECT id, name FROM locations WHERE id = ?",
+    "i",
+    [$locationId]
+);
+
+if (!$location) {
+    http_response_code(404);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Standort nicht gefunden'
+    ]);
+    exit;
+}
+
+$deleted = $sql->set(
+    "DELETE FROM locations WHERE id = ?",
+    "i",
+    [$locationId]
+);
+
+if ($deleted <= 0) {
+    http_response_code(500);
+    echo json_encode([
+        'success' => false,
+        'message' => 'Standort konnte nicht geloescht werden'
+    ]);
+    exit;
+}
+
+echo json_encode([
+    'success' => true,
+    'message' => 'Standort geloescht'
+]);
+exit;
--- a/app/modules/locations/list.php
+++ b/app/modules/locations/list.php
@@ -403,8 +403,23 @@ foreach ($floors as $floor) {
 <script>
 function confirmDelete(id) {
    if (confirm('Diesen Standort wirklich löschen?')) {
-        // TODO: AJAX-Delete implementieren
-        alert('Löschen noch nicht implementiert');
+        fetch('?module=locations&action=delete&id=' + encodeURIComponent(id), {
+            method: 'POST',
+            headers: {
+                'X-Requested-With': 'XMLHttpRequest'
+            }
+        })
+            .then(response => response.json())
+            .then(data => {
+                if (data && data.success) {
+                    window.location.reload();
+                    return;
+                }
+                alert((data && data.message) ? data.message : 'Löschen fehlgeschlagen');
+            })
+            .catch(() => {
+                alert('Löschen fehlgeschlagen');
+            });
    }
 }

@@ -420,3 +435,4 @@ function confirmFloorDelete(id) {
    }
 }
 </script>
+