Add route-maps

static/map.js

@@ -0,0 +1,146 @@
+/* Shared Leaflet helper: a small OSM route preview (origin/destination
+   markers + a straight line between them - we don't have real route
+   geometry, just stop coordinates, so this is a "as the crow flies" hint,
+   not a turn-by-turn path).
+
+   Exposes window.PbtMap.createRouteMap(containerId) and self-wires:
+   - the "Von"/"Nach" live preview on the trip form (#route-map)
+   - the map-pin buttons + dialog on the "Meine Fahrten" list
+
+   No-ops safely wherever these elements/Leaflet aren't present. */
+(function () {
+  "use strict";
+  if (typeof window.L === "undefined") return;
+
+  var ORIGIN_COLOR = "#3fb950";
+  var DEST_COLOR = "#f85149";
+  var AUSTRIA_CENTER = [47.6, 14.0];
+
+  function dot(color) {
+    return L.divIcon({
+      className: "",
+      html: '<span style="display:block;width:14px;height:14px;border-radius:50%;' +
+        "background:" + color + ';border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.5)"></span>',
+      iconSize: [14, 14],
+      iconAnchor: [7, 7],
+    });
+  }
+
+  function createRouteMap(containerId) {
+    var map = L.map(containerId).setView(AUSTRIA_CENTER, 7);
+    L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+      maxZoom: 19,
+      attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>-Mitwirkende',
+    }).addTo(map);
+
+    var layers = [];
+    function clear() {
+      layers.forEach(function (l) { map.removeLayer(l); });
+      layers = [];
+    }
+
+    function render(origin, destination) {
+      clear();
+      var points = [];
+      if (origin) {
+        var o = L.marker([origin.lat, origin.lon], { icon: dot(ORIGIN_COLOR) }).addTo(map);
+        if (origin.label) o.bindTooltip(origin.label);
+        layers.push(o);
+        points.push([origin.lat, origin.lon]);
+      }
+      if (destination) {
+        var d = L.marker([destination.lat, destination.lon], { icon: dot(DEST_COLOR) }).addTo(map);
+        if (destination.label) d.bindTooltip(destination.label);
+        layers.push(d);
+        points.push([destination.lat, destination.lon]);
+      }
+      if (points.length === 2) {
+        layers.push(
+          L.polyline(points, { color: "#4a9eff", weight: 3, dashArray: "6 8", opacity: 0.85 }).addTo(map)
+        );
+        map.fitBounds(L.latLngBounds(points), { padding: [28, 28], maxZoom: 15 });
+      } else if (points.length === 1) {
+        map.setView(points[0], 14);
+      } else {
+        map.setView(AUSTRIA_CENTER, 7);
+      }
+      return points.length > 0;
+    }
+
+    return { map: map, render: render };
+  }
+
+  window.PbtMap = { createRouteMap: createRouteMap };
+
+  // --- live preview on the trip form -------------------------------------
+  function setupFormPreview(form) {
+    var container = form.querySelector("#route-map");
+    var placeholder = form.querySelector("[data-route-map-placeholder]");
+    var originText = form.querySelector("#origin");
+    var destText = form.querySelector("#destination");
+    var originHidden = form.querySelector("#origin_stop_id");
+    var destHidden = form.querySelector("#destination_stop_id");
+    if (!container || !originText || !destText || !originHidden || !destHidden) return;
+
+    var routeMap = null;
+
+    function point(hidden, text) {
+      var lat = hidden.dataset.stopLat, lon = hidden.dataset.stopLon;
+      if (!lat || !lon) return null;
+      return { lat: parseFloat(lat), lon: parseFloat(lon), label: text.value.trim() };
+    }
+
+    function apply() {
+      var origin = point(originHidden, originText);
+      var destination = point(destHidden, destText);
+      if (!origin && !destination) {
+        container.hidden = true;
+        if (placeholder) placeholder.hidden = false;
+        return;
+      }
+      container.hidden = false;
+      if (placeholder) placeholder.hidden = true;
+      if (!routeMap) routeMap = createRouteMap("route-map");
+      routeMap.render(origin, destination);
+      setTimeout(function () { routeMap.map.invalidateSize(); }, 0);
+    }
+
+    form.addEventListener("stopchange", apply);
+    originText.addEventListener("input", apply);
+    destText.addEventListener("input", apply);
+    apply();
+  }
+
+  document.querySelectorAll("form").forEach(setupFormPreview);
+
+  // --- "Meine Fahrten" map-pin buttons + shared dialog --------------------
+  var dialog = document.getElementById("route-map-dialog");
+  if (dialog) {
+    var dialogTitle = document.getElementById("route-map-dialog-title");
+    var closeBtn = dialog.querySelector("[data-close-map-dialog]");
+    var dialogMap = null;
+
+    function coordsOf(btn, prefix) {
+      var lat = btn.dataset[prefix + "Lat"], lon = btn.dataset[prefix + "Lon"];
+      if (!lat || !lon) return null;
+      return { lat: parseFloat(lat), lon: parseFloat(lon), label: btn.dataset[prefix + "Label"] || "" };
+    }
+
+    document.querySelectorAll("[data-show-map]").forEach(function (btn) {
+      btn.addEventListener("click", function () {
+        var origin = coordsOf(btn, "origin");
+        var destination = coordsOf(btn, "destination");
+        dialogTitle.textContent = (btn.dataset.originLabel || "?") + " → " + (btn.dataset.destinationLabel || "?");
+        dialog.showModal();
+        if (!dialogMap) dialogMap = createRouteMap("dialog-route-map");
+        dialogMap.render(origin, destination);
+        setTimeout(function () { dialogMap.map.invalidateSize(); }, 0);
+      });
+    });
+
+    if (closeBtn) closeBtn.addEventListener("click", function () { dialog.close(); });
+    dialog.addEventListener("click", function (e) {
+      if (e.target === dialog) dialog.close(); // click on the backdrop
+    });
+  }
+})();

templates/add_entry.html

@@ -1,5 +1,9 @@
 {% extends "base.html" %}
 {% block title %}{{ "Fahrt bearbeiten" if fahrt else "Neue Fahrt" }} – PBT{% endblock %}
+{% block head %}
+  <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
+        integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="">
+{% endblock %}
 {% block content %}
   <div class="card">
     <h2>{{ "Fahrt bearbeiten" if fahrt else "Neue Fahrt erfassen" }}</h2>
@@ -50,6 +54,13 @@
           if fahrt and fahrt.destination_stop else "" }}</p>
       </div>
 
+      <div class="field">
+        <label>Kartenvorschau</label>
+        <p class="field-hint" data-route-map-placeholder>Wähle bekannte Haltestellen bei Von/Nach für eine Kartenvorschau.</p>
+        <div id="route-map" class="route-map" hidden></div>
+        <p class="field-hint">Luftlinie zwischen den Halten – keine echte Streckenführung.</p>
+      </div>
+
       <div class="field combo">
         <label for="line">Linie</label>
         <input type="text" id="line" name="line" placeholder="z.B. S3, 693"
@@ -104,5 +115,8 @@
   </div>
 {% endblock %}
 {% block scripts %}
+  <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
+          integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin="" defer></script>
+  <script src="{{ url_for('static', filename='map.js') }}" defer></script>
   <script src="{{ url_for('static', filename='stops.js') }}" defer></script>
 {% endblock %}

templates/base.html

@@ -161,9 +161,39 @@
       cursor: pointer;
     }
     .icon-btn svg { width: 16px; height: 16px; }
-    .icon-btn.edit:hover { color: var(--accent); border-color: var(--accent); background: rgba(74, 158, 255, 0.1); }
+    .icon-btn.edit:hover, .icon-btn.map:hover { color: var(--accent); border-color: var(--accent); background: rgba(74, 158, 255, 0.1); }
     .icon-btn.delete { color: var(--danger); }
     .icon-btn.delete:hover { background: rgba(248, 81, 73, 0.12); border-color: var(--danger); }
+    .icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
+    .icon-btn:disabled:hover { color: var(--text-muted); border-color: var(--panel-border); background: transparent; }
+
+    .route-map {
+      height: 220px;
+      border-radius: 8px;
+      border: 1px solid var(--panel-border);
+      background: var(--field-bg);
+    }
+    /* Leaflet's own UI (zoom buttons, attribution) is deliberately left in its
+       standard light styling - it sits on map tiles, not our page background. */
+
+    dialog.map-dialog {
+      border: 1px solid var(--panel-border);
+      border-radius: 10px;
+      background: var(--panel);
+      color: var(--text);
+      padding: 1rem;
+      width: min(560px, 92vw);
+    }
+    dialog.map-dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
+    .map-dialog-header {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      gap: 1rem;
+      margin-bottom: 0.75rem;
+      font-weight: 600;
+      font-size: 0.95rem;
+    }
 
     .combo { position: relative; display: flex; flex-direction: column; }
     .combo-list {
@@ -194,6 +224,7 @@
     .field-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.3rem; min-height: 1em; }
     .field-hint.matched { color: var(--success); }
   </style>
+  {% block head %}{% endblock %}
 </head>
 <body>
   <header>

templates/dashboard.html

@@ -1,5 +1,9 @@
 {% extends "base.html" %}
 {% block title %}Meine Fahrten – PBT{% endblock %}
+{% block head %}
+  <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
+        integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="">
+{% endblock %}
 {% block content %}
   <h2 style="font-size: 1.1rem; font-weight: 600;">Meine Fahrten</h2>
 
@@ -36,6 +40,18 @@
             <td class="stars">{{ "★" * f.rating }}{{ "☆" * (5 - f.rating) }}</td>
             <td>
               <div class="row-actions">
+                <button type="button" class="icon-btn map" title="Route auf Karte anzeigen"
+                        aria-label="Route auf Karte anzeigen" data-show-map
+                        data-origin-label="{{ f.origin }}" data-destination-label="{{ f.destination }}"
+                        {% if f.origin_stop %}data-origin-lat="{{ f.origin_stop.latitude }}" data-origin-lon="{{ f.origin_stop.longitude }}"{% endif %}
+                        {% if f.destination_stop %}data-destination-lat="{{ f.destination_stop.latitude }}" data-destination-lon="{{ f.destination_stop.longitude }}"{% endif %}
+                        {% if not f.origin_stop and not f.destination_stop %}disabled{% endif %}>
+                  <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
+                       stroke-linecap="round" stroke-linejoin="round">
+                    <path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"></path>
+                    <circle cx="12" cy="10" r="3"></circle>
+                  </svg>
+                </button>
                 <a class="icon-btn edit" href="{{ url_for('fahrt_bearbeiten', fahrt_id=f.id) }}"
                    title="Fahrt bearbeiten" aria-label="Fahrt bearbeiten">
                   <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
@@ -66,4 +82,17 @@
       </tbody>
     </table>
   {% endif %}
+
+  <dialog id="route-map-dialog" class="map-dialog">
+    <div class="map-dialog-header">
+      <span id="route-map-dialog-title"></span>
+      <button type="button" class="icon-btn" data-close-map-dialog aria-label="Schließen">✕</button>
+    </div>
+    <div id="dialog-route-map" class="route-map"></div>
+  </dialog>
+{% endblock %}
+{% block scripts %}
+  <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
+          integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin="" defer></script>
+  <script src="{{ url_for('static', filename='map.js') }}" defer></script>
 {% endblock %}