added map functionality

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

de.srsoftware.cal.app/build.gradle.kts

@@ -7,7 +7,7 @@ dependencies {
 
     implementation("de.srsoftware:configuration.api:1.0.0")
     implementation("de.srsoftware:configuration.json:1.0.0")
-    implementation("de.srsoftware:tools.http:1.0.3")
+    implementation("de.srsoftware:tools.http:1.0.4")
     implementation("de.srsoftware:tools.logging:1.0.1")
     implementation("de.srsoftware:tools.web:1.3.8")
     implementation("com.mysql:mysql-connector-j:9.1.0")

de.srsoftware.cal.db/src/main/java/de/srsoftware/cal/db/Database.java

@@ -47,4 +47,6 @@ public interface Database {
 	public List<Appointment> listByTags(Set<String> tags, Integer count, Integer offset);
 
 	Result<Appointment> loadEvent(long id);
+
+	Result<List<String>> findTags(String infix);
 }

de.srsoftware.cal.db/src/main/java/de/srsoftware/cal/db/MariaDB.java

@@ -39,6 +39,7 @@ public class MariaDB implements Database {
 	private static final String	   TID	           = "tid";
 	private static final String	   MIME	           = "mime";
 	private static final String	   APPOINTMENT_ATTACHMENTS = "appointment_attachments";
+	private static final String	   TAGS	           = "tags";
 	private static Connection	   connection;
 
 	private MariaDB(Connection conn) throws SQLException {
@@ -113,6 +114,19 @@ public class MariaDB implements Database {
 		return new MariaDB(DriverManager.getConnection(jdbc, user, pass));
 	}
 
+	@Override
+	public Result<List<String>> findTags(String infix) {
+		try {
+			List<String> results = new ArrayList<>();
+			var          rs	     = Query.select(KEYWORD).from(TAGS).where(KEYWORD, like("%%%s%%".formatted(infix))).sort(KEYWORD).exec(connection);
+			while (rs.next()) results.add(rs.getString(KEYWORD));
+			rs.close();
+			return Payload.of(results);
+		} catch (SQLException e) {
+			return Error.format("failed to gather tags from DB.", e);
+		}
+	}
+
 	@Override
 	public List<Appointment> list(Integer count, Integer offset) throws SQLException {
 		var list    = new ArrayList<Appointment>();
@@ -219,16 +233,16 @@ public class MariaDB implements Database {
 
 	@Override
 	public List<Appointment> list(LocalDateTime from, LocalDateTime till) throws SQLException {
-		var list    = new ArrayList<Appointment>();
+		var list  = new ArrayList<Appointment>();
 		var query = Query  //
-				.select("appointments.*", "GROUP_CONCAT(keyword) AS tags")
+			.select("appointments.*", "GROUP_CONCAT(keyword) AS tags")
-				.from(APPOINTMENTS)
+			.from(APPOINTMENTS)
-				.leftJoin(AID, "appointment_tags", AID)
+			.leftJoin(AID, "appointment_tags", AID)
-				.leftJoin("tid", "tags", "tid")
+			.leftJoin("tid", "tags", "tid")
-				.groupBy(AID)
+			.groupBy(AID)
-				.sort("start DESC");
+			.sort("start DESC");
 		nullable(from).ifPresent(start -> query.where("start", moreThan(start)));
-		nullable(till).ifPresent(end -> query.where("end",lessThan(end)));
+		nullable(till).ifPresent(end -> query.where("end", lessThan(end)));
 
 		var results = query.exec(connection);
 		while (results.next()) createAppointmentOf(results).optional().ifPresent(list::add);

de.srsoftware.cal.web/build.gradle.kts

@@ -4,7 +4,7 @@ dependencies {
     implementation(project(":de.srsoftware.cal.api"))
     implementation(project(":de.srsoftware.cal.db"))
 
-    implementation("de.srsoftware:tools.http:1.0.3")
+    implementation("de.srsoftware:tools.http:1.0.4")
     implementation("de.srsoftware:tools.optionals:1.0.0")
     implementation("de.srsoftware:tools.util:1.2.2")
     implementation("org.json:json:20240303")

de.srsoftware.cal.web/src/main/java/de/srsoftware/cal/ApiHandler.java

@@ -2,9 +2,8 @@
 package de.srsoftware.cal;
 
 import static de.srsoftware.tools.Optionals.nullable;
-import static java.lang.System.Logger;
+import static java.lang.System.*;
 import static java.lang.System.Logger.Level.WARNING;
-import static java.lang.System.getLogger;
 
 import com.sun.net.httpserver.HttpExchange;
 import de.srsoftware.cal.api.Appointment;
@@ -18,6 +17,7 @@ import java.sql.SQLException;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.List;
 import java.util.Map;
 import org.json.JSONObject;
 
@@ -35,11 +35,31 @@ public class ApiHandler extends PathHandler {
 		return switch (path) {
 			case "/event" -> loadEvent(ex,params);
 			case "/events/list" -> listEvents(ex,params);
+			case "/tags" -> listTags(ex,params);
 			default -> PathHandler.notFound(ex);
 		};
 
 	}
 
+	private boolean listTags(HttpExchange ex, Map<String, String> params) throws IOException {
+		var infix = params.get("infix");
+		if (infix == null)return sendContent(ex,Error.of("No infix set in method call parameters"));
+		var res = db.findTags(infix).map(ApiHandler::sortTags);
+		return sendContent(ex,res);
+	}
+
+	private static Result<List<String>> sortTags(Result<List<String>> listResult) {
+		if (listResult.optional().isEmpty()) return listResult;
+		List<String> list = listResult.optional().get();
+		while (list.size() > 15) {
+			int longest = list.stream().map(String::length).reduce(0, Integer::max);
+			var subset = list.stream().filter(s -> s.length() < longest).toList();
+			if (subset.size()<3) return Payload.of(list);
+			list = subset;
+		}
+		return Payload.of(list);
+	}
+
 	private boolean listEvents(HttpExchange ex, Map<String, String> params) throws IOException {
 		var start = nullable(params.get("start")).map(ApiHandler::toLocalDateTime).orElse(null);
 		var end = nullable(params.get("end")).map(ApiHandler::toLocalDateTime).orElse(null);

de.srsoftware.cal.web/src/main/resources/edit.html

@@ -5,6 +5,8 @@
         <link rel="stylesheet" href="occ.css" />
         <script src="/static/script/common.js"></script>
         <script src="/static/script/edit.js"></script>
+        <link rel="stylesheet" href="/static/leaflet.css" />
+        <script src="/static/script/leaflet.js"></script>
     </head>
     <body>
         <h1>Create new event</h1>
@@ -44,6 +46,9 @@
                         <th>Keywords</th>
                         <td>
                             <input type="text" name="tags-input" id="tags-input" placeholder="Press Enter to add" onkeyup="tagKeyPress(event)" />
+                            <select id="proposals" multiple="multiple">
+
+                            </select>
                         </td>
                     </tr>
                     <tr>
@@ -57,10 +62,12 @@
                     <tr>
                         <th>Coordinates</th>
                         <td>
-                            <input type="text" name="coords" placeholder="latitude, longitude">
+                            <input type="text" name="coords" placeholder="latitude, longitude" id="coords">
                         </td>
                         <td></td>
-                        <th>Map</th>
+                        <th>
+                         Map
+                        </th>
                     </tr>
                     <tr>
                         <th>Links</th>
@@ -70,8 +77,17 @@
                         <td>
                             <button>add</button>
                         </td>
-                        <td rowspan="4">
+                        <td rowspan="4" style="width: 100%">
-                            Map goes here
+                            <div id="map" style="width: 100%; height: 500px;"></div>
+                            <script>
+                                var map = L.map('map').setView([51.160556, 10.4425], 9);
+                                L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
+                                    maxZoom: 19,
+                                    attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
+                                }).addTo(map);
+                                marker = L.marker([51.160556, 10.4425]).addTo(map);
+                                map.on('click', onMapClick);
+                            </script>
                         </td>
                     </tr>
                     <tr>
@@ -93,6 +109,8 @@
                     </tr>
                 </table>
             </fieldset>
+
+
         </div>
     </body>
 </html>

de.srsoftware.cal.web/src/main/resources/leaflet.css

@@ -0,0 +1,661 @@
+/* required styles */
+
+.leaflet-pane,
+.leaflet-tile,
+.leaflet-marker-icon,
+.leaflet-marker-shadow,
+.leaflet-tile-container,
+.leaflet-pane > svg,
+.leaflet-pane > canvas,
+.leaflet-zoom-box,
+.leaflet-image-layer,
+.leaflet-layer {
+	position: absolute;
+	left: 0;
+	top: 0;
+	}
+.leaflet-container {
+	overflow: hidden;
+	}
+.leaflet-tile,
+.leaflet-marker-icon,
+.leaflet-marker-shadow {
+	-webkit-user-select: none;
+	   -moz-user-select: none;
+	        user-select: none;
+	  -webkit-user-drag: none;
+	}
+/* Prevents IE11 from highlighting tiles in blue */
+.leaflet-tile::selection {
+	background: transparent;
+}
+/* Safari renders non-retina tile on retina better with this, but Chrome is worse */
+.leaflet-safari .leaflet-tile {
+	image-rendering: -webkit-optimize-contrast;
+	}
+/* hack that prevents hw layers "stretching" when loading new tiles */
+.leaflet-safari .leaflet-tile-container {
+	width: 1600px;
+	height: 1600px;
+	-webkit-transform-origin: 0 0;
+	}
+.leaflet-marker-icon,
+.leaflet-marker-shadow {
+	display: block;
+	}
+/* .leaflet-container svg: reset svg max-width decleration shipped in Joomla! (joomla.org) 3.x */
+/* .leaflet-container img: map is broken in FF if you have max-width: 100% on tiles */
+.leaflet-container .leaflet-overlay-pane svg {
+	max-width: none !important;
+	max-height: none !important;
+	}
+.leaflet-container .leaflet-marker-pane img,
+.leaflet-container .leaflet-shadow-pane img,
+.leaflet-container .leaflet-tile-pane img,
+.leaflet-container img.leaflet-image-layer,
+.leaflet-container .leaflet-tile {
+	max-width: none !important;
+	max-height: none !important;
+	width: auto;
+	padding: 0;
+	}
+
+.leaflet-container img.leaflet-tile {
+	/* See: https://bugs.chromium.org/p/chromium/issues/detail?id=600120 */
+	mix-blend-mode: plus-lighter;
+}
+
+.leaflet-container.leaflet-touch-zoom {
+	-ms-touch-action: pan-x pan-y;
+	touch-action: pan-x pan-y;
+	}
+.leaflet-container.leaflet-touch-drag {
+	-ms-touch-action: pinch-zoom;
+	/* Fallback for FF which doesn't support pinch-zoom */
+	touch-action: none;
+	touch-action: pinch-zoom;
+}
+.leaflet-container.leaflet-touch-drag.leaflet-touch-zoom {
+	-ms-touch-action: none;
+	touch-action: none;
+}
+.leaflet-container {
+	-webkit-tap-highlight-color: transparent;
+}
+.leaflet-container a {
+	-webkit-tap-highlight-color: rgba(51, 181, 229, 0.4);
+}
+.leaflet-tile {
+	filter: inherit;
+	visibility: hidden;
+	}
+.leaflet-tile-loaded {
+	visibility: inherit;
+	}
+.leaflet-zoom-box {
+	width: 0;
+	height: 0;
+	-moz-box-sizing: border-box;
+	     box-sizing: border-box;
+	z-index: 800;
+	}
+/* workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=888319 */
+.leaflet-overlay-pane svg {
+	-moz-user-select: none;
+	}
+
+.leaflet-pane         { z-index: 400; }
+
+.leaflet-tile-pane    { z-index: 200; }
+.leaflet-overlay-pane { z-index: 400; }
+.leaflet-shadow-pane  { z-index: 500; }
+.leaflet-marker-pane  { z-index: 600; }
+.leaflet-tooltip-pane   { z-index: 650; }
+.leaflet-popup-pane   { z-index: 700; }
+
+.leaflet-map-pane canvas { z-index: 100; }
+.leaflet-map-pane svg    { z-index: 200; }
+
+.leaflet-vml-shape {
+	width: 1px;
+	height: 1px;
+	}
+.lvml {
+	behavior: url(#default#VML);
+	display: inline-block;
+	position: absolute;
+	}
+
+
+/* control positioning */
+
+.leaflet-control {
+	position: relative;
+	z-index: 800;
+	pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
+	pointer-events: auto;
+	}
+.leaflet-top,
+.leaflet-bottom {
+	position: absolute;
+	z-index: 1000;
+	pointer-events: none;
+	}
+.leaflet-top {
+	top: 0;
+	}
+.leaflet-right {
+	right: 0;
+	}
+.leaflet-bottom {
+	bottom: 0;
+	}
+.leaflet-left {
+	left: 0;
+	}
+.leaflet-control {
+	float: left;
+	clear: both;
+	}
+.leaflet-right .leaflet-control {
+	float: right;
+	}
+.leaflet-top .leaflet-control {
+	margin-top: 10px;
+	}
+.leaflet-bottom .leaflet-control {
+	margin-bottom: 10px;
+	}
+.leaflet-left .leaflet-control {
+	margin-left: 10px;
+	}
+.leaflet-right .leaflet-control {
+	margin-right: 10px;
+	}
+
+
+/* zoom and fade animations */
+
+.leaflet-fade-anim .leaflet-popup {
+	opacity: 0;
+	-webkit-transition: opacity 0.2s linear;
+	   -moz-transition: opacity 0.2s linear;
+	        transition: opacity 0.2s linear;
+	}
+.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {
+	opacity: 1;
+	}
+.leaflet-zoom-animated {
+	-webkit-transform-origin: 0 0;
+	    -ms-transform-origin: 0 0;
+	        transform-origin: 0 0;
+	}
+svg.leaflet-zoom-animated {
+	will-change: transform;
+}
+
+.leaflet-zoom-anim .leaflet-zoom-animated {
+	-webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1);
+	   -moz-transition:    -moz-transform 0.25s cubic-bezier(0,0,0.25,1);
+	        transition:         transform 0.25s cubic-bezier(0,0,0.25,1);
+	}
+.leaflet-zoom-anim .leaflet-tile,
+.leaflet-pan-anim .leaflet-tile {
+	-webkit-transition: none;
+	   -moz-transition: none;
+	        transition: none;
+	}
+
+.leaflet-zoom-anim .leaflet-zoom-hide {
+	visibility: hidden;
+	}
+
+
+/* cursors */
+
+.leaflet-interactive {
+	cursor: pointer;
+	}
+.leaflet-grab {
+	cursor: -webkit-grab;
+	cursor:    -moz-grab;
+	cursor:         grab;
+	}
+.leaflet-crosshair,
+.leaflet-crosshair .leaflet-interactive {
+	cursor: crosshair;
+	}
+.leaflet-popup-pane,
+.leaflet-control {
+	cursor: auto;
+	}
+.leaflet-dragging .leaflet-grab,
+.leaflet-dragging .leaflet-grab .leaflet-interactive,
+.leaflet-dragging .leaflet-marker-draggable {
+	cursor: move;
+	cursor: -webkit-grabbing;
+	cursor:    -moz-grabbing;
+	cursor:         grabbing;
+	}
+
+/* marker & overlays interactivity */
+.leaflet-marker-icon,
+.leaflet-marker-shadow,
+.leaflet-image-layer,
+.leaflet-pane > svg path,
+.leaflet-tile-container {
+	pointer-events: none;
+	}
+
+.leaflet-marker-icon.leaflet-interactive,
+.leaflet-image-layer.leaflet-interactive,
+.leaflet-pane > svg path.leaflet-interactive,
+svg.leaflet-image-layer.leaflet-interactive path {
+	pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
+	pointer-events: auto;
+	}
+
+/* visual tweaks */
+
+.leaflet-container {
+	background: #ddd;
+	outline-offset: 1px;
+	}
+.leaflet-container a {
+	color: #0078A8;
+	}
+.leaflet-zoom-box {
+	border: 2px dotted #38f;
+	background: rgba(255,255,255,0.5);
+	}
+
+
+/* general typography */
+.leaflet-container {
+	font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
+	font-size: 12px;
+	font-size: 0.75rem;
+	line-height: 1.5;
+	}
+
+
+/* general toolbar styles */
+
+.leaflet-bar {
+	box-shadow: 0 1px 5px rgba(0,0,0,0.65);
+	border-radius: 4px;
+	}
+.leaflet-bar a {
+	background-color: #fff;
+	border-bottom: 1px solid #ccc;
+	width: 26px;
+	height: 26px;
+	line-height: 26px;
+	display: block;
+	text-align: center;
+	text-decoration: none;
+	color: black;
+	}
+.leaflet-bar a,
+.leaflet-control-layers-toggle {
+	background-position: 50% 50%;
+	background-repeat: no-repeat;
+	display: block;
+	}
+.leaflet-bar a:hover,
+.leaflet-bar a:focus {
+	background-color: #f4f4f4;
+	}
+.leaflet-bar a:first-child {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	}
+.leaflet-bar a:last-child {
+	border-bottom-left-radius: 4px;
+	border-bottom-right-radius: 4px;
+	border-bottom: none;
+	}
+.leaflet-bar a.leaflet-disabled {
+	cursor: default;
+	background-color: #f4f4f4;
+	color: #bbb;
+	}
+
+.leaflet-touch .leaflet-bar a {
+	width: 30px;
+	height: 30px;
+	line-height: 30px;
+	}
+.leaflet-touch .leaflet-bar a:first-child {
+	border-top-left-radius: 2px;
+	border-top-right-radius: 2px;
+	}
+.leaflet-touch .leaflet-bar a:last-child {
+	border-bottom-left-radius: 2px;
+	border-bottom-right-radius: 2px;
+	}
+
+/* zoom control */
+
+.leaflet-control-zoom-in,
+.leaflet-control-zoom-out {
+	font: bold 18px 'Lucida Console', Monaco, monospace;
+	text-indent: 1px;
+	}
+
+.leaflet-touch .leaflet-control-zoom-in, .leaflet-touch .leaflet-control-zoom-out  {
+	font-size: 22px;
+	}
+
+
+/* layers control */
+
+.leaflet-control-layers {
+	box-shadow: 0 1px 5px rgba(0,0,0,0.4);
+	background: #fff;
+	border-radius: 5px;
+	}
+.leaflet-control-layers-toggle {
+	background-image: url(images/layers.png);
+	width: 36px;
+	height: 36px;
+	}
+.leaflet-retina .leaflet-control-layers-toggle {
+	background-image: url(images/layers-2x.png);
+	background-size: 26px 26px;
+	}
+.leaflet-touch .leaflet-control-layers-toggle {
+	width: 44px;
+	height: 44px;
+	}
+.leaflet-control-layers .leaflet-control-layers-list,
+.leaflet-control-layers-expanded .leaflet-control-layers-toggle {
+	display: none;
+	}
+.leaflet-control-layers-expanded .leaflet-control-layers-list {
+	display: block;
+	position: relative;
+	}
+.leaflet-control-layers-expanded {
+	padding: 6px 10px 6px 6px;
+	color: #333;
+	background: #fff;
+	}
+.leaflet-control-layers-scrollbar {
+	overflow-y: scroll;
+	overflow-x: hidden;
+	padding-right: 5px;
+	}
+.leaflet-control-layers-selector {
+	margin-top: 2px;
+	position: relative;
+	top: 1px;
+	}
+.leaflet-control-layers label {
+	display: block;
+	font-size: 13px;
+	font-size: 1.08333em;
+	}
+.leaflet-control-layers-separator {
+	height: 0;
+	border-top: 1px solid #ddd;
+	margin: 5px -10px 5px -6px;
+	}
+
+/* Default icon URLs */
+.leaflet-default-icon-path { /* used only in path-guessing heuristic, see L.Icon.Default */
+	background-image: url(images/marker-icon.png);
+	}
+
+
+/* attribution and scale controls */
+
+.leaflet-container .leaflet-control-attribution {
+	background: #fff;
+	background: rgba(255, 255, 255, 0.8);
+	margin: 0;
+	}
+.leaflet-control-attribution,
+.leaflet-control-scale-line {
+	padding: 0 5px;
+	color: #333;
+	line-height: 1.4;
+	}
+.leaflet-control-attribution a {
+	text-decoration: none;
+	}
+.leaflet-control-attribution a:hover,
+.leaflet-control-attribution a:focus {
+	text-decoration: underline;
+	}
+.leaflet-attribution-flag {
+	display: inline !important;
+	vertical-align: baseline !important;
+	width: 1em;
+	height: 0.6669em;
+	}
+.leaflet-left .leaflet-control-scale {
+	margin-left: 5px;
+	}
+.leaflet-bottom .leaflet-control-scale {
+	margin-bottom: 5px;
+	}
+.leaflet-control-scale-line {
+	border: 2px solid #777;
+	border-top: none;
+	line-height: 1.1;
+	padding: 2px 5px 1px;
+	white-space: nowrap;
+	-moz-box-sizing: border-box;
+	     box-sizing: border-box;
+	background: rgba(255, 255, 255, 0.8);
+	text-shadow: 1px 1px #fff;
+	}
+.leaflet-control-scale-line:not(:first-child) {
+	border-top: 2px solid #777;
+	border-bottom: none;
+	margin-top: -2px;
+	}
+.leaflet-control-scale-line:not(:first-child):not(:last-child) {
+	border-bottom: 2px solid #777;
+	}
+
+.leaflet-touch .leaflet-control-attribution,
+.leaflet-touch .leaflet-control-layers,
+.leaflet-touch .leaflet-bar {
+	box-shadow: none;
+	}
+.leaflet-touch .leaflet-control-layers,
+.leaflet-touch .leaflet-bar {
+	border: 2px solid rgba(0,0,0,0.2);
+	background-clip: padding-box;
+	}
+
+
+/* popup */
+
+.leaflet-popup {
+	position: absolute;
+	text-align: center;
+	margin-bottom: 20px;
+	}
+.leaflet-popup-content-wrapper {
+	padding: 1px;
+	text-align: left;
+	border-radius: 12px;
+	}
+.leaflet-popup-content {
+	margin: 13px 24px 13px 20px;
+	line-height: 1.3;
+	font-size: 13px;
+	font-size: 1.08333em;
+	min-height: 1px;
+	}
+.leaflet-popup-content p {
+	margin: 17px 0;
+	margin: 1.3em 0;
+	}
+.leaflet-popup-tip-container {
+	width: 40px;
+	height: 20px;
+	position: absolute;
+	left: 50%;
+	margin-top: -1px;
+	margin-left: -20px;
+	overflow: hidden;
+	pointer-events: none;
+	}
+.leaflet-popup-tip {
+	width: 17px;
+	height: 17px;
+	padding: 1px;
+
+	margin: -10px auto 0;
+	pointer-events: auto;
+
+	-webkit-transform: rotate(45deg);
+	   -moz-transform: rotate(45deg);
+	    -ms-transform: rotate(45deg);
+	        transform: rotate(45deg);
+	}
+.leaflet-popup-content-wrapper,
+.leaflet-popup-tip {
+	background: white;
+	color: #333;
+	box-shadow: 0 3px 14px rgba(0,0,0,0.4);
+	}
+.leaflet-container a.leaflet-popup-close-button {
+	position: absolute;
+	top: 0;
+	right: 0;
+	border: none;
+	text-align: center;
+	width: 24px;
+	height: 24px;
+	font: 16px/24px Tahoma, Verdana, sans-serif;
+	color: #757575;
+	text-decoration: none;
+	background: transparent;
+	}
+.leaflet-container a.leaflet-popup-close-button:hover,
+.leaflet-container a.leaflet-popup-close-button:focus {
+	color: #585858;
+	}
+.leaflet-popup-scrolled {
+	overflow: auto;
+	}
+
+.leaflet-oldie .leaflet-popup-content-wrapper {
+	-ms-zoom: 1;
+	}
+.leaflet-oldie .leaflet-popup-tip {
+	width: 24px;
+	margin: 0 auto;
+
+	-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)";
+	filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678);
+	}
+
+.leaflet-oldie .leaflet-control-zoom,
+.leaflet-oldie .leaflet-control-layers,
+.leaflet-oldie .leaflet-popup-content-wrapper,
+.leaflet-oldie .leaflet-popup-tip {
+	border: 1px solid #999;
+	}
+
+
+/* div icon */
+
+.leaflet-div-icon {
+	background: #fff;
+	border: 1px solid #666;
+	}
+
+
+/* Tooltip */
+/* Base styles for the element that has a tooltip */
+.leaflet-tooltip {
+	position: absolute;
+	padding: 6px;
+	background-color: #fff;
+	border: 1px solid #fff;
+	border-radius: 3px;
+	color: #222;
+	white-space: nowrap;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+	pointer-events: none;
+	box-shadow: 0 1px 3px rgba(0,0,0,0.4);
+	}
+.leaflet-tooltip.leaflet-interactive {
+	cursor: pointer;
+	pointer-events: auto;
+	}
+.leaflet-tooltip-top:before,
+.leaflet-tooltip-bottom:before,
+.leaflet-tooltip-left:before,
+.leaflet-tooltip-right:before {
+	position: absolute;
+	pointer-events: none;
+	border: 6px solid transparent;
+	background: transparent;
+	content: "";
+	}
+
+/* Directions */
+
+.leaflet-tooltip-bottom {
+	margin-top: 6px;
+}
+.leaflet-tooltip-top {
+	margin-top: -6px;
+}
+.leaflet-tooltip-bottom:before,
+.leaflet-tooltip-top:before {
+	left: 50%;
+	margin-left: -6px;
+	}
+.leaflet-tooltip-top:before {
+	bottom: 0;
+	margin-bottom: -12px;
+	border-top-color: #fff;
+	}
+.leaflet-tooltip-bottom:before {
+	top: 0;
+	margin-top: -12px;
+	margin-left: -6px;
+	border-bottom-color: #fff;
+	}
+.leaflet-tooltip-left {
+	margin-left: -6px;
+}
+.leaflet-tooltip-right {
+	margin-left: 6px;
+}
+.leaflet-tooltip-left:before,
+.leaflet-tooltip-right:before {
+	top: 50%;
+	margin-top: -6px;
+	}
+.leaflet-tooltip-left:before {
+	right: 0;
+	margin-right: -12px;
+	border-left-color: #fff;
+	}
+.leaflet-tooltip-right:before {
+	left: 0;
+	margin-left: -12px;
+	border-right-color: #fff;
+	}
+
+/* Printing */
+
+@media print {
+	/* Prevent printers from removing background-images of controls. */
+	.leaflet-control {
+		-webkit-print-color-adjust: exact;
+		print-color-adjust: exact;
+		}
+	}

de.srsoftware.cal.web/src/main/resources/occ.css

@@ -23,6 +23,7 @@ img {
     height: 100%;
     top: 0;
     left: 0;
+    z-index: 100;
 }
 
 iframe {
@@ -95,4 +96,5 @@ table#eventlist{
 .required{
     border: 1px solid brown;
     border-radius: 2px;
-}
+}
+

de.srsoftware.cal.web/src/main/resources/script/edit.js

@@ -1,11 +1,57 @@
+var keyTimer = null;
+var selectedTags = new Set();
+var marker = NULL;
+
+function fetchTags(text){
+    if (text) fetch('/api/tags?infix='+text).then(handleTags);
+}
+
+async function handleTags(response){
+    if (response.ok){
+        var tags = await response.json();
+        if (tags.length == 0){
+            console.log("no proposals!");
+            return;
+        }
+        var select = document.getElementById('proposals');
+        var input = document.getElementById('tags-input');
+        if (!select) return;
+        select.innerHTML = '';
+        tags.forEach(tag => {
+            var option = document.createElement('option');
+            option.value = tag;
+            option.innerHTML = tag;
+            option.onclick = e => {
+                select.innerHTML = '';
+                select.style.display = 'none';
+                input.value = tag;
+                input.focus();
+            };
+            select.appendChild(option);
+        });
+        select.style.display = 'block';
+        select.style.height = (22*tags.length)+'px';
+    }
+}
+
+function onMapClick(e) {
+    document.getElementById('coords').value = `${e.latlng.lat}, ${e.latlng.lng}`;
+    if (marker) marker.setLatLng(e.latlng);
+}
+
+
 function tagKeyPress(e){
     var input = e.target;
     if (e.keyCode == 13){
+        selectedTags.add(input.value);
         var list = document.getElementById('taglist');
         var btn = document.createElement('button');
         btn.innerHTML = input.value;
         list.appendChild(btn);
         list.appendChild(document.createTextNode(' '));
         input.value = '';
+    } else {
+        if (keyTimer != null) clearTimeout(keyTimer);
+        setTimeout(() => fetchTags(input.value),500);
     }
 }