https://www.voimmobilien.de/wp-content/plugins/onoffice-for-wp-web…/leaflet/leaflet-a11y.js?ver=7.1.3

1/* Built: 2025-06-17T07:52:07.373Z */
2
3(function (factory, window) {
4	// define an AMD module that relies on 'leaflet'
5	if (typeof define === 'function' && define.amd) { // eslint-disable-line no-undef
6	  define(['leaflet'], factory); // eslint-disable-line no-undef
7  
8	  // define a Common JS module that relies on 'leaflet'
9	} else if (typeof exports === 'object') {
10	  module.exports = factory(require('leaflet'));
11	}
12  
13	// attach your plugin to the global 'L' variable
14	if (typeof window !== 'undefined' && window.L) {
15	  // Was: window.L.a11y = factory(L); // eslint-disable-line no-undef
16	  factory(L);
17	}
18  }(function (L) {
19  
20	const externalData = {};
21  
22	(function createPlugin(L) {
23	  console.assert(L && L.Class && L.Map && L.LatLng && L.Util, 'Leaflet');
24  
25	  /**
26	   * L._: Translation function, or a dummy/placeholder.
27	   * @see GH Issue: Leaflet/Leaflet/issues/9092
28	   */
29	  L._ = L._ || function (stringKey, placeholders) {
30		let translatedString = stringKey; // Fallback to the original string
31  
32		// Use WordPress translations if available
33		if (typeof window.wpLeafletTranslations !== 'undefined' && window.wpLeafletTranslations.hasOwnProperty(stringKey)) {
34		  translatedString = window.wpLeafletTranslations[stringKey];
35		}
36  
37		// Replace placeholders in the translated string
38		if (placeholders && typeof translatedString === 'string') {
39		  for (const key in placeholders) {
40			if (placeholders.hasOwnProperty(key)) {
41			  const regex = new RegExp('{' + key + '}', 'g');
42			  translatedString = translatedString.replace(regex, placeholders[key]);
43			}
44		  }
45		}
46  
47		return translatedString;
48	  };
49  
50	  class AccessibilityPlugin {
51		constructor(MAP) {
52		  console.assert(MAP && MAP._leaflet_id && MAP.getContainer && MAP.on, 'map');
53		  this._map = MAP;
54		  this._initialized = false;
55		}
56  
57		get locale() { return L.locale || ''; }
58		get map() { return this._map; }
59		get mapElem() { return this._map.getContainer(); }
60  
61		/** Load: was "onLoad(event)"
62		 */
63		load() {
64		  let layer = 0;
65		  this.map.on('layeradd', (ev) => {
66			// Initialize after the tile layer is added.
67			if (layer === 1) {
68			  this.initialize();
69			}
70			layer++;
71		  });
72  
73		  this._fixMarkers();
74		}
75  
76		initialize() {
77		  if (this._initialized) return;
78		  this._initialized = true;
79  
80		  this.mapElem.lang = document.documentElement.lang || 'de';
81  
82		  this._localizeControls();
83		  this._localizePopups();
84  
85		  this._fixMapContainer();
86		  this._managePopupFocus();
87		}
88  
89		/** Translate default controls - Zoom in/out, Attribution.
90		 */
91		_localizeControls() {
92		  this._qt('.leaflet-control-zoom-in', 'aria-label', L._('Zoom in')); // src/control/Control.Zoom.js#L30
93		  this._qt('.leaflet-control-zoom-in', 'title', L._('Zoom in'));
94  
95		  this._qt('.leaflet-control-zoom-out', 'aria-label', L._('Zoom out'));
96		  this._qt('.leaflet-control-zoom-out', 'title', L._('Zoom out'));
97  
98		  this._qt('.leaflet-control-attribution a[href $= "leafletjs.com"]', 'aria-label', L._('Leaflet ist eine JavaScript-Bibliothek für interaktive Karten'));
99		  this._qt('.leaflet-control-attribution a[href $= "leafletjs.com"]', 'title', L._('Eine JavaScript-Bibliothek für interaktive Karten'));
100		}
101  
102		/** Only translate the default marker ALT text, for now.
103		 * @see https://github.com/Leaflet/Leaflet/blob/main/src/layer/marker/Marker.js#L49
104		 */
105		_localizeMarker(PIN_EL) {
106		  // const MARKER_PANE = MAP.getPane('markerPane'); // Was: MAP_EL.querySelector('.leaflet-marker-pane');
107  
108		  // [...MARKER_PANE.children].forEach(PIN_EL => {
109		  if (PIN_EL.alt === 'Marker') {
110			PIN_EL.alt = L._('Marker');
111			PIN_EL.title = L._('Marker');
112		  }
113		  // });
114		}
115  
116		_localizePopups() {
117		  this.map.on('popupopen', (ev) => {
118			ev.popup._closeButton.title = L._('Popup schließen'); // src/layer/Popup.js#L102
119			ev.popup._closeButton.setAttribute('aria-label', L._('Popup schließen'));
120  		  });
121		}
122  
123		/**
124		 * Set a role and role on the map container.
125		 * @see GH Issue: Leaflet/Leaflet/issues/7193.
126		 * @see SC 4.1.2: https://w3.org/TR/WCAG21/#name-role-value
127		 */
128		_fixMapContainer() {
129		  if (!this.mapElem.hasAttribute('role')) this.mapElem.setAttribute('role', 'region');
130		  if (!this.mapElem.hasAttribute('aria-label')) this.mapElem.setAttribute('aria-label', L._('Karte'));
131		  this.mapElem.setAttribute('aria-roledescription', L._('Karte'));
132		}
133  
134		/**
135		 * Fix for non-interactive markers.
136		 * @see GH Issue: Leaflet/Leaflet/issues/8116
137		 */
138		_fixMarkers(MAP) {
139		  let layerIdx = 0;
140		  this.map.on('layeradd', (ev) => {
141			const markerEl = ev.layer._icon || null;
142			const isInteractive = (markerEl && markerEl.classList.contains('leaflet-interactive')) || false;
143  
144			if (markerEl && !isInteractive) {
145			  markerEl.tabIndex = -1;
146			  markerEl.setAttribute('role', undefined);
147			  markerEl.classList.add('x-static-marker');
148			}
149			if (markerEl) {
150			  this._localizeMarker(markerEl);
151			}
152			layerIdx++;
153		  });

154		}
155  
156		/**
157		 * Move keyboard focus when a popup is opened and closed.
158		 * @see GH Issue: Leaflet/Leaflet/issues/8115 (also: #8113, #8114)
159		 * @see SC 2.4.3: https://w3.org/TR/WCAG21/#focus-order
160		 */
161		_managePopupFocus(MAP) {
162		  this.map.on('popupopen', (ev) => {
163			ev.popup._container.setAttribute('role', 'dialog'); // Not modal!
164			ev.popup._container.tabIndex = -1;
165  
166			const SOURCE = ev.popup._source;
167			if (SOURCE) {
168			  SOURCE._icon.ariaExpanded = true;
169			  // Only set focus when opened by a trigger element.
170			  ev.popup._container.focus(); // Was: ev.popup._closeButton.focus();
171			}
172		  });
173  
174		  this.map.on('popupclose', (ev) => {
175			// Find the marker or element that triggered the popup.
176			const SOURCE = ev.popup._source;
177			if (SOURCE) {
178			  SOURCE._icon.focus();
179			  SOURCE._icon.ariaExpanded = 'false';
180			}
181		  });
182		}
183  
184		/** _qt: Find element within map container, and set a property on it, translated with '_()' (i18n plugin).
185		*/
186		_qt(selector, attribute, value) {
187		  const ELEM = this.mapElem.querySelector(selector);
188		  console.assert(ELEM, `ELEM.querySelector(${selector})`);
189  
190		  if (ELEM) {
191			ELEM.setAttribute(attribute, value); // Was: ELEM[property] = str;
192		  }
193		}
194	  } // End: class.
195  
196	  /**
197	   * L.Map.addInitHook
198	   * Param needs to be a "function" (not an arrow function), so that "this" is correct!
199	   */
200	  L.Map.addInitHook(function () {
201		const MAP = this;
202		if (MAP.options.accessibilityPlugin || MAP.options.a11yPlugin) {
203		  MAP.a11y = new AccessibilityPlugin(MAP);
204  
205		  MAP.a11y.load();
206		}
207	  });
208  
209	  L.A11yPlugin = AccessibilityPlugin;
210  
211	  return AccessibilityPlugin;
212	})(L, externalData);
213  
214  }, window));