Created
December 21, 2012 12:04
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beshkenadze created this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,77 @@ var marker; var circle; var map = new L.Map('leaflet', { dragging: true }); var cloudmadeUrl = 'http://{s}.tile.cloudmade.com/396d41ac26d14f84a7ef6176c59f4720/997/256/{z}/{x}/{y}.png', cloudmadeAttrib = '', cloudmade = new L.TileLayer(cloudmadeUrl, { maxZoom: 18, attribution: cloudmadeAttrib }); map.addLayer(cloudmade); map.locateAndSetView(16); map.touchZoom.disable(); map.shiftDragZoom.disable(); // You have to use 'dragstart' & 'dragend' // movestart fires on initialization... map.on('dragstart', dragstart); map.on('dragend', dragend); map.on('locationfound', onLocationFound); var markerLocation = new L.LatLng(51.962805, 7.625277); marker = new L.Marker(markerLocation, { draggable: true }); marker.on('drag', onDragging) function onLocationFound(e) { var radius = e.accuracy / 2; map.addLayer(marker); marker.setLatLng(e.latlng); circle = new L.Circle(e.latlng, radius); map.addLayer(circle); } /*Updating the Circle position while the marker is *beeing dragged. Works on Firefox 7.0.1 & Chrome *but not Android 2.2.1 & 2.3.2 *the circle is beeing updated but there are artifacts *the map doesn't get refreshed properly. *map.invalidateSize() does help a bit but *drains performance */ function onDragging(e) { //map.invalidateSize() circle.setLatLng(e.target.getLatLng()); } map.on('locationerror', onLocationError); function onLocationError(e) { alert(e.message); } /*disabling/enabling marker draggability when the map *pans since the marker is dragged as well when the map *is "touchdragged" on Android 2.3.2 & 2.2.1 *this is likley to happen because both map & marker react to *"touchdragging" events. *I would propose to disable marker dragability every time the map is dragged * automatically */ function dragstart(e) { marker.dragging.disable(); } function dragend(e) { marker.dragging.enable(); }