diff options
Diffstat (limited to 'web/maps.js')
| -rw-r--r-- | web/maps.js | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/web/maps.js b/web/maps.js new file mode 100644 index 00000000..39ac3d6f --- /dev/null +++ b/web/maps.js @@ -0,0 +1,228 @@ +var map; +var mc; +var mapParams; +var mapBounds=null; +var cross=null; +var jcontrol=null; +var crossOnMap=false; + +function mapInitAny() { + map=new GMap2(document.getElementById("geomap")); + map.setMapType(G_HYBRID_MAP); + map.addControl(new GMapTypeControl()); + map.enableScrollWheelZoom(); +} + +function mapInitSimple(lat,lng,iconcolor) { + mapInitAny(); + map.addControl(new GSmallZoomControl()); + map.setCenter(new GLatLng(lat,lng),15); + + var icon=new GIcon(G_DEFAULT_ICON); + if(iconcolor && iconcolor!='red') icon.image="http://maps.google.com/mapfiles/marker_"+iconcolor+".png"; + + map.addOverlay(new GMarker(new GLatLng(lat,lng),{ + 'icon':icon, + 'clickable':false + })); +} + +function mapInit(params,autozoom,place) { + mapParams=params; + + mapInitAny(); + map.addControl(new GLargeMapControl(),new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(-10,-60))); + if(place) { + jcontrol=new JuickControl(); + cross=new GScreenOverlay('http://static.juick.com/cross.png', + new GScreenPoint(0.5, .5, 'fraction', 'fraction'), + new GScreenPoint(9, 9), + new GScreenSize(19, 19) + ); + } + map.setCenter(new GLatLng(30,0),2); + + mc=new MarkerClusterer(map,null,{ + gridSize:40, + maxZoom:15 + }); + + GEvent.addListener(map,"moveend",mapLoadMarkers); + GEvent.addListener(map,"zoomend",mapLoadMarkers); + + if(autozoom==1 && navigator.geolocation) navigator.geolocation.getCurrentPosition(mapSetCenter,null,{ + timeout:5 + }); + else mapLoadMarkers(autozoom); +} + +// call loadMarkers even if getCurrentPosition failed + +function mapSetCenter(pos) { + map.setCenter(new GLatLng(pos.coords.latitude,pos.coords.longitude),11); + mapLoadMarkers(); +} + +function mapLoadMarkers(zoomOld) { + var zoom=map.getZoom(); + if(zoom>14 && cross!=null && !crossOnMap) { + map.addControl(jcontrol); + map.addOverlay(cross); + crossOnMap=true; + } + if(zoom<=14 && cross!=null && crossOnMap) { + map.removeControl(jcontrol); + map.removeOverlay(cross); + crossOnMap=false; + } + + var bounds=map.getBounds(); + if(mapBounds==null || !mapBounds.containsBounds(bounds) || zoomOld>0) { + var span=bounds.toSpan(); + + var swlat=bounds.getSouthWest().lat()-span.lat()/3; + if(swlat<-90) swlat=-90; + var swlng=bounds.getSouthWest().lng()-span.lng()/3; + if(swlng<-180) swlng=-180; + + var nelat=bounds.getNorthEast().lat()+span.lat()/3; + if(nelat>90) nelat=90; + var nelng=bounds.getNorthEast().lng()+span.lng()/3; + if(nelng>180) nelng=180; + + mapBounds=new GLatLngBounds(new GLatLng(swlat,swlng),new GLatLng(nelat,nelng)); + + var q="/_mapxml?"+mapParams+"&south="+swlat+"&west="+swlng+"&north="+nelat+"&east="+nelng; + GDownloadUrl(q,function(data) { + var xmlmarkers=GXml.parse(data).documentElement.getElementsByTagName("marker"); + var markers=[]; + var mbounds=new GLatLngBounds(); + var icon; + var iconcolor="null"; + for(var i=0; i<xmlmarkers.length; i++) { + var latlng=new GLatLng(parseFloat(xmlmarkers[i].getAttribute("lat")),parseFloat(xmlmarkers[i].getAttribute("lon"))); + var iconcolornew=xmlmarkers[i].getAttribute("color"); + if(iconcolor!=iconcolornew) { + iconcolor=iconcolornew; + icon=new GIcon(G_DEFAULT_ICON); + if(iconcolor!="" && iconcolor!='red') icon.image="http://maps.google.com/mapfiles/marker_"+iconcolor+".png"; + } + markers.push( + createMarker( + xmlmarkers[i].getAttribute("param"), + latlng, + xmlmarkers[i].getAttribute("title"), + xmlmarkers[i].getAttribute("href"), + icon + ) + ); + if(zoomOld==-1) mbounds.extend(latlng); + } + mc.clearMarkers(); + mc.addMarkers(markers); + if(zoomOld==-1) { + var zoom=map.getBoundsZoomLevel(mbounds)-1; + if(zoom>14) zoom=14; + else if(zoom<1) zoom=1; + map.setCenter(mbounds.getCenter(),zoom); + } + }); + } +} + +function createMarker(id,latlng,title,href,icon) { + var marker=new GMarker(latlng,{ + 'icon':icon, + 'title':title + }); + marker.param=id; + if(href && href!="") + GEvent.addListener(marker,"click",function(ll) { + var txt='<a href="'+href+'">'+title+'</a>'; + map.openInfoWindowHtml(ll,txt); + }); + return marker; +} + +// + +function JuickControl() {} +JuickControl.prototype = new GControl(); +JuickControl.prototype.initialize = function(map) { + var container = document.createElement("div"); + + var bAddPlace = document.createElement("div"); + this.setButtonStyle_(bAddPlace); + container.appendChild(bAddPlace); + bAddPlace.appendChild(document.createTextNode("Add place")); + GEvent.addDomListener(bAddPlace, "click", this.onAddPlaceClick); + map.getContainer().appendChild(container); + return container; +} + +JuickControl.prototype.getDefaultPosition = function() { + return new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(7, 35)); +} + +JuickControl.prototype.setButtonStyle_ = function(button) { + button.style.color = "#000000"; + button.style.backgroundColor = "white"; + button.style.font = "small Arial"; + button.style.border = "1px solid black"; + button.style.padding = "2px"; + button.style.marginBottom = "5px"; + button.style.textAlign = "center"; + button.style.width = "6em"; + button.style.cursor = "pointer"; +} + +var htmlAddPlace='<form><p style="width: 440px"><b>Name:</b><br/>\ +<input type="text" name="description" maxlength="64" style="width: 400px"/><br/>\ +Impersonal description (max 255 symbols):<br/>\ +<textarea name="text" rows="5" style="width: 400px"></textarea><br/>\ +URL:<br/>\ +<input type="text" name="url" maxlength="128" style="width: 400px"/><br/>\ +Tags (separated by space, 10 max):\ +<input type="text" name="tags" maxlength="255" style="width: 400px"/></p>\ +<p style="width: 400px; text-align: right; margin-bottom: 0"><input type="button" value=" Add " onclick="addPlace(this.form)"/></p>\ +</form>'; + +var placeLatLng; + +JuickControl.prototype.onAddPlaceClick = function() { + placeLatLng=map.getCenter(); + map.removeOverlay(cross); + map.openInfoWindowHtml(placeLatLng,htmlAddPlace,{ + onCloseFn:function() { + map.panTo(placeLatLng); + map.addOverlay(cross); + } + }); +} + +function addPlace(form) { + var description=form.description.value; + if(description=='') { + alert('Enter place name.'); + return; + } + var text=form.text.value; + var url=form.url.value; + var tags=form.tags.value; + map.closeInfoWindow(); + GDownloadUrl("/_mapxml",function(data) { + var xmlmarkers=GXml.parse(data).documentElement.getElementsByTagName("marker"); + + var icon=new GIcon(G_DEFAULT_ICON); + icon.image="http://maps.google.com/mapfiles/marker_orange.png"; + var markers=[]; + markers.push(createMarker( + xmlmarkers[0].getAttribute("param"), + placeLatLng, + description, + xmlmarkers[0].getAttribute("href"), + icon + )); + mc.addMarkers(markers); + },'lat='+placeLatLng.lat()+'&lon='+placeLatLng.lng()+'&description='+escape(description)+'&text='+escape(text)+'&url='+escape(url)+'&tags='+escape(tags)); +} |