gnu-social/plugins/Mapstraction/js/mxn.openlayers.core.js

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mxn.register('openlayers', {
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Mapstraction: {
init: function(element, api){
var me = this;
this.maps[api] = new OpenLayers.Map(
element.id,
{
maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
maxResolution:156543,
numZoomLevels:18,
units:'meters',
projection: "EPSG:41001"
}
);
this.layers['osmmapnik'] = new OpenLayers.Layer.TMS(
'OSM Mapnik',
[
"http://a.tile.openstreetmap.org/",
"http://b.tile.openstreetmap.org/",
"http://c.tile.openstreetmap.org/"
],
{
type:'png',
getURL: function (bounds) {
var res = this.map.getResolution();
var x = Math.round ((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
var y = Math.round ((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
var z = this.map.getZoom();
var limit = Math.pow(2, z);
if (y < 0 || y >= limit) {
return null;
} else {
x = ((x % limit) + limit) % limit;
var path = z + "/" + x + "/" + y + "." + this.type;
var url = this.url;
if (url instanceof Array) {
url = this.selectUrl(path, url);
}
return url + path;
}
},
displayOutsideMaxExtent: true
}
);
this.layers['osm'] = new OpenLayers.Layer.TMS(
'OSM',
[
"http://a.tah.openstreetmap.org/Tiles/tile.php/",
"http://b.tah.openstreetmap.org/Tiles/tile.php/",
"http://c.tah.openstreetmap.org/Tiles/tile.php/"
],
{
type:'png',
getURL: function (bounds) {
var res = this.map.getResolution();
var x = Math.round ((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
var y = Math.round ((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
var z = this.map.getZoom();
var limit = Math.pow(2, z);
if (y < 0 || y >= limit) {
return null;
} else {
x = ((x % limit) + limit) % limit;
var path = z + "/" + x + "/" + y + "." + this.type;
var url = this.url;
if (url instanceof Array) {
url = this.selectUrl(path, url);
}
return url + path;
}
},
displayOutsideMaxExtent: true
}
);
this.maps[api].addLayer(this.layers['osmmapnik']);
this.maps[api].addLayer(this.layers['osm']);
},
applyOptions: function(){
// var map = this.maps[this.api];
// var myOptions = [];
// if (this.options.enableDragging) {
// myOptions.draggable = true;
// }
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// if (this.options.enableScrollWheelZoom){
// myOptions.scrollwheel = true;
// }
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// map.setOptions(myOptions);
},
resizeTo: function(width, height){
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this.currentElement.style.width = width;
this.currentElement.style.height = height;
this.maps[this.api].updateSize();
},
addControls: function( args ) {
var map = this.maps[this.api];
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// FIXME: OpenLayers has a bug removing all the controls says crschmidt
for (var i = map.controls.length; i>1; i--) {
map.controls[i-1].deactivate();
map.removeControl(map.controls[i-1]);
}
if ( args.zoom == 'large' ) {
map.addControl(new OpenLayers.Control.PanZoomBar());
}
else if ( args.zoom == 'small' ) {
map.addControl(new OpenLayers.Control.ZoomPanel());
if ( args.pan) {
map.addControl(new OpenLayers.Control.PanPanel());
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}
}
else {
if ( args.pan){
map.addControl(new OpenLayers.Control.PanPanel());
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}
}
if ( args.overview ) {
map.addControl(new OpenLayers.Control.OverviewMap());
}
if ( args.map_type ) {
map.addControl(new OpenLayers.Control.LayerSwitcher());
}
},
addSmallControls: function() {
var map = this.maps[this.api];
this.addControlsArgs.pan = false;
this.addControlsArgs.scale = false;
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this.addControlsArgs.zoom = 'small';
map.addControl(new OpenLayers.Control.ZoomBox());
map.addControl(new OpenLayers.Control.LayerSwitcher({
'ascending':false
}));
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},
addLargeControls: function() {
var map = this.maps[this.api];
map.addControl(new OpenLayers.Control.PanZoomBar());
this.addControlsArgs.pan = true;
this.addControlsArgs.zoom = 'large';
},
addMapTypeControls: function() {
var map = this.maps[this.api];
map.addControl( new OpenLayers.Control.LayerSwitcher({
'ascending':false
}) );
this.addControlsArgs.map_type = true;
},
setCenterAndZoom: function(point, zoom) {
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var map = this.maps[this.api];
var pt = point.toProprietary(this.api);
map.setCenter(point.toProprietary(this.api), zoom);
},
addMarker: function(marker, old) {
var map = this.maps[this.api];
var pin = marker.toProprietary(this.api);
if (!this.layers['markers']) {
this.layers['markers'] = new OpenLayers.Layer.Markers('markers');
map.addLayer(this.layers['markers']);
}
this.layers['markers'].addMarker(pin);
return pin;
},
removeMarker: function(marker) {
var map = this.maps[this.api];
var pin = marker.toProprietary(this.api);
this.layers['markers'].removeMarker(pin);
pin.destroy();
},
removeAllMarkers: function() {
var map = this.maps[this.api];
// TODO: Add provider code
},
declutterMarkers: function(opts) {
var map = this.maps[this.api];
// TODO: Add provider code
},
addPolyline: function(polyline, old) {
var map = this.maps[this.api];
var pl = polyline.toProprietary(this.api);
if (!this.layers['polylines']) {
this.layers['polylines'] = new OpenLayers.Layer.Vector('polylines');
map.addLayer(this.layers['polylines']);
}
polyline.setChild(pl);
this.layers['polylines'].addFeatures([pl]);
return pl;
},
removePolyline: function(polyline) {
var map = this.maps[this.api];
var pl = polyline.toProprietary(this.api);
this.layers['polylines'].removeFeatures([pl]);
},
removeAllPolylines: function() {
var olpolylines = [];
for(var i = 0, length = this.polylines.length; i < length; i++){
olpolylines.push(this.polylines[i].toProprietary(this.api));
}
if (this.layers['polylines']) this.layers['polylines'].removeFeatures(olpolylines);
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},
getCenter: function() {
var map = this.maps[this.api];
pt = map.getCenter();
return new mxn.LatLonPoint(pt.lat, pt.lon);
},
setCenter: function(point, options) {
var map = this.maps[this.api];
var pt = point.toProprietary(this.api);
map.setCenter(pt);
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},
setZoom: function(zoom) {
var map = this.maps[this.api];
map.zoomTo(zoom);
},
getZoom: function() {
var map = this.maps[this.api];
return map.zoom;
},
getZoomLevelForBoundingBox: function( bbox ) {
var map = this.maps[this.api];
// throw 'Not implemented';
return zoom;
},
setMapType: function(type) {
var map = this.maps[this.api];
throw 'Not implemented (setMapType)';
},
getMapType: function() {
var map = this.maps[this.api];
// TODO: implement actual layer support
return mxn.Mapstraction.ROAD;
},
getBounds: function () {
var map = this.maps[this.api];
var olbox = map.calculateBounds();
return new mxn.BoundingBox(olbox.bottom, olbox.left, olbox.top, olbox.right);
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},
setBounds: function(bounds){
var map = this.maps[this.api];
var sw = bounds.getSouthWest();
var ne = bounds.getNorthEast();
if(sw.lon > ne.lon) {
sw.lon -= 360;
}
var obounds = new OpenLayers.Bounds();
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obounds.extend(new mxn.LatLonPoint(sw.lat,sw.lon).toProprietary(this.api));
obounds.extend(new mxn.LatLonPoint(ne.lat,ne.lon).toProprietary(this.api));
map.zoomToExtent(obounds);
},
addImageOverlay: function(id, src, opacity, west, south, east, north, oContext) {
var map = this.maps[this.api];
// TODO: Add provider code
},
setImagePosition: function(id, oContext) {
var map = this.maps[this.api];
var topLeftPoint; var bottomRightPoint;
// TODO: Add provider code
//oContext.pixels.top = ...;
//oContext.pixels.left = ...;
//oContext.pixels.bottom = ...;
//oContext.pixels.right = ...;
},
addOverlay: function(url, autoCenterAndZoom) {
var map = this.maps[this.api];
// TODO: Add provider code
},
addTileLayer: function(tile_url, opacity, copyright_text, min_zoom, max_zoom) {
var map = this.maps[this.api];
// TODO: Add provider code
},
toggleTileLayer: function(tile_url) {
var map = this.maps[this.api];
// TODO: Add provider code
},
getPixelRatio: function() {
var map = this.maps[this.api];
// TODO: Add provider code
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},
mousePosition: function(element) {
var map = this.maps[this.api];
// TODO: Add provider code
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}
},
LatLonPoint: {
toProprietary: function() {
var ollon = this.lon * 20037508.34 / 180;
var ollat = Math.log(Math.tan((90 + this.lat) * Math.PI / 360)) / (Math.PI / 180);
ollat = ollat * 20037508.34 / 180;
return new OpenLayers.LonLat(ollon, ollat);
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},
fromProprietary: function(olPoint) {
var lon = (olPoint.lon / 20037508.34) * 180;
var lat = (olPoint.lat / 20037508.34) * 180;
lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
this.lon = lon;
this.lat = lat;
}
},
Marker: {
toProprietary: function() {
var size, anchor, icon;
if(this.iconSize) {
size = new OpenLayers.Size(this.iconSize[0], this.iconSize[1]);
}
else {
size = new OpenLayers.Size(21,25);
}
if(this.iconAnchor) {
anchor = new OpenLayers.Pixel(this.iconAnchor[0], this.iconAnchor[1]);
}
else {
// FIXME: hard-coding the anchor point
anchor = new OpenLayers.Pixel(-(size.w/2), -size.h);
}
if(this.iconUrl) {
icon = new OpenLayers.Icon(this.iconUrl, size, anchor);
}
else {
icon = new OpenLayers.Icon('http://openlayers.org/dev/img/marker-gold.png', size, anchor);
}
var marker = new OpenLayers.Marker(this.location.toProprietary("openlayers"), icon);
if(this.infoBubble) {
var popup = new OpenLayers.Popup(null,
this.location.toProprietary("openlayers"),
new OpenLayers.Size(100,100),
this.infoBubble,
true);
popup.autoSize = true;
var theMap = this.map;
if(this.hover) {
marker.events.register("mouseover", marker, function(event) {
theMap.addPopup(popup);
popup.show();
});
marker.events.register("mouseout", marker, function(event) {
popup.hide();
theMap.removePopup(popup);
});
}
else {
var shown = false;
marker.events.register("mousedown", marker, function(event) {
if (shown) {
popup.hide();
theMap.removePopup(popup);
shown = false;
} else {
theMap.addPopup(popup);
popup.show();
shown = true;
}
});
}
}
if(this.hoverIconUrl) {
// TODO
}
if(this.infoDiv){
// TODO
}
return marker;
},
openBubble: function() {
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// TODO: Add provider code
},
hide: function() {
this.proprietary_marker.setOptions({visible:false});
},
show: function() {
this.proprietary_marker.setOptions({visible:true});
},
update: function() {
// TODO: Add provider code
}
},
Polyline: {
toProprietary: function() {
var olpolyline;
var olpoints = [];
var ring;
var style = {
strokeColor: this.color || "#000000",
strokeOpacity: this.opacity || 1,
strokeWidth: this.width || 1,
fillColor: this.fillColor || "#000000",
fillOpacity: this.getAttribute('fillOpacity') || 0.2
};
//TODO Handle closed attribute
for (var i = 0, length = this.points.length ; i< length; i++){
olpoint = this.points[i].toProprietary("openlayers");
olpoints.push(new OpenLayers.Geometry.Point(olpoint.lon, olpoint.lat));
}
if (this.closed) {
// a closed polygon
ring = new OpenLayers.Geometry.LinearRing(olpoints);
} else {
// a line
ring = new OpenLayers.Geometry.LineString(olpoints);
}
olpolyline = new OpenLayers.Feature.Vector(ring, null, style);
return olpolyline;
},
show: function() {
throw 'Not implemented';
},
hide: function() {
throw 'Not implemented';
}
}
});