b61cec71a1
git-svn-id: http://svn.openlayers.org/trunk/openlayers@10967 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
432 lines
12 KiB
JavaScript
432 lines
12 KiB
JavaScript
/* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for
|
|
* full list of contributors). Published under the Clear BSD license.
|
|
* See http://svn.openlayers.org/trunk/openlayers/license.txt for the
|
|
* full text of the license. */
|
|
|
|
|
|
/**
|
|
* @requires OpenLayers/Layer/SphericalMercator.js
|
|
* @requires OpenLayers/Layer/EventPane.js
|
|
* @requires OpenLayers/Layer/FixedZoomLevels.js
|
|
* @requires OpenLayers/Lang.js
|
|
*/
|
|
|
|
/**
|
|
* Class: OpenLayers.Layer.Yahoo
|
|
*
|
|
* Inherits from:
|
|
* - <OpenLayers.Layer.EventPane>
|
|
* - <OpenLayers.Layer.FixedZoomLevels>
|
|
*/
|
|
OpenLayers.Layer.Yahoo = OpenLayers.Class(
|
|
OpenLayers.Layer.EventPane, OpenLayers.Layer.FixedZoomLevels, {
|
|
|
|
/**
|
|
* Constant: MIN_ZOOM_LEVEL
|
|
* {Integer} 0
|
|
*/
|
|
MIN_ZOOM_LEVEL: 0,
|
|
|
|
/**
|
|
* Constant: MAX_ZOOM_LEVEL
|
|
* {Integer} 17
|
|
*/
|
|
MAX_ZOOM_LEVEL: 17,
|
|
|
|
/**
|
|
* Constant: RESOLUTIONS
|
|
* {Array(Float)} Hardcode these resolutions so that they are more closely
|
|
* tied with the standard wms projection
|
|
*/
|
|
RESOLUTIONS: [
|
|
1.40625,
|
|
0.703125,
|
|
0.3515625,
|
|
0.17578125,
|
|
0.087890625,
|
|
0.0439453125,
|
|
0.02197265625,
|
|
0.010986328125,
|
|
0.0054931640625,
|
|
0.00274658203125,
|
|
0.001373291015625,
|
|
0.0006866455078125,
|
|
0.00034332275390625,
|
|
0.000171661376953125,
|
|
0.0000858306884765625,
|
|
0.00004291534423828125,
|
|
0.00002145767211914062,
|
|
0.00001072883605957031
|
|
],
|
|
|
|
/**
|
|
* APIProperty: type
|
|
* {YahooMapType}
|
|
*/
|
|
type: null,
|
|
|
|
/**
|
|
* APIProperty: wrapDateLine
|
|
* {Boolean} Allow user to pan forever east/west. Default is true.
|
|
* Setting this to false only restricts panning if
|
|
* <sphericalMercator> is true.
|
|
*/
|
|
wrapDateLine: true,
|
|
|
|
/**
|
|
* APIProperty: sphericalMercator
|
|
* {Boolean} Should the map act as a mercator-projected map? This will
|
|
* cause all interactions with the map to be in the actual map projection,
|
|
* which allows support for vector drawing, overlaying other maps, etc.
|
|
*/
|
|
sphericalMercator: false,
|
|
|
|
/**
|
|
* Constructor: OpenLayers.Layer.Yahoo
|
|
*
|
|
* Parameters:
|
|
* name - {String}
|
|
* options - {Object}
|
|
*/
|
|
initialize: function(name, options) {
|
|
OpenLayers.Layer.EventPane.prototype.initialize.apply(this, arguments);
|
|
OpenLayers.Layer.FixedZoomLevels.prototype.initialize.apply(this,
|
|
arguments);
|
|
if(this.sphericalMercator) {
|
|
OpenLayers.Util.extend(this, OpenLayers.Layer.SphericalMercator);
|
|
this.initMercatorParameters();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Method: loadMapObject
|
|
*/
|
|
loadMapObject:function() {
|
|
try { //do not crash!
|
|
var size = this.getMapObjectSizeFromOLSize(this.map.getSize());
|
|
this.mapObject = new YMap(this.div, this.type, size);
|
|
this.mapObject.disableKeyControls();
|
|
this.mapObject.disableDragMap();
|
|
|
|
//can we do smooth panning? (moveByXY is not an API function)
|
|
if ( !this.mapObject.moveByXY ||
|
|
(typeof this.mapObject.moveByXY != "function" ) ) {
|
|
|
|
this.dragPanMapObject = null;
|
|
}
|
|
} catch(e) {}
|
|
},
|
|
|
|
/**
|
|
* Method: onMapResize
|
|
*
|
|
*/
|
|
onMapResize: function() {
|
|
try {
|
|
var size = this.getMapObjectSizeFromOLSize(this.map.getSize());
|
|
this.mapObject.resizeTo(size);
|
|
} catch(e) {}
|
|
},
|
|
|
|
|
|
/**
|
|
* APIMethod: setMap
|
|
* Overridden from EventPane because we need to remove this yahoo event
|
|
* pane which prohibits our drag and drop, and we can only do this
|
|
* once the map has been loaded and centered.
|
|
*
|
|
* Parameters:
|
|
* map - {<OpenLayers.Map>}
|
|
*/
|
|
setMap: function(map) {
|
|
OpenLayers.Layer.EventPane.prototype.setMap.apply(this, arguments);
|
|
|
|
this.map.events.register("moveend", this, this.fixYahooEventPane);
|
|
},
|
|
|
|
/**
|
|
* Method: fixYahooEventPane
|
|
* The map has been centered, so the mysterious yahoo eventpane has been
|
|
* added. we remove it so that it doesnt mess with *our* event pane.
|
|
*/
|
|
fixYahooEventPane: function() {
|
|
var yahooEventPane = OpenLayers.Util.getElement("ygddfdiv");
|
|
if (yahooEventPane != null) {
|
|
if (yahooEventPane.parentNode != null) {
|
|
yahooEventPane.parentNode.removeChild(yahooEventPane);
|
|
}
|
|
this.map.events.unregister("moveend", this,
|
|
this.fixYahooEventPane);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getWarningHTML
|
|
*
|
|
* Returns:
|
|
* {String} String with information on why layer is broken, how to get
|
|
* it working.
|
|
*/
|
|
getWarningHTML:function() {
|
|
return OpenLayers.i18n(
|
|
"getLayerWarning", {'layerType':'Yahoo', 'layerLib':'Yahoo'}
|
|
);
|
|
},
|
|
|
|
/********************************************************/
|
|
/* */
|
|
/* Translation Functions */
|
|
/* */
|
|
/* The following functions translate GMaps and OL */
|
|
/* formats for Pixel, LonLat, Bounds, and Zoom */
|
|
/* */
|
|
/********************************************************/
|
|
|
|
|
|
//
|
|
// TRANSLATION: MapObject Zoom <-> OpenLayers Zoom
|
|
//
|
|
|
|
/**
|
|
* APIMethod: getOLZoomFromMapObjectZoom
|
|
*
|
|
* Parameters:
|
|
* gZoom - {Integer}
|
|
*
|
|
* Returns:
|
|
* {Integer} An OpenLayers Zoom level, translated from the passed in gZoom
|
|
* Returns null if null value is passed in.
|
|
*/
|
|
getOLZoomFromMapObjectZoom: function(moZoom) {
|
|
var zoom = null;
|
|
if (moZoom != null) {
|
|
zoom = OpenLayers.Layer.FixedZoomLevels.prototype.getOLZoomFromMapObjectZoom.apply(this, [moZoom]);
|
|
zoom = 18 - zoom;
|
|
}
|
|
return zoom;
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getMapObjectZoomFromOLZoom
|
|
*
|
|
* Parameters:
|
|
* olZoom - {Integer}
|
|
*
|
|
* Returns:
|
|
* {Integer} A MapObject level, translated from the passed in olZoom
|
|
* Returns null if null value is passed in
|
|
*/
|
|
getMapObjectZoomFromOLZoom: function(olZoom) {
|
|
var zoom = null;
|
|
if (olZoom != null) {
|
|
zoom = OpenLayers.Layer.FixedZoomLevels.prototype.getMapObjectZoomFromOLZoom.apply(this, [olZoom]);
|
|
zoom = 18 - zoom;
|
|
}
|
|
return zoom;
|
|
},
|
|
|
|
/************************************
|
|
* *
|
|
* MapObject Interface Controls *
|
|
* *
|
|
************************************/
|
|
|
|
|
|
// Get&Set Center, Zoom
|
|
|
|
/**
|
|
* APIMethod: setMapObjectCenter
|
|
* Set the mapObject to the specified center and zoom
|
|
*
|
|
* Parameters:
|
|
* center - {Object} MapObject LonLat format
|
|
* zoom - {int} MapObject zoom format
|
|
*/
|
|
setMapObjectCenter: function(center, zoom) {
|
|
this.mapObject.drawZoomAndCenter(center, zoom);
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getMapObjectCenter
|
|
*
|
|
* Returns:
|
|
* {Object} The mapObject's current center in Map Object format
|
|
*/
|
|
getMapObjectCenter: function() {
|
|
return this.mapObject.getCenterLatLon();
|
|
},
|
|
|
|
/**
|
|
* APIMethod: dragPanMapObject
|
|
*
|
|
* Parameters:
|
|
* dX - {Integer}
|
|
* dY - {Integer}
|
|
*/
|
|
dragPanMapObject: function(dX, dY) {
|
|
this.mapObject.moveByXY({
|
|
'x': -dX,
|
|
'y': dY
|
|
});
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getMapObjectZoom
|
|
*
|
|
* Returns:
|
|
* {Integer} The mapObject's current zoom, in Map Object format
|
|
*/
|
|
getMapObjectZoom: function() {
|
|
return this.mapObject.getZoomLevel();
|
|
},
|
|
|
|
|
|
// LonLat - Pixel Translation
|
|
|
|
/**
|
|
* APIMethod: getMapObjectLonLatFromMapObjectPixel
|
|
*
|
|
* Parameters:
|
|
* moPixel - {Object} MapObject Pixel format
|
|
*
|
|
* Returns:
|
|
* {Object} MapObject LonLat translated from MapObject Pixel
|
|
*/
|
|
getMapObjectLonLatFromMapObjectPixel: function(moPixel) {
|
|
return this.mapObject.convertXYLatLon(moPixel);
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getMapObjectPixelFromMapObjectLonLat
|
|
*
|
|
* Parameters:
|
|
* moLonLat - {Object} MapObject LonLat format
|
|
*
|
|
* Returns:
|
|
* {Object} MapObject Pixel transtlated from MapObject LonLat
|
|
*/
|
|
getMapObjectPixelFromMapObjectLonLat: function(moLonLat) {
|
|
return this.mapObject.convertLatLonXY(moLonLat);
|
|
},
|
|
|
|
|
|
/************************************
|
|
* *
|
|
* MapObject Primitives *
|
|
* *
|
|
************************************/
|
|
|
|
|
|
// LonLat
|
|
|
|
/**
|
|
* APIMethod: getLongitudeFromMapObjectLonLat
|
|
*
|
|
* Parameters:
|
|
* moLonLat - {Object} MapObject LonLat format
|
|
*
|
|
* Returns:
|
|
* {Float} Longitude of the given MapObject LonLat
|
|
*/
|
|
getLongitudeFromMapObjectLonLat: function(moLonLat) {
|
|
return this.sphericalMercator ?
|
|
this.forwardMercator(moLonLat.Lon, moLonLat.Lat).lon :
|
|
moLonLat.Lon;
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getLatitudeFromMapObjectLonLat
|
|
*
|
|
* Parameters:
|
|
* moLonLat - {Object} MapObject LonLat format
|
|
*
|
|
* Returns:
|
|
* {Float} Latitude of the given MapObject LonLat
|
|
*/
|
|
getLatitudeFromMapObjectLonLat: function(moLonLat) {
|
|
return this.sphericalMercator ?
|
|
this.forwardMercator(moLonLat.Lon, moLonLat.Lat).lat :
|
|
moLonLat.Lat;
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getMapObjectLonLatFromLonLat
|
|
*
|
|
* Parameters:
|
|
* lon - {Float}
|
|
* lat - {Float}
|
|
*
|
|
* Returns:
|
|
* {Object} MapObject LonLat built from lon and lat params
|
|
*/
|
|
getMapObjectLonLatFromLonLat: function(lon, lat) {
|
|
var yLatLong;
|
|
if(this.sphericalMercator) {
|
|
var lonlat = this.inverseMercator(lon, lat);
|
|
yLatLong = new YGeoPoint(lonlat.lat, lonlat.lon);
|
|
} else {
|
|
yLatLong = new YGeoPoint(lat, lon);
|
|
}
|
|
return yLatLong;
|
|
},
|
|
|
|
// Pixel
|
|
|
|
/**
|
|
* APIMethod: getXFromMapObjectPixel
|
|
*
|
|
* Parameters:
|
|
* moPixel - {Object} MapObject Pixel format
|
|
*
|
|
* Returns:
|
|
* {Integer} X value of the MapObject Pixel
|
|
*/
|
|
getXFromMapObjectPixel: function(moPixel) {
|
|
return moPixel.x;
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getYFromMapObjectPixel
|
|
*
|
|
* Parameters:
|
|
* moPixel - {Object} MapObject Pixel format
|
|
*
|
|
* Returns:
|
|
* {Integer} Y value of the MapObject Pixel
|
|
*/
|
|
getYFromMapObjectPixel: function(moPixel) {
|
|
return moPixel.y;
|
|
},
|
|
|
|
/**
|
|
* APIMethod: getMapObjectPixelFromXY
|
|
*
|
|
* Parameters:
|
|
* x - {Integer}
|
|
* y - {Integer}
|
|
*
|
|
* Returns:
|
|
* {Object} MapObject Pixel from x and y parameters
|
|
*/
|
|
getMapObjectPixelFromXY: function(x, y) {
|
|
return new YCoordPoint(x, y);
|
|
},
|
|
|
|
// Size
|
|
|
|
/**
|
|
* APIMethod: getMapObjectSizeFromOLSize
|
|
*
|
|
* Parameters:
|
|
* olSize - {<OpenLayers.Size>}
|
|
*
|
|
* Returns:
|
|
* {Object} MapObject Size from olSize parameter
|
|
*/
|
|
getMapObjectSizeFromOLSize: function(olSize) {
|
|
return new YSize(olSize.w, olSize.h);
|
|
},
|
|
|
|
CLASS_NAME: "OpenLayers.Layer.Yahoo"
|
|
});
|