openstreetmap-website/public/lib/OpenLayers/Layer/WFS.js
2006-08-27 00:45:43 +00:00

116 lines
3.3 KiB
JavaScript

/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
* See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
* text of the license. */
// @require: OpenLayers/Layer/Grid.js
// @require: OpenLayers/Layer/Markers.js
/**
* @class
*/
OpenLayers.Layer.WFS = Class.create();
OpenLayers.Layer.WFS.prototype =
Object.extend(new OpenLayers.Layer.Grid(),
Object.extend(new OpenLayers.Layer.Markers(), {
/** @type Object */
featureClass: OpenLayers.Feature.WFS,
/** @final @type hash */
DEFAULT_PARAMS: { service: "WFS",
version: "1.0.0",
request: "GetFeature",
typename: "docpoint"
},
/**
* @constructor
*
* @param {str} name
* @param {str} url
* @param {hash} params
* @param {Object} featureClass
*/
initialize: function(name, url, params, featureClass) {
if (featureClass != null) this.featureClass = featureClass;
var newArguments = new Array();
if (arguments.length > 0) {
//uppercase params
params = OpenLayers.Util.upperCaseObject(params);
newArguments.push(name, url, params);
}
OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
OpenLayers.Layer.Markers.prototype.initialize.apply(this, newArguments);
if (arguments.length > 0) {
OpenLayers.Util.applyDefaults(
this.params,
OpenLayers.Util.upperCaseObject(this.DEFAULT_PARAMS)
);
}
},
/**
*
*/
destroy: function() {
OpenLayers.Layer.Grid.prototype.destroy.apply(this, arguments);
OpenLayers.Layer.Markers.prototype.destroy.apply(this, arguments);
},
/**
* @param {OpenLayers.Bounds} bounds
* @param {Boolean} zoomChanged
*/
moveTo: function(bounds, zoomChanged) {
OpenLayers.Layer.Grid.prototype.moveTo.apply(this, arguments);
OpenLayers.Layer.Markers.prototype.moveTo.apply(this, arguments);
},
/** WFS layer is never a base class.
* @type Boolean
*/
isBaseLayer: function() {
return false;
},
/**
* @param {String} name
* @param {hash} params
*
* @returns A clone of this OpenLayers.Layer.WMS, with the passed-in
* parameters merged in.
* @type OpenLayers.Layer.WMS
*/
clone: function (name, params) {
var mergedParams = {}
Object.extend(mergedParams, this.params);
Object.extend(mergedParams, params);
var obj = new OpenLayers.Layer.WFS(name, this.url, mergedParams);
obj.setTileSize(this.tileSize);
return obj;
},
/**
* addTile creates a tile, initializes it (via 'draw' in this case), and
* adds it to the layer div.
*
* @param {OpenLayers.Bounds} bounds
*
* @returns The added OpenLayers.Tile.WFS
* @type OpenLayers.Tile.WFS
*/
addTile:function(bounds, position) {
url = this.getFullRequestString(
{ BBOX:bounds.toBBOX() });
return new OpenLayers.Tile.WFS(this, position, bounds,
url, this.tileSize);
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Layer.WFS"
}
)
);