c506e039d8
git-svn-id: http://svn.openlayers.org/trunk/openlayers@289 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
111 lines
2.9 KiB
JavaScript
111 lines
2.9 KiB
JavaScript
// @require OpenLayers/Tile.js
|
|
/**
|
|
* @class
|
|
*/
|
|
OpenLayers.Tile.WFS = Class.create();
|
|
OpenLayers.Tile.WFS.prototype =
|
|
Object.extend( new OpenLayers.Tile(), {
|
|
|
|
/** @type Array of Function */
|
|
handlers: null,
|
|
|
|
/** @type Array of */
|
|
features: null,
|
|
|
|
|
|
/**
|
|
* @constructor
|
|
*
|
|
* @param {OpenLayers.Grid} grid
|
|
* @param {OpenLayers.Bounds} bounds
|
|
* @param {String} url
|
|
* @param {OpenLayers.Size} size
|
|
*/
|
|
initialize: function(grid, bounds, url, size) {
|
|
OpenLayers.Tile.prototype.initialize.apply(this, arguments);
|
|
|
|
this.features = new Array();
|
|
|
|
this.handlers = new Array();
|
|
this.handlers["requestSuccess"] = this.requestSuccess;
|
|
},
|
|
|
|
/**
|
|
*/
|
|
draw:function() {
|
|
OpenLayers.Tile.prototype.draw.apply(this, arguments);
|
|
this.loadFeaturesForRegion("requestSuccess");
|
|
},
|
|
|
|
/**
|
|
* @param OpenLayers.Pixel
|
|
*/
|
|
setPosition:function(pixel) {
|
|
this.position = pixel;
|
|
},
|
|
|
|
/** get the full request string from the ds and the tile params
|
|
* and call the AJAX loadURL().
|
|
*
|
|
* input are function pointers for what to do on success and failure.
|
|
*
|
|
* @param {function} success
|
|
* @param {function} failure
|
|
*/
|
|
loadFeaturesForRegion:function(success, failure) {
|
|
|
|
if (!this.loaded) {
|
|
|
|
if (this.url != "") {
|
|
|
|
// TODO: Hmmm, this stops multiple loads of the data when a
|
|
// result isn't immediately retrieved, but it's hacky.
|
|
// Do it better.
|
|
this.loaded = true;
|
|
// ol.Log.info("request string: " + this.url);
|
|
OpenLayers.loadURL(this.url, null, this, success, failure);
|
|
}
|
|
}
|
|
},
|
|
|
|
/** Return from AJAX request
|
|
*
|
|
* @param {} request
|
|
*/
|
|
requestSuccess:function(request) {
|
|
var doc = request.responseXML;
|
|
|
|
if (!doc || request.fileType!="XML") {
|
|
doc = OpenLayers.parseXMLString(request.responseText);
|
|
}
|
|
|
|
var resultFeatures = OpenLayers.getNodes(doc, "gml:featureMember");
|
|
// ol.Log.info(this.grid.name + " found " +
|
|
// resultFeatures.length + " features");
|
|
|
|
//clear old featureList
|
|
this.features = new Array();
|
|
|
|
for (var i=0; i < resultFeatures.length; i++) {
|
|
|
|
//make new Feature
|
|
var feature = new OpenLayers.Feature(resultFeatures[i]);
|
|
this.features.append(feature);
|
|
|
|
//make new Icon
|
|
var icon = new OpenLayers.Icon(feature.markerImage, feature.size);
|
|
|
|
//make new marker
|
|
var marker = new OpenLayers.Marker(feature.lonlat, icon);
|
|
this.addMarker(marker);
|
|
}
|
|
|
|
},
|
|
|
|
|
|
/** @final @type String */
|
|
CLASS_NAME: "OpenLayers.Tile.WFS"
|
|
}
|
|
);
|
|
|