6810d70bdd
git-svn-id: http://svn.openlayers.org/trunk/openlayers@2 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
/*
|
|
* OpenLayers.Tile is a class designed to designate a single tile, however
|
|
* it is explicitly designed to do relatively little. Tiles store information
|
|
* about themselves -- such as the URL that they are related to, and their
|
|
* size - but do not add themselves to the layer div automatically, for
|
|
* example.
|
|
*/
|
|
OpenLayers.Tile = Class.create();
|
|
OpenLayers.Tile.prototype = {
|
|
|
|
// str - url of the request
|
|
url:null,
|
|
|
|
// OpenLayers.Bounds
|
|
bounds:null,
|
|
|
|
// OpenLayers.Size
|
|
size:null,
|
|
|
|
// OpenLayers.Point Bottom Left pixel of the tile
|
|
position:null,
|
|
|
|
/**
|
|
* @param {OpenLayers.Layer} layer
|
|
* @param {OpenLayers.LatLon} coord
|
|
*/
|
|
initialize: function(bounds,url,size) {
|
|
if (arguments.length > 0) {
|
|
this.url = url;
|
|
this.bounds = bounds;
|
|
this.size = size;
|
|
}
|
|
},
|
|
|
|
/** 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) {
|
|
|
|
var server = this.ds.serverPath;
|
|
|
|
if (server != "") {
|
|
|
|
var queryString = this.getFullRequestString();
|
|
// 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;
|
|
OpenLayers.Application.loadURL(queryString, null, this,
|
|
success, failure);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
*/
|
|
draw:function() {
|
|
},
|
|
|
|
/** remove this tile from the ds
|
|
*/
|
|
remove:function() {
|
|
},
|
|
|
|
|
|
////////////////////
|
|
who:function(){return "tiled.js";} // last!
|
|
};
|
|
|