70a702a9b0
git-svn-id: http://svn.openlayers.org/trunk/openlayers@173 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
73 lines
1.6 KiB
JavaScript
73 lines
1.6 KiB
JavaScript
/*
|
|
* OpenLayers.Tile
|
|
*
|
|
* @class This 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.Pixel Top Left pixel of the tile
|
|
position:null,
|
|
|
|
/**
|
|
* @param {OpenLayers.Layer} layer
|
|
* @param {OpenLayers.LonLat} coord
|
|
*/
|
|
initialize: function(bounds,url,size) {
|
|
if (arguments.length > 0) {
|
|
this.url = url;
|
|
this.bounds = bounds;
|
|
this.size = size;
|
|
}
|
|
},
|
|
|
|
/**
|
|
*/
|
|
draw:function() {
|
|
|
|
// HACK HACK - should we make it a standard to put this sort of warning
|
|
// message in functions that are supposed to be overridden?
|
|
//
|
|
// ol.Log.warn(this.CLASS_NAME + ": draw() not implemented");
|
|
|
|
},
|
|
|
|
/** remove this tile from the ds
|
|
*/
|
|
remove:function() {
|
|
},
|
|
|
|
/** This should be overridden by subclasses if they have special needs
|
|
*
|
|
* @param OpenLayers.Pixel
|
|
*/
|
|
setPosition:function(pixel) {
|
|
this.position = pixel;
|
|
},
|
|
|
|
|
|
/**
|
|
* @type OpenLayers.Pixel
|
|
*/
|
|
getPosition: function() {
|
|
return this.position;
|
|
},
|
|
|
|
/** @final @type String */
|
|
CLASS_NAME: "OpenLayers.Tile"
|
|
};
|
|
|