ad54169479
git-svn-id: http://svn.openlayers.org/trunk/openlayers@10995 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
104 lines
3.5 KiB
JavaScript
104 lines
3.5 KiB
JavaScript
/* Copyright (c) 2006-2011 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/WMS.js
|
|
* @requires OpenLayers/Tile/Image/IFrame.js
|
|
*/
|
|
|
|
/**
|
|
* Class: OpenLayers.Layer.WMS.Post
|
|
* Instances of OpenLayers.Layer.WMS.Post are used to retrieve data from OGC
|
|
* Web Mapping Services via HTTP-POST (application/x-www-form-urlencoded).
|
|
* Create a new WMS layer with the <OpenLayers.Layer.WMS.Post> constructor.
|
|
*
|
|
* *Deprecated*. Instead of this layer, use <OpenLayers.Layer.WMS> with
|
|
* <OpenLayers.Tile.Image.maxGetUrlLength> configured in the layer's
|
|
* <OpenLayers.Layer.WMS.tileOptions>.
|
|
*
|
|
* Inherits from:
|
|
* - <OpenLayers.Layer.WMS>
|
|
*/
|
|
OpenLayers.Layer.WMS.Post = OpenLayers.Class(OpenLayers.Layer.WMS, {
|
|
|
|
/**
|
|
* APIProperty: unsupportedBrowsers
|
|
* {Array} Array with browsers, which should use the HTTP-GET protocol
|
|
* instead of HTTP-POST for fetching tiles from a WMS .
|
|
* Defaults to ["mozilla", "firefox", "opera"], because Opera is not able
|
|
* to show transparent images in IFrames and Firefox/Mozilla has some ugly
|
|
* effects of viewport-shaking when panning the map. Both browsers, Opera
|
|
* and Firefox/Mozilla, have no problem with long urls, which is the reason
|
|
* for using POST instead of GET. The strings to pass to this array are
|
|
* the ones returned by <OpenLayers.BROWSER_NAME>.
|
|
*/
|
|
unsupportedBrowsers: ["mozilla", "firefox", "opera"],
|
|
|
|
/**
|
|
* Property: SUPPORTED_TRANSITIONS
|
|
* {Array}
|
|
* no supported transitions for this type of layer, because it is not
|
|
* possible to modify the initialized tiles (iframes)
|
|
*/
|
|
SUPPORTED_TRANSITIONS: [],
|
|
|
|
/**
|
|
* Property: usePost
|
|
* {Boolean}
|
|
*/
|
|
usePost: null,
|
|
|
|
/**
|
|
* Constructor: OpenLayers.Layer.WMS.Post
|
|
* Creates a new WMS layer object.
|
|
*
|
|
* Example:
|
|
* (code)
|
|
* var wms = new OpenLayers.Layer.WMS.Post(
|
|
* "NASA Global Mosaic",
|
|
* "http://wms.jpl.nasa.gov/wms.cgi",
|
|
* {layers: "modis, global_mosaic"});
|
|
* (end)
|
|
*
|
|
* Parameters:
|
|
* name - {String} A name for the layer
|
|
* url - {String} Base url for the WMS
|
|
* (e.g. http://wms.jpl.nasa.gov/wms.cgi)
|
|
* params - {Object} An object with key/value pairs representing the
|
|
* GetMap query string parameters and parameter values.
|
|
* options - {Object} Hashtable of extra options to tag onto the layer.
|
|
*/
|
|
initialize: function(name, url, params, options) {
|
|
var newArguments = [];
|
|
newArguments.push(name, url, params, options);
|
|
OpenLayers.Layer.WMS.prototype.initialize.apply(this, newArguments);
|
|
|
|
this.usePost = OpenLayers.Util.indexOf(
|
|
this.unsupportedBrowsers, OpenLayers.BROWSER_NAME) == -1;
|
|
},
|
|
|
|
/**
|
|
* Method: addTile
|
|
* addTile creates a tile, initializes it and adds it as iframe to the
|
|
* layer div.
|
|
*
|
|
* Parameters:
|
|
* bounds - {<OpenLayers.Bounds>}
|
|
* position - {<OpenLayers.Pixel>}
|
|
*
|
|
* Returns:
|
|
* {<OpenLayers.Tile.Image.IFrame>} The added OpenLayers.Tile.Image.IFrame
|
|
*/
|
|
addTile: function(bounds,position) {
|
|
return new OpenLayers.Tile.Image(
|
|
this, position, bounds, null, this.tileSize, {
|
|
maxGetUrlLength: this.usePost ? 0 : null
|
|
});
|
|
},
|
|
|
|
CLASS_NAME: 'OpenLayers.Layer.WMS.Post'
|
|
});
|