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Adding Web Map Context document parsing for versions 1.0.0 and 1.1.0. This also adds a cross browser setAttributeNS to the XML format. Thanks bartvde for supporting this work. r=crschmidt (closes #100)

Browse Source 
git-svn-id: http://svn.openlayers.org/trunk/openlayers@5919 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2008-01-28 16:39:05 +00:00
parent a14418f53f
commit 44f7ebdc22
9 changed files with 1440 additions and 0 deletions
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146
examples/wmc.html Normal file
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
#map {
height: 256px;
width: 512px;
}
#wmc {
width: 90%;
height: 300px;
}
</style>
<script src="../lib/Firebug/firebug.js"></script>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
// no pink please
OpenLayers.IMAGE_RELOAD_ATTEMPTS = 2;
OpenLayers.Util.onImageLoadErrorColor = "transparent";
var format = new OpenLayers.Format.WMC();
var doc, context, map;
function init() {
var options = {
maxExtent: new OpenLayers.Bounds(-130, 14, -60, 55)
};
map = new OpenLayers.Map("map", options);
var jpl = new OpenLayers.Layer.WMS(
"NASA Global Mosaic",
"http://t1.hypercube.telascience.org/cgi-bin/landsat7",
{layers: "landsat7"},
{
maxExtent: new OpenLayers.Bounds(-130, 14, -60, 55),
maxResolution: 0.1,
numZoomLevels: 4,
minResolution: 0.02
}
);
var vmap = new OpenLayers.Layer.WMS(
"OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0",
{layers: 'basic'},
{
maxExtent: new OpenLayers.Bounds(-130, 14, -60, 55),
maxResolution: 0.1,
numZoomLevels: 4,
minResolution: 0.02
}
);
var roads = new OpenLayers.Layer.WMS(
"Transportation Network",
"http://lioapp.lrc.gov.on.ca/cubeserv/cubeserv.pl",
{layers: "na_road:CCRS", transparent: "TRUE"},
{
isBaseLayer: false,
maxExtent: new OpenLayers.Bounds(
-166.532, 4.05046, -0.206818, 70.287
),
displayInLayerSwitcher: false,
opacity: 0.6,
minScale: 32000000,
numZoomLevels: 4,
maxScale: 6200000
}
);
var nexrad = new OpenLayers.Layer.WMS(
"Radar 3:1",
"http://columbo.nrlssc.navy.mil/ogcwms/servlet/WMSServlet/AccuWeather_Maps.wms",
{layers: "3:1", transparent: "TRUE"},
{
isBaseLayer: false,
maxExtent: new OpenLayers.Bounds(
-131.029495239, 14.5628967285,
-61.0295028687, 54.562896728
),
opacity: 0.8,
singleTile: true,
maxResolution: 0.1,
numZoomLevels: 4,
minResolution: 0.02
}
);
map.addLayers([jpl, vmap, roads, nexrad]);
map.addControl(new OpenLayers.Control.LayerSwitcher());
map.setCenter(new OpenLayers.LonLat(-95, 34.5), 1);
};
function readWMC(merge) {
var text = document.getElementById("wmc").value;
if(merge) {
try {
map = format.read(text, {map: map});
} catch(err) {
document.getElementById("wmc").value = err;
}
} else {
map.destroy();
try {
map = format.read(text, {map: "map"});
map.addControl(new OpenLayers.Control.LayerSwitcher());
} catch(err) {
document.getElementById("wmc").value = err;
}
}
}
function writeWMC(merge) {
try {
var text = format.write(map);
document.getElementById("wmc").value = text;
} catch(err) {
document.getElementById("wmc").value = err;
}
}
</script>
</head>
<body onload="init()">
<h1 id="title">WMC Example</h1>
<div id="tags">
</div>
<p id="shortdesc">
Shows parsing of Web Map Context documents.
</p>
<div id="map"></div>
<button onclick="writeWMC();">write</button>
<button onclick="readWMC();">read as new map</button>
<button onclick="readWMC(true);">read and merge</button>
<textarea id="wmc">paste WMC doc here</textarea>
<div id="docs">
This is an example of parsing WMC documents.
</div>
</body>
</html>

4
lib/OpenLayers.js
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@@ -185,6 +185,10 @@
"OpenLayers/Format/Text.js",
"OpenLayers/Format/JSON.js",
"OpenLayers/Format/GeoJSON.js",
"OpenLayers/Format/WMC.js",
"OpenLayers/Format/WMC/v1.js",
"OpenLayers/Format/WMC/v1_0_0.js",
"OpenLayers/Format/WMC/v1_1_0.js",
"OpenLayers/Layer/WFS.js",
"OpenLayers/Control/MouseToolbar.js",
"OpenLayers/Control/NavToolbar.js",

193
lib/OpenLayers/Format/WMC.js Normal file
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/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* @requires OpenLayers/Format/XML.js
*/
/**
* Class: OpenLayers.Format.WMC
* Read and write Web Map Context documents.
*
* Inherits from:
* - <OpenLayers.Format.XML>
*/
OpenLayers.Format.WMC = OpenLayers.Class({
/**
* APIProperty: defaultVersion
* {String} Version number to assume if none found. Default is "1.1.0".
*/
defaultVersion: "1.1.0",
/**
* APIProperty: version
* {String} Specify a version string if one is known.
*/
version: null,
/**
* Property: parser
* {Object} Instance of the versioned parser. Cached for multiple read and
* write calls of the same version.
*/
parser: null,
/**
* Constructor: OpenLayers.Format.WMC
* Create a new parser for WMC docs.
*
* Parameters:
* options - {Object} An optional object whose properties will be set on
* this instance.
*/
initialize: function(options) {
OpenLayers.Util.extend(this, options);
this.options = options;
},
/**
* APIMethod: read
* Read WMC data from a string, and return an object with map properties
* and a list of layers.
*
* Parameters:
* data - {String} or {DOMElement} data to read/parse.
* options - {Object} The options object must contain a map property. If
* the map property is a string, it must be the id of a dom element
* where the new map will be placed. If the map property is an
* <OpenLayers.Map>, the layers from the context document will be added
* to the map.
*
* Returns:
* {<OpenLayers.Map>} A map based on the context.
*/
read: function(data, options) {
if(typeof data == "string") {
data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
}
var root = data.documentElement;
var version = this.version;
if(!version) {
version = root.getAttribute("version");
if(!version) {
version = this.defaultVersion;
}
}
if(!this.parser || this.parser.VERSION != version) {
var format = OpenLayers.Format.WMC[
"v" + version.replace(/\./g, "_")
];
if(!format) {
throw "Can't find a WMS capabilities parser for version " +
version;
}
this.parser = new format(this.options);
}
var context = this.parser.read(data);
var map;
if(options.map instanceof OpenLayers.Map) {
map = this.mergeContextToMap(context, options.map);
} else {
map = this.contextToMap(context, options.map);
}
return map;
},
/**
* Method: contextToMap
* Create a map given a context object.
*
* Parameters:
* context - {Object} The context object.
* id - {String | Element} The dom element or element id that will contain
* the map.
*
* Returns:
* {<OpenLayers.Map>} A map based on the context object.
*/
contextToMap: function(context, id) {
var map = new OpenLayers.Map(id, {
maxExtent: context.maxExtent,
projection: context.projection
});
map.addLayers(context.layers);
map.setCenter(
context.bounds.getCenterLonLat(),
map.getZoomForExtent(context.bounds, true)
);
return map;
},
/**
* Method: mergeContextToMap
* Add layers from a context object to a map.
*
* Parameters:
* context - {Object} The context object.
* map - {<OpenLayers.Map>} The map.
*
* Returns:
* {<OpenLayers.Map>} The same map with layers added.
*/
mergeContextToMap: function(context, map) {
map.addLayers(context.layers);
return map;
},
/**
* APIMethod: write
* Write a WMC document given a map.
*
* Parameters:
* obj - {<OpenLayers.Map> | Object} A map or context object.
* options - {Object} Optional configuration object.
*
* Returns:
* {String} A WMC document string.
*/
write: function(obj, options) {
if(obj.CLASS_NAME == "OpenLayers.Map") {
obj = this.mapToContext(obj);
}
var version = (options && options.version) ||
this.version || this.defaultVersion;
if(!this.parser || this.parser.VERSION != version) {
var format = OpenLayers.Format.WMC[
"v" + version.replace(/\./g, "_")
];
if(!format) {
throw "Can't find a WMS capabilities parser for version " +
version;
}
this.parser = new format(this.options);
}
var wmc = this.parser.write(obj);
return wmc;
},
/**
* Method: mapToContext
* Create a context object given a map.
*
* Parameters:
* map - {<OpenLayers.Map>} The map.
*
* Returns:
* {Object} A context object.
*/
mapToContext: function(map) {
var context = {
bounds: map.getExtent(),
maxExtent: map.maxExtent,
projection: map.projection,
layers: map.layers,
size: map.getSize()
};
return context;
},
CLASS_NAME: "OpenLayers.Format.WMC"
});

764
lib/OpenLayers/Format/WMC/v1.js Normal file
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/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* @requires OpenLayers/Format/XML.js
*/
/**
* Class: OpenLayers.Format.WMC.v1
* Superclass for WMC version 1 parsers.
*
* Inherits from:
* - <OpenLayers.Format.XML>
*/
OpenLayers.Format.WMC.v1 = OpenLayers.Class(OpenLayers.Format.XML, {
/**
* Property: namespaces
* {Object} Mapping of namespace aliases to namespace URIs.
*/
namespaces: {
ol: "http://openlayers.org/context",
wmc: "http://www.opengis.net/context",
sld: "http://www.opengis.net/sld",
xlink: "http://www.w3.org/1999/xlink",
xsi: "http://www.w3.org/2001/XMLSchema-instance"
},
/**
* Property: schemaLocation
* {String} Schema location for a particular minor version.
*/
schemaLocation: "",
/**
* Method: getNamespacePrefix
* Get the namespace prefix for a given uri from the <namespaces> object.
*
* Returns:
* {String} A namespace prefix or null if none found.
*/
getNamespacePrefix: function(uri) {
var prefix = null;
if(uri == null) {
prefix = this.namespaces[this.defaultPrefix];
} else {
for(prefix in this.namespaces) {
if(this.namespaces[prefix] == uri) {
break;
}
}
}
return prefix;
},
/**
* Property: defaultPrefix
*/
defaultPrefix: "wmc",
/**
* Property: rootPrefix
* {String} Prefix on the root node that maps to the context namespace URI.
*/
rootPrefix: null,
/**
* Property: defaultStyleName
* {String} Style name used if layer has no style param. Default is "".
*/
defaultStyleName: "",
/**
* Property: defaultStyleTitle
* {String} Default style title. Default is "Default".
*/
defaultStyleTitle: "Default",
/**
* Constructor: OpenLayers.Format.WMC.v1
* Instances of this class are not created directly. Use the
* <OpenLayers.Format.WMC> constructor instead.
*
* Parameters:
* options - {Object} An optional object whose properties will be set on
* this instance.
*/
initialize: function(options) {
OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
},
/**
* Method: read
* Read capabilities data from a string, and return a list of layers.
*
* Parameters:
* data - {String} or {DOMElement} data to read/parse.
*
* Returns:
* {Array} List of named layers.
*/
read: function(data) {
if(typeof data == "string") {
data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
}
var root = data.documentElement;
this.rootPrefix = root.prefix;
var context = {
version: root.getAttribute("version")
};
this.runChildNodes(context, root);
return context;
},
/**
* Method: runChildNodes
*/
runChildNodes: function(obj, node) {
var children = node.childNodes;
var childNode, processor, prefix, local;
for(var i=0; i<children.length; ++i) {
childNode = children[i];
if(childNode.nodeType == 1) {
prefix = (childNode.prefix == this.rootPrefix) ?
this.defaultPrefix :
this.getNamespacePrefix(childNode.namespaceURI);
local = childNode.nodeName.split(":").pop();
processor = this["read_" + prefix + "_" + local];
if(processor) {
processor.apply(this, [obj, childNode]);
}
}
}
},
/**
* Method: read_wmc_General
*/
read_wmc_General: function(context, node) {
this.runChildNodes(context, node);
},
/**
* Method: read_wmc_BoundingBox
*/
read_wmc_BoundingBox: function(context, node) {
context.projection = node.getAttribute("SRS");
context.bounds = new OpenLayers.Bounds(
parseFloat(node.getAttribute("minx")),
parseFloat(node.getAttribute("miny")),
parseFloat(node.getAttribute("maxx")),
parseFloat(node.getAttribute("maxy"))
);
},
/**
* Method: read_wmc_LayerList
*/
read_wmc_LayerList: function(context, node) {
context.layers = [];
this.runChildNodes(context, node);
},
/**
* Method: read_wmc_Layer
*/
read_wmc_Layer: function(context, node) {
var layerInfo = {
params: {},
options: {
visibility: (node.getAttribute("hidden") != "1")
},
queryable: (node.getAttribute("queryable") == "1"),
formats: [],
styles: []
};
this.runChildNodes(layerInfo, node);
// set properties common to multiple objects on layer options/params
layerInfo.params.layers = layerInfo.name;
layerInfo.options.maxExtent = layerInfo.maxExtent;
// create the layer
var layer = this.getLayerFromInfo(layerInfo);
context.layers.push(layer);
},
/**
* Method: getLayerFromInfo
* Create a WMS layer from a layerInfo object.
*
* Parameters:
* layerInfo - {Object} An object representing a WMS layer.
*
* Returns:
* {<OpenLayers.Layer.WMS>} A WMS layer.
*/
getLayerFromInfo: function(layerInfo) {
var layer = new OpenLayers.Layer.WMS(
layerInfo.title,
layerInfo.href,
layerInfo.params,
layerInfo.options
);
return layer;
},
/**
* Method: read_wmc_Extension
*/
read_wmc_Extension: function(obj, node) {
this.runChildNodes(obj, node);
},
/**
* Method: read_ol_units
*/
read_ol_units: function(layerInfo, node) {
layerInfo.options.units = this.getChildValue(node);
},
/**
* Method: read_ol_maxExtent
*/
read_ol_maxExtent: function(obj, node) {
var bounds = new OpenLayers.Bounds(
node.getAttribute("minx"), node.getAttribute("miny"),
node.getAttribute("maxx"), node.getAttribute("maxy")
);
obj.maxExtent = bounds;
},
/**
* Method: read_ol_transparent
*/
read_ol_transparent: function(layerInfo, node) {
layerInfo.params.transparent = this.getChildValue(node);
},
/**
* Method: read_ol_numZoomLevels
*/
read_ol_numZoomLevels: function(layerInfo, node) {
layerInfo.options.numZoomLevels = parseInt(this.getChildValue(node));
},
/**
* Method: read_ol_opacity
*/
read_ol_opacity: function(layerInfo, node) {
layerInfo.options.opacity = parseFloat(this.getChildValue(node));
},
/**
* Method: read_ol_singleTile
*/
read_ol_singleTile: function(layerInfo, node) {
layerInfo.options.singleTile = (this.getChildValue(node) == "true");
},
/**
* Method: read_ol_isBaseLayer
*/
read_ol_isBaseLayer: function(layerInfo, node) {
layerInfo.options.isBaseLayer = (this.getChildValue(node) == "true");
},
/**
* Method: read_ol_displayInLayerSwitcher
*/
read_ol_displayInLayerSwitcher: function(layerInfo, node) {
layerInfo.options.displayInLayerSwitcher =
(this.getChildValue(node) == "true");
},
/**
* Method: read_wmc_Server
*/
read_wmc_Server: function(layerInfo, node) {
layerInfo.params.version = node.getAttribute("version");
this.runChildNodes(layerInfo, node);
},
/**
* Method: read_wmc_FormatList
*/
read_wmc_FormatList: function(layerInfo, node) {
this.runChildNodes(layerInfo, node);
},
/**
* Method: read_wmc_Format
*/
read_wmc_Format: function(layerInfo, node) {
var format = this.getChildValue(node)
layerInfo.formats.push(format);
if(node.getAttribute("current") == "1") {
layerInfo.params.format = format;
}
},
/**
* Method: read_wmc_StyleList
*/
read_wmc_StyleList: function(layerInfo, node) {
this.runChildNodes(layerInfo, node);
},
/**
* Method: read_wmc_Style
*/
read_wmc_Style: function(layerInfo, node) {
var style = {};
this.runChildNodes(style, node);
if(node.getAttribute("current") == "1") {
layerInfo.params.style = style.name;
}
layerInfo.styles.push(style);
},
/**
* Method: read_wmc_OnlineResource
*/
read_wmc_OnlineResource: function(obj, node) {
obj.href = this.getAttributeNS(
node, this.namespaces.xlink, "href"
);
},
/**
* Method: read_wmc_Name
*/
read_wmc_Name: function(obj, node) {
var name = this.getChildValue(node);
if(name) {
obj.name = name;
}
},
/**
* Method: read_wmc_Title
*/
read_wmc_Title: function(obj, node) {
var title = this.getChildValue(node);
if(title) {
obj.title = title;
}
},
/**
* Method: read_wmc_Abstract
*/
read_wmc_Abstract: function(obj, node) {
var abst = this.getChildValue(node);
if(abst) {
obj["abstract"] = abst;
}
},
/**
* Method: read_wmc_LatLonBoundingBox
*/
read_wmc_LatLonBoundingBox: function(layer, node) {
layer.llbbox = [
parseFloat(node.getAttribute("minx")),
parseFloat(node.getAttribute("miny")),
parseFloat(node.getAttribute("maxx")),
parseFloat(node.getAttribute("maxy"))
];
},
/**
* Method: read_wmc_LegendURL
*/
read_wmc_LegendURL: function(style, node) {
var legend = {
width: node.getAttribute('width'),
height: node.getAttribute('height')
};
var links = node.getElementsByTagName("OnlineResource");
if(links.length > 0) {
this.read_wmc_OnlineResource(legend, links[0]);
}
style.legend = legend;
},
/**
* Method: write
*
* Parameters:
* context - {Object} An object representing the map context.
* options - {Object} Optional object.
*
* Returns:
* {String} A WMC document string.
*/
write: function(context, options) {
var root = this.createElementDefaultNS("ViewContext");
this.setAttributes(root, {
version: this.VERSION,
id: (options && typeof options.id == "string") ?
options.id :
OpenLayers.Util.createUniqueID("OpenLayers_Context_")
});
// add schemaLocation attribute
this.setAttributeNS(
root, this.namespaces.xsi,
"xsi:schemaLocation", this.schemaLocation
);
// required General element
root.appendChild(this.write_wmc_General(context));
// required LayerList element
root.appendChild(this.write_wmc_LayerList(context));
return OpenLayers.Format.XML.prototype.write.apply(this, [root]);
},
/**
* Method: createElementDefaultNS
* Shorthand for createElementNS with namespace from <defaultPrefix>.
* Can optionally be used to set attributes and a text child value.
*
* Parameters:
* name - {String} The qualified node name.
* childValue - {String} Optional value for text child node.
* attributes - {Object} Optional object representing attributes.
*
* Returns:
* {Element} An element node.
*/
createElementDefaultNS: function(name, childValue, attributes) {
var node = this.createElementNS(
this.namespaces[this.defaultPrefix],
name
);
if(childValue) {
node.appendChild(this.createTextNode(childValue));
}
if(attributes) {
this.setAttributes(node, attributes);
}
return node;
},
/**
* Method: setAttributes
* Set multiple attributes given key value pairs from an object.
*
* Parameters:
* node - {Element} An element node.
* obj - {Object} An object whose properties represent attribute names and
* values represent attribute values.
*/
setAttributes: function(node, obj) {
var value;
for(var name in obj) {
value = obj[name].toString();
if(value.match(/[A-Z]/)) {
// safari lowercases attributes with setAttribute
this.setAttributeNS(node, null, name, value);
} else {
node.setAttribute(name, value);
}
}
},
/**
* Method: write_wmc_General
* Create a General node given an context object.
*
* Parameters:
* context - {Object} Context object.
*
* Returns:
* {Element} A WMC General element node.
*/
write_wmc_General: function(context) {
var node = this.createElementDefaultNS("General");
// optional Window element
if(context.size) {
node.appendChild(this.createElementDefaultNS(
"Window", null,
{
width: context.size.w,
height: context.size.h
}
));
}
// required BoundingBox element
var bounds = context.bounds;
node.appendChild(this.createElementDefaultNS(
"BoundingBox", null,
{
minx: bounds.left.toPrecision(10),
miny: bounds.bottom.toPrecision(10),
maxx: bounds.right.toPrecision(10),
maxy: bounds.top.toPrecision(10),
SRS: context.projection
}
));
// required Title element
node.appendChild(this.createElementDefaultNS(
"Title", context.title
));
// OpenLayers specific map properties
node.appendChild(this.write_ol_MapExtension(context));
return node;
},
/**
* Method: write_ol_MapExtension
*/
write_ol_MapExtension: function(context) {
var node = this.createElementDefaultNS("Extension");
var bounds = context.maxExtent;
if(bounds) {
var maxExtent = this.createElementNS(
this.namespaces.ol, "ol:maxExtent"
);
this.setAttributes(maxExtent, {
minx: bounds.left.toPrecision(10),
miny: bounds.bottom.toPrecision(10),
maxx: bounds.right.toPrecision(10),
maxy: bounds.top.toPrecision(10)
});
node.appendChild(maxExtent);
}
return node;
},
/**
* Method: write_wmc_LayerList
* Create a LayerList node given an context object.
*
* Parameters:
* context - {Object} Context object.
*
* Returns:
* {Element} A WMC LayerList element node.
*/
write_wmc_LayerList: function(context) {
var list = this.createElementDefaultNS("LayerList");
var layer;
for(var i=0; i<context.layers.length; ++i) {
layer = context.layers[i];
if(layer instanceof OpenLayers.Layer.WMS) {
list.appendChild(this.write_wmc_Layer(layer));
}
}
return list;
},
/**
* Method: write_wmc_Layer
* Create a Layer node given a layer object.
*
* Parameters:
* layer - {<OpenLayers.Layer.WMS>} Layer object.
*
* Returns:
* {Element} A WMC Layer element node.
*/
write_wmc_Layer: function(layer) {
var node = this.createElementDefaultNS(
"Layer", null, {
queryable: "1",
hidden: layer.visibility ? "0" : "1"
}
);
// required Server element
node.appendChild(this.write_wmc_Server(layer));
// required Name element
node.appendChild(this.createElementDefaultNS(
"Name", layer.params["LAYERS"]
));
// required Title element
node.appendChild(this.createElementDefaultNS(
"Title", layer.name
));
// optional FormatList element
node.appendChild(this.write_wmc_FormatList(layer));
// optional StyleList element
node.appendChild(this.write_wmc_StyleList(layer));
// OpenLayers specific properties go in an Extension element
node.appendChild(this.write_wmc_LayerExtension(layer));
return node;
},
/**
* Method: write_wmc_LayerExtension
* Add OpenLayers specific layer parameters to an Extension element.
*
* Parameters:
* layer - {<OpenLayers.Layer.WMS>} A WMS layer.
*
* Returns:
* {Element} A WMC Extension element (for a layer).
*/
write_wmc_LayerExtension: function(layer) {
var node = this.createElementDefaultNS("Extension");
var bounds = layer.maxExtent;
var maxExtent = this.createElementNS(
this.namespaces.ol, "ol:maxExtent"
);
this.setAttributes(maxExtent, {
minx: bounds.left.toPrecision(10),
miny: bounds.bottom.toPrecision(10),
maxx: bounds.right.toPrecision(10),
maxy: bounds.top.toPrecision(10)
});
node.appendChild(maxExtent);
var param = layer.params["TRANSPARENT"];
if(param) {
var trans = this.createElementNS(
this.namespaces.ol, "ol:transparent"
);
trans.appendChild(this.createTextNode(param));
node.appendChild(trans);
}
var properties = [
"numZoomLevels", "units", "isBaseLayer",
"opacity", "displayInLayerSwitcher", "singleTile"
];
var child;
for(var i=0; i<properties.length; ++i) {
child = this.createOLPropertyNode(layer, properties[i]);
if(child) {
node.appendChild(child);
}
}
return node;
},
/**
* Method: createOLPropertyNode
* Create a node representing an OpenLayers property. If the property is
* null or undefined, null will be returned.
*
* Parameters:
* object - {Object} An object.
* prop - {String} A property.
*
* Returns:
* {Element} A property node.
*/
createOLPropertyNode: function(obj, prop) {
var node = null;
if(obj[prop] != null) {
node = this.createElementNS(this.namespaces.ol, "ol:" + prop);
node.appendChild(this.createTextNode(obj[prop].toString()));
}
return node;
},
/**
* Method: write_wmc_Server
* Create a Server node given a layer object.
*
* Parameters:
* layer - {<OpenLayers.Layer.WMS>} Layer object.
*
* Returns:
* {Element} A WMC Server element node.
*/
write_wmc_Server: function(layer) {
var node = this.createElementDefaultNS("Server");
this.setAttributes(node, {
service: "OGC:WMS",
version: layer.params["VERSION"]
});
// required OnlineResource element
node.appendChild(this.write_wmc_OnlineResource(layer.url));
return node;
},
/**
* Method: write_wmc_FormatList
* Create a FormatList node given a layer.
*
* Parameters:
* layer - {<OpenLayers.Layer.WMS>} Layer object.
*
* Returns:
* {Element} A WMC FormatList element node.
*/
write_wmc_FormatList: function(layer) {
var node = this.createElementDefaultNS("FormatList");
node.appendChild(this.createElementDefaultNS(
"Format", layer.params["FORMAT"], {current: "1"}
));
return node;
},
/**
* Method: write_wmc_StyleList
* Create a StyleList node given a layer.
*
* Parameters:
* layer - {<OpenLayers.Layer.WMS>} Layer object.
*
* Returns:
* {Element} A WMC StyleList element node.
*/
write_wmc_StyleList: function(layer) {
var node = this.createElementDefaultNS("StyleList");
var style = this.createElementDefaultNS(
"Style", null, {current: "1"}
);
var name = layer.params["STYLES"] ?
layer.params["STYLES"] : this.defaultStyleName;
style.appendChild(this.createElementDefaultNS("Name", name));
style.appendChild(this.createElementDefaultNS(
"Title", this.defaultStyleTitle
));
node.appendChild(style);
return node;
},
/**
* Method: write_wmc_OnlineResource
* Create an OnlineResource node given a URL.
*
* Parameters:
* href - {String} URL for the resource.
*
* Returns:
* {Element} A WMC OnlineResource element node.
*/
write_wmc_OnlineResource: function(href) {
var node = this.createElementDefaultNS("OnlineResource");
this.setAttributeNS(node, this.namespaces.xlink, "xlink:type", "simple");
this.setAttributeNS(node, this.namespaces.xlink, "xlink:href", href);
return node;
},
CLASS_NAME: "OpenLayers.Format.WMC.v1"
});

49
lib/OpenLayers/Format/WMC/v1_0_0.js Normal file
View File

@@ -0,0 +1,49 @@
/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* @requires OpenLayers/Format/WMC/v1.js
*/
/**
* Class: OpenLayers.Format.WMC.v1_0_0
* Read and write WMC version 1.0.0.
*
* Inherits from:
* - <OpenLayers.Format.WMC.v1>
*/
OpenLayers.Format.WMC.v1_0_0 = OpenLayers.Class(
OpenLayers.Format.WMC.v1, {
/**
* Constant: VERSION
* {String} 1.0.0
*/
VERSION: "1.0.0",
/**
* Property: schemaLocation
* {String} http://www.opengis.net/context
* http://schemas.opengis.net/context/1.0.0/context.xsd
*/
schemaLocation: "http://www.opengis.net/context http://schemas.opengis.net/context/1.0.0/context.xsd",
/**
* Constructor: OpenLayers.Format.WMC.v1_0_0
* Instances of this class are not created directly. Use the
* <OpenLayers.Format.WMC> constructor instead.
*
* Parameters:
* options - {Object} An optional object whose properties will be set on
* this instance.
*/
initialize: function(options) {
OpenLayers.Format.WMC.v1.prototype.initialize.apply(
this, [options]
);
},
CLASS_NAME: "OpenLayers.Format.WMC.v1_0_0"
});

110
lib/OpenLayers/Format/WMC/v1_1_0.js Normal file
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@@ -0,0 +1,110 @@
/* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD
* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* @requires OpenLayers/Format/WMC/v1.js
*/
/**
* Class: OpenLayers.Format.WMC.v1_1_0
* Read and write WMC version 1.1.0.
*
* Differences between 1.1.0 and 1.0.0:
* - 1.1.0 Layers have optional sld:MinScaleDenominator and
* sld:MaxScaleDenominator
*
* Inherits from:
* - <OpenLayers.Format.WMC.v1>
*/
OpenLayers.Format.WMC.v1_1_0 = OpenLayers.Class(
OpenLayers.Format.WMC.v1, {
/**
* Constant: VERSION
* {String} 1.1.0
*/
VERSION: "1.1.0",
/**
* Property: schemaLocation
* {String} http://www.opengis.net/context
* http://schemas.opengis.net/context/1.1.0/context.xsd
*/
schemaLocation: "http://www.opengis.net/context http://schemas.opengis.net/context/1.1.0/context.xsd",
/**
* Constructor: OpenLayers.Format.WMC.v1_1_0
* Instances of this class are not created directly. Use the
* <OpenLayers.Format.WMC> constructor instead.
*
* Parameters:
* options - {Object} An optional object whose properties will be set on
* this instance.
*/
initialize: function(options) {
OpenLayers.Format.WMC.v1.prototype.initialize.apply(
this, [options]
);
},
/**
* Method: read_sld_MinScaleDenominator
* Read a sld:MinScaleDenominator node.
*
* Parameters:
* layerInfo - {Object} An object representing a layer.
* node - {Element} An element node.
*/
read_sld_MinScaleDenominator: function(layerInfo, node) {
layerInfo.options.maxScale = this.getChildValue(node);
},
/**
* Method: read_sld_MaxScaleDenominator
* Read a sld:MaxScaleDenominator node.
*
* Parameters:
* layerInfo - {Object} An object representing a layer.
* node - {Element} An element node.
*/
read_sld_MaxScaleDenominator: function(layerInfo, node) {
layerInfo.options.minScale = this.getChildValue(node);
},
/**
* Method: write_wmc_Layer
* Create a Layer node given a layer object. This method adds elements
* specific to version 1.1.0.
*
* Parameters:
* layer - {<OpenLayers.Layer.WMS>} Layer object.
*
* Returns:
* {Element} A WMC Layer element node.
*/
write_wmc_Layer: function(layer) {
var node = OpenLayers.Format.WMC.v1.prototype.write_wmc_Layer.apply(
this, [layer]
);
// min/max scale denominator elements go before the 4th element in v1
var minSD = this.createElementNS(
this.namespaces.sld, "sld:MinScaleDenominator"
);
minSD.appendChild(this.createTextNode(layer.maxScale.toPrecision(10)));
node.insertBefore(minSD, node.childNodes[3]);
var maxSD = this.createElementNS(
this.namespaces.sld, "sld:MaxScaleDenominator"
);
maxSD.appendChild(this.createTextNode(layer.minScale.toPrecision(10)));
node.insertBefore(maxSD, node.childNodes[4]);
return node;
},
CLASS_NAME: "OpenLayers.Format.WMC.v1_1_0"
});

31
lib/OpenLayers/Format/XML.js
View File

@@ -349,6 +349,37 @@ OpenLayers.Format.XML = OpenLayers.Class(OpenLayers.Format, {
return found;
},
/**
* APIMethod: setAttributeNS
* Adds a new attribute or changes the value of an attribute with the given
* namespace and name.
*
* Parameters:
* node - {Element} Element node on which to set the attribute.
* uri - {String} Namespace URI for the attribute.
* name - {String} Qualified name (prefix:localname) for the attribute.
* value - {String} Attribute value.
*/
setAttributeNS: function(node, uri, name, value) {
if(node.setAttributeNS) {
node.setAttributeNS(uri, name, value);
} else {
if(this.xmldom) {
if(uri) {
var attribute = node.ownerDocument.createNode(
2, name, uri
);
attribute.nodeValue = value;
node.setAttributeNode(attribute);
} else {
node.setAttribute(name, value);
}
} else {
throw "setAttributeNS not implemented";
}
}
},
CLASS_NAME: "OpenLayers.Format.XML"
});

142
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File diff suppressed because one or more lines are too long

1
tests/list-tests.html
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@@ -29,6 +29,7 @@
<li>Format/test_KML.html</li>
<li>Format/test_SLD.html</li>
<li>Format/test_WKT.html</li>
<li>Format/test_WMC.html</li>
<li>Format/test_XML.html</li>
<li>test_Icon.html</li>
<li>test_Marker.html</li>