| /* Copyright (c) 2006-2010 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/Format/GML/Base.js | |
| */ | |
| /** | |
| * Class: OpenLayers.Format.GML.v2 | |
| * Parses GML version 2. | |
| * | |
| * Inherits from: | |
| * - <OpenLayers.Format.GML.Base> | |
| */ | |
| OpenLayers.Format.GML.v2 = OpenLayers.Class(OpenLayers.Format.GML.Base, { | |
| /** | |
| * Property: schemaLocation | |
| * {String} Schema location for a particular minor version. | |
| */ | |
| schemaLocation: "http://www.opengis.net/gml http://schemas.opengis.net/gml/2.1.2/feature.xsd", | |
| /** | |
| * Constructor: OpenLayers.Format.GML.v2 | |
| * Create a parser for GML v2. | |
| * | |
| * Parameters: | |
| * options - {Object} An optional object whose properties will be set on | |
| * this instance. | |
| * | |
| * Valid options properties: | |
| * featureType - {String} Local (without prefix) feature typeName (required). | |
| * featureNS - {String} Feature namespace (required). | |
| * geometryName - {String} Geometry element name. | |
| */ | |
| initialize: function(options) { | |
| OpenLayers.Format.GML.Base.prototype.initialize.apply(this, [options]); | |
| }, | |
| /** | |
| * Property: readers | |
| * Contains public functions, grouped by namespace prefix, that will | |
| * be applied when a namespaced node is found matching the function | |
| * name. The function will be applied in the scope of this parser | |
| * with two arguments: the node being read and a context object passed | |
| * from the parent. | |
| */ | |
| readers: { | |
| "gml": OpenLayers.Util.applyDefaults({ | |
| "outerBoundaryIs": function(node, container) { | |
| var obj = {}; | |
| this.readChildNodes(node, obj); | |
| container.outer = obj.components[0]; | |
| }, | |
| "innerBoundaryIs": function(node, container) { | |
| var obj = {}; | |
| this.readChildNodes(node, obj); | |
| container.inner.push(obj.components[0]); | |
| }, | |
| "Box": function(node, container) { | |
| var obj = {}; | |
| this.readChildNodes(node, obj); | |
| if(!container.components) { | |
| container.components = []; | |
| } | |
| var min = obj.points[0]; | |
| var max = obj.points[1]; | |
| container.components.push( | |
| new OpenLayers.Bounds(min.x, min.y, max.x, max.y) | |
| ); | |
| } | |
| }, OpenLayers.Format.GML.Base.prototype.readers["gml"]), | |
| "feature": OpenLayers.Format.GML.Base.prototype.readers["feature"], | |
| "wfs": OpenLayers.Format.GML.Base.prototype.readers["wfs"] | |
| }, | |
| /** | |
| * Method: write | |
| * | |
| * Parameters: | |
| * features - {Array(<OpenLayers.Feature.Vector>) | OpenLayers.Feature.Vector} | |
| * An array of features or a single feature. | |
| * | |
| * Returns: | |
| * {String} Given an array of features, a doc with a gml:featureMembers | |
| * element will be returned. Given a single feature, a doc with a | |
| * gml:featureMember element will be returned. | |
| */ | |
| write: function(features) { | |
| var name; | |
| if(features instanceof Array) { | |
| // GML2 only has abstract feature collections | |
| // wfs provides a feature collection from a well-known schema | |
| name = "wfs:FeatureCollection"; | |
| } else { | |
| name = "gml:featureMember"; | |
| } | |
| var root = this.writeNode(name, features); | |
| this.setAttributeNS( | |
| root, this.namespaces["xsi"], | |
| "xsi:schemaLocation", this.schemaLocation | |
| ); | |
| return OpenLayers.Format.XML.prototype.write.apply(this, [root]); | |
| }, | |
| /** | |
| * Property: writers | |
| * As a compliment to the readers property, this structure contains public | |
| * writing functions grouped by namespace alias and named like the | |
| * node names they produce. | |
| */ | |
| writers: { | |
| "gml": OpenLayers.Util.applyDefaults({ | |
| "Point": function(geometry) { | |
| var node = this.createElementNSPlus("gml:Point"); | |
| this.writeNode("coordinates", [geometry], node); | |
| return node; | |
| }, | |
| "coordinates": function(points) { | |
| var numPoints = points.length; | |
| var parts = new Array(numPoints); | |
| var point; | |
| for(var i=0; i<numPoints; ++i) { | |
| point = points[i]; | |
| if(this.xy) { | |
| parts[i] = point.x + "," + point.y; | |
| } else { | |
| parts[i] = point.y + "," + point.x; | |
| } | |
| if(point.z != undefined) { // allow null or undefined | |
| parts[i] += "," + point.z; | |
| } | |
| } | |
| return this.createElementNSPlus("gml:coordinates", { | |
| attributes: { | |
| decimal: ".", cs: ",", ts: " " | |
| }, | |
| value: (numPoints == 1) ? parts[0] : parts.join(" ") | |
| }); | |
| }, | |
| "LineString": function(geometry) { | |
| var node = this.createElementNSPlus("gml:LineString"); | |
| this.writeNode("coordinates", geometry.components, node); | |
| return node; | |
| }, | |
| "Polygon": function(geometry) { | |
| var node = this.createElementNSPlus("gml:Polygon"); | |
| this.writeNode("outerBoundaryIs", geometry.components[0], node); | |
| for(var i=1; i<geometry.components.length; ++i) { | |
| this.writeNode( | |
| "innerBoundaryIs", geometry.components[i], node | |
| ); | |
| } | |
| return node; | |
| }, | |
| "outerBoundaryIs": function(ring) { | |
| var node = this.createElementNSPlus("gml:outerBoundaryIs"); | |
| this.writeNode("LinearRing", ring, node); | |
| return node; | |
| }, | |
| "innerBoundaryIs": function(ring) { | |
| var node = this.createElementNSPlus("gml:innerBoundaryIs"); | |
| this.writeNode("LinearRing", ring, node); | |
| return node; | |
| }, | |
| "LinearRing": function(ring) { | |
| var node = this.createElementNSPlus("gml:LinearRing"); | |
| this.writeNode("coordinates", ring.components, node); | |
| return node; | |
| }, | |
| "Box": function(bounds) { | |
| var node = this.createElementNSPlus("gml:Box"); | |
| this.writeNode("coordinates", [ | |
| {x: bounds.left, y: bounds.bottom}, | |
| {x: bounds.right, y: bounds.top} | |
| ], node); | |
| // srsName attribute is optional for gml:Box | |
| if(this.srsName) { | |
| node.setAttribute("srsName", this.srsName); | |
| } | |
| return node; | |
| } | |
| }, OpenLayers.Format.GML.Base.prototype.writers["gml"]), | |
| "feature": OpenLayers.Format.GML.Base.prototype.writers["feature"], | |
| "wfs": OpenLayers.Format.GML.Base.prototype.writers["wfs"] | |
| }, | |
| CLASS_NAME: "OpenLayers.Format.GML.v2" | |
| }); | |