More trip planner testing with colors
[busui.git] / labs / openlayers / lib / OpenLayers / Format / GML / v3.js
blob:a/labs/openlayers/lib/OpenLayers/Format/GML/v3.js -> blob:b/labs/openlayers/lib/OpenLayers/Format/GML/v3.js
  /* 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.v3
  * Parses GML version 3.
  *
  * Inherits from:
  * - <OpenLayers.Format.GML.Base>
  */
  OpenLayers.Format.GML.v3 = OpenLayers.Class(OpenLayers.Format.GML.Base, {
   
  /**
  * Property: schemaLocation
  * {String} Schema location for a particular minor version. The writers
  * conform with the Simple Features Profile for GML.
  */
  schemaLocation: "http://www.opengis.net/gml http://schemas.opengis.net/gml/3.1.1/profiles/gmlsfProfile/1.0.0/gmlsf.xsd",
   
  /**
  * Property: curve
  * {Boolean} Write gml:Curve instead of gml:LineString elements. This also
  * affects the elements in multi-part geometries. Default is false.
  * To write gml:Curve elements instead of gml:LineString, set curve
  * to true in the options to the contstructor (cannot be changed after
  * instantiation).
  */
  curve: false,
   
  /**
  * Property: multiCurve
  * {Boolean} Write gml:MultiCurve instead of gml:MultiLineString. Since
  * the latter is deprecated in GML 3, the default is true. To write
  * gml:MultiLineString instead of gml:MultiCurve, set multiCurve to
  * false in the options to the constructor (cannot be changed after
  * instantiation).
  */
  multiCurve: true,
   
  /**
  * Property: surface
  * {Boolean} Write gml:Surface instead of gml:Polygon elements. This also
  * affects the elements in multi-part geometries. Default is false.
  * To write gml:Surface elements instead of gml:Polygon, set surface
  * to true in the options to the contstructor (cannot be changed after
  * instantiation).
  */
  surface: false,
   
  /**
  * Property: multiSurface
  * {Boolean} Write gml:multiSurface instead of gml:MultiPolygon. Since
  * the latter is deprecated in GML 3, the default is true. To write
  * gml:MultiPolygon instead of gml:multiSurface, set multiSurface to
  * false in the options to the constructor (cannot be changed after
  * instantiation).
  */
  multiSurface: true,
   
  /**
  * Constructor: OpenLayers.Format.GML.v3
  * Create a parser for GML v3.
  *
  * 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({
  "featureMembers": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "Curve": function(node, container) {
  var obj = {points: []};
  this.readChildNodes(node, obj);
  if(!container.components) {
  container.components = [];
  }
  container.components.push(
  new OpenLayers.Geometry.LineString(obj.points)
  );
  },
  "segments": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "LineStringSegment": function(node, container) {
  var obj = {};
  this.readChildNodes(node, obj);
  if(obj.points) {
  Array.prototype.push.apply(container.points, obj.points);
  }
  },
  "pos": function(node, obj) {
  var str = this.getChildValue(node).replace(
  this.regExes.trimSpace, ""
  );
  var coords = str.split(this.regExes.splitSpace);
  var point;
  if(this.xy) {
  point = new OpenLayers.Geometry.Point(
  coords[0], coords[1], coords[2]
  );
  } else {
  point = new OpenLayers.Geometry.Point(
  coords[1], coords[0], coords[2]
  );
  }
  obj.points = [point];
  },
  "posList": function(node, obj) {
  var str = this.getChildValue(node).replace(
  this.regExes.trimSpace, ""
  );
  var coords = str.split(this.regExes.splitSpace);
  var dim = parseInt(node.getAttribute("dimension")) || 2;
  var j, x, y, z;
  var numPoints = coords.length / dim;
  var points = new Array(numPoints);
  for(var i=0, len=coords.length; i<len; i += dim) {
  x = coords[i];
  y = coords[i+1];
  z = (dim == 2) ? undefined : coords[i+2];
  if (this.xy) {
  points[i/dim] = new OpenLayers.Geometry.Point(x, y, z);
  } else {
  points[i/dim] = new OpenLayers.Geometry.Point(y, x, z);
  }
  }
  obj.points = points;
  },
  "Surface": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "patches": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "PolygonPatch": function(node, obj) {
  this.readers.gml.Polygon.apply(this, [node, obj]);
  },
  "exterior": function(node, container) {
  var obj = {};
  this.readChildNodes(node, obj);
  container.outer = obj.components[0];
  },
  "interior": function(node, container) {
  var obj = {};
  this.readChildNodes(node, obj);
  container.inner.push(obj.components[0]);
  },
  "MultiCurve": function(node, container) {
  var obj = {components: []};
  this.readChildNodes(node, obj);
  if(obj.components.length > 0) {
  container.components = [
  new OpenLayers.Geometry.MultiLineString(obj.components)
  ];
  }
  },
  "curveMember": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "MultiSurface": function(node, container) {
  var obj = {components: []};
  this.readChildNodes(node, obj);
  if(obj.components.length > 0) {
  container.components = [
  new OpenLayers.Geometry.MultiPolygon(obj.components)
  ];
  }
  },
  "surfaceMember": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "surfaceMembers": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "pointMembers": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "lineStringMembers": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "polygonMembers": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "geometryMembers": function(node, obj) {
  this.readChildNodes(node, obj);
  },
  "Envelope": function(node, container) {
  var obj = {points: new Array(2)};
  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)
  );
  },
  "lowerCorner": function(node, container) {
  var obj = {};
  this.readers.gml.pos.apply(this, [node, obj]);
  container.points[0] = obj.points[0];
  },
  "upperCorner": function(node, container) {
  var obj = {};
  this.readers.gml.pos.apply(this, [node, obj]);
  container.points[1] = obj.points[0];
  }
  }, 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) {
  name = "featureMembers";
  } else {
  name = "featureMember";
  }
  var root = this.writeNode("gml:" + 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({
  "featureMembers": function(features) {
  var node = this.createElementNSPlus("gml:featureMembers");
  for(var i=0, len=features.length; i<len; ++i) {
  this.writeNode("feature:_typeName", features[i], node);
  }
  return node;
  },
  "Point": function(geometry) {
  var node = this.createElementNSPlus("gml:Point");
  this.writeNode("pos", geometry, node);
  return node;
  },
  "pos": function(point) {
  // only 2d for simple features profile
  var pos = (this.xy) ?
  (point.x + " " + point.y) : (point.y + " " + point.x);
  return this.createElementNSPlus("gml:pos", {
  value: pos
  });
  },
  "LineString": function(geometry) {
  var node = this.createElementNSPlus("gml:LineString");
  this.writeNode("posList", geometry.components, node);
  return node;
  },
  "Curve": function(geometry) {
  var node = this.createElementNSPlus("gml:Curve");
  this.writeNode("segments", geometry, node);
  return node;
  },
  "segments": function(geometry) {
  var node = this.createElementNSPlus("gml:segments");
  this.writeNode("LineStringSegment", geometry, node);
  return node;
  },
  "LineStringSegment": function(geometry) {
  var node = this.createElementNSPlus("gml:LineStringSegment");
  this.writeNode("posList", geometry.components, node);
  return node;
  },
  "posList": function(points) {
  // only 2d for simple features profile
  var len = points.length;
  var parts = new Array(len);
  var point;
  for(var i=0; i<len; ++i) {
  point = points[i];
  if(this.xy) {
  parts[i] = point.x + " " + point.y;
  } else {
  parts[i] = point.y + " " + point.x;
  }
  }
  return this.createElementNSPlus("gml:posList", {
  value: parts.join(" ")
  });
  },
  "Surface": function(geometry) {
  var node = this.createElementNSPlus("gml:Surface");
  this.writeNode("patches", geometry, node);
  return node;
  },
  "patches": function(geometry) {
  var node = this.createElementNSPlus("gml:patches");
  this.writeNode("PolygonPatch", geometry, node);
  return node;
  },
  "PolygonPatch": function(geometry) {
  var node = this.createElementNSPlus("gml:PolygonPatch", {
  attributes: {interpolation: "planar"}
  });
  this.writeNode("exterior", geometry.components[0], node);
  for(var i=1, len=geometry.components.length; i<len; ++i) {
  this.writeNode(
  "interior", geometry.components[i], node
  );
  }
  return node;
  },
  "Polygon": function(geometry) {
  var node = this.createElementNSPlus("gml:Polygon");