--- a/labs/openlayers/lib/OpenLayers/Format/Filter/v1_0_0.js +++ b/labs/openlayers/lib/OpenLayers/Format/Filter/v1_0_0.js @@ -1,1 +1,169 @@ +/* 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/v2.js + * @requires OpenLayers/Format/Filter/v1.js + */ + +/** + * Class: OpenLayers.Format.Filter.v1_0_0 + * Write ogc:Filter version 1.0.0. + * + * Inherits from: + * - <OpenLayers.Format.GML.v2> + * - <OpenLayers.Format.Filter.v1> + */ +OpenLayers.Format.Filter.v1_0_0 = OpenLayers.Class( + OpenLayers.Format.GML.v2, OpenLayers.Format.Filter.v1, { + + /** + * Constant: VERSION + * {String} 1.0.0 + */ + VERSION: "1.0.0", + + /** + * Property: schemaLocation + * {String} http://www.opengis.net/ogc/filter/1.0.0/filter.xsd + */ + schemaLocation: "http://www.opengis.net/ogc/filter/1.0.0/filter.xsd", + + /** + * Constructor: OpenLayers.Format.Filter.v1_0_0 + * Instances of this class are not created directly. Use the + * <OpenLayers.Format.Filter> constructor instead. + * + * Parameters: + * options - {Object} An optional object whose properties will be set on + * this instance. + */ + initialize: function(options) { + OpenLayers.Format.GML.v2.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: { + "ogc": OpenLayers.Util.applyDefaults({ + "PropertyIsEqualTo": function(node, obj) { + var filter = new OpenLayers.Filter.Comparison({ + type: OpenLayers.Filter.Comparison.EQUAL_TO + }); + this.readChildNodes(node, filter); + obj.filters.push(filter); + }, + "PropertyIsNotEqualTo": function(node, obj) { + var filter = new OpenLayers.Filter.Comparison({ + type: OpenLayers.Filter.Comparison.NOT_EQUAL_TO + }); + this.readChildNodes(node, filter); + obj.filters.push(filter); + }, + "PropertyIsLike": function(node, obj) { + var filter = new OpenLayers.Filter.Comparison({ + type: OpenLayers.Filter.Comparison.LIKE + }); + this.readChildNodes(node, filter); + var wildCard = node.getAttribute("wildCard"); + var singleChar = node.getAttribute("singleChar"); + var esc = node.getAttribute("escape"); + filter.value2regex(wildCard, singleChar, esc); + obj.filters.push(filter); + } + }, OpenLayers.Format.Filter.v1.prototype.readers["ogc"]), + "gml": OpenLayers.Format.GML.v2.prototype.readers["gml"], + "feature": OpenLayers.Format.GML.v2.prototype.readers["feature"] + }, + + /** + * 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: { + "ogc": OpenLayers.Util.applyDefaults({ + "PropertyIsEqualTo": function(filter) { + var node = this.createElementNSPlus("ogc:PropertyIsEqualTo"); + // no ogc:expression handling for now + this.writeNode("PropertyName", filter, node); + this.writeNode("Literal", filter.value, node); + return node; + }, + "PropertyIsNotEqualTo": function(filter) { + var node = this.createElementNSPlus("ogc:PropertyIsNotEqualTo"); + // no ogc:expression handling for now + this.writeNode("PropertyName", filter, node); + this.writeNode("Literal", filter.value, node); + return node; + }, + "PropertyIsLike": function(filter) { + var node = this.createElementNSPlus("ogc:PropertyIsLike", { + attributes: { + wildCard: "*", singleChar: ".", escape: "!" + } + }); + // no ogc:expression handling for now + this.writeNode("PropertyName", filter, node); + // convert regex string to ogc string + this.writeNode("Literal", filter.regex2value(), node); + return node; + }, + "BBOX": function(filter) { + var node = this.createElementNSPlus("ogc:BBOX"); + this.writeNode("PropertyName", filter, node); + var box = this.writeNode("gml:Box", filter.value, node); + if(filter.projection) { + box.setAttribute("srsName", filter.projection); + } + return node; + }}, OpenLayers.Format.Filter.v1.prototype.writers["ogc"]), + + "gml": OpenLayers.Format.GML.v2.prototype.writers["gml"], + "feature": OpenLayers.Format.GML.v2.prototype.writers["feature"] + + }, + + /** + * Method: writeSpatial + * + * Read a {<OpenLayers.Filter.Spatial>} filter and converts it into XML. + * + * Parameters: + * filter - {<OpenLayers.Filter.Spatial>} The filter. + * name - {String} Name of the generated XML element. + * + * Returns: + * {DOMElement} The created XML element. + */ + writeSpatial: function(filter, name) { + var node = this.createElementNSPlus("ogc:"+name); + this.writeNode("PropertyName", filter, node); + var child; + if(filter.value instanceof OpenLayers.Geometry) { + child = this.writeNode("feature:_geometry", filter.value).firstChild; + } else { + child = this.writeNode("gml:Box", filter.value); + } + if(filter.projection) { + child.setAttribute("srsName", filter.projection); + } + node.appendChild(child); + return node; + }, + + + CLASS_NAME: "OpenLayers.Format.Filter.v1_0_0" + +});