Adding jquery, flot and openlayers to be included with the GEM.v0.0.4

1 files changed, 296 insertions, 0 deletions

diff --git a/misc/openlayers/lib/OpenLayers/Format/WMSGetFeatureInfo.js b/misc/openlayers/lib/OpenLayers/Format/WMSGetFeatureInfo.js
new file mode 100644
index 0000000..57eb219
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Format/WMSGetFeatureInfo.js
@@ -0,0 +1,296 @@
+/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
+ * full list of contributors). Published under the 2-clause BSD license.
+ * See license.txt in the OpenLayers distribution or repository for the
+ * full text of the license. */
+
+/**
+ * @requires OpenLayers/Format/XML.js
+ */
+
+/**
+ * Class: OpenLayers.Format.WMSGetFeatureInfo
+ * Class to read GetFeatureInfo responses from Web Mapping Services
+ *
+ * Inherits from:
+ *  - <OpenLayers.Format.XML>
+ */
+OpenLayers.Format.WMSGetFeatureInfo = OpenLayers.Class(OpenLayers.Format.XML, {
+
+    /**
+     * APIProperty: layerIdentifier
+     * {String} All xml nodes containing this search criteria will populate an
+     *     internal array of layer nodes.
+     */ 
+    layerIdentifier: '_layer',
+
+    /**
+     * APIProperty: featureIdentifier
+     * {String} All xml nodes containing this search criteria will populate an 
+     *     internal array of feature nodes for each layer node found.
+     */
+    featureIdentifier: '_feature',
+
+    /**
+     * Property: regExes
+     * Compiled regular expressions for manipulating strings.
+     */
+    regExes: {
+        trimSpace: (/^\s*|\s*$/g),
+        removeSpace: (/\s*/g),
+        splitSpace: (/\s+/),
+        trimComma: (/\s*,\s*/g)
+    },
+
+    /**
+     * Property: gmlFormat
+     * {<OpenLayers.Format.GML>} internal GML format for parsing geometries
+     *     in msGMLOutput
+     */
+    gmlFormat: null,
+
+    /**
+     * Constructor: OpenLayers.Format.WMSGetFeatureInfo
+     * Create a new parser for WMS GetFeatureInfo responses
+     *
+     * Parameters:
+     * options - {Object} An optional object whose properties will be set on
+     *     this instance.
+     */
+
+    /**
+     * APIMethod: read
+     * Read WMS GetFeatureInfo data from a string, and return an array of features
+     *
+     * Parameters:
+     * data - {String} or {DOMElement} data to read/parse.
+     *
+     * Returns:
+     * {Array(<OpenLayers.Feature.Vector>)} An array of features.
+     */
+    read: function(data) {
+        var result;
+        if(typeof data == "string") {
+            data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
+        }
+        var root = data.documentElement;
+        if(root) {
+            var scope = this;
+            var read = this["read_" + root.nodeName];
+            if(read) {
+                result = read.call(this, root);
+            } else {
+                // fall-back to GML since this is a common output format for WMS
+                // GetFeatureInfo responses
+                result = new OpenLayers.Format.GML((this.options ? this.options : {})).read(data);
+            }
+        } else {
+            result = data;
+        }
+        return result;
+    },
+    
+    
+    /**
+     * Method: read_msGMLOutput
+     * Parse msGMLOutput nodes.
+     *
+     * Parameters:
+     * data - {DOMElement}
+     *
+     * Returns:
+     * {Array}
+     */
+    read_msGMLOutput: function(data) {
+        var response = [];
+        var layerNodes = this.getSiblingNodesByTagCriteria(data,
+            this.layerIdentifier);
+        if (layerNodes) {
+            for (var i=0, len=layerNodes.length; i<len; ++i) {
+                var node = layerNodes[i];
+                var layerName = node.nodeName;
+                if (node.prefix) {
+                    layerName = layerName.split(':')[1];
+                }
+                var layerName = layerName.replace(this.layerIdentifier, '');
+                var featureNodes = this.getSiblingNodesByTagCriteria(node, 
+                    this.featureIdentifier);
+                if (featureNodes) {
+                    for (var j = 0; j < featureNodes.length; j++) {
+                        var featureNode = featureNodes[j];
+                        var geomInfo = this.parseGeometry(featureNode);
+                        var attributes = this.parseAttributes(featureNode);
+                        var feature = new OpenLayers.Feature.Vector(geomInfo.geometry, 
+                            attributes, null);
+                        feature.bounds = geomInfo.bounds;
+                        feature.type = layerName;
+                        response.push(feature);
+                    }
+                }
+            }
+        }
+        return response;
+    },
+    
+    /**
+     * Method: read_FeatureInfoResponse
+     * Parse FeatureInfoResponse nodes.
+     *
+     * Parameters:
+     * data - {DOMElement}
+     *
+     * Returns:
+     * {Array}
+     */
+    read_FeatureInfoResponse: function(data) {
+        var response = [];
+        var featureNodes = this.getElementsByTagNameNS(data, '*',
+            'FIELDS');
+
+        for(var i=0, len=featureNodes.length;i<len;i++) {
+            var featureNode = featureNodes[i];
+            var geom = null;
+
+            // attributes can be actual attributes on the FIELDS tag, 
+            // or FIELD children
+            var attributes = {};
+            var j;
+            var jlen = featureNode.attributes.length;
+            if (jlen > 0) {
+                for(j=0; j<jlen; j++) {
+                    var attribute = featureNode.attributes[j];
+                    attributes[attribute.nodeName] = attribute.nodeValue;
+                }
+            } else {
+                var nodes = featureNode.childNodes;
+                for (j=0, jlen=nodes.length; j<jlen; ++j) {
+                    var node = nodes[j];
+                    if (node.nodeType != 3) {
+                        attributes[node.getAttribute("name")] = 
+                            node.getAttribute("value");
+                    }
+                }
+            }
+
+            response.push(
+                new OpenLayers.Feature.Vector(geom, attributes, null)
+            );
+        }
+        return response;
+    },
+
+    /**
+     * Method: getSiblingNodesByTagCriteria
+     * Recursively searches passed xml node and all it's descendant levels for 
+     *     nodes whose tagName contains the passed search string. This returns an 
+     *     array of all sibling nodes which match the criteria from the highest 
+     *     hierarchial level from which a match is found.
+     * 
+     * Parameters:
+     * node - {DOMElement} An xml node
+     * criteria - {String} Search string which will match some part of a tagName 
+     *                                       
+     * Returns:
+     * Array({DOMElement}) An array of sibling xml nodes
+     */                
+    getSiblingNodesByTagCriteria: function(node, criteria){
+        var nodes = [];
+        var children, tagName, n, matchNodes, child;
+        if (node && node.hasChildNodes()) {
+            children = node.childNodes;
+            n = children.length;
+
+            for(var k=0; k<n; k++){
+                child = children[k];
+                while (child && child.nodeType != 1) {
+                    child = child.nextSibling;
+                    k++;
+                }
+                tagName = (child ? child.nodeName : '');
+                if (tagName.length > 0 && tagName.indexOf(criteria) > -1) {
+                    nodes.push(child);
+                } else {
+                    matchNodes = this.getSiblingNodesByTagCriteria(
+                        child, criteria);
+
+                    if(matchNodes.length > 0){
+                        (nodes.length == 0) ? 
+                            nodes = matchNodes : nodes.push(matchNodes);
+                    }
+                }
+            }
+
+        }
+        return nodes;
+    },
+
+    /**
+     * Method: parseAttributes
+     *
+     * Parameters:
+     * node - {<DOMElement>}
+     *
+     * Returns:
+     * {Object} An attributes object.
+     * 
+     * Notes:
+     * Assumes that attributes are direct child xml nodes of the passed node
+     * and contain only a single text node. 
+     */    
+    parseAttributes: function(node){
+        var attributes = {};
+        if (node.nodeType == 1) {
+            var children = node.childNodes;
+            var n = children.length;
+            for (var i = 0; i < n; ++i) {
+                var child = children[i];
+                if (child.nodeType == 1) {
+                    var grandchildren = child.childNodes;
+                    var name = (child.prefix) ?
+                        child.nodeName.split(":")[1] : child.nodeName;
+                    if (grandchildren.length == 0) {
+                        attributes[name] = null;
+                    } else if (grandchildren.length == 1) {
+                        var grandchild = grandchildren[0];
+                        if (grandchild.nodeType == 3 ||
+                            grandchild.nodeType == 4) {
+                            var value = grandchild.nodeValue.replace(
+                                this.regExes.trimSpace, "");
+                            attributes[name] = value;
+                        }
+                    }
+                }
+            }
+        }
+        return attributes;
+    },
+
+    /**
+     * Method: parseGeometry
+     * Parse the geometry and the feature bounds out of the node using 
+     *     Format.GML
+     *
+     * Parameters:
+     * node - {<DOMElement>}
+     *
+     * Returns:
+     * {Object} An object containing the geometry and the feature bounds
+    */
+    parseGeometry: function(node) {
+        // we need to use the old Format.GML parser since we do not know the 
+        // geometry name
+        if (!this.gmlFormat) {
+            this.gmlFormat = new OpenLayers.Format.GML();
+        }
+        var feature = this.gmlFormat.parseFeature(node);
+        var geometry, bounds = null;
+        if (feature) {
+            geometry = feature.geometry && feature.geometry.clone();
+            bounds = feature.bounds && feature.bounds.clone();
+            feature.destroy();
+        }
+        return {geometry: geometry, bounds: bounds};
+    },
+
+    CLASS_NAME: "OpenLayers.Format.WMSGetFeatureInfo"
+    
+});