Merge vector-2.4 branch back to trunk.

svn merge sandbox/vector-2.4/@2307 sandbox/vector-2.4/@HEAD trunk/openlayers/ git-svn-id: http://svn.openlayers.org/trunk/openlayers@2803 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-03-16 13:23:56 +00:00
parent 8b9d974dc2
commit 3ca974acec
159 changed files with 10193 additions and 343 deletions
@@ -0,0 +1,156 @@
+/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
+ * See http://svn.openlayers.org/trunk/openlayers/repository-license.txt 
+ * for the full text of the license. */
+
+/**
+ * Read/WRite WFS. 
+ * @requires OpenLayers/Format/GML.js
+ */
+OpenLayers.Format.WFS = OpenLayers.Class.create();
+OpenLayers.Format.WFS.prototype = 
+  OpenLayers.Class.inherit( OpenLayers.Format.GML, {
+    
+    layer: null,
+    
+    wfsns: "http://www.opengis.net/wfs",
+    
+    /*
+     * Create a WFS-T formatter. This requires a layer: that layer should
+     * have two properties: geometry_column and typename. The parser
+     * for this format is subclassed entirely from GML: There is a writer 
+     * only, which uses most of the code from the GML layer, and wraps
+     * it in transactional elements.
+     * @param {Object} options 
+     * @param OpenLayers.Layer layer
+     */
+    
+    initialize: function(options, layer) {
+        OpenLayers.Format.GML.prototype.initialize.apply(this, arguments);
+        this.layer = layer;
+        if (this.layer.featureNS) {
+            this.featureNS = this.layer.featureNS;
+        }    
+        if (this.layer.options.geometry_column) {
+            this.geometryName = this.layer.options.geometry_column;
+        }
+        if (this.layer.options.typename) {
+            this.featureName = this.layer.options.typename;
+        }
+    },
+    
+    /**
+     * write 
+     * Takes a feature list, and generates a WFS-T Transaction 
+     *
+     * @param Array 
+     */
+    write: function(features) {
+        
+        var transaction = document.createElementNS('http://www.opengis.net/wfs', 'wfs:Transaction');
+        for (var i=0; i < features.length; i++) {
+            switch (features[i].state) {
+                case OpenLayers.State.INSERT:
+                    transaction.appendChild(this.insert(features[i]));
+                    break;
+                case OpenLayers.State.UPDATE:
+                    transaction.appendChild(this.update(features[i]));
+                    break;
+                case OpenLayers.State.DELETE:
+                    transaction.appendChild(this.remove(features[i]));
+                    break;
+            }
+        }
+        return transaction;
+    },
+    
+    createFeatureXML: function(feature) {
+        var geometryNode = this.buildGeometryNode(feature.geometry);
+        var geomContainer = document.createElementNS(this.featureNS, "feature:" + this.geometryName);
+        geomContainer.appendChild(geometryNode);
+        var featureContainer = document.createElementNS(this.featureNS, "feature:" + this.featureName);
+        featureContainer.appendChild(geomContainer);
+        for(var attr in feature.attributes) {
+            var attrText = document.createTextNode(feature.attributes[attr]); 
+            var nodename = attr;
+            if (attr.search(":") != -1) {
+                nodename = attr.split(":")[1];
+            }    
+            var attrContainer = document.createElementNS(this.featureNS, "feature:" + nodename);
+            attrContainer.appendChild(attrText);
+            featureContainer.appendChild(attrContainer);
+        }    
+        return featureContainer;
+    },
+    
+    /**
+     * insert 
+     * Takes a feature, and generates a WFS-T Transaction "Insert" 
+     *
+     * @param OpenLayers.Feature.Vector
+     */
+    insert: function(feature) {
+        var insertNode = document.createElementNS(this.wfsns, 'wfs:Insert');
+        insertNode.appendChild(this.createFeatureXML(feature));
+        return insertNode;
+    },
+    
+    /**
+     * update
+     * Takes a feature, and generates a WFS-T Transaction "Update" 
+     *
+     * @param OpenLayers.Feature.Vector
+     */
+    update: function(feature) {
+        if (!feature.fid) { alert("Can't update a feature for which there is no FID."); }
+        var updateNode = document.createElementNS(this.wfsns, 'wfs:Update');
+        updateNode.setAttribute("typeName", this.layerName);
+
+        var propertyNode = document.createElementNS(this.wfsns, 'wfs:Property');
+        var nameNode = document.createElementNS('http://www.opengis.net/wfs', 'wfs:Name');
+        
+        var txtNode = document.createTextNode(this.geometryName);
+        nameNode.appendChild(txtNode);
+        propertyNode.appendChild(nameNode);
+        
+        var valueNode = document.createElementNS('http://www.opengis.net/wfs', 'wfs:Value');
+        valueNode.appendChild(this.buildGeometryNode(feature.geometry));
+        
+        propertyNode.appendChild(valueNode);
+        updateNode.appendChild(propertyNode);
+        
+        var filterNode = document.createElementNS('http://www.opengis.net/ogc', 'ogc:Filter');
+        var filterIdNode = document.createElementNS('http://www.opengis.net/ogc', 'ogc:FeatureId');
+        filterIdNode.setAttribute("fid", feature.fid);
+        filterNode.appendChild(filterIdNode);
+        updateNode.appendChild(filterNode);
+
+        return updateNode;
+    },
+    
+    /**
+     * delete
+     * Takes a feature, and generates a WFS-T Transaction "Delete" 
+     *
+     * @param OpenLayers.Feature.Vector
+     */
+    remove: function(feature) {
+        if (!feature.attributes.fid) { 
+            alert("Can't update a feature for which there is no FID."); 
+            return false; 
+        }
+        var deleteNode = document.createElementNS(this.featureNS, 'wfs:Delete');
+        deleteNode.setAttribute("typeName", this.layerName);
+
+        var filterNode = document.createElementNS('http://www.opengis.net/ogc', 'ogc:Filter');
+        var filterIdNode = document.createElementNS('http://www.opengis.net/ogc', 'ogc:FeatureId');
+        filterIdNode.setAttribute("fid", feature.attributes.fid);
+        filterNode.appendChild(filterIdNode);
+        deleteNode.appendChild(filterNode);
+
+        return deleteNode;
+    },
+
+    destroy: function() {
+        this.layer = null;
+    }
+});