1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/* 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/GML.js
* @requires OpenLayers/Console.js
* @requires OpenLayers/Lang.js
*/
/**
* Class: OpenLayers.Format.WFS
* Read/Write WFS.
*
* Inherits from:
* - <OpenLayers.Format.GML>
*/
OpenLayers.Format.WFS = OpenLayers.Class(OpenLayers.Format.GML, {
/**
* Property: layer
* {<OpenLayers.Layer>}
*/
layer: null,
/**
* APIProperty: wfsns
* {String}
*/
wfsns: "http://www.opengis.net/wfs",
/**
* Property: ogcns
* {String}
*/
ogcns: "http://www.opengis.net/ogc",
/**
* Constructor: OpenLayers.Format.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.
*
* Parameters:
* options - {Object}
* layer - {<OpenLayers.Layer>}
*/
initialize: function(options, layer) {
OpenLayers.Format.GML.prototype.initialize.apply(this, [options]);
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;
}
},
/**
* Method: write
* Takes a feature list, and generates a WFS-T Transaction
*
* Parameters:
* features - {Array(<OpenLayers.Feature.Vector>)}
*/
write: function(features) {
var transaction = this.createElementNS(this.wfsns, 'wfs:Transaction');
transaction.setAttribute("version","1.0.0");
transaction.setAttribute("service","WFS");
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 OpenLayers.Format.XML.prototype.write.apply(this,[transaction]);
},
/**
* Method: createFeatureXML
*
* Parameters:
* feature - {<OpenLayers.Feature.Vector>}
*/
createFeatureXML: function(feature) {
var geometryNode = this.buildGeometryNode(feature.geometry);
var geomContainer = this.createElementNS(this.featureNS, "feature:" + this.geometryName);
geomContainer.appendChild(geometryNode);
var featureContainer = this.createElementNS(this.featureNS, "feature:" + this.featureName);
featureContainer.appendChild(geomContainer);
for(var attr in feature.attributes) {
var attrText = this.createTextNode(feature.attributes[attr]);
var nodename = attr;
if (attr.search(":") != -1) {
nodename = attr.split(":")[1];
}
var attrContainer = this.createElementNS(this.featureNS, "feature:" + nodename);
attrContainer.appendChild(attrText);
featureContainer.appendChild(attrContainer);
}
return featureContainer;
},
/**
* Method: insert
* Takes a feature, and generates a WFS-T Transaction "Insert"
*
* Parameters:
* feature - {<OpenLayers.Feature.Vector>}
*/
insert: function(feature) {
var insertNode = this.createElementNS(this.wfsns, 'wfs:Insert');
insertNode.appendChild(this.createFeatureXML(feature));
return insertNode;
},
/**
* Method: update
* Takes a feature, and generates a WFS-T Transaction "Update"
*
* Parameters:
* feature - {<OpenLayers.Feature.Vector>}
*/
update: function(feature) {
if (!feature.fid) { OpenLayers.Console.userError(OpenLayers.i18n("noFID")); }
var updateNode = this.createElementNS(this.wfsns, 'wfs:Update');
updateNode.setAttribute("typeName", this.featurePrefix + ':' + this.featureName);
updateNode.setAttribute("xmlns:" + this.featurePrefix, this.featureNS);
var propertyNode = this.createElementNS(this.wfsns, 'wfs:Property');
var nameNode = this.createElementNS(this.wfsns, 'wfs:Name');
var txtNode = this.createTextNode(this.geometryName);
nameNode.appendChild(txtNode);
propertyNode.appendChild(nameNode);
var valueNode = this.createElementNS(this.wfsns, 'wfs:Value');
var geometryNode = this.buildGeometryNode(feature.geometry);
if(feature.layer){
geometryNode.setAttribute(
"srsName", feature.layer.projection.getCode()
);
}
valueNode.appendChild(geometryNode);
propertyNode.appendChild(valueNode);
updateNode.appendChild(propertyNode);
// add in attributes
for(var propName in feature.attributes) {
propertyNode = this.createElementNS(this.wfsns, 'wfs:Property');
nameNode = this.createElementNS(this.wfsns, 'wfs:Name');
nameNode.appendChild(this.createTextNode(propName));
propertyNode.appendChild(nameNode);
valueNode = this.createElementNS(this.wfsns, 'wfs:Value');
valueNode.appendChild(this.createTextNode(feature.attributes[propName]));
propertyNode.appendChild(valueNode);
updateNode.appendChild(propertyNode);
}
var filterNode = this.createElementNS(this.ogcns, 'ogc:Filter');
var filterIdNode = this.createElementNS(this.ogcns, 'ogc:FeatureId');
filterIdNode.setAttribute("fid", feature.fid);
filterNode.appendChild(filterIdNode);
updateNode.appendChild(filterNode);
return updateNode;
},
/**
* Method: remove
* Takes a feature, and generates a WFS-T Transaction "Delete"
*
* Parameters:
* feature - {<OpenLayers.Feature.Vector>}
*/
remove: function(feature) {
if (!feature.fid) {
OpenLayers.Console.userError(OpenLayers.i18n("noFID"));
return false;
}
var deleteNode = this.createElementNS(this.wfsns, 'wfs:Delete');
deleteNode.setAttribute("typeName", this.featurePrefix + ':' + this.featureName);
deleteNode.setAttribute("xmlns:" + this.featurePrefix, this.featureNS);
var filterNode = this.createElementNS(this.ogcns, 'ogc:Filter');
var filterIdNode = this.createElementNS(this.ogcns, 'ogc:FeatureId');
filterIdNode.setAttribute("fid", feature.fid);
filterNode.appendChild(filterIdNode);
deleteNode.appendChild(filterNode);
return deleteNode;
},
/**
* APIMethod: destroy
* Remove ciruclar ref to layer
*/
destroy: function() {
this.layer = null;
},
CLASS_NAME: "OpenLayers.Format.WFS"
});
|
