|
1
|
/*
|
|
2
|
License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
|
|
3
|
$Id: OwsContext.js 3887 2008-02-27 18:18:53Z ahocevar $
|
|
4
|
*/
|
|
5
|
|
|
6
|
// Ensure this object's dependancies are loaded.
|
|
7
|
mapbuilder.loadScript(baseDir+"/model/ModelBase.js");
|
|
8
|
|
|
9
|
/**
|
|
10
|
* Stores an OWS Context document as defined by the OGC interoperability
|
|
11
|
* experiment. This model should be eventually merged with the standard OGC
|
|
12
|
* context doc.
|
|
13
|
* Listeners supported by this model:
|
|
14
|
* "refresh" called when window parameters (width/height, bbox) are changed
|
|
15
|
* "hidden" called when visibilty of a layer is changed
|
|
16
|
* "wfs_getFeature" called when feature resources are loaded
|
|
17
|
*
|
|
18
|
* @constructor
|
|
19
|
* @base ModelBase
|
|
20
|
* @author Mike Adair
|
|
21
|
* @requires Sarissa
|
|
22
|
*
|
|
23
|
*/
|
|
24
|
function OwsContext(modelNode, parent) {
|
|
25
|
// Inherit the ModelBase functions and parameters
|
|
26
|
ModelBase.apply(this, new Array(modelNode, parent));
|
|
27
|
|
|
28
|
// MAP-186
|
|
29
|
this.namespace = this.namespace ? this.namespace.replace(/\"/g, "'")+" " : '';
|
|
30
|
this.namespace = this.namespace + "xmlns:wmc='http://www.opengis.net/context' xmlns:ows='http://www.opengis.net/ows' xmlns:ogc='http://www.opengis.net/ogc' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:gml='http://www.opengis.net/gml' xmlns:wfs='http://www.opengis.net/wfs' xmlns:sld='http://www.opengis.net/sld'";
|
|
31
|
|
|
32
|
/**
|
|
33
|
* Change a Layer's visibility.
|
|
34
|
* @param layerId The name of the layer that is to be changed
|
|
35
|
* @param hidden String with the value to be set; 1=hidden, 0=visible.
|
|
36
|
*/
|
|
37
|
this.setHidden=function(layerId, hidden){
|
|
38
|
// Set the hidden attribute in the Context
|
|
39
|
var hiddenValue = "0";
|
|
40
|
if (hidden) hiddenValue = "1";
|
|
41
|
|
|
42
|
var layer=this.getLayer(layerId);
|
|
43
|
if (layer) layer.setAttribute("hidden", hiddenValue);
|
|
44
|
// Call the listeners
|
|
45
|
this.callListeners("hidden", layerId);
|
|
46
|
}
|
|
47
|
|
|
48
|
/**
|
|
49
|
* Get the layer's visiblity attribute value.
|
|
50
|
* @param layerId The name of the layer that is to be changed
|
|
51
|
* @return hidden String with the value; 1=hidden, 0=visible.
|
|
52
|
*/
|
|
53
|
this.getHidden=function(layerId){
|
|
54
|
var hidden=1;
|
|
55
|
var layer=this.getFeatureNode(layerId)
|
|
56
|
if (layer) hidden = layer.getAttribute("hidden");
|
|
57
|
return hidden;
|
|
58
|
}
|
|
59
|
|
|
60
|
/**
|
|
61
|
* Get the BoundingBox value from the Context document.
|
|
62
|
* @return BoundingBox array with the sequence (xmin,ymin,xmax,ymax).
|
|
63
|
*/
|
|
64
|
this.getBoundingBox=function() {
|
|
65
|
var bbox = new Array();
|
|
66
|
// Extract BoundingBox from the context
|
|
67
|
var lowerLeft=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:LowerCorner");
|
|
68
|
var upperRight=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:UpperCorner");
|
|
69
|
var strBbox = new String(getNodeValue(lowerLeft) + " " + getNodeValue(upperRight)).split(" ");
|
|
70
|
for (i=0; i<strBbox.length; ++i) {
|
|
71
|
bbox[i] = parseFloat(strBbox[i]);
|
|
72
|
}
|
|
73
|
return bbox;
|
|
74
|
}
|
|
75
|
|
|
76
|
/**
|
|
77
|
* Set the BoundingBox element and call the refresh listeners
|
|
78
|
* @param boundingBox array in the sequence (xmin, ymin, xmax, ymax).
|
|
79
|
*/
|
|
80
|
this.setBoundingBox=function(boundingBox) {
|
|
81
|
// Set BoundingBox in context
|
|
82
|
var lowerLeft=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:LowerCorner");
|
|
83
|
lowerLeft.firstChild.nodeValue = boundingBox[0] + " " + boundingBox[1];
|
|
84
|
var upperRight=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox/ows:UpperCorner");
|
|
85
|
upperRight.firstChild.nodeValue = boundingBox[2] + " " + boundingBox[3];
|
|
86
|
// Call the listeners
|
|
87
|
this.callListeners("bbox", boundingBox);
|
|
88
|
}
|
|
89
|
|
|
90
|
/**
|
|
91
|
* Set the BoundingBox element and call the refresh listeners
|
|
92
|
* @param boundingBox array in the sequence (xmin, ymin, xmax, ymax).
|
|
93
|
*/
|
|
94
|
this.initBbox=function(objRef) {
|
|
95
|
// Set BoundingBox in context from URL CGI params
|
|
96
|
if (window.cgiArgs["bbox"]) { //set as minx,miny,maxx,maxy
|
|
97
|
var bbox = window.cgiArgs["bbox"].split(',');
|
|
98
|
objRef.setBoundingBox(bbox);
|
|
99
|
}
|
|
100
|
}
|
|
101
|
this.addListener( "loadModel", this.initBbox, this );
|
|
102
|
//this.addListener( "contextLoaded", this.initBbox, this );
|
|
103
|
|
|
104
|
/**
|
|
105
|
* Set the aoi param and call the refresh listeners
|
|
106
|
* @param boundingBox array in the sequence (xmin, ymin, xmax, ymax).
|
|
107
|
*/
|
|
108
|
this.initAoi=function(objRef) {
|
|
109
|
// Set AOI of context from URL CGI params
|
|
110
|
if (window.cgiArgs["aoi"]) { //set as ul,lr point arrays
|
|
111
|
var aoi = window.cgiArgs["aoi"].split(',');
|
|
112
|
objRef.setParam("aoi",new Array(new Array(aoi[0],aoi[3]),new Array(aoi[2],aoi[1])));
|
|
113
|
}
|
|
114
|
}
|
|
115
|
this.addListener( "loadModel", this.initAoi, this );
|
|
116
|
//MA this.addListener( "contextLoaded", this.initAoi, this );
|
|
117
|
|
|
118
|
/**
|
|
119
|
* Set the Spatial Reference System for the context document.
|
|
120
|
* @param srs The Spatial Reference System.
|
|
121
|
*/
|
|
122
|
this.setSRS=function(srs) {
|
|
123
|
var bbox=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox");
|
|
124
|
bbox.setAttribute("crs",srs);
|
|
125
|
this.callListeners("srs");
|
|
126
|
}
|
|
127
|
|
|
128
|
/**
|
|
129
|
* Get the Spatial Reference System from the context document.
|
|
130
|
* @return srs The Spatial Reference System.
|
|
131
|
*/
|
|
132
|
this.getSRS=function() {
|
|
133
|
var bbox=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/ows:BoundingBox");
|
|
134
|
srs=bbox.getAttribute("crs");
|
|
135
|
srs = srs ? srs : 'EPSG:4326';
|
|
136
|
return srs;
|
|
137
|
}
|
|
138
|
|
|
139
|
/**
|
|
140
|
* Get the Projection object from the context document.
|
|
141
|
* @return Proj Object of The Spatial Reference System.
|
|
142
|
*/
|
|
143
|
this.initProj=function(objRef) {
|
|
144
|
objRef.proj=new OpenLayers.Projection(objRef.getSRS());
|
|
145
|
}
|
|
146
|
this.addFirstListener( "loadModel", this.initProj, this );
|
|
147
|
|
|
148
|
/**
|
|
149
|
* Get the Window width.
|
|
150
|
* @return width The width of map window from the context document
|
|
151
|
*/
|
|
152
|
this.getWindowWidth=function() {
|
|
153
|
var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
|
|
154
|
return win.getAttribute("width");
|
|
155
|
}
|
|
156
|
|
|
157
|
/**
|
|
158
|
* Set the Window width.
|
|
159
|
* @param width The width of map window to set in the context document
|
|
160
|
*/
|
|
161
|
this.setWindowWidth=function(width) {
|
|
162
|
var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
|
|
163
|
win.setAttribute("width", width);
|
|
164
|
this.callListeners("resize");
|
|
165
|
}
|
|
166
|
|
|
167
|
/**
|
|
168
|
* Get the Window height.
|
|
169
|
* @return height The height of map window from the context document.
|
|
170
|
*/
|
|
171
|
this.getWindowHeight=function() {
|
|
172
|
var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
|
|
173
|
return win.getAttribute("height");
|
|
174
|
}
|
|
175
|
|
|
176
|
/**
|
|
177
|
* Set the Window height.
|
|
178
|
* @param height The height of map window to set in the context document
|
|
179
|
*/
|
|
180
|
this.setWindowHeight=function(height) {
|
|
181
|
var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
|
|
182
|
win.setAttribute("height", height);
|
|
183
|
this.callListeners("resize");
|
|
184
|
}
|
|
185
|
|
|
186
|
/**
|
|
187
|
* Returns the width/height of the map window as an array
|
|
188
|
* Added by Andreas Hocevar for compatibility with Context.js
|
|
189
|
*/
|
|
190
|
this.getWindowSize=function() {
|
|
191
|
var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
|
|
192
|
return new Array(win.getAttribute("width"), win.getAttribute("height"));
|
|
193
|
}
|
|
194
|
|
|
195
|
/**
|
|
196
|
* Set the Window width and height in one function call to avoid a resize event in between
|
|
197
|
* setting width and height, because that causes checkBbox to be triggered, which adjusts the
|
|
198
|
* bbox then when it should not yet be adjusted.
|
|
199
|
* Based on setWindowSize by VTS in Context.js
|
|
200
|
* Added by Andreas Hocevar for compatibility with Context.js
|
|
201
|
* @param size Size of the map window as (width, height) array
|
|
202
|
*/
|
|
203
|
this.setWindowSize=function(size) {
|
|
204
|
var win=this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Window");
|
|
205
|
var width = size[0];
|
|
206
|
var height = size[1];
|
|
207
|
win.setAttribute("width", width);
|
|
208
|
win.setAttribute("height", height);
|
|
209
|
this.callListeners("resize");
|
|
210
|
}
|
|
211
|
|
|
212
|
/**
|
|
213
|
* returns a node that has the specified feature name in the context doc
|
|
214
|
* @param featureName Name element value to return
|
|
215
|
* @return the node from the context doc with the specified feature name
|
|
216
|
*/
|
|
217
|
this.getFeatureNode = function(layerId) {
|
|
218
|
if( this.doc ) {
|
|
219
|
|
|
220
|
// Find feature by id
|
|
221
|
var feature = this.doc.selectSingleNode("//wmc:ResourceList/*[@id='"+layerId+"']");
|
|
222
|
|
|
223
|
// Fallback: find feature by name
|
|
224
|
if (feature == null) {
|
|
225
|
feature = this.doc.selectSingleNode("//wmc:ResourceList/*[wmc:Name='"+layerId+"']");
|
|
226
|
}
|
|
227
|
|
|
228
|
if(feature == null ) {
|
|
229
|
alert(mbGetMessage("featureNotFoundOwsContext"));
|
|
230
|
}
|
|
231
|
|
|
232
|
return feature;
|
|
233
|
}
|
|
234
|
}
|
|
235
|
|
|
236
|
/**
|
|
237
|
* Returns the serverUrl for the layer passed in as the feature argument.
|
|
238
|
* @param requestName ignored for context docs (only GetMap supported)
|
|
239
|
* @param method ignored for context docs (only GET supported)
|
|
240
|
* @param feature the node for the feature from the context doc
|
|
241
|
* @return height String URL for the GetMap request
|
|
242
|
*/
|
|
243
|
this.getServerUrl = function(requestName, method, feature) {
|
|
244
|
var service = requestName.split(":");
|
|
245
|
if (service.length > 0) {
|
|
246
|
service = service[0].toUpperCase();
|
|
247
|
}
|
|
248
|
var url = feature.selectSingleNode("wmc:Server[@service='OGC:"+service+"']/wmc:OnlineResource").getAttribute("xlink:href");
|
|
249
|
if (!url) {
|
|
250
|
// fallback to default service
|
|
251
|
url = feature.selectSingleNode("wmc:Server/wmc:OnlineResource").getAttribute("xlink:href");
|
|
252
|
}
|
|
253
|
return url;
|
|
254
|
}
|
|
255
|
|
|
256
|
/**
|
|
257
|
* Returns the WMS version for the layer passed in as the feature argument
|
|
258
|
* @param feature the node for the feature from the context doc
|
|
259
|
* @return the WMS GetMap version for the Layer.
|
|
260
|
*/
|
|
261
|
this.getVersion = function(feature) {
|
|
262
|
return feature.selectSingleNode("wmc:Server").getAttribute("version");
|
|
263
|
}
|
|
264
|
|
|
265
|
/**
|
|
266
|
* Get HTTP method for the specified feature
|
|
267
|
* @param feature the Layer node from the context doc
|
|
268
|
* @return the HTTP method to get the feature with
|
|
269
|
*/
|
|
270
|
this.getMethod = function(feature) {
|
|
271
|
return feature.selectSingleNode("wmc:Server/wmc:OnlineResource").getAttribute("wmc:method");
|
|
272
|
}
|
|
273
|
|
|
274
|
/**
|
|
275
|
* Return the service type of the bottom layer in the layer list.
|
|
276
|
* This is used to match navigation tools with the basemap.
|
|
277
|
*/
|
|
278
|
this.getBaseLayerService=function(){
|
|
279
|
//x=this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[last()]/wmc:Server/@service");
|
|
280
|
x=this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[last()]/wmc:Server");
|
|
281
|
s=x.getAttribute("service");
|
|
282
|
//alert("OwsContext.getBaseLayerService: s="+s);
|
|
283
|
return s;
|
|
284
|
}
|
|
285
|
|
|
286
|
/**
|
|
287
|
* listener method which loads WFS features from the context doc, after WMS
|
|
288
|
* layers are loaded.
|
|
289
|
* @param objRef Pointer to this object.
|
|
290
|
*/
|
|
291
|
this.loadFeatures = function(objRef) {
|
|
292
|
var nodeSelectXpath = objRef.nodeSelectXpath + "/wmc:FeatureType[wmc:Server/@service='OGC:WFS']/wmc:Name";
|
|
293
|
var featureList = objRef.doc.selectNodes(nodeSelectXpath);
|
|
294
|
for (var i=0; i<featureList.length; i++) {
|
|
295
|
var featureName = getNodeValue(featureList[i]);
|
|
296
|
objRef.setParam('wfs_GetFeature',featureName);
|
|
297
|
}
|
|
298
|
|
|
299
|
//this.callListeners("contextLoaded"); //PGC
|
|
300
|
}
|
|
301
|
this.addListener("loadModel", this.loadFeatures, this);
|
|
302
|
|
|
303
|
/**
|
|
304
|
* Listener function which sets stylesheet params for WebServiceRequests
|
|
305
|
* @param objRef pointer to this object
|
|
306
|
* @param featureNodeId the id of the node in the doc to be processed by the stylesheet
|
|
307
|
*/
|
|
308
|
this.setRequestParameters = function(featureName, requestStylesheet) {
|
|
309
|
var feature = this.getFeatureNode(featureName);
|
|
310
|
if (feature.selectSingleNode("ogc:Filter")) {
|
|
311
|
requestStylesheet.setParameter("filter", escape((new XMLSerializer()).serializeToString(feature.selectSingleNode("ogc:Filter"))) );
|
|
312
|
}
|
|
313
|
}
|
|
314
|
//this.addFirstListener("wfs_GetFeature", this.setRequestParameters, this);
|
|
315
|
|
|
316
|
/**
|
|
317
|
* Method to get a list of queryable layers
|
|
318
|
* @return the list with queryable layers
|
|
319
|
*/
|
|
320
|
this.getQueryableLayers = function() {
|
|
321
|
var listNodeArray = this.doc.selectNodes("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[@queryable='1']|/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[@queryable='1']");
|
|
322
|
if (listNodeArray == null) {
|
|
323
|
listNodeArray = this.doc.selectNodes("/wmc:OWSContext/wmc:ResourceList/wmc:Layer|/wmc:OWSContext/wmc:ResourceList/wmc:Layer");
|
|
324
|
}
|
|
325
|
return listNodeArray;
|
|
326
|
}
|
|
327
|
|
|
328
|
/**
|
|
329
|
* Method to get a list of all layers in the context doc
|
|
330
|
* TBD: merge this with above, passing queryable as an optional boolean param?
|
|
331
|
* @TODO Add the other layers
|
|
332
|
* @return the list with all layers
|
|
333
|
*/
|
|
334
|
this.getAllLayers = function() {
|
|
335
|
var listNodeArray = this.doc.selectNodes("//wmc:Layer|//wmc:FeatureType");
|
|
336
|
return listNodeArray;
|
|
337
|
}
|
|
338
|
|
|
339
|
/**
|
|
340
|
* Method to get a layer with the specified id/name in the context doc
|
|
341
|
* @param layerId/layerName the layer to be returned
|
|
342
|
* @return the list with all layers
|
|
343
|
* @TODO check other layers
|
|
344
|
*/
|
|
345
|
this.getLayer = function(layerId) {
|
|
346
|
var layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[@id='"+layerId+"']");
|
|
347
|
if (layer == null) {
|
|
348
|
layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[@id='"+layerId+"']");
|
|
349
|
}
|
|
350
|
if (layer == null) {
|
|
351
|
layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:Layer[wmc:Name='"+layerId+"']");
|
|
352
|
}
|
|
353
|
if (layer == null) {
|
|
354
|
layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:FeatureType[wmc:Name='"+layerId+"']");
|
|
355
|
}
|
|
356
|
if( layer == null ) {
|
|
357
|
layer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/wmc:RssLayer[@id='"+layerId+"']");
|
|
358
|
}
|
|
359
|
//TBD: add in time stamp
|
|
360
|
return layer;
|
|
361
|
}
|
|
362
|
|
|
363
|
/**
|
|
364
|
* Method to get a layer id with the specified id/name in the context doc
|
|
365
|
* @param layerName the name of the layer of which the id is to be returned
|
|
366
|
* @return the id of the layer || false
|
|
367
|
*/
|
|
368
|
this.getLayerIdByName = function(layerName) {
|
|
369
|
var layer = this.getLayer(layerName);
|
|
370
|
var id;
|
|
371
|
if (layer) {
|
|
372
|
id = layer.getAttribute("id");
|
|
373
|
}
|
|
374
|
|
|
375
|
return id || false;
|
|
376
|
}
|
|
377
|
|
|
378
|
|
|
379
|
/**
|
|
380
|
* Method to add a Layer to the LayerList
|
|
381
|
* @param layerNode the Layer node from another context doc or capabiltiies doc
|
|
382
|
*/
|
|
383
|
this.addLayer = function(objRef, layerNode) {
|
|
384
|
if( objRef.doc != null ) {
|
|
385
|
var parentNode = objRef.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList");
|
|
386
|
|
|
387
|
// Generate layer id if layer doesn't have an id
|
|
388
|
var randomNumber = Math.round(10000 * Math.random());
|
|
389
|
id = Mapbuilder.getProperty(layerNode, "wmc:Name") + "_" + randomNumber;
|
|
390
|
layerNode.setAttribute("id", id);
|
|
391
|
|
|
392
|
// check if that node does not alreayd exist, replace it (query may have changed)
|
|
393
|
var id = layerNode.getAttribute("id");
|
|
394
|
var str = "/wmc:OWSContext/wmc:ResourceList/"+layerNode.nodeName+"[@id='"+id+"']";
|
|
395
|
var node = objRef.doc.selectSingleNode(str);
|
|
396
|
if( node != null ) {
|
|
397
|
parentNode.removeChild(node);
|
|
398
|
}
|
|
399
|
|
|
400
|
parentNode.appendChild(layerNode);
|
|
401
|
objRef.modified = true;
|
|
402
|
if (this.debug) {
|
|
403
|
mbDebugMessage( "Adding layer:"+(new XMLSerializer()).serializeToString( layerNode ) );
|
|
404
|
}
|
|
405
|
} else {
|
|
406
|
alert(mbGetMessage("nullOwsContext"));
|
|
407
|
}
|
|
408
|
//objRef.callListeners("refresh");
|
|
409
|
}
|
|
410
|
this.addFirstListener( "addLayer", this.addLayer, this );
|
|
411
|
|
|
412
|
/**
|
|
413
|
* Method to get the baselayer
|
|
414
|
* @return the baseLayer
|
|
415
|
* @TODO check for other baselayers
|
|
416
|
*/
|
|
417
|
this.getBaseLayer = function() {
|
|
418
|
var baseLayer = this.doc.selectSingleNode("/wmc:OWSContext/wmc:ResourceList/ows:BaseLayer");
|
|
419
|
return baseLayer;
|
|
420
|
}
|
|
421
|
|
|
422
|
/**
|
|
423
|
* Method to add a Sld to the StyleList
|
|
424
|
* @param layerName the Layer name from another context doc or capabiltiies doc
|
|
425
|
* TBD: make sure this will work again using layerId instead of layerName
|
|
426
|
*/
|
|
427
|
this.addSLD = function(objRef,sldNode) {
|
|
428
|
// alert("context addSLD : "+objRef.id);
|
|
429
|
var layerName=Mapbuilder.getProperty(sldNode, "//Name");
|
|
430
|
var parentNode = objRef.doc.selectSingleNode("//wmc:Layer[wmc:Name='"+layerName+"']");
|
|
431
|
parentNode.appendChild(sldNode.cloneNode(true));
|
|
432
|
|
|
433
|
objRef.modified = true;
|
|
434
|
var attribs=[];
|
|
435
|
attribs["sld_body"]=(new XMLSerializer()).serializeToString(objRef.doc.selectSingleNode("//wmc:Layer[wmc:Name='"+layerName+"']/wmc:StyleList/wmc:Style/wmc:SLD/wmc:StyledLayerDescriptor"));
|
|
436
|
objRef.map.mbMapPane.refreshLayer(objRef.map.mbMapPane,layerName,attribs);
|
|
437
|
}
|
|
438
|
this.addFirstListener( "addSLD", this.addSLD, this );
|
|
439
|
|
|
440
|
/**
|
|
441
|
* Method to remove a Layer from the LayerList
|
|
442
|
* @param layerId the Layer to be deleted
|
|
443
|
*/
|
|
444
|
this.deleteLayer = function(objRef, layerId) {
|
|
445
|
var deletedNode = objRef.getLayer(layerId);
|
|
446
|
if (!deletedNode) {
|
|
447
|
alert(mbGetMessage("nodeNotFound", layerId));
|
|
448
|
return;
|
|
449
|
}
|
|
450
|
deletedNode.parentNode.removeChild(deletedNode);
|
|
451
|
objRef.modified = true;
|
|
452
|
}
|
|
453
|
this.addFirstListener( "deleteLayer", this.deleteLayer, this );
|
|
454
|
|
|
455
|
/**
|
|
456
|
* Method to move a Layer in the LayerList up
|
|
457
|
* @param layerId the layer to be moved
|
|
458
|
*/
|
|
459
|
this.moveLayerUp = function(objRef, layerId) {
|
|
460
|
var movedNode = objRef.getLayer(layerId);
|
|
461
|
var sibNode = movedNode.selectSingleNode("following-sibling::*");
|
|
462
|
if (!sibNode) {
|
|
463
|
alert(mbGetMessage("cantMoveUp", layerId));
|
|
464
|
return;
|
|
465
|
}
|
|
466
|
movedNode.parentNode.insertBefore(sibNode,movedNode);
|
|
467
|
objRef.modified = true;
|
|
468
|
}
|
|
469
|
this.addFirstListener( "moveLayerUp", this.moveLayerUp, this );
|
|
470
|
|
|
471
|
/**
|
|
472
|
* Method to move a Layer in the LayerList down
|
|
473
|
* @param layerId the layer to be moved
|
|
474
|
*/
|
|
475
|
this.moveLayerDown = function(objRef, layerId) {
|
|
476
|
var movedNode = objRef.getLayer(layerId);
|
|
477
|
var listNodeArray = movedNode.selectNodes("preceding-sibling::*"); //preceding-sibling axis contains all previous siblings
|
|
478
|
var sibNode = listNodeArray[listNodeArray.length-1];
|
|
479
|
if (!sibNode) {
|
|
480
|
alert(mbGetMessage("cantMoveDown", layerId));
|
|
481
|
return;
|
|
482
|
}
|
|
483
|
movedNode.parentNode.insertBefore(movedNode,sibNode);
|
|
484
|
objRef.modified = true;
|
|
485
|
}
|
|
486
|
this.addFirstListener( "moveLayerDown", this.moveLayerDown, this );
|
|
487
|
|
|
488
|
/**
|
|
489
|
* Adds a node to the Context document extension element. The extension element
|
|
490
|
* will be created if it doesn't already exist.
|
|
491
|
* @param extensionNode the node to be appended in the extension element.
|
|
492
|
* @return the ndoe added to the extension element
|
|
493
|
*/
|
|
494
|
this.setExtension = function(extensionNode) {
|
|
495
|
var extension = this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Extension");
|
|
496
|
if (!extension) {
|
|
497
|
var general = this.doc.selectSingleNode("/wmc:OWSContext/wmc:General");
|
|
498
|
var newChild = createElementWithNS(this.doc,"Extension",'http://www.opengis.net/context');
|
|
499
|
extension = general.appendChild(newChild);
|
|
500
|
}
|
|
501
|
return extension.appendChild(extensionNode);
|
|
502
|
}
|
|
503
|
|
|
504
|
/**
|
|
505
|
* Returns the contents of the extension element
|
|
506
|
* @return the contents of the extension element
|
|
507
|
*/
|
|
508
|
this.getExtension = function() {
|
|
509
|
return this.doc.selectSingleNode("/wmc:OWSContext/wmc:General/wmc:Extension");
|
|
510
|
}
|
|
511
|
|
|
512
|
// PL -BRGM
|
|
513
|
/**
|
|
514
|
* Change a Layer's opacity
|
|
515
|
* @param layerId The name of the layer that is to be changed
|
|
516
|
* @param Opacity Value of the opacity
|
|
517
|
*/
|
|
518
|
this.setOpacity=function(layerId, Opacity){
|
|
519
|
// Set the hidden attribute in the Context
|
|
520
|
var layer = this.getLayer(layerId);
|
|
521
|
if (layer) layer.setAttribute("opacity", Opacity);
|
|
522
|
// Call the listeners
|
|
523
|
this.callListeners("opacity", layerId);
|
|
524
|
}
|
|
525
|
|
|
526
|
/**
|
|
527
|
* Get the layer's opacity attribute value.
|
|
528
|
* @param layerId The name of the layer that is to be changed
|
|
529
|
* @return hidden String with the value; 1=hidden, 0=visible.
|
|
530
|
*/
|
|
531
|
this.getOpacity=function(layerId){
|
|
532
|
var opacity=1;
|
|
533
|
var layer = this.getLayer(layerId);
|
|
534
|
if (layer) opacity = layer.getAttribute("opacity");
|
|
535
|
return opacity;
|
|
536
|
}
|
|
537
|
// PL -END
|
|
538
|
|
|
539
|
/**
|
|
540
|
* Parses a Dimension element from the Context document as a loadModel listener.
|
|
541
|
* This results in an XML structure with one element for each GetMap time value
|
|
542
|
* parameter and added to the Context extrension element.
|
|
543
|
* @param objRef a pointer to this object
|
|
544
|
*/
|
|
545
|
this.initTimeExtent = function( objRef ) {
|
|
546
|
//only the first one selected is used as the timestamp source
|
|
547
|
//var extentNode = objRef.doc.selectSingleNode("//wmc:Layer/wmc:Dimension[@name='time']");
|
|
548
|
//TBD: how to deal with multiple time dimensions in one context doc, or caps doc?
|
|
549
|
var timeNodes = objRef.doc.selectNodes("//wmc:Dimension[@name='time']");
|
|
550
|
for (var i=0; i<timeNodes.length; ++i) {
|
|
551
|
var extentNode = timeNodes[i];
|
|
552
|
objRef.timestampList = createElementWithNS(objRef.doc,"TimestampList",mbNsUrl);
|
|
553
|
var layerId;
|
|
554
|
var layerNode = extentNode.parentNode.parentNode;
|
|
555
|
if (layerNode.selectSingleNode("@id")) {
|
|
556
|
layerId = Mapbuilder.getProperty(layerNode, "@id");
|
|
557
|
} else {
|
|
558
|
layerId =Mapbuilder.getProperty(layerNode, "wmc:Name");
|
|
559
|
}
|
|
560
|
objRef.timestampList.setAttribute("layerId", layerId);
|
|
561
|
//alert("found time dimension, extent:"+getNodeValue(extentNode));
|
|
562
|
var times = getNodeValue(extentNode).split(","); //comma separated list of arguments
|
|
563
|
for (var j=0; j<times.length; ++j) {
|
|
564
|
var params = times[j].split("/"); // parses start/end/period
|
|
565
|
if (params.length==3) {
|
|
566
|
var start = setISODate(params[0]);
|
|
567
|
var stop = setISODate(params[1]);
|
|
568
|
var period = params[2];
|
|
569
|
var parts = period.match(/^P((\d*)Y)?((\d*)M)?((\d*)D)?T?((\d*)H)?((\d*)M)?((.*)S)?/);
|
|
570
|
for (var i=1; i<parts.length; ++i) {
|
|
571
|
if (!parts[i]) parts[i]=0;
|
|
572
|
}
|
|
573
|
//alert("start time:"+start.toString());
|
|
574
|
do {
|
|
575
|
var timestamp = createElementWithNS(objRef.doc,"Timestamp",mbNsUrl);
|
|
576
|
timestamp.appendChild(objRef.doc.createTextNode(getISODate(start)));
|
|
577
|
objRef.timestampList.appendChild(timestamp);
|
|
578
|
|
|
579
|
start.setFullYear(start.getFullYear()+parseInt(parts[2],10));
|
|
580
|
start.setMonth(start.getMonth()+parseInt(parts[4],10));
|
|
581
|
start.setDate(start.getDate()+parseInt(parts[6],10));
|
|
582
|
start.setHours(start.getHours()+parseInt(parts[8],10));
|
|
583
|
start.setMinutes(start.getMinutes()+parseInt(parts[10],10));
|
|
584
|
start.setSeconds(start.getSeconds()+parseFloat(parts[12]));
|
|
585
|
//alert("time:"+start.toString());
|
|
586
|
} while(start.getTime() <= stop.getTime());
|
|
587
|
|
|
588
|
} else {
|
|
589
|
//output single date value
|
|
590
|
var timestamp = createElementWithNS(objRef.doc,"Timestamp",mbNsUrl);
|
|
591
|
timestamp.appendChild(objRef.doc.createTextNode(times[j]));
|
|
592
|
objRef.timestampList.appendChild(timestamp);
|
|
593
|
}
|
|
594
|
}
|
|
595
|
objRef.setExtension(objRef.timestampList);
|
|
596
|
}
|
|
597
|
}
|
|
598
|
this.addFirstListener( "loadModel", this.initTimeExtent, this );
|
|
599
|
|
|
600
|
/**
|
|
601
|
* clear the time extent created by initTimeExtent
|
|
602
|
* @param objRef reference to this model
|
|
603
|
*/
|
|
604
|
this.clearTimeExtent = function( objRef ) {
|
|
605
|
var tsList = objRef.timestampList;
|
|
606
|
if (tsList) {
|
|
607
|
tsList.parentNode.removeChild(tsList);
|
|
608
|
}
|
|
609
|
}
|
|
610
|
this.addListener("newModel", this.clearTimeExtent, this);
|
|
611
|
|
|
612
|
/**
|
|
613
|
* Returns the current timestamp value.
|
|
614
|
* @param layerName the name of the Layer from which the timestamp list was generated
|
|
615
|
* @return the current timestamp value.
|
|
616
|
*/
|
|
617
|
this.getCurrentTimestamp = function( layerName ) {
|
|
618
|
var index = this.getParam("timestamp");
|
|
619
|
return getNodeValue(this.timestampList.childNodes[index]);
|
|
620
|
}
|
|
621
|
|
|
622
|
}
|