1
|
//see also https://github.com/geetarista/jquery-plugin-template/blob/master/jquery.plugin-template.js
|
2
|
|
3
|
/**
|
4
|
* Expected dom structure:
|
5
|
* '<div class="ahah-content" rel="'.$cdm_proxy_url.'"><span class="loading">Loading ....</span></div>';
|
6
|
*/
|
7
|
(function($, document, window, undefined) {
|
8
|
|
9
|
$.fn.cdm_openlayers_map = function(mapserverBaseUrl, mapserverVersion, options) {
|
10
|
|
11
|
var opts = $.extend({},$.fn.cdm_openlayers_map.defaults, options);
|
12
|
|
13
|
// sanitize invalid opts.boundingBox
|
14
|
if(opts.boundingBox && !( typeof opts.boundingBox == 'string' && opts.boundingBox .length > 6)) {
|
15
|
opts.boundingBox = null;
|
16
|
}
|
17
|
|
18
|
return this.each(function(){
|
19
|
this.cdmOpenlayersMap = new CdmOpenLayers.Map($(this), mapserverBaseUrl, mapserverVersion, opts);
|
20
|
this.cdmOpenlayersMap.create();
|
21
|
}); // END each
|
22
|
|
23
|
}; // END cdm_openlayers_map
|
24
|
|
25
|
})(jQuery, document, window, undefined);
|
26
|
|
27
|
(function($){
|
28
|
$.fn.cdm_openlayers_map.defaults = { // set up default options
|
29
|
legendPosition: null, // 1,2,3,4,5,6 = display a legend in the corner specified by the number
|
30
|
distributionOpacity: 0.75,
|
31
|
legendOpacity: 0.75,
|
32
|
// These are bounds in the epsg_4326 projection in degree
|
33
|
boundingBox: null,
|
34
|
aspectRatio: 2, // w/h
|
35
|
showLayerSwitcher: false,
|
36
|
baseLayerNames: ["mapproxy_vmap0"],
|
37
|
defaultBaseLayerName: 'mapproxy_vmap0',
|
38
|
maxZoom: 15,
|
39
|
minZoom: 0,
|
40
|
debug: true,
|
41
|
/**
|
42
|
* allows the map to display parts of the layers which are outside
|
43
|
* the maxExtent if the aspect ratio of the map and of the baselayer
|
44
|
* are not equal
|
45
|
*/
|
46
|
displayOutsideMaxExtent: false,
|
47
|
// customWMSBaseLayerData: {
|
48
|
// name: "Euro+Med",
|
49
|
// url: "http://edit.africamuseum.be/geoserver/topp/wms",
|
50
|
// params: {layers: "topp:em_tiny_jan2003", format:"image/png", tiled: true},
|
51
|
// projection: "EPSG:7777777",
|
52
|
// maxExtent: "-1600072.75, -1800000, 5600000, 5850093",
|
53
|
// units: 'm'
|
54
|
// }
|
55
|
customWMSBaseLayerData: {
|
56
|
name: null,
|
57
|
url: null,
|
58
|
params: null,
|
59
|
projection: null,
|
60
|
proj4js_def: null,
|
61
|
max_extent: null,
|
62
|
units: null,
|
63
|
untiled: null
|
64
|
},
|
65
|
wmsOverlayLayerData: {
|
66
|
name: null,
|
67
|
url: null,
|
68
|
params: null,
|
69
|
untiled: null
|
70
|
},
|
71
|
/**
|
72
|
* when true the map is made resizable by adding the jQueryUI widget resizable
|
73
|
* to the map container. This feature requires that the jQueryUI is loaded
|
74
|
*/
|
75
|
resizable: false
|
76
|
};
|
77
|
})(jQuery);
|
78
|
|
79
|
/**************************************************************************
|
80
|
* CdmOpenLayers
|
81
|
**************************************************************************/
|
82
|
(function() {
|
83
|
|
84
|
/**
|
85
|
* The CdmOpenLayers namespace definition
|
86
|
*/
|
87
|
window.CdmOpenLayers = (function () {
|
88
|
|
89
|
// EPSG:3857 from http://spatialreference.org/ref/sr-org/6864/proj4/
|
90
|
// OpenStreetMap etc
|
91
|
Proj4js.defs["EPSG:3857"] = '+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs';
|
92
|
|
93
|
var projections = {
|
94
|
epsg_4326: new OpenLayers.Projection("EPSG:4326"),
|
95
|
epsg_900913: new OpenLayers.Projection("EPSG:900913"),
|
96
|
epsg_3857: new OpenLayers.Projection("EPSG:3857")
|
97
|
};
|
98
|
var mapExtends = {
|
99
|
epsg_4326: new OpenLayers.Bounds(-180, -90, 180, 90),
|
100
|
// Spherical Mercator epsg_900913 is not supporting the whole marble
|
101
|
epsg_900913: new OpenLayers.Bounds(-179, -85, 179, 85),
|
102
|
// Spherical Mercator
|
103
|
epsg_3857: new OpenLayers.Bounds(-179, -85, 179, 85)
|
104
|
};
|
105
|
// transform epsg_900913 to units meter
|
106
|
mapExtends.epsg_900913.transform(projections.epsg_4326, projections.epsg_900913);
|
107
|
mapExtends.epsg_3857.transform(projections.epsg_4326, projections.epsg_3857);
|
108
|
|
109
|
// make public by returning an object
|
110
|
return {
|
111
|
projections: projections,
|
112
|
mapExtends: mapExtends,
|
113
|
getMap: function (){},
|
114
|
getLayerByName: function(layerName){} // initially empty function, will be populated by openlayers_layers.js
|
115
|
};
|
116
|
|
117
|
})(); // end of namespace definition for CdmOpenLayers
|
118
|
|
119
|
/**
|
120
|
* The CdmOpenLayers.Map constructor
|
121
|
* @param mapElement
|
122
|
* @param mapserverBaseUrl
|
123
|
* @param mapserverVersion
|
124
|
* @param opts
|
125
|
* @returns
|
126
|
*/
|
127
|
window.CdmOpenLayers.Map = function(mapElement, mapserverBaseUrl, mapserverVersion, opts){
|
128
|
|
129
|
var mapServicePath = '/edit_wp5';
|
130
|
|
131
|
// firebug console stub (avoids errors if firebug is not active)
|
132
|
if(typeof console === "undefined") {
|
133
|
console = { log: function() { } };
|
134
|
}
|
135
|
|
136
|
// sanitize given options
|
137
|
try {
|
138
|
opts.customWMSBaseLayerData.max_extent = OpenLayers.Bounds.fromString(opts.customWMSBaseLayerData.max_extent);
|
139
|
} catch(e){
|
140
|
opts.customWMSBaseLayerData.max_extent = null;
|
141
|
}
|
142
|
|
143
|
|
144
|
var legendImgSrc = null;
|
145
|
|
146
|
var map = null;
|
147
|
|
148
|
var infoElement = null;
|
149
|
|
150
|
var baseLayers = [];
|
151
|
|
152
|
var defaultBaseLayer = null;
|
153
|
|
154
|
/**
|
155
|
* The top most layer which will be places above all data layers
|
156
|
*
|
157
|
* @type {null}
|
158
|
*/
|
159
|
var wmsOverlay = null;
|
160
|
|
161
|
/**
|
162
|
* Default bounding box for map viewport in the projection of the base layer.
|
163
|
* as defined by the user, can be null.
|
164
|
*
|
165
|
* These are bounds in the epsg_4326 projection, and will be transformed to the baselayer projection.
|
166
|
*
|
167
|
* @type string
|
168
|
*/
|
169
|
var defaultBaseLayerBoundingBox = "-180,-90,180,90";
|
170
|
|
171
|
/**
|
172
|
* bounding box for map viewport as defined by the user, can be null.
|
173
|
*
|
174
|
* These are bounds in the projection of the base layer.
|
175
|
*
|
176
|
* @type string
|
177
|
*/
|
178
|
var boundingBox = null;
|
179
|
|
180
|
/**
|
181
|
* Bounds for the view port calculated from the data layer responses.
|
182
|
* These are either calculated by the minimum bounding box which
|
183
|
* encloses the data in the data layers, or it is equal to the
|
184
|
* boundingBox as defined by the user.
|
185
|
*
|
186
|
* These are bounds in the projection of the base layer.
|
187
|
*
|
188
|
* @see boundingBox
|
189
|
*
|
190
|
* @type OpenLayers.Bounds
|
191
|
*/
|
192
|
var dataBounds = null;
|
193
|
|
194
|
/**
|
195
|
* Final value for the view port, calculated from the other bounds.
|
196
|
*
|
197
|
* These are bounds in the projection of the base layer.
|
198
|
*
|
199
|
* @type OpenLayers.Bounds
|
200
|
*/
|
201
|
var zoomToBounds = null;
|
202
|
|
203
|
var zoomToClosestLevel = true;
|
204
|
|
205
|
var LAYER_DATA_CNT = 0;
|
206
|
|
207
|
/* this is usually the <div id="openlayers"> element */
|
208
|
var mapContainerElement = mapElement.parent();
|
209
|
|
210
|
var defaultControls = [
|
211
|
new OpenLayers.Control.PanZoom(),
|
212
|
new OpenLayers.Control.Navigation(
|
213
|
{
|
214
|
zoomWheelEnabled: false,
|
215
|
handleRightClicks:true,
|
216
|
zoomBoxKeyMask: OpenLayers.Handler.MOD_CTRL
|
217
|
}
|
218
|
)
|
219
|
];
|
220
|
|
221
|
|
222
|
var layerByNameMap = {
|
223
|
tdwg1: 'topp:tdwg_level_1',
|
224
|
tdwg2: 'topp:tdwg_level_2',
|
225
|
tdwg3: 'topp:tdwg_level_3',
|
226
|
tdwg4: 'topp:tdwg_level_4'
|
227
|
};
|
228
|
|
229
|
if(opts.resizable === true) {
|
230
|
// resizable requires jQueryUI to be loaded!!!
|
231
|
mapContainerElement.resizable({
|
232
|
resize: function( event, ui ) {
|
233
|
map.updateSize();
|
234
|
// this.printInfo();
|
235
|
}
|
236
|
});
|
237
|
}
|
238
|
|
239
|
/**
|
240
|
*
|
241
|
*/
|
242
|
this.create = function(){ // public function
|
243
|
|
244
|
// set the height of the container element
|
245
|
adjustHeight();
|
246
|
|
247
|
// register for resize events to be able to adjust the map aspect ratio and legend position
|
248
|
jQuery( window ).resize(function() {
|
249
|
adjustHeight();
|
250
|
adjustLegendAsElementPosition();
|
251
|
});
|
252
|
|
253
|
createBaseLayers(opts.baseLayerNames, opts.defaultBaseLayerName, opts.customWMSBaseLayerData);
|
254
|
|
255
|
initMap();
|
256
|
|
257
|
// now it is
|
258
|
if(opts.boundingBox){
|
259
|
boundingBox = OpenLayers.Bounds.fromString(opts.boundingBox);
|
260
|
boundingBox.transform(CdmOpenLayers.projections.epsg_4326, map.getProjectionObject());
|
261
|
}
|
262
|
|
263
|
// -- Distribution Layer --
|
264
|
var mapServiceRequest;
|
265
|
var distributionQuery = mapElement.attr('distributionQuery');
|
266
|
|
267
|
if(distributionQuery !== undefined){
|
268
|
distributionQuery = mergeQueryStrings(distributionQuery, '&recalculate=false');
|
269
|
if(typeof legendPosition === 'number'){
|
270
|
distributionQuery = mergeQueryStrings(distributionQuery, 'legend=1&mlp=' + opts.legendPosition);
|
271
|
}
|
272
|
if(opts.boundingBox){
|
273
|
distributionQuery = mergeQueryStrings(distributionQuery, 'bbox=' + boundingBox);
|
274
|
}
|
275
|
|
276
|
distributionQuery = mergeQueryStrings(distributionQuery, 'callback=?');
|
277
|
var legendFormatQuery = mapElement.attr('legendFormatQuery');
|
278
|
if(legendFormatQuery !== undefined){
|
279
|
legendImgSrc = mergeQueryStrings('/GetLegendGraphic?SERVICE=WMS&VERSION=1.1.1', legendFormatQuery);
|
280
|
}
|
281
|
|
282
|
mapServiceRequest = mapserverBaseUrl + mapServicePath + '/' + mapserverVersion + '/rest_gen.php?' + distributionQuery;
|
283
|
|
284
|
LAYER_DATA_CNT++;
|
285
|
jQuery.ajax({
|
286
|
url: mapServiceRequest,
|
287
|
dataType: "jsonp",
|
288
|
success: function(data){
|
289
|
var layers = createDataLayer(data, "AREA");
|
290
|
addLayers(layers);
|
291
|
layerDataLoaded();
|
292
|
}
|
293
|
});
|
294
|
}
|
295
|
|
296
|
// -- Occurrence Layer --
|
297
|
var occurrenceQuery = mapElement.attr('occurrenceQuery');
|
298
|
if(occurrenceQuery !== undefined){
|
299
|
occurrenceQuery = mergeQueryStrings(occurrenceQuery, '&recalculate=false');
|
300
|
// if(typeof legendPosition == 'number'){
|
301
|
// occurrenceQuery = mergeQueryStrings(distributionQuery, 'legend=1&mlp=' + opts.legendPosition);
|
302
|
// }
|
303
|
|
304
|
|
305
|
occurrenceQuery = mergeQueryStrings(occurrenceQuery, 'callback=?');
|
306
|
// var legendFormatQuery = mapElement.attr('legendFormatQuery');
|
307
|
// if(legendFormatQuery !== undefined){
|
308
|
// legendImgSrc = mergeQueryStrings('/GetLegendGraphic?SERVICE=WMS&VERSION=1.1.1', legendFormatQuery);
|
309
|
// }
|
310
|
if(opts.boundingBox){
|
311
|
occurrenceQuery = mergeQueryStrings(occurrenceQuery, 'bbox=' + boundingBox);
|
312
|
}
|
313
|
|
314
|
mapServiceRequest = mapserverBaseUrl + mapServicePath + '/' + mapserverVersion + '/rest_gen.php?' + occurrenceQuery;
|
315
|
|
316
|
LAYER_DATA_CNT++;
|
317
|
jQuery.ajax({
|
318
|
url: mapServiceRequest,
|
319
|
dataType: "jsonp",
|
320
|
success: function(data){
|
321
|
var layers = createDataLayer(data, "POINT");
|
322
|
addLayers(layers);
|
323
|
layerDataLoaded();
|
324
|
}
|
325
|
});
|
326
|
}
|
327
|
|
328
|
if(LAYER_DATA_CNT === 0) {
|
329
|
// a map only with base layer
|
330
|
initPostDataLoaded();
|
331
|
}
|
332
|
|
333
|
// -- Overlay Layer --
|
334
|
if(opts.wmsOverlayLayerData.params){
|
335
|
overlay_layer_params = opts.wmsOverlayLayerData.params;
|
336
|
overlay_layer_params.transparent=true;
|
337
|
wmsOverlay = createWMSLayer(
|
338
|
opts.wmsOverlayLayerData.name,
|
339
|
opts.wmsOverlayLayerData.url,
|
340
|
overlay_layer_params,
|
341
|
null,
|
342
|
null,
|
343
|
null,
|
344
|
null,
|
345
|
opts.wmsOverlayLayerData.untiled
|
346
|
);
|
347
|
|
348
|
if(map.addLayer(wmsOverlay)){
|
349
|
wmsOverlay.setVisibility(true);
|
350
|
map.setLayerIndex(wmsOverlay, 100);
|
351
|
log("Overlay wms added");
|
352
|
} else {
|
353
|
log("ERROR adding overlay wms layer")
|
354
|
}
|
355
|
}
|
356
|
|
357
|
log("Map viewer creation complete.");
|
358
|
|
359
|
};
|
360
|
|
361
|
var layerDataLoaded = function() {
|
362
|
LAYER_DATA_CNT--;
|
363
|
if(LAYER_DATA_CNT === 0){
|
364
|
initPostDataLoaded();
|
365
|
}
|
366
|
};
|
367
|
|
368
|
var initPostDataLoaded = function () {
|
369
|
// all layers prepared, make the visible
|
370
|
map.layers.forEach(function(layer){
|
371
|
layer.setVisibility(true);
|
372
|
});
|
373
|
|
374
|
// zoom to the zoomToBounds
|
375
|
log(" > starting zoomToExtend: " + zoomToBounds + ", zoomToClosestLevel: " + zoomToClosestLevel, true);
|
376
|
map.zoomToExtent(zoomToBounds, zoomToClosestLevel);
|
377
|
|
378
|
|
379
|
if(map.getZoom() > opts.maxZoom){
|
380
|
map.zoomTo(opts.maxZoom);
|
381
|
} else if(map.getZoom() < opts.minZoom){
|
382
|
map.zoomTo(opts.minZoom);
|
383
|
}
|
384
|
|
385
|
// make sure the wmsOverlay is still on top
|
386
|
if(wmsOverlay){
|
387
|
map.setLayerIndex(wmsOverlay, 100);
|
388
|
}
|
389
|
|
390
|
log(" > zoomToExtend done", true);
|
391
|
};
|
392
|
|
393
|
/**
|
394
|
* Returns the projection of the defaultBaseLayer which is the
|
395
|
* the projection to which all other layers and locations must be transformed.
|
396
|
*/
|
397
|
var referenceProjection = function() {
|
398
|
if(defaultBaseLayer){
|
399
|
return defaultBaseLayer.projection;
|
400
|
} else {
|
401
|
log("Error - referenceProjection() defaultBaseLayer not set");
|
402
|
return null;
|
403
|
}
|
404
|
};
|
405
|
|
406
|
/**
|
407
|
* Returns the maxExtent of the defaultBaseLayer.
|
408
|
*/
|
409
|
var referenceMaxExtent = function() {
|
410
|
if(defaultBaseLayer){
|
411
|
return defaultBaseLayer.maxExtent;
|
412
|
} else {
|
413
|
log("Error - referenceMaxExtent() defaultBaseLayer not set");
|
414
|
return null;
|
415
|
}
|
416
|
};
|
417
|
|
418
|
var getHeight = function(){
|
419
|
return mapContainerElement.width() / opts.aspectRatio;
|
420
|
};
|
421
|
|
422
|
var getWidth = function(){
|
423
|
return mapContainerElement.width();
|
424
|
};
|
425
|
|
426
|
var adjustHeight = function() {
|
427
|
mapContainerElement.css("height", getHeight());
|
428
|
};
|
429
|
|
430
|
/**
|
431
|
* public function
|
432
|
*/
|
433
|
this.registerEvents = function(events){
|
434
|
for (var key in events) {
|
435
|
if (events.hasOwnProperty(key)) {
|
436
|
map.events.register(key, map , events[key]);
|
437
|
}
|
438
|
}
|
439
|
};
|
440
|
|
441
|
|
442
|
/**
|
443
|
* public function
|
444
|
*/
|
445
|
this.getMap = function(){
|
446
|
return map;
|
447
|
};
|
448
|
|
449
|
/**
|
450
|
* Prints info on the current map into the jQuery element
|
451
|
* as set in the options (opts.infoElement)
|
452
|
* public function
|
453
|
*
|
454
|
*/
|
455
|
this.printInfo = function(){
|
456
|
|
457
|
|
458
|
var mapExtendDegree = null;
|
459
|
if(map.getExtent() != null){
|
460
|
// If the baselayer is not yet set, getExtent() returns null.
|
461
|
mapExtendDegree = map.getExtent().clone();
|
462
|
mapExtendDegree.transform(map.baseLayer.projection, CdmOpenLayers.projections.epsg_4326);
|
463
|
}
|
464
|
|
465
|
var info = "<dl>";
|
466
|
info += "<dt>zoom:<dt><dd>" + map.getZoom() + "</dd>";
|
467
|
if(opts.debug){
|
468
|
info += "<dt>map resolution:<dt><dd>" + map.getResolution() + "</dd>";
|
469
|
info += "<dt>map max resolution:<dt><dd>" + map.getMaxResolution() + "</dd>";
|
470
|
info += "<dt>map scale:<dt><dd>" + map.getScale() + "</dd>";
|
471
|
info += "<dt>map width, height:<dt><dd>" + mapContainerElement.width() + ", " + mapContainerElement.height() + "</dd>";
|
472
|
info += "<dt>map aspect ratio:<dt><dd>" + mapContainerElement.width() / mapContainerElement.height() + "</dd>";
|
473
|
if(map.getExtent() != null){
|
474
|
info += "<dt>map extent bbox:<dt><dd class=\"map-extent-bbox\">" + map.getExtent().toBBOX() + ", <strong>degree:</strong> <span class=\"degree-value\">" + mapExtendDegree.toBBOX() + "</span></dd>";
|
475
|
info += "<dt>map maxExtent bbox:<dt><dd>" + map.getMaxExtent().toBBOX() + "</dd>";
|
476
|
info += "<dt>baselayer extent bbox:<dt><dd class=\"baselayer-extent-bbox\">" + map.baseLayer.getExtent().toBBOX() + ", <strong>degree:</strong> <span class=\"degree-value\">"
|
477
|
+ map.baseLayer.getExtent().clone().transform(map.baseLayer.projection, CdmOpenLayers.projections.epsg_4326) + "</span></dd>"
|
478
|
info += "<dt>baselayer projection:<dt><dd>" + map.baseLayer.projection.getCode() + "</dd>";
|
479
|
}
|
480
|
} else {
|
481
|
info += "<dt>bbox:<dt><dd>" + (mapExtendDegree !== null ? mapExtendDegree.toBBOX() : 'NULL') + "</dd>";
|
482
|
}
|
483
|
info += "</dl>";
|
484
|
|
485
|
if(infoElement === null){
|
486
|
infoElement = jQuery('<div class="map_info"></div>');
|
487
|
mapElement.parent().after(infoElement);
|
488
|
}
|
489
|
infoElement.html(info);
|
490
|
};
|
491
|
|
492
|
/**
|
493
|
* Initialize the Openlayers Map with the base layer
|
494
|
*/
|
495
|
var initMap = function(){
|
496
|
|
497
|
if(opts.showLayerSwitcher === true){
|
498
|
defaultControls.push(new OpenLayers.Control.LayerSwitcher({'ascending':false}));
|
499
|
}
|
500
|
|
501
|
// defaultControls.unshift(layerLoadingControl()); // as first control, needs to be below all others!
|
502
|
|
503
|
// var maxExtentByAspectRatio = cropBoundsToAspectRatio(defaultBaseLayer.maxExtent, getWidth/getHeight);
|
504
|
var maxResolution = null;
|
505
|
// gmaps has no maxExtent at this point, need to check for null
|
506
|
if(referenceMaxExtent() !== null){
|
507
|
maxResolution = Math[(opts.displayOutsideMaxExtent ? 'max' : 'min')](
|
508
|
referenceMaxExtent().getWidth() / getWidth(),
|
509
|
referenceMaxExtent().getHeight() / getHeight()
|
510
|
);
|
511
|
}
|
512
|
console.log("mapOptions.maxResolution: " + maxResolution);
|
513
|
console.log("mapOptions.restrictedExtent: " + referenceMaxExtent());
|
514
|
|
515
|
map = new OpenLayers.Map(
|
516
|
mapElement.attr('id'),
|
517
|
{
|
518
|
// defines the map ui elements and interaction features
|
519
|
controls: defaultControls,
|
520
|
|
521
|
// maxResolution determines the lowest zoom level and thus places the map
|
522
|
// in its maximum extent into the available view port so that no additinal
|
523
|
// gutter is visible and no parts of the map are hidden
|
524
|
// see http://trac.osgeo.org/openlayers/wiki/SettingZoomLevels
|
525
|
// IMPORTANT!!!
|
526
|
// the maxResulution set here will be overwritten if the baselayers maxResolution
|
527
|
// it is set
|
528
|
maxResolution: maxResolution,
|
529
|
|
530
|
// setting restrictedExtent the the maxExtent prevents from panning the
|
531
|
// map out of its bounds
|
532
|
restrictedExtent: referenceMaxExtent(),
|
533
|
// maxExtent: referenceMaxExtent(),
|
534
|
|
535
|
// Setting the map.fractionalZoom property to true allows zooming to an arbitrary level
|
536
|
// (between the min and max resolutions).
|
537
|
// fractional tiles are not supported by XYZ layers like OSM so this option would
|
538
|
// break the tile retrieval for OSM (e.g.: tile for fractional zoom level
|
539
|
// 1.2933333333333332 = http://b.tile.openstreetmap.org/1.2933333333333332/1/0.png)
|
540
|
fractionalZoom: defaultBaseLayer.CLASS_NAME != "OpenLayers.Layer.OSM" && defaultBaseLayer.CLASS_NAME != "OpenLayers.Layer.XYZ",
|
541
|
|
542
|
eventListeners: opts.eventListeners,
|
543
|
// creating the map with a null theme, since we include the stylesheet directly in the page
|
544
|
theme: null
|
545
|
|
546
|
}
|
547
|
);
|
548
|
|
549
|
//add the base layers
|
550
|
|
551
|
addLayers(baseLayers);
|
552
|
map.setBaseLayer(defaultBaseLayer);
|
553
|
|
554
|
// calculate the bounds to zoom to
|
555
|
zoomToBounds = calculateZoomToBounds(opts.boundingBox ? opts.boundingBox : defaultBaseLayerBoundingBox);
|
556
|
// zoomToBounds = cropBoundsToAspectRatio(zoomToBounds, map.getSize().w / map.getSize().h);
|
557
|
console.log("baselayer zoomToBounds: " + zoomToBounds);
|
558
|
|
559
|
};
|
560
|
|
561
|
var addLayers = function(layers){
|
562
|
|
563
|
layers.forEach(function(layer){
|
564
|
// layer.setVisibility(false);
|
565
|
});
|
566
|
|
567
|
map.addLayers(layers);
|
568
|
};
|
569
|
|
570
|
/**
|
571
|
* add a distribution or occurrence layer
|
572
|
*
|
573
|
* @param mapResponseObj
|
574
|
* The reponse object returned by the edit map service
|
575
|
* @param dataType
|
576
|
* either "AREA" or "POINT"
|
577
|
*/
|
578
|
var createDataLayer = function(mapResponseObj, dataType){
|
579
|
|
580
|
console.log("creating data layer of type " + dataType);
|
581
|
|
582
|
dataLayerOptions = makeWMSLayerOptions();
|
583
|
dataLayerOptions.displayOutsideMaxExtent = true; // move into makeWMSLayerOptions?
|
584
|
|
585
|
var layers = [];
|
586
|
// add additional layers, get them from the mapResponseObj
|
587
|
if(mapResponseObj !== undefined){
|
588
|
if(dataType === "POINT" && mapResponseObj.points_sld !== undefined){
|
589
|
var pointLayer;
|
590
|
// it is a response for an point map
|
591
|
var geoserverUri;
|
592
|
if(mapResponseObj.geoserver) {
|
593
|
geoserverUri = mapResponseObj.geoserver;
|
594
|
} else {
|
595
|
// it is an old service which is not providing the corresponding geoserver URI, so we guess it
|
596
|
geoserverUri = mapserverBaseUrl + "/geoserver/wms";
|
597
|
}
|
598
|
|
599
|
//TODO points_sld should be renamed to sld in response + fill path to sld should be given
|
600
|
pointLayer = new OpenLayers.Layer.WMS(
|
601
|
'points',
|
602
|
geoserverUri,
|
603
|
{
|
604
|
layers: 'topp:rest_points',
|
605
|
transparent:"true",
|
606
|
format:"image/png"
|
607
|
},
|
608
|
dataLayerOptions
|
609
|
);
|
610
|
|
611
|
var sld = mapResponseObj.points_sld;
|
612
|
if(sld.indexOf("http://") !== 0){
|
613
|
// it is an old servive which is not providing the full sdl URI, so we guess it
|
614
|
// http://edit.africamuseum.be/synthesys/www/v1/sld/
|
615
|
// http://edit.br.fgov.be/synthesys/www/v1/sld/
|
616
|
sld = mapserverBaseUrl + "/synthesys/www/v1/sld/" + sld;
|
617
|
}
|
618
|
pointLayer.params.SLD = sld;
|
619
|
|
620
|
layers.push(pointLayer);
|
621
|
} else {
|
622
|
// it is a response from for a distribution map
|
623
|
console.log("start with adding distribution layers :");
|
624
|
for ( var i in mapResponseObj.layers) {
|
625
|
var layerData = mapResponseObj.layers[i];
|
626
|
|
627
|
console.log(" " + i +" -> " + layerData.tdwg);
|
628
|
var layer = new OpenLayers.Layer.WMS(
|
629
|
layerData.tdwg,
|
630
|
mapResponseObj.geoserver + "/wms",
|
631
|
{
|
632
|
layers: layerByNameMap[layerData.tdwg],
|
633
|
transparent:"true",
|
634
|
format:"image/png"
|
635
|
},
|
636
|
dataLayerOptions
|
637
|
);
|
638
|
layer.params.SLD = layerData.sld;
|
639
|
layer.setOpacity(opts.distributionOpacity);
|
640
|
|
641
|
layers.push(layer);
|
642
|
}
|
643
|
}
|
644
|
|
645
|
if(layers.length > 0) {
|
646
|
// calculate zoomBounds using the first layer
|
647
|
if(mapResponseObj.bbox !== undefined){
|
648
|
// mapResponseObj.bbox are bounds for the projection of the specific layer
|
649
|
var newBounds = OpenLayers.Bounds.fromString( mapResponseObj.bbox );
|
650
|
newBounds.transform(layers[0].projection, map.getProjectionObject());
|
651
|
if(dataBounds !== null){
|
652
|
dataBounds.extend(newBounds);
|
653
|
} else if(newBounds !== undefined){
|
654
|
dataBounds = newBounds;
|
655
|
}
|
656
|
|
657
|
zoomToBounds = dataBounds;
|
658
|
console.log("data layer zoomToBounds: " + zoomToBounds);
|
659
|
zoomToClosestLevel = false;
|
660
|
}
|
661
|
}
|
662
|
|
663
|
|
664
|
|
665
|
if(legendImgSrc != null && opts.legendPosition !== undefined && mapResponseObj.legend !== undefined){
|
666
|
var legendSrcUrl = mapResponseObj.geoserver + legendImgSrc + mapResponseObj.legend;
|
667
|
addLegendAsElement(legendSrcUrl);
|
668
|
//addLegendAsLayer(legendSrcUrl, map);
|
669
|
}
|
670
|
|
671
|
return layers;
|
672
|
}
|
673
|
|
674
|
};
|
675
|
|
676
|
/**
|
677
|
*
|
678
|
*/
|
679
|
var addLegendAsElement= function(legendSrcUrl){
|
680
|
|
681
|
var legendElement = jQuery('<div class="openlayers_legend"></div>');
|
682
|
var legendImage = jQuery('<img src="' + legendSrcUrl + '"/>');
|
683
|
legendElement
|
684
|
.css('opacity', opts.legendOpacity)
|
685
|
.css('position', 'relative')
|
686
|
.css('z-index', '1002')
|
687
|
.css('top', -mapElement.height());
|
688
|
legendImage.load(function () {
|
689
|
jQuery(this).parent()
|
690
|
.css('left', getWidth() - jQuery(this).width())
|
691
|
.width(jQuery(this).width());
|
692
|
// reset height to original value
|
693
|
adjustHeight();
|
694
|
});
|
695
|
legendElement.html(legendImage);
|
696
|
mapElement.after(legendElement);
|
697
|
};
|
698
|
|
699
|
var adjustLegendAsElementPosition = function (){
|
700
|
var legendContainer = mapContainerElement.children('.openlayers_legend');
|
701
|
var legendImage = legendContainer.children('img');
|
702
|
legendContainer.css('top', -mapElement.height())
|
703
|
.css('left', getWidth() - legendImage.width());
|
704
|
};
|
705
|
|
706
|
|
707
|
var addLegendAsLayer= function(legendSrcUrl, map){
|
708
|
var w, h;
|
709
|
|
710
|
// 1. download image to find height and width
|
711
|
mapElement.after('<div class="openlayers_legend"><img src="' + legendSrcUrl + '"></div>');
|
712
|
mapElement.next('.openlayers_legend').css('display', 'none').css('opacity', opts.legendOpacity).find('img').load(function () {
|
713
|
|
714
|
w = mapElement.next('.openlayers_legend').find('img').width();
|
715
|
h = mapElement.next('.openlayers_legend').find('img').height();
|
716
|
mapElement.next('.openlayers_legend').remove();
|
717
|
|
718
|
// createLegendLayer();
|
719
|
// // 2. create the Legend Layer
|
720
|
//TODO createLegendLayer as inner function seems like an error
|
721
|
// var createLegendLayer = function(){
|
722
|
//
|
723
|
//
|
724
|
// var legendLayerOptions={
|
725
|
// maxResolution: '.$maxRes.',
|
726
|
// maxExtent: new OpenLayers.Bounds(0, 0, w, h)
|
727
|
// };
|
728
|
//
|
729
|
// var legendLayer = new OpenLayers.Layer.Image(
|
730
|
// 'Legend',
|
731
|
// legendSrcUrl,
|
732
|
// new OpenLayers.Bounds(0, 0, w, h),
|
733
|
// new OpenLayers.Size(w, h),
|
734
|
// imageLayerOptions);
|
735
|
// };
|
736
|
});
|
737
|
|
738
|
|
739
|
};
|
740
|
|
741
|
/**
|
742
|
* merge 2 Url query strings
|
743
|
*/
|
744
|
var mergeQueryStrings = function(queryStr1, queryStr2){
|
745
|
if(queryStr1.charAt(queryStr1.length - 1) != '&'){
|
746
|
queryStr1 += '&';
|
747
|
}
|
748
|
if(queryStr2.charAt(0) == '&'){
|
749
|
return queryStr1 + queryStr2.substr(1);
|
750
|
} else {
|
751
|
return queryStr1 + queryStr2;
|
752
|
}
|
753
|
|
754
|
};
|
755
|
|
756
|
/**
|
757
|
*
|
758
|
*/
|
759
|
var createBaseLayers = function( baseLayerNames, defaultBaseLayerName, customWMSBaseLayerData){
|
760
|
|
761
|
for(var i = 0; i < baseLayerNames.length; i++) {
|
762
|
// create the layer
|
763
|
if (baseLayerNames[i] === "custom_wms_base_layer_1"){
|
764
|
wmsBaseLayer =createWMSLayer(
|
765
|
customWMSBaseLayerData.name,
|
766
|
customWMSBaseLayerData.url,
|
767
|
customWMSBaseLayerData.params,
|
768
|
customWMSBaseLayerData.projection,
|
769
|
customWMSBaseLayerData.proj4js_def,
|
770
|
customWMSBaseLayerData.units,
|
771
|
customWMSBaseLayerData.max_extent,
|
772
|
customWMSBaseLayerData.untiled
|
773
|
);
|
774
|
wmsBaseLayer.setIsBaseLayer(true);
|
775
|
baseLayers[i] = wmsBaseLayer;
|
776
|
} else {
|
777
|
baseLayers[i] = window.CdmOpenLayers.getLayerByName(baseLayerNames[i]);
|
778
|
}
|
779
|
// set default baselayer
|
780
|
if(baseLayerNames[i] === defaultBaseLayerName){
|
781
|
defaultBaseLayer = baseLayers[i];
|
782
|
}
|
783
|
|
784
|
}
|
785
|
};
|
786
|
|
787
|
/**
|
788
|
* returns the intersection of the bounds b1 and b2.
|
789
|
* The b1 and b2 do not intersect b1 will be returned.
|
790
|
*
|
791
|
* @param OpenLayers.Bounds b1
|
792
|
* @param OpenLayers.Bounds b2
|
793
|
*
|
794
|
* @return the bounds of the intersection between both rectangles
|
795
|
*/
|
796
|
var intersectionOfBounds = function (b1, b2){
|
797
|
|
798
|
if(b1.intersectsBounds(b2)){
|
799
|
|
800
|
var left = Math.max(b1.left, b2.left);
|
801
|
var bottom = Math.max(b1.bottom, b2.bottom);
|
802
|
var right = Math.min(b1.right, b2.right);
|
803
|
var top = Math.min(b1.top, b2.top);
|
804
|
|
805
|
return new OpenLayers.Bounds(left, bottom, right, top);
|
806
|
|
807
|
} else {
|
808
|
return b1;
|
809
|
}
|
810
|
};
|
811
|
|
812
|
/**
|
813
|
*
|
814
|
* @param b OpenLayers.Bounds to crop
|
815
|
* @param aspectRatio as fraction of width/height as float value
|
816
|
*
|
817
|
* @return the bounds cropped to the given aspectRatio
|
818
|
*/
|
819
|
var cropBoundsToAspectRatio = function (b, aspectRatio){
|
820
|
|
821
|
var cropedB = b.clone();
|
822
|
|
823
|
if(aspectRatio === 1){
|
824
|
return cropedB;
|
825
|
}
|
826
|
|
827
|
/*
|
828
|
* LonLat:
|
829
|
* lon {Float} The x-axis coordinate in map units
|
830
|
* lat {Float} The y-axis coordinate in map units
|
831
|
*/
|
832
|
var center = cropedB.getCenterLonLat();
|
833
|
var dist;
|
834
|
if(aspectRatio < 1){
|
835
|
dist = (b.getHeight() / 2) * aspectRatio;
|
836
|
cropedB.top = center.lat + dist;
|
837
|
cropedB.cropedBottom = center.lat - dist;
|
838
|
} else if(aspectRatio > 1){
|
839
|
dist = (b.getWidth() / 2) / aspectRatio;
|
840
|
cropedB.left = center.lon - dist;
|
841
|
cropedB.right = center.lon + dist;
|
842
|
}
|
843
|
return cropedB;
|
844
|
};
|
845
|
|
846
|
/**
|
847
|
* returns the version number contained in the version string:
|
848
|
* v1.1 --> 1.1
|
849
|
* v1.2_dev --> 1.2
|
850
|
*/
|
851
|
var mapServerVersionNumber = function() {
|
852
|
var pattern = /v([\d\.]+).*$/;
|
853
|
var result;
|
854
|
if (result = mapserverVersion.match(pattern) !== null) {
|
855
|
return result[0];
|
856
|
} else {
|
857
|
return null;
|
858
|
}
|
859
|
};
|
860
|
|
861
|
|
862
|
|
863
|
/**
|
864
|
* returns the zoom to bounds.
|
865
|
*
|
866
|
* @param bboxString
|
867
|
* a string representation of the bounds in degree for epsg_4326
|
868
|
*
|
869
|
* @return the bboxstring projected onto the layer and intersected with the maximum extent of the layer
|
870
|
*/
|
871
|
var calculateZoomToBounds = function(bboxString){
|
872
|
var zoomToBounds;
|
873
|
if(bboxString) {
|
874
|
zoomToBounds = OpenLayers.Bounds.fromString(bboxString);
|
875
|
if(referenceProjection().proj.projName){
|
876
|
// SpericalMercator is not supporting the full extent -180,-90,180,90
|
877
|
// crop if need to -179, -85, 179, 85
|
878
|
if(zoomToBounds.left < -179){
|
879
|
zoomToBounds.left = -179;
|
880
|
}
|
881
|
if(zoomToBounds.bottom < -85){
|
882
|
zoomToBounds.bottom = -85;
|
883
|
}
|
884
|
if(zoomToBounds.right > 179){
|
885
|
zoomToBounds.right = 179;
|
886
|
}
|
887
|
if(zoomToBounds.top > 85){
|
888
|
zoomToBounds.top = 85;
|
889
|
}
|
890
|
}
|
891
|
// transform bounding box given in degree values to the projection of the base layer
|
892
|
zoomToBounds.transform(CdmOpenLayers.projections.epsg_4326, referenceProjection());
|
893
|
} else if(referenceMaxExtent()) {
|
894
|
zoomToBounds = referenceMaxExtent();
|
895
|
// no need to transform since the bounds are obtained from the layer
|
896
|
} else {
|
897
|
// use the more narrow bbox of the SphericalMercator to avoid reprojection problems
|
898
|
// SpericalMercator is not supporting the full extent!
|
899
|
zoomToBounds = CdmOpenLayers.mapExtends.epsg_900913;
|
900
|
// transform bounding box given in degree values to the projection of the base layer
|
901
|
zoomToBounds.transform(CdmOpenLayers.projections.epsg_4326, referenceProjection());
|
902
|
}
|
903
|
|
904
|
zoomToBounds = intersectionOfBounds(referenceMaxExtent(), zoomToBounds);
|
905
|
|
906
|
log("zoomBounds calculated: " + zoomToBounds.toString());
|
907
|
|
908
|
return zoomToBounds;
|
909
|
};
|
910
|
|
911
|
var log = function(message, addTimeStamp){
|
912
|
var timestamp = '';
|
913
|
if(addTimeStamp === true){
|
914
|
var time = new Date();
|
915
|
timestamp = time.getSeconds() + '.' + time.getMilliseconds() + 's';
|
916
|
}
|
917
|
console.log(timestamp + message);
|
918
|
};
|
919
|
|
920
|
var makeWMSLayerOptions = function(projection, proj4js_def, maxExtent, units, untiled) {
|
921
|
var wmsOptions = {
|
922
|
isBaseLayer: false,
|
923
|
displayInLayerSwitcher: true
|
924
|
};
|
925
|
|
926
|
if (projection) {
|
927
|
if (proj4js_def) {
|
928
|
// in case projection has been defined for the layer and if there is also
|
929
|
// a Proj4js.defs, add it!
|
930
|
Proj4js.defs[projection] = proj4js_def;
|
931
|
}
|
932
|
wmsOptions.projection = projection;
|
933
|
if (maxExtent === null) {
|
934
|
maxExtent = CdmOpenLayers.mapExtends.epsg_4326.clone();
|
935
|
maxExtent.transform(CdmOpenLayers.projections.epsg_4326, projection);
|
936
|
}
|
937
|
} else {
|
938
|
// use the projection and maxextent of the base layer
|
939
|
maxExtent = referenceMaxExtent();
|
940
|
}
|
941
|
|
942
|
if (maxExtent) {
|
943
|
wmsOptions.maxExtent = maxExtent;
|
944
|
}
|
945
|
|
946
|
if (units) {
|
947
|
wmsOptions.units = units;
|
948
|
}
|
949
|
|
950
|
if (untiled) {
|
951
|
wmsOptions.singleTile = true;
|
952
|
wmsOptions.ratio = 1;
|
953
|
}
|
954
|
|
955
|
return wmsOptions;
|
956
|
};
|
957
|
|
958
|
/**
|
959
|
* Creates a WMS Base layer
|
960
|
* @param String name
|
961
|
* A name for the layer
|
962
|
* @param String url
|
963
|
* Base url for the WMS (e.g. http://wms.jpl.nasa.gov/wms.cgi)
|
964
|
* @param Object params
|
965
|
* An object with key/value pairs representing the GetMap query string parameters and parameter values.
|
966
|
* @param Object projection
|
967
|
* A OpenLayers.Projection object
|
968
|
*/
|
969
|
var createWMSLayer= function(name, url, params, projection, proj4js_def, units, maxExtent, untiled){
|
970
|
|
971
|
console.log("creating WMS Layer " + name);
|
972
|
|
973
|
var wmsOptions = makeWMSLayerOptions(projection, proj4js_def, maxExtent, units, untiled);
|
974
|
|
975
|
var wmsLayer = new OpenLayers.Layer.WMS(
|
976
|
name,
|
977
|
url,
|
978
|
params,
|
979
|
wmsOptions
|
980
|
);
|
981
|
|
982
|
if(wmsLayer === null){
|
983
|
console.log("Error creating WMS Layer");
|
984
|
}
|
985
|
|
986
|
return wmsLayer;
|
987
|
};
|
988
|
|
989
|
var layerLoadingControl = function() {
|
990
|
|
991
|
var control = new OpenLayers.Control();
|
992
|
|
993
|
OpenLayers.Util.extend(control, {
|
994
|
|
995
|
LAYERS_LOADING: 0,
|
996
|
|
997
|
updateState: function () {
|
998
|
if(this.div != null){
|
999
|
if (this.LAYERS_LOADING > 0) {
|
1000
|
this.div.style.display = "block";
|
1001
|
} else {
|
1002
|
this.div.style.display = "none";
|
1003
|
}
|
1004
|
}
|
1005
|
},
|
1006
|
|
1007
|
updateSize: function () {
|
1008
|
this.div.style.width = this.map.size.w + "px";
|
1009
|
this.div.style.height = this.map.size.h + "px";
|
1010
|
this.div.style.textAlign = "center";
|
1011
|
this.div.style.lineHeight = this.map.size.h + "px";
|
1012
|
},
|
1013
|
|
1014
|
counterIncrease: function (layer) {
|
1015
|
this.control.LAYERS_LOADING++;
|
1016
|
log(' > loading start : ' + this.layer.name + ' ' + this.control.LAYERS_LOADING, true);
|
1017
|
this.control.updateState();
|
1018
|
},
|
1019
|
|
1020
|
counterDecrease: function (layer) {
|
1021
|
this.control.LAYERS_LOADING--;
|
1022
|
log(' > loading end : ' + this.layer.name + ' ' + this.control.LAYERS_LOADING, true);
|
1023
|
this.control.updateState();
|
1024
|
},
|
1025
|
|
1026
|
draw: function () {
|
1027
|
|
1028
|
// call the default draw function to initialize this.div
|
1029
|
OpenLayers.Control.prototype.draw.apply(this, arguments);
|
1030
|
|
1031
|
this.map.events.register('updatesize', this, function(e){
|
1032
|
this.updateSize();
|
1033
|
}
|
1034
|
);
|
1035
|
|
1036
|
var loadingIcon = document.createElement("i");
|
1037
|
var fa_class = document.createAttribute("class");
|
1038
|
// fa-circle-o-notch fa-spin
|
1039
|
// fa-spinner fa-pulse
|
1040
|
// fa-refresh
|
1041
|
fa_class.value = "fa fa-refresh fa-spin fa-5x";
|
1042
|
loadingIcon.attributes.setNamedItem(fa_class);
|
1043
|
|
1044
|
this.updateSize();
|
1045
|
|
1046
|
this.div.appendChild(loadingIcon);
|
1047
|
|
1048
|
this.registerEvents();
|
1049
|
|
1050
|
return this.div;
|
1051
|
},
|
1052
|
|
1053
|
registerEvents: function() {
|
1054
|
|
1055
|
this.map.events.register('preaddlayer', this, function(e){
|
1056
|
console.log(" > preaddlayer " + e.layer.name);
|
1057
|
e.layer.events.register('loadstart', {control: this, layer: e.layer}, this.counterIncrease);
|
1058
|
e.layer.events.register('loadend', {control: this, layer: e.layer}, this.counterDecrease);
|
1059
|
});
|
1060
|
}
|
1061
|
|
1062
|
});
|
1063
|
|
1064
|
return control;
|
1065
|
}
|
1066
|
|
1067
|
}; // end of CdmOpenLayers.Map
|
1068
|
})();
|
1069
|
|
1070
|
|
1071
|
|
1072
|
|
1073
|
|
1074
|
|
1075
|
|
1076
|
|
1077
|
|