forked from planetfederal/gxp
-
Notifications
You must be signed in to change notification settings - Fork 3
/
GeoNodeSource.js
270 lines (218 loc) · 9.26 KB
/
GeoNodeSource.js
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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
/**
* Created by PyCharm.
* User: mbertrand
* Date: 9/20/11
* Time: 7:56 PM
* To change this template use File | Settings | File Templates.
*/
Ext.namespace("gxp.plugins");
gxp.plugins.GeoNodeSource = Ext.extend(gxp.plugins.WMSSource, {
/** api: ptype = gxp_gnsource */
ptype: "gxp_gnsource",
/** api: config[url]
* ``String`` WMS service URL for this source
*/
/** api: config[baseParams]
* ``Object`` Base parameters to use on the WMS GetCapabilities
* request.
*/
baseParams: null,
title: 'GeoNode Source',
/** i18n */
noCompatibleSRSTitle: "Warning",
noCompatibleSRSText: "This layer cannot be added to the map since it is not available in any projection that is compatible with the map projection",
/** private: property[format]
* ``OpenLayers.Format`` Optional custom format to use on the
* WMSCapabilitiesStore store instead of the default.
*/
format: null,
/** private: property[describedLayers]
*/
describedLayers: null,
/** private: property[schemaCache]
*/
schemaCache: null,
url: null,
/** api: method[createLayerRecord]
* :arg config: ``Object`` The application config for this layer.
* :returns: ``GeoExt.data.LayerRecord``
*
* Create a layer record given the config.
*/
createLayerRecord: function(config) {
var record;
if (config['llbbox']) {
this.url = config.url.replace(/https?:/,window.location.protocol);
/**
* TODO: The WMSCapabilitiesReader should allow for creation
* of layers in different SRS.
*/
var projection = this.getMapProjection();
var maxExtent =
OpenLayers.Bounds.fromArray(config['llbbox']).transform(new OpenLayers.Projection("EPSG:4326"), projection);
// make sure maxExtent is valid (transform does not succeed for all llbbox)
if (!(1 / maxExtent.getHeight() > 0) || !(1 / maxExtent.getWidth() > 0)) {
// maxExtent has infinite or non-numeric width or height
// in this case, the map maxExtent must be specified in the config
maxExtent = undefined;
}
var params = {
STYLES: config.styles,
FORMAT: config.format,
TRANSPARENT: ("transparent" in config) ? config.transparent : true,
LAYERS: config.name,
EXCEPTIONS: 'application/vnd.ogc.se_inimage',
VERSION: '1.1.1',
SERVICE: 'WMS',
REQUEST: 'GetMap',
LLBBOX: config['llbbox'],
URL: this.url
};
if ("cql_filter" in config ) {
params['CQL_FILTER'] = config['cql_filter'];
}
if(!config.local){
var layer = new OpenLayers.Layer.OSM(
config.title,
config.url,
{
isBaseLayer: false,
restrictedExtent: maxExtent,
visibility: ("visibility" in config) ? config.visibility : true,
opacity: ("opacity" in config) ? config.opacity : 1
}
);
}else{
var layer = new OpenLayers.Layer.WMS(
config.title,
this.url,
params, {
maxExtent: maxExtent,
restrictedExtent: maxExtent,
singleTile: ("tiled" in config) ? !config.tiled : false,
ratio: config.ratio || 1,
visibility: ("visibility" in config) ? config.visibility : true,
opacity: ("opacity" in config) ? config.opacity : 1,
buffer: ("buffer" in config) ? config.buffer : 1,
projection: projection
}
);
if (!("tiled" in config) || config.tiled === true) {
var tileWidth = config['tileWidth'] || 256;
var tileHeight = config['tileHeight'] || 256;
var tileResolutions = config['tileResolutions'] || [156543.03390625,78271.516953125,39135.7584765625,19567.87923828125,9783.939619140625,4891.9698095703125,2445.9849047851562,1222.9924523925781,611.4962261962891,305.74811309814453,152.87405654907226,76.43702827453613,38.218514137268066,19.109257068634033,9.554628534317017,4.777314267158508,2.388657133579254,1.194328566789627,0.5971642833948135,0.29858214169740677,0.14929107084870338,0.07464553542435169,0.037322767712175846,0.018661383856087923,0.009330691928043961,0.004665345964021981];
var originLon = config['tileOriginLon'] || -20037508.34;
var originLat = config['tileOriginLat'] || -20037508.34;
layer.addOptions({resolutions: tileResolutions,
tileSize: new OpenLayers.Size(tileWidth, tileHeight),
tileOrigin: new OpenLayers.LonLat(originLat, originLon)});
layer.params.TILED = true; // set to true when http://projects.opengeo.org/suite/ticket/1286 is closed
} else {
layer.params.TILED = false;
}
if (config.attributes){
layer.attributes = config.attributes;
}
};
// data for the new record
var data = {
'title': config.title,
'name': config.name,
'source': config.source,
'group': config.group,
'attributes': config.attributes,
'fixed': config.fixed,
'selected': "selected" in config ? config.selected : false,
'layer': layer,
'queryable': config.queryable,
'disabled': config.disabled,
'abstract': config['abstract'],
'styles': [config.styles],
'restUrl': this.restUrl,
'cql_filter': "cql_filter" in config ? config.cql_filter : '',
'getFeatureInfo': config.getFeatureInfo,
'detail_url': config.detail_url,
'local': config.local
};
// properties is different if local or not (hypermap)
if(config.local){
data['properties'] = "gxp_wmslayerpanel";
} else {
data['properties'] = "gxp_hhlayerpanel";
}
// add additional fields
var fields = [
{name: "title", type: "string"},
{name: "name", type: "string"},
{name: "source", type: "string"},
{name: "group", type: "string"},
{name: "attributes"}, //array
{name: "properties", type: "string"},
{name: "fixed", type: "boolean"},
{name: "selected", type: "boolean"},
{name: "queryable", type: "boolean"},
{name: 'disabled', type: 'boolean'},
{name: "abstract", type: "string"},
{name: "styles"}, //array
{name: "restUrl", type: "string"},
{name: "cql_filter", type: "string"},
{name: "getFeatureInfo"}
];
var Record = GeoExt.data.LayerRecord.create(fields);
record = new Record(data, layer.id);
return record;
}
},
/** private: method[initDescribeLayerStore]
* creates a WMSDescribeLayer store for layer descriptions of all layers
* created from this source.
*/
initDescribeLayerStore: function() {
var version = "1.1.1";
this.describeLayerStore = new GeoExt.data.WMSDescribeLayerStore({
url: this.url,
baseParams: {
VERSION: version,
REQUEST: "DescribeLayer"
}
});
},
/** api: method[createStore]
*
* Creates a store of layer records. Not necessary for this case.
*/
createStore: function() {
this.fireEvent("ready", this);
},
/** api: method[getConfigForRecord]
* :arg record: :class:`GeoExt.data.LayerRecord`
* :returns: ``Object``
*
* Create a config object that can be used to recreate the given record.
*/
getConfigForRecord: function(record) {
var config = gxp.plugins.WMSSource.superclass.getConfigForRecord.apply(this, arguments);
var layer = record.getLayer();
var params = layer.params;
config = Ext.apply(config, {
format: params.FORMAT,
styles: params.STYLES,
transparent: params.TRANSPARENT,
url: params.URL,
llbbox: params.LLBBOX
});
if ('CQL_FILTER' in params) {
Ext.apply(config, {
cql_filter: params.CQL_FILTER
});
}
config= Ext.apply(config, {
styles: params.STYLES,
tiled: params.TILED,
detail_url: record.data.detail_url,
local: record.data.local
});
return config;
}
});
Ext.preg(gxp.plugins.GeoNodeSource.prototype.ptype, gxp.plugins.GeoNodeSource);