1
|
<!doctype html public "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd">
|
2
|
<html>
|
3
|
<head>
|
4
|
<title>
|
5
|
<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 Overview
|
6
|
</title>
|
7
|
<link rel ="stylesheet" type="text/css" href="stylesheet.css" title="Style">
|
8
|
<script>
|
9
|
function asd() {
|
10
|
|
11
|
parent.document.title="GeoRSS.js Overview";
|
12
|
|
13
|
}
|
14
|
</script>
|
15
|
</head>
|
16
|
<body bgcolor="white" onload="asd();">
|
17
|
|
18
|
<!-- ========== START OF NAVBAR ========== -->
|
19
|
<a name="navbar_top"><!-- --></a>
|
20
|
<table border="0" width="100%" cellpadding="1" cellspacing="0">
|
21
|
<tr>
|
22
|
<td colspan=2 bgcolor="#EEEEFF" class="NavBarCell1">
|
23
|
<a name="navbar_top_firstrow"><!-- --></a>
|
24
|
<table border="0" cellpadding="0" cellspacing="3">
|
25
|
<tr align="center" valign="top">
|
26
|
|
27
|
|
28
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-summary.html"><font class="NavBarFont1"><b>Overview</b></font></a> </td>
|
29
|
<td bgcolor="#FFFFFF" class="NavBarCell1Rev"> <font class="NavBarFont1Rev"><b>File</b></font> </td>
|
30
|
|
31
|
|
32
|
<td bgcolor="#FFFFFF" class="NavBarCell1"> <font class="NavBarFont1">Class</font> </td>
|
33
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-tree.html"><font class="NavBarFont1"><b>Tree</b></font></a> </td>
|
34
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="index-all.html"--><font class="NavBarFont1"><b>Index</b></font></a> </td>
|
35
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="help-doc.html"><font class="NavBarFont1"><b>Help</b></font></a> </td>
|
36
|
</tr>
|
37
|
</table>
|
38
|
</td>
|
39
|
<td bgcolor="#EEEEFF" align="right" valign="top">
|
40
|
<em>
|
41
|
<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
|
42
|
</td>
|
43
|
</tr>
|
44
|
|
45
|
<tr>
|
46
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
47
|
PREV
|
48
|
NEXT</font></td>
|
49
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
50
|
<a href="index.html" target="_top"><b>FRAMES</b></a>
|
51
|
<a href="overview-summary.html" target="_top"><b>NO FRAMES</b></a>
|
52
|
|
53
|
<script>
|
54
|
<!--
|
55
|
if(window==top) {
|
56
|
document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
|
57
|
}
|
58
|
//-->
|
59
|
</script>
|
60
|
<noscript>
|
61
|
<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
|
62
|
</noscript>
|
63
|
</font></td>
|
64
|
</tr>
|
65
|
</table>
|
66
|
<!-- =========== END OF NAVBAR =========== -->
|
67
|
|
68
|
<hr>
|
69
|
<center>
|
70
|
|
71
|
<h2>GeoRSS.js</h2>
|
72
|
|
73
|
</center>
|
74
|
|
75
|
|
76
|
|
77
|
|
78
|
<h4>Summary</h4>
|
79
|
<p>
|
80
|
|
81
|
No overview generated for 'GeoRSS.js'<BR/><BR/>
|
82
|
|
83
|
</p>
|
84
|
|
85
|
<hr>
|
86
|
|
87
|
|
88
|
<table border="1" cellpadding="3" cellspacing="0" width="100%">
|
89
|
<tr bgcolor="#CCCCFF" class="TableHeadingColor">
|
90
|
<td colspan=2><font size="+2">
|
91
|
|
92
|
<b>Class Summary</b>
|
93
|
|
94
|
</font></td>
|
95
|
</tr>
|
96
|
|
97
|
<tr bgcolor="white" class="TableRowColor">
|
98
|
<td width="15%"><b><a href="GeoRSS.html">GeoRSS</a></b></td>
|
99
|
<td> </td>
|
100
|
</tr>
|
101
|
|
102
|
</table>
|
103
|
<hr/>
|
104
|
|
105
|
|
106
|
<!-- ========== METHOD SUMMARY =========== -->
|
107
|
|
108
|
<!-- ========== END METHOD SUMMARY =========== -->
|
109
|
|
110
|
|
111
|
<pre class="sourceview"><span class="comment">/*
|
112
|
License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
|
113
|
$Id: GeoRSS.js 3882 2008-02-27 15:41:33Z gjvoosten $
|
114
|
*/</span>
|
115
|
<span class="comment">
|
116
|
// Ensure this object's dependancies are loaded.</span>
|
117
|
mapbuilder.loadScript(baseDir+<span class="literal">"/model/ModelBase.js"</span>);
|
118
|
|
119
|
<span class="comment">/**
|
120
|
* Stores a GML Feature or FeatureCollection as defined by the
|
121
|
* Open Geospatial Consortium (http://www.opengeospatial.org/).
|
122
|
*
|
123
|
* WARNING: This model is only to be used if you do not want to embed the GeoRSS feed
|
124
|
* in the context doc. See also MAP-271
|
125
|
* <span class="attrib">@deprecated</span>
|
126
|
* <span class="attrib">@constructor</span>
|
127
|
* <span class="attrib">@base</span> ModelBase
|
128
|
* <span class="attrib">@author</span> Cameron Shorter
|
129
|
* <span class="attrib">@requires</span> Sarissa
|
130
|
* <span class="attrib">@param</span> modelNode The model's XML object node from the configuration document.
|
131
|
* <span class="attrib">@param</span> parent The parent model for the object.
|
132
|
*/</span>
|
133
|
<span class="reserved">function</span> GeoRSS(modelNode, parent) {
|
134
|
<span class="comment"> // Inherit the ModelBase functions and parameters</span>
|
135
|
ModelBase.apply(<span class="reserved">this</span>, new Array(modelNode, parent));
|
136
|
|
137
|
<span class="comment">/** init
|
138
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
139
|
*/</span>
|
140
|
<span class="reserved">this</span>.initItems = <span class="reserved">function</span>(objRef) {
|
141
|
var items = objRef.doc.selectNodes(<span class="literal">"rdf:RDF/rss:item"</span>);
|
142
|
<span class="reserved">if</span>( items.length == 0 ) {
|
143
|
items = objRef.doc.selectNodes(<span class="literal">"atom:feed/atom:entry"</span>);
|
144
|
}
|
145
|
|
146
|
<span class="reserved">for</span> (var i=0; i<items.length; ++i) {
|
147
|
var item = items[i];
|
148
|
item.setAttribute(<span class="literal">"divid"</span>, <span class="literal">"RSS_Item_"</span>+mbIds.getId());
|
149
|
}
|
150
|
}
|
151
|
<span class="comment"> // OBE this.addFirstListener("loadModel",this.initItems,this);</span>
|
152
|
|
153
|
<span class="comment">/**
|
154
|
* Returns the list of nodes selected by the nodeSelectpath
|
155
|
* <span class="attrib">@return</span> list of nodes selected
|
156
|
*/</span>
|
157
|
<span class="reserved">this</span>.getFeatureNodes = <span class="reserved">function</span>() {
|
158
|
<span class="reserved">return</span> <span class="reserved">this</span>.doc.selectNodes(<span class="reserved">this</span>.nodeSelectXpath);
|
159
|
}
|
160
|
|
161
|
<span class="comment">/**
|
162
|
* Returns a label for a node in the feature list
|
163
|
* <span class="attrib">@param</span> featureNode the feature node to selectfrom
|
164
|
* <span class="attrib">@return</span> a label for this feature
|
165
|
*/</span>
|
166
|
<span class="reserved">this</span>.getFeatureName = <span class="reserved">function</span>(featureNode) {
|
167
|
var labelNode = featureNode.selectSingleNode(<span class="literal">"rss:title"</span>);
|
168
|
<span class="reserved">if</span>( labelNode == null )
|
169
|
labelNode = featureNode.selectSingleNode(<span class="literal">"atom:title"</span>);
|
170
|
<span class="reserved">return</span> labelNode?getNodeValue(labelNode):mbGetMessage(<span class="literal">"noRssTitle"</span>);
|
171
|
}
|
172
|
|
173
|
<span class="comment">/**
|
174
|
* Returns an ID value for a node in the feature list
|
175
|
* <span class="attrib">@param</span> featureNode the feature node to selectfrom
|
176
|
* <span class="attrib">@return</span> ID for this feature
|
177
|
*/</span>
|
178
|
<span class="reserved">this</span>.getFeatureId = <span class="reserved">function</span>(featureNode) {
|
179
|
var id = featureNode.getAttribute(<span class="literal">"divid"</span>)
|
180
|
<span class="reserved">if</span>( id )
|
181
|
<span class="reserved">return</span> id;
|
182
|
|
183
|
<span class="reserved">return</span> <span class="literal">"no_id"</span>;
|
184
|
}
|
185
|
|
186
|
<span class="comment">/**
|
187
|
* Returns a point geometry for the feature
|
188
|
* <span class="attrib">@param</span> featureNode the feature node to select from
|
189
|
* <span class="attrib">@return</span> the geometric point for the node
|
190
|
*/</span>
|
191
|
<span class="reserved">this</span>.getFeaturePoint = <span class="reserved">function</span>(featureNode) {
|
192
|
<span class="reserved">if</span> (featureNode.selectSingleNode(<span class="literal">"geo:long"</span>)) {
|
193
|
var pointX = getNodeValue(featureNode.selectSingleNode(<span class="literal">"geo:long"</span>));
|
194
|
var pointY = getNodeValue(featureNode.selectSingleNode(<span class="literal">"geo:lat"</span>));
|
195
|
<span class="reserved">return</span> new Array(pointX, pointY);
|
196
|
} <span class="reserved">else</span> {
|
197
|
var pos = featureNode.selectSingleNode(<span class="literal">"georss:where/gml:Point/gml:pos"</span>)
|
198
|
<span class="reserved">if</span>( pos != null ) {
|
199
|
var coordstr = getNodeValue(pos);
|
200
|
<span class="comment"> //alert("coords:"+coordstr );</span>
|
201
|
var coords = coordstr.split(<span class="literal">" "</span>)
|
202
|
var pointX = coords[0]
|
203
|
var pointY = coords[1]
|
204
|
<span class="reserved">return</span> new Array(pointX, pointY);
|
205
|
} <span class="reserved">else</span> {
|
206
|
<span class="reserved">return</span> new Array(0,0); //or some other error to <span class="reserved">return</span>?
|
207
|
}
|
208
|
}
|
209
|
}
|
210
|
|
211
|
<span class="comment">/**
|
212
|
* Returns the geometry for the feature
|
213
|
* <span class="attrib">@param</span> featureNode the feature node to select from
|
214
|
* <span class="attrib">@return</span> the geometric point for the node
|
215
|
*/</span>
|
216
|
<span class="reserved">this</span>.getFeatureGeometry = <span class="reserved">function</span>(featureNode) {
|
217
|
<span class="reserved">if</span> (featureNode.selectSingleNode(<span class="literal">"geo:long"</span>)) {
|
218
|
var pointX = getNodeValue(featureNode.selectSingleNode(<span class="literal">"geo:long"</span>));
|
219
|
var pointY = getNodeValue(featureNode.selectSingleNode(<span class="literal">"geo:lat"</span>));
|
220
|
<span class="reserved">return</span> <span class="literal">"POINT "</span> + pointX + <span class="literal">","</span> + pointY;
|
221
|
}
|
222
|
|
223
|
var pos = featureNode.selectSingleNode(<span class="literal">"georss:where/gml:Point/gml:pos"</span>)
|
224
|
<span class="reserved">if</span>( pos != null ) {
|
225
|
var coordstr = getNodeValue(pos);
|
226
|
<span class="reserved">return</span> <span class="literal">"POINT "</span> + coordstr;
|
227
|
}
|
228
|
|
229
|
var posList = featureNode.selectSingleNode(<span class="literal">"georss:where/gml:LineString/gml:posList"</span>)
|
230
|
<span class="reserved">if</span>( posList != null ) { //WARNING: could overflow so get all nodes
|
231
|
var children = posList.childNodes;
|
232
|
var count = children.length;
|
233
|
var text=<span class="literal">""</span>;
|
234
|
<span class="reserved">for</span>( var i=0; i<count; i++ ) {
|
235
|
text += children[i].nodeValue;
|
236
|
}
|
237
|
<span class="comment"> //alert("count:"+ count + " length:"+text.length)</span>
|
238
|
|
239
|
<span class="reserved">return</span> <span class="literal">"LINESTRING "</span> + text;
|
240
|
}
|
241
|
|
242
|
var posList = featureNode.selectSingleNode(<span class="literal">"georss:where/gml:Polygon/gml:exterior/gml:LinearRing"</span>)
|
243
|
<span class="reserved">if</span>( posList != null ) {
|
244
|
var coordstr = getNodeValue(posList);
|
245
|
<span class="reserved">return</span> <span class="literal">"POLYGON "</span> + coordstr;
|
246
|
}
|
247
|
|
248
|
alert(mbGetMessage(<span class="literal">"invalidGmlGeom"</span>));
|
249
|
<span class="reserved">return</span> null
|
250
|
}
|
251
|
|
252
|
<span class="comment">/**
|
253
|
* Get the GML Node out of the RSS feed
|
254
|
*/</span>
|
255
|
<span class="reserved">this</span>.getFeatureGml = <span class="reserved">function</span>(featureNode) {
|
256
|
var where = featureNode.selectSingleNode(<span class="literal">"georss:where"</span>)
|
257
|
<span class="reserved">if</span>( where != null ) {
|
258
|
var gml = where.firstChild;
|
259
|
<span class="reserved">return</span> gml;
|
260
|
} <span class="reserved">else</span> {
|
261
|
<span class="reserved">return</span> null;
|
262
|
}
|
263
|
}
|
264
|
|
265
|
|
266
|
<span class="comment">/**
|
267
|
* Returns a specific icon for that entry
|
268
|
* <span class="attrib">@param</span> featureNode the feature node to select from
|
269
|
* <span class="attrib">@return</span> the geometric point for the node
|
270
|
*/</span>
|
271
|
<span class="reserved">this</span>.getFeatureIcon = <span class="reserved">function</span>( featureNode ) {
|
272
|
<span class="reserved">if</span>( featureNode == null )
|
273
|
<span class="reserved">return</span> null;
|
274
|
<span class="comment">
|
275
|
// look for an icon tag</span>
|
276
|
var icon = featureNode.selectSingleNode(<span class="literal">"atom:icon"</span>);
|
277
|
<span class="reserved">if</span> (icon != undefined) {
|
278
|
<span class="reserved">return</span> getNodeValue(icon);
|
279
|
} <span class="reserved">else</span> {
|
280
|
<span class="reserved">return</span> null;
|
281
|
}
|
282
|
}
|
283
|
}
|
284
|
|
285
|
</pre>
|
286
|
<hr>
|
287
|
|
288
|
|
289
|
|
290
|
<!-- ========== START OF NAVBAR ========== -->
|
291
|
<a name="navbar_top"><!-- --></a>
|
292
|
<table border="0" width="100%" cellpadding="1" cellspacing="0">
|
293
|
<tr>
|
294
|
<td colspan=2 bgcolor="#EEEEFF" class="NavBarCell1">
|
295
|
<a name="navbar_top_firstrow"><!-- --></a>
|
296
|
<table border="0" cellpadding="0" cellspacing="3">
|
297
|
<tr align="center" valign="top">
|
298
|
|
299
|
|
300
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-summary.html"><font class="NavBarFont1"><b>Overview</b></font></a> </td>
|
301
|
<td bgcolor="#FFFFFF" class="NavBarCell1Rev"> <font class="NavBarFont1Rev"><b>File</b></font> </td>
|
302
|
|
303
|
|
304
|
<td bgcolor="#FFFFFF" class="NavBarCell1"> <font class="NavBarFont1">Class</font> </td>
|
305
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-tree.html"><font class="NavBarFont1"><b>Tree</b></font></a> </td>
|
306
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="index-all.html"--><font class="NavBarFont1"><b>Index</b></font></a> </td>
|
307
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="help-doc.html"><font class="NavBarFont1"><b>Help</b></font></a> </td>
|
308
|
</tr>
|
309
|
</table>
|
310
|
</td>
|
311
|
<td bgcolor="#EEEEFF" align="right" valign="top"><em>
|
312
|
<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
|
313
|
</td>
|
314
|
</tr>
|
315
|
|
316
|
<tr>
|
317
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
318
|
PREV
|
319
|
NEXT</font></td>
|
320
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
321
|
<a href="index.html" target="_top"><b>FRAMES</b></a>
|
322
|
<a href="overview-summary.html" target="_top"><b>NO FRAMES</b></a>
|
323
|
|
324
|
<script>
|
325
|
<!--
|
326
|
if(window==top) {
|
327
|
document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
|
328
|
}
|
329
|
//-->
|
330
|
</script>
|
331
|
<noscript>
|
332
|
<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
|
333
|
</noscript>
|
334
|
</font></td>
|
335
|
</tr>
|
336
|
</table>
|
337
|
<!-- =========== END OF NAVBAR =========== -->
|
338
|
|
339
|
<hr>
|
340
|
<font size="-1">
|
341
|
|
342
|
</font>
|
343
|
<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Sun Apr 27 20:30:54 2008</div>
|
344
|
</body>
|
345
|
</html>
|