|
1
|
/*
|
|
2
|
License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
|
|
3
|
Dependancies: Context
|
|
4
|
$Id$
|
|
5
|
*/
|
|
6
|
|
|
7
|
// Ensure this object's dependancies are loaded.
|
|
8
|
mapbuilder.loadScript(baseDir+"/tool/ButtonBase.js");
|
|
9
|
/**
|
|
10
|
* Builds then sends a WFS GetFeature GET request based on the WMC
|
|
11
|
* coordinates and click point.
|
|
12
|
* @constructor
|
|
13
|
* @base ButtonBase
|
|
14
|
* @author Cameron Shorter
|
|
15
|
* @param widgetNode The XML node in the Config file referencing this object.
|
|
16
|
* @param model The Context object which this tool is associated with.
|
|
17
|
*/
|
|
18
|
function WfsGetFeature(widgetNode, model) {
|
|
19
|
// Extend ButtonBase
|
|
20
|
ButtonBase.apply(this, new Array(widgetNode, model));
|
|
21
|
this.tolerance= widgetNode.selectSingleNode('mb:tolerance').firstChild.nodeValue;
|
|
22
|
this.typeName= widgetNode.selectSingleNode('mb:typeName').firstChild.nodeValue;
|
|
23
|
this.webServiceUrl= widgetNode.selectSingleNode('mb:webServiceUrl').firstChild.nodeValue;
|
|
24
|
this.httpPayload=new Object();
|
|
25
|
this.httpPayload.method="get";
|
|
26
|
this.httpPayload.postData=null;
|
|
27
|
this.trm=widgetNode.selectSingleNode("mb:transactionResponseModel").firstChild.nodeValue;
|
|
28
|
|
|
29
|
// override default cursor by user
|
|
30
|
// cursor can be changed by spefying a new cursor in config file
|
|
31
|
this.cursor = "pointer";
|
|
32
|
|
|
33
|
/**
|
|
34
|
* Open window with query info.
|
|
35
|
* This function is called when user clicks map with Query tool.
|
|
36
|
* @param objRef Pointer to this GetFeatureInfo object.
|
|
37
|
* @param targetNode The node for the enclosing HTML tag for this widget.
|
|
38
|
*/
|
|
39
|
this.doAction = function(objRef,targetNode) {
|
|
40
|
if (objRef.enabled) {
|
|
41
|
extent=objRef.targetModel.extent;
|
|
42
|
point=extent.getXY(targetNode.evpl);
|
|
43
|
xPixel=extent.res[0]*objRef.tolerance;
|
|
44
|
yPixel=extent.res[1]*objRef.tolerance;
|
|
45
|
bbox=(point[0]-xPixel)+","+(point[1]-yPixel)+","+(point[0]+xPixel)+","+(point[1]+yPixel);
|
|
46
|
objRef.httpPayload.url=objRef.webServiceUrl+"?request=GetFeature&typeName="+objRef.typeName+"&bbox="+bbox;
|
|
47
|
|
|
48
|
// Model that will be populated with the WFS response.
|
|
49
|
if (!objRef.transactionResponseModel){
|
|
50
|
objRef.transactionResponseModel=eval("config.objects."+objRef.trm);
|
|
51
|
//objRef.transactionResponseModel.addListener("loadModel",objRef.handleResponse, objRef);
|
|
52
|
}
|
|
53
|
objRef.transactionResponseModel.newRequest(objRef.transactionResponseModel,objRef.httpPayload);
|
|
54
|
}
|
|
55
|
}
|
|
56
|
|
|
57
|
|
|
58
|
/**
|
|
59
|
* Register for mouseUp events.
|
|
60
|
* @param objRef Pointer to this object.
|
|
61
|
*/
|
|
62
|
this.setMouseListener = function(objRef) {
|
|
63
|
if (objRef.mouseHandler) {
|
|
64
|
objRef.mouseHandler.model.addListener('mouseup',objRef.doAction,objRef);
|
|
65
|
}
|
|
66
|
objRef.context=objRef.widgetNode.selectSingleNode("mb:context");
|
|
67
|
if (objRef.context){
|
|
68
|
objRef.context=eval("config.objects."+objRef.context.firstChild.nodeValue);
|
|
69
|
}
|
|
70
|
}
|
|
71
|
config.addListener( "loadModel", this.setMouseListener, this );
|
|
72
|
}
|