// sjcDatalink.js
// Copyright (C) 2005 San Joaquin County Community Development Geographic Information Systems, ALL RIGHTS RESERVED
// initial creation: 01/14/2004 David Bollinger
//
// db Identify - external db access
//
function requestIdentify(e) {
select.clear();
getMapXY(mouse.x, mouse.y);
var pixelTolerance = 2;
var searchTolerance = (extent.width/iWidth) * pixelTolerance;
var minx = mapX - searchTolerance;
var miny = mapY - searchTolerance;
var maxx = mapX + searchTolerance;
var maxy = mapY + searchTolerance;
var sXML =
'\n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
'';
showRetrieveData();
com.send(imsQueryURL, sXML, receiveIdentify);
}
// get the attribute values from the identify XML response
// then send request to external db access server
// and request for map highlighting feature
//
function receiveIdentify(sXML) {
var featureCount = parseInt(getTagAttValue(sXML,'FEATURECOUNT','count','0'));
if (featureCount > 0) {
// retrieve key and #id#
var keyvalue = getTagAttValue(sXML, 'FIELDS', 'APN_CHR', '');
var idvalue = getTagAttValue(sXML, 'FIELDS', '#ID#', '');
// query database for key
doQueryExecuteDetails(keyvalue);
// highlight map for #id#
select.whereclause = layers.active.idfield + " = " + idvalue;
map.request();
} else {
var Win1;
Win1 = parent.TextFrame.document;
Win1.open();
Win1.writeln('');
Win1.writeln(' Select/Identify Results');
Win1.writeln('');
Win1.writeln('');
Win1.writeln('' + layers.active.name + '');
Win1.writeln('
Unable to locate feature. Try zooming in to pinpoint feature.');
Win1.writeln('');
Win1.close();
}
hideRetrieveData();
}
function doSelectResult(value) {
showRetrieveData();
doQueryExecuteDetails(value);
requestEnvelopeByApn(value);
}
function doQueryExecuteDetails(value) {
var fra = parent.TextFrame;
fra.document.location = appDir + "QueryExecuteDetails.asp?apn=" + value;
}
function requestEnvelopeByApn(value) {
select.clear();
select.whereclause = 'APN = ' + value;
hideRetrieveData();
var sXML =
'\n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
' \n' +
'';
showRetrieveData();
com.send(imsQueryURL, sXML, receiveEnvelopeByApn);
}
function receiveEnvelopeByApn(sXML) {
hideRetrieveData();
//var theError = getXMLErrorMessage(sXML);
var featureCount = parseInt(getTagAttValue(sXML,'FEATURECOUNT','count','0'));
if (featureCount < 1) {
hideRetrieveData();
hideRetrieveMap();
alert("Could not locate specified parcel within map data, unable to zoom to map.\r\n\r\n" +
"This may represent an error in either the map data or the textual data.\r\n\r\n" +
"Please contact GIS staff so that this parcel can be researched further." );
return;
}
// note that we assume there is only a single feature returned
var idValue = getTagAttValue(sXML,'FIELDS','#ID#','');
select.whereclause = layers.active.idfield + " = " + idValue;
saveLastExtent();
extent.loadXML(sXML);
var mWMargin = 0;
var mHMargin = 0;
if (layers.active.type == "point") {
mWMargin = fullextent.width * (25/1000);
mHMargin = fullextent.height * (25/1000);
} else {
mWMargin = extent.width * (150/100);
mHMargin = extent.height * (150/100);
}
extent.inset(-mWMargin, -mHMargin);
map.request();
}