// sjcObjects.js
// Copyright (C) 2005 San Joaquin County Community Development Geographic Information Systems, ALL RIGHTS RESERVED
// initial creation: 01/14/2004 David Bollinger
//
//====================
com = new function() {
//====================
//-----------
// properties
//-----------
this.bOkToSend = true;
this.sXMLHeader = '';
this.fnReceive = null;
//--------
// methods
//--------
this.getPostForm = function() {
if (log.enabled) log.trace('com.getPostForm');
return parent.PostFrame.document.forms[0];
}
this.hideSplashes = function() {
if (log.enabled) log.trace('com.hideSplashes');
hideRetrieveMap();
hideRetrieveData();
}
this.send = function(sURL,sXML,fnReceive) {
if (log.enabled) {
log.trace('com.send');
log.dump('url: ' + sURL + '\nxml: ' + sXML);
}
var frm = this.getPostForm();
if (frm) {
if (this.bOkToSend) {
this.bOkToSend = false;
frm.action = sURL + "&ClientVersion=4.0&Form=True&Encode=False";
frm.ArcXMLRequest.value = this.sXMLHeader + sXML;
frm.RedirectURL.value = "";
frm.FormCharset.value = "ISO-8859-1";
frm.BgColor.value = "#000000";
frm.JavaScriptFunction.value = "parent.MapFrame.com.receive";
this.fnReceive = fnReceive;
if (!this.fnReceive)
log.mark('ERROR: fnReceive is null');
frm.submit();
} else {
alert('Still awaiting response from last map request, please wait, then try again.');
this.hideSplashes();
}
} else {
alert('Unable to communicate with server. Try reloading this page.');
this.hideSplashes();
}
}
this.receive = function(sXML) {
if (log.enabled) {
log.trace('com.receive');
log.dump('xml: ' + sXML.replace(/>/g, '>\n'));
}
this.bOkToSend = true;
var sError = getXMLErrorMessage(sXML);
if (sError != '') {
alert('ERROR: ' + sError);
} else {
if (this.fnReceive) {
this.fnReceive(sXML);
} else {
// alert('Internal Error: No receiving function has been set, please contact webmaster.');
// this error can occur if viewer is refreshed with prior content in the post form, ignore for now
}
}
}
this.generatePostFrame = function(win) {
if (!win) return;
var doc = win.document;
if (!doc) return;
doc.open();
doc.writeln('');
doc.writeln('');
doc.writeln('');
doc.writeln(' Default Form');
doc.writeln(' ');
doc.writeln('');
doc.writeln('');
doc.writeln(' ');
doc.writeln('
');
doc.writeln('');
doc.writeln('');
doc.close();
}
}
//====================
log = new function() {
//====================
//-----------
// properties
//-----------
this.enabled = false;
this.win = null;
this.doc = null;
//--------
// methods
//--------
this.enable = function() {
this.win = window.open('','LOG','width=400,height=300,resizable=yes,scrollbars=yes');
if (!this.win) return; // popup probably blocked
this.doc = this.win.document;
if (!this.doc) return; // unexpected error
this.doc.open();
this.doc.write('LOG');
this.enabled = true;
}
this.disable = function() {
this.enabled = false;
if (this.doc) this.doc.close();
this.doc = null;
if (this.win) this.win.close();
this.win = null;
}
this.alert = function(msg) {
if (this.enabled) {
msg = msg || '';
window.alert(msg);
}
}
this.dump = function(msg) {
if (this.enabled) {
msg = msg || '';
msg = msg.replace(/&/g, '&');
msg = msg.replace(/'/g, ''');
msg = msg.replace(/>/g, '>');
msg = msg.replace(/' + msg + '');
this.line();
}
}
this.line = function() {
if (this.enabled) {
this.doc.write('
');
}
}
this.mark = function(msg) {
if (this.enabled) {
msg = msg || '';
this.doc.write('MARK: ' + msg + '
');
}
}
this.trace = function(msg) {
if (this.enabled) {
msg = msg || '';
msg = msg.replace(/\n/g, '
');
this.doc.write('TRACE: ' + msg + '
');
this.line();
}
}
this.extent = function() {
var msg = 't.doZoomEnvelope( ' + parseInt(extent.minx) + ',' + parseInt(extent.miny) + ',' + parseInt(extent.maxx) + ',' + parseInt(extent.maxy) + ' );
';
this.doc.write(msg);
this.line();
}
}
//======================================
function ENVELOPE(minx,miny,maxx,maxy) {
//======================================
this.calc = function() {
this.width = Math.abs(this.maxx - this.minx);
this.height = Math.abs(this.maxy - this.miny);
}
this.set = function(minx,miny,maxx,maxy) {
this.minx = minx || 0;
this.miny = miny || 0;
this.maxx = maxx || 0;
this.maxy = maxy || 0;
this.calc();
}
this.setfrom = function(env) {
this.minx = env.minx;
this.miny = env.miny;
this.maxx = env.maxx;
this.maxy = env.maxy;
this.calc();
}
this.inset = function(dx,dy) {
this.minx += dx;
this.maxx -= dx;
this.miny += dy;
this.maxy -= dy;
}
this.move = function(dx,dy) {
this.minx += dx;
this.maxx += dx;
this.miny += dy;
this.maxy += dy;
}
this.scale = function(factor) {
var cx = (this.minx + this.maxx) / 2.0;
var cy = (this.miny + this.maxy) / 2.0;
this.width *= factor;
this.height *= factor;
this.minx = cx - (this.width / 2.0);
this.maxx = cx + (this.width / 2.0);
this.miny = cy - (this.height / 2.0);
this.maxy = cy + (this.height / 2.0);
}
this.loadXML = function(sXML) {
this.minx = s2n(getTagAttValue(sXML, 'ENVELOPE', 'minx', '0'));
this.miny = s2n(getTagAttValue(sXML, 'ENVELOPE', 'miny', '0'));
this.maxx = s2n(getTagAttValue(sXML, 'ENVELOPE', 'maxx', '0'));
this.maxy = s2n(getTagAttValue(sXML, 'ENVELOPE', 'maxy', '0'));
this.calc();
}
this.asXML = function() {
var sXML = '';
return sXML;
}
this.set(minx,miny,maxx,maxy);
return this;
}
extent = new ENVELOPE();
lastextent = new ENVELOPE();
fullextent = new ENVELOPE();
ovextent = new ENVELOPE();
//====================
map = new function() {
//====================
//-----------
// properties
//-----------
//--------
// methods
//--------
this.request = function() {
log.trace('map.request');
showRetrieveMap();
var sXML = this.asXML();
com.send(imsURL, sXML, map.receive);
}
this.receive = function(sXML) {
log.trace('map.receive');
var sURL = getTagAttValue(sXML, 'OUTPUT', 'url', '');
if (sURL != "") {
extent.loadXML(sXML);
calcScaleFactor();
document.theImage.src = sURL;
}
legend.receive(sXML);
if (ovmap.visible) {
putExtentOnOVMap();
}
hideRetrieveMap();
}
this.asXML = function() {
calcScaleFactor();
var sXML = '\n\n\n\n';
sXML += extent.asXML();
sXML += '\n';
sXML += layers.asXML();
sXML += legend.asXML();
sXML += '\n';
sXML += select.asXML();
sXML += northarrow.asXML();
sXML += scalebar.asXML();
sXML += '\n\n';
return sXML
}
}
//=======================
layers = new function() {
//=======================
//-----------
// properties
//-----------
this.active = null;
this.items = new Array();
//--------
// methods
//--------
this.clear = function() {
this.items.length = 0;
this.length = 0;
}
this.add = function(itm) {
this.items[this.items.length] = itm;
}
this.get = function(n) {
return this.items[n];
}
this.reverse = function() {
this.items.reverse();
for (var i=0, n=this.items.length; i\n';
}
sXML += '\n';
return sXML;
}
this.parse = function(sXML) {
this.clear();
var lipos = 0;
var sLayerInfo = getTagValue(sXML, lipos, '= 0) this.setActive(idx);
}
}
//=======================
select = new function() {
//=======================
//-----------
// properties
//-----------
this.count = 0;
this.whereclause = '';
//--------
// methods
//--------
this.clear = function() {
this.count = 0;
this.whereclause = '';
}
this.asXML = function() {
var sXML = '';
if (this.whereclause == '') return sXML;
if (layers.active.visible==0) return sXML;
if ((mapScaleFactorlayers.active.maxscale)) return sXML;
sXML +='\n';
sXML +='\n';
sXML +='\n';
sXML +='\n';
switch( layers.active.type ) {
case 'point' : sXML +='\n'; break;
case 'line' : sXML +='\n'; break;
case 'polygon': sXML +='\n'; break;
}
sXML +='\n';
sXML +='\n';
return sXML;
}
}
//=======================
legend = new function() {
//=======================
//-----------
// properties
//-----------
this.visible = false;
this.width = 170;
this.height = 300;
this.imageurl = '';
this.nomapflag = false;
this.bkgndcolor = '216,224,216';
//--------
// methods
//--------
this.setSize = function(w,h) {
log.trace('legend.setSize');
this.width = w;
this.height = h;
}
// there is no legend.request, use map.request instead
// legend.receive is called by map.receive
this.receive = function(sXML) {
log.trace('legend.receive');
this.imageurl = getTagAttValue(sXML, 'LEGEND', 'url', this.imageurl);
if (this.visible) {
this.display();
}
}
this.whitebkgnd = function() {
this.bkgndcolor = '255,255,255';
}
this.colorbkgnd = function() {
this.bkgndcolor = '216,224,216';
}
this.asXML = function() {
log.trace('legend.asXML');
var sXML = '\n';
if (this.nomapflag) {
sXML += '\n';
this.nomapflag = false;
}
return sXML;
}
this.display = function() {
log.trace('legend.display');
parent.TabBarFrame.pressTab('legend');
}
}
//======================
ovmap = new function() {
//======================
this.visible = false;
this.asXML = function(bDrawExtentBox) {
var sXML =
'\n' +
' \n' +
' \n' +
' \n';
if (ovextent.width > 0)
sXML += ovextent.asXML();
sXML +=
' \n' +
' \n';
if (bDrawExtentBox) {
var eLeft = extent.minx;
var eBottom = extent.miny;
var eRight = extent.maxx;
var eTop = extent.maxy;
sXML +=
'\n' +
' \n' +
'\n';
}
sXML +=
' \n' +
' \n' +
'';
return sXML;
}
}
//===========================
northarrow = new function() {
//===========================
this.asXML = function() {
var sXML =
'\n' +
' \n' +
'\n';
return sXML;
}
}
//=========================
scalebar = new function() {
//=========================
this.asXML = function() {
var scaleunits = (mapScaleFactor < 10) ? 'feet' : 'miles';
var sXML =
'\n' +
' \n' +
'\n';
return sXML;
}
}