/*
Copyright (c) 2009, Devel-Tech Inc., dti@develtech.ca
All rights reserved.
Redistribution and/or use in source and binary forms, with or without modification, 
are NOT permitted without the express written consent of Devel-Tech Inc. 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
function getBusRoutes() 
{
function createPolyline(pts,routenumber,link)
{
var polyline = new GPolyline(pts, "#006400", 2,1,{clickable:true});
GEvent.addListener(polyline,"click",function(point){
map.savePosition();
var htmlcode = "<table><tr><td><b>Route #"+routenumber+"</b></td></tr><tr><td>"+link+"</td></tr></table>";
map.openInfoWindowHtml(point,htmlcode);
for (var i = 0; i < current_routes.length; i++){
var matched = 1;
if (current_routes[i].getVertexCount() == polyline.getVertexCount())
{
for (var z = 0; z < current_routes[i].getVertexCount(); z++)
{
if (current_routes[i].getVertex(z).equals(polyline.getVertex(z)) == true){}else{ matched = 0;break;}
}
}else{ matched = 0;}
if (matched == 1){
selectedindex = i;
break;
}
}
polyline.setStrokeStyle({color:"#ff0000"});
});
bus_routes.push(polyline);
numbusroutes = numbusroutes + 1;
bus_routes_texts.push(routenumber+"&nbsp;&nbsp;"+link);
numbustexs = numbustexts + 1;
numbusroutes = numbusroutes + 1;
bus_routes_bounds.push(polyline.getBounds());
numrows_sw_ne = numrows_sw_ne + 1; 
}
if (window.XMLHttpRequest) 
{ 
var xmlhttp = new XMLHttpRequest();
var xmlhttp_sw_ne = new XMLHttpRequest();
xmlhttp.open('GET', './xmls/data_LatLng.csv', false);
xmlhttp.send(null);
var csv = xmlhttp.responseText;
numrowsbus = 0;
numbusroutes = 0;
numbustexts = 0;
bus_routes = new Array();
bus_routes_texts = new Array();
bus_routes_bounds = new Array();
var currentroute = "";
var currentlink = "";
var pts2 = new Array();
var lines=csv.split("#"); 
for(var n=0;n<lines.length-1;n++) 
{
var fields=lines[n].split(","); 
bus_lines[numrowsbus] = lines[n];
numrowsbus = numrowsbus + 1; 
if (fields[5] == currentroute){pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));}
else{
if (pts2.length > 0){createPolyline(pts2,currentroute,currentlink);}
currentroute = fields[5];
currentlink = fields[4];
pts2 = new Array();
pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));
}
}
if (pts2.length > 0){createPolyline(pts2,currentroute,currentlink);}
} 
else if (window.ActiveXObject) 
{ 
numrowsbus = 0;
numbustexts = 0;
numrows_sw_ne = 0;
xmlhttp=new ActiveXObject('Microsoft.XMLHTTP'); 
if (xmlhttp) 
{
xmlhttp.open('GET', './xmls/data_LatLng.csv', false);
xmlhttp.send();
var csv = xmlhttp.responseText;
numrowsbus = 0;
numbusroutes = 0;
numbustexts = 0;
bus_routes = new Array();
bus_routes_texts = new Array();
bus_routes_bounds = new Array();
var currentroute = "";
var currentlink = "";
var pts2 = new Array();
var lines=csv.split("#"); 
for(var n=0;n<lines.length-1;n++) 
{
var fields=lines[n].split(","); 
bus_lines[numrowsbus] = lines[n];
numrowsbus = numrowsbus + 1; 
if (fields[5] == currentroute){pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));}
else{
if (pts2.length > 0){createPolyline(pts2,currentroute,currentlink);}
currentroute = fields[5];
currentlink = fields[4];
pts2 = new Array();
pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));
}
}
if (pts2.length > 0){createPolyline(pts2,currentroute,currentlink);}
}
}
}
function showBusRoutesZoom(mapbounds)
{
if (map.getZoom() >= 13)
{
if (document.getElementById("Busroutesckb").checked == true)
{
if (bus_routes.length > 0){}else{ getBusRoutes();}
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
current_routes = new Array();
numcurrentroutes = -1;
for (var j = 0; j < numrows_sw_ne; j++)
{
var polylinebounds = bus_routes_bounds[j];
if (mapbounds.intersects(polylinebounds))
{
current_routes.push(bus_routes[j]);
numcurrentroutes++;
map.addOverlay(bus_routes[j]);
}
}
}
}else{
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
numcurrentroutes = -1;current_routes = new Array();
}
}
function showBusRoutes()
{
if (map.getZoom() >= 13)
{
if (document.getElementById("Busroutesckb").checked == true)
{ 
if (bus_routes.length > 0){}else{ getBusRoutes();}
var mapbounds = map.getBounds();
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
current_routes = new Array();
numcurrentroutes = -1;
for (var j = 0; j < numrows_sw_ne; j++)
{
var polylinebounds = bus_routes_bounds[j];
if (mapbounds.intersects(polylinebounds))
{
current_routes.push(bus_routes[j]);
numcurrentroutes++;
map.addOverlay(bus_routes[j]);
}
}
busroutesflag = 1;
}else{
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
numcurrentroutes = -1;current_routes = new Array();
busroutesflag = 0;
}
}else{
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
numcurrentroutes = -1;current_routes = new Array();
busroutesflag = 0;
}
}
function getBikeRoutes() 
{
function createPolyline2(pts)
{
var polyline = new GPolyline(pts, "#0000ff", 2,1,{clickable: false});
bike_routes.push(polyline);
numbikeroutes = numbikeroutes + 1;
bike_routes_bounds.push(polyline.getBounds());
numrows_sw_ne_bike = numrows_sw_ne_bike + 1; 
}
if (window.XMLHttpRequest) 
{ 
var xmlhttp = new XMLHttpRequest();
var xmlhttp_sw_ne = new XMLHttpRequest();
xmlhttp.open('GET', './xmls/data_LatLng_paths.csv', false);
xmlhttp.send(null);
var csv = xmlhttp.responseText;
numrowsbike = 0;
numbikeroutes = 0;
bike_routes = new Array();
bike_routes_bounds = new Array();
var currentroute = "";
var pts2 = new Array();
var lines=csv.split("#"); 
for(var n=0;n<lines.length-1;n++) 
{
var fields=lines[n].split(","); 
bike_lines[numrowsbike] = lines[n];
numrowsbike = numrowsbike + 1; 
if (fields[4] == currentroute){pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));}
else{
if (pts2.length > 0){createPolyline2(pts2);}
currentroute = fields[4];
pts2 = new Array();
pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));
}
}
if (pts2.length > 0){createPolyline2(pts2);}
} 
else if (window.ActiveXObject) 
{ 
numrowsbike = 0;
numrows_sw_ne_bike = 0;
bike_routes = new Array();
bike_routes_bounds = new Array();
xmlhttp=new ActiveXObject('Microsoft.XMLHTTP'); 
if (xmlhttp) 
{
xmlhttp.open('GET', './xmls/data_LatLng_paths.csv', false);
xmlhttp.send();
var csv = xmlhttp.responseText;
numrowsbike = 0;
numbikeroutes = 0;
var currentroute = "";
var pts2 = new Array();
var lines=csv.split("#"); 
for(var n=0;n<lines.length-1;n++) 
{
var fields=lines[n].split(","); 
bike_lines[numrowsbike] = lines[n];
numrowsbike = numrowsbike + 1; 
if (fields[4] == currentroute){pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));}
else{
if (pts2.length > 0){createPolyline2(pts2);}
currentroute = fields[4];
pts2 = new Array();
pts2.push (new GLatLng(parseFloat(fields[2]),parseFloat(fields[3])));
}
}
if (pts2.length > 0){createPolyline2(pts2);}
}
}
}
function showBikeRoutesZoom(mapbounds)
{
if (map.getZoom() >= 13)
{
if (document.getElementById("Busroutesckb").checked == true)
{ 
if (bike_routes.length > 0){}else{ getBikeRoutes();}
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
current_routes_bike = new Array();
numcurrentroutes_bike = -1;
for (var j = 0; j < numrows_sw_ne_bike; j++)
{
var polylinebounds = bike_routes_bounds[j];
if (mapbounds.intersects(polylinebounds))
{
current_routes_bike.push(bike_routes[j]);
numcurrentroutes_bike++;
map.addOverlay(bike_routes[j]);
}
}
}
}else{
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
numcurrentroutes_bike = -1;current_routes_bike = new Array();
}
}
function showBikeRoutes()
{
if (map.getZoom() >= 13)
{
if (document.getElementById("Bikepathsckb").checked == true)
{
if (bike_routes.length > 0){}else{ getBikeRoutes();}
var mapbounds = map.getBounds();
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
current_routes_bike = new Array();
numcurrentroutes_bike = -1;
for (var j = 0; j < numrows_sw_ne_bike; j++)
{
var polylinebounds = bike_routes_bounds[j];
if (mapbounds.intersects(polylinebounds))
{
current_routes_bike.push(bike_routes[j]);
numcurrentroutes_bike++;
map.addOverlay(bike_routes[j]);
}
}
bikepathsflag = 1;
}else{
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
numcurrentroutes_bike = -1;current_routes_bike = new Array();
bikepathsflag = 0;
}
}else{
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
numcurrentroutes_bike = -1;current_routes_bike = new Array();
bikepathsflag = 0;
}
}
function showBusRoutes2()
{
if (map.getZoom() >= 13)
{
if (document.getElementById("Busroutesckb").checked == true)
{ 
jQuery("#LoadingDiv").show(function(){
if (bus_routes.length > 0){}else{ getBusRoutes();}
var mapbounds = map.getBounds();
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
current_routes = new Array();
numcurrentroutes = -1;
for (var j = 0; j < numrows_sw_ne; j++)
{
var polylinebounds = bus_routes_bounds[j];
if (mapbounds.intersects(polylinebounds))
{
current_routes.push(bus_routes[j]);
numcurrentroutes++;
map.addOverlay(bus_routes[j]);
}
}
busroutesflag = 1;
jQuery("#LoadingDiv").hide();
});
}else{
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
numcurrentroutes = -1;current_routes = new Array();
busroutesflag = 0;
}
}else{
for (var n=0; n < current_routes.length; n++){map.removeOverlay(current_routes[n]);}
numcurrentroutes = -1;current_routes = new Array();
busroutesflag = 0;
}
}
function showBikeRoutes2()
{
if (map.getZoom() >= 13)
{
if (document.getElementById("Bikepathsckb").checked == true)
{
jQuery("#LoadingDiv").show(function(){
if (bike_routes.length > 0){}else{ getBikeRoutes();}
var mapbounds = map.getBounds();
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
current_routes_bike = new Array();
numcurrentroutes_bike = -1;
for (var j = 0; j < numrows_sw_ne_bike; j++)
{
var polylinebounds = bike_routes_bounds[j];
if (mapbounds.intersects(polylinebounds))
{
current_routes_bike.push(bike_routes[j]);
numcurrentroutes_bike++;
map.addOverlay(bike_routes[j]);
}
}
bikepathsflag = 1;
jQuery("#LoadingDiv").hide();
});
}else{
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
numcurrentroutes_bike = -1;current_routes_bike = new Array();
bikepathsflag = 0;
}
}else{
for (var n=0; n < current_routes_bike.length; n++){map.removeOverlay(current_routes_bike[n]);}
numcurrentroutes_bike = -1;current_routes_bike = new Array();
bikepathsflag = 0;
}
}