diff options
Diffstat (limited to 'map.js')
| -rwxr-xr-x | map.js | 682 |
1 files changed, 682 insertions, 0 deletions
@@ -0,0 +1,682 @@ +//tool to update dataase: display markers and edit positions
+//http://docs.jquery.com/Ajax/jQuery.getJSON#urldatacallback
+//nb in google maps it says "DIT" in the middle of the provost's stables
+/*
+showPlaces(type)
+showPlace(index)
+
+
+
+*/
+//------------------------------------------------------------------------globals
+var http = getHTTPObject(); //old ajax method
+var markers=[];
+var markertypes=['Building','Parking','Entrances']; //--lat/lng based tables to create markers
+var tables=[];
+var tablenames=['AZ','Lecture_theatres','Pacr','Libraries','Loops','Enabled_toilets']; //--tables reference building table
+var tablescreennames={'Lecture_theatres':"Lecture theatres",'Pacr':"Public access computer rooms",'Libraries':"Libraries",'Loops':"Hearing aid looops",'Enabled_toilets':"Enabled toilets"};
+var icontypes=['Loops','Enabled_toilets'];
+var places=[];
+var placetypes=new Array('Lecture_theatres','Libraries','Pacr');
+var screenplacetypes=new Array('Lecture theatres','Libraries','Public access computer rooms');
+for (i=0;i<placetypes.length;i++) {
+ places[placetypes[i]]=[];
+ places[placetypes[i]].screenname=screenplacetypes[i];
+}
+var popularplaces=[56,59,198];
+var popularnames=["Old Library","Campanile","Samuel Beckett Theatre"];
+var mainCampus=new G.LatLngBounds(new G.LatLng(53.34,-6.26),new G.LatLng(53.346,-6.2499));
+var show_parking_warning=true;
+var InfoWindow; //points to created infowindows
+
+var directionsService;
+var directionsDisplay;
+
+var do_menu_flag = false;
+//------------------------------------------------------------------------classes
+function place(name,building,info) {
+ //represents an entity that can appear in a menu
+ this.name=name;
+ this.building=building;
+ this.info=info;
+}
+//------------------------------------------------------------------------startup
+//NB alert doesn't work within a jquery callback but console.log does
+function onLoad() {
+ if(document.getElementById("map")) {
+ var mapOptions = {
+ center: STARTPOS,
+ zoom: 17,
+ mapTypeId: google.maps.MapTypeId.ROADMAP
+ };
+ map = new G.Map(document.getElementById("map"),mapOptions);
+ directionsService = new G.DirectionsService();
+ directionsDisplay = new G.DirectionsRenderer({Map:map});
+ //load data via ajax - chaining other loading functions
+ loadTables(tablenames);
+
+ }
+}
+function loadTables(t) {
+ t.forEach(function(table) {
+ $.getJSON("./loadTable.php","table="+table,function(d) {
+ $.each(d, function(idx,v) {
+ tables[idx]=[];
+ for (i in v) {
+ tables[idx].push(v[i]);
+ }
+ if (DEBUG) console.log("loaded table "+Object.keys(tables).length+":"+idx+","+tables[idx].length+" items");
+ if (Object.keys(tables).length==tablenames.length) loadMarkers(markertypes);
+ });
+ });
+ });
+}
+//how to know when everything is loaded via ajax and data can be processed
+function loadMarkers(m) { //---------build customised markers from a database table
+ m.forEach(function(marker) {
+ $.getJSON("./loadTable.php","table="+marker,function(d) {
+ $.each(d, function(idx,v) {
+ markers[idx]=[];
+ for (i in v) {
+ markers[idx][i]=makeMarker(v[i],idx);
+ //console.log("making "+i+": "+
+ }
+ markers[idx].visible=false;
+ if (DEBUG) console.log("loaded markers "+Object.keys(markers).length+":"+idx+","+markers[idx].length+" items");
+ if (Object.keys(markers).length==markertypes.length) {
+ prepareData();
+ do_menuchoices();
+ console.log("search:"+search_posted);
+ if (search_posted!="") onsearch(search_posted);
+ }
+ });
+ });
+ });
+}
+function makeMarker(data,type) {
+ if (DEBUG) console.log(type+":"+data['lat']+","+data['lng']); //alert doesn't work within a jquery callback but console.log does
+ var m=new G.Marker({position:new G.LatLng(data['lat'],data['lng']),map:null,draggable:EDITABLE});
+ m["type"]=type;
+ for (j in data) m[j]=data[j];
+ m.places=[];
+ m.tabVisible=false;
+ m.visible=false;
+ if (EDITABLE){
+ G.event.addListener(m,"dragend",setMarkerPosition);
+ G.event.addListener(m,"click",displayMarkerInfo);
+ if (type=="Building"&&m.google_coords==1) {
+ m.setIcon(new G.MarkerImage("http://maps.google.com/mapfiles/marker_orange.png"));
+ }
+ }
+ switch (type) {
+ case "Parking":
+ m.setIcon(new G.MarkerImage("img/marker_parking.png"));
+ break;
+ case 'Entrances':
+ m.setIcon(new G.MarkerImage("img/marker_entrance.png"));
+ break;
+ case 'Loops':
+ m.setIcon(new G.MarkerImage("img/marker_loop.png"));
+ break;
+ case 'Enabled_toilets':
+ m.setIcon(new G.MarkerImage("img/marker_accessible_toilet.png"));
+ break;
+ case 'Ramps':
+ m.setIcon(new G.MarkerImage("img/marker_ramp.png"));
+ break;
+ default:
+ break;
+ }
+ m.setShadow(new G.MarkerImage("img/marker_shadow.png",new G.Size(30,30),new G.Point(0,0),new G.Point(6,29)));
+ if (type=="Building") {
+ m.sortPlaces=function() {m.places.sort(function(a,b) {if (a.name<b.name) return -1; else return 1; }); }
+ m.show = function (tab){
+ if (!this.visible) {
+ this.dispphoto=httpexists("./photos/small/"+this.id+".jpg");
+ if (this.places.length>1||this.description) { //multi-tab
+ this.showtab = function() {
+ purgeInfoWindow();
+ InfoWindow=new InfoBubble({disableAnimation:true});
+ InfoWindow.addTab('Building',this.getPlacesTab());
+ InfoWindow.addTab('More',this.getInfoTab());
+ InfoWindow.open(map,this);
+ this.tabVisible=true;
+ }
+ } //single tab
+ else {
+ this.showtab = function() {
+ purgeInfoWindow();
+ InfoWindow=new InfoBubble({content:this.getPlacesTab(),disableAnimation:true});;
+ InfoWindow.open(map,this);
+ this.tabVisible=true;
+ }
+ }
+ G.event.addListener(this,"click",this.showtab);
+ this.setMap(map);
+ var boundscheck=map.getBounds();
+ if ((!boundscheck.contains(this.getPosition()))&&this.type=="Building") //only zoom to accomodate buildings
+ {
+ boundscheck.extend(this.getPosition());
+ var newzoom = getZoomByBounds( map, boundscheck );
+ map.setZoom(newzoom);
+ map.setCenter(boundscheck.getCenter());
+
+ }
+ this.visible=true;
+ }
+ if (tab) this.showtab();
+ }
+ }
+ if (type=="Entrances") { //construct tabs
+ m.show = function (tab){
+ this.showtab = function() {
+ purgeInfoWindow();
+ InfoWindow=new InfoBubble({content:this.getEntranceTab(),disableAnimation:true});
+ InfoWindow.open(map,this);
+ this.tabVisible=true;
+ }
+ G.event.addListener(this,"click",this.showtab);
+ this.setMap(map);
+ var boundscheck=map.getBounds();
+ if ((!boundscheck.contains(this.getPosition()))&&this.type=="Building") //only zoom to accomodate buildings
+ {
+ boundscheck.extend(this.getPosition());
+ var newzoom = getZoomByBounds( map, boundscheck );
+ if (newzoom<15) map.setMapType(G_NORMAL_MAP);
+ map.setZoom(newzoom);
+ map.setCenter(boundscheck.getCenter());
+ }
+ this.visible=true;
+ if (tab) this.showtab();
+ }
+ }
+ if (type=="Enabled_toilets") { //construct tabs
+ m.show = function (tab){
+ if (this.data !="") {
+ this.showtab = function() {
+ purgeInfoWindow();
+ InfoWindow=new InfoBubble({content:this.getToiletTab(),disableAnimation:true});
+ InfoWindow.open(map,this);
+ this.tabVisible=true;
+ }
+ }
+ G.event.addListener(this,"click",this.showtab);
+ this.setMap(map);
+ var boundscheck=map.getBounds();
+ if ((!boundscheck.contains(this.getPosition()))&&this.type=="Building") //only zoom to accomodate buildings
+ {
+ boundscheck.extend(this.getPosition());
+ var newzoom = getZoomByBounds( map, boundscheck );
+ if (newzoom<15) map.setMapType(G_NORMAL_MAP);
+ map.setZoom(newzoom);
+ map.setCenter(boundscheck.getCenter());
+ }
+ this.visible=true;
+ if (tab) this.showtab();
+ }
+ }
+ if (type=="Loops"||type=="Parking") {
+ m.show = function (tab){
+ this.setMap(map);
+ var boundscheck=map.getBounds();
+ if ((!boundscheck.contains(this.getPosition()))&&this.type=="Building") //only zoom to accomodate buildings
+ {
+ boundscheck.extend(this.getPosition());
+ var newzoom = getZoomByBounds( map, boundscheck );
+ if (newzoom<15) map.setMapType(G_NORMAL_MAP);
+ map.setZoom(newzoom);
+ map.setCenter(boundscheck.getCenter());
+ }
+ this.visible=true;
+ }
+ }
+ m.hide = function() {
+ if (!(this.type=="Loops"||this.type=="Parking")) {
+ G.event.clearListeners(this,"click");
+ }
+ if (this.tabVisible) {
+ purgeInfoWindow();
+ this.tabVisible=false;
+ }
+ this.visible=false;
+ this.setMap(null);
+ }
+ m.getPlacesTab=getPlacesTab;
+ m.getInfoTab=getInfoTab;
+ m.getEntranceTab=getEntranceTab;
+ m.getToiletTab=getToiletTab;
+ return m;
+}
+//----------------------------------------------------------------------------------functions to populate tabs called from marker
+function getPlacesTab() {
+ var popup="<div id='map_building'><h4>"+this.name+"</h4>";
+ popup+="<div id='map_building_inner'>";
+ if (this.dispphoto) {
+ popup+="<div id='map_building_photo'>";
+ popup+="<a href='javascript:shadowbox("+this.id+")'><img src='./photos/small/"+this.id+".jpg' style='display:block'; width='40%'; height='40%'></a>";
+ popup+="</div>";
+ }
+ if (this.opening_hours) {
+ popup+="<div id='map_building_opening_hours'>";
+ popup +='<h5>Building Opening Hours:</h5>';
+ popup +='<div>'+this.opening_hours+"</div>";
+ popup+="</div>";
+ }
+ if ((this.accessibility)||(this.accessibility_url)) {
+ popup+="<div id='map_building_access'>";
+ if (this.accessibility) {
+ popup+="<h5>Accessibility: </h5><div>"+this.accessibility+" ";
+ if (this.accessibility_url) popup+="(<a href='http://www.tcd.ie/disability/accessibility/Building-check/"+this.accessibility_url+"'>more info</a>)</div>";
+
+ }
+ else if (this.accessibility_url) popup+="<div><a href='http://www.tcd.ie/disability/accessibility/Building-check/"+this.accessibility_url+"'>Accessibility info</a></div>";
+ popup+="</div>";
+ }
+ popup+="</div>";
+
+ popup+="<div id='map_building_permalink'>";
+ var linkname;
+ linkname=this.name;
+ popup+="<a href='map.php?q="+urlencode(linkname)+"' >Permalink</a>";
+ lat=this.getPosition().lat();
+ lng=this.getPosition().lng();
+
+ if (!mainCampus.contains(this.getPosition())) {
+ bd='"'+urlencode(this.name)+'"';
+ popup+=" <a href='javascript:directions("+lat+","+lng+","+bd+")'>Directions</a> ";
+ }
+ popup+="</div>";
+
+ return popup;
+}
+function getInfoTab() {
+ popup="";
+ popup+="<div id='map_info'>";
+ popup+="<div id='map_info_inner'><bd>"; //<div id='map_popup_inner'>";
+ var placeoffset=0;
+ if (this.places.length-placeoffset) {
+ popup+="<h4>Also in this building</h4><ul>";
+ for (i=0;i<this.places.length;i++) {
+ if (this.places[i].name) {
+ if (this.places[i].info.match(/^\s*http/)) {
+ popup +="<li><a href='"+this.places[i].info+"'>"+this.places[i].name+"</a></li>";
+ }
+ else {
+ popup +="<li>"+this.places[i].name+"</li>";
+ }
+ }
+ }
+ popup+="</ul>";
+ }
+ if (this.description) popup+="<h4>Info</h4>"+this.description;
+ popup+="</bd></div></div>";
+ return popup;
+}
+function getToiletTab() {
+ popup="";
+ popup+="<div id='map_toilettab'>";
+ popup+="<div id='map_toilettab_inner'><bd>";
+ popup+="<h4>Enabled toilet</h4>"
+ popup+="<br>"+this.data;
+ popup+="</bd></div></div>";
+ return popup;
+}
+function getEntranceTab() {
+ popup="";
+ popup+="<div id='map_entrancetab'>";
+ popup+="<div id='map_entrancetab_inner'><bd>";
+ popup+="<h4>Entrance</h4>"
+ popup+="<br> "+this.data;
+ popup+="</bd></div></div>";
+ return popup;
+}
+//----------------------------------------------------------------------------------Setting up data structures while loading
+function prepareData() {
+ //create markers for ref tables
+ for (i in icontypes) {
+ markers[icontypes[i]]=[];
+ for (t in tables[icontypes[i]]) {
+ //console.log("building "+tables[icontypes[i]][t].building+":"+markers["Building"][tables[icontypes[i]][t].building].name);
+ tables[icontypes[i]][t].lat=markers["Building"][tables[icontypes[i]][t].building].lat;
+ tables[icontypes[i]][t].lng=markers["Building"][tables[icontypes[i]][t].building].lng;
+ tables[icontypes[i]][t].id=tables[icontypes[i]][t].building;
+ markers[icontypes[i]].push(makeMarker(tables[icontypes[i]][t],icontypes[i]));
+ }
+
+ markers[icontypes[i]].visible=false;
+ }
+ //process Building and AZ tables
+ //create AZ -- is causing problems now for some reason WHERE THERE ARE NO ITEMS
+ for (var i=0;i<26;i++) {
+ tables[String.fromCharCode(i+65)]=[];
+ tables[String.fromCharCode(i+65)].screenname=String.fromCharCode(i+65);
+ }
+ //Create alphabetical lists of places including exceptions
+ for (var i=0;i<tables["AZ"].length;i++)
+ {
+ if (tables["AZ"][i].info=="") tables["AZ"][i].info=tables["AZ"][i].name;
+
+ var j=0;
+ var startlet=0;
+
+ while (tables["AZ"][i].name.charCodeAt(j) <64) j++; //find 1st non-number
+
+ startlet=tables["AZ"][i].name.charCodeAt(j) -65;
+ if (startlet>25) startlet-=32; //select small letters (which shouldn't even be there)
+
+ if ((startlet==96)||(startlet==128)) startlet=0; //catch Á
+ if (startlet==104) startlet=4; //catch É
+ if (startlet==108) startlet=8; //catch Í
+
+ //find array number of building index as buildingindex number can be non-consecutive
+ var bb=tables["AZ"][i].building;
+ for (j in markers['Building'])
+ {
+ if (markers['Building'][j].id==bb) {
+ numplaces=tables[String.fromCharCode(startlet+65)].length;
+ tables[String.fromCharCode(startlet+65)].push(tables["AZ"][i]); //add reference to place
+ tables[String.fromCharCode(startlet+65)][numplaces].building=j; //resolve reference to building array
+ tables[String.fromCharCode(startlet+65)][numplaces].index=i; //resolve reference to AZ array
+ markers['Building'][j].places.push(tables["AZ"][i]);
+ }
+ }
+
+ if (tables["AZ"][i].name.slice(0,3)=="St.")
+ {
+ startlet=tables["AZ"][i].name.charCodeAt(4) -65;
+ if (startlet>25) startlet-=32; //select small letters
+ //we know its doesn't start with ÁÉÍ
+ for (j in markers['Building'])
+ {
+ if (markers['Building'][j].id==bb) {
+ numplaces=tables[String.fromCharCode(startlet+65)].length;
+ tables[String.fromCharCode(startlet+65)].push(tables["AZ"][i]); //add reference to place
+ tables[String.fromCharCode(startlet+65)][numplaces].building=j; //resolve reference to building array
+ markers['Building'][j].places.push(tables["AZ"][i]);
+ }
+ }
+ }
+ }
+ //add buildings
+ for (i in markers['Building'])
+ {
+ if (markers['Building'][i].name) { //trap added 'visible' property
+ var j=0;
+ var startlet=0;
+
+ while (markers['Building'][i].name.charCodeAt(j) <64) j++; //find 1st non-number
+
+ startlet=markers['Building'][i].name.charCodeAt(j) -65;
+ if (startlet>25) startlet-=32; //select small letters (which shouldn't even be there)
+
+ if ((startlet==96)||(startlet==128)) startlet=0; //catch Á
+ if (startlet==104) startlet=4; //catch É
+ if (startlet==108) startlet=8; //catch Í
+
+ numplaces=tables[String.fromCharCode(startlet+65)].length;
+ tables[String.fromCharCode(startlet+65)].push(new place(markers['Building'][i].name,i,markers['Building'][i].info));
+ tables[String.fromCharCode(startlet+65)][numplaces].building=i; //resolve reference to building array
+ }
+
+ }
+ //sort results alphabetically
+ for (i=0;i<26;i++) {
+ letter=String.fromCharCode(i+65);
+ tables[letter].sort(function(a,b) { if (a.name<b.name) return -1; else return 1;});
+ }
+ //resolve other tables references
+ places.forEach(function(placetable) {
+ for (j=0;j<placetable.length;j++) {
+ for (k=0; k<markers['Building'].length;k++)
+ if (placetable[j].building==markers['Building'][k].num) {
+ placetable[j].building=k; //resolve reference to building array
+ break;
+ }
+ }
+ placetable.sort(function(a,b) {if (a.name<b.name) return -1; else return 1; });
+
+ });
+ //create html popups
+ for (i in markers['Building']) {
+ if (markers['Building'][i].name) {
+ markers['Building'][i].sortPlaces();
+ }
+ }
+ for (t in tables) tables[t].screenname=tablescreennames[t];
+}
+function do_menuchoices() {
+ var menu="<ul>";
+ for (var i=0;i<26;i++) {
+ letter=String.fromCharCode(i+65);
+ menu+="<li><a href='javascript:do_menu(\""+letter+"\");'>"+letter+" </a></li>";
+ }
+ menu+="</ul>";
+ document.getElementById("searchoptions").innerHTML=menu;
+ //action='map.php'
+ menu="<form id='form' method='POST' action='javascript:void(0);' onsubmit='quicklink(this.childNodes[0].childNodes[1]);return false'><div><label for='quicklinks'>Quicklinks: </label><select name='quicklinks' id='quicklinks'><option selected='selected'>Search for lectures, libraries, pacr...</option>";
+ for (i=0;i<placetypes.length;i++) menu+="<option value='"+placetypes[i]+"'>"+screenplacetypes[i]+"</option>";
+ menu+="</select> <input type='submit' value='Go' /></form>";
+ document.getElementById("quicklinkswrap").innerHTML=menu;
+}
+//----------------------------------------------------------------------------------Editing markers while authoring
+function setMarkerPosition() {
+ if (this.type=="Building") {
+ $.ajax({
+ url:"setMarkerPos.php",
+ data: "table="+this.type+"&id="+this.id+"&lat="+this.getPosition().lat()+"&lng="+this.getPosition().lng()+"&google_coords=1"
+ });
+ this.setIcon(new G.MarkerImage("http://maps.google.com/mapfiles/marker_orange.png") );
+ }
+ else {
+ $.ajax({
+ url:"setMarkerPos.php",
+ data: "table="+this.type+"&id="+this.id+"&lat="+this.getPosition().lat()+"&lng="+this.getPosition().lng()
+ });
+ }
+}
+function displayMarkerInfo(){
+ if (this.type=="Building") document.getElementById("info").innerHTML=this.id+": "+this.name;
+ else document.getElementById("info").innerHTML=this.id;
+}
+//----------------------------------------------------------------------------------Interaction handlers
+function shadowbox(n) {
+ Shadowbox.open({content:"./photos/"+n+".jpg",player: "img",title:markers['Building'][n].name});
+}
+function onsearch(query) {
+ tables["search"]=[];
+ var foundbuildings=new Array();
+ fb=0;
+ for (var i=0;i<26;i++) {
+ //console.log("checking "+String.fromCharCode(i+65));
+ for (j in tables[String.fromCharCode(i+65)]) {
+
+
+ if (tables[String.fromCharCode(i+65)][j]!=undefined) {
+ //console.log("checking "+j+": "+tables[String.fromCharCode(i+65)][j].name);
+
+ if ("name" in tables[String.fromCharCode(i+65)][j]) {
+ if (tables[String.fromCharCode(i+65)][j].name.toLowerCase().indexOf(query.toLowerCase())>-1) {
+ tables["search"].push(tables[String.fromCharCode(i+65)][j]);
+ if (foundbuildings[tables[String.fromCharCode(i+65)][j].building]!="1") fb++;
+ foundbuildings[tables[String.fromCharCode(i+65)][j].building]="1";
+ }
+ }
+
+ }
+
+ }
+ }
+ //auto-open if 1 search result
+ if (fb==1) {
+ clearmarkers();
+ markers["Building"][tables["search"][0].building].show(true,tables["search"][0]);
+ }
+ tables["search"].screenname=query;
+ tables["search"].sort(function(a,b) {if (a.name<b.name) return -1; else return 1; });
+ do_menu("search");
+}
+function show_markers(type) {
+ if (DEBUG) console.log("showing "+type);
+ if (!markers[type].visible) {
+ for(i in markers[type]) {
+ if (markers[type][i].id) {
+ markers[type][i].show();
+ }
+ }
+ }
+ else {
+ for(i in markers[type]) {
+ if (markers[type][i].id) {
+ markers[type][i].hide();
+ }
+ }
+ }
+
+ markers[type].visible=!markers[type].visible;
+}
+function show_place(type,index) {
+ show_building(tables[type][index].building);
+}
+function show_building(index) { //funnel through here
+ markers['Building'][index].show(true);
+}
+function quicklink(owner) {
+ name=owner.options[owner.selectedIndex].value;
+ for (i=1;i<markertypes.length;i++) if (name==markertypes[i]) show_markers(name);
+ for (i=0;i<placetypes.length;i++) if (name==placetypes[i]) do_menu(name);
+ resize_map_and_results();
+}
+function do_menu(type) {
+ var title="<h1>"+tables[type].length+" results for ";
+ if (type.length==1) title+="letter ";
+ if (tables[type].screenname) {
+ title+=tables[type].screenname;
+ }
+ else {
+ title+=type;
+ }
+ title+="</h1>";
+ if (DEBUG) console.log("doing menu: "+type);
+ if (DEBUG) console.log(tables[type].length+" items");
+ if(document.getElementById("searchresulttitle")) {
+ document.getElementById("searchresulttitle").innerHTML=title;
+ var content="<ul>";
+ for(var i=0;i<tables[type].length;i++) {
+ content+="<li><a href='javascript:show_place(\""+type+"\","+i+"); '>"+tables[type][i].name+"</a></li>";
+ }
+ content+="</ul>";
+ document.getElementById("searchresults").innerHTML=content;
+ if(do_menu_flag) {
+ resize_map_and_results();
+ }
+ else {
+ do_menu_flag = true;
+ }
+ if (DEBUG) alert(content);
+ }
+}
+function purgeInfoWindow() {
+ if (InfoWindow) {
+ //console.log("closing infowindow");
+ InfoWindow.close();
+ InfoWindow=undefined;
+ }
+}
+function clearmarkers() {
+ for (i in markers) {
+ for (j in markers[i]) {
+ if (markers[i][j].name) markers[i][j].hide;
+ }
+ }
+}
+function directions(lat,lng,place){
+ document.getElementById("searchresulttitle").innerHTML="<h1>From Trinity College to "+place+"</h1>";
+ document.getElementById("searchresults").innerHTML="";
+ var request = {
+ origin:new G.LatLng(53.3445,-6.259),
+ destination:new G.LatLng(lat,lng),
+ travelMode: google.maps.DirectionsTravelMode.DRIVING
+ };
+ directionsDisplay.setPanel(document.getElementById("searchresults"));
+ directionsService.route(request, function(response, status) {
+ if (status == G.DirectionsStatus.OK) {
+ directionsDisplay.setDirections(response);
+ }
+ });
+}
+//----------------------------------------------------------------------------------misc utils, legacy ajax stuff to bypass TCD fuzzy filename filter
+//Equivalent of getBoundsZoomLevel() in gmaps api 3
+/**
+* Returns the zoom level at which the given rectangular region fits in the map view.
+* The zoom level is computed for the currently selected map type.
+* @param {google.maps.Map} map
+* @param {google.maps.LatLngBounds} bounds
+* @return {Number} zoom level
+**/
+function getZoomByBounds( map, bounds ){
+ var MAX_ZOOM = map.mapTypes.get( map.getMapTypeId() ).maxZoom || 21 ;
+ var MIN_ZOOM = map.mapTypes.get( map.getMapTypeId() ).minZoom || 0 ;
+
+ var ne= map.getProjection().fromLatLngToPoint( bounds.getNorthEast() );
+ var sw= map.getProjection().fromLatLngToPoint( bounds.getSouthWest() );
+
+ var worldCoordWidth = Math.abs(ne.x-sw.x);
+ var worldCoordHeight = Math.abs(ne.y-sw.y);
+
+ //Fit padding in pixels
+ var FIT_PAD = 40;
+
+ for( var zoom = MAX_ZOOM; zoom >= MIN_ZOOM; --zoom ){
+ if( worldCoordWidth*(1<<zoom)+2*FIT_PAD < $(map.getDiv()).width() &&
+ worldCoordHeight*(1<<zoom)+2*FIT_PAD < $(map.getDiv()).height() )
+ return zoom;
+ }
+ return 0;
+}
+function urlencode (string) {
+ string = string.replace(/\r\n/g,"\n");
+ var utftext = "";
+
+ for (var n = 0; n < string.length; n++) {
+
+ var c = string.charCodeAt(n);
+
+ if (c < 128) {
+ utftext += String.fromCharCode(c);
+ }
+ else if((c > 127) && (c < 2048)) {
+ utftext += String.fromCharCode((c >> 6) | 192);
+ utftext += String.fromCharCode((c & 63) | 128);
+ }
+ else {
+ utftext += String.fromCharCode((c >> 12) | 224);
+ utftext += String.fromCharCode(((c >> 6) & 63) | 128);
+ utftext += String.fromCharCode((c & 63) | 128);
+ }
+
+ }
+
+ return escape(utftext);
+}
+function httpexists(url) {
+ exists=false;
+ http.open("GET",'httpexists-proxy.php?httpexistsurl=' + url, false);
+ //http.open("GET", url, false);
+ http.send(null);
+ if (http.status == 200) {
+ exists=true;
+ }
+ return exists;
+}
+function getHTTPObject() {
+ var xmlhttp;
+ if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
+ try {
+ xmlhttp = new XMLHttpRequest();
+ } catch (e) {
+ xmlhttp = false;
+ }
+ }
+ return xmlhttp;
+}
+
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