/** package control */ BRdCJS_Package = { version: '1.1', lastupdate: 'June 2008', gmap_specification: 'v2.117 17th June 2008' } /** List Manipulation Functions */ ListFunctions = { search: function(needle,haystack) { for (var i=0;i=0;--i) if (haystack[i]==needle) return i; return -1; }, add: function(link,array) { if (ListFunctions.search(link,array)!=-1) return false; //already in list array.push(link); return true; }, remove: function(link,array) { var loc = ListFunctions.search(link,array); if (loc>-1) { if (loc==0) array.shift(); else if (loc==array.length-1) array.pop(); else return array.slice(0,loc).concat( array.slice(loc+1) ); } return array; } } /** Conversion Functions */ ConversionFunctions = { mileInMeters: 1609.344, mileInYards: 1760, mileInFeet: 5280, yardInMeters: 0.9144, yardInFeet: 3, feetInMeters: 0.3048, kilometerInMeters: 1000, metersToMiles: function(meters) { return (meters/1609.344); }, metersToYards: function(meters) { return (meters/0.9144); }, metersToKilometers: function(meters) { return (meters/1000.0); }, distanceImperial: function(meters) { if (meters>=BRdCConv.mileInMeters/5) return (meters/BRdCConv.mileInMeters).toFixed(2) + 'mi'; else return (meters/BRdCConv.feetInMeters).toFixed(0) + 'ft'; }, distanceMetric: function(meters) { if (meters>=1000) return (meters/1000).toFixed(2) + 'km'; else if (meters<1) return (meters).toFixed(1) + 'm'; else return (meters).toFixed(0) + 'm'; } } /** BRdC_Marker -- ptid int *ID number for retrieval from the database -- coord GLatLng *Coordinates of this Marker */ function BRdCMarker(ptcoord,ptID) { this.coord = ptcoord; this.ptid = (typeof ptID!='undefined') ? ptID : null; } BRdCMarker.prototype.GMarker = function() { if (typeof this.gmarker=='undefined') { if ((typeof this.poi=='undefined') || (this.poi==0)) this.gmarker = new GMarker( this.coord, {clickable:true, icon:{image:"img/circle13marker.png", iconSize: new GSize(13,13), iconAnchor: new GPoint(6,6)} } ); } return this.gmarker; } /** BRdC_Route -- rtid int *ID number for retrieval from the database -- rtname string *Route Name -- rtperm string *Permission flag string -- rtownid int *Route Owner's ID number in database -- rtowner string *Route Owner's name -- rtdsc string *Route Description -- rtbox GLatLngBounds *Box that encompasses the route -- marks array *array of marked points that have info for the route -- startinfo string *Optional Instruction for the beginning of the route -- steps array *array of step data that keep the info for the steps -- distance float *length of route in meters -- inDisplays array *array of displays that show the route -- dirtyFlag boolean *Route has been changed */ function BRdCRoute(rtdata) { this.altered = false; this.inDisplays=new Array(); if (typeof rtdata=='undefined') { this.distance= 0.0; this.steps = new Array(); this.rtname = "Untitled Route"; this.routeDescr = ''; this.permission = ''; } else { //load it from the route Data Obj see BRdC_loadRoute.php for a description var rtparse = rtdata.split('\n'); var markcnt = 0; for (var ln in rtparse) { var line = rtparse[ln]; var cmd = line.split(":"); switch (cmd[0]) { case 'RTBGN': this.steps = new Array(); if (cmd.length==1) this.editsess = cmd[1]; break; case 'RTI': this.rtid = parseInt(cmd[1]); this.permission = cmd[2]; this.rtname = (cmd.length>4) ? cmd.slice(3).join(':') : cmd[3]; break; case 'RTO': this.rtownid = parseInt(cmd[1]); this.rtowner = (cmd.length>3) ? cmd.slice(2).join(':') : cmd[2]; break; case 'RTT': this.created = new Date(parseInt(cmd[1])*1000); this.lastsave= new Date(parseInt(cmd[2])*1000); break; case 'RTD': this.marks = new Array(parseInt(cmd[1])); this.rtdsc = (cmd.length>3) ? cmd.slice(2).join(':') : cmd[2]; break; case 'RTB': this.rtbox = new GLatLngBounds(new GLatLng(parseFloat(cmd[3]),parseFloat(cmd[2])),new GLatLng(parseFloat(cmd[1]),parseFloat(cmd[4])) ); break; case 'RTS': this.steps = new Array(cmd[1]); this.distance = parseFloat(cmd[2]); this.startinfo = (cmd.length>4) ? cmd.slice(3).join(':') : cmd[3]; break; case 'MRK': cmd.shift(); this.marks[markcnt] = new BRdCMarker(new GLatLng(parseFloat(cmd[1]),parseFloat(cmd[2])),parseInt(cmd[0])); if (cmd.length>3) { this.marks[markcnt].setPOI( parseInt(cmd[3]) ); this.marks[markcnt].setName(cmd[4]); this.marks[markcnt].setInfo( (cmd.length>6) ? cmd.slice(5).join(':') : cmd[5]); } markcnt++; break; case 'STP': cmd.shift(); var mk_ptA, mk_ptB; var ptAid = parseInt(cmd[2]); var ptBid = parseInt(cmd[3]); for (mk_ptA = markcnt-1;mk_ptA>=0;--mk_ptA) if (this.marks[mk_ptA].ptid == ptAid) break; for (mk_ptB = markcnt-1;mk_ptB>=0;--mk_ptB) if (this.marks[mk_ptB].ptid == ptBid) break; this.steps[cmd[0]] = new BRdCRoute_Step(this, this.marks[mk_ptA], this.marks[mk_ptB], parseFloat(cmd[1]), (cmd.length>7) ? cmd.slice(6).join(':') : cmd[6]); this.steps[cmd[0]].setEncoded( cmd[4], cmd[5] ); break; case 'RTEND': return this; default: //bad. } //end switch } //end for } } BRdCRoute.prototype.linkDisplay = function(display) { if (ListFunctions.add(display, this.inDisplays)) { for (var step in this.steps) { this.steps[step].addToDisplay( display ); } for (var mrk in this.marks) { display.addMark( this.marks[mrk] ); } } } /** BRdCRoute_Step -- route BRdCRoute *The route that this step is a part of -- A BRdCMarker *Marker representing the start of this step -- B BRdCMarker *Marker representing the end of this step -- distance float *The distance of this step (in meters) -- instruct string *Optional Instruction for this step -- polyline GPolyline *Polyline for the step */ function BRdCRoute_Step( myRoute, mrkA, mrkB, dist, instr ) { this.route = myRoute; this.A = mrkA; this.B = mrkB; this.distance = dist; this.instruct = instr; this.polyline = null; } BRdCRoute_Step.prototype.setEncoded = function( encline, enclvls ) { this.polyline = new GPolyline.fromEncoded( { zoomFactor: 2, numLevels: 18, points: encline, levels: enclvls, color: "#3300AA", weight: 3, opacity: 0.8 } ); } BRdCRoute_Step.prototype.addToDisplay = function( display ) { display.map.addOverlay( this.polyline ); } BRdCRoute_Step.prototype.removeFromDisplay = function( display ) { display.map.removeOverlay( this.polyline ); } /** RouteDisplay -- map GMap2 *The google maps object for this display -- markerbox MarkerManager *The Marker Manager for the GMap */ function RouteDisplay(map) { if (typeof map=='object') { this.map = map; this.centerUSA(); this.map.savePosition(); this.map.enableScrollWheelZoom(); new GKeyboardHandler(this.map); this.map.addControl( new GSmallMapControl() ); this.map.removeMapType( G_SATELLITE_MAP ); this.map.addControl( new GMapTypeControl() ); this.map.addControl( new GScaleControl() ); //I think we still prefer the open source MarkerManager to google's GMarkerManager //if only because it has the stated capability to REMOVE markers once added. //it requires a seperate script to be loaded of course: //