TYPE_OFFER=0;TYPE_DEMAND=1;TYPE_BOTH=2;var Step=Class.create({initialize:function(city,address,linestring,marker){this.city=city;this.address=address;this.linestring=linestring;this.marker=marker;}});var buffer_style=OpenLayers.Util.applyDefaults({fillOpacity:0.25,graphicOpacity:1,strokeColor:"#2A4776",fillColor:"#2A4776"},OpenLayers.Feature.Vector.style['default']);var route_style=OpenLayers.Util.applyDefaults({strokeWidth:3},buffer_style);var marker_step_style=OpenLayers.Util.applyDefaults({graphicWidth:26,graphicHeight:44,graphicYOffset:-44,graphicOpacity:1},OpenLayers.Feature.Vector.style['default']);var marker_step2_style=OpenLayers.Util.applyDefaults({graphicWidth:29,graphicHeight:25,graphicXOffset:-29,graphicYOffset:-25,graphicOpacity:1},OpenLayers.Feature.Vector.style['default']);var departure_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/start.png"},marker_step2_style);var departure_car_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/start_car.png"},marker_step_style);var departure_passenger_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/start_passenger.png"},marker_step_style);var step_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/step.png"},marker_step2_style);var arrival_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/stop.png"},marker_step2_style);var arrival_car_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/stop_car.png"},marker_step_style);var arrival_passenger_style=OpenLayers.Util.applyDefaults({externalGraphic:media_url+"img/stop_passenger.png"},marker_step_style);ToolBar=OpenLayers.Class(OpenLayers.Control.Panel,{initialize:function(layer,options,drawpoint_callback){OpenLayers.Control.Panel.prototype.initialize.apply(this,[options]);this.addControls([new OpenLayers.Control.Navigation({'zoomWheelEnabled':false})]);var controls=[new OpenLayers.Control.DrawFeature(layer,OpenLayers.Handler.Point,{'displayClass':'olControlDrawFeaturePoint'})];for(var i=0;i<controls.length;i++){controls[i].featureAdded=drawpoint_callback;}
this.addControls(controls);},draw:function(){var div=OpenLayers.Control.Panel.prototype.draw.apply(this,arguments);this.activateControl(this.controls[0]);return div;},CLASS_NAME:"ToolBar"});CustomLayerSwitcher=OpenLayers.Class(OpenLayers.Control.LayerSwitcher,{fontColor:"white",opacity:0.75,baseLbl:null,baseLblTitle:"Base Layers",dataLblTitle:"Overlays",loadContents:function(){this.div.style.position="absolute";this.div.style.top="25px";this.div.style.right="0px";this.div.style.left="";this.div.style.fontFamily="sans-serif";this.div.style.fontWeight="bold";this.div.style.marginTop="3px";this.div.style.marginLeft="3px";this.div.style.marginBottom="3px";this.div.style.fontSize="smaller";this.div.style.color=this.fontColor;this.div.style.backgroundColor="transparent";OpenLayers.Event.observe(this.div,"mouseup",OpenLayers.Function.bindAsEventListener(this.mouseUp,this));OpenLayers.Event.observe(this.div,"click",this.ignoreEvent);OpenLayers.Event.observe(this.div,"mousedown",OpenLayers.Function.bindAsEventListener(this.mouseDown,this));OpenLayers.Event.observe(this.div,"dblclick",this.ignoreEvent);this.layersDiv=document.createElement("div");this.layersDiv.id="layersDiv";this.layersDiv.style.paddingTop="5px";this.layersDiv.style.paddingLeft="10px";this.layersDiv.style.paddingBottom="5px";this.layersDiv.style.paddingRight="75px";this.layersDiv.style.backgroundColor=this.activeColor;this.layersDiv.style.width="100%";this.layersDiv.style.height="100%";this.baseLbl=document.createElement("div");this.baseLbl.innerHTML="<u>"+this.baseLblTitle+"</u>";this.baseLbl.style.marginTop="3px";this.baseLbl.style.marginLeft="3px";this.baseLbl.style.marginBottom="3px";this.baseLayersDiv=document.createElement("div");this.baseLayersDiv.style.paddingLeft="10px";this.dataLbl=document.createElement("div");this.dataLbl.innerHTML="<u>"+this.dataLblTitle+"</u>";this.dataLbl.style.marginTop="3px";this.dataLbl.style.marginLeft="3px";this.dataLbl.style.marginBottom="3px";this.dataLayersDiv=document.createElement("div");this.dataLayersDiv.style.paddingLeft="10px";if(this.ascending){this.layersDiv.appendChild(this.baseLbl);this.layersDiv.appendChild(this.baseLayersDiv);this.layersDiv.appendChild(this.dataLbl);this.layersDiv.appendChild(this.dataLayersDiv);}else{this.layersDiv.appendChild(this.dataLbl);this.layersDiv.appendChild(this.dataLayersDiv);this.layersDiv.appendChild(this.baseLbl);this.layersDiv.appendChild(this.baseLayersDiv);}
this.div.appendChild(this.layersDiv);OpenLayers.Rico.Corner.round(this.div,{corners:"tl bl",bgColor:"transparent",color:this.activeColor,blend:false});OpenLayers.Rico.Corner.changeOpacity(this.layersDiv,this.opacity);var imgLocation=OpenLayers.Util.getImagesLocation();var sz=new OpenLayers.Size(25,25);var img=imgLocation+'layer-switcher-maximize.png';this.maximizeDiv=OpenLayers.Util.createAlphaImageDiv("OpenLayers_Control_MaximizeDiv",null,sz,img,"absolute");this.maximizeDiv.style.top="5px";this.maximizeDiv.style.right="0px";this.maximizeDiv.style.left="";this.maximizeDiv.style.display="none";OpenLayers.Event.observe(this.maximizeDiv,"click",OpenLayers.Function.bindAsEventListener(this.maximizeControl,this));this.div.appendChild(this.maximizeDiv);img=imgLocation+'layer-switcher-minimize.png';sz=new OpenLayers.Size(18,18);this.minimizeDiv=OpenLayers.Util.createAlphaImageDiv("OpenLayers_Control_MinimizeDiv",null,sz,img,"absolute");this.minimizeDiv.style.top="5px";this.minimizeDiv.style.right="0px";this.minimizeDiv.style.left="";this.minimizeDiv.style.display="none";OpenLayers.Event.observe(this.minimizeDiv,"click",OpenLayers.Function.bindAsEventListener(this.minimizeControl,this));this.div.appendChild(this.minimizeDiv);},CLASS_NAME:"CustomLayerSwitcher"});function calculateRadius(origin,radius){var delta=90/(6378137*Math.PI);var glonlat;if(origin.CLASS_NAME=='OpenLayers.LonLat'){glonlat=OpenLayers.Layer.SphericalMercator.inverseMercator(origin.lon,origin.lat);}else{glonlat=OpenLayers.Layer.SphericalMercator.inverseMercator(origin.x,origin.y);}
return radius*(OpenLayers.Layer.SphericalMercator.forwardMercator(glonlat.lon,glonlat.lat+delta).lat-OpenLayers.Layer.SphericalMercator.forwardMercator(glonlat.lon,glonlat.lat-delta).lat);}
function getCircle(origin,radius){radius=calculateRadius(origin,radius);var sides=40;var angle=Math.PI*((1/sides)-(1/2));var rotatedAngle,x,y;var points=[];for(var i=0;i<sides;++i){rotatedAngle=angle+(i*2*Math.PI/sides);x=origin.x+(radius*Math.cos(rotatedAngle));y=origin.y+(radius*Math.sin(rotatedAngle));points.push(new OpenLayers.Geometry.Point(x,y));}
var ring=new OpenLayers.Geometry.LinearRing(points);return new OpenLayers.Geometry.Polygon([ring]);}
var selectedMarker;var selectControl;function onPopupClose(evt){selectControl.unselect(selectedMarker);}
function hideMarkerPopup(marker){if(marker.popup){map.removePopup(marker.popup);marker.popup.destroy();marker.popup=null;}}
function showMarkerPopup(marker){if(selectedMarker){hideMarkerPopup(selectedMarker);}
selectedMarker=marker;var popup=new OpenLayers.Popup.Anchored("marker",new OpenLayers.LonLat(marker.geometry.x,marker.geometry.y),new OpenLayers.Size(180,80),marker.attributes.name,null,true,onPopupClose);popup.backgroundColor="transparent";marker.popup=popup;map.addPopup(popup);}
var simple_trip_buffer;function getSimpleTripBuffer(simple_trip_route,radius,wait_id,trip_layer){if(wait_id){$(wait_id).show();}
new Ajax.Request('/ajax/calculate_buffer/',{method:'post',parameters:{geometry:wkt.write(new OpenLayers.Feature.Vector(simple_trip_route)),radius:radius},onSuccess:function(transport){if(simple_trip_buffer){trip_layer.removeFeatures([simple_trip_buffer]);}
if(wait_id){$(wait_id).hide();}
simple_trip_buffer=wkt.read(transport.responseText.evalJSON().buffer);if(simple_trip_buffer){simple_trip_buffer.style=buffer_style;trip_layer.addFeatures([simple_trip_buffer]);}},onFailure:function(){if(simple_trip_buffer){trip_layer.removeFeatures([simple_trip_buffer]);}
simple_trip_buffer=null;if(wait_id){$(wait_id).hide();}}});}
function extendMapBounds(map,radius){if(radius<2000){radius=2000;}
var bounds=map.calculateBounds().clone();var point_top=new OpenLayers.Geometry.Point(bounds.left,bounds.top);var radius_top=1.5*calculateRadius(point_top,radius);var angle_top=Math.PI*3/4;var angle_bottom=-Math.PI/4;point_top.x+=(radius_top*Math.cos(angle_top));point_top.y+=(radius_top*Math.sin(angle_top));bounds.extend(point_top);var point_bottom=new OpenLayers.Geometry.Point(bounds.right,bounds.bottom);var radius_bottom=1.5*calculateRadius(point_bottom,radius);point_bottom.x+=(radius_bottom*Math.cos(angle_bottom));point_bottom.y+=(radius_bottom*Math.sin(angle_bottom));bounds.extend(point_bottom);return bounds;}
function calculateSimpleTripBuffer(trip_geom,map,radius,wait_id,trip_layer){if(!trip_geom){return;}
var linestring_array=[];var bounds=extendMapBounds(map,radius);var points=[];var trip_route_array=(trip_geom.geometry.CLASS_NAME=='OpenLayers.Geometry.MultiLineString')?trip_geom.geometry.components:[trip_geom.geometry];var point;var points_length=0;var linestring_array_length=0;var delta=map.getResolution()*4;for(index_r=0,len_r=trip_route_array.length;index_r<len_r;index_r++){for(index=0,len=trip_route_array[index_r].components.length;index<len;index++){point=trip_route_array[index_r].components[index];if(bounds.contains(point.x,point.y)){if(points_length===0||index_r==len_r-1&&index==len-1||points[points_length-1].distanceTo(point)>delta){points[points_length]=point;points_length+=1;}}else{if(points_length>0){if(points_length>1){linestring_array[linestring_array_length]=new OpenLayers.Geometry.LineString(points);linestring_array_length+=1;}
points=[];points_length=0;}}}}
if(points_length>1){linestring_array[linestring_array_length]=new OpenLayers.Geometry.LineString(points);linestring_array_length+=1;}
if(linestring_array_length>0){getSimpleTripBuffer(new OpenLayers.Geometry.MultiLineString(linestring_array),radius,wait_id,trip_layer);}}
var Trip=Class.create({initialize:function(id,departure_city,departure_address,departure_marker,arrival_city,arrival_address,arrival_marker,user,route){this.id=id;this.departure_city=departure_city;this.departure_address=departure_address;this.departure_marker=departure_marker;this.arrival_city=arrival_city;this.arrival_address=arrival_address;this.arrival_marker=arrival_marker;this.user=user;this.route=route;this.checked=false;this.visible=false;}});var TripUpdater=Class.create({initialize:function(trip_pg,trip_type,quick_search){this.trips=new Hash();this.cache_trip_ids=new Hash();this.trip_page_number=null;this.trip_current_page=0;this.trip_pg=trip_pg;this.trip_type=trip_type;this.suffix=(this.trip_type==TYPE_OFFER)?'o':'d';this.trip_list_id='trip_list_content_'+this.suffix;this.trip_pages_id='trip_pages_'+this.suffix;this.quick_search=quick_search;},updateTrips:function(json_trips,authenticated){var new_trips=new Hash();var obj_this=this;var now=(new Date()).getTime();var timestamp=now+1000*60*5;while($(this.trip_list_id).childNodes.length>0){$(this.trip_list_id).removeChild($(this.trip_list_id).firstChild);}
while($(this.trip_pages_id).childNodes.length>0){$(this.trip_pages_id).removeChild($(this.trip_pages_id).firstChild);}
var json_trips_length=json_trips.length;this.trip_page_number=Math.ceil(json_trips_length/this.trip_pg);this.trip_current_page=(this.trip_current_page>this.trip_page_number-1)?0:this.trip_current_page;if(this.trip_page_number>0){var trip,departure_point,arrival_point,departure_text,arrival_text,end_text,trip_obj;var page_num,trip_page,visible;var trip_div,header_div,span1,span1_img,span2,span2_da,span2_type,span3,cbx,details_div,details_div_top,details_div_mid,p,details_div_bottom,a_show_details,a;for(index=0;index<json_trips_length;index++){trip=json_trips[index];departure_point=wkt.read(trip.departure_point).geometry;arrival_point=wkt.read(trip.arrival_point).geometry;departure_text="<b>"+gettext('Departure')+":</b> "+trip.departure_city;arrival_text="<b>"+gettext('Arrival')+":</b> "+trip.arrival_city;if(trip.departure_address){departure_text+="<br />"+trip.departure_address;}
if(trip.arrival_address){arrival_text+="<br />"+trip.arrival_address;}
if(trip.date){end_text="<br />"+gettext("Departure on")+" "+trip.date;}else{end_text="<br />"+trip.dows;}
departure_text+=end_text;arrival_text+=end_text;departure_text+="<br />"+gettext("Offer by")+" "+trip.user_name;arrival_text+="<br />"+gettext("Offer by")+" "+trip.user_name;trip_obj=new Trip(trip.id,trip.departure_city,trip.departure_address,new OpenLayers.Feature.Vector(departure_point,{id:"d_"+trip.id,name:departure_text},(this.trip_type==TYPE_DEMAND)?departure_passenger_style:departure_car_style),trip.arrival_city,trip.arrival_address,new OpenLayers.Feature.Vector(arrival_point,{id:"a_"+trip.id,name:arrival_text},(this.trip_type==TYPE_DEMAND)?arrival_passenger_style:arrival_car_style),trip.user,null);if(this.trip_type==TYPE_OFFER){if(trip.route){if(!this.cache_trip_ids.get(trip.id)||this.cache_trip_ids.get(trip.id)<now){this.cache_trip_ids.set(trip.id,timestamp);}
trip_obj.route=wkt.read(trip.route);trip_obj.route.style=route_style;}else{if(this.trips.get(trip.id)){trip_obj.route=this.trips.get(trip.id).route;}}}
new_trips.set(trip.id,trip_obj);if(!(index%this.trip_pg)){page_num=Math.floor(index/this.trip_pg);if(undefined!==trip_page){$(this.trip_list_id).appendChild(trip_page);}
trip_page=document.createElement('div');trip_page.setAttribute('id',this.trip_pages_id+'_'+page_num);if(page_num!=this.trip_current_page){trip_page.style.display='none';}}
trip_div=document.createElement('div');Element.extend(trip_div);trip_div.addClassName('trip');header_div=document.createElement('div');Element.extend(header_div);header_div.addClassName('trip_header');span1=document.createElement('span');Element.extend(span1);span1.addClassName('trip_toggle');span1_img=document.createElement('img');span1_img.setAttribute('id','tripti_'+this.suffix+trip.id);visible=this.trips.get(trip.id)&&this.trips.get(trip.id).visible;span1_img.setAttribute('src',media_url+'img/'+(visible?'hide':'show')+'.png');span1_img.setAttribute('alt',gettext("show details"));span1.appendChild(span1_img);header_div.appendChild(span1);span2=document.createElement('span');Element.extend(span2);span2.addClassName('trip_title');span2_da=document.createElement('span');Element.extend(span2_da);span2_da.addClassName('trip_da');span2_da.innerHTML=trip.departure_city+" - "+trip.arrival_city;span2.appendChild(span2_da);span2_type=document.createElement('span');Element.extend(span2_type);span2_type.addClassName('trip_date');span2_type.innerHTML=' '+((trip.date)?trip.date:trip.dows);span2.appendChild(span2_type);header_div.appendChild(span2);span3=document.createElement('span');Element.extend(span3);span3.addClassName('trip_show');cbx=document.createElement('input');Element.extend(cbx);cbx.setAttribute('id','cbx_'+this.suffix+trip.id);cbx.setAttribute('type','checkbox');cbx.addClassName('checkbox');span3.appendChild(cbx);header_div.appendChild(span3);details_div=document.createElement('div');Element.extend(details_div);details_div.setAttribute('id','tripd_'+this.suffix+trip.id);details_div.addClassName('trip_details');p=document.createElement('p');p.innerHTML=trip.time?interpolate(gettext('Departure at about %s'),[trip.time]):gettext("Departure time not specified");if(this.trip_type==TYPE_OFFER){if(typeof(trip.seats_available)=='number'){if(trip.seats_available>0){p.innerHTML+="<br />"+interpolate(ngettext('%s seat still available','%s seats still available',trip.seats_available),[trip.seats_available]);}else{p.innerHTML+="<br />"+gettext("No more seat available");}}else{p.innerHTML+="<br />"+gettext("Seats available not specified");}}
p.innerHTML+="<br /><br />"
span_italic=document.createElement('span');Element.extend(span_italic);span_italic.addClassName('label_italic');span_italic.innerHTML=gettext("Trip author")+": ";;p.appendChild(span_italic);p.innerHTML+=trip.user_name;if(trip.mark){p.innerHTML+=" ";span_mark=document.createElement('span');Element.extend(span_mark);span_mark.addClassName('mark');span_mark.innerHTML=trip.mark;p.appendChild(span_mark);}
p.innerHTML+="<br />";a_show_details=document.createElement('a');a_show_details.setAttribute('href',trip.absolute_url);a_show_details.innerHTML=gettext("Show trip details");p.appendChild(a_show_details);details_div.appendChild(p);if(!visible){details_div.style.display='none';}
trip_div.appendChild(header_div);trip_div.appendChild(details_div);trip_page.appendChild(trip_div);}
$(this.trip_list_id).appendChild(trip_page);$(this.trip_pages_id).innerHTML='Page';for(i=0;i<this.trip_page_number;i++){a=document.createElement('a');Element.extend(a);a.setAttribute('id',this.trip_pages_id+'_lnk_'+i);if(i==this.trip_current_page){a.addClassName('current');}
a.innerHTML=i+1;$(this.trip_pages_id).appendChild(a);a.observe('click',function(event){obj_this.showTripPage.call(obj_this,event);});}}else{var p1=document.createElement('p');p1.innerHTML=gettext("No corresponding trip for the moment.");var p2=document.createElement('p');if(this.quick_search){if(authenticated){p2.innerHTML=gettext("You can create a trip by clicking on the button &laquo;Save this search&raquo;, perhaps another carpool user will contact you about it.");}else{var a_str='<a href="/login/">'+gettext("after login")+'</a>';p2.innerHTML=interpolate(gettext("You can create a trip %s, perhaps another carpool user will contact you about it."),[a_str]);}}
$(this.trip_list_id).appendChild(p1);$(this.trip_list_id).appendChild(p2);}
var key;var old_trip,new_trip;for(index=0,keys=this.trips.keys(),len=keys.length;index<len;index++){key=keys[index];if(!new_trips.get(key)){this.hideTripResult(this.trips.get(key));this.trips.unset(key);this.cache_trip_ids.unset(key);}else{old_trip=this.trips.get(key);new_trip=new_trips.get(key);new_trip.visible=old_trip.visible;if(old_trip.checked){new_trip.checked=true;$('cbx_'+this.suffix+key).checked=true;this.hideTripResult(old_trip);this.displayTripResult(new_trip);}
this.trips.set(key,new_trip);}}
for(index=0,keys=new_trips.keys(),len=keys.length;index<len;index++){key=keys[index];if(!this.trips.get(key)){new_trip=new_trips.get(key);this.trips.set(key,new_trip);$('tripd_'+this.suffix+key).hide();}
$('cbx_'+this.suffix+key).observe('click',function(event){obj_this.displayHideTrip.call(obj_this,event);});$('tripti_'+this.suffix+key).observe('click',function(event){obj_this.toggleTrip.call(obj_this,event);});}},showTripPage:function(event){var regex=new RegExp("^"+this.trip_pages_id+'_lnk_'+"([0-9]+)$");var match=regex.exec(event.element().id);if(match!==null){page_num=match[1];Element.extend($(this.trip_pages_id+'_lnk_'+this.trip_current_page));Element.extend($(this.trip_pages_id+'_lnk_'+page_num));$(this.trip_pages_id+'_'+this.trip_current_page).hide();$(this.trip_pages_id+'_lnk_'+this.trip_current_page).removeClassName('current');$(this.trip_pages_id+'_'+page_num).show();$(this.trip_pages_id+'_lnk_'+page_num).addClassName('current');this.trip_current_page=page_num;}},displayTripResult:function(trip){markers.addFeatures([trip.departure_marker,trip.arrival_marker]);if(trip.route){trip_layer.addFeatures([trip.route]);}},hideTripResult:function(trip){hideMarkerPopup(trip.departure_marker);hideMarkerPopup(trip.arrival_marker);markers.removeFeatures([trip.departure_marker,trip.arrival_marker]);if(trip.route){trip_layer.removeFeatures([trip.route]);}},displayHideTrip:function(event){var element=event.element();var regex=new RegExp("^cbx_"+this.suffix+"([0-9]+)$");var match=regex.exec(element.id);if(match!==null){key=match[1];if(element.checked){this.displayTripResult(this.trips.get(key));}else{this.hideTripResult(this.trips.get(key));}
this.trips.get(key).checked=element.checked;}},toggleTrip:function(event){var element=event.element();var regex=new RegExp("^tripti_"+this.suffix+"([0-9]+)$");var match=regex.exec(element.id);if(match!==null){key=match[1];if(!this.trips.get(key).visible){Effect.SlideDown('tripd_'+this.suffix+key,{duration:0.5});element.setAttribute('src',media_url+'img/hide.png');}else{Effect.SlideUp('tripd_'+this.suffix+key,{duration:0.5});element.setAttribute('src',media_url+'img/show.png');}
this.trips.get(key).visible=!this.trips.get(key).visible;}},getCacheTripIds:function(){var now=(new Date()).getTime();var key;var ret=[];for(index=0,keys=this.cache_trip_ids.keys(),len=keys.length;index<len;index++){key=keys[index];if(this.cache_trip_ids.get(key)>=now){ret[ret.length]=key;}}
return ret;}});function observeRadiusLeft(id_slider,obj_slider){$(id_slider).observe('click',function(){var v=obj_slider.value-obj_slider.increment;if(v>=obj_slider.minimum){obj_slider.setValue(v);}});}
function observeRadiusRight(id_slider,obj_slider){$(id_slider).observe('click',function(){var v=obj_slider.value+obj_slider.increment;if(v<=obj_slider.maximum){obj_slider.setValue(v);}});}
function parseHTML(txt){txt=txt.replace(/&lt;/g,"<")
txt=txt.replace(/&gt;/g,">");txt=txt.replace(/&#39;/g,"'");txt=txt.replace(/&quot;/g,"\"");txt=txt.replace(/&amp;/g,"&");return txt;}