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refactored code for history routes

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This commit is contained in:
DennisSchiefer 2012-05-14 12:18:04 +01:00
parent 0976358fdf
commit 979327ec82
4 changed files with 38 additions and 233 deletions
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178
WebContent/base/Backup.OSRM.HistoryRoutes.js
View File

@ -1,178 +0,0 @@
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
// OSRM route management (handles drawing of route geometry - current route, old route, unnamed route, highlight unnamed streets)
// [this holds the route geometry]
OSRM.HistoryRoute = function() {
// how to draw history routes and how many
this._history_styles = [{dashed:false, color:'#FFFFFF', opacity:0.5, weight:5},
{dashed:false, color:'#0000DD', opacity:0.45, weight:5},
{dashed:false, color:'#0000BB', opacity:0.40, weight:5},
{dashed:false, color:'#000099', opacity:0.35, weight:5},
{dashed:false, color:'#000077', opacity:0.30, weight:5},
{dashed:false, color:'#000055', opacity:0.25, weight:5},
{dashed:false, color:'#000033', opacity:0.20, weight:5},
{dashed:false, color:'#000011', opacity:0.15, weight:5},
{dashed:false, color:'#FF0000', opacity:0.50, weight:5}
];
this._history_routes = this._history_styles.length;
// actual history data
this._history_route = [];
this._history_data = [];
for(var i=0, size=this._history_routes; i<size; i++) {
this._history_route.push( new OSRM.SimpleRoute("current" , {dashed:false} ) );
this._history_data[i] = [];
}
// helper functions bound to this
this._initiate_redrawHistory = OSRM.bind(this, this._getRoute_RedrawHistory);
this._callback_redrawHistory = OSRM.bind(this, this._showRoute_RedrawHistory);
};
OSRM.extend( OSRM.HistoryRoute,{
activate: function() {
this.storeHistoryRoute = this._storeHistoryRoute;
this.fetchHistoryRoute = this._fetchHistoryRoute;
this.showHistoryRoutes = this._showHistoryRoutes;
this.clearHistoryRoutes = this._clearHistoryRoutes;
OSRM.G.map.on('zoomend', this._initiate_redrawHistory );
this.storeHistoryRoute();
},
deactivate: function() {
this.clearHistoryRoutes();
this.storeHistoryRoute = this.empty;
this.fetchHistoryRoute = this.empty;
this.showHistoryRoutes = this.empty;
this.clearHistoryRoutes = this.empty;
OSRM.G.map.off('zoomend', this._initiate_redrawHistory );
},
// empty function
empty: function() {},
storeHistoryRoute: function() {},
fetchHistoryRoute: function() {},
showHistoryRoutes: function() {},
clearHistoryRoutes: function() {},
// qctual functions
_storeHistoryRoute: function() {
var route = OSRM.G.route;
if(route.isShown() && route.isRoute()) {
console.log("store");
// store new route and positions in staging spot
this._history_route[0].setPositions( route.getPositions() );
this._history_data[0] = [];
var markers = OSRM.G.markers.route;
for(var i=0,size=markers.length; i<size; i++) {
var position = {
lat:markers[i].getLat(),
lng:markers[i].getLng(),
hint:markers[i].hint
};
this._history_data[0].push(position);
}
this._history_data[0].checksum = OSRM.G.markers.checksum;
}
},
_showHistoryRoutes: function() {
console.log("show");
for(var i=1,size=this._history_routes; i<size; i++) {
this._history_route[i].setStyle( this._history_styles[i] );
this._history_route[i].show();
}
},
_clearHistoryRoutes: function() {
for(var i=0,size=this._history_routes; i<size; i++) {
this._history_route[i].hide();
this._history_route[i].setPositions( [] );
this._history_data[i] = [];
}
},
_fetchHistoryRoute: function() {
if( this._history_data[0].length == 0)
return;
if( this._equalRoute() )
return;
console.log("fetch");
// move route and positions
for(var i=this._history_routes-1; i>0; i--) {
this._history_route[i].setPositions( this._history_route[i-1].getPositions() );
this._history_data[i] = this._history_data[i-1];
}
// reset staging spot
this._history_route[0].setPositions( [] );
this._history_data[0] = [];
},
_equalRoute: function() {
var lhs = OSRM.G.markers.route;
var rhs = this._history_data[0];
for(var i=0,size=Math.min(rhs.length,lhs.length); i<size; i++) {
if( lhs[i].getLat() != rhs[i].lat || lhs[i].getLng() != rhs[i].lng) {
console.log("different routes");
return false;
}
}
console.log("same routes");
return true;
// OSRM.G.markers.route[0].setPosition( positions[0] );
// OSRM.G.markers.route[OSRM.G.markers.route.length-1].setPosition( positions[positions.length-1] );
// for(var i=0; i<OSRM.G.via_points.length; i++)
// OSRM.G.markers.route[i+1].setPosition( new L.LatLng(OSRM.G.via_points[i][0], OSRM.G.via_points[i][1]) );
},
// redraw
_showRoute_RedrawHistory: function(response, history_id) {
if(!response)
return;
var positions = OSRM.RoutingGeometry._decode(response.route_geometry, 5);
this._history_route[history_id].setPositions(positions);
this._updateHints(response, history_id);
},
_getRoute_RedrawHistory: function() {
for(var i=0,size=this._history_routes; i<size; i++)
if( this._history_data[i].length > 0 ) {
OSRM.JSONP.clear('history'+i);
OSRM.JSONP.call(this._buildCall(i)+'&instructions=false', this._callback_redrawHistory, OSRM.JSONP.empty, OSRM.DEFAULTS.JSONP_TIMEOUT, 'history'+i, i);
}
},
_buildCall: function(history_id) {
var source = OSRM.DEFAULTS.HOST_ROUTING_URL;
source += '?z=' + OSRM.G.map.getZoom() + '&output=json&jsonp=%jsonp&geomformat=cmp';
var data = this._history_data[history_id];
if(data.checksum)
source += '&checksum=' + data.checksum;
for(var i=0,size=data.length; i<size; i++) {
source += '&loc=' + data[i].lat.toFixed(6) + ',' + data[i].lng.toFixed(6);
if( data[i].hint)
source += '&hint=' + data[i].hint;
}
return source;
},
_updateHints: function(response, history_id) {
var data = this._history_data[history_id];
data.checksum = response.hint_data.checksum;
var hint_locations = response.hint_data.locations;
for(var i=0; i<hint_locations.length; i++)
data[i].hint = hint_locations[i];
}
});

69
WebContent/base/OSRM.HistoryRoutes.js
View File

@ -78,35 +78,28 @@ OSRM.extend( OSRM.HistoryRoute,{
// actual functions
_storeHistoryRoute: function() {
var route = OSRM.G.route;
if(route.isShown() && route.isRoute()) {
// store current route in staging spot
this._history[0].route.setPositions( route.getPositions() );
this._history[0].checksum = OSRM.G.markers.checksum;
this._history[0].markers = [];
if( !route.isShown() || !route.isRoute() )
return;
// store current route in staging spot
var hint_data = OSRM.G.response.hint_data;
this._history[0].route.setPositions( route.getPositions() );
this._history[0].checksum = hint_data.checksum;
this._history[0].markers = [];
var route = this._currentRoute();
for(var i=0,size=OSRM.G.response.hint_data.locations.length; i<size; i++) {
var position = {
lat:route[i].lat,
lng:route[i].lng,
//hint:OSRM.G.response.hint_data.locations[i]
};
this._history[0].markers.push(position);
}
console.log("store", this._history[0].markers);
var markers = this._getCurrentMarkers();
for(var i=0,size=markers.length; i<size; i++) {
var position = { lat:markers[i].lat, lng:markers[i].lng, hint:hint_data.locations[i] };
this._history[0].markers.push(position);
}
},
_fetchHistoryRoute: function() {
var route = this._currentRoute();
if( OSRM.G.route.isShown() && this._equalRoute(this._history[0].markers, route) ) {
console.log("fetch failed 1");
if( this._history[0].markers.length == 0 )
return;
}
if( this._equalRoute(this._history[1].markers, this._history[0].markers) ) {
console.log("fetch failed 2");
if( OSRM.G.route.isShown() && this._equalMarkers(this._history[0].markers, this._getCurrentMarkers()) )
return;
}
if( this._equalMarkers(this._history[0].markers, this._history[1].markers) )
return;
// move all routes down one position
for(var i=this._history_length-1; i>0; i--) {
@ -118,18 +111,15 @@ OSRM.extend( OSRM.HistoryRoute,{
this._history[0].route.setPositions( [] );
this._history[0].markers = [];
this._history[0].checksum = null;
console.log("fetch", this._history[1].markers);
},
_showHistoryRoutes: function() {
console.log("show");
for(var i=1,size=this._history_length; i<size; i++) {
this._history[i].route.setStyle( this._history_styles[i] );
this._history[i].route.show();
OSRM.G.route.hideOldRoute();
}
},
_clearHistoryRoutes: function() {
console.log("clear");
for(var i=0,size=this._history_length; i<size; i++) {
this._history[i].route.hide();
this._history[i].route.setPositions( [] );
@ -138,36 +128,29 @@ OSRM.extend( OSRM.HistoryRoute,{
}
},
//get current route
_currentRoute: function() {
// get positions of current markers (note: data of jsonp response used, as not all data structures updated!)
_getCurrentMarkers: function() {
var route = [];
var positions = OSRM.G.route.getPositions();
if(positions.length == 0)
return route;
route.push( {lat: positions[0].lat, lng: positions[0].lng });
for(var i=0; i<OSRM.G.response.via_points.length; i++)
route.push( {lat:OSRM.G.response.via_points[i][0], lng:OSRM.G.response.via_points[i][1]} );
route.push( {lat: positions[positions.length-1].lat, lng: positions[positions.length-1].lng });
return route;
},
// check if routes are the same
_equalRoute: function(lhs, rhs) {
console.log("lhs",lhs);
console.log("rhs",rhs);
if(lhs.length == 0) {
console.log("different routes");
// check if two routes are equivalent by checking their markers
_equalMarkers: function(lhs, rhs) {
if(lhs.length != rhs.length)
return false;
}
for(var i=0,size=Math.min(rhs.length,lhs.length); i<size; i++) {
if( lhs[i].lat != rhs[i].lat || lhs[i].lng != rhs[i].lng) {
console.log("different routes");
for(var i=0,size=lhs.length; i<size; i++) {
if( lhs[i].lat != rhs[i].lat || lhs[i].lng != rhs[i].lng)
return false;
}
}
console.log("same routes");
return true;
},
@ -178,7 +161,7 @@ OSRM.extend( OSRM.HistoryRoute,{
var positions = OSRM.RoutingGeometry._decode(response.route_geometry, 5);
this._history[history_id].route.setPositions(positions);
//this._updateHints(response, history_id);
this._updateHints(response, history_id);
},
_getRoute_RedrawHistory: function() {
for(var i=0,size=this._history_length; i<size; i++)

10
WebContent/base/OSRM.Via.js
View File

@ -18,9 +18,6 @@ or see http://www.gnu.org/licenses/agpl.txt.
// OSRM via marker routines
// [find correct position for a via marker]
// store location of via points returned by server
OSRM.GLOBALS.via_points = [];
OSRM.Via = {
@ -49,10 +46,11 @@ findViaIndex: function( new_via_position ) {
var nearest_index = OSRM.Via._findNearestRouteSegment( new_via_position );
// find correct index to insert new via node
var new_via_index = OSRM.G.via_points.length;
var via_points = OSRM.G.response.via_points;
var new_via_index = via_points.length;
var via_index = Array();
for(var i=0; i<OSRM.G.via_points.length; i++) {
via_index[i] = OSRM.Via._findNearestRouteSegment( new L.LatLng(OSRM.G.via_points[i][0], OSRM.G.via_points[i][1]) );
for(var i=0; i<via_points.length; i++) {
via_index[i] = OSRM.Via._findNearestRouteSegment( new L.LatLng(via_points[i][0], via_points[i][1]) );
if(via_index[i] > nearest_index) {
new_via_index = i;
break;

14
WebContent/routing/OSRM.Routing.js
View File

@ -58,7 +58,6 @@ showRoute: function(response) {
return;
OSRM.G.response = response; // needed for printing & history routes!
OSRM.G.via_points = response.via_points.slice(0);
if(response.status == 207) {
OSRM.RoutingGeometry.showNA();
OSRM.RoutingNoNames.showNA();
@ -95,6 +94,7 @@ showRoute_Redraw: function(response) {
if(!response)
return;
//OSRM.G.response = response; // not needed, even harmful as important information is not stored!
if(response.status != 207) {
OSRM.RoutingGeometry.show(response);
OSRM.RoutingNoNames.show(response);
@ -171,11 +171,13 @@ _updateHints: function(response) {
// snap all markers to the received route
_snapRoute: function() {
var positions = OSRM.G.route.getPositions();
OSRM.G.markers.route[0].setPosition( positions[0] );
OSRM.G.markers.route[OSRM.G.markers.route.length-1].setPosition( positions[positions.length-1] );
for(var i=0; i<OSRM.G.via_points.length; i++)
OSRM.G.markers.route[i+1].setPosition( new L.LatLng(OSRM.G.via_points[i][0], OSRM.G.via_points[i][1]) );
var markers = OSRM.G.markers.route;
var via_points = OSRM.G.response.via_points;
markers[0].setPosition( positions[0] );
markers[markers.length-1].setPosition( positions[positions.length-1] );
for(var i=0; i<via_points.length; i++)
markers[i+1].setPosition( new L.LatLng(via_points[i][0], via_points[i][1]) );
OSRM.Geocoder.updateAddress(OSRM.C.SOURCE_LABEL);
OSRM.Geocoder.updateAddress(OSRM.C.TARGET_LABEL);