206 lines
9.5 KiB
JavaScript
206 lines
9.5 KiB
JavaScript
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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// OSRM geocoding routines
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// [geocoder query, management and display of geocoder results]
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// [TODO: better separation of GUI and geocoding routines, reverse geocoding]
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// some constants
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OSRM.GEOCODE_POST = 'http://nominatim.openstreetmap.org/search?format=json&bounded=1&viewbox=-27.0,72.0,46.0,36.0';
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OSRM.SOURCE_MARKER_LABEL = "source";
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OSRM.TARGET_MARKER_LABEL = "target";
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// update geo coordinates in input boxes
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function updateLocation(marker_id) {
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if (marker_id == OSRM.SOURCE_MARKER_LABEL && my_markers.route[0].dirty_move == true ) {
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document.getElementById("input-source-name").value = my_markers.route[0].getPosition().lat.toFixed(6) + ", " + my_markers.route[0].getPosition().lng.toFixed(6);
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} else if (marker_id == OSRM.TARGET_MARKER_LABEL && my_markers.route[my_markers.route.length-1].dirty_move == true) {
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document.getElementById("input-target-name").value = my_markers.route[my_markers.route.length-1].getPosition().lat.toFixed(6) + ", " + my_markers.route[my_markers.route.length-1].getPosition().lng.toFixed(6);
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}
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}
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// process input request and call geocoder if needed
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function callGeocoder(marker_id, query) {
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if (marker_id == OSRM.SOURCE_MARKER_LABEL && my_markers.hasSource() && my_markers.route[0].dirty_move == false && my_markers.route[0].dirty_type == false)
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return;
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if (marker_id == OSRM.TARGET_MARKER_LABEL && my_markers.hasTarget() && my_markers.route[my_markers.route.length-1].dirty_move == false && my_markers.route[my_markers.route.length-1].dirty_type == false)
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return;
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if(query=="")
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return;
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//geo coordinates given -> go directly to drawing results
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if(query.match(/^\s*[-+]?[0-9]*\.?[0-9]+\s*[,;]\s*[-+]?[0-9]*\.?[0-9]+\s*$/)){
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var coord = query.split(/[,;]/);
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onclickGeocoderResult(marker_id, coord[0], coord[1], true);
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return;
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}
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//build request
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if (marker_id == OSRM.SOURCE_MARKER_LABEL) {
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var src= OSRM.GEOCODE_POST + "&q=" + query;
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OSRM.JSONP.call( src, showGeocoderResults_Source, showGeocoderResults_Timeout, OSRM.DEFAULTS.JSONP_TIMEOUT, "geocoder_source" );
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} else if (marker_id == OSRM.TARGET_MARKER_LABEL) {
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var src = OSRM.GEOCODE_POST + "&q=" + query;
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OSRM.JSONP.call( src, showGeocoderResults_Target, showGeocoderResults_Timeout, OSRM.DEFAULTS.JSONP_TIMEOUT, "geocoder_target" );
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}
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}
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// helper function for clicks on geocoder search results
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function onclickGeocoderResult(marker_id, lat, lon, do_reverse_geocode, zoom ) {
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var index;
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if( marker_id == OSRM.SOURCE_MARKER_LABEL )
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index = my_markers.setSource( new L.LatLng(lat, lon) );
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else if( marker_id == OSRM.TARGET_MARKER_LABEL )
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index = my_markers.setTarget( new L.LatLng(lat, lon) );
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else
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index = -1; // via nodes not yet implemented
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if( do_reverse_geocode == true )
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updateReverseGeocoder(marker_id);
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if( zoom == undefined )
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zoom = true;
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my_markers.route[index].show();
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if( !my_markers.route[index].dirty_move || my_markers.route[index].dirty_type )
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my_markers.route[index].centerView(zoom);
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getRoute(OSRM.FULL_DESCRIPTION);
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my_markers.route[index].dirty_move = false;
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my_markers.route[index].dirty_type = false;
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}
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// process JSONP response of geocoder
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// (with wrapper functions for source/target jsonp)
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function showGeocoderResults_Source(response) { showGeocoderResults(OSRM.SOURCE_MARKER_LABEL, response); }
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function showGeocoderResults_Target(response) { showGeocoderResults(OSRM.TARGET_MARKER_LABEL, response); }
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function showGeocoderResults(marker_id, response) {
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if(response){
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if(response.length == 0) {
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showGeocoderResults_Empty(marker_id);
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return;
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}
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var html = "";
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html += '<table class="results-table">';
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for(var i=0; i < response.length; i++){
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var result = response[i];
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//odd or even ?
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var rowstyle='results-odd';
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if(i%2==0) { rowstyle='results-even'; }
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html += '<tr class="'+rowstyle+'">';
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html += '<td class="result-counter"><span">'+(i+1)+'.</span></td>';
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html += '<td class="result-items">';
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if(result.display_name){
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html += '<div class="result-item" onclick="onclickGeocoderResult(\''+marker_id+'\', '+result.lat+', '+result.lon+');">'+result.display_name+'</div>';
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}
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html += "</td></tr>";
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}
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html += '</table>';
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document.getElementById('information-box-headline').innerHTML = OSRM.loc("SEARCH_RESULTS")+":";
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document.getElementById('information-box').innerHTML = html;
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onclickGeocoderResult(marker_id, response[0].lat, response[0].lon);
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}
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}
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function showGeocoderResults_Empty(marker_id) {
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document.getElementById('information-box-headline').innerHTML = OSRM.loc("SEARCH_RESULTS")+":";
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if(marker_id == OSRM.SOURCE_MARKER_LABEL)
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document.getElementById('information-box').innerHTML = "<br><p style='font-size:14px;font-weight:bold;text-align:center;'>"+OSRM.loc("NO_RESULTS_FOUND_SOURCE")+".<p>";
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else if(marker_id == OSRM.TARGET_MARKER_LABEL)
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document.getElementById('information-box').innerHTML = "<br><p style='font-size:14px;font-weight:bold;text-align:center;'>"+OSRM.loc("NO_RESULTS_FOUND_TARGET")+".<p>";
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else
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document.getElementById('information-box').innerHTML = "<br><p style='font-size:14px;font-weight:bold;text-align:center;'>"+OSRM.loc("NO_RESULTS_FOUND")+".<p>";
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}
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function showGeocoderResults_Timeout() {
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document.getElementById('information-box-headline').innerHTML = OSRM.loc("SEARCH_RESULTS")+":";
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document.getElementById('information-box').innerHTML = "<br><p style='font-size:14px;font-weight:bold;text-align:center;'>"+OSRM.loc("TIMED_OUT")+".<p>";
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}
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// - [upcoming feature: reverse geocoding (untested) ] -
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OSRM.REVERSE_GEOCODE_POST = 'http://nominatim.openstreetmap.org/reverse?format=json&bounded=1&viewbox=-27.0,72.0,46.0,36.0';
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//update reverse geocoder informatiopn in input boxes
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function updateReverseGeocoder(marker_id) {
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if (marker_id == OSRM.SOURCE_MARKER_LABEL && my_markers.hasSource()) { //&& my_markers.route[0].dirty == true ) {
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//document.getElementById("input-source-name").value = my_markers.route[0].getPosition().lat.toFixed(6) + ", " + my_markers.route[0].getPosition().lng.toFixed(6);
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callReverseGeocoder("source", my_markers.route[0].getPosition().lat, my_markers.route[0].getPosition().lng);
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} else if (marker_id == OSRM.TARGET_MARKER_LABEL && my_markers.hasTarget()) { //&& my_markers.route[my_markers.route.length-1].dirty == true) {
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//document.getElementById("input-target-name").value = my_markers.route[my_markers.route.length-1].getPosition().lat.toFixed(6) + ", " + my_markers.route[my_markers.route.length-1].getPosition().lng.toFixed(6);
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callReverseGeocoder("target", my_markers.route[my_markers.route.length-1].getPosition().lat, my_markers.route[my_markers.route.length-1].getPosition().lng);
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}
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}
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//prepare request and call reverse geocoder
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function callReverseGeocoder(marker_id, lat, lon) {
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//build request
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if (marker_id == OSRM.SOURCE_MARKER_LABEL) {
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var src= OSRM.REVERSE_GEOCODE_POST + "&lat=" + lat + "&lon=" + lon;
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OSRM.JSONP.call( src, showReverseGeocoderResults_Source, showReverseGeocoderResults_Timeout, OSRM.DEFAULTS.JSONP_TIMEOUT, "reverse_geocoder_source" );
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} else if (marker_id == OSRM.TARGET_MARKER_LABEL) {
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var src = OSRM.REVERSE_GEOCODE_POST + "&lat=" + lat + "&lon=" + lon;
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OSRM.JSONP.call( src, showReverseGeocoderResults_Target, showReverseGeocoderResults_Timeout, OSRM.DEFAULTS.JSONP_TIMEOUT, "reverse_geocoder_target" );
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}
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}
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//processing JSONP response of reverse geocoder
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//(with wrapper functions for source/target jsonp)
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function showReverseGeocoderResults_Timeout() {}
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function showReverseGeocoderResults_Source(response) { showReverseGeocoderResults(OSRM.SOURCE_MARKER_LABEL, response); }
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function showReverseGeocoderResults_Target(response) { showReverseGeocoderResults(OSRM.TARGET_MARKER_LABEL, response); }
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function showReverseGeocoderResults(marker_id, response) {
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//OSRM.debug.log("[inner] reverse geocoder");
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if(response){
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if(response.address == undefined)
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return;
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var address = "";
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if( response.address.road)
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address += response.address.road;
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if( response.address.city ) {
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if( address != "" )
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address += ", ";
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address += response.address.city;
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} else if( response.address.village ) {
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if( address != "" )
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address += ", ";
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address += response.address.village;
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}
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if( address == "" && response.address.country )
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address += response.address.country;
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if( address == "" )
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return;
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if(marker_id == OSRM.SOURCE_MARKER_LABEL) {
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document.getElementById("input-source-name").value = address;
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my_markers.route[0].dirty_move = false;
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my_markers.route[0].dirty_type = false;
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} else if(marker_id == OSRM.TARGET_MARKER_LABEL) {
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document.getElementById("input-target-name").value = address;
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my_markers.route[my_markers.route.length-1].dirty_move = false;
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my_markers.route[my_markers.route.length-1].dirty_type = false;
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}
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}
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}
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