132 lines
5.0 KiB
JavaScript
132 lines
5.0 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 routing alternatives
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// [everything about handling alternatives]
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OSRM.RoutingAlternatives = {
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// remaining problems: how to handle PRINTING (do it internally), LINKS (add parameter to JSONP call)
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// data of gui buttons for alternativess
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_buttons: [
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{id:"gui-a", label:"A"},
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{id:"gui-b", label:"B"},
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{id:"gui-c", label:"C"},
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{id:"gui-d", label:"D"}
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],
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// prepare using alternatives
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prepare: function(response) {
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// store basic information
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OSRM.G.alternative_count = response.alternative_geometries.length + 1;
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OSRM.G.alternative_active = 0;
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// do nothing if there is no alternative
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if( OSRM.G.alternative_count == 1 )
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return;
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// move best route to alternative array
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console.log("prepare");
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var the_response = OSRM.G.response;
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the_response.alternative_geometries.unshift( response.route_geometry );
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the_response.alternative_instructions.unshift( response.route_instructions );
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the_response.alternative_summaries.unshift( response.route_summary );
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// add alternative GUI
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OSRM.RoutingAlternatives._addGUI();
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},
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prepare_Redraw: function(response) {
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var original = {};
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original.route_geometry = response.route_geometry;
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original.route_instructions = response.route_instructions;
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original.route_summary = response.route_summary;
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OSRM.G.response.alternatives = response.alternatives;
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OSRM.G.response.alternatives.push( original );
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OSRM.RoutingAlternatives._addGUI();
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},
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// press one of the buttons
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press: function(button_id) {
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// switch active alternative
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OSRM.G.alternative_active = button_id;
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// redraw buttons
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var buttons = OSRM.RoutingAlternatives._buttons;
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for(var i=0, size=OSRM.G.alternative_count; i<size; i++) {
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document.getElementById( buttons[i].id ).className = (button_id == i) ? "button-pressed top-right-button" : "button top-right-button";
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}
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},
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// mouse events on buttons
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_click: function(button_id) {
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console.log("click "+button_id);
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if( OSRM.G.alternative_active == button_id )
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return;
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OSRM.RoutingAlternatives.press(button_id);
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OSRM.G.route.hideAlternativeRoute();
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// switch data
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var the_response = OSRM.G.response;
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the_response.route_geometry = the_response.alternative_geometries[button_id];
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the_response.route_instructions = the_response.alternative_instructions[button_id];
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the_response.route_summary = the_response.alternative_summaries[button_id];
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// show alternative
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OSRM.RoutingGeometry.show(the_response);
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OSRM.RoutingNoNames.show(the_response);
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OSRM.RoutingDescription.show(the_response);
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OSRM.RoutingAlternatives._addGUI();
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},
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_mouseover: function(button_id) {
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console.log("over "+button_id);
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if( OSRM.G.alternative_active == button_id )
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return;
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var geometry = OSRM.RoutingGeometry._decode( OSRM.G.response.alternative_geometries[button_id], 5);
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OSRM.G.route.showAlternativeRoute(geometry);
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},
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_mouseout: function(button_id) {
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console.log("out "+button_id);
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if( OSRM.G.alternative_active == button_id )
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return;
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OSRM.G.route.hideAlternativeRoute();
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},
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// add alternatives
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_addGUI: function() {
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var buttons = OSRM.RoutingAlternatives._buttons;
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for(var i=0, size=OSRM.G.alternative_count; i<size; i++) {
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var distance = OSRM.Utils.toHumanDistance(OSRM.G.response.alternative_summaries[i].total_distance);
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var time = OSRM.Utils.toHumanTime(OSRM.G.response.alternative_summaries[i].total_time);
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var tooltip = OSRM.loc("DISTANCE")+":"+distance+" "+OSRM.loc("DURATION")+":"+time;
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var data = '<a class="button top-right-button" id="'+buttons[i].id+'" title="'+tooltip+'">'+buttons[i].label+'</a>';
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document.getElementById('information-box-header').innerHTML = data + document.getElementById('information-box-header').innerHTML;
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}
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for(var i=0, size=OSRM.G.alternative_count; i<size; i++) {
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document.getElementById(buttons[i].id).onclick = function (button_id) { return function() {OSRM.RoutingAlternatives._click(button_id); }; }(i) ;
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document.getElementById(buttons[i].id).onmouseover = function (button_id) { return function() {OSRM.RoutingAlternatives._mouseover(button_id); }; } (i);
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document.getElementById(buttons[i].id).onmouseout = function (button_id) { return function() {OSRM.RoutingAlternatives._mouseout(button_id); }; } (i);
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}
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OSRM.RoutingAlternatives.press( OSRM.G.alternative_active );
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}
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}; |