plugins/googlemaps/static/js/googlemaps.js

   1 /**
   2  * Description: display a query result in a Google map
   3  * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
   4  * License: GPLv3
   5  */
   6
   7 (function($){
   8
   9    var GoogleMaps = Plugin.extend({
  10
  11         init: function(options, element)
  12         {
  13             this._super(options, element);
  14
  15             /* Member variables */
  16             // query status
  17             this.received_all = false;
  18             this.received_set = false;
  19             this.in_set_buffer = Array();
  20
  21             /* XXX Events XXX */
  22             this.$element.on('show.Datatables', this.on_show);
  23             // TODO in destructor
  24             // $(window).unbind('Hazelnut');
  25
  26             /* Setup query and record handlers */
  27             this.listen_query(options.query_uuid);
  28             this.listen_query(options.query_all_uuid, 'all');
  29
  30             /* GUI setup and event binding */
  31             this.initialize_map();
  32         }, // init
  33
  34         /* PLUGIN EVENTS */
  35
  36         on_show: function()
  37         {
  38             google.maps.event.trigger(map, 'resize');
  39         }, // on_show
  40
  41         /* GUI EVENTS */
  42
  43         /* GUI MANIPULATION */
  44
  45         /**
  46          */
  47         initialize_map: function()
  48         {
  49             this.map = null;
  50             this.markerCluster = null;
  51             this.markers = [];
  52             this.coords = new Array();
  53
  54             var myLatlng = new google.maps.LatLng(this.options.latitude, this.options.longitude);
  55             var myOptions = {
  56                 zoom: this.options.zoom,
  57                 center: myLatlng,
  58                 mapTypeId: google.maps.MapTypeId.ROADMAP
  59             }
  60
  61             this.map = new google.maps.Map(document.getElementById("map"), myOptions);
  62             this.infowindow = new google.maps.InfoWindow();
  63         }, // initialize_map
  64
  65         /**
  66          */
  67         new_record: function(record)
  68         {
  69             // get the coordinates
  70             var latitude=get_value(record['latitude']);
  71             var longitude=get_value(record['longitude']);
  72             var hash = latitude + longitude;
  73
  74             // check to see if we've seen this hash before
  75             if(this.coords[hash] == null) {
  76                 // get coordinate object
  77                 var myLatlng = new google.maps.LatLng(latitude, longitude);
  78                 // store an indicator that we've seen this point before
  79                 this.coords[hash] = 1;
  80             } else {
  81                 // add some randomness to this point 1500 = 100 meters, 15000 = 10 meters
  82                 var lat = latitude + (Math.random() -.5) / 1500;
  83                 var lng = longitude + (Math.random() -.5) / 1500;
  84
  85                 // get the coordinate object
  86                 var myLatlng = new google.maps.LatLng(lat, lng);
  87             }
  88             // If the node is attached to the slice, action will be Remove; else action will be add to slice
  89             if (typeof(record['sliver']) != 'undefined') {
  90                 data.current_resources.push(record['urn']);
  91                 action="del";
  92                 action_class="ui-icon-circle-minus";
  93                 action_message="Remove from slice";
  94             }else{
  95                 action="add";
  96                 action_class="ui-icon-circle-plus";
  97                 action_message="Add to slice";
  98             }
  99             // XXX not working
 100             if (!(record['latitude'])) {
 101                 return true;
 102             }
 103
 104             //jQuery(".map-button").click(button_click);
 105             //if(jQuery.inArray(record, rows)>-1){
 106                 var marker = new google.maps.Marker({
 107                     position: myLatlng,
 108                     title: get_value(record['hostname']),
 109                     // This should be done by the rendering
 110                     content: '<p>Agent: ' + get_value(record['ip']) + ' (' + get_value(record['resource_hrn']) + ')<br/>Platform: ' + get_value(record['platform'])+'</p>' +
 111                             '<div class="map-button" id="'+action+'/'+get_value(record['resource_hrn'])+'" style="cursor:pointer;">'+
 112                             '<span class="ui-icon '+action_class+'" style="clear:both;float:left;"></span>'+action_message+
 113                             '</div>'
 114                 });
 115
 116                 this.addInfoWindow(marker, this.map);
 117                 this.markers.push(marker);
 118             //}
 119
 120         }, // new_record
 121
 122         addInfoWindow: function(marker, map)
 123         {
 124             var self = this;
 125             google.maps.event.addListener(marker, 'click', function () {
 126                 if(self.infowindow){
 127                     self.infowindow.close();
 128                 }
 129                 self.infowindow.setContent(marker.content);// = new google.maps.InfoWindow({ content: marker.content });
 130                 self.infowindow.open(map, marker);
 131                 // onload of the infowindow on the map, bind a click on a button
 132                 google.maps.event.addListener(self.infowindow, 'domready', function() {
 133                     jQuery('.map-button').unbind('click');
 134 //                    jQuery(".map-button").click({instance: instance_, infoWindow: object.infowindow}, button_click);
 135                 });
 136             });
 137         }, // addInfoWindow
 138
 139         set_checkbox: function(record)
 140         {
 141             // XXX urn should be replaced by the key
 142             // XXX we should enforce that both queries have the same key !!
 143             //checkbox_id = "#hazelnut-checkbox-" + object.options.plugin_uuid + "-" + unfold.escape_id(record[ELEMENT_KEY].replace(/\\/g, ''))
 144             //$(checkbox_id, object.table.fnGetNodes()).attr('checked', true);
 145         }, // set_checkbox
 146
 147
 148         /*************************** QUERY HANDLER ****************************/
 149
 150         /*************************** RECORD HANDLER ***************************/
 151
 152         on_new_record: function(record)
 153         {
 154             if (this.received_all)
 155                 // update checkbox for record
 156                 this.set_checkbox(record);
 157             else
 158                 // store for later update of checkboxes
 159                 this.in_set_buffer.push(record);
 160         },
 161
 162         on_clear_records: function(record)
 163         {
 164
 165         },
 166
 167         // Could be the default in parent
 168         on_query_in_progress: function()
 169         {
 170             this.spin();
 171         },
 172
 173         on_query_done: function()
 174         {
 175             if (this.received_all)
 176                 this.unspin();
 177             this.received_set = true;
 178         },
 179
 180         // all
 181
 182         on_all_new_record: function(record)
 183         {
 184             this.new_record(record);
 185         },
 186
 187         on_all_clear_records: function()
 188         {
 189         },
 190
 191         on_all_query_in_progress: function()
 192         {
 193             // XXX parent
 194             this.spin();
 195         },
 196
 197         on_all_query_done: function()
 198         {
 199
 200             // MarkerClusterer
 201             this.markerCluster = new MarkerClusterer(this.map, this.markers, {zoomOnClick: false});
 202             google.maps.event.addListener(this.markerCluster, "clusterclick", function (cluster) {
 203                 var markers = cluster.getMarkers();
 204                 var bounds  = new google.maps.LatLngBounds();
 205               /*
 206               * date: 24/05/2012
 207               * author: lbaron
 208               * Firefox JS Error - replaced $.each by JQuery.each
 209               */
 210               jQuery.each(markers, function(i, marker){
 211                   bounds.extend(marker.getPosition());
 212               });
 213
 214               //map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
 215               this.map.fitBounds(bounds);
 216             });
 217
 218             var self = this;
 219             if (this.received_set) {
 220                 /* XXX needed ? XXX We uncheck all checkboxes ... */
 221                 $("[id^='datatables-checkbox-" + this.options.plugin_uuid +"']").attr('checked', false);
 222
 223                 /* ... and check the ones specified in the resource list */
 224                 $.each(this.in_set_buffer, function(i, record) {
 225                     self.set_checkbox(record);
 226                 });
 227
 228                 this.unspin();
 229             }
 230             this.received_all = true;
 231
 232         }, // on_all_query_done
 233
 234         /************************** PRIVATE METHODS ***************************/
 235
 236         _button_click: function(e)
 237         {
 238             var op_value=this.id.split("/");
 239             if(op_value.length>0) {
 240                 var value = op_value[1];
 241                 manifold.raise_event(this.options.query_uuid, (op_value[0] == 'add')?SET_ADD:SET_REMOVED, value);
 242             }
 243         } // button_click
 244
 245     });
 246
 247     $.plugin('GoogleMaps', GoogleMaps);
 248
 249 })(jQuery);