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 /* BUGS:
   8  * - infowindow is not properly reopened when the maps does not have the focus
   9  */
  10
  11 googlemaps_debug=true;
  12 googlemaps_debug_detailed=false;
  13
  14 (function($){
  15
  16     var GoogleMaps = Plugin.extend({
  17
  18         init: function(options, element) {
  19             if (googlemaps_debug) messages.debug("GoogleMaps.init");
  20             this._super(options, element);
  21
  22             /* Member variables */
  23             // query status
  24             this.received_all = false;
  25             this.received_set = false;
  26             this.in_set_buffer = Array();
  27
  28             // key -> { marker, checked }
  29             this.map_markers = {}
  30
  31             /* XXX Events XXX */
  32             this.el().on('show', this, this.on_show);
  33             // TODO in destructor
  34             // $(window).unbind('Hazelnut');
  35
  36             var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
  37             this.method = query.object;
  38
  39             var keys = manifold.metadata.get_key(this.method);
  40             this.key = (keys && keys.length == 1) ? keys[0] : null;
  41
  42             /* Setup query and record handlers */
  43             this.listen_query(options.query_uuid);
  44             this.listen_query(options.query_all_uuid, 'all');
  45
  46             /* GUI setup and event binding */
  47             this.initialize_map();
  48         }, // init
  49
  50         /* PLUGIN EVENTS */
  51
  52         on_show: function(e) {
  53             if (googlemaps_debug) messages.debug("on_show");
  54             var self = e.data;
  55             google.maps.event.trigger(self.map, 'resize');
  56         }, // on_show
  57
  58         /* GUI EVENTS */
  59
  60         /* GUI MANIPULATION */
  61
  62         /**
  63          */
  64         initialize_map: function() {
  65             if (googlemaps_debug) messages.debug("initialize_map");
  66             this.markerCluster = null;
  67             this.coords = new Array();
  68
  69             var myLatlng = new google.maps.LatLng(this.options.latitude, this.options.longitude);
  70             var myOptions = {
  71                 zoom: this.options.zoom,
  72                 center: myLatlng,
  73                 mapTypeId: google.maps.MapTypeId.ROADMAP,
  74             }
  75
  76             var domid = this.options.plugin_uuid + manifold.separator + 'map';
  77             var el = document.getElementById(domid);
  78             if (googlemaps_debug) messages.debug("gmap.initialize_map based on  domid=" + domid + " el=" + el);
  79             this.map = new google.maps.Map(el, myOptions);
  80             this.infowindow = new google.maps.InfoWindow();
  81         }, // initialize_map
  82
  83         set_checkbox: function(record, checked) {
  84             if (googlemaps_debug_detailed) messages.debug ("set_checkbox");
  85             /* Default: checked = true */
  86             if (typeof checked === 'undefined')
  87                 checked = true;
  88
  89             var key_value;
  90             /* The function accepts both records and their key */
  91             switch (manifold.get_type(record)) {
  92             case TYPE_VALUE:
  93                 key_value = record;
  94                 break;
  95             case TYPE_RECORD:
  96                 /* XXX Test the key before ? */
  97                 key_value = record[this.key];
  98                 break;
  99             default:
 100                 throw "Not implemented";
 101                 break;
 102             }
 103
 104             // we cannot directly edit html, since nothing but marker is displayed
 105             //var checkbox_id = this.id('checkbox', this.id_from_key(this.key, key_value));
 106             //checkbox_id = '#' + checkbox_id.replace(/\./g, '\\.');
 107             //$(checkbox_id, this.table.fnGetNodes()).attr('checked', checked);
 108
 109             var dict_info = this.map_markers[unfold.escape_id(key_value).replace(/\\/g, '')];
 110
 111
 112             // Update the marker content
 113             dict_info.in_set = checked;
 114             dict_info.marker.content = this.get_marker_content(dict_info.record, checked);
 115
 116             // Thierry - this code seems to cause the googlmap area to go all grayed out
 117             // once all the quesries have come back
 118             // BEG turning off temporarily
 119             //            // Update opened infowindow
 120             //            // XXX Factor this code
 121             //            this.infowindow.close();
 122             //            this.infowindow.open(this.map, dict_info.marker);
 123             //            this.infowindow.setContent(dict_info.marker.content);
 124             //            this.els('map-button').unbind('click').click(this, this._button_click);
 125             // END turning off temporarily
 126             //var button = this.checkbox(record, checked);
 127             //this.el('checkbox', this.id_from_record(method, record)).html(button);
 128         },
 129
 130         checkbox: function(record, checked) {
 131             if (googlemaps_debug_detailed) messages.debug ("checkbox");
 132             if (typeof checked === 'undefined')
 133                 checked = false;
 134
 135             var method  = manifold.query_store.find_analyzed_query(this.options.query_uuid).object;
 136             var action = checked ? 'checked' : 'del';
 137             var ctx = {
 138                 action_class  : checked ? 'ui-icon-circle-minus' : 'ui-icon-circle-plus',
 139                 action_message: checked ? 'Remove from slice' : 'Add to slice',
 140             };
 141             var button = this.load_template('template', ctx);
 142
 143             var id_record = this.id_from_record(method, record);
 144             if (!id_record)
 145                 return 'ERROR';
 146             var id = this.id('checkbox', this.id_from_record(method, record));
 147             return "<div id='" + id + "'>" + button + "</div>";
 148         },
 149
 150         get_marker_content: function(record, checked) {
 151             if (googlemaps_debug_detailed) messages.debug ("get_marker_content");
 152             return '<p><b>' + this.method + '</b>: ' + get_value(record['resource_hrn']) + '<br/><b>network</b>: ' + get_value(record['network'])+'</p>' + this.checkbox(record, checked);
 153         },
 154
 155         /**
 156          */
 157         new_record: function(record) {
 158             if (googlemaps_debug_detailed) messages.debug ("new_record");
 159             // get the coordinates
 160             var latitude=get_value(record['latitude']);
 161             var longitude=get_value(record['longitude']);
 162             var hash = latitude + longitude;
 163
 164             // check to see if we've seen this hash before
 165             if(this.coords[hash] == null) {
 166                 // get coordinate object
 167                 var myLatlng = new google.maps.LatLng(latitude, longitude);
 168                 // store an indicator that we've seen this point before
 169                 this.coords[hash] = 1;
 170             } else {
 171                 // add some randomness to this point 1500 = 100 meters, 15000 = 10 meters
 172                 var lat = latitude + (Math.random() -.5) / 1500;
 173                 var lng = longitude + (Math.random() -.5) / 1500;
 174
 175                 // get the coordinate object
 176                 var myLatlng = new google.maps.LatLng(lat, lng);
 177             }
 178             // XXX not working
 179             if (!(record['latitude'])) {
 180                 return true;
 181             }
 182
 183             //jQuery(".map-button").click(button_click);
 184             //if(jQuery.inArray(record, rows)>-1){
 185             var marker = new google.maps.Marker({
 186                 position: myLatlng,
 187                 title: get_value(record['hostname']),
 188                 // This should be done by the rendering
 189                 content: this.get_marker_content(record, false),
 190             });
 191
 192             this.addInfoWindow(marker, this.map);
 193             var key_value = (this.key in record) ? record[this.key] : null;
 194             if (!key_value)
 195                 return;
 196             this.map_markers[unfold.escape_id(key_value).replace(/\\/g, '')] = {
 197                 marker: marker,
 198                 in_set: false,
 199                 record: record,
 200                 value: key_value
 201             }
 202             //}
 203
 204         }, // new_record
 205
 206         addInfoWindow: function(marker, map) {
 207             if (googlemaps_debug_detailed) messages.debug ("addInfoWindow");
 208             var self = this;
 209             google.maps.event.addListener(marker, 'click', function () {
 210                 if(self.infowindow){
 211                     self.infowindow.close();
 212                 }
 213                 self.infowindow.setContent(marker.content);// = new google.maps.InfoWindow({ content: marker.content });
 214                 self.infowindow.open(map, marker);
 215                 // onload of the infowindow on the map, bind a click on a button
 216                 google.maps.event.addListener(self.infowindow, 'domready', function() {
 217                     self.els('map-button').unbind('click').click(self, self._button_click);
 218                     //                    jQuery(".map-button").click({instance: instance_, infoWindow: object.infowindow}, button_click);
 219                 });
 220             });
 221         }, // addInfoWindow
 222
 223
 224         /*************************** QUERY HANDLER ****************************/
 225
 226         /*************************** RECORD HANDLER ***************************/
 227
 228         on_new_record: function(record) {
 229             if (googlemaps_debug_detailed) messages.debug("on_new_record");
 230             if (this.received_all)
 231                 // update checkbox for record
 232                 this.set_checkbox(record);
 233             else
 234                 // store for later update of checkboxes
 235                 this.in_set_buffer.push(record);
 236         },
 237
 238         on_clear_records: function(record) {
 239             if (googlemaps_debug_detailed) messages.debug("on_clear_records");
 240         },
 241
 242         // Could be the default in parent
 243         on_query_in_progress: function() {
 244             if (googlemaps_debug) messages.debug("on_query_in_progress");
 245             this.spin();
 246         },
 247
 248         on_query_done: function() {
 249             if (googlemaps_debug) messages.debug("on_query_done");
 250             if (this.received_all)
 251                 this.unspin();
 252             this.received_set = true;
 253         },
 254
 255         on_field_state_changed: function(data) {
 256             if (googlemaps_debug) messages.debug("on_field_state_changed");
 257             switch(data.request) {
 258             case FIELD_REQUEST_ADD:
 259             case FIELD_REQUEST_ADD_RESET:
 260                 this.set_checkbox(data.value, true);
 261                 break;
 262             case FIELD_REQUEST_REMOVE:
 263             case FIELD_REQUEST_REMOVE_RESET:
 264                 this.set_checkbox(data.value, false);
 265                 break;
 266             default:
 267                 break;
 268             }
 269         },
 270
 271
 272         // all
 273
 274         on_all_new_record: function(record) {
 275             if (googlemaps_debug_detailed) messages.debug("on_all_new_record");
 276             this.new_record(record);
 277         },
 278
 279         on_all_clear_records: function() {
 280             if (googlemaps_debug) messages.debug("on_all_clear_records");
 281         },
 282
 283         on_all_query_in_progress: function() {
 284             if (googlemaps_debug) messages.debug("on_all_query_in_progress");
 285             // XXX parent
 286             this.spin();
 287         },
 288
 289         on_all_query_done: function() {
 290             if (googlemaps_debug) messages.debug("on_all_query_done");
 291             // MarkerClusterer
 292             var markers = [];
 293             $.each(this.map_markers, function (k, v) { markers.push(v.marker); });
 294
 295             this.markerCluster = new MarkerClusterer(this.map, markers, {zoomOnClick: false});
 296             google.maps.event.addListener(this.markerCluster, "clusterclick", function (cluster) {
 297                 var cluster_markers = cluster.getMarkers();
 298                 var bounds  = new google.maps.LatLngBounds();
 299                 /*
 300                  * date: 24/05/2012
 301                  * author: lbaron
 302                  * Firefox JS Error - replaced $.each by JQuery.each
 303                  */
 304                 jQuery.each(cluster_markers, function(i, marker){
 305                     bounds.extend(marker.getPosition());
 306                 });
 307
 308                 //map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
 309                 this.map.fitBounds(bounds);
 310             });
 311
 312             var self = this;
 313             if (this.received_set) {
 314                 /* XXX needed ? XXX We uncheck all checkboxes ... */
 315                 //$("[id^='datatables-checkbox-" + this.options.plugin_uuid +"']").attr('checked', false);
 316
 317                 /* ... and check the ones specified in the resource list */
 318                 $.each(this.in_set_buffer, function(i, record) {
 319                     self.set_checkbox(record, true);
 320                 });
 321
 322                 this.unspin();
 323             }
 324             this.received_all = true;
 325
 326         }, // on_all_query_done
 327
 328         /************************** PRIVATE METHODS ***************************/
 329
 330         _button_click: function(e) {
 331             if (googlemaps_debug) messages.debug("_button_click");
 332             var self   = e.data;
 333
 334             var escaped_key = self.key_from_id($(this).parent().attr('id'), 'checkbox');
 335             var info_dict = self.map_markers[escaped_key];
 336             var in_set = info_dict.in_set;
 337             var value = info_dict.value;
 338
 339             var escaped_key = self.map_markers[self.key_from_id($(this).parent().attr('id'), 'checkbox')]
 340             manifold.raise_event(self.options.query_uuid, (in_set) ? SET_REMOVED : SET_ADD, value);
 341         } // _button_click
 342
 343     });
 344
 345     $.plugin('GoogleMaps', GoogleMaps);
 346
 347 })(jQuery);