+/**
+ * Description: display a query result in a Google map
+ * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
+ * License: GPLv3
+ */
+
+(function($){
+
+ var GoogleMaps = Plugin.extend({
+
+ init: function(options, element)
+ {
+ this._super(options, element);
+
+ /* Member variables */
+ // query status
+ this.received_all = false;
+ this.received_set = false;
+ this.in_set_buffer = Array();
+
+ /* XXX Events XXX */
+ this.$element.on('show.Datatables', this.on_show);
+ // TODO in destructor
+ // $(window).unbind('Hazelnut');
+
+ /* Setup query and record handlers */
+ this.listen_query(options.query_uuid);
+ this.listen_query(options.query_all_uuid, 'all');
+
+ /* GUI setup and event binding */
+ this.initialize_map();
+ }, // init
+
+ /* PLUGIN EVENTS */
+
+ on_show: function()
+ {
+ google.maps.event.trigger(map, 'resize');
+ }, // on_show
+
+ /* GUI EVENTS */
+
+ /* GUI MANIPULATION */
+
+ /**
+ */
+ initialize_map: function()
+ {
+ this.map = null;
+ this.markerCluster = null;
+ this.markers = [];
+ this.coords = new Array();
+
+ var myLatlng = new google.maps.LatLng(this.options.latitude, this.options.longitude);
+ var myOptions = {
+ zoom: this.options.zoom,
+ center: myLatlng,
+ mapTypeId: google.maps.MapTypeId.ROADMAP
+ }
+
+ this.map = new google.maps.Map(document.getElementById("map"), myOptions);
+ this.infowindow = new google.maps.InfoWindow();
+ }, // initialize_map
+
+ /**
+ */
+ new_record: function(record)
+ {
+ // get the coordinates
+ var latitude=get_value(record['latitude']);
+ var longitude=get_value(record['longitude']);
+ var hash = latitude + longitude;
+
+ // check to see if we've seen this hash before
+ if(this.coords[hash] == null) {
+ // get coordinate object
+ var myLatlng = new google.maps.LatLng(latitude, longitude);
+ // store an indicator that we've seen this point before
+ this.coords[hash] = 1;
+ } else {
+ // add some randomness to this point 1500 = 100 meters, 15000 = 10 meters
+ var lat = latitude + (Math.random() -.5) / 1500;
+ var lng = longitude + (Math.random() -.5) / 1500;
+
+ // get the coordinate object
+ var myLatlng = new google.maps.LatLng(lat, lng);
+ }
+ // If the node is attached to the slice, action will be Remove; else action will be add to slice
+ if (typeof(record['sliver']) != 'undefined') {
+ data.current_resources.push(record['urn']);
+ action="del";
+ action_class="ui-icon-circle-minus";
+ action_message="Remove from slice";
+ }else{
+ action="add";
+ action_class="ui-icon-circle-plus";
+ action_message="Add to slice";
+ }
+ // XXX not working
+ if (!(record['latitude'])) {
+ return true;
+ }
+
+ //jQuery(".map-button").click(button_click);
+ //if(jQuery.inArray(record, rows)>-1){
+ var marker = new google.maps.Marker({
+ position: myLatlng,
+ title: get_value(record['hostname']),
+ // This should be done by the rendering
+ content: '<p>Agent: ' + get_value(record['ip']) + ' (' + get_value(record['resource_hrn']) + ')<br/>Platform: ' + get_value(record['platform'])+'</p>' +
+ '<div class="map-button" id="'+action+'/'+get_value(record['resource_hrn'])+'" style="cursor:pointer;">'+
+ '<span class="ui-icon '+action_class+'" style="clear:both;float:left;"></span>'+action_message+
+ '</div>'
+ });
+
+ this.addInfoWindow(marker, this.map);
+ this.markers.push(marker);
+ //}
+
+ }, // new_record
+
+ addInfoWindow: function(marker, map)
+ {
+ google.maps.event.addListener(marker, 'click', function () {
+ if(object.infowindow){
+ object.infowindow.close();
+ }
+ object.infowindow.setContent(marker.content);// = new google.maps.InfoWindow({ content: marker.content });
+ object.infowindow.open(map, marker);
+ // onload of the infowindow on the map, bind a click on a button
+ google.maps.event.addListener(object.infowindow, 'domready', function() {
+ jQuery('.map-button').unbind('click');
+// jQuery(".map-button").click({instance: instance_, infoWindow: object.infowindow}, button_click);
+ });
+ });
+ }, // addInfoWindow
+
+ set_checkbox: function(record)
+ {
+ // XXX urn should be replaced by the key
+ // XXX we should enforce that both queries have the same key !!
+ //checkbox_id = "#hazelnut-checkbox-" + object.options.plugin_uuid + "-" + unfold.escape_id(record[ELEMENT_KEY].replace(/\\/g, ''))
+ //$(checkbox_id, object.table.fnGetNodes()).attr('checked', true);
+ }, // set_checkbox
+
+
+ /*************************** QUERY HANDLER ****************************/
+
+ /*************************** RECORD HANDLER ***************************/
+
+ on_new_record: function(record)
+ {
+ if (this.received_all)
+ // update checkbox for record
+ this.set_checkbox(record);
+ else
+ // store for later update of checkboxes
+ this.in_set_buffer.push(record);
+ },
+
+ on_clear_records: function(record)
+ {
+
+ },
+
+ // Could be the default in parent
+ on_query_in_progress: function()
+ {
+ this.spin();
+ },
+
+ on_query_done: function()
+ {
+ if (this.received_all)
+ this.unspin();
+ this.received_set = true;
+ },
+
+ // all
+
+ on_all_new_record: function(record)
+ {
+ this.new_record(record);
+ },
+
+ on_all_clear_records: function()
+ {
+ },
+
+ on_all_query_in_progress: function()
+ {
+ // XXX parent
+ this.spin();
+ },
+
+ on_all_query_done: function()
+ {
+
+ // MarkerClusterer
+ this.markerCluster = new MarkerClusterer(this.map, this.markers, {zoomOnClick: false});
+ google.maps.event.addListener(this.markerCluster, "clusterclick", function (cluster) {
+ var markers = cluster.getMarkers();
+ var bounds = new google.maps.LatLngBounds();
+ /*
+ * date: 24/05/2012
+ * author: lbaron
+ * Firefox JS Error - replaced $.each by JQuery.each
+ */
+ jQuery.each(markers, function(i, marker){
+ bounds.extend(marker.getPosition());
+ });
+
+ //map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
+ this.map.fitBounds(bounds);
+ });
+
+ var self = this;
+ if (this.received_set) {
+ /* XXX needed ? XXX We uncheck all checkboxes ... */
+ $("[id^='datatables-checkbox-" + this.options.plugin_uuid +"']").attr('checked', false);
+
+ /* ... and check the ones specified in the resource list */
+ $.each(this.in_set_buffer, function(i, record) {
+ self.set_checkbox(record);
+ });
+
+ this.unspin();
+ }
+ this.received_all = true;
+
+ }, // on_all_query_done
+
+ /************************** PRIVATE METHODS ***************************/
+
+ _button_click: function(e)
+ {
+ var op_value=this.id.split("/");
+ if(op_value.length>0) {
+ var value = op_value[1];
+ manifold.raise_event(this.options.query_uuid, (op_value[0] == 'add')?SET_ADD:SET_REMOVED, value);
+ }
+ } // button_click
+
+ });
+
+ $.plugin('GoogleMaps', GoogleMaps);
+
+})(jQuery);