--- /dev/null
+/**
+ * Description: display a query result in a Google map
+ * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
+ * License: GPLv3
+ */
+
+/* BUGS:
+ * - infowindow is not properly reopened when the maps does not have the focus
+ */
+
+googlemap_debug=true;
+googlemap_debug_detailed=false;
+
+(function($){
+
+ var GoogleMap = Plugin.extend({
+
+ init: function(options, element) {
+ if (googlemap_debug) messages.debug("GoogleMap.init");
+ this._super(options, element);
+
+ /* Member variables */
+ // query status
+ this.received_all = false;
+ this.received_set = false;
+ this.in_set_buffer = [];
+
+ // key -> { marker, checked }
+ this.map_markers = {}
+
+ /* XXX Events XXX */
+ this.elmt().on('show', this, this.on_show);
+ // TODO in destructor
+ // $(window).unbind('Hazelnut');
+
+ var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
+ this.method = query.object;
+
+ var keys = manifold.metadata.get_key(this.method);
+ this.key = (keys && keys.length == 1) ? keys[0] : null;
+
+ /* 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(e) {
+ if (googlemap_debug) messages.debug("on_show");
+ var self = e.data;
+ google.maps.event.trigger(self.map, 'resize');
+ }, // on_show
+
+ /* GUI EVENTS */
+
+ /* GUI MANIPULATION */
+
+ /**
+ */
+ initialize_map: function() {
+ if (googlemap_debug) messages.debug("initialize_map");
+ this.markerCluster = null;
+ 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,
+ }
+
+ var domid = this.options.plugin_uuid + manifold.separator + 'map';
+ var el = document.getElementById(domid);
+ if (googlemap_debug) messages.debug("gmap.initialize_map based on domid=" + domid + " el=" + el);
+ this.map = new google.maps.Map(el, myOptions);
+ this.infowindow = new google.maps.InfoWindow();
+ }, // initialize_map
+
+ set_checkbox: function(record, checked) {
+ if (googlemap_debug_detailed) messages.debug ("set_checkbox");
+ /* Default: checked = true */
+ if (typeof checked === 'undefined')
+ checked = true;
+
+ var key_value;
+ /* The function accepts both records and their key */
+ switch (manifold.get_type(record)) {
+ case TYPE_VALUE:
+ key_value = record;
+ break;
+ case TYPE_RECORD:
+ /* XXX Test the key before ? */
+ key_value = record[this.key];
+ break;
+ default:
+ throw "Not implemented";
+ break;
+ }
+
+ // we cannot directly edit html, since nothing but marker is displayed
+ //var checkbox_id = this.id('checkbox', this.id_from_key(this.key, key_value));
+ //checkbox_id = '#' + checkbox_id.replace(/\./g, '\\.');
+ //$(checkbox_id, this.table.fnGetNodes()).attr('checked', checked);
+
+ var dict_info = this.map_markers[unfold.escape_id(key_value).replace(/\\/g, '')];
+
+
+ // Update the marker content
+ dict_info.in_set = checked;
+ dict_info.marker.content = this.get_marker_content(dict_info.record, checked);
+
+ // Thierry - this code seems to cause the googlemap area to go all grayed out
+ // once all the quesries have come back
+ // BEG turning off temporarily
+ // // Update opened infowindow
+ // // XXX Factor this code
+ // this.infowindow.close();
+ // this.infowindow.open(this.map, dict_info.marker);
+ // this.infowindow.setContent(dict_info.marker.content);
+ // this.elts('map-button').unbind('click').click(this, this._button_click);
+ // END turning off temporarily
+ //var button = this.checkbox(record, checked);
+ //this.elmt('checkbox', this.id_from_record(method, record)).html(button);
+ },
+
+ checkbox: function(record, checked) {
+ if (googlemap_debug_detailed) messages.debug ("checkbox");
+ if (typeof checked === 'undefined')
+ checked = false;
+
+ var method = manifold.query_store.find_analyzed_query(this.options.query_uuid).object;
+ var action = checked ? 'checked' : 'del';
+ var ctx = {
+ action_class : checked ? 'ui-icon-circle-minus' : 'ui-icon-circle-plus',
+ action_message: checked ? 'Remove from slice' : 'Add to slice',
+ };
+ var button = this.load_template('template', ctx);
+
+ var id_record = this.id_from_record(method, record);
+ if (!id_record)
+ return 'ERROR';
+ var id = this.id('checkbox', this.id_from_record(method, record));
+ return "<div id='" + id + "'>" + button + "</div>";
+ },
+
+ get_marker_content: function(record, checked) {
+ if (googlemap_debug_detailed) messages.debug ("get_marker_content");
+ return '<p><b>' + this.method + '</b>: ' + get_value(record['resource_hrn']) + '<br/><b>network</b>: ' + get_value(record['network'])+'</p>' + this.checkbox(record, checked);
+ },
+
+ /**
+ */
+ new_record: function(record) {
+ if (googlemap_debug_detailed) messages.debug ("new_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);
+ }
+ // 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: this.get_marker_content(record, false),
+ });
+
+ this.addInfoWindow(marker, this.map);
+ var key_value = (this.key in record) ? record[this.key] : null;
+ if (!key_value)
+ return;
+ this.map_markers[unfold.escape_id(key_value).replace(/\\/g, '')] = {
+ marker: marker,
+ in_set: false,
+ record: record,
+ value: key_value
+ }
+ //}
+
+ }, // new_record
+
+ addInfoWindow: function(marker, map) {
+ if (googlemap_debug_detailed) messages.debug ("addInfoWindow");
+ var self = this;
+ google.maps.event.addListener(marker, 'click', function () {
+ if(self.infowindow){
+ self.infowindow.close();
+ }
+ self.infowindow.setContent(marker.content);// = new google.maps.InfoWindow({ content: marker.content });
+ self.infowindow.open(map, marker);
+ // onload of the infowindow on the map, bind a click on a button
+ google.maps.event.addListener(self.infowindow, 'domready', function() {
+ self.elts('map-button').unbind('click').click(self, self._button_click);
+ // jQuery(".map-button").click({instance: instance_, infoWindow: object.infowindow}, button_click);
+ });
+ });
+ }, // addInfoWindow
+
+
+ /*************************** QUERY HANDLER ****************************/
+
+ /*************************** RECORD HANDLER ***************************/
+
+ on_new_record: function(record) {
+ if (googlemap_debug_detailed) messages.debug("on_new_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) {
+ if (googlemap_debug_detailed) messages.debug("on_clear_records");
+ },
+
+ // Could be the default in parent
+ on_query_in_progress: function() {
+ if (googlemap_debug) messages.debug("on_query_in_progress");
+ this.spin();
+ },
+
+ on_query_done: function() {
+ if (googlemap_debug) messages.debug("on_query_done");
+ if (this.received_all)
+ this.unspin();
+ this.received_set = true;
+ },
+
+ on_field_state_changed: function(data) {
+ if (googlemap_debug) messages.debug("on_field_state_changed");
+ switch(data.request) {
+ case FIELD_REQUEST_ADD:
+ case FIELD_REQUEST_ADD_RESET:
+ this.set_checkbox(data.value, true);
+ break;
+ case FIELD_REQUEST_REMOVE:
+ case FIELD_REQUEST_REMOVE_RESET:
+ this.set_checkbox(data.value, false);
+ break;
+ default:
+ break;
+ }
+ },
+
+
+ // all
+
+ on_all_new_record: function(record) {
+ if (googlemap_debug_detailed) messages.debug("on_all_new_record");
+ this.new_record(record);
+ },
+
+ on_all_clear_records: function() {
+ if (googlemap_debug) messages.debug("on_all_clear_records");
+ },
+
+ on_all_query_in_progress: function() {
+ if (googlemap_debug) messages.debug("on_all_query_in_progress");
+ // XXX parent
+ this.spin();
+ },
+
+ on_all_query_done: function() {
+ if (googlemap_debug) messages.debug("on_all_query_done");
+ // MarkerClusterer
+ var markers = [];
+ $.each(this.map_markers, function (k, v) { markers.push(v.marker); });
+
+ this.markerCluster = new MarkerClusterer(this.map, markers, {zoomOnClick: false});
+ google.maps.event.addListener(this.markerCluster, "clusterclick", function (cluster) {
+ var cluster_markers = cluster.getMarkers();
+ var bounds = new google.maps.LatLngBounds();
+ /*
+ * date: 24/05/2012
+ * author: lbaron
+ * Firefox JS Error - replaced $.each by JQuery.each
+ */
+ jQuery.each(cluster_markers, function(i, marker){
+ bounds.extend(marker.getPosition());
+ });
+
+ //map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
+ this.map.fitBounds(bounds);
+ });
+
+ var self = this;
+ if (this.received_set) {
+ /* XXX needed ? XXX We uncheck all checkboxes ... */
+ //$("[id^='datatables-checkbox-" + this.options.plugin_uuid +"']").attr('checked', false);
+
+ /* ... and check the ones specified in the resource list */
+ $.each(this.in_set_buffer, function(i, record) {
+ self.set_checkbox(record, true);
+ });
+ // reset
+ self.in_set_buffer = [];
+
+ this.unspin();
+ }
+ this.received_all = true;
+
+ }, // on_all_query_done
+
+ /************************** PRIVATE METHODS ***************************/
+
+ _button_click: function(e) {
+ if (googlemap_debug) messages.debug("_button_click");
+ var self = e.data;
+
+ var escaped_key = self.key_from_id($(this).parent().attr('id'), 'checkbox');
+ var info_dict = self.map_markers[escaped_key];
+ var in_set = info_dict.in_set;
+ var value = info_dict.value;
+
+ var escaped_key = self.map_markers[self.key_from_id($(this).parent().attr('id'), 'checkbox')]
+ manifold.raise_event(self.options.query_uuid, (in_set) ? SET_REMOVED : SET_ADD, value);
+ } // _button_click
+
+ });
+
+ $.plugin('GoogleMap', GoogleMap);
+
+})(jQuery);
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