/**
- * Description: display a query result in a googlemap
- * Copyright (c) 2012 UPMC Sorbonne Universite - INRIA
+ * Description: display a query result in a Google map
+ * Copyright (c) 2012-2013 UPMC Sorbonne Universite - INRIA
* License: GPLv3
*/
-/*
- * It's a best practice to pass jQuery to an IIFE (Immediately Invoked Function
- * Expression) that maps it to the dollar sign so it can't be overwritten by
- * another library in the scope of its execution.
+/* BUGS:
+ * - infowindow is not properly reopened when the maps does not have the focus
*/
(function($){
- var PLUGIN_NAME = 'GoogleMap';
-
- // routing calls
- jQuery.fn.GoogleMap = function( method ) {
- if ( methods[method] ) {
- return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ));
- } else if ( typeof method === 'object' || ! method ) {
- return methods.init.apply( this, arguments );
- } else {
- jQuery.error( 'Method ' + method + ' does not exist on jQuery.' + PLUGIN_NAME );
- }
- };
-
- /***************************************************************************
- * Public methods
- ***************************************************************************/
-
- var methods = {
-
- /**
- * @brief Plugin initialization
- * @param options : an associative array of setting values
- * @return : a jQuery collection of objects on which the plugin is
- * applied, which allows to maintain chainability of calls
- */
- init : function( options ) {
-
- return this.each(function(){
-
- var $this = $(this);
-
- /* An object that will hold private variables and methods */
- var plugin = new GoogleMaps(options);
- $this.data('Manifold', plugin);
-
- plugin.initialize();
-
- /* Events */
- $this.on('show.' + PLUGIN_NAME, methods.show);
-
- $this.set_query_handler(options.query_uuid, plugin.query_handler);
- $this.set_record_handler(options.query_uuid, plugin.record_handler);
- $this.set_record_handler(options.query_all_uuid, plugin.record_handler_all);
-
- }); // this.each
+ // events that happen in the once-per-view range
+ var debug=false;
+ debug=true;
+
+ // more on a on-per-record basis
+ var debug_deep=false;
+ // debug_deep=true;
+
+ var GoogleMap = 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_backlog = [];
+
+ // we keep a couple of global hashes
+ // lat_lon --> { marker, <ul> }
+ // id --> { <li>, <input> }
+ this.by_lat_lon = {};
+ // locating checkboxes by DOM selectors might be abstruse, as we cannot safely assume
+ // all the items will belong under the toplevel <div>
+ this.by_id = {};
+ this.by_init_id = {};
+
+ /* XXX Events */
+ this.elmt().on('show', this, this.on_show);
+ // TODO in destructor
+ // $(window).unbind('QueryTable');
+
+ var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
+ this.object = query.object;
+
+ // see querytable.js for an explanation
+ var keys = manifold.metadata.get_key(this.object);
+ this.canonical_key = (keys && keys.length == 1) ? keys[0] : undefined;
+ //
+ this.init_key = this.options.init_key;
+ // have init_key default to canonical_key
+ this.init_key = this.init_key || this.canonical_key;
+ // sanity check
+ if ( ! this.init_key ) messages.warning ("QueryTable : cannot find init_key");
+ if ( ! this.canonical_key ) messages.warning ("QueryTable : cannot find canonical_key");
+ if (debug) messages.debug("googlemap: canonical_key="+this.canonical_key+" init_key="+this.init_key);
+
+ //// Setup query and record handlers
+ // this query is the one about the slice itself
+ // event related to this query will trigger callbacks like on_new_record
+ this.listen_query(options.query_uuid);
+ // this one is the complete list of resources
+ // and will be bound to callbacks like on_all_new_record
+ this.listen_query(options.query_all_uuid, 'all');
+
+ /* GUI setup and event binding */
+ this.initialize_map();
}, // init
- /**
- * @brief Plugin destruction
- * @return : a jQuery collection of objects on which the plugin is
- * applied, which allows to maintain chainability of calls
- */
- destroy : function( ) {
-
- return this.each(function() {
- var $this = $(this);
- var hazelnut = $this.data('Manifold');
-
- // Unbind all events using namespacing
- $(window).unbind(PLUGIN_NAME);
-
- // Remove associated data
- hazelnut.remove();
- $this.removeData('Manifold');
- });
-
- }, // destroy
-
- show : function( ) {
- google.maps.event.trigger(map, 'resize');
- } // show
+ /* PLUGIN EVENTS */
- }; // var methods;
+ on_show: function(e) {
+ if (debug) messages.debug("googlemap.on_show");
+ var googlemap = e.data;
+ google.maps.event.trigger(googlemap.map, 'resize');
+ }, // on_show
- /***************************************************************************
- * Plugin object
- ***************************************************************************/
+ /* GUI EVENTS */
- function GoogleMaps(options)
- {
- /* member variables */
- this.options = options;
+ /* GUI MANIPULATION */
- // query status
- this.received_all = false;
- this.received_set = false;
- this.in_set_buffer = Array();
-
- var object = this;
-
- /**
- */
- this.initialize = function() {
- this.map = null;
+ initialize_map: function() {
this.markerCluster = null;
- this.markers = [];
- this.coords = new Array();
-
- var myLatlng = new google.maps.LatLng(options.latitude, options.longitude);
+ //create empty LatLngBounds object in order to automatically center the map on the displayed objects
+ this.bounds = new google.maps.LatLngBounds();
+ var center = new google.maps.LatLng(this.options.latitude, this.options.longitude);
var myOptions = {
- zoom: options.zoom,
- center: myLatlng,
- mapTypeId: google.maps.MapTypeId.ROADMAP
+ zoom: this.options.zoom,
+ center: center,
+ scrollwheel: false,
+ mapTypeId: google.maps.MapTypeId.ROADMAP,
}
-
- this.map = new google.maps.Map(document.getElementById("map"), myOptions);
+
+ var domid = this.options.plugin_uuid + '--' + 'googlemap';
+ var elmt = document.getElementById(domid);
+ if (debug) messages.debug("gmap.initialize_map based on domid=" + domid + " elmt=" + elmt);
+ this.map = new google.maps.Map(elmt, myOptions);
this.infowindow = new google.maps.InfoWindow();
- }
-
- /**
- */
- this.new_record = function(record)
- {
-
+ }, // initialize_map
+
+ // return { marker: gmap_marker, ul : <ul DOM> }
+ create_marker_struct: function (object,lat,lon) {
+ // the DOM fragment
+ var dom = $("<p>").addClass("geo").append(object+"(s)");
+ var ul = $("<ul>").addClass("geo");
+ dom.append(ul);
+ // add a gmap marker to the mix
+ var marker = new google.maps.Marker({
+ position: new google.maps.LatLng(lat, lon),
+ title: object,
+ // gmap can deal with a DOM element but not a jquery object
+ content: dom.get(0),
+ });
+ //extend the bounds to include each marker's position
+ this.bounds.extend(marker.position);
+ return {marker:marker, ul:ul};
+ },
+
+ // given an input <ul> element, this method inserts a <li> with embedded checkbox
+ // for displaying/selecting the resource corresponding to the input record
+ // returns the created <input> element for further checkbox manipulation
+ create_record_checkbox: function (record,ul,checked) {
+ var checkbox = $("<input>", {type:'checkbox', checked:checked, class:'geo'});
+ var id=record[this.canonical_key];
+ var init_id=record[this.init_key];
+ // xxx use init_key to find out label - or should we explicitly accept an incoming label_key ?
+ var label=init_id;
+ ul.append($("<li>").addClass("geo").append(checkbox).
+ append($("<span>").addClass("geo").append(label)));
+ // hash by id and by init_id
+ this.by_id[id]=checkbox;
+ this.by_init_id[init_id] = checkbox;
+ //
+ // the callback for when a user clicks
+ // NOTE: this will *not* be called for changes done by program
+ var self=this;
+ checkbox.change( function (e) {
+ manifold.raise_event (self.options.query_uuid, this.checked ? SET_ADD : SET_REMOVED, id);
+ });
+ return checkbox;
+ },
+
+ warning: function (record,message) {
+ try {messages.warning (message+" -- "+this.key+"="+record[this.key]); }
+ catch (err) {messages.warning (message); }
+ },
+
+ // retrieve DOM checkbox and make sure it is checked/unchecked
+ set_checkbox_from_record: function(record, checked) {
+ var init_id=record[this.init_key];
+ var checkbox = this.by_id [ init_id ];
+ checkbox.prop('checked',checked);
+ },
+
+ set_checkbox_from_data: function(id, checked) {
+ var id=record[this.canonical_key];
+ var checkbox = this.by_id [ id ];
+ checkbox.prop('checked',checked);
+ },
+
+ // this record is *in* the slice
+ new_record: function(record) {
+ if (debug_deep) messages.debug ("googlemap.new_record");
+ if (!(record['latitude'])) return false;
+
// 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;
+ var latitude=unfold.get_value(record['latitude']);
+ var longitude=unfold.get_value(record['longitude']);
+ var lat_lon = latitude + longitude;
+
+ // check if we've seen anything at that place already
+ // xxx might make sense to allow for some fuzziness,
+ // i.e. consider 2 places equal if not further away than 300m or so...
+ var marker_s = this.by_lat_lon [lat_lon];
+ if ( marker_s == null ) {
+ marker_s = this.create_marker_struct (this.object, latitude, longitude);
+ this.by_lat_lon [ lat_lon ] = marker_s;
+ this.arm_marker(marker_s.marker, this.map);
+ }
+
+ // now add a line for this resource in the marker
+ // xxx should compute checked here ?
+ // this is where the checkbox will be appended
+ var ul=marker_s.ul;
+ var checkbox = this.create_record_checkbox (record, ul, false);
+ }, // new_record
+
+ arm_marker: function(marker, map) {
+ if (debug_deep) messages.debug ("arm_marker content="+marker.content);
+ var googlemap = this;
+ google.maps.event.addListener(marker, 'click', function () {
+ googlemap.infowindow.close();
+ googlemap.infowindow.setContent(marker.content);
+ googlemap.infowindow.open(map, marker);
+ });
+ }, // arm_marker
+
+ /*************************** QUERY HANDLER ****************************/
+
+ /*************************** RECORD HANDLER ***************************/
+ on_new_record: function(record) {
+ if (debug_deep) messages.debug("on_new_record");
+ if (this.received_all)
+ // update checkbox for record
+ this.set_checkbox_from_record(record, true);
+ else
+ // store for later update of checkboxes
+ this.in_set_backlog.push(record);
+ },
+
+ on_clear_records: function(record) {
+ if (debug_deep) messages.debug("on_clear_records");
+ },
+
+ // Could be the default in parent
+ on_query_in_progress: function() {
+ if (debug) messages.debug("on_query_in_progress (spinning)");
+ this.spin();
+ },
+
+ on_query_done: function() {
+ if (debug) messages.debug("on_query_done");
+ if (this.received_all) {
+ this.unspin();
+ }
+ this.received_set = true;
+ },
+
+ on_field_state_changed: function(data) {
+ if (debug_deep) messages.debug("on_field_state_changed");
+ switch(data.request) {
+ case FIELD_REQUEST_ADD:
+ case FIELD_REQUEST_ADD_RESET:
+ this.set_checkbox_from_data(data.value, true);
+ break;
+ case FIELD_REQUEST_REMOVE:
+ case FIELD_REQUEST_REMOVE_RESET:
+ this.set_checkbox_from_data(data.value, false);
+ break;
+ default:
+ break;
}
-
- //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, object.map);
- object.markers.push(marker);
- //}
-
- };
-
- this.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);
+ },
+
+
+ // all : this
+
+ on_all_new_record: function(record) {
+ if (debug_deep) messages.debug("on_all_new_record");
+ this.new_record(record);
+ },
+
+ on_all_clear_records: function() {
+ if (debug) messages.debug("on_all_clear_records");
+ },
+
+ on_all_query_in_progress: function() {
+ if (debug) messages.debug("on_all_query_in_progress (spinning)");
+ // XXX parent
+ this.spin();
+ },
+
+ on_all_query_done: function() {
+ if (debug) messages.debug("on_all_query_done");
+
+ // MarkerClusterer
+ var markers = [];
+ $.each(this.by_lat_lon, function (k, s) { markers.push(s.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();
+ $.each(cluster_markers, function(i, marker){
+ bounds.extend(marker.getPosition());
});
+ //map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
+ this.map.fitBounds(bounds);
});
- }
-
-
- this.set_checkbox = function(record)
- {
- // XXX urn should be replaced by the key
- // XXX we should enforce that both queries have the same key !!
- //checkbox_id = "#hazelnut-checkbox-" + object.options.plugin_uuid + "-" + unfold.escape_id(record[ELEMENT_KEY].replace(/\\/g, ''))
- //$(checkbox_id, object.table.fnGetNodes()).attr('checked', true);
- }
-
- this.record_handler = function(e, event_type, record)
- {
- // elements in set
- switch(event_type) {
- case NEW_RECORD:
- /* NOTE in fact we are doing a join here */
- if (object.received_all)
- // update checkbox for record
- object.set_checkbox(record);
- else
- // store for later update of checkboxes
- object.in_set_buffer.push(record);
- break;
- case CLEAR_RECORDS:
- // nothing to do here
- break;
- case IN_PROGRESS:
- manifold.spin($(this));
- break;
- case DONE:
- if (object.received_all)
- manifold.spin($(this), false);
- object.received_set = true;
- break;
- }
- };
-
- this.record_handler_all = function(e, event_type, record)
- {
- // all elements
- switch(event_type) {
- case NEW_RECORD:
- // Add the record to the table
- object.new_record(record);
- break;
- case CLEAR_RECORDS:
- // object.table.fnClearTable();
- break;
- case IN_PROGRESS:
- manifold.spin($(this));
- break;
- case DONE:
-
- // MarkerClusterer
- object.markerCluster = new MarkerClusterer(object.map, object.markers, {zoomOnClick: false});
- google.maps.event.addListener(object.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));
- object.map.fitBounds(bounds);
- });
-
- if (object.received_set) {
- /* XXX needed ? XXX We uncheck all checkboxes ... */
- $("[id^='datatables-checkbox-" + object.options.plugin_uuid +"']").attr('checked', false);
-
- /* ... and check the ones specified in the resource list */
- $.each(object.in_set_buffer, function(i, record) {
- object.set_checkbox(record);
- });
-
- manifold.spin($(this), false);
- }
- object.received_all = true;
- break;
+ //now fit the map to the bounds
+ this.map.fitBounds(this.bounds);
+ // Fix the zoom of fitBounds function, it's too close when there is only 1 marker
+ if(markers.length==1){
+ this.map.setZoom(this.map.getZoom()-4);
}
- };
-
-
- this.query_handler = function(e, event_type, query)
- {
- // This replaces the complex set_query function
- // The plugin does not need to remember the query anymore
- switch(event_type) {
- // Filters
- case FILTER_ADDED:
- case FILTER_REMOVED:
- case CLEAR_FILTERS:
- break;
-
- // Fields
- /* Hide/unhide columns to match added/removed fields */
- case FIELD_ADDED:
- break;
- case FIELD_REMOVED:
- break;
- case CLEAR_FIELDS:
- alert('GoogleMaps::clear_fields() not implemented');
- break;
- } // switch
-
-
- }
-
- function button_click(e){
- var op_value=this.id.split("/");
- if(op_value.length>0){
- var value = op_value[1];
- manifold.raise_event(object.options.query_uuid, (op_value[0] == 'add')?SET_ADD:SET_REMOVED, value);
+ var googlemap = this;
+ if (this.received_set) {
+ /* ... and check the ones specified in the resource list */
+ $.each(this.in_set_backlog, function(i, record) {
+ googlemap.set_checkbox_from_record(record, true);
+ });
+ // reset
+ googlemap.in_set_backlog = [];
+
+ if (debug) messages.debug("unspinning");
+ this.unspin();
}
- } // function button_click()
- }
-
- // clear and replace
-// jQuery.each(data.results, function(i, row){
-// jQuery.each(query.filter, function (idx, filter){
-// if(get_value(row[filter[0]])==filter[2]){
-// rows.push(row);
-// }
-// });
-// });
-// data.markerCluster=[];
-// data.markers=[];
-// var myLatlng = new google.maps.LatLng(34.397, 150.644);
-// var myOptions = {
-// zoom: 2,
-// center: myLatlng,
-// mapTypeId: google.maps.MapTypeId.ROADMAP
-// }
-// map = new google.maps.Map(jQuery('#map')[0],myOptions);
-// data.map=map;
-// //map.clearMarkers();
-// update_map(e, rows);
-// }
-// }
-
-})( jQuery );
+ this.received_all = true;
+
+ } // on_all_query_done
+ });
+ /************************** PRIVATE METHODS ***************************/
+
+ $.plugin('GoogleMap', GoogleMap);
+
+})(jQuery);