* - infowindow is not properly reopened when the maps does not have the focus
*/
-// events that happen in the once-per-view range
-googlemap_debug=false;
-// more on a on-per-record basis
-googlemap_debug_detailed=false;
-
(function($){
+ // events that happen in the once-per-view range
+ var debug=false;
+ debug=true;
+
+ // this now should be obsolete, rather use plugin_debug in plugin.js
+ // more on a on-per-record basis
+ var debug_deep=false;
+ // debug_deep=true;
+
var GoogleMap = Plugin.extend({
init: function(options, element) {
+ this.classname="googlemap";
this._super(options, element);
/* Member variables */
this.in_set_backlog = [];
// we keep a couple of global hashes
- // lat_lon --> { marker, <ul> }
- // hrn --> { <li>, <input> }
- this.by_lat_lon = {};
- this.by_hrn = {};
-
- /* XXX Events */
+ // 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 = {};
+
+ /* Events */
+ // xx somehow non of these triggers at all for now
this.elmt().on('show', this, this.on_show);
- // TODO in destructor
- // $(window).unbind('QueryTable');
+ this.elmt().on('shown.bs.tab', this, this.on_show);
+ this.elmt().on('resize', this, this.on_resize);
var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
this.object = query.object;
- var keys = manifold.metadata.get_key(this.object);
- //
- this.key = (keys && keys.length == 1) ? keys[0] : null;
+ // 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 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 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 */
/* PLUGIN EVENTS */
on_show: function(e) {
- if (googlemap_debug) messages.debug("googlemap.on_show");
+ if (debug) messages.debug("googlemap.on_show");
var googlemap = e.data;
google.maps.event.trigger(googlemap.map, 'resize');
- }, // on_show
+ },
+ // dummy to see if this triggers at all
+ on_resize: function(e) {
+ if (debug) messages.debug("googlemap.on_resize ...");
+ },
/* GUI EVENTS */
initialize_map: function() {
this.markerCluster = null;
-
+ //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: this.options.zoom,
center: center,
- scrollwheel: false,
+ scrollwheel: false,
mapTypeId: google.maps.MapTypeId.ROADMAP,
}
-
+
var domid = this.options.plugin_uuid + '--' + 'googlemap';
- var elmt = document.getElementById(domid);
- if (googlemap_debug) messages.debug("gmap.initialize_map based on domid=" + domid + " elmt=" + elmt);
+ var elmt = document.getElementById(domid);
this.map = new google.maps.Map(elmt, myOptions);
this.infowindow = new google.maps.InfoWindow();
}, // initialize_map
- // xxx probably not the right place
- // The function accepts both records and their key
- record_hrn : function (record) {
- var key_value;
- switch (manifold.get_type(record)) {
- case TYPE_VALUE:
- key_value = record;
- break;
- case TYPE_RECORD:
- if ( ! this.key in record ) return;
- key_value = record[this.key];
- break;
- default:
- throw "Not implemented";
- break;
- }
- // XXX BACKSLASHES original code was reading like this
- //return this.escape_id(key_value).replace(/\\/g, '');
- // however this sequence removes backslashes from hrn's and as a result
- // queryupdater was getting all mixed up
- // querytable does publish hrn's with backslashes and that seems like the thing to do
- return key_value;
- },
-
- // 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),
+ // 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
+ // gmap can deal with a DOM element but not a jquery object
content: dom.get(0),
- });
- return {marker:marker, ul:ul};
- },
-
- // add an entry in the marker <ul> tag for that record
- // returns { checkbox : <input DOM> }
- create_record_checkbox: function (record,ul,checked) {
- var checkbox = $("<input>", {type:'checkbox', checked:checked, class:'geo'});
- var hrn=this.record_hrn(record);
- ul.append($("<li>").addClass("geo").append(checkbox).
- append($("<span>").addClass("geo").append(hrn)));
- var googlemap=this;
- // the callback for when a user clicks
- // NOTE: this will *not* be called for changes done by program
- checkbox.change( function (e) {
- if (googlemap_debug) messages.debug("googlemap click handler checked= " + this.checked + " hrn=" + hrn);
- manifold.raise_event (googlemap.options.query_uuid,
- this.checked ? SET_ADD : SET_REMOVED, hrn);
- });
- return checkbox;
- },
-
- // retrieve DOM checkbox and make sure it is checked/unchecked
- set_checkbox: function(record, checked) {
- var hrn=this.record_hrn (record);
- if (! hrn) {
- try {messages.warning ("googlemap.set_checkbox: record has no hrn -- hostname="+record.hostname); }
- catch (err) {messages.warning ("googlemap.set_checkbox: record has no hrn"); }
- return;
- }
- var checkbox_s = this.by_hrn [ hrn ];
- if (! checkbox_s ) { messages.warning ("googlemap.set_checkbox: could not spot checkbox for hrn "+hrn); return; }
- checkbox_s.checkbox.prop('checked',checked);
- }, // set_checkbox
-
- // this record is *in* the slice
+ });
+ //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_init_id [ init_id ];
+ if (checkbox) checkbox.prop('checked',checked);
+ else this.warning(record, "googlemap.set_checkbox_from_record - not found "+init_id);
+ },
+
+ set_checkbox_from_data: function(id, checked) {
+ var checkbox = this.by_id [ id ];
+ if (checkbox) checkbox.prop('checked',checked);
+ else messages.warning("googlemap.set_checkbox_from_data - id not found "+id);
+ },
+
+ // this record is *in* the slice
new_record: function(record) {
- if (googlemap_debug_detailed) messages.debug ("new_record");
+ if (debug_deep) messages.debug ("googlemap.new_record");
if (!(record['latitude'])) return false;
-
+
// get the coordinates
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);
- if ( ! this.key in record ) return;
- var key_value = record[this.key];
- // see XXX BACKSLASHES
- //var hrn = this.escape_id(key_value).replace(/\\/g, '');
- var hrn = key_value;
- this.by_hrn[hrn] = {
- checkbox: checkbox,
- // xxx Thierry sept 2013
- // xxx actually we might have just used a domid-based scheme instead of the hash
- // since at this point we only need to retrieve the checkbox from an hrn
- // but I was not sure enough that extra needs would not show up so I kept this in place
- // xxx not sure these are actually useful :
- value: key_value,
- record: record,
- }
+ // 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 (googlemap_debug_detailed) messages.debug ("arm_marker content="+marker.content);
+ if (debug_deep) messages.debug ("arm_marker content="+marker.content);
var googlemap = this;
google.maps.event.addListener(marker, 'click', function () {
googlemap.infowindow.close();
/*************************** RECORD HANDLER ***************************/
on_new_record: function(record) {
- if (googlemap_debug_detailed) messages.debug("on_new_record");
+ if (debug_deep) messages.debug("googlemap.on_new_record");
if (this.received_all)
// update checkbox for record
- this.set_checkbox(record, true);
+ 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 (googlemap_debug_detailed) messages.debug("on_clear_records");
+ if (debug_deep) messages.debug("googlemap.on_clear_records");
},
// Could be the default in parent
on_query_in_progress: function() {
- if (googlemap_debug) messages.debug("on_query_in_progress (spinning)");
+ if (debug) messages.debug("googlemap.on_query_in_progress (spinning)");
this.spin();
},
on_query_done: function() {
- if (googlemap_debug) messages.debug("on_query_done");
+ if (debug) messages.debug("googlemap.on_query_done");
if (this.received_all) {
this.unspin();
- }
+ }
this.received_set = true;
},
on_field_state_changed: function(data) {
- if (googlemap_debug_detailed) messages.debug("on_field_state_changed");
+ if (debug_deep) messages.debug("googlemap.on_field_state_changed");
switch(data.request) {
case FIELD_REQUEST_ADD:
case FIELD_REQUEST_ADD_RESET:
- this.set_checkbox(data.value, true);
+ this.set_checkbox_from_data(data.value, true);
break;
case FIELD_REQUEST_REMOVE:
case FIELD_REQUEST_REMOVE_RESET:
- this.set_checkbox(data.value, false);
+ this.set_checkbox_from_data(data.value, false);
break;
default:
break;
// all : this
on_all_new_record: function(record) {
- if (googlemap_debug_detailed) messages.debug("on_all_new_record");
+ if (debug_deep) messages.debug("googlemap.on_all_new_record");
this.new_record(record);
},
on_all_clear_records: function() {
- if (googlemap_debug) messages.debug("on_all_clear_records");
+ if (debug) messages.debug("googlemap.on_all_clear_records");
},
on_all_query_in_progress: function() {
- if (googlemap_debug) messages.debug("on_all_query_in_progress (spinning)");
+ if (debug) messages.debug("googlemap.on_all_query_in_progress (spinning)");
// XXX parent
this.spin();
},
on_all_query_done: function() {
- if (googlemap_debug) messages.debug("on_all_query_done");
+ if (debug) messages.debug("googlemap.on_all_query_done");
// MarkerClusterer
var markers = [];
//map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
this.map.fitBounds(bounds);
});
-
+ //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);
+ }
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(record, true);
+ googlemap.set_checkbox_from_record(record, true);
});
- // reset
- googlemap.in_set_backlog = [];
-
- if (googlemap_debug) messages.debug("unspinning");
+ // reset
+ googlemap.in_set_backlog = [];
this.unspin();
}
this.received_all = true;