X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=plugins%2Fgooglemap%2Fstatic%2Fjs%2Fgooglemap.js;h=00410ea8b35deecd6138acd51b8583aae17cfc0c;hb=28f35eb9642e999225bb685bb1c242376e3b3cf1;hp=23345a27cfb7f0c7fe29ba573223230d507f783f;hpb=546d5148434646dd3e5121c8b49cfa80b8890117;p=myslice.git

diff --git a/plugins/googlemap/static/js/googlemap.js b/plugins/googlemap/static/js/googlemap.js
index 23345a27..00410ea8 100644
--- a/plugins/googlemap/static/js/googlemap.js
+++ b/plugins/googlemap/static/js/googlemap.js
@@ -27,10 +27,10 @@ googlemap_debug_detailed=false;
             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 = {};
+	    // lat_lon --> { marker, <ul> }
+	    // id --> { <li>, <input> }
+	    this.by_lat_lon = {};
+	    this.by_id = {};
 
             /* XXX Events */
             this.elmt().on('show', this, this.on_show);
@@ -41,15 +41,24 @@ googlemap_debug_detailed=false;
             this.object = query.object;
 
             var keys = manifold.metadata.get_key(this.object);
-            // 
+	    // 
             this.key = (keys && keys.length == 1) ? keys[0] : null;
 
+	    // xxx temporary hack
+	    // as of nov. 28 2013 we have here this.key='urn', but in any place where
+	    // the code tries to access record[this.key] the records only have
+	    // keys=type,hrn,network_hrn,hostname
+	    // so for now we force using hrn instead
+	    // as soon as record have their primary key set this line can be removed
+	    // see also same hack in querytable
+	    this.key= (this.key == 'urn') ? 'hrn' : this.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 */
@@ -59,7 +68,7 @@ googlemap_debug_detailed=false;
         /* PLUGIN EVENTS */
 
         on_show: function(e) {
-            if (googlemap_debug) messages.debug("googlemap.on_show");
+	    if (googlemap_debug) messages.debug("googlemap.on_show");
             var googlemap = e.data;
             google.maps.event.trigger(googlemap.map, 'resize');
         }, // on_show
@@ -70,137 +79,132 @@ googlemap_debug_detailed=false;
 
         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);
+	        if (googlemap_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();
         }, // 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)) {
+        // The function accepts both records and their id
+	// record.key points to the name of the primary key for this record
+	// typically this is 'urn'
+	record_id : function (input) {
+            var id;
+            switch (manifold.get_type(input)) {
             case TYPE_VALUE:
-                key_value = record;
+		id = input;
                 break;
             case TYPE_RECORD:
-                if ( ! this.key in record ) return;
-                key_value = record[this.key];
+		if ( ! this.key in input ) return;
+                id = input[this.key];
                 break;
             default:
-                throw "Not implemented";
+                throw "googlemap.record_id: 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 id;
+	},
+
+	// 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
+        }); 
+        //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 = $("<input>", {type:'checkbox', checked:checked, class:'geo'});
+	    var id=this.record_id(record);
+	    // use hrn as far as possible for displaying
+	    var label= ('hrn' in record) ? record.hrn : id;
+	    ul.append($("<li>").addClass("geo").append(checkbox).
+		      append($("<span>").addClass("geo").append(label)));
+	    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) {
+		manifold.raise_event (googlemap.options.query_uuid, this.checked ? SET_ADD : SET_REMOVED, id);
+	    });
+	    return checkbox;
+	},
+	    
+	warning: function (record,message) {
+	    try {messages.warning (message+" -- hostname="+record.hostname); }
+	    catch (err) {messages.warning (message); }
+	},
+	    
+	// 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);
+	    var id=this.record_id (record);
+	    if (! id) { 
+		this.warning (record, "googlemap.set_checkbox: record has no id");
+		return; 
+	    }
+	    var checkbox = this.by_id [ id ];
+	    if (! checkbox ) { 
+		this.warning (record, "googlemap.set_checkbox: checkbox not found");
+		return; 
+	    }
+	    checkbox.prop('checked',checked);
         }, // set_checkbox
 
-        // this record is *in* the slice
+	// this record is *in* the slice
         new_record: function(record) {
-                if (googlemap_debug_detailed) messages.debug ("new_record");
+	        if (googlemap_debug_detailed) messages.debug ("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);
+	    var id=this.record_id(record);
+	    // used to keep a dict here, but only checkbox is required
+            this.by_id[id] = checkbox;
         }, // new_record
 
         arm_marker: function(marker, map) {
-            if (googlemap_debug_detailed) messages.debug ("arm_marker content="+marker.content);
+	    if (googlemap_debug_detailed) messages.debug ("arm_marker content="+marker.content);
             var googlemap = this;
             google.maps.event.addListener(marker, 'click', function () {
                 googlemap.infowindow.close();
@@ -213,7 +217,7 @@ googlemap_debug_detailed=false;
 
         /*************************** RECORD HANDLER ***************************/
         on_new_record: function(record) {
-            if (googlemap_debug_detailed) messages.debug("on_new_record");
+	    if (googlemap_debug_detailed) messages.debug("on_new_record");
             if (this.received_all)
                 // update checkbox for record
                 this.set_checkbox(record, true);
@@ -223,36 +227,36 @@ googlemap_debug_detailed=false;
         },
 
         on_clear_records: function(record) {
-            if (googlemap_debug_detailed) messages.debug("on_clear_records");
+	    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 (spinning)");
+	    if (googlemap_debug) messages.debug("on_query_in_progress (spinning)");
             this.spin();
         },
 
         on_query_done: function() {
-            if (googlemap_debug) messages.debug("on_query_done");            
+	        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_detailed) messages.debug("on_field_state_changed");            
+	    if (googlemap_debug_detailed) 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;
+            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;
             }
         },
 
@@ -260,22 +264,22 @@ googlemap_debug_detailed=false;
         // all : this 
 
         on_all_new_record: function(record) {
-            if (googlemap_debug_detailed) messages.debug("on_all_new_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");            
+	    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 (spinning)");
+	    if (googlemap_debug) messages.debug("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 (googlemap_debug) messages.debug("on_all_query_done");
 
             // MarkerClusterer
             var markers = [];
@@ -290,17 +294,22 @@ googlemap_debug_detailed=false;
                 //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);
                 });
-                // reset 
-                googlemap.in_set_backlog = [];
+		// reset 
+		googlemap.in_set_backlog = [];
 
-                if (googlemap_debug) messages.debug("unspinning");
+		if (googlemap_debug) messages.debug("unspinning");
                 this.unspin();
             }
             this.received_all = true;