X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=plugins%2Fgooglemap%2Fstatic%2Fjs%2Fgooglemap.js;h=764f1b4959de59704fdf7a5e0a73628ff982b3df;hb=354c5d2314bfd73dfc3520d2ef9845dd4c6e6200;hp=3f3c995034e2992fca7f750ce05e2f31b6eacbfa;hpb=67109f53492e43afeaaec232d5c4ffe7daa7bffc;p=myslice.git

diff --git a/plugins/googlemap/static/js/googlemap.js b/plugins/googlemap/static/js/googlemap.js
index 3f3c9950..764f1b49 100644
--- a/plugins/googlemap/static/js/googlemap.js
+++ b/plugins/googlemap/static/js/googlemap.js
@@ -8,13 +8,16 @@
  * - 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;
+
+    // more on a on-per-record basis
+    var debug_deep=false;
+    // debug_deep=true;
+
     var GoogleMap = Plugin.extend({
 
         init: function(options, element) {
@@ -28,21 +31,32 @@ googlemap_debug_detailed=false;
 
             // we keep a couple of global hashes
 	    // lat_lon --> { marker, <ul> }
-	    // hrn --> { <li>, <input> }
+	    // id --> { <li>, <input> }
 	    this.by_lat_lon = {};
-	    this.by_hrn = {};
+	    // 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('Hazelnut');
+            // $(window).unbind('QueryTable');
 
             var query = manifold.query_store.find_analyzed_query(this.options.query_uuid);
             this.object = query.object;
 
-            var keys = manifold.metadata.get_key(this.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.key = (keys && keys.length == 1) ? keys[0] : null;
+	    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 
@@ -59,7 +73,7 @@ googlemap_debug_detailed=false;
         /* PLUGIN EVENTS */
 
         on_show: function(e) {
-	    if (googlemap_debug) messages.debug("on_show");
+	    if (debug) messages.debug("googlemap.on_show");
             var googlemap = e.data;
             google.maps.event.trigger(googlemap.map, 'resize');
         }, // on_show
@@ -70,40 +84,23 @@ 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,
                 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 (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)) {
-            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;
-            }
-	    return unfold.escape_id(key_value).replace(/\\/g, '');
-	},	    
-
 	// return { marker: gmap_marker, ul : <ul DOM> }
 	create_marker_struct: function (object,lat,lon) {
 	    // the DOM fragment
@@ -116,78 +113,84 @@ googlemap_debug_detailed=false;
                 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};
 	},
 
-	// add an entry in the marker <ul> tag for that record
-	// returns { checkbox : <input DOM> }
+	// 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 = $("<input>", {type:'checkbox', checked:checked, class:'geo'});
-	    var hrn=this.record_hrn(record);
+	    var id=record[this.canonical_key];
+	    var init_id=record[this.init_key];
+	    // xxx use init_key to find out label - or should we explicitly accept an incoming label_key ?
+	    var label=init_id;
 	    ul.append($("<li>").addClass("geo").append(checkbox).
-		      append($("<span>").addClass("geo").append(hrn)));
-	    var googlemap=this;
+		      append($("<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 (googlemap.options.query_uuid, 
-				      this.checked ? SET_ADD : SET_REMOVED, hrn);
+		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: function(record, checked) {
-	    var hrn=this.record_hrn (record);
-	    if (! hrn) { messages.warning ("set_checkbox: record has no hrn"); return; }
-	    var checkbox_s = this.by_hrn [ hrn ];
-	    if (! checkbox_s ) { messages.warning ("set_checkbox: could not spot checkbox for hrn "+hrn); return; }
-	    checkbox_s.checkbox.prop('checked',checked);
-        }, // set_checkbox
+	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=get_value(record['latitude']);
-            var longitude=get_value(record['longitude']);
+            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);
+    	    // 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];
-	    var hrn = unfold.escape_id(key_value).replace(/\\/g, '');
-            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,
-            }
+    	    // 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();
@@ -200,43 +203,43 @@ googlemap_debug_detailed=false;
 
         /*************************** RECORD HANDLER ***************************/
         on_new_record: function(record) {
-	    if (googlemap_debug_detailed) messages.debug("on_new_record");
+	    if (debug_deep) messages.debug("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("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("on_query_in_progress (spinning)");
             this.spin();
         },
 
         on_query_done: function() {
-	    if (googlemap_debug) messages.debug("on_query_done");	    
+	        if (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 (debug_deep) messages.debug("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;
@@ -247,22 +250,22 @@ googlemap_debug_detailed=false;
         // all : this 
 
         on_all_new_record: function(record) {
-	    if (googlemap_debug_detailed) messages.debug("on_all_new_record");
+	    if (debug_deep) 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 (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 (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 (debug) messages.debug("on_all_query_done");
 
             // MarkerClusterer
             var markers = [];
@@ -277,17 +280,22 @@ 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);
+                    googlemap.set_checkbox_from_record(record, true);
                 });
 		// reset 
 		googlemap.in_set_backlog = [];
 
-		if (googlemap_debug) messages.debug("unspinning");
+		if (debug) messages.debug("unspinning");
                 this.unspin();
             }
             this.received_all = true;