1 /**

     2  *  :organization: Logilab

     3  *  :copyright: 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

     4  *  :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

     5  */

     6 

     7 Widgets.GMapWidget = defclass('GMapWidget', null, {

     8     __init__: function(wdgnode) {

     9         // Assume we have imported google maps JS

    10         if (GBrowserIsCompatible()) {

    11             var uselabelstr = wdgnode.getAttribute('cubicweb:uselabel');

    12             var uselabel = true;

    13             if (uselabelstr) {

    14                 if (uselabelstr == 'True') {

    15                     uselabel = true;

    16                 }

    17                 else {

    18                     uselabel = false;

    19                 }

    20             }

    21             var map = new GMap2(wdgnode);

    22             map.addControl(new GSmallMapControl());

    23             var jsonurl = wdgnode.getAttribute('cubicweb:loadurl');

    24             var self = this; // bind this to a local variable

    25             jQuery.getJSON(jsonurl, function(geodata) {

    26                 var zoomLevel;

    27                 var center;

    28                 var latlngbounds = new GLatLngBounds( );

    29                 for (var i = 0; i < geodata.markers.length; i++) {

    30                     var marker = geodata.markers[i];

    31                     var latlng = new GLatLng(marker.latitude, marker.longitude);

    32                     latlngbounds.extend( latlng );

    33                 }

    34                 if (geodata.zoomlevel) {

    35                     zoomLevel = geodata.zoomlevel;

    36                 } else {

    37                     zoomLevel = map.getBoundsZoomLevel( latlngbounds ) - 1;

    38                 }

    39                 if (geodata.center) {

    40                     center = new GLatng(geodata.center.latitude, geodata.center.longitude);

    41                 } else {

    42                     center = latlngbounds.getCenter();

    43                 }

    44                 map.setCenter(center, zoomLevel);

    45                 for (var i = 0; i < geodata.markers.length; i++) {

    46                     var marker = geodata.markers[i];

    47                     self.createMarker(map, marker, i + 1, uselabel);

    48                 }

    49             });

    50             jQuery(wdgnode).after(this.legendBox);

    51         } else { // incompatible browser

    52             jQuery.unload(GUnload);

    53         }

    54     },

    55 

    56     createMarker: function(map, marker, i, uselabel) {

    57         var point = new GLatLng(marker.latitude, marker.longitude);

    58         var icon = new GIcon();

    59         icon.image = marker.icon[0];

    60         icon.iconSize = new GSize(marker.icon[1][0], marker.icon[1][1]);

    61         icon.iconAnchor = new GPoint(marker.icon[2][0], marker.icon[2][1]);

    62         if (marker.icon[3]) {

    63             icon.shadow4 = marker.icon[3];

    64         }

    65         if (typeof LabeledMarker == "undefined") {

    66             var gmarker = new GMarker(point, {

    67                 icon: icon,

    68                 title: marker.title

    69             });

    70         } else {

    71             var gmarker = new LabeledMarker(point, {

    72                 icon: icon,

    73                 title: marker.title,

    74                 labelText: uselabel ? '<strong>' + i + '</strong>': '',

    75                 labelOffset: new GSize(2, - 32)

    76             });

    77         }

    78         map.addOverlay(gmarker);

    79         GEvent.addListener(gmarker, 'click', function() {

    80             jQuery.post(marker.bubbleUrl, function(data) {

    81                 map.openInfoWindowHtml(point, data);

    82             });

    83         });

    84     }

    85 

    86 });

    87