web/data/cubicweb.gmap.js
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 10 Sep 2012 17:31:07 +0200
changeset 8540 fee98af8bb33
parent 8163 f0a0bfc4a0c8
permissions -rw-r--r--
[schema] rename schema permissions function: session may also be a request, use _cw
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/**
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 *  :organization: Logilab
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 *  :copyright: 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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 *  :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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 */
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Widgets.GMapWidget = defclass('GMapWidget', null, {
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    __init__: function(wdgnode) {
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        // Assume we have imported google maps JS
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        if (GBrowserIsCompatible()) {
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            var uselabelstr = wdgnode.getAttribute('cubicweb:uselabel');
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            var uselabel = true;
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            if (uselabelstr) {
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                if (uselabelstr == 'True') {
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                    uselabel = true;
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                }
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                else {
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                    uselabel = false;
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                }
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            }
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            var map = new GMap2(wdgnode);
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            map.addControl(new GSmallMapControl());
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            var jsonurl = wdgnode.getAttribute('cubicweb:loadurl');
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            var self = this; // bind this to a local variable
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            jQuery.getJSON(jsonurl, function(geodata) {
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                var zoomLevel;
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                var center;
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                var latlngbounds = new GLatLngBounds( );
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                for (var i = 0; i < geodata.markers.length; i++) {
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                    var marker = geodata.markers[i];
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                    var latlng = new GLatLng(marker.latitude, marker.longitude);
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                    latlngbounds.extend( latlng );
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                }
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                if (geodata.zoomlevel) {
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                    zoomLevel = geodata.zoomlevel;
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                } else {
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                    zoomLevel = map.getBoundsZoomLevel( latlngbounds ) - 1;
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                }
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                if (geodata.center) {
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                    center = new GLatng(geodata.center.latitude, geodata.center.longitude);
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                } else {
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                    center = latlngbounds.getCenter();
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                }
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                map.setCenter(center, zoomLevel);
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                for (var i = 0; i < geodata.markers.length; i++) {
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                    var marker = geodata.markers[i];
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                    self.createMarker(map, marker, i + 1, uselabel);
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                }
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            });
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            jQuery(wdgnode).after(this.legendBox);
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        } else { // incompatible browser
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            jQuery.unload(GUnload);
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        }
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    },
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    createMarker: function(map, marker, i, uselabel) {
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        var point = new GLatLng(marker.latitude, marker.longitude);
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        var icon = new GIcon();
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        icon.image = marker.icon[0];
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        icon.iconSize = new GSize(marker.icon[1][0], marker.icon[1][1]);
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        icon.iconAnchor = new GPoint(marker.icon[2][0], marker.icon[2][1]);
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        if (marker.icon[3]) {
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            icon.shadow4 = marker.icon[3];
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        }
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        if (typeof LabeledMarker == "undefined") {
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            var gmarker = new GMarker(point, {
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                icon: icon,
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                title: marker.title
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            });
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        } else {
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            var gmarker = new LabeledMarker(point, {
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                icon: icon,
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                title: marker.title,
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                labelText: uselabel ? '<strong>' + i + '</strong>': '',
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                labelOffset: new GSize(2, - 32)
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            });
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        }
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        map.addOverlay(gmarker);
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        GEvent.addListener(gmarker, 'click', function() {
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            jQuery.post(marker.bubbleUrl, function(data) {
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                map.openInfoWindowHtml(point, data);
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            });
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        });
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    }
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});
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