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// $Id$
function gmapArcgis(config) {
return {
config: config,
map: config.map,
deforestation: [],
getConfig: function() {
return config;
},
// Show all defined polygons
showPolygons: function(polygons) {
for (j = 0; j < polygons.length; j++) {
this.showPolygon(polygons[j]);
}
},
// Hide all defined polygons
hidePolygons: function(polygons) {
for (j = 0; j < polygons.length; j++) {
polygons[j].overlay.setOpacity(0);
unblockUI();
}
},
// Add polygons from a given ArcGIS MapServer Layer
showPolygon: function(params) {
var defaultOpacity = (params.opacity != undefined) ? params.opacity : 0.55;
if (typeof params.overlay != 'undefined') {
params.overlay.setOpacity(defaultOpacity);
this.unblockUI();
return;
}
uri = params['uri'];
layers = params['layers'];
params.overlay = new gmaps.ags.MapOverlay(uri, {
exportOptions: {
layerIds: layers,
layerOption: 'show',
}
});
params.overlay.setMap(map);
params.overlay.setOpacity(defaultOpacity);
if (params.callback == undefined) {
// Default callback: remove the blockUI once the layer is shown
google.maps.event.addListener(params.overlay.getMapService(), 'update', function() {
unblockUI();
});
}
else {
google.maps.event.addListener(params.overlay.getMapService(), 'update', function() {
params.callback(map, params) ; unblockUI();
});
}
},
// Add a KML to the map
showKML: function(params) {
params.overlay = new google.maps.KmlLayer(params.uri);
params.overlay.setMap(map);
},
// Add a KML layer into the map
addKML: function(params) {
if (typeof params.overlay != 'undefined') {
params.overlay.setOpacity(params.opacity);
unblockUI();
return params.overlay;
}
if (params.overlayTime != undefined) {
this.showOverlay(params.overlayTime);
}
this.showKML(params);
return params.overlay;
},
// Add a layer to the map
addLayers: function(params) {
if (typeof params.overlay != 'undefined') {
params.overlay.setOpacity(params.opacity);
unblockUI();
return params.overlay;
}
if (params.overlayTime != undefined) {
this.showOverlay(params.overlayTime);
}
// TODO: support for clickable polygons
this.showPolygon(params);
return params.overlay;
},
// Add makers to the map
addMarkers: function(params) {
var bounds = map.getBounds();
if (params.overlay != undefined) {
this.toggleMarkers(params);
return;
} else {
params.overlay = [];
}
if (params.overlayTime != undefined) {
this.showOverlay(params.overlayTime);
}
// Query parameters
var query = {
returnGeometry: true,
// TODO
//queryGeometry: bounds,
where: (params.where != undefined) ? params.where : '1=1',
outFields: params.fields,
};
var layer = new gmaps.ags.Layer(params.uri);
// Execute query
layer.query(query, processResultSet);
// Configure infoWindow
params.infowindow = new google.maps.InfoWindow({
content: '',
});
// Process results
function processResultSet(fset) {
var fs = fset.features;
for (var i = 0, c = fs.length; i < c; i++) {
fset = fs[i];
params.overlay[i] = {};
params.overlay[i].marker = new google.maps.Marker({
title: (params.title != undefined) ? fset.attributes[params.title] : fset.attributes.nome,
icon: params.icon,
position: fset.geometry[0].getPosition(),
map: map,
});
// Use a closure so marker data remains available to the listeners
params.overlay[i].addListener = function() {
var marker = params.overlay[i].marker;
var infowindow = params.infowindow;
var content = params.content;
var attributes = fset.attributes;
google.maps.event.addListener(marker, 'click', function() {
infowindow.setContent(content(attributes));
infowindow.open(map, marker);
});
};
// Execute
params.overlay[i].addListener();
}
this.unblockUI();
}
},
// UI unblocker wrapper
unblockUI: function() {
jQuery.unblockUI();
},
// UI blocker wrapper
blockUI: function() {
jQuery.blockUI();
},
toggleKML: function(params) {
// TODO
return;
},
toggleLayers: function(params) {
params.overlay.setOpacity(0);
},
// Toggle marker visibility
toggleMarkers: function(params, raw) {
markers = (raw == true) ? params : params.overlay;
for (i=0; i < markers.length; i++) {
if (markers[i].marker.getVisible()) {
markers[i].marker.setVisible(false);
} else {
markers[i].marker.setVisible(true);
}
}
},
showOverlay: function(t) {
if ($.browser.msie === false) {
message = this.config.overlayMessage;
if (t == false) {
$.blockUI({
message: message
});
} else {
$.blockUI({
message: message,
timeout: t
});
}
}
},
// Change a element in the map
changeElement: function(map, params, page, callback) {
if (config[params] == undefined || config[params]['showOn'] == undefined) {
return;
}
if (jQuery.inArray(page, config[params]['showOn']) != -1) {
this[callback](map, config[params]);
}
},
// Display deforestation
deforestationUpdate: function(layer) {
var defaultOpacity = 0.45;
if (this.deforestation[layer] == undefined) {
this.deforestation[layer] = this.addLayers({
uri: URL_ARCGIS_DESMATAMENTO,
opacity: defaultOpacity,
layers: [layer],
overlayTime: 3000,
callback: updateDeforestationOpacity,
});
}
else {
updateDeforestationOpacity(map, { layers: [layer] });
}
function updateDeforestationOpacity(map, params) {
for (var i in this.deforestation) {
if (params.layers[0] == i) {
this.deforestation[i].setOpacity(0.45);
}
else {
this.deforestation[i].setOpacity(0);
}
}
// The second and all subsequent layers shall be intialized without opacity.
defaultOpacity = 0;
}
},
}
};
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