/*jshint -W030*/
/**
* @ngdoc directive
* @name info-window
* @requires Attr2Options
* @requires $compile
* @description
* Defines infoWindow and provides compile method
*
* Requires: map directive
*
* Restrict To: Element
*
* @param {Boolean} visible Indicates to show it when map is initialized
* @param {Boolean} visible-on-marker Indicates to show it on a marker when map is initialized
* @param {String} <InfoWindowOption> Any InfoWindow options,
* https://developers.google.com/maps/documentation/javascript/reference?csw=1#InfoWindowOptions
* @param {String} <InfoWindowEvent> Any InfoWindow events, https://developers.google.com/maps/documentation/javascript/reference
* @example
* Usage:
* <map MAP_ATTRIBUTES>
* <info-window id="foo" ANY_OPTIONS ANY_EVENTS"></info-window>
* </map>
*
* Example:
* <map center="41.850033,-87.6500523" zoom="3">
* <info-window id="1" position="41.850033,-87.6500523" >
* <div ng-non-bindable>
* Chicago, IL<br/>
* LatLng: {{chicago.lat()}}, {{chicago.lng()}}, <br/>
* World Coordinate: {{worldCoordinate.x}}, {{worldCoordinate.y}}, <br/>
* Pixel Coordinate: {{pixelCoordinate.x}}, {{pixelCoordinate.y}}, <br/>
* Tile Coordinate: {{tileCoordinate.x}}, {{tileCoordinate.y}} at Zoom Level {{map.getZoom()}}
* </div>
* </info-window>
* </map>
*/
ngMap.directive('infoWindow', ['Attr2Options', '$compile', '$timeout', function(Attr2Options, $compile, $timeout) {
var parser = Attr2Options;
var getInfoWindow = function(options, events, element) {
var infoWindow;
/**
* set options
*/
if (options.position &&
!(options.position instanceof google.maps.LatLng)) {
var address = options.position;
delete options.position;
infoWindow = new google.maps.InfoWindow(options);
var callback = function() {
infoWindow.open(infoWindow.map);
}
parser.setDelayedGeoLocation(infoWindow, 'setPosition', address, {callback: callback});
} else {
infoWindow = new google.maps.InfoWindow(options);
}
/**
* set events
*/
if (Object.keys(events).length > 0) {
console.log("infoWindow events", events);
}
for (var eventName in events) {
if (eventName) {
google.maps.event.addListener(infoWindow, eventName, events[eventName]);
}
}
/**
* set template ane template-relate functions
* it must have a container element with ng-non-bindable
*/
var template = element.html().trim();
if (angular.element(template).length != 1) {
throw "info-window working as a template must have a container";
}
infoWindow.__template = template.replace(/\s?ng-non-bindable[='"]+/,"");
infoWindow.__compile = function(scope) {
var el = $compile(infoWindow.__template)(scope);
scope.$apply();
infoWindow.setContent(el[0]);
};
infoWindow.__eval = function(event) {
var template = infoWindow.__template;
var _this = this;
template = template.replace(/{{(event|this)[^;\}]+}}/g, function(match) {
var expression = match.replace(/[{}]/g, "").replace("this.", "_this.");
return eval(expression);
});
return template;
};
return infoWindow;
};
return {
restrict: 'E',
require: '^map',
link: function(scope, element, attrs, mapController) {
element.css('display','none');
var orgAttrs = parser.orgAttributes(element);
var filtered = parser.filter(attrs);
var options = parser.getOptions(filtered, scope);
var events = parser.getEvents(scope, filtered);
console.log('infoWindow', 'options', options, 'events', events);
var infoWindow = getInfoWindow(options, events, element);
mapController.addObject('infoWindows', infoWindow);
parser.observeAttrSetObj(orgAttrs, attrs, infoWindow); /* observers */
// show InfoWindow when initialized
if (infoWindow.visible) {
//if (!infoWindow.position) { throw "Invalid position"; }
scope.$on('mapInitialized', function(evt, map) {
$timeout(function() {
infoWindow.__template = infoWindow.__eval.apply(this, [evt]);
infoWindow.__compile(scope);
infoWindow.map = map;
infoWindow.position && infoWindow.open(map);
});
});
}
// show InfoWindow on a marker when initialized
if (infoWindow.visibleOnMarker) {
scope.$on('mapInitialized', function(evt, map) {
$timeout(function() {
var markerId = infoWindow.visibleOnMarker;
var marker = map.markers[markerId];
if (!marker) throw "Invalid marker id";
infoWindow.__template = infoWindow.__eval.apply(this, [evt]);
infoWindow.__compile(scope);
infoWindow.open(map, marker);
});
});
}
/**
* provide showInfoWindow method to scope
*/
scope.showInfoWindow = scope.showInfoWindow ||
function(event, id, anchor) {
var infoWindow = mapController.map.infoWindows[id],
tempTemplate = infoWindow.__template; // set template in a temporary variable
infoWindow.__template = infoWindow.__eval.apply(this, [event]);
infoWindow.__compile(scope);
if (anchor) {
infoWindow.open(mapController.map, anchor);
} else if (this.getPosition) {
infoWindow.open(mapController.map, this);
} else {
infoWindow.open(mapController.map);
}
infoWindow.__template = tempTemplate; // reset template to the object
};
/**
* provide hideInfoWindow method to scope
*/
scope.hideInfoWindow = scope.hideInfoWindow ||
function(event, id, anchor) {
var infoWindow = mapController.map.infoWindows[id];
infoWindow.__template = infoWindow.__eval.apply(this, [event]);
infoWindow.__compile(scope);
infoWindow.close();
};
} //link
}; // return
}]);// function