ngmap
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The Simplest AngularJS Google Maps V3 Directive
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source : info-window.js
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<pre class="prettyprint source linenums"><code>/**
* @ngdoc directive
* @name info-window
* @param Attr2MapOptions {service}
* convert html attribute to Google map api options
* @param $compile {service} $compile service
* @description
* Defines infoWindow and provides compile method
*
* Requires: map directive
*
* Restrict To: Element
*
* NOTE: this directive should **NOT** be used with `ng-repeat`
* because InfoWindow itself is a template, and a template must be
* reused by each marker, thus, should not be redefined repeatedly
* by `ng-repeat`.
*
* @attr {Boolean} visible
* Indicates to show it when map is initialized
* @attr {Boolean} visible-on-marker
* Indicates to show it on a marker when map is initialized
* @attr {Expression} geo-callback
* if position is an address, the expression is will be performed
* when geo-lookup is successful. e.g., geo-callback="showDetail()"
* @attr {String} <InfoWindowOption> Any InfoWindow options,
* https://developers.google.com/maps/documentation/javascript/reference?csw=1#InfoWindowOptions
* @attr {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>
*/
/* global google */
(function() {
'use strict';
var infoWindow = function(Attr2MapOptions, $compile, $q, $templateRequest, $timeout, $parse, NgMap) {
var parser = Attr2MapOptions;
var getInfoWindow = function(options, events, element) {
var infoWindow;
/**
* set options
*/
if (options.position && !(options.position instanceof google.maps.LatLng)) {
delete options.position;
}
infoWindow = new google.maps.InfoWindow(options);
/**
* set events
*/
for (var eventName in events) {
if (eventName) {
google.maps.event.addListener(infoWindow, eventName, events[eventName]);
}
}
/**
* set template and template-related functions
* it must have a container element with ng-non-bindable
*/
var templatePromise = $q(function(resolve) {
if (angular.isString(element)) {
$templateRequest(element).then(function (requestedTemplate) {
resolve(angular.element(requestedTemplate).wrap('<div>').parent());
}, function(message) {
throw "info-window template request failed: " + message;
});
}
else {
resolve(element);
}
}).then(function(resolvedTemplate) {
var template = resolvedTemplate.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.__open = function(map, scope, anchor) {
templatePromise.then(function() {
$timeout(function() {
anchor && (scope.anchor = anchor);
var el = $compile(infoWindow.__template)(scope);
infoWindow.setContent(el[0]);
scope.$apply();
if (anchor && anchor.getPosition) {
infoWindow.open(map, anchor);
} else if (anchor && anchor instanceof google.maps.LatLng) {
infoWindow.open(map);
infoWindow.setPosition(anchor);
} else {
infoWindow.open(map);
}
$timeout(function() { // to avoid racing condition
var infoWindowContainerEl = infoWindow.content.parentElement.parentElement.parentElement;
infoWindowContainerEl.className = "ng-map-info-window";
});
});
});
};
return infoWindow;
};
var linkFunc = function(scope, element, attrs, mapController) {
mapController = mapController[0]||mapController[1];
element.css('display','none');
var orgAttrs = parser.orgAttributes(element);
var filtered = parser.filter(attrs);
var options = parser.getOptions(filtered, {scope: scope});
var events = parser.getEvents(scope, filtered);
var infoWindow = getInfoWindow(options, events, options.template || element);
var address;
if (options.position && !(options.position instanceof google.maps.LatLng)) {
address = options.position;
}
if (address) {
NgMap.getGeoLocation(address).then(function(latlng) {
infoWindow.setPosition(latlng);
infoWindow.__open(mapController.map, scope, latlng);
var geoCallback = attrs.geoCallback;
geoCallback && $parse(geoCallback)(scope);
});
}
mapController.addObject('infoWindows', infoWindow);
mapController.observeAttrSetObj(orgAttrs, attrs, infoWindow);
mapController.showInfoWindow =
mapController.map.showInfoWindow = mapController.showInfoWindow ||
function(p1, p2, p3) { //event, id, marker
var id = typeof p1 == 'string' ? p1 : p2;
var marker = typeof p1 == 'string' ? p2 : p3;
if (typeof marker == 'string') {
//Check if markers if defined to avoid odd 'undefined' errors
if (
typeof mapController.map.markers != "undefined"
&& typeof mapController.map.markers[marker] != "undefined") {
marker = mapController.map.markers[marker];
} else if (
//additionally check if that marker is a custom marker
typeof mapController.map.customMarkers !== "undefined"
&& typeof mapController.map.customMarkers[marker] !== "undefined") {
marker = mapController.map.customMarkers[marker];
} else {
//Better error output if marker with that id is not defined
throw new Error("Cant open info window for id " + marker + ". Marker or CustomMarker is not defined")
}
}
var infoWindow = mapController.map.infoWindows[id];
var anchor = marker ? marker : (this.getPosition ? this : null);
infoWindow.__open(mapController.map, scope, anchor);
if(mapController.singleInfoWindow) {
if(mapController.lastInfoWindow) {
scope.hideInfoWindow(mapController.lastInfoWindow);
}
mapController.lastInfoWindow = id;
}
};
mapController.hideInfoWindow =
mapController.map.hideInfoWindow = mapController.hideInfoWindow ||
function(p1, p2) {
var id = typeof p1 == 'string' ? p1 : p2;
var infoWindow = mapController.map.infoWindows[id];
infoWindow.close();
};
//TODO DEPRECATED
scope.showInfoWindow = mapController.map.showInfoWindow;
scope.hideInfoWindow = mapController.map.hideInfoWindow;
var map = infoWindow.mapId ? {id:infoWindow.mapId} : 0;
NgMap.getMap(map).then(function(map) {
infoWindow.visible && infoWindow.__open(map, scope);
if (infoWindow.visibleOnMarker) {
var markerId = infoWindow.visibleOnMarker;
infoWindow.__open(map, scope, map.markers[markerId]);
}
});
}; //link
return {
restrict: 'E',
require: ['?^map','?^ngMap'],
link: linkFunc
};
}; // infoWindow
infoWindow.$inject =
['Attr2MapOptions', '$compile', '$q', '$templateRequest', '$timeout', '$parse', 'NgMap'];
angular.module('ngMap').directive('infoWindow', infoWindow);
})();
</code></pre>
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