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Events and Objects

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Events and Objects

The API provides the following events and objects:

Y

This object is an underlying Logi application script object, automatically created. It's used in your code to identify the next two events.

rdCreate

This event fires before the Google Map object is created. It has three properties:
  • id - Gets the ID of the Google Map object about to be created.
  • mapOptions - Sets the Google Map's MapOptions object properties, ranging from background color to zoom control options. A complete list of these is available from Google on their specifications page.
  • container - Gets the ID of the internal Division created as a container for the Google Map object.

The mapOptions property is the most useful as it allows you to configure the map in a variety of ways before it's created:

var mapDiv = Y.one('#gmap');
mapDiv.on('rdCreate', function(e) {
e.mapOptions["scrollwheel"] = false;
}); The example code shown above refers to a Google Map element with an element ID of "gmap". The code configures the map to disable the mouse scroll wheel (used to zoom in and out) when it's created.

rdCreated

This event fires after the Google Map object is created. It has four properties:

  • map - Gets a reference to the newly-created Google Map object.
  • id - Gets the ID of the newly-created Google Map object.
  • mapOptions - Gets the Google Map's MapOptions object properties, ranging from background color to zoom control options. A complete list of these is available from Google on their specifications page.
  • container - Gets the ID of the internal division created as a container for the Google Map object.

This event and its properties allow you to customize the map after it's been created:

var mapDiv = Y.one('#gmap');
mapDiv.on('rdCreated', function(e) {
var latLng = new google.maps.LatLng(38.924622, -77.216779);
var marker = new google.maps.Marker({
position: latLng,
map: e.map
});
}); The example code shown above refers to a Google Map element with an element ID of "gmap". It adds a Map Marker at a specific location (Logi World HQ) after the map is created, using the LatLng and Marker classes from the Google Map API.

var latLng = new google.maps.LatLng(@Request.LatHQ~, @Request.LngHQ~);
Of course, the code can be made dynamic through the use of tokens, as shown above.

rdGetMapObject()

This Logi function returns a reference to the specified Google Map object and can be used to customize an existing Google Map based on events related to the Logi page, such as a user-initiated mouse click. Imagine a button or link on a page, with Action.JavaScript as its child with this code:

var myMap = rdGetGMapObject('gmap');
var randomNumber = Math.random();
var latLng = new google.maps.LatLng(38.924622 + randomNumber, -77.216779 - randomNumber);
var marker = new google.maps.Marker({
position: latLng,
map: myMap
}); The example code shown above refers to a Google Map element with an element ID of "gmap". It adds a Map Marker at a random location, using the LatLng and Marker classes from the Google Map API, when the button or link is clicked.

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