Time for Action – using the NavigationHistory control
Let's use the NavigationHistory control's
previousTrigger methods to go through our navigation history.
- Open up the previous examples and enable Firebug. We're going to create a NavigationHistory control object and add it to the map via the console. Enter and run the following code:
var nav_history_control = new OpenLayers.Control.NavigationHistory();
- Pan and zoom around the map. Each time you update the map, the NavigationHistory control stores information about your actions. Then, in Firebug, issue the following command:
- You should see the map return to the previous zoom level and coordinate. Now, let's ...