var allowedBounds = new google.maps.LatLngBounds(
new google.maps.LatLng(28.70, -127.50),
new google.maps.LatLng(48.85, -55.90));
// Listen for the dragend event
google.maps.event.addListener(map, 'dragend', function() {
if (allowedBounds.contains(map.getCenter())) return;
// Out of bounds - Move the map back within the bounds
var c = map.getCenter(),
x = c.lng(),
y = c.lat(),
maxX = allowedBounds.getNorthEast().lng(),
maxY = allowedBounds.getNorthEast().lat(),
minX = allowedBounds.getSouthWest().lng(),
minY = allowedBounds.getSouthWest().lat();
if (x < minX) x = minX;
if (x > maxX) x = maxX;
if (y < minY) y = minY;
if (y > maxY) y = maxY;
map.setCenter(new google.maps.LatLng(y, x));
});
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if ((int)$currentmaptype->id == 1)
{
$scripttext .="// bounds of the desired area
var allowedBounds = new google.maps.LatLngBounds(
new google.maps.LatLng(70.33956792419954, 178.01171875),
new google.maps.LatLng(83.86483689701898, -88.033203125)
);
var lastValidCenter = map.getCenter();
google.maps.event.addListener(map, 'center_changed', function() {
if (allowedBounds.contains(map.getCenter())) {
// still within valid bounds, so save the last valid position
lastValidCenter = map.getCenter();
return;
}
// not valid anymore => return to last valid position
map.panTo(lastValidCenter);
});
";
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