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/* $Id$ */
/**
* @file
* Common marker highlighting routines.
*/
/**
* Highlights marker on rollover.
* Removes highlight on previous marker.
*
* Creates a "circle" using 20-sided GPolygon at the given point
* Circle polygon object is global variable as there is only one highlighted marker at a time
* and we want to remove the previously placed polygon before placing a new one.
*
* Original code "Google Maps JavaScript API Example"
*/
highlightMarker = function (map, currentMarker, highlightID, color) {
var markerPoint = currentMarker.marker.getPoint();
var polyPoints = Array();
var mapNormalProj = G_NORMAL_MAP.getProjection();
var mapZoom = map.getZoom();
var clickedPixel = mapNormalProj.fromLatLngToPixel(markerPoint, mapZoom);
var polySmallRadius = 20;
var polyNumSides = 20;
var polySideLength = 18;
for (var a = 0; a < (polyNumSides + 1); a++) {
var aRad = polySideLength * a * (Math.PI/180);
var polyRadius = polySmallRadius;
var pixelX = clickedPixel.x + polyRadius * Math.cos(aRad);
var pixelY = clickedPixel.y + polyRadius * Math.sin(aRad);
var polyPixel = new GPoint(pixelX, pixelY);
var polyPoint = mapNormalProj.fromPixelToLatLng(polyPixel, mapZoom);
polyPoints.push(polyPoint);
}
// Using GPolygon(points, strokeColor?, strokeWeight?, strokeOpacity?, fillColor?, fillOpacity?)
map.highlightID = new GPolygon(polyPoints, color, 2, 0, color, 0.5);
map.addOverlay(map.highlightID);
};
unHighlightMarker = function (map, currentMarker, highlightID) {
if (map.highlightID) {
map.removeOverlay(map.highlightID);
delete map.highlightID;
}
};