source: extensions/rv_gmaps/trunk/template/styler.js @ 12719

function PwgSingleStyler( style, roc )
{
        style = style || {};
        this.roc = roc || new google.maps.Size(16,32);
        
        this.getStyle = function() { return style; }
        this.changeStyle = function() { return null; }
}



function PwgStyler( styles, roc )
{
        this.styles = styles;
        this.roc = roc || new google.maps.Size(16,32);
        for (var i=0; i<this.styles.length; i++)
                this.styles[i].zIndex = 1000 - i;
}

PwgStyler.prototype =  {

getStyle: function(cluster)
{
        return this.styles[this._indexer(cluster, this.styles)];
},

changeStyle: function(cluster, oldcluster)
{
        var idx = this._indexer(cluster, this.styles), idx2=this._indexer(oldcluster, this.styles);
        return idx==idx2 ? null :  this.styles[idx];
},

_indexer: function(cluster, styles)
{
        var n=cluster.nb_items, i=0;
        while (n>1 )
        {
                n=n/10;
                i++;
        }
        return i< styles.length ? i: styles.length-1;
}

}