//
// JS Module file for: Resource Locator
// $Id$
//
var NHLSModule = new Class(
{
	Implements:	[Events,Options],
	Extends:	NHLSCore,
	
	initialize: function(options)
	{
		this.parent(options);

        if( $('radius1').get('value').test(".") )
        {
            _tmp = $('radius1').get('value').split(".");
            $('radius1').set('value', _tmp[0] );
            delete _tmp;
        }
        if ( $('radius2').get('value').test('.') )
        {
            _tmp = $('radius2').get('value').split(".");
            $('radius2').set('value', _tmp[0] );
            delete _tmp;
        }

        //
        // Focus/unfocus events
        $('radius1').addEvent('focus', function()
        {
            $('radius1').set('value', '');
        });

        $('radius2').addEvent('focus', function()
        {
            $('radius2').set('value', '');
        });

        //
        // Form handler
        $('searchButton').addEvent('click', function() { NHLS.checkResourceForm(); });
	},

    checkResourceForm: function()
    {
        var rad1Float = $('radius1').get('value').toFloat();
        var rad2Float = $('radius2').get('value').toFloat();

        //
        // Simple checks
        if( rad1Float > rad2Float )
        {
            // @TODO rewrite into Notify() system
            alert( 'Radius one cannot be larger than radius two.' );
            return false;
        }

        if( rad1Float < 0 || rad2Float < 0 )
        {
            alert( 'Radius values cannot be less than zero.' );
            return false;
        }

        if( rad1Float == 0 && rad2Float == 0 )
        {
            alert( 'Both radius values cannot be equal to zero.' );
            return false;
        }

        //
        // All good
        NHLS.sendForm( 'resourceForm', 'doSearch' );
    }
});