/**
 * Collection of utility functions
 * 
 * @author Webstores <info at webstores dot nl>
 *         Copyright (c) Webstores internet totaalbureau <http://www.webstores.nl/>
 */
var WS = {
    toString: function() {
        return 'Webstores Internet totaalbureau utility functions';
    }
};

WS.Util = {
    /**
	 * Open links with rel external in a new window/tab
	 */
    externalLinks: function() {
        $('a[rel~="external"]').each(function() {
            if(this.target != '_self')
            {
                this.target = '_blank';
            }            
        });
    },
	
    /**
	 * Make table rows clickable
	 * 
	 * @param {Object} options Optional parameters
	 */
    rowClick: function(options) {
        options = $.extend({
            selector: 'table.clickable tr',
            anchorIndex: 0
        }, options || {});
		
        $(options.selector).each(function() {
            var anchor = $('a:eq(' + options.anchorIndex + ')', this);
			
            if(anchor.length) {
                $(this).click(function() {
                    switch(anchor.attr('rel')) {
                        case 'external':
                            window.open(anchor.attr('href'));
                            break;
                        default:
                            window.location.href = anchor.attr('href');
                            break;
                    }
                });
				
                $(this).attr('title', anchor.attr('title'));
            }
        });
    },
	
    /**
	 * Fix placeholders for unsupported browsers
	 * 
	 * @param {Object} options Optional parameters
	 */
    fixPlaceholders: function(options) {
        options = $.extend({
            selector: '[placeholder]',
            focusClass: 'focus',
            blurClass: 'placeholder'
        }, options || {});
		
        if(typeof $('<input>').attr('placeholder') == 'undefined') {
            $(options.selector).focus(function() {
                var el = $(this);
				
                if(el.val() == el.attr('placeholder')) {
                    el.val('');
                }
				
                el.removeClass(options.blurClass);
                el.addClass(options.focusClass);
            }).blur(function() {
                var el = $(this);
				
                // The first expression checks for cached form values after soft refresh (e.g. Firefox)
                if(el.val() == el.attr('placeholder') || el.val() == '') {
                    el.removeClass(options.focusClass);
                    el.addClass(options.blurClass);
                    el.val(el.attr('placeholder'));
                }
            }).blur().parents('form').submit(function() {
                $(this).find(options.selector).each(function() {
                    var el = $(this);
					
                    if(el.val() == el.attr('placeholder')) {
                        el.val('');
                    }
                });
            });
        }
    },
	
    /**
	 * Fix <element other than anchor>:hover for nested lists in IE6
	 * 
	 * @param {Object} options Optional parameters
	 */
    fixIE6HoverList: function(options) {
        options = $.extend({
            selector: '#primary-nav li',
            activeClass: 'active'
        }, options || {});
		
        $(options.selector).each(function() {
            $(this).hover(function() {
                $('> ul', this).addClass(options.activeClass);
            },
            function() {
                $('> ul', this).removeClass(options.activeClass);
            });
        });
    }
};