/* rx-library.js */

// add classes to "first" and "last" children of node (fast routine)
// 17/09/09
jQuery.fn.RX_markSides = function(Q) {
	var $ = jQuery.noConflict();
	return this.each(function() {
		$(this).children(':first').addClass(Q.c_first);
		$(this).children(':last').addClass(Q.c_last);
	});
}
//

// menu drop down : toggling + callbacks
// 24/08/09
jQuery.fn.RX_menu = function(Q) {
	var $ = jQuery.noConflict();
	return this.each(function() {
		$(this).hover(
			function() {
				var i = $(this).children('ul');
				if(i.size()) {
					i.css( {visibility:'visible', display:'none'}).show('fast');
					Q.onHover();
				}
			},
			function() {
				var i = $(this).children('ul');
				if(i.size()) {
					i.css( {visibility:'hidden' } );
					Q.onOut();
				}
			}
		);
	});
}
//

// menu clickable : toggling
// 19/09/09
var RX_clickMenu = function(Q) {
	var $ = jQuery.noConflict();
	this.init = function() {
		$(Q.c_par+Q.c_act).click(function() {
			var i = $(this).parent(Q.c_node);

			if (!i.hasClass(Q.select)) {
				hideNode();
				i.find(Q.c_elm).slideDown('fast');
				i.addClass(Q.select);
			} else {
				hideNode();
			}
			return false;
		})
	}
	//

	function hideNode() {
		var i = $(Q.c_par+'>'+Q.c_node+'.'+Q.select);
		i.removeClass(Q.select);
		i.find(Q.c_elm).slideUp('fast');
	}
	//
}
//

// sliding menu
// 15/01/10
jQuery.fn.RX_slideMenu = function(Q) {
	var $ = jQuery.noConflict();
	this.each(function() {
		var I = $(this);

		I.children('li').mouseenter(function() {
				var J = $(this),
            i = J.position(),
            j = i.left + Math.floor(J.outerWidth(true) / 2 - Q.coef);
				I.stop().animate({backgroundPosition:j}, '79');
		});
	});
}
//

// smooth hover effect based on animated opacity
// 19/09/09
jQuery.fn.RX_smoothHover = function(Q) {
	var $ = jQuery.noConflict();
	this.each(function() {
		$(this).hover(
			function() {
				if (!$(this).hasClass(Q.c_dis)) {
					$(this).animate({opacity:1}, 'fast');
				}
			},
			function() {
				if (!$(this).hasClass(Q.c_dis)) {
					$(this).animate({opacity:Q.hide}, 'fast');
				}
			}
		);
	});
}
//

// open links in another window
// 01/09/09
jQuery.fn.RX_externalLink = function() {
	var $ = jQuery.noConflict();
	return this.each(function() {
		$(this).click(function() {
			window.open($(this).attr('href'));
			return false;
		})
		return;
	});
}
//

// mouse wheel & slider
// 30.09.09
jQuery.fn.RX_scroller = function(Q) {
	var $ = jQuery.noConflict();
	if ($.browser.mozilla) { _wheel_coef = 39; }
	else if($.browser.safari) { _wheel_coef = 29; }
	else { _wheel_coef = 34; }

	this.each(function() {
		var n_par = $(this);

		n_par.find(Q.n_scroll).bind('mousewheel', function(event, delta) {
				var node = n_par.find(Q.n_hiding);

				if ( node.attr('scrollHeight') > node.outerHeight() ) {
					var speed = node.height() / node.attr('scrollHeight') * (_wheel_coef),
							nv = node.scrollTop() - delta * speed;
					node.scrollTop(nv);
					var s_hande =  node.scrollTop() / ( node.attr('scrollHeight') -  node.height() ) * 100;

					n_par.find(Q.n_slider).slider('option', 'value', -s_hande );
					return false;
				}

				return true;
		});

		n_par.find(Q.n_slider).slider({
			animate: false,
			orientation: "vertical",
			min: -100,
			max: 0,
			slide: function(event, ui) {
				var node = n_par.find(Q.n_hiding);
				if ( node.attr('scrollHeight') > node.outerHeight() ) {
					var ratio = node.attr("scrollHeight") - node.height();
					node.attr( { scrollTop: -ui.value * (ratio / 100) } );
				} else {
					return false;
				}
				return true;
			}
		});
		//

	});
}
//

// comments view/add toggle
// 13/01/10
jQuery.fn.RX_toggleComment = function(Q) {
	var $ = jQuery.noConflict();
	this.each(function() {
		var I = $(this),
				i, j;

		I.find(Q.act).each(function() {
			$(this).click(function() {
				var i = $(this).attr('class'),
						j = I.children('.'+i);

				if (i != '') {
					if (!j.hasClass(Q.sel)) {
						I.children('.'+Q.sel).removeClass(Q.sel);
						j.addClass(Q.sel);
					}
					return false;
				}

        return true;
			});
		});
	});
}
//

// open/close elements
// 30/10/09
jQuery.fn.RX_toggleBlocks = function(Q) {
	var $ = jQuery.noConflict();
	return this.each(function() {
		var I = $(this);

		$.each(Q.elm, function(i, item) {
			I.find('a'+item).click(function() {
        var i = I.find('form'+item);
				i.slideToggle('fast');
        if ( i.css('display') == 'block' ) {
          $().scrollTo(I, 'normal', {offset:0});
        }
				return false;
			});
		});

	});
}
//

// post toggling + scroll document to post
// 19/01/10
var RX_postToggle = function(Q) {
	var $ = jQuery.noConflict();

	$(Q.c_elm).each(function() {
		var I = $(this),
				_busy = false;

		I.find(Q.a_open).click(function() {
			_busy = true;

      var i = $('.'+Q.select);
      i.removeClass(Q.select);
      i.find(Q.c_hide).slideDown('fast');
      i.find(Q.c_show).css('display', 'none');

      I.find(Q.c_hide).slideUp('normal', function() {});

      I.find(Q.c_show).slideDown('fast', function() {
        I.addClass(Q.select);
			  $().scrollTo(I, 'fast', { onAfter:function() { _busy = false; } }, {offset: '0'} );
      });

			return false;
		});

		I.find(Q.a_close).click(function() {
			$().scrollTo(I, 'fast', {
				onAfter:function() {
					I.find(Q.c_show).slideUp('fast');
					I.find(Q.c_hide).slideDown('normal', function() {
						I.removeClass(Q.select);
						_busy = false;
					});
				}
			}, {offset: '0'} );
			return false;
		});

	});
}
//

jQuery(document).ready(function($) {
	$('a.rx-el, .rx-el a').RX_externalLink();

	$('.menu-navy, .menu-site, .x-archives ul, .list-link, .l-root .l-left').RX_markSides({
		c_first : 'rx-first',
		c_last : 'rx-last'
	});

  $('.menu-navy ul').RX_slideMenu({
    coef : 26 // width/2 of menu-navy-sel.png
  });

	var rx_post = RX_postToggle({
		c_elm  : '.x-post',
		c_body : '.body',

		c_hide : '.title p',
		c_show : '.body',

		a_open : '.rx-open',
		a_close : '.rx-close',
		select : 's-open'
	});

  $('.i-social a').RX_smoothHover({
    c_dis : '.rx-disable',
    hide : .79
  });

	$('.x-comment').RX_toggleBlocks({
		elm : [ '.rx-comm-add', '.rx-comm-share' ]
	});

	$('.x-comment').RX_scroller({
		n_scroll: '.screen',
		n_hiding: '.screen',
		n_slider: '.rx-scroll'
	});

});