/* 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');
	}
	//
}
//

// 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)) {
					$(this).children('a').animate({opacity:1}, 'fast');
				}
			},
			function() {
				if (!$(this).hasClass(Q.c_dis)) {
					$(this).children('a').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;
	});
}
//

// popping anchors
jQuery.fn.RX_popping = function() {
	$(this).children('a').hover(
		function() {
			$(this).animate({ 'top' : 0 }, 79);
		},
		function() {
			$(this).animate({ 'top' : 26 }, 79);
		}
	);
};
//

// 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;
		});

	});
}
//

// mouse wheel & slider
// 30.09.09
jQuery.fn.RX_slider = 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;
			}
		});
		//

	});
}
//

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

		$.each(Q.elm, function(i, item) {
			par.find('a'+item).click(function() {
				par.find('form'+item).slideToggle('fast');
				return false;
			});
		});

	});
}
//

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

		I.children('li').mouseenter(function() {
				var i = $(this).position();
				I.stop().animate({backgroundPosition:i.left}, '79');
		});
	});
}
//

// gallery - no html changed. pics resized
// 19/01/10
jQuery.fn.RX_picSneak = function(Q) {
	var $ = jQuery.noConflict();
  this.each(function() {
    var I = $(this),
        n_wrap = I.find(Q.c_wrap),
        a_img = n_wrap.children('img'),
        i, j,
        C = 'rx-',
        max = 0,
        P = 1,
        FX = 1,
        _busy = false,
        n_thumb = I.find(Q.c_thumb);

    // correct paddings
    function _padding(V, M) {
      var i = M - V,
          ax = Math.floor(i/2);
      return {i1:ax, i2:(i-ax)}
    }
    //

    // resize pics to viewport
    // smaller pics are not enlarged,
    // paddings to center is added
    var _resize = function() {
      var i = 0;

      a_img.each(function() {
        var I = $(this),
            h = parseInt(I.css('height')),
            w = parseInt(I.css('width')),
            cx = dx = 0,
            ex = fx = 0,
            ax = bx = false;

        var f1 = function() {
          I.css('height', Q.v_h).css('width', ax).css('padding-left', cx.i1).css('padding-right', cx.i2);
        }, f2 = function() {
          I.css('width', Q.v_w).css('height', bx).css('padding-top', dx.i1).css('padding-bottom', dx.i2);
        }

        if (h>Q.v_h) {
          ax = Math.ceil( w / (h/Q.v_h) );
          cx = _padding(ax, Q.v_w);
        } else {
          ex = _padding(h, Q.v_h);
        }

        if (w>Q.v_w) {
          bx = Math.ceil(h / (w/Q.v_w));
          dx = _padding(bx, Q.v_h);
        } else {
          fx = _padding(w, Q.v_w);
        }

        if (ax && bx) {
          if (ax<bx) { f1(); } else { f2(); }
        } else if (ax) {
          f1();
        } else if (bx) {
          f2();
        } else {
          I.css('padding-top', ex.i1).css('padding-bottom', ex.i2).
            css('padding-left', fx.i1).css('padding-right', fx.i2);
        }

        I.addClass(C+ ++i).css('z-index', 79 - i);
      });
      max = i;
      n_wrap.css('width', (max+1)*Q.v_w);
    }
    //

		if (a_img.size()<1) { return false; }
		_resize();

    if (n_wrap.hasClass(Q.fx[0]) || n_thumb.size() ) {
      FX = 1;
    } else if (n_wrap.hasClass(Q.fx[1]) ) {
      FX = 2;
    }

		I.find(Q.a_prev).click(function() {
			if (_busy) { return false; }
			if (P>1) {
				_busy = true;
        (FX == 1) ?
          n_wrap.animate({'left': '+='+Q.v_w}, 'fast', function() { _busy = false; }) :
          $(a_img[P-2]).animate({'opacity': 1}, 'normal', function() { _busy = false; });
				P--;
			}

			return false;
		});
		//

		I.find(Q.a_next).click(function() {
			if (_busy) { return false; }

			if (P<max) {
			  _busy = true;
        (FX == 1) ?
  				n_wrap.animate({'left': '-='+Q.v_w}, 'fast', function() { _busy = false; }) :
          $(a_img[P-1]).animate({'opacity': 0}, 'normal', function() { _busy = false; });

				P++;
			}

			return false;
		});
		//

		if (n_thumb.size()) {
			i = 0;
			n_thumb.children('img').each(function() {
				$(this).addClass(C+ ++i).click(function() {
          var i = $(this).attr('class').match(/rx\-\d{1,2}/)
              j = i.toString().substr(3);

            if (_busy) { return false; }
            _busy = true;
            n_wrap.animate({'left': - Q.v_w * (j-1)}, 'fast', function() { _busy = false; });
            P = j;
        });
			});
		}
    //
  });
}
//

jQuery(document).ready(function($) {
								
	//remove p from intro
	jQuery.fn.removeP = function() {
		var txt = $(this).find('p').html();
		$(this).find('p').remove();
		$(this).html(txt);
	}
	$('.x-intro em:last').removeP();
	
	$('a.rx-el, .rx-el a').RX_externalLink();

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

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

	$('.menu-navy, .menu-main, .x-archives ul').RX_markSides({
		c_first : 'rx-first',
		c_last : 'rx-last'
	});

	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'
	});

	$('.rx-gallery').RX_picSneak({
		a_prev : 'em .prev',
		a_next : 'em .next',
		c_wrap : 'p strong',
    fx : ['rx-slide', 'rx-opacity'],
		v_h : 422,
		v_w : 632,
		c_thumb : 'del'
	});

});