jQuery(document).ready(function($) {
/* rx-library.js */

// add classes to "first" and "last" children of node (fast routine)
// 17/09/09
jQuery.fn.RX_markSides = function(Q) {
	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) {
	return this.each(function() {
		$(this).hover(
			function() {
				var t = $(this),
						i = t.children('ul');

				if(i.size()) {
					t.addClass('rx-selected');
					i.css( {visibility:'visible', display:'none'}).slideDown('fast');
					//Q.onHover();
				}
			},
			function() {
				var t = $(this),
						i = t.children('ul');

				if(i.size()) {
					t.removeClass('rx-selected');
					i.css( {visibility:'hidden' } );
					//Q.onOut();
				}
			}
		);
	});
}
//

// open links in another window
// 01/09/09
jQuery.fn.RX_externalLink = function() {
	return this.each(function() {
		$(this).click(function() {
			window.open($(this).attr('href'));
			return false;
		})
		return;
	});
}
//

// smooth hover effect based on animated opacity
// 19/09/09
jQuery.fn.RX_smoothHover = function(Q) {
	return this.each(function() {
		$(this).hover(
      function() { $(this).animate({opacity:1}, 'fast'); },
			function() { $(this).stop().animate({opacity:Q.hide}, 'fast'); }
		);
	});
}
//

// mouse wheel & slider
// 30.09.09
jQuery.fn.RX_scroller = function(Q) {
	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;
			}
		});
		//

	});
}
//


// menu drop down : toggling + callbacks
// 24/08/09
jQuery.fn.RX_menu = function(Q) {
	return this.each(function() {
		$(this).hover(
			function() {
				var t = $(this),
						i = t.children('ul');

				if(i.size()) {
					t.addClass('rx-selected');
					i.css( {visibility:'visible', display:'none'}).slideDown('fast');
					//Q.onHover();
				}
			},
			function() {
				var t = $(this),
						i = t.children('ul');

				if(i.size()) {
					t.removeClass('rx-selected');
					i.css( {visibility:'hidden' } );
					//Q.onOut();
				}
			}
		);
	});
}
//

// post toggling + scroll document to post + show state + external open
// 03/03/10
var RX_postToggle_fx = function(Q) {
  var _busy = false;

  var f_show = function(I, state, func) {
    _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');
    tx_change(i, true);

    I.find(Q.c_hide).slideUp('normal', function() {});

    I.find(Q.c_show).slideDown('fast', function() {
      I.addClass(Q.select);
      tx_change(I, false);

      if (!state) {
        $().scrollTo(I, 'fast', { onAfter:function() {
              _busy = false;
              if (func) { func(); }
            }
          }, {offset: '0'}
        );
      } else {
        _busy = false;
        if (func) { func(); }
      }

    });
  }, f_hide = function(I) {
    $().scrollTo(I, 'fast', {
      onAfter:function() {
        I.find(Q.c_show).slideUp('fast');
        tx_change(I, true);
        var i = I.find(Q.c_hide);
        if (i.size()) {
          i.slideDown('normal', function() {
            I.removeClass(Q.select);
            _busy = false;
          });
        } else {
            I.removeClass(Q.select);
            _busy = false;
        }
      }
    }, {offset: '0'} );
  }
  //

  var tx_change = function(I, state) {
    var i = I.find(Q.a_toggle).children('span');
    (state) ? i.text(Q.c_txt[0]) : i.text(Q.c_txt[1]);
  }
  //

  this.init = function() {
    $(Q.c_elm).each(function() {
      var I = $(this);

      I.find(Q.a_open).click(function() {
        if (!I.hasClass(Q.select)) {
          f_show(I);
        }
        return false;
      });

      I.find(Q.a_close).click(function() {
        if (I.hasClass(Q.select)) {
          f_hide(I);
        }
        return false;
      });

      I.find(Q.a_toggle).click(function() {
        if (I.hasClass(Q.select)) {
          f_hide(I);
        } else {
          f_show(I);
        }
        return false;
      });
    });
  }
  //

  this.openPost = function(elm, func) {
    if (!elm.hasClass(Q.select)) {
      f_show(elm, false, func);
    } else {
      func();
    }
  }
  //

}
//

// scrollTo element
// 25/01/10
jQuery.fn.RX_scrollTo = function(Q) {
	return this.each(function() {
		$(this).click(function() {
      var i = $(this).parents(Q.par),
          f1 = function() {
            $().scrollTo( i.find(Q.elm), 'normal');
          }
      Q.on_f(i, f1);

      return false;
		});
	});
}
//

// mouse wheel & slider
// 30.09.09
jQuery.fn.RX_scroller = function(Q) {
	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) {
	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;
			});
		});

	});
}
//

// gallery - no html changed. pics resized
// 20/01/10
jQuery.fn.RX_picSneak = function(Q) {
  this.each(function() {
    var I = $(this),
        n_wrap = I.find(Q.c_wrap),
        a_img = n_wrap.children(),
        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
    // paddings to center is added
    var _resize = function() {
      var i = 0;

      a_img.each(function() {
        var I = $(this);

        if (I.is('img')) {
          I.addClass(C+ ++i).css('z-index', 79 - i);
        } else {
          I.addClass(C+ ++i).css('z-index', 79 - i);
          I = I.children('img');
        }

        var h = parseInt(I.css('height')),
            w = parseInt(I.css('width')),
            cx = h/Q.v_h,
            dx = w/Q.v_w,
            ax, bx;

        if (cx>=dx) {
          ax = Math.ceil( w / cx );
          bx = _padding(ax, Q.v_w);

          I.css('height', Q.v_h).css('width', ax).
            css('padding-left', bx.i1).css('padding-right', bx.i2);

        } else if (cx<dx) {

          ax = Math.ceil( h / dx );
          bx = _padding(ax, Q.v_h);

          I.css('width', Q.v_w).css('height', ax).
            css('padding-top', bx.i1).css('padding-bottom', bx.i2);
        }

      });
      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;
        });
			});
		}
    //
  });
}
//

// custom archives
// 03/03/10
jQuery.fn.RX_archives = function(Q) {
  return this.each(function() {
    var I = $(this),
        i, j,
        C = 'rx-',
        P = 0,
        n_years = I.find(Q.years).children(),
        n_mnths = I.find(Q.mnths).children(),
        max = n_years.size()-1;

    $(n_years[P]).addClass(Q.sel);
    $(n_mnths[P]).addClass(Q.sel);

		I.find(Q.a_next).click(function() {
      if (P<max) {
        $(n_years[P]).removeClass(Q.sel);
        $(n_mnths[P]).removeClass(Q.sel);
        P++;
        $(n_years[P]).addClass(Q.sel);
        $(n_mnths[P]).addClass(Q.sel);
      }
      return false;
    });

		I.find(Q.a_prev).click(function() {
      if (P>0) {
        $(n_years[P]).removeClass(Q.sel);
        $(n_mnths[P]).removeClass(Q.sel);
        P--;
        $(n_years[P]).addClass(Q.sel);
        $(n_mnths[P]).addClass(Q.sel);
      }

      return false;
    });

  });
}
//

/* start */

	$('a.rx-el, .rx-el a').RX_externalLink();

	$('.rx-gallery').RX_picSneak({
		a_prev : 'small .prev',
		a_next : 'small .next',
		c_wrap : '.screen div',
    fx : ['rx-slide', 'rx-opacity'],
		v_h : 376, // height
		v_w : 604, // width
		c_thumb : 'del' //thumbs
	});

	$('.rx-archives').RX_archives({
		a_prev : 'small .prev',
		a_next : 'small .next',
    sel : 'rx-selected',
    years : '.years',
    mnths : '.months'
  });

	var rx_post = new RX_postToggle_fx({
		c_elm  : '.rx-post',
		c_body : '.body',

		c_hide : '.NOP',
		c_show : '.body',

    a_toggle : '.rx-toggle',
    c_txt : ['open this post', 'close this post'],
		a_open : '.rx-post-open',
		a_close : '.rx-post-close',
		select : 's-open'
	});
  rx_post.init();

	$('.x-comments').RX_scroller({
		n_scroll: '.screen',
		n_hiding: '.screen',
		n_slider: '.rx-scroll'
	});

	$('.x-comments').RX_toggleBlocks({
		elm : [ '.rx-comment-add', '.rx-comment-send' ]
	});

	$('.menu-navy li').RX_menu();

	$('.rx-comment-view').RX_scrollTo({
    par : '.rx-post',
    elm : '.x-comments',
    on_f : rx_post.openPost
  });


  if (!$.browser.msie) {
    $('.x-favphoto img, .s-social a').RX_smoothHover({
      hide : .79
    });
  }

/*

	$('.x-archives ul, .x-comment .screen').RX_markSides({
		c_first : 'rx-first',
		c_last : 'rx-last'
	});


*/

});

