/* Plugins, etc, are on top. */

String.prototype.escapeSelector = function()
{
  return this.replace(/(.|#)([ #;&,.+*~\':"!^$\[\]\(\)=>|\/])/g, '$1' + '\\\\$2');
}

String.prototype.toInt = function()
{
  return parseInt(this);
}

/* {{{ Hash Scroll */
var jHtmlBody = $('html, body');
function scroll(target, interval)
{
  if (typeof interval == 'undefined') {
    interval = 400;
  }

  var hash = target;
  target = $('[id="' + target.substring(1) + '"]');
  
  var offsetTop = 
    target.offset().top 
    - 52
    - target.css('margin-top').toInt()
  ;

  jHtmlBody.animate(
    {scrollTop: offsetTop}, 
    interval,
    function()
    {
      if (window.location.hash != hash)
      {
        window.location.hash = hash;
        window.scrollTo(0, offsetTop);
      }
    }
  );

  return false;
}
/* }}} */

/** {{{
* jQuery.ScrollTo - Easy element scrolling using jQuery.
* Copyright (c) 2007-2013 Ariel Flesler - aflesler<a>gmail<d>com | http://flesler.blogspot.com
* Dual licensed under MIT and GPL.
* @author Ariel Flesler
* @version 1.4.6
*/
(function($){var h=$.scrollTo=function(a,b,c){$(window).scrollTo(a,b,c)};h.defaults={axis:'xy',duration:parseFloat($.fn.jquery)>=1.3?0:1,limit:true};h.window=function(a){return $(window)._scrollable()};$.fn._scrollable=function(){return this.map(function(){var a=this,isWin=!a.nodeName||$.inArray(a.nodeName.toLowerCase(),['iframe','#document','html','body'])!=-1;if(!isWin)return a;var b=(a.contentWindow||a).document||a.ownerDocument||a;return/webkit/i.test(navigator.userAgent)||b.compatMode=='BackCompat'?b.body:b.documentElement})};$.fn.scrollTo=function(e,f,g){if(typeof f=='object'){g=f;f=0}if(typeof g=='function')g={onAfter:g};if(e=='max')e=9e9;g=$.extend({},h.defaults,g);f=f||g.duration;g.queue=g.queue&&g.axis.length>1;if(g.queue)f/=2;g.offset=both(g.offset);g.over=both(g.over);return this._scrollable().each(function(){if(e==null)return;var d=this,$elem=$(d),targ=e,toff,attr={},win=$elem.is('html,body');switch(typeof targ){case'number':case'string':if(/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test(targ)){targ=both(targ);break}targ=$(targ,this);if(!targ.length)return;case'object':if(targ.is||targ.style)toff=(targ=$(targ)).offset()}$.each(g.axis.split(''),function(i,a){var b=a=='x'?'Left':'Top',pos=b.toLowerCase(),key='scroll'+b,old=d[key],max=h.max(d,a);if(toff){attr[key]=toff[pos]+(win?0:old-$elem.offset()[pos]);if(g.margin){attr[key]-=parseInt(targ.css('margin'+b))||0;attr[key]-=parseInt(targ.css('border'+b+'Width'))||0}attr[key]+=g.offset[pos]||0;if(g.over[pos])attr[key]+=targ[a=='x'?'width':'height']()*g.over[pos]}else{var c=targ[pos];attr[key]=c.slice&&c.slice(-1)=='%'?parseFloat(c)/100*max:c}if(g.limit&&/^\d+$/.test(attr[key]))attr[key]=attr[key]<=0?0:Math.min(attr[key],max);if(!i&&g.queue){if(old!=attr[key])animate(g.onAfterFirst);delete attr[key]}});animate(g.onAfter);function animate(a){$elem.animate(attr,f,g.easing,a&&function(){a.call(this,targ,g)})}}).end()};h.max=function(a,b){var c=b=='x'?'Width':'Height',scroll='scroll'+c;if(!$(a).is('html,body'))return a[scroll]-$(a)[c.toLowerCase()]();var d='client'+c,html=a.ownerDocument.documentElement,body=a.ownerDocument.body;return Math.max(html[scroll],body[scroll])-Math.min(html[d],body[d])};function both(a){return typeof a=='object'?a:{top:a,left:a}}})(jQuery);
/*}}}*/

Mousetrap.bind('up up down down left right left right b a enter', function() {
        $(".brand img").attr("src", "/images/php_konami.gif");
});
Mousetrap.bind("?", function() {
    $("#trick").slideToggle();
});
Mousetrap.bind("esc", function() {
    $("#trick").slideUp();
    $("#goto").slideUp();

    $("html").off("keydown");
    $("html").off("keypress");
});
/*
Mousetrap.bind("j", function() {
    var n = window.pageYOffset + 20;
    $.scrollTo(n, 10);
});
Mousetrap.bind("k", function() {
    var n = window.pageYOffset - 20;
    $.scrollTo(n, 10);
});
*/
Mousetrap.bind("G", function() {
    var n = $(document).height();
    $.scrollTo(n, 10);
});
Mousetrap.bind("g h", function() {
    window.location.href = "/";
});
Mousetrap.bind("g g", function() {
    $.scrollTo(0, 10);
});
Mousetrap.bind("g p", function() {
    var link = $("link[rel=prev]").attr("href");
    if (link) {
        window.location.href = link;
    }
});
Mousetrap.bind("g n", function() {
    var link = $("link[rel=next]").attr("href");
    if (link) {
        window.location.href = link;
    }
});

var FIXED_HEADER_HEIGHT = 50;
function cycle(to, from) {
    from.removeClass("current");
    to.addClass("current");
    $.scrollTo(to.offset().top-FIXED_HEADER_HEIGHT);
}
function getNextOrPreviousSibling(node, forward) {
    if (forward) {
        return node.next();
    }
    return node.prev();
}
function cycleMenuItems(current, forward) {
    if (getNextOrPreviousSibling(current, forward).length) {
        cycle(getNextOrPreviousSibling(current, forward), current);
        curr.children("a").first().focus().css({outline: "none"});
    }
}
function cycleHeaders(matches, forward) {
    /* forward=1 next match
     * forward=0 previous match
     */
    var gotmatch = 0;

    matches.each(function(k, item) {
        if ($(item).hasClass("current")) {
            if ($(matches[forward ? k+1 : k-1]).length) {
                cycle($(matches[forward ? k+1 : k-1]), $(item));
                gotmatch = 1;
                return false;
            }
        }
    });
    if (!gotmatch) {
        cycle($(matches[forward ? 0 : matches.length-1]), $(matches[forward ? matches.length-1 : 0]));
    }
}
Mousetrap.bind("j", function() {
    /* Doc page */
    var node = $(".layout-menu .current");
    if (node.length) {
        cycleMenuItems(node, 1);
    }
    else {
        /* Cycle through headers on normal pages */
        var matches = $("#layout-content h1, #layout-content h2, #layout-content h3");
        cycleHeaders(matches, 1);
    }
});
Mousetrap.bind("k", function() {
    var node = $(".layout-menu .current");
    if (node.length) {
        cycleMenuItems(node, 0);
    }
    else {
        /* Cycle through headers on normal pages */
        var matches = $("#layout-content h1, #layout-content h2, #layout-content h3");
        cycleHeaders(matches, 0);
    }
});
$.expr[":"].icontains = $.expr.createPseudo(function(arg) {
    return function( elem ) {
        return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
    };
});
function lookfor(txt) {
    var retval = $("#layout a:icontains('" + txt + "')");
    $(retval).each(function(k, val) {
        $("#goto .results ul").append("<li><a href='" + $(val).attr("href") + "'>" + $(val).text() +"</a></li>");
    });
}
function localpage(text) {
    lookfor(text);
}
Mousetrap.bind("g s", function(e) {
    boogie(e, localpage);
});
function boogie(e, cb) {
    cb($("#goto .text").text());
    $("#goto .results a:first").focus();
    $("#goto").slideToggle();

    $("html").on("keydown", function(e) {
        switch(e.which || e.keyCode) {
            /* Backspace */
            case 8:
                var txt = $("#goto .text").text();
                txt = txt.substring(0, txt.length - 1);
                $("#goto .text").text(txt);
                $("#goto .results ul").empty();
                cb(txt);
                $("#goto .results a:first").focus();
                e.preventDefault();
                break;

            /* Enter */
            case 13:
                Mousetrap.unpause();
                Mousetrap.trigger('esc');
                return true;

            /* Tab */
            case 9:
                $(document.activeElement).parent().next().first().focus();
                break;
            case 27:
                Mousetrap.unpause();
                Mousetrap.trigger('esc');
        }
    });
    $("html").on("keypress", function(e) {
        if (e.which == 13) {
            return true;
        }
        e.preventDefault();
        var letter = String.fromCharCode(e.which || e.keyCode);
        $("#goto .text").append(letter);
        var txt = $("#goto .text").text().trim();
        $("#goto .results ul").empty();
        cb(txt);
        $("#goto .results a:first").focus();
    });

    Mousetrap.pause();
}
if (!('contains' in String.prototype)) {
    String.prototype.contains = function(str, startIndex) {
        return -1 !== String.prototype.indexOf.call(this, str, startIndex);
    };
}
Mousetrap.bind("g a", function(e) {
    boogie(e, globalsearch);
});
function globalsearch(txt) {
    var key = "search-en";
    var cache = window.localStorage.getItem(key);
    cache = JSON.parse(cache);

    var term = txt.toLowerCase();
    if (term.length < 3) {
        return;
    }
    if (cache) {
        for (var type in cache.data) {
            console.log(type);
            var elms = cache.data[type].elements;
            for (var node in elms) {
                if (elms[node].description.toLowerCase().contains(term) || elms[node].name.toLowerCase().contains(term)) {
                    $("#goto .results ul").append("<li><a href='/manual/en/" + elms[node].id + ".php'>" + elms[node].name + ": " + elms[node].description +"</a></li>");
                    if ($("#goto .results ul li") > 30) {
                        return;
                    }
                }
            }
        }
    }
}
Mousetrap.bind("/", function(e) {
    if (e.preventDefault) {
        e.preventDefault();
    } else {
        // internet explorer
        e.returnValue = false;
    }
    $("input[type=search]").focus()
});
var rotate = 0;
Mousetrap.bind("r o t a t e enter", function(e) {
    rotate += 90;
    if (rotate > 360) {
        rotate = 0;
    }
    $("html").css("-webkit-transform", "rotate(" + rotate + "deg)");
    $("html").css("-moz-transform", "rotate(" + rotate + "deg)");
    $("html").css("-o-transform", "rotate(" + rotate + "deg)");
    $("html").css("-ms-transform", "rotate(" + rotate + "deg)");
    $("html").css("transform", "rotate(" + rotate + "deg)");
});
var scale = 1;
Mousetrap.bind("m i r r o r enter", function(e) {
    scale *= -1;
    $("html").css("-webkit-transform", "scaleX(" + scale + ")");
    $("html").css("-moz-transform", "scaleX(" + scale + ")");
    $("html").css("-o-transform", "scaleX(" + scale + ")");
    $("html").css("-ms-transform", "scaleX(" + scale + ")");
    $("html").css("transform", "scaleX(" + scale + ")");
});
Mousetrap.bind("I space h a t e space P H P enter", function(e) {
    window.location = "http://python.org";
});
Mousetrap.bind("I space l o v e space P H P enter", function(e) {
    flashMessage({text: 'Live long and prosper !'});
});
Mousetrap.bind("l o g o enter", function(e) {
    var time = new Date().getTime();
    $(".brand img").attr("src", "/images/logo.php?refresh&time=" + time);
});

$(window).load(function()
{
  // Fire our scroll, webkit needs onload
  if (window.location.hash)
  {
    scroll(window.location.hash, 0);
  }
});

function fixTimeout() {
    Mousetrap.trigger("m i r r o r enter");
    setTimeout(function() {
        Mousetrap.trigger("m i r r o r enter");
    }, 200);
    setTimeout(function() { fixTimeout(); }, 30000);
}
function fixEdges(rotate) {
    if (rotate > 360) {
        rotate = 0;
        $("html").css("zoom", 1);
        $("html").css("-moz-transform", "scale(1)");
        $("html").css("-webkit-transform", "scale(1)");
        setTimeout(function(){fixEdges(36)}, 30000);
    } else {
        $("html").css("zoom", 0.5);
        $("html").css("-moz-transform", "scale(0.5)");
        $("html").css("-webkit-transform", "scale(0.5)");
        setTimeout(function(){fixEdges(rotate+36)}, 100);
    }
    $("html").css("-webkit-transform", "rotate(" + rotate + "deg)");
    $("html").css("-moz-transform", "rotate(" + rotate + "deg)");
    $("html").css("-o-transform", "rotate(" + rotate + "deg)");
    $("html").css("-ms-transform", "rotate(" + rotate + "deg)");
    $("html").css("transform", "rotate(" + rotate + "deg)");
}
$(document).ready(function() {
/*
    if (Math.floor(Math.random()*10) % 2) {
        fixTimeout();
    } else {
        fixEdges(36);
    }
*/
    var $docs = $('.docs');
    var $refsect1 = $docs.find('.refentry .refsect1');
    var $docsDivWithId = $docs.find('div[id]');
    $docsDivWithId.children("h1, h2, h3, h4").each(function(){
        $(this).append("<a class='genanchor' href='#" + $(this).parent().attr("id") + "'> ¶</a>");
    });
    
    $('.refentry code.parameter').click(function(event)
    {
      var id = $(this).text().replace(/^[&$]{0,2}/g, '');
      var offsetTop = $(
        '.parameters .parameter:contains("' + id + '"), .options .parameter:contains("' + id + '")'
      ).offset().top - 52;
      $.scrollTo({top: offsetTop, left: 0}, 400);
    });

    $('h1[id], h2[id], h3[id], h4[id]').each(function() {
        var $this = $(this);
        $this.append("<a class='genanchor' href='#" + $this.attr('id') + "'> ¶</a>");
    });

    // Bind events for #[id]
    $(window).on('hashchange', function(e) {
      e.preventDefault();
      return false;
    });

    $('a[href^=#]').click(function(e) {
      e.preventDefault();
      scroll($.attr(this, 'href'), 400);      
      return false;
    });

    /* Don't load elephpants on browsers that don't support data: URIs.
     * Unfortunately, the Modernizr test is asynchronous, so we have to spin
     * until it actually gives us a yes or a no. */
    var initElephpants = function () {
        if (typeof Modernizr.datauri !== "undefined") {
            var $elephpants = $(".elephpants");

            if (Modernizr.datauri) {
                var $elephpantsImages = $elephpants.find('.images');
                // load the elephpant images if elephpants div is in the dom.
                $elephpantsImages.first().each(function (idx, node) {

                    // function to fetch and insert images.
                    var fetchImages = function() {

                        // determine how many elephpants are required to fill the
                        // viewport and subtract for any images we already have.
                        var count = Math.ceil($(document).width() / 75)
                                  - $elephpantsImages.find("img").length;

                        // early exit if we don't need any images.
                        if (count < 1) {
                            return;
                        }

                        // do the fetch.
                        $.ajax({
                            url:      '/images/elephpants.php?count=' + count,
                            dataType: 'json',
                            success:  function(data) {
                                var photo, image;
                                for (photo in data) {
                                    photo = data[photo];
                                    link  = $('<a>');
                                    link.attr('href',    photo.url);
                                    link.attr('title',   photo.title);
                                    image = $('<img>');
                                    image.attr('src',    'data:image/jpeg;base64,' + photo.data);
                                    $(node).append(link.append(image));
                                }
                            },
                            error:    function() {
                                $elephpants.hide();
                            }
                        });

                    }

                    // begin by fetching the images we need now.
                    fetchImages();

                    // fetch more if viewport gets larger.
                    var deferred = null;
                    $(window).resize(function() {
                        window.clearTimeout(deferred);
                        deferred = window.setTimeout(function(){
                            fetchImages();
                        }, 250);
                    });
                });
            } else {
                $elephpants.hide();
            }
        } else {
            // Modernizr is still testing; check again in 100 ms.
            window.setTimeout(initElephpants, 100);
        }
    };
    initElephpants();

    // We have <p> tags generated with nothing in them and it requires a PHD change, meanwhile this fixes it.
    $refsect1.find('p').each(function() {
        var $this = $(this), html = $this.html();
        if(html !== null && html.replace(/\s|&nbsp;/g, '').length == 0) {
            $this.remove();
        }
    });

/*{{{ Scroll to top */
    (function() {

      var settings = {
        text: 'To Top',
        min: 200,
        inDelay: 600,
        outDelay: 400,
        containerID: 'toTop',
        containerHoverID: 'toTopHover',
        scrollSpeed: 400,
        easingType: 'linear'
      };
      
      var toTopHidden = true;
      var toTop = $('#' + settings.containerID);
      
      toTop.click(function(e) {
        e.preventDefault();
        $.scrollTo(0, settings.scrollSpeed, {easing: settings.easingType});
      });
      
      $(window).scroll(function() {
        var sd = $(this).scrollTop();
        if (sd > settings.min && toTopHidden)
        {
          toTop.fadeIn(settings.inDelay);
          toTopHidden = false;
        }
        else if(sd <= settings.min && ! toTopHidden)
        {
          toTop.fadeOut(settings.outDelay);
          toTopHidden = true;
        }
      });   

    })();
/*}}}*/

/*{{{User Notes*/
    $("#usernotes a.usernotes-voteu, #usernotes a.usernotes-voted").each(
    function () {
      $(this).click(
        function (event) {
          event.preventDefault();
          var url = $(this).attr("href");
          var id = url.match(/\?id=(\d+)/)[1];
          var request = $.ajax({
            type: "POST",
            url: url,
            dataType: "json",
            headers: {"X-Json": "On" },
            beforeSend: function() {
              $("#Vu"+id).hide();
              $("#Vd"+id).hide();
              $("#V"+id).html("<img src=\"/images/working.gif\" alt=\"Working...\" border=\"0\" title=\"Working...\">");
            }
          });
          request.done(function(data) {
            if(data.success != null && data.success == true) {
              $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 16px; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"success\" title=\"Thank you for voting!\"></div>" + data.update);
            
              flashMessage({text: 'Thank you for voting!'});
            }
            else {
              var responsedata = "Error :(";
              if (data.msg != null) {
                responsedata = data.msg;
              }
              $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 0px; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"fail\" title=\"" + responsedata + "\"></div>");
              
              flashMessage({text: 'Unexpected error occured, please try again later!', type: 'error'});
            }
          });
          request.fail(function(jqXHR, textStatus) {
            $("#Vu"+id).show();
            $("#Vd"+id).show();
            $("#V"+id).html("<div style=\"float: left; width: 16px; height: 16px; background-image: url(/images/notes-features.png); background-position:-32px 0px; margin-right: 8px; overflow: hidden;\" border=\"0\" alt=\"fail\" title=\"Error :(\"></div>");
            
            flashMessage({text: 'Something went wrong :(', type: 'error'});
          });
          request.always(function(data) {
            $("#V"+id).fadeIn(500, "linear");
          });
        }
      );
    }
    );
/*}}}*/

    // Search box autocomplete (for browsers that aren't IE <= 8, anyway).
    if (typeof window.brokenIE === "undefined") {
        jQuery("#topsearch .search-query").search({
            language: getLanguage(),
            limit: 30
        });
    }

/* {{{ Negative user notes fade-out */
  var usernotes = document.getElementById('usernotes');
  if (usernotes != null) {
    var mapper = new function() {
        this.domain = {
            "max": -1,
            "min": -5
        };
        this.range = {
            "max": 0.75,
            "min": 0.35
        };
  
        // This is a generic normalizaion algorithm:
        //   range.min + (value - domain.min)(range.max - range.min)/(domain.max-domain.min)
        // Note that some of this computation is not dependent on the input value, so we 
        // compute it at object creation time.
        var multiplier = (this.range.max - this.range.min)/(this.domain.max - this.domain.min);
        this.normalize = function(value) {
            value = Math.max(value, this.domain.min);
            return (value - this.domain.min) * multiplier + this.range.min;
        };
    };
    $(usernotes).on('mouseenter mouseleave', '.note',  function(event) {
      var opacity = 1;
      var $note = $(this).find('.text');
      if (event.type === 'mouseleave' && $note.data('opacity') !== undefined) { 
        opacity = $note.data('opacity');
      }
      $note.css('opacity', opacity);
    }).find('.note').each(function() {
      $(this).find('.tally:contains("-")').each(function(){
        var id = this.id.replace('V', 'Hcom');
        var v = mapper.normalize(this.innerHTML.toInt());
        $('#' + id).css('opacity', v).data("opacity", v);
      });
    });
  }
/* }}} */

/* {{{ Remove "inline code" style from .parameter */
  // CSS3 can't traverse up the DOM tree
  $('code.parameter').closest('em').addClass('reset');
/* }}} */

/* {{{ Init template generated flash messages */
  $('#flash-message .message').each(function()
  {
 	  flashMessage($(this));
  });
/* }}} */

});

/* {{{ add-user.php animations */
$(function() {

  if ( ! document.getElementById('add-note-usernotes')) {
    return;
  }
  
  $('#usernotes').animate({marginLeft: 0}, 1000);
  
  $('#usernotes .note').removeAttr('style');
    
  var times = [3, 7, 10];
  for (i in times) {
    times[i] = times[i] * 1000;
  }
  
  var notes = [];
  notes[0] = $('#usernotes .bad');
  notes[1] = $('#usernotes .good');
  notes[2] = $('#usernotes .spam');

  setTimeout(function()
  {
    notes[0].find('.usernotes-voted').css('border-top-color', '#001155');
    notes[1].find('.usernotes-voteu').css('border-bottom-color', '#001155');
    
    var t = 1000;
    var i = 1;
    var timer = setInterval(function()
    {
      if (i * t > times[1] - times[0])
      {
        clearTimeout(timer);
        return;
      }
      
      notes[0].find('.tally').html( notes[0].find('.tally').html().toInt() - 1);
      notes[1].find('.tally').html( notes[1].find('.tally').html().toInt() + 1);
      
      i++;
    }, t);
    
    notes[0].find('.text').animate({opacity: 0.3}, (times[1] - times[0]));
    
  }, times[0]);
  
  setTimeout(function()
  {
    notes[2].find('.text').html("@BJORI DOESN'T LIKE SPAM").css('background-color', '#F9ECF2');
  }, times[1]);
  
  setTimeout(function()
  {
    notes[0].fadeOut();
    notes[2].fadeOut();
    $('#usernotes .count').html('1 note');
  }, times[2]);

});
/* }}} */

/* {{{ Flash Messenger */
function flashMessage(o)
{
  var defaults = { 
    timeout: 6000,
    type: 'success',
    text: '',
    parent: '#flash-message'
  };
  
  // Options are passed, set defaults and generate message
  if ( ! o.jquery)
  {
    var options = $.extend(defaults, o); 
  
    var id = 'id_' + Math.random().toString().replace('0.', '');

    var message = $('<div>')
                  .addClass('message ' + options.type)
                  .data('type', options.type)
                  .attr('id', id)
                  .html(options.text);

    $(options.parent).append(message);
    
    var o = $('#' + id);
  }
  // jQuery object is passed, that means the message is pre-generated
  // Only timeout is adjustable via data-timeout=""
  else
  {
    options = {timeout: o.data('timeout')};
  }

  var remove = function(o) {
    o.slideUp(400, function() {
      $(this).remove();
    });
  };

  if (options.timeout)
  {
    setTimeout(function()
    {
      if ( ! o.length)  {
        return;
      }
      remove(o);
    }, options.timeout);
  }
  
  o.on('click', function() {
    remove($(this));
  });
  
  return true;
}
/* }}} */

/**
 * Determine what language to present to the user.
 */
function getLanguage()
{
    return document.documentElement.lang;
}

// vim: set ts=4 sw=4 et: