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$(function(){

// redirect download to support

$('.download [href*="download.processing.org"]').on('click', function (e) {

e.preventDefault()

window.open($(this).attr('href'))

window.location = '/download/support.html'

window.focus()

})

// sticky scroll

if(!Modernizr.touch){

$(window).scroll(function(){

if($(this).scrollTop() < 114){

$('.navBar').removeClass('stuck')

} else {

$('.navBar').addClass('stuck')

}

})

}

// if on the homepage, gather recent tweets/commits

if($('body').attr('id')=='Cover'){

// recent tweets

$.getJSON('/content/static/feeds/twitter.php', function(data) {

$.each(data, function(i, tweet) {

var time = parse_date(tweet.created_at);

var timeText = format_relative_time(extract_relative_time(time));

var tweet_html = '<li><div>'+tweet.text.parseURL().parseUsername().parseHashtag();

tweet_html += ' about';

tweet_html += '<a href="https://www.twitter.com/processingOrg/status/' + tweet.id_str + '">' + timeText + '<\/a>';

tweet_html += '<\/div><\/li>';

$('.latest-tweets').append(tweet_html)

})

// recent commits

$.getJSON('/content/static/feeds/github.php', function(data) {

$.each(data, function(i, commit) {

if(i<=3){

var time = parse_date(commit.commit.committer.date);

var timeText = format_relative_time(extract_relative_time(time));

var commit_html = '<li><img class="github-avatar" src="https://www.gravatar.com/avatar/' + commit.author.gravatar_id + '?s=20"/>';

commit_html += '<div><a href="' + commit.author.html_url + '">' + commit.author.login + '<\/a> committed';

commit_html += ' <a href="https://github.com/processing/processing/commit/' + commit.sha + '">"' + commit.commit.message + '"<\/a>';

commit_html += ' about ' + timeText + '<\/div>';

$('.latest-commits').append(commit_html)

}

})

}

});

// Functions

/* Twitter Parsing Functions */

String.prototype.parseUsername = function() {

return this.replace(/[@]+[A-Za-z0-9-_]+/g, function(u) {

var username = u.replace("@","")

return u.link("http://twitter.com/"+username);

});

};

String.prototype.parseHashtag = function() {

return this.replace(/[#]+[A-Za-z0-9-_]+/g, function(t) {

var tag = t.replace("#","%23")

return t.link("http://search.twitter.com/search?q="+tag);

});

};

String.prototype.parseURL = function() {

return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&~\?\/.=]+/g, function(url) {

return url.link(url);

});

};

/* Time Parsing */

function parse_date(date_str) {

return Date.parse(date_str.replace(/^([a-z]{3})( [a-z]{3} \d\d?)(.*)( \d{4})$/i, '$1,$2$4$3'));

}

function extract_relative_time(date) {

var toInt = function(val) { return parseInt(val, 10); };

var relative_to = new Date();

var delta = toInt((relative_to.getTime() - date) / 1000);

if (delta < 1) delta = 0;

return {

days: toInt(delta / 86400),

hours: toInt(delta / 3600),

minutes: toInt(delta / 60),

seconds: toInt(delta)

};

}

function format_relative_time(time_ago) {

if ( time_ago.days > 2 ) return ' ' + time_ago.days + ' days ago';

if ( time_ago.hours > 24 ) return ' a day ago';

if ( time_ago.hours > 2 ) return ' ' + time_ago.hours + ' hours ago';

if ( time_ago.minutes > 45 ) return ' an hour ago';

if ( time_ago.minutes > 2 ) return ' ' + time_ago.minutes + ' minutes ago';

if ( time_ago.seconds > 1 ) return ' ' + time_ago.seconds + ' seconds ago';

return 'just now';

}