StrangeLoop schedule helper

bookmarklet.txt

javascript:(function()%7B(function%20()%20%7Bvar%20jsCode%20%3D%20document.createElement('script')%3BjsCode.setAttribute('src'%2C%20'https%3A%2F%2Fraw.github.com%2Fgist%2F3769415%2Fslcal.js')%3Bdocument.body.appendChild(jsCode)%3B%7D())%7D)()

slcal.js

// StrangeLoop schedule helper. Enjoy!
// -Ben
//
// https://gist.github.com/3769415

Slcal = {};

Slcal.parseTime = function(day, timeString) {
	var parsingDateStrings = ["9/23/2012 ", "9/24/2012 ", "9/25/2012 ", "9/26/2012 "];
	var split = timeString.indexOf("-");	
	var dateStr = parsingDateStrings[day-1];

	var start = dateStr + timeString.substr(0, split-1) + " CDT";
	start = new Date(Date.parse(start));
	
	var end = dateStr + timeString.substr(split+1) + " CDT";
	end = new Date(Date.parse(end));

	// now convert to calendar time format
	var pad = function(str) {
		str = str + "";

		if (str.length == 1) {
			return "0"+str;
		} else {
			return str;
		}
	}

	var startDate = "201209"+pad(start.getDate())+"T";
	var endDate = "201209"+pad(end.getDate())+"T";

	var tStart = pad(start.getHours()+"");
	start = startDate+tStart+pad(start.getMinutes())+pad(start.getSeconds())+"CDT";
	
	var tEnd = pad(end.getHours()+"");
	end = endDate+tEnd+pad(end.getMinutes())+pad(end.getSeconds())+"CDT";
	
	return [start, end];
};

Slcal.addCalendarMenu = function() {
	var ul = $("<ul></ul>");
	ul.css("position", "fixed");
	ul.css("right", "0");
	ul.css("top", "50%");
	ul.css("width", "135px");
	ul.css("margin-top", "-2.5em");

	// gcal link
	var li = $('<li class="track"></li>');
	li.css("background", "#FFFFFF");

	var a = $('<a href="#"></a>');
	a.html("get selected event");
	
	a.click(function() {
		var eventNode = $(".evtSelected")[0];

		if (eventNode) {
			eventNode = $(eventNode).data("info");
			Slcal.getCalendar(eventNode);
		}

		return false;
	});

	li.append(a);
	ul.append(li);

	// add to body
	$("body").append(ul);
};

Slcal.getCalendar = function(event) {
	if (!event) { return; }

	// generate an ics download for the user
	var data = [
		"BEGIN:VCALENDAR",
		"VERSION:2.0",
		"PRODID:-//UnquietCode//NONSGML SLCAL//EN",
		"BEGIN:VEVENT",
		"DTSTAMP:"+event.startTime,
		"DTSTART:"+event.startTime,
		"DTEND:"+event.endTime,
		"SUMMARY:"+event.title+" @"+event.room,
		"DESCRIPTION:"+event.title+" with "+event.speaker+" ("+event.track+" Track)",
		"LOCATION:"+event.room+" (StrangeLoop conference)",
		"URL:"+event.url,
		"END:VEVENT",
		"END:VCALENDAR"
	].join("\n");

	// from http://pastebin.com/nUhwBe4Y
	var data = "data:text/calendar;charset=utf8," + encodeURIComponent(data);

	Slcal.download({
        filename: "event.ics", 
        data: data
	});
};

// http://download-data-uri.appspot.com
Slcal.download = function(options) {
  if(!options) {
    return;
  }
  $.isPlainObject(options) || (options = {data: options});
  if(!$.browser.webkit) {
    location.href = options.data;
  }
  options.filename || (options.filename = "download." + options.data.split(",")[0].split(";")[0].substring(5).split("/")[1]);
  options.url || (options.url = "http://download-data-uri.appspot.com/");
  $('<form method="post" target="_new" action="'+options.url+'" style="display:none"><input type="hidden" name="filename" value="'+options.filename+'"/><input type="hidden" name="data" value="'+options.data+'"/></form>').submit().remove();
};

Slcal.addCalendarLinks = function(event) {
	// add click event to select
	event.node.click(function() {
		var item = $(this);
		var wasSelected = item.hasClass("evtSelected");

		var old = $(".evtSelected");
		old.removeClass("evtSelected");
		old.css("background", "");
	
		if (!wasSelected) {
			item.addClass("evtSelected");
			item.css("background", "#830000");
		}
	});
};

// process a section
Slcal.processElementsInSection = function(section, day) {
	var rooms = section.find("ul.schedule-header li");

	// for every event cell
	$(section.find("li.cell div.session")).each(function(idx, event) {
		event = $(event);

		// skip empty boxes
		if (event.children().length == 0) {
			return true;
		}

		var eventInfo = {};
		event.data("info", eventInfo);
		eventInfo.node = event;
		eventInfo.day = day;
		eventInfo.track = event.attr("data-track");
		eventInfo.speaker = $(event.find("span.speaker")).html();
		eventInfo.url = event.find("div.title a")[0].href;

		// for room we need to know our column index in the row
		var column = event.parent().index() - 1;
		eventInfo.room = $(rooms[column]).text();

		// tile is a chain of rendered cufons
		eventInfo.title = "";
		event.find("div.title cufontext").each(function(idx, text) {
			eventInfo.title += $(text).text();
		});

		// time is in the parent row's first element
		// unless it is overridden (half events)
		
		var overrideTime = event.find("div.session-time")[0];
		var time;
		
		if (overrideTime) {
			time = $.trim($(overrideTime).text());
		} else {
			var timeCell = $(event.parent().parent().children()[0]);
			time = timeCell.find("div.time-period-short, div.time-period-tall")[0];
			time = $.trim($(time).text());
		}
		time = Slcal.parseTime(day, time);
		eventInfo.startTime = time[0];
		eventInfo.endTime = time[1];

		Slcal.addCalendarLinks(eventInfo);
	});
};

Slcal.go = function() {
	// setup some helpers
	$_ = function(obj) {
		return $($(obj));
	};

	$_$ = function(out) {
		console.log(out);
		return $_$;
	};

	$_$("loaded slcal");

	// events are a single event on a single day
	var elcSchedule = $($("div#preconf-elc > div.container_12")[0]);
	var mainSchedules = $("div#main-conf-sessions > div.container_12");
	var unschedules = $("div#unsessions > div.container_12");

	var mondaySchedule = $(mainSchedules[0]);
	var mondayUnSchedule = $(unschedules[0]);
	var tuesdaySchedule = $(mainSchedules[1]);
	var tuesdayUnSchedule = $(unschedules[1]);

	Slcal.processElementsInSection(elcSchedule, 1);
	Slcal.processElementsInSection(mondaySchedule, 2);
	Slcal.processElementsInSection(mondayUnSchedule, 2);
	Slcal.processElementsInSection(tuesdaySchedule, 3);
	Slcal.processElementsInSection(tuesdayUnSchedule, 3);

	Slcal.addCalendarMenu();
};

// fire when ready
$(Slcal.go);