Speeding Up BlogTOC

Some of you who are using my (much appreciated) BlogTOC widget have mentioned the long load times of their blog as a result of the BlogTOC widget. Also, some of you want to display the Table of Contents automatically, without the visitor having to click on the Show TOC link.

Well, I will share some ideas with you regarding this subject.

Speeding up stuff
If you implement the BlogTOC widget in the standard way, the entire code of the widget is placed in a Blogger Page Element, usually somewhere at the top of you blog.
Now, while your Blog is loading, all code is processed from top to bottom. The piece of code that is the most time-consuming is the code that retrieves the Blogger Feed, parses it, and puts the data in a set of javascript arrays. This slows down loading, but once the data has loaded displaying it is done lightning-fast.
A good solution is, to move the retrieval-code to a page element that is completely at the bottom of your blog page.
I have moved the code to the bottom of the footer, and that has sped up loading a lot.
The code you have to move is this:

<script src="http://yourblog.blogspot.com/feeds/posts/default?alt=json-in-script&start-index=1&max-results=100&callback=loadtoc"></script>

Automatic display of TOC
If you want the TOC to auto-display, add a simple line of javascript code at the end:

<script type="text/javascript">showToc();</script>

Aorta Widget

If you like mashups, you probably will like my new Aorta Widget as well. It displays your life's bloddstream, your Aorta, in the sidebar of your Blog. What is in your Aorta? Your Blogger Blog feed, to begin with. But also your Flickr Photo's, your Picasa Webalbums, and your YouTube Channel.

Easy Installation
Go to the Widget Installation & Downlaods Page, and click the Install Widget to Blog button. This will bring up the Widget Installer, where you can customize the widget before installation.
Enter the full url of your Blogger blog. If you have a Picasa Webalbums account, enter the Picasa username here. If you don't have a Picasa account, leave this field blank. If you have a Flickr account, enter your FlickrID here. Again, if you have no account, leave the field blank. Finally, enter your YouTube username, or leave blank if you have no YouTube presence.
Click Customize, and then Add to my Blog.

Easy Styling
Add custom CSS-classes to your skin. You need .bbaortabox, .bbaortaitem and .bbwidgetfooter.

Pipe Your Plaxo Pulse Into Blogger

Well, I suppose that you know at least one word from this title: Blogger. Then it is time to get acquainted with Plaxo and Yahoo! Pipes. Again, as in many other Widgets I have created, the Widget might be of little practical use. But it has an educational purpose as well: it shows how to mash up datafeeds from different websites, transform them into JSON, so that you can easily pump the data into your Blogger sidebar. So here we go!

Plaxo
Plaxo is a social network service, that you can use to maintain your personal and business networks. Plaxo has been out there for several years now, but the new idea of Plaxo Pulse has given new dimensions to the use of Plaxo. The Pulse lets you share all kind of information with your network. You can add blogfeeds, links, photo's, messages or polls to your Pulse, and share them with your friends, your family, business relations, or with all of them.

Yahoo! Pipes
With Yahoo! Pipes you can convert any feed from any webpage into something else. You can mash up data from different sources, and create your own feed with it.

Piping your Pulse into Blogger
For this new widget I enabled my Personal Pulse Feed in Plaxo. This means that there is a feed containing all 'events' that took place, for example changes in personal information (phonenumber, address, etc.), or links that I added to my Pulse. This feed is a standard RSS-feed, and that is of little use because the widget needs a JSON-formatted feed (I have explained the JSON-concept in another post).
So that is where Yahoo! Pipes come in handy. I created a simple pipe, that picks up the Plaxo Feed Url. The output of this pipe can be retrieved in JSON-format. And my new widget takes that JSON-output as its input.
Relax, it sounds more complicated than it is.

Setting Up Your Plaxo Feed
Assuming you have a Plaxo account, sign in on Plaxo, and select your Pulse.
Scroll down to the bottom of the page, and click on RSS Feeds. This brings you to the Pulse Stream RSS Feeds page. Here you can see the 5 possible feeds: Everyone, Business Network, Family, Friends, and Me.
Select one of them and click on Enable. The feed will be enabled, and you can copy the Feed Url from the textbox. Copy it to Notepad for now.
This was step 1. Easy, wasn't it?

Creating the Pipe
Assuming you have a Yahoo! account, go to http://pipes.yahoo.com and sign in.
At the top of the page, click on Create a pipe to bring up the Pipe Editor. You will see the empty canvas with the text drag modules here, and several modules to the left side of the canvas. Drag the Fetch Feed-module onto the canvas. Now copy the Plaxo Feed Url from Notepad, and paste it into the url-input box in the Fetch Feed Module. Now connect the Fetch Feed Module to the Pipe Output box. A blue line will appear. Guess what - you have just created your Pipe!
Click on the Pipe Output box to select it. In the Debugger window at the bottom of the screen you will see your Pipe's Output.
Now click the Save-button, and click Back to my pipes.
From this list of pipes, click on your newly created Plaxo Pipe to run it and view its output. At the top-right you will see a small Feed-icon, with the text More options. Click this link to open a small pop-up menu. Right-click on the menu option called Get as JSON and copy the link and save it in Notepad. You will need this JSON-Feed-Url in the next step.
You have now completed step 2.

Installing the Widget
Now it is time to install the widget to your Blog. Go to the Widgets and Downloads Page, and click the Add Plaxo Pulse Widget to my Blog button. This will start the Click-n-Go Installer. In the install-screen, enter the JSON-Feed-Url from your Yahoo Pipe, and set the maximum number of items to display. Click Customize to create the Widget code, and then Add to my Blog to add the Widget to one of your Blogs.

Add some CSS
For your convenience I have added 3 custom CSS classes:

• .bbplaxobox: a wrapper containing the widget


• .bbplaxoitem: the item itself


• .bbwidgetfooter: the widget footer

Add style definitions for these classes to your template's skin.

Your Privacy
As far as I know, sharing the feed only shares the fact that you have added or changed information. The feed will NOT contain the new information. Clicking on a Pulse Item brings the user to the Plaxo Pages. Information is only visible after sign-in, for users who are connected to you.

I hope this has some use, or that it inspires you to delve further into Piping and JSON.

Google Calendar Widget

On the brink of the New Year we all update our calendars, and shred the old ones. Perfect timing for a new Blogger Sidebar Widget, that shows events from your Google Calendar in your sidebar.

It is easy to install, so give it a try!

Install Widget
Go to the Widgets & Downloads Page and click the Add Calendar Widget To Blog button.

This will bring up a pop-up window, where you can customize the settings of the widget, before instlling it to one of your blogs.
Change the settings, then click Customize, and then click Add Widget to my Blog.

Preparing you Google Calendar
Before adding the Widget to your Blog, you need to prepare your Google Calendar to share events. Your calendar has to be public; private ones will not be shown in the widget.

You will find your Google calendars at http://calendar.google.com. On the left-hand side of the screen you can see the list of all your calendars, the ones owned by you, and the ones you have subscribed to. Each calendar has a small dropdown menu. Open this dropdownmenu for the calendar you want to share, and select "Calendar Settings". On the second tab, select the radiobutton to indicate that you want to share all calendar information with everyone. Now go to the first tab, and copy the calendar ID from this page; you will find it close to the bottom, between parentheses, following the XML/ICAL/HTML-buttons. You will need this ID to customize the widget. The ID will look like v4tfgsl4n3la@group.calendar.google.com.

If you feel insecure about this, create a test-calendar, and give it a try before sharing your real calendar.

Customizing the Widget
Go to the Widgets & Downloads Page and click the Add Calendar Widget To Blog button. This will bring up the customization-window.
You need to enter the following settings.
Widget Title
This sets the heading of the Widget in your Blogger sidebar.
Calendar ID
The ID of your public Google Calendar, that you copied from the Calendar Settings page. It is best to copy-paste this ID, to avoid typing errors.
Number of events
This is the number of events that will be displayed in the sidebar. Be aware that a maximum of 25 events can be displayed.
Calendar Owner Label
If you want the name of the calendar owner to be displayed, you can enter the label that you want to use here. The label is displayed in front of the owner name. Change it tou anything you like, or leave it blank.
Event Location Label
If you want the location of te event to be displayed, you can enter the label you want to use here. The label precedes the event location. Change it to anything you like, or leave it blank.
Date Label
The date label precedes the date of the event. Change it to anything you like, or leave it blank.
Time Label
The time label precedes the date of the event. Change it to anything you like, or leave it blank.
From Label and To Label
The from- and to-label precede the starttime and endtime of the event. Change them to anything you like, or leave it blank.
Whole Day Label
The Whole Day Label is displayed if an event takes an entire day. Change it to anything you like, or leave it blank.
Checkboxes
With the checkboxes you can select which information you want to display. If you uncheck all boxes, only the eventnames, dates and times will be displayed.

If you make a mistake, click Reset to reset to the defaults.

Adding the Widget to your Blog
Click Customize to create the Widget Code, then click Add to Blog to add the widget to your blog. This brings up a Blogger-window, where you can select the blog that you want to add the widget to.

Styling the Widget
If you want to style the widget, you can use the following custom CSS classes:

• .bbcalbox : wraps around the widget


• .bbcalname: the calendar name


• .bbcaldescription: the calendar description


• .bbcalowner: the calendar owner name


• .bbcaleventname: the title of the calendar event


• .bbcaleventdescription: the description of the calendar event


• .bbcaleventlocation: the location of the event


• .bbcaleventdatetime: the date/time information of the event


• .bbwidgetfooter: the widgetfooter

Feedback
Please let me know if this widget is useful.
I wish you all a happy New Year!