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This is an overview session that touches onto all kinds of new developments in the wide field of web design. This talk is mainly focussed on client side technologies (HTML, CSS, JavaScript) and outlines the news of the past months. If you have not been following the buzz lately, this is a good session to get you up to speed.
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What’s newin
Web Development?
Konstantin
Käfer
Konstantin Käfer2
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HTML 5
Gears, Native Client & Silverlight
CSS 3
Client side XSLT
Konstantin Käfer
HTML 5
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Standardize what’salready there
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Standardize solutionsfor real-life applications
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HTML 5: Structural Elements
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‣ <section>, <nav>, <article>, <aside>, <footer>, <figure>, <header>, <dialog>
‣ Behave like spans; use display:block
‣ For structuring pages
‣ Allows for nice CSS:
– footer { font-size: 0.75em; color: gray; }
Konstantin Käfer
HTML 5 in action‣ Doctype: <!DOCTYPE html>
‣ Most browsers support any tags
‣ Except our beloved Internet Explorer
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<section> <h2>Alpha</h2> <p> Section Alpha </p></section>
<section></section> <h2>Alpha</h2> <p> Section Alpha </p></section><//section>
Konstantin Käfer
document.createElement('section');
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HTML 5
New input types
Konstantin Käfer
HTML 5: Storing data‣ Database Storage API: Plain SQL
‣ Local Storage: key-value pairs
‣ Session Storage: key-value pairs
‣ Supported by Mozilla, WebKit, Opera
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Konstantin Käfer
HTML 5: <canvas>‣ Already supported by Mozilla, WebKit, Opera
‣ Arbitrary 2D drawing
‣ Can be emulated with VML in IE
‣ Applications:
– http://code.google.com/p/flot/
– http://wiki.github.com/sorccu/cufon/about
– http://ejohn.org/blog/processingjs/
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Konstantin Käfer
Canvas Fonts‣ Alternative to images replacement and sIFR
‣ Use <canvas> and VML to render fonts
‣ Several libraries
– http://typeface.neocracy.org
– http://cufon.shoqolate.com
‣ Converts font files to proprietary format
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Konstantin Käfer
HTML 5: Miscellaneous‣ Drag-and-Drop
‣ Cross-document message exchange
‣ Data grids
‣ Undo manager
‣ Web sockets
‣ <video>, <audio> tags
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Konstantin Käfer
Google Gears‣ Offline applications
‣ Worker pools(for compute-intensive applications)
‣ Databases(not fully compatible with HTML 5)
‣ Geolocation
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Gears Demos
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Google Native Client
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Silverlight
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‣ Microsoft’s Flash clone
‣ Based on XAML and WPF
‣ .NET languages (C#, VB.NET, IronPython, ...)
<Canvas xmlns="http://schemas.microsoft.com/client/2007" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Ellipse Canvas.Left="30" Canvas.Top="30" Height="200" Width="200" Stroke="Black" StrokeThickness="10" Fill="SlateBlue" /></Canvas>
Konstantin Käfer
Silverlight Demos
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CSS 3
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‣ Split up in modules
‣ Some parts are already implemented
– Use them now! (Degrade gracefully)
Konstantin Käfer
CSS 3‣ border-radius: 5px;
‣ user-modify: read-write;
‣ box-shadow: 3px 3px 5px #888;
‣ background: rgba(0, 0, 0, 0.5);
‣ border-image: url(border.png) 5 5 10 10 round round;
‣ text-overflow: ellipsis;
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Konstantin Käfer
CSS 3 cont.‣ column-width: 10em;
column-gap: 1em;
‣ @font-face { font-family: Aller; src: url('Aller-Roman.otf');}
font-family: Aller, sans-serif;
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Konstantin Käfer
WebKit’s CSS enhancements‣ Transforms: Rotating, Scaling, Morphing, ...
‣ Transitions: Animate between two states
‣ Animations: Define keyframes and timelines
‣ Demo
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Konstantin Käfer
Client side XSLT‣ Transform XML documents
to HTML
‣ Use the same XML forWeb Services
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XML Input XSLT Code
XSLT Processor
<xsl:value-of>Title:$nameDate:$curdat</xsl:value-o
Result Document
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Client side XML/XSLT
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<?xml version="1.0" encoding="UTF-8"?><page title="Add text format" path="admin/settings/filter/add" base="/"> <title>Add text format</title>
<content>...</content>
<menu id="navigation" title="Navigation"> <item path="user/1" title="My account" /> <item path="node/add" title="Create content" children="2" /> <item path="admin" title="Administer" /> <item path="admin/content" title="Content management" children="6" /> <item path="admin/build" title="Site building" children="4" /> <item path="admin/settings" title="Site configuration">...</item> <item path="admin/user" title="User management" /> <item path="admin/reports" title="Reports" /> <item path="admin/help" title="Help" /> <item path="logout" title="Log out" /> </menu>
<user name="admin" id="1" /></page>
Konstantin Käfer
Server side JavaScript‣ Has been possible for a long time (CGI)
‣ Interpreters got extremely fast
‣ http://groups.google.com/group/serverjs
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Konstantin Käfer
Sources & Credits – http://www.peterkroener.de/html5-was-geht-heute-
schon-was-geht-nicht-der-grosse-ueberblick/
– http://andybudd.com/presentations/css3/
– http://lipidity.com/apple/iphone-webkit-css-3
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