You can achieve all that with css. Some parts are tricky without css3,
like shadow or rounded corners, but its still possible.
Imho the browser is already a quite good rendering engine and you get
accessibility. I would rather like a gwt-only, good looking, clean and
open sourced set of html/css widgets, which supports the most use cases.
Also it should support themes and easy configuration. At the moment
there are only dual licensed solutions out there like smartgwt or extjs.
Btw: there is a mootools library which implements some canvas based
widgets: https://github.com/anutron/art-widgets
Maybe it is useful to you.
Regards,
Stefan
Am 17.02.2011 03:31, schrieb Kurtt:
GWT 2.2 introduces the Canvas, which is actually a 2D-API. This is
exactly what Java Swing is based on. And we can create a LooknFeel
class for GWT, which wraps a set of painting Canvas method. If we set
the app a certain LooknFeel, when a widget is showing , the widget
asks the LooknFeel to draw the UI for it according to its own state.
This is similar to how the Java Swing pluggable LooknFeel works.
benefits are that, 1) apps don't need CSS to define the look. For pure
desktop-app developers like me, i find trouble in writing perfect
CSSs. 2) Further, this guarantees the unified look across platform,
while sometimes you have to write different CSS styles for different
browsers. 3) Canvas supports drawing in the vector way. Nimbus in
Swing is a LooknFeel based on vector-rendering.
What do you think, guys?
And, allow me to complain that the Canvas class under GWT 2.2.0
removed the support for IE 6/7/8. Even though some few effects are not
displayed perfectly in IE and are 30x slower because the canvas tag is
actually simulated, I need the Canvas in IE 6/7/8. Cause in china, the
IE6/7/8 occupies a worth-noting market share (Microsoft executives:
China is IE6 die biggest obstacle:http://www.amieindia.net/
viewtopic.php?f=244&t=15183).
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