Transcript Yet Another Web GUI Framework Göran Båge, Johan Blom

Yet Another Web GUI Framework
Göran Båge, Johan Blom
Mobile Arts
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Provides Messaging & Presence products to
Mobile Network Operators
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Offices in Stockholm and London
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References in Europe
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Founded 2001 by a team of mobile telecom experts with
extensive experience from development and standardisation of
GSM/UMTS/PDC/PCS platforms and applications, such as
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HLR, MSC/VLR, SSF, SCF, WAP-GW, MLC
PrePaid Systems, Unified Messaging Systems
www.mobilearts.se
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Background
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GUI for an Alteon/Nortel Product
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Beautiful & powerful
Never released?
Client required Erlang and GTK
CLI and GUI for Mobile Arts products
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Web based GUI
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Some observations
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Using a graphics environment, e.g GTK, Java
+ Powerful
+ Detailed layout
- Client box need special software
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Web based GUI
+ Everyone has a browser
+ No need to install special client software
- Only polling
- Browser differences
- Limited layout control
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Mobile Arts GUI, first implementation
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Started out pure and simple
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but reality rules
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Frames
Javascript
Messy result
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Standard HTML only
No frames
CSS
Browser dependencies (support Netscape 4, 7 and IE) in
Javascript and CSS
Many pages with similar functionality and layout
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Template based GUI
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XML like template notation
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Separate different views
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Static structure and layout
Dynamic content - interface to application
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button actions
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table content and options
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parameter checks
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...
Help texts
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How it works
URL: …/xxx:entry
xmerl
xxx.gul
jnets
parse tree
code_lib.erl
gui_lib.erl
HTML
code_gen
gui_lib.js
xxx_gui.erl
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