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  1. #1
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    Ekambos is a jewel in the rough Ekambos is a jewel in the rough Ekambos is a jewel in the rough Ekambos is a jewel in the rough

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    Default Clientside file generation with GWT(GXT)

    Clientside file generation with GWT(GXT)


    Beeing able to generate files on the client is a common requirement and a usefull feature for a webapplication .
    In one of our applications for example we have users generating reports every 30-45 seconds. By beeing able to do that on the client we do not need to scale our servers when the number of users grows.

    Gwt4Air (http://code.google.com/p/gwt4air/) introduced in version 2.1 a File API that uses Flex and let u create files(PDF , Excel, Text, PNG, JPEG...) on the client by adding a Flex widget into your GWT application. The problem with that approach is that you needed to load an entire instance of the Flex framework just to be able to read/write files on the client

    Gwt4air 2.2 will introcude a more lightweigt solution that does not require Flex(Flash is still needed dough). Please take a minute to visit:

    http://gwt4air.googlecode.com/svn/tr...er/GwtAir.html

    to see the preview in action

    I m lookig forward to hearing your feedback.

    Regards,

    Alain

  2. #2
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    The demo now includes a File Reader API.
    Cheers,
    Alain

  3. #3
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    Ekambos is a jewel in the rough Ekambos is a jewel in the rough Ekambos is a jewel in the rough Ekambos is a jewel in the rough

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    I have changed the demo to demonstrate exporting a GXT(2.XXX) chart to a PNG image.
    Exporting to others formats(PDF, JPEG, etc.. ) will also be possible
    cheers,

    Alain

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    rmulcha is on a distinguished road

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    Default Gwt4Air with GXT3

    Gwt4Air with GXT3


    Does GWT4Air work with GXT3, and are there any samples pls.

  5. #5
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    Not that i m aware of. But i heard that the guyz are working(I m not the owner of the project anymore) on the next version of the library.
    So stay tuned

  6. #6
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    It looks like the new version will work with any GWT based library for clientside I/O

    http://emitrom.com/announcements/flash4j-3.1-ga

    E
    njoy

  7. #7
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    And see it in action here. The demo export a 2.X GXT chart to PDF and PNG on the client.

    http://emitrom.github.io/Flash4j/

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