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Thread: Status of grid column sort

  1. #1
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    Status of grid column sort

    There are a couple of threads (http://www.lianja.com/community/show...rt+grid+column and http://www.lianja.com/community/show...-Sort-delegate ) on the ability to sort a grid column by clicking on the header.

    I thought I'd check in on the status of such (since it's not reflected in the Wiki) for 1) grid sections; 2) grids in a form section, 3) grids on a canvas section, and 4) grids on a custom section.

    thanks,

    Hank

  2. #2
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    It isn't clear for me HOW to sort a grid column. E.g. there is noting to check in the column property.
    (The grid is in an own related Form Section and the column to sort has noting to do with parent/child key).
    I'm using vers. 1.1.6
    Thank you
    Georg

  3. #3
    Lianja Development Team barrymavin's Avatar
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    Hi Georg

    is the grid in a grid section?
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  4. #4
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    Quote Originally Posted by barrymavin View Post
    is the grid in a grid section?
    Yes, most of my grid are in grid sections.

  5. #5
    Lianja Development Team barrymavin's Avatar
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    I'm not on my computer at the moment but if I recall correctly "Sortable" is a grid attribute.

    in development mode you click on the grid column header once to create an index in ascending order and again to create an index in descending order.

    the created index is prefixed with the child key expression so the relationship still works. Clicking on the column header at runtime will select the sort order based on that column. There should be an indicator to show what order is active (down arrow or up arrow).
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  6. #6
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    Quote Originally Posted by barrymavin View Post
    I recall correctly "Sortable" is a grid attribute.
    Sorry, I can't find a "Sortable" attribute wether in "Grid section attributes" nor in "Grid column attributes".
    Also not in a "Grid gadget" dragged on a "Form section".
    (I'm using version 1.1.6)

  7. #7
    Lianja Development Team barrymavin's Avatar
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    I don't think it is exposed in a grid gadget. I will check the grid attributes and reply later.
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  8. #8
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    Is there news in sorting grid columns? How could I sort a grid column (of a grid section) in a web app? I use Version 1.2. now

  9. #9
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    There is a "Sort" in the grid section Custom Delegates.
    The tooltip text says:
    "The delegate for the column Sort fired when the header is clicked.
    This is called with 2 args (..._sort(nColumn,nDirection)".
    Is anywhere a description of this call?
    f.e the values for nDirection.
    I tried out 1 and 2 (page1_(grid)section1_sort(4,1 and 2). It doesn't work.

  10. #10
    Lianja Team yvonne.milne's Avatar
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    Hi Georg,

    You can call the grid.sort() method (http://www.lianja.com/doc/index.php/Grid), e.g.:

    Code:
    oGrid = Lianja.get("page1.section1").grid
    // sort 3rd column ascending
    // columns start from 0
    // direction: 1=ascending, -1 = descending
    oGrid.sort(2,1)
    The Sort delegate is not currently called when clicking on the column headers.
    I'll check on support in JavaScript and the Web Client.

    Regards,

    Yvonne

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