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Complex Table Structure using NatTable [message #993945]

Tue, 25 December 2012 20:07

Eclipse User

I have a table with multiple rows which will be dynamic. In between these rows i will have summary row to count Sub Total Amount and Final row will be Summary row to populate Total Amount. Each row will contain Amount of particular Item.
For example
Category1 -Item1 -100 USD,
-Item2 -200 USD.
Subtoatal to Category 1 - 300 USD.

Category2 -Item1 -300 USD,
-Item2 -100 USD.
Subtoatal to Category 1 - 400 USD.
Now total Amount row will add subtotal amount of each category i.e 700 USD.

Is there any option to achieve this using Nat Table. Basically i am trying to replicate Webpage Table to SWT/Jface . And i apologize i don get option to attach screenshot. Also please note that values in table will be populated from Database

[Updated on: Tue, 25 December 2012 21:01] by Moderator

Re: Complex Table Structure using NatTable [message #994907 is a reply to message #993945]

Fri, 28 December 2012 10:59

Eclipse User

Hi Prashant,

This is certainly achievable. You have some underlying data which is grouped, and for each group you want to add a summary row. I'd probably approach this by creating an IDataProvider that returns the group data and also adds the calculated summary row:

class MyDataProvider implements IDataProvider {
  public Object getDataValue(int columnIndex, int rowIndex) {
    // figure out what group you're in based on the row index, then return the appropriate data or summary data
  }

  public int getRowCount() {
    return underlyingDataRowCount
      + numGroups  // for each group summary row
      + 1;  // for the overall total row
  }

If you want to change the styling for the summary rows, you'll want to also set a config label accumulator on the DataLayer that returns a different config label for summary rows. See http://eclipse.org/nattable/documentation.php?page=styling for more info on styling.

Cheers,
Edwin

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