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Highlighting specific cells on a paste operation [message #1478125]

Tue, 18 November 2014 12:00

Brian Lobo

Messages: 8
Registered: September 2014

Junior Member

Hi

I have a copy paste functionality in place where the rows that are selected are copied and then pasted to the selected target cells . But some cells have to be skipped during this paste operation and have to be highlighed , How do I hightligh those cells . I tried adding a label to the necessary cells before called setDataValue (for pasting values on the targetted selected cells) , but looks like the label is lost during rendering and hence I dont see the effect . Is there a solution where I can highlight specific cells only during this paste operation which is triggered by selected cells , right clicking a menu for paste

Thanks in advance

Brian lobo

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Re: Highlighting specific cells on a paste operation [message #1478138 is a reply to message #1478125]

Tue, 18 November 2014 12:17

Dirk Fauth

Messages: 2803
Registered: July 2012

Senior Member

The label stack is created and build up from the bottom on rendering. So adding a label afterwards does not work. So if I understand you correctly you need to find a way to temporarily remember where you want to highlight something because of a condition or state. If your state is only available in a specific time slot (your paste) and is gone when the table is rerendered I have no idea how it should work.

I'm not sure if I understand your requirement correctly and I'm not sure if NatTable is that flexible that it rerenders stuff solely on actions, although it supports rerendering of specific cells, rows and columns.

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Re: Highlighting specific cells on a paste operation [message #1479003 is a reply to message #1478138]

Wed, 19 November 2014 04:49

Brian Lobo

Messages: 8
Registered: September 2014

Junior Member

Actually the state is not for a time slot , Moreover when I paste I will have the cells be highlighted and it will remain unless I enter a value on that cell , Its moreover an indicator that the paste has not don't its job and the user has to enter values manually. Do you think this kind of functionality is possible ?

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Re: Highlighting specific cells on a paste operation [message #1479020 is a reply to message #1479003]

Wed, 19 November 2014 05:10

Dirk Fauth

Messages: 2803
Registered: July 2012

Senior Member

Yes, in that case you need a way to keep that state somehow, so you can add a label dependent to that state. Maybe some additional map somewhere like a dirty map for position key and boolean value.

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Re: Highlighting specific cells on a paste operation [message #1479328 is a reply to message #1479020]

Wed, 19 November 2014 10:50

Brian Lobo

Messages: 8
Registered: September 2014

Junior Member

Actually getting out of state and removing the label is not a problem for me as In the createbodylayer I could just check the value of the cell and if its not blank I would remove its set label and make it behave normal. My challange is when I do a paste operation which I get done with setDataValue , how can I set the label . because setting a label during setdataValue doesnt seem to be the solution as you rightly mentioned about the label being reloaded , So how do I apply the label so that once the other cells are pasted I am able to apply a label on the specific cell I need to.

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Re: Highlighting specific cells on a paste operation [message #1479363 is a reply to message #1479328]

Wed, 19 November 2014 11:20

Dirk Fauth

Messages: 2803
Registered: July 2012

Senior Member

Quote:

how can I set the label

I might repeat myself, but you can only add a label using an accumulator that can add the label in the default way when the label stack is requested. Or implement a custom layer that adds the label. But the label stack is build from bottom to top. Adding the labels at some places out of the default mechanism won't work.

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