popup-/contextmenu in Editor field of DataGrid?

[Klaus Major]

Hi Trevor,

> On Sep 11, 2009, at 5:12 AM, Klaus Major wrote:
>
>> Hi all (and Trevor :-)
>
> Hi Klaus :-)
>
>> Any hints on how to popup a menu in the "Editor field" of a DataGrid?
>> I want to let the user choose pre-made text to insert into that  
>> column, know what I mean?
> This lesson shows how to trigger the data grid mousedown code before  
> displaying a contextual:
> How Do I Show a Contextual Menu?: <http://revolution.screenstepslive.com/spaces/revolution/manuals/datagrid/lessons/2962 
> >
> Although the example script would be placed in the data grid group  
> script itself you could just as easily place the code in the  
> behavior for a custom column template:
> How Do I Customize A Table's Columns?: <http://revolution.screenstepslive.com/spaces/revolution/manuals/datagrid/lessons/3436-How-Do-I-Customize-A-Table-s-Columns- 
> >
>
>> Or if that is not possible, I could also need this when right- 
>> clicking on any column,
>> so I can insert the chosen text into the clicked column.
>>
>> The popup button will NOT be part of the DataGrid.
>
> As long as the popup menu button is on the card you won't have any  
> problems. What you do need to do, however, is have the popup send a  
> message back to the custom column control so that you can update the  
> data grid value. I usually do this by setting a custom property on  
> the button before displaying it. So below you will find one way to  
> approach this.
>
> -- Column behavior script
>
> on mouseDown pMouseBtnNum
>    dgMouseDown pMouseBtnNum
>    if pMouseBtnNum is 3 then
>        set the uTarget of button "MyContextualMenu" to the long id  
> of me
>        popup button "MyContextualMenu"
>    end if
> end mouseDown
>
> Then in the menuPick handler of "MyContextualMenu" I would do  
> something like this:
>
> -- button "MyContextualMenu" script
>
> on menuPick pChosen
>    dispatch "UpdateColumnValue" to the uTarget of me with pChosen
> end menuPick
>
> Now you just add the UpdateColumnValue command to the column  
> behavior script. The code will look just like any other code in the  
> docs that update data grid values.
>
> -- Column behavior script
>
> command UpdateColumnValue pValue
>    put the dgIndex of the me into theIndex
>    put the dgDataOfIndex[theIndex] of the dgControl of me into  
> theDataA
>    put pValue into theDataA[the dgColumn of me]
>    set the dgDataOfIndex[theIndex] of the dgControl of me to theDataA
> end UpdateColumnValue
>
> -- 
> Trevor DeVore
> Blue Mango Learning Systems
> ScreenSteps: http://www.screensteps.com
> Developer Resources: http://revolution.bluemangolearning.com

thanks a LOT for this!
Will try later at home.


Best

Klaus

--
Klaus Major
http://www.major-k.de
klaus at major.on-rev.com