[udig-devel] Re: states of features

[Jesse Eichar]

Hi Tony,

Question 1:
There are a few things going on here:

1.  After creating a feature (but not committing) the feature has  
been written to the transaction but it is still in editable state.
2.  If you encounter some problems with refreshing during editing you  
can try turning off a preference
Tool > Edit Tools > Edit Tool Performance > Hide Features on Select
This preference is useful when editing lines and points as it hides  
the point when it is selected for editing, however it also causes  
some refresh related issues.

Question 2:
Probably the best way is to make it a preference for the  
WriteChangesBehaviour so that if the preference the state will be  
updated so that there is no feature being edited.

FYI this selection is maintained so that the attributes can be  
entered into the table view for the feature after creating the feature.

Jesse

On Sep 6, 2007, at 12:21 AM, tony.roth at GMX.de wrote:

> Hi Jesse,
> since I don't know if it's allowed to send files to the list, I  
> write this email to you. You can respond to the list if it's ok.
>
> Attached is a png file with two screenshots. The map contains a  
> shapefile layer ("strassen"): the streets of a german city, a point  
> layer ("l2") (empty) and a polygon layer ("l1").
>
> Screenshot one shows a polygon created on layer l1 with the polygon  
> tool. After adding the last vertex with a double click the polygon  
> is created and remains in the shown state: not filled and  
> highlighted vertices.
> Question 1: What kind of state is this? Selected? Editable?
> Question 2: How can I change programatically this state to  
> 'normal' (not selected, not editable)? Do I have to modify the  
> feature or is this polygon not yet a feature?
>
> Screenshot two shows two polygons. The first one which has the  
> state I call 'normal' and a second one. The second one has been  
> drawn, then I activated (selected) another layer and switched back  
> to layer l1 again. Now the polygon has a dotted border and is  
> filled in antoher color. What kind of state is this?
>
> thanks,
> tony roth
> <polygon.png>

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