WPF Authorization - ApplyAuthorization on ReadWriteAuthorization

What does CanWriteProperty(“Status”) return when the object is closed? It must return true right? You’ve overridden CanWriteProperty() to return false for all other properties based on the status value?

I guess I still don’t understand what’s happening in the app. For the property to be writable, CanWriteProperty() should be returning true – and then Authorizer would turn on the control (or wouldn’t turn it off in this case).

Rocky

I have a combobox for the status property of the object.  It contains Open/Closed.  When the object is closed, none of the properties of the object should be editable, except status.  Once status is changed back to Open, all the properties should then be editable.  This worked fine in WinForms, but to get it to work in wpf, I had to make a change at the top of the SetWrite method of the Authorizer

bool canWrite = source.CanWriteProperty(bnd.Path.Path);

VisibilityMode visibilityMode = GetNotVisibleMode(ctl);

if (visibilityMode == VisibilityMode.Ignore)

canWrite = true;

With this change, it works.

Maybe you have found a bug in how the control walks through the visual tree. I’ll have to try and replicate the issue.

Rocky

I did overwrite the CanWriteProperty.

public override bool CanWriteProperty(string propertyName) {

if (!this.IsTicketBeingClosed() && this.Status == "Closed"

&& propertyName != "Status")

return false;

else

return base.CanWriteProperty(propertyName);

}

The control I am working with is below.  Debugging, it is going through the SetWrite method twice, once where bnd.Path.Path has a value of Status, the other time it is going through where bnd.Path.Path is an empty string, and that is where CanWriteProperty returns false.  I have no idea where it is coming up with the second empty binding.  I've noticed it does this for each of my comboboxes.  Am I binding them correctly?  There is a grid control with the list of objects, and a detail tabcontrol below it.  In the tabcontrol I'm setting the DataContext like this

DataContext="{Binding Path=CurrentItem, ElementName=TicketGrid}"

The grid is populated via CslaDataProvider and the ItemsSource of the comboboxes are also populated via CslaDataProvider

<ComboBox ItemsSource="{Binding Source={StaticResource ticketStatusList}}"

DisplayMemberPath="CallStatus" MaxWidth="100"

SelectedValuePath="CallStatus"

SelectedValue="{Binding Path=Status}"

Width="Auto" Margin="0,0,0,0" Canvas.Left="240" Canvas.Top="83" x:Name="cmbStatus" Height="22" />