
Extension View Editor 4-51
4-51
Attachment
Figure 4.37
Object Description
Drop List
Sorting
Assign a type of sorting for the list of attachments that
appears in the drop-down list: Ascending (alphabetical),
Descending (reverse alphabetical) or None.
Expand Style This is the recommended way, by controlling through the
widget instead of through code, to control how the matrix
expands.
There are three selections in this drop-down list:
• Always. Adds another field to the matrix when the
current boundary is exceeded. The default setting for
Empty Text is <Empty>.
An example of this behaviour is found for unit
operations that can handle multiple feeds or products.
You are first presented with something like <New
Feed>. As you add feeds, the matrix is expanded and
<New Feed> is added to the bottom of the list. When
the physical size of the matrix is exceeded, scroll bars
appear and another field is added to the bottom of the
list. In this case, the.edf file has been modified
through a text editor to change the Empty Text from
<Empty> to <New Feed>.
• Never. The matrix is limited to the physical size of the
widget.
• Limit. Supply a limit for the maximum size that is
allowed for the data set.
Allow
Creation
Select this checkbox if you want the user to be able to type
in a name and have a new object (of the particular type) be
created and added to the list if the name does not already
exist.
Show Tag
Names
If this checkbox is selected, you will see the flowsheet
name attached to the object name if you are currently not
in the flowsheet where the object resides (i.e., from the
column environment, you might see Feed@Main if the
stream Feed was created in the main environment).
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