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The eaForms related element control is a control which can be used to create or delete links between the current element and others which have a defined element type and stereotype, with a defined connection type and stereotype.
In defining the Related Element the designer specifies 4 values:
At runtime the user is presented with a control in which they can select a target package (see below note on target package) using the button [...] - the control will then list any elements that match the defined (pre-set selection) criteria and the user can select 1 or more items with which to connect.
And then when editing an element the user is presented with a list of matching target elements.
The user can then check / uncheck the element entries to create/maintain or delete a link of the relevant type between the current element and its target(s).
Note - the Related Element control does not modify any elements and/or connectors where there is not a match on the type and stereotype of each respectively
If the control has been configured as mandatory then at least 1 item must be selected before the form can be saved.
The selected target package is stored in each users settings for subsequent use.
The designer can set a rich text box:
Control specific attributes
- T (top)
- B (bottom)
- L (left)
- R (right)
Note on target package
When using the Related Element, the target package selected by the user is persisted by storing their choices in the application settings on their current machine; these are specific to a user/machine configuration and are NOT stored in the model. Each choice is linked to an individual related element control for a specific form and is not shared.