Developing a DSL Graphical Notation - Eclipse Modeling Project: A Domain-Specific Language Toolkit - page 147

Table 4-20 BPMN Task Figure Definition

Element Property Value

Figure Gallery Name BPMN Figures

Figure Descriptor Name NamedRoundedRectangle

RoundedRectangle Name NamedRoundedRectangle

Stack Layout

Minimum Size Dx, Dy 80, 40

Preferred Size Dx, Dy 80,40

Insets Bottom, Left, Right, Top 5, 5, 5, 5

Label Name Name

Child Access Figure Label Name

Node Name Task

Figure Figure Descriptor

NamedRoundedRectangle

We don't want Task items to be sized below a defined minimum, which is
also the preferred size. As such, we don't need to set a Default Size Facet
on the node element. As mentioned, Task s can have border items, as shown in
Figure 4-28. The Affixed Parent Size property used to enable this capabil-
ity is set on the border item itself, as described in Section 4.5.1, “Events.”
A Subprocess is similar to a Task element, with the addition of a small box
with a plus sign located at the bottom center. Additional decorators are defined
in the specification to indicate looping, parallelism, and so on, but these are not
covered here. Table 4-21 defines the Subprocess figure and node.

Table 4-21 BPMN Subprocess Figure Definition

Element Property Value

Figure Gallery Name BPMN Figures

Figure Descriptor Name CollapsedNameRoundedRectangle

Rounded Rectangle Name CollapsedNameRoundedRectangle

Border Layout

Minimum Size Dx, Dy 80, 40

Preferred Size Dx, Dy 80, 40

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