ObjectModelerNavigator Interface CATINavigNodeCtrl
Usage: you can reimplement this interface by deriving the supplied CATNodeExtension adapter class.
interface CATINavigNodeCtrl
Interface to manage tree node expansion.
Role: This interface enables you to override the default expansion behaviour.
BOA information: this interface CANNOT be implemented
using the BOA (Basic Object Adapter).
To know more about the BOA, refer to the CAA Encyclopedia home page.
Click Middleware at the bottom left, then click the Object Modeler tab page.
Several articles deal with the BOA.
Method Index
- o
Dereference(int)
- Looks for children and creates child nodes and expands them if necessary.
- o
GetExpansionMode(CATINavigNodeCtrl::ExpansionMode&)
- Gets the expansion mode.
- o
Undereference()
- Collapses the node.
Enumerated Type Index
- o
ExpansionMode
- Mode of expansion of a node.
Methods
o Dereference
| public virtual Dereference( | | iDepth) |
-
Looks for children and creates child nodes and expands them if necessary.
- Parameters:
-
- iDepth
- The depth until which expands the graph.
o GetExpansionMode
| public virtual GetExpansionMode( | | oExpansionMode) |
-
Gets the expansion mode.
The expansion mode is taken into account by
.
- Parameters:
-
- oExpansionMode
- The expansion mode.
o Undereference
| public virtual Undereference( | ) |
-
Collapses the node.
Enumerated Types
o ExpansionMode
-
enum ExpansionMode {
NotExpandable,
Expandable,
ExpandableIfWithChild
}
Mode of expansion of a node.
- Parameters:
-
- NotExpandable
- Children are never looked for. There's no activator (+)/(-) shown on the left of the node.
- Expandable
- Children are not looked for as long as the node is collapsed.
The activator (+) is shown on the left of the node. Once the node is expanded, the node is treated like with ExpandableIfWithChild.
- ExpandableIfWithChild
- The children are looked for.
- If no child has been found, no activator is shown.
- If at least one child has been found, an activator (+) is shown if the node is collapsed,
and an activator (-) is shown if the node is expanded.
This object is included in the file: CATINavigNodeCtrl.h
If needed, your Imakefile.mk should include the module: CATObjectModelerNavigator
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