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Class STContent
Extends STBase
This is the base class for content that appears in a tree. While this is a ratherlarge class it is also built to be lightweight and nothing is initialized unless it
is needed.
This class handles all inserting and deleting of content in the list and it is
important that this is not violated as there is data cached based on the list
to allow fast access to the list as an array. The only functions to modify
the list pointers are:
- InsertContentBefore(...)
- InsertContentAfter(...)
- InsertContentAtStart(...)
- InsertContentAtEnd(...)
- RemoveContent(...)
The class provides the following capabilities to objects:
- Appear in the project tree
- Contain child objects
- Add property panels to the properties dialogs
- Obtain general textural information from objects
- Get an icon for an object's tree element
- Lock and unlock objects for threads to access them safely
- Support Drag n Drop
- Support selection
- Support popup-menus
And provides the ability for objects to:
- Appear in the project tree
- Contain child objects
Implementation note: This class does not use the standard java List class because
it was faster and was a smaller memory foot print to implement this class as a node
in a list. The list is doubly-linked and this object has pointers to the start
and end of the list.
Copyright, SchoonerTurtles LLP, 2009
@author Jim Graham
| Returns | Default | Function | Throws |
|---|---|---|---|
| Delete and Extensions | AddMenuItems(Container ThePopupMenu) | Exception | |
| null | AddSettingsPanels(STSettingsDialog TheDialog) | Exception | |
| Show settings dialog | DoubleClickBranch(STAppView TheView) | Exception | |
| String | GetDefaultExportFileExtention() | ||
| STBounds | 20 | GetLegendSymbolRefDimensions(STView TheView) | Exception |
| Image | null | GetTreeIcon(int HeightInPixels) | Exception |