Package com.bc.ceres.swing.selection

Interface SelectionContext

All Superinterfaces:

Extensible, SelectionChangeEmitter, SelectionSource

All Known Subinterfaces:

FigureEditor

All Known Implementing Classes:

AbstractSelectionContext, ComboBoxSelectionContext, DefaultFigureEditor, DefaultSelectionContext, FigureSelectionContext, ListSelectionContext, TableSelectionContext, TreeSelectionContext

public interface SelectionContext
extends SelectionSource, Extensible

A selection context is a selection source with additional capabilities, e.g. insert, delete and select all. It can be seen as the environment in which selections reside and originate, e.g. a GUI table, list, tree, or a drawing of figures.

This interface may be directly implemented by clients, although it is advised to extend AbstractSelectionContext, since this interface may evolve in the future.

Since:

Ceres 0.10

Method Summary

Modifier and Type	Method	Description
boolean	canDeleteSelection()
boolean	canInsert(Transferable contents)	Tests whether the current contents (e.g.
boolean	canSelectAll()
void	deleteSelection()	Deletes the current selection.
void	insert(Transferable transferable)	Inserts a selection represented by the given Transferable into this context.
void	selectAll()	Selects all items.
void	setSelection(Selection selection)	Sets a new selection.

Methods inherited from interface com.bc.ceres.core.Extensible

getExtension

Methods inherited from interface com.bc.ceres.swing.selection.SelectionChangeEmitter

addSelectionChangeListener, getSelectionChangeListeners, removeSelectionChangeListener

Methods inherited from interface com.bc.ceres.swing.selection.SelectionSource

getSelection

Method Details

setSelection

void setSelection(Selection selection)

Sets a new selection.

Parameters:

selection - The new selection.

canInsert

boolean canInsert(Transferable contents)

Tests whether the current contents (e.g. from clipboard, drag and drop) can be inserted into this selection context.

Parameters:

contents - The contents.

Returns:

true if the given contents can be inserted into this context.

See Also:

• insert(Transferable)

insert

void insert(Transferable transferable)
     throws IOException,
UnsupportedFlavorException

Inserts a selection represented by the given Transferable into this context.

Parameters:

transferable - The transferable object.

Throws:

IOException - if an I/O error occurs

UnsupportedFlavorException

See Also:

• canInsert(java.awt.datatransfer.Transferable)
• Selection.createTransferable(boolean)
• ClipboardOwner.lostOwnership(java.awt.datatransfer.Clipboard, java.awt.datatransfer.Transferable)

canDeleteSelection

boolean canDeleteSelection()

Returns:

true if the current selection can be deleted.

See Also:

• deleteSelection()

deleteSelection

void deleteSelection()

Deletes the current selection.

See Also:

• canDeleteSelection()

canSelectAll

boolean canSelectAll()

Returns:

true if all items can be selected.

See Also:

• selectAll()

selectAll

void selectAll()

Selects all items.

See Also:

• canSelectAll()