org.openstreetmap.josm.data

Interface ReorderableModel<T>

Type Parameters:

T - item type

All Known Subinterfaces:

ReorderableTableModel<T>, SortableModel<T>, SortableTableModel<T>

All Known Implementing Classes:

FilterModel, FilterTableModel, LayerListDialog.LayerListModel, MemberTableModel, SourceEditor.ActiveSourcesModel

public interface ReorderableModel<T>

Defines a model that can be reordered.

Since:

15226

Method Summary

Modifier and Type	Method and Description
default boolean	canMove(int delta, java.util.function.IntSupplier rowCount, int... rows) Checks that a range of rows can be moved by a given number of positions.
default boolean	canMoveDown(java.util.function.IntSupplier rowCount, int... rows) Checks that a range of rows can be moved down (by 1 position).
default boolean	canMoveUp(java.util.function.IntSupplier rowCount, int... rows) Checks that a range of rows can be moved up (by 1 position).
default boolean	doMove(int delta, int... selectedRows) Performs the move operation, without any check nor selection handling.
T	getValue(int index) Get object value at given index.
T	setValue(int index, T value) Set object value at given index.

Method Detail

getValue

T getValue(int index)

Get object value at given index.

Parameters:

index - index

Returns:

object value at given index

setValue

T setValue(int index,
           T value)

Set object value at given index.

Parameters:

index - index

value - new value

Returns:

the value previously at the specified position

canMove

default boolean canMove(int delta,
                        java.util.function.IntSupplier rowCount,
                        int... rows)

Checks that a range of rows can be moved by a given number of positions.

Parameters:

delta - negative or positive delta

rowCount - row count supplier

rows - indexes of rows to move

Returns:

true if rows can be moved

canMoveUp

default boolean canMoveUp(java.util.function.IntSupplier rowCount,
                          int... rows)

Checks that a range of rows can be moved up (by 1 position).

Parameters:

rowCount - row count supplier

rows - indexes of rows to move up

Returns:

true if rows can be moved up

canMoveDown

default boolean canMoveDown(java.util.function.IntSupplier rowCount,
                            int... rows)

Checks that a range of rows can be moved down (by 1 position).

Parameters:

rowCount - row count supplier

rows - indexes of rows to move down

Returns:

true if rows can be moved down

doMove

default boolean doMove(int delta,
                       int... selectedRows)

Performs the move operation, without any check nor selection handling.

Parameters:

delta - negative or positive delta

selectedRows - rows to move

Returns:

true if rows have been moved