com.webobjects.eointerface
Class EOTableAssociation.TablePlugin

java.lang.Object
  com.webobjects.eointerface.EOWidgetAssociation.WidgetPlugin
      com.webobjects.eointerface.EOTableAssociation.TablePlugin

All Implemented Interfaces:

NSDisposable

Direct Known Subclasses:

EOSwingTablePlugin

Enclosing class:

EOTableAssociation

public abstract static class EOTableAssociation.TablePlugin
extends EOWidgetAssociation.WidgetPlugin

TablePlugin communicates with a UI widget (NSTableView, JTable or EOTable, for example) on behalf of an EOTableAssociation. The TablePlugin class defines some basic functionality concrete subclasses must implement for this communication to work.

Nested Class Summary

Nested classes/interfaces inherited from class com.webobjects.eointerface.EOWidgetAssociation.WidgetPlugin

EOWidgetAssociation.WidgetPlugin.Formatting

Constructor Summary

EOTableAssociation.TablePlugin(EOWidgetAssociation association, Object widget)
Subclasses should override this constructor to do any initialization they need to, but should call the super(association, widget) constructor.

Method Summary

abstract int	editingColumnIndex() Asks the plugin of the table view for the column currently being edited.
abstract int	editingRowIndex() Asks the plugin of the table view for the row currently being edited.
abstract EOTableAssociation	existingTableAssociation() Asks the plugin of the table view for an already existing table association.
abstract int	numberOfColumns() Asks the plugin of the table view for the number of columns in the table.
abstract int[]	selectionIndexes() Asks the plugin of the table view for the selected rows.
abstract EOTableColumnAssociation	tableColumnAssociationForColumnAtIndex(int columnIndex) Asks the plugin of the table view for the column association at a specific index.
abstract void	updateSelectionIndexes(int[] selectedRowIndexes) Calls the plugin to update the table view for a changed selection.
abstract void	updateTableContents(int numberOfRows) Calls the plugin to update the contents of its table view.

Methods inherited from class com.webobjects.eointerface.EOWidgetAssociation.WidgetPlugin

association, breakConnection, dispose, establishConnection, unacceptableAspects, widget, widgetKeysTaken

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EOTableAssociation.TablePlugin

public EOTableAssociation.TablePlugin(EOWidgetAssociation association,
                                      Object widget)

Subclasses should override this constructor to do any initialization they need to, but should call the super(association, widget) constructor.

Parameters:

association - EOTableAssociation object for which the plugin will handle setting and getting values on the UI widget

widget - the UI object that the plugin will use for display

Method Detail

updateTableContents

public abstract void updateTableContents(int numberOfRows)

Calls the plugin to update the contents of its table view.

Parameters:

numberOfRows - the number of rows displayed in the table

updateSelectionIndexes

public abstract void updateSelectionIndexes(int[] selectedRowIndexes)

Calls the plugin to update the table view for a changed selection.

Parameters:

selectedRowIndexes - an array with the indexes of the now selected rows

selectionIndexes

public abstract int[] selectionIndexes()

Asks the plugin of the table view for the selected rows.

Returns:

an array with the indexes of the currently selected rows

editingColumnIndex

public abstract int editingColumnIndex()

Asks the plugin of the table view for the column currently being edited.

Returns:

the index of the currently edited column, -1 if not editing

editingRowIndex

public abstract int editingRowIndex()

Asks the plugin of the table view for the row currently being edited.

Returns:

the index of the currently edited row, -1 if not editing

numberOfColumns

public abstract int numberOfColumns()

Asks the plugin of the table view for the number of columns in the table.

Returns:

the number of columns

tableColumnAssociationForColumnAtIndex

public abstract EOTableColumnAssociation tableColumnAssociationForColumnAtIndex(int columnIndex)

Asks the plugin of the table view for the column association at a specific index.

Parameters:

columnIndex - the index of the column of interest

Returns:

the association for the column at this index

existingTableAssociation

public abstract EOTableAssociation existingTableAssociation()

Asks the plugin of the table view for an already existing table association.

Returns:

the table association (if existing, otherwise null)