Class TableView.TableViewSelectionModel<S>

java.lang.Object

javafx.scene.control.SelectionModel<S>

javafx.scene.control.MultipleSelectionModel<S>

javafx.scene.control.TableSelectionModel<S>

javafx.scene.control.TableView.TableViewSelectionModel<S>

Type Parameters:: S - the type of the item contained within the TableView

Enclosing class:: TableView<S>

public abstract static class TableView.TableViewSelectionModel<S> extends TableSelectionModel<S>

A simple extension of the SelectionModel abstract class to allow for special support for TableView controls.

Since:: JavaFX 2.0

Property Summary

Properties declared in class javafx.scene.control.TableSelectionModel

cellSelectionEnabled

Properties declared in class javafx.scene.control.MultipleSelectionModel

selectionMode

Properties declared in class javafx.scene.control.SelectionModel

selectedIndex, selectedItem

Constructor Summary

Constructor	Description
`TableViewSelectionModel(TableView<S> tableView)`	Builds a default TableViewSelectionModel instance with the provided TableView.

Method Summary

Modifier and Type	Method	Description
`void`	`clearAndSelect(int row)`	A method that clears any selection prior to setting the selection to the given index.
`abstract void`	`clearAndSelect(int row, TableColumn<S,?> column)`	Clears all selection, and then selects the cell at the given row/column intersection.
`void`	`clearAndSelect(int row, TableColumnBase<S,?> column)`	Clears all selection, and then selects the cell at the given row/column intersection.
`void`	`clearSelection()`	Clears the selection model of all selected indices.
`void`	`clearSelection(int index)`	This method will clear the selection of the item in the given index.
`abstract void`	`clearSelection(int row, TableColumn<S,?> column)`	Removes selection from the specified row/column position (in view indexes).
`void`	`clearSelection(int row, TableColumnBase<S,?> column)`	Removes selection from the specified row/column position (in view indexes).
`void`	`focus(int row)`	Focuses the item at the given index.
`int`	`getFocusedIndex()`	Gets the index of the focused item.
`protected int`	`getItemCount()`	Returns the number of items in the data model that underpins the control.
`protected S`	`getModelItem(int index)`	Returns the item at the given index.
`abstract ObservableList<TablePosition>`	`getSelectedCells()`	A read-only ObservableList representing the currently selected cells in this TableView.
`ObservableList<Integer>`	`getSelectedIndices()`	Returns a read-only ObservableList of all selected indices.
`ObservableList<S>`	`getSelectedItems()`	Returns a read-only ObservableList of all selected items.
`protected List<S>`	`getTableModel()`	Convenience method that returns getTableView().getItems().
`TableView<S>`	`getTableView()`	Returns the TableView instance that this selection model is installed in.
`boolean`	`isEmpty()`	This method is available to test whether there are any selected indices/items.
`boolean`	`isSelected(int index)`	This method tests whether the given index is currently selected in this SelectionModel.
`abstract boolean`	`isSelected(int row, TableColumn<S,?> column)`	Convenience function which tests whether the given row and column index is currently selected in this table instance.
`boolean`	`isSelected(int row, TableColumnBase<S,?> column)`	Convenience function which tests whether the given row and column index is currently selected in this table instance.
`void`	`select(int row)`	This will select the given index in the selection model, assuming the index is within the valid range (i.e.
`abstract void`	`select(int row, TableColumn<S,?> column)`	Selects the cell at the given row/column intersection.
`void`	`select(int row, TableColumnBase<S,?> column)`	Selects the cell at the given row/column intersection.
`void`	`select(S obj)`	This method will attempt to select the index that contains the given object.
`void`	`selectAll()`	Convenience method to select all available indices.
`void`	`selectFirst()`	This method will attempt to select the first index in the control.
`void`	`selectIndices(int row, int... rows)`	This method allows for one or more selections to be set at the same time.
`void`	`selectLast()`	This method will attempt to select the last index in the control.
`void`	`selectNext()`	This method will attempt to select the index directly after the current focused index.
`void`	`selectPrevious()`	This method will attempt to select the index directly before the current focused index.
`void`	`selectRange(int minRow, TableColumnBase<S,?> minColumn, int maxRow, TableColumnBase<S,?> maxColumn)`	Selects the cells in the range (minRow, minColumn) to (maxRow, maxColumn), inclusive.

Methods declared in class javafx.scene.control.TableSelectionModel

cellSelectionEnabledProperty, isCellSelectionEnabled, selectAboveCell, selectBelowCell, selectLeftCell, selectRightCell, setCellSelectionEnabled

Methods declared in class javafx.scene.control.MultipleSelectionModel

getSelectionMode, selectionModeProperty, selectRange, setSelectionMode

Methods declared in class javafx.scene.control.SelectionModel

getSelectedIndex, getSelectedItem, selectedIndexProperty, selectedItemProperty, setSelectedIndex, setSelectedItem

Methods declared in class java.lang.Object

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

Constructor Details

TableViewSelectionModel

public TableViewSelectionModel(TableView<S> tableView)

Builds a default TableViewSelectionModel instance with the provided TableView.

Parameters:: tableView - The TableView upon which this selection model should operate.
Throws:: NullPointerException - TableView can not be null.

Method Details

getSelectedCells

public abstract ObservableList<TablePosition> getSelectedCells()

A read-only ObservableList representing the currently selected cells in this TableView. Rather than directly modify this list, please use the other methods provided in the TableViewSelectionModel.

Returns:: a read-only ObservableList representing the currently selected cells in this TableView

isSelected

public boolean isSelected(int row, TableColumnBase<S,?> column)

Convenience function which tests whether the given row and column index is currently selected in this table instance. If the table control is in its 'cell selection' mode (where individual cells can be selected, rather than entire rows), and if the column argument is null, this method should return true only if all cells in the given row are selected.

Specified by:: isSelected in class TableSelectionModel<S>
Parameters:: row - the row; column - the column
Returns:: true if the given row and column index is currently selected in this table instance

isSelected

public abstract boolean isSelected(int row, TableColumn<S,?> column)

Convenience function which tests whether the given row and column index is currently selected in this table instance.

Parameters:: row - the row; column - the column
Returns:: true if row and column index is currently selected

select

public void select(int row, TableColumnBase<S,?> column)

Selects the cell at the given row/column intersection. If the table control is in its 'cell selection' mode (where individual cells can be selected, rather than entire rows), and if the column argument is null, this method should select all cells in the given row.

Specified by:: select in class TableSelectionModel<S>
Parameters:: row - the row; column - the column

select

public abstract void select(int row, TableColumn<S,?> column)

Selects the cell at the given row/column intersection.

Parameters:: row - the row; column - the column

clearAndSelect

public void clearAndSelect(int row, TableColumnBase<S,?> column)

Clears all selection, and then selects the cell at the given row/column intersection. If the table control is in its 'cell selection' mode (where individual cells can be selected, rather than entire rows), and if the column argument is null, this method should select all cells in the given row.

Specified by:: clearAndSelect in class TableSelectionModel<S>
Parameters:: row - the row; column - the column

clearAndSelect

public abstract void clearAndSelect(int row, TableColumn<S,?> column)

Clears all selection, and then selects the cell at the given row/column intersection.

Parameters:: row - the row; column - the column

clearSelection

public void clearSelection(int row, TableColumnBase<S,?> column)

Removes selection from the specified row/column position (in view indexes). If this particular cell (or row if the column value is -1) is not selected, nothing happens. If the table control is in its 'cell selection' mode (where individual cells can be selected, rather than entire rows), and if the column argument is null, this method should deselect all cells in the given row.

Specified by:: clearSelection in class TableSelectionModel<S>
Parameters:: row - the row; column - the column

clearSelection

public abstract void clearSelection(int row, TableColumn<S,?> column)

Removes selection from the specified row/column position (in view indexes). If this particular cell (or row if the column value is -1) is not selected, nothing happens.

Parameters:: row - the row; column - the column

selectRange

public void selectRange(int minRow, TableColumnBase<S,?> minColumn, int maxRow, TableColumnBase<S,?> maxColumn)

Selects the cells in the range (minRow, minColumn) to (maxRow, maxColumn), inclusive.

Specified by:: selectRange in class TableSelectionModel<S>
Parameters:: minRow - the minRow; minColumn - the minColumn; maxRow - the maxRow; maxColumn - the maxColumn

getTableView

public TableView<S> getTableView()

Returns the TableView instance that this selection model is installed in.

Returns:: the TableView

getTableModel

protected List<S> getTableModel()

Convenience method that returns getTableView().getItems().

Returns:: The items list of the current TableView.

getModelItem

protected S getModelItem(int index)

Returns the item at the given index. An example using ListView would be listView.getItems().get(index).

Parameters:: index - The index of the item that is requested from the underlying data model.
Returns:: Returns null if the index is out of bounds, or an element of type T that is related to the given index.

getItemCount

protected int getItemCount()

Returns the number of items in the data model that underpins the control. An example would be that a ListView selection model would likely return listView.getItems().size(). The valid range of selectable indices is between 0 and whatever is returned by this method.

Returns:: the number of items in the data model that underpins the control

focus

public void focus(int row)

Focuses the item at the given index.

Parameters:: row - the index of the item to be focused

getFocusedIndex

public int getFocusedIndex()

Gets the index of the focused item.

Returns:: the index of the focused item

getSelectedIndices

public ObservableList<Integer> getSelectedIndices()

Description copied from class: MultipleSelectionModel

Returns a read-only ObservableList of all selected indices. The ObservableList will be updated by the selection model to always reflect changes in selection. This can be observed by adding a ListChangeListener to the returned ObservableList.

Specified by:: getSelectedIndices in class MultipleSelectionModel<T>
Returns:: the list of selected indices

getSelectedItems

public ObservableList<S> getSelectedItems()

Description copied from class: MultipleSelectionModel

Returns a read-only ObservableList of all selected items. The ObservableList will be updated further by the selection model to always reflect changes in selection. This can be observed by adding a ListChangeListener to the returned ObservableList.

Specified by:: getSelectedItems in class MultipleSelectionModel<T>
Returns:: the list of selected items

clearAndSelect

public void clearAndSelect(int row)

Description copied from class: SelectionModel

A method that clears any selection prior to setting the selection to the given index. The purpose of this method is to avoid having to call SelectionModel.clearSelection() first, meaning that observers that are listening to the selected index property will not see the selected index being temporarily set to -1.

Specified by:: clearAndSelect in class SelectionModel<T>
Parameters:: row - The index that should be the only selected index in this selection model.

select

public void select(int row)

Description copied from class: SelectionModel

This will select the given index in the selection model, assuming the index is within the valid range (i.e. greater than or equal to zero, and less than the total number of items in the underlying data model).

If there is already one or more indices selected in this model, calling this method will not clear these selections - to do so it is necessary to first call SelectionModel.clearSelection().

If the index is already selected, it will not be selected again, or unselected. However, if multiple selection is implemented, then calling select on an already selected index will have the effect of making the index the new selected index (as returned by SelectionModel.getSelectedIndex().

Specified by:: select in class SelectionModel<T>
Parameters:: row - The position of the item to select in the selection model.

select

public void select(S obj)

Description copied from class: SelectionModel

This method will attempt to select the index that contains the given object. It will iterate through the underlying data model until it finds an item whose value is equal to the given object. At this point it will stop iterating - this means that this method will not select multiple indices.

Specified by:: select in class SelectionModel<T>
Parameters:: obj - The object to attempt to select in the underlying data model.

selectIndices

public void selectIndices(int row, int... rows)

Description copied from class: MultipleSelectionModel

This method allows for one or more selections to be set at the same time. It will ignore any value that is not within the valid range (i.e. greater than or equal to zero, and less than the total number of items in the underlying data model). Any duplication of indices will be ignored.

If there is already one or more indices selected in this model, calling this method will not clear these selections - to do so it is necessary to first call clearSelection.

The last valid value given will become the selected index / selected item.

Specified by:: selectIndices in class MultipleSelectionModel<T>
Parameters:: row - the first index to select; rows - zero or more additional indices to select

selectAll

public void selectAll()

Description copied from class: MultipleSelectionModel

Convenience method to select all available indices.

Specified by:: selectAll in class MultipleSelectionModel<T>

selectFirst

public void selectFirst()

Description copied from class: MultipleSelectionModel

This method will attempt to select the first index in the control. If clearSelection is not called first, this method will have the result of selecting the first index, whilst retaining the selection of any other currently selected indices.

If the first index is already selected, calling this method will have no result, and no selection event will take place.

Specified by:: selectFirst in class MultipleSelectionModel<T>

selectLast

public void selectLast()

Description copied from class: MultipleSelectionModel

This method will attempt to select the last index in the control. If clearSelection is not called first, this method will have the result of selecting the last index, whilst retaining the selection of any other currently selected indices.

If the last index is already selected, calling this method will have no result, and no selection event will take place.

Specified by:: selectLast in class MultipleSelectionModel<T>

clearSelection

public void clearSelection(int index)

Description copied from class: SelectionModel

This method will clear the selection of the item in the given index. If the given index is not selected, nothing will happen.

Specified by:: clearSelection in class SelectionModel<T>
Parameters:: index - The selected item to deselect.

clearSelection

public void clearSelection()

Description copied from class: SelectionModel

Clears the selection model of all selected indices.

Specified by:: clearSelection in class SelectionModel<T>

isSelected

public boolean isSelected(int index)

Description copied from class: SelectionModel

This method tests whether the given index is currently selected in this SelectionModel.

Specified by:: isSelected in class SelectionModel<T>
Parameters:: index - The index to check as to whether it is currently selected or not.
Returns:: True if the given index is selected, false otherwise.

isEmpty

public boolean isEmpty()

Description copied from class: SelectionModel

This method is available to test whether there are any selected indices/items. It will return true if there are no selected items, and false if there are.

Specified by:: isEmpty in class SelectionModel<T>
Returns:: Will return true if there are no selected items, and false if there are.

selectPrevious

public void selectPrevious()

Description copied from class: SelectionModel

This method will attempt to select the index directly before the current focused index. If clearSelection is not called first, this method will have the result of selecting the previous index, whilst retaining the selection of any other currently selected indices.

Calling this method will only succeed if:

There is currently a lead/focused index.
The lead/focus index is not the first index in the control.
The previous index is not already selected.

If any of these conditions is false, no selection event will take place.

Specified by:: selectPrevious in class SelectionModel<T>

selectNext

public void selectNext()

Description copied from class: SelectionModel

This method will attempt to select the index directly after the current focused index. If clearSelection is not called first, this method will have the result of selecting the next index, whilst retaining the selection of any other currently selected indices.

Calling this method will only succeed if:

There is currently a lead/focused index.
The lead/focus index is not the last index in the control.
The next index is not already selected.

If any of these conditions is false, no selection event will take place.

Specified by:: selectNext in class SelectionModel<T>

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