org.uberfire.ext.wires.core.grids.client.widget.grid.selections.impl

Class BaseCellSelectionManager

java.lang.Object

org.uberfire.ext.wires.core.grids.client.widget.grid.selections.impl.BaseCellSelectionManager

All Implemented Interfaces:

CellSelectionManager

public class BaseCellSelectionManager
extends Object
implements CellSelectionManager

Manager for Cell selection operations.

Constructor Summary

Constructors

Constructor and Description
BaseCellSelectionManager(GridWidget gridWidget)

Method Summary

Modifier and Type	Method and Description
boolean	adjustSelection(SelectionExtension direction, boolean isShiftKeyDown) Adjusts an existing selection, based on the selection origin, depending on the provided parameters.
protected void	doEdit(GridBodyCellEditContext context)
boolean	selectCell(int uiRowIndex, int uiColumnIndex, boolean isShiftKeyDown, boolean isControlKeyDown) Handles selection of a cell by delegating selection to a @{link CellSelectionStrategy} associated with the cell being selected.
boolean	selectCell(com.ait.lienzo.client.core.types.Point2D rp, boolean isShiftKeyDown, boolean isControlKeyDown) Handles selection of a cell by delegating selection to a @{link CellSelectionStrategy} associated with the cell being selected.
boolean	selectHeaderCell(int uiHeaderRowIndex, int uiHeaderColumnIndex, boolean isShiftKeyDown, boolean isControlKeyDown) Handles selection of a cell in the Header by delegating selection to a @{link HeaderCellSelectionStrategy} associated with the header cell being selected.
boolean	selectHeaderCell(com.ait.lienzo.client.core.types.Point2D rp, boolean isShiftKeyDown, boolean isControlKeyDown) Handles selection of a cell in the Header by delegating selection to a @{link HeaderCellSelectionStrategy} associated with the header cell being selected.
boolean	startEditingCell(int uiRowIndex, int uiColumnIndex) Handles initiation of editing a cell.
boolean	startEditingCell(com.ait.lienzo.client.core.types.Point2D rp) Handles initiation of editing a cell.

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseCellSelectionManager

public BaseCellSelectionManager(GridWidget gridWidget)

Method Detail

selectCell

public boolean selectCell(com.ait.lienzo.client.core.types.Point2D rp,
                          boolean isShiftKeyDown,
                          boolean isControlKeyDown)

Description copied from interface: CellSelectionManager

Handles selection of a cell by delegating selection to a @{link CellSelectionStrategy} associated with the cell being selected. Different strategies may select an entire row, a range depending upon shift/control key states etc.

Specified by:

selectCell in interface CellSelectionManager

Parameters:

rp - Canvas coordinate relative to the GridWidget.

isShiftKeyDown - True if the shift key is pressed.

isControlKeyDown - True if the control key is pressed.

Returns:

true if the selections have changed.

selectCell

public boolean selectCell(int uiRowIndex,
                          int uiColumnIndex,
                          boolean isShiftKeyDown,
                          boolean isControlKeyDown)

Description copied from interface: CellSelectionManager

Handles selection of a cell by delegating selection to a @{link CellSelectionStrategy} associated with the cell being selected. Different strategies may select an entire row, a range depending upon shift/control key states etc.

Specified by:

selectCell in interface CellSelectionManager

Parameters:

uiRowIndex - Index of row as seen in the UI

uiColumnIndex - Index of the column as seen in the UI

isShiftKeyDown - True if the shift key is pressed.

isControlKeyDown - True if the control key is pressed.

Returns:

true if the selections have changed.

selectHeaderCell

public boolean selectHeaderCell(com.ait.lienzo.client.core.types.Point2D rp,
                                boolean isShiftKeyDown,
                                boolean isControlKeyDown)

Description copied from interface: CellSelectionManager

Handles selection of a cell in the Header by delegating selection to a @{link HeaderCellSelectionStrategy} associated with the header cell being selected. Different strategies may select an entire column, or a range depending upon shift/control key states etc.

Specified by:

selectHeaderCell in interface CellSelectionManager

Parameters:

rp - Canvas coordinate relative to the GridWidget.

isShiftKeyDown - True if the shift key is pressed.

isControlKeyDown - True if the control key is pressed.

Returns:

true if the selections have changed.

selectHeaderCell

public boolean selectHeaderCell(int uiHeaderRowIndex,
                                int uiHeaderColumnIndex,
                                boolean isShiftKeyDown,
                                boolean isControlKeyDown)

Description copied from interface: CellSelectionManager

Handles selection of a cell in the Header by delegating selection to a @{link HeaderCellSelectionStrategy} associated with the header cell being selected. Different strategies may select an entire column, or a range depending upon shift/control key states etc.

Specified by:

selectHeaderCell in interface CellSelectionManager

Parameters:

uiHeaderRowIndex - Index of row as seen in the UI. 0-based index. Top row is 0.

uiHeaderColumnIndex - Index of the column as seen in the UI. 0-based index. Leftmost column is 0.

isShiftKeyDown - True if the shift key is pressed.

isControlKeyDown - True if the control key is pressed.

Returns:

true if the selections have changed.

adjustSelection

public boolean adjustSelection(SelectionExtension direction,
                               boolean isShiftKeyDown)

Description copied from interface: CellSelectionManager

Adjusts an existing selection, based on the selection origin, depending on the provided parameters. If the shift key is down the current selected range is extended in the required direction; otherwise the current origin is moved in the required direction.

Specified by:

adjustSelection in interface CellSelectionManager

Parameters:

direction - The proposed direction in which to extend the selection.

isShiftKeyDown - true if the shift key is pressed.

Returns:

true if the selection changed, otherwise false.

startEditingCell

public boolean startEditingCell(com.ait.lienzo.client.core.types.Point2D rp)

Description copied from interface: CellSelectionManager

Handles initiation of editing a cell. If the provided Canvas coordinate does not resolve to a cell in the Grid no operation if performed.

Specified by:

startEditingCell in interface CellSelectionManager

Parameters:

rp - Canvas coordinate relative to the GridWidget.

Returns:

true if an edit operation was successfully initiated.

startEditingCell

public boolean startEditingCell(int uiRowIndex,
                                int uiColumnIndex)

Description copied from interface: CellSelectionManager

Handles initiation of editing a cell. If the provided Canvas coordinate does not resolve to a cell in the Grid no operation if performed.

Specified by:

startEditingCell in interface CellSelectionManager

Parameters:

uiRowIndex - Row index of cell being edited.

uiColumnIndex - Column index of cell being edited.

Returns:

true if an edit operation was successfully initiated.

doEdit

protected void doEdit(GridBodyCellEditContext context)