Package com.vaadin.addon.spreadsheet.client

Class SelectionHandler

java.lang.Object

com.vaadin.addon.spreadsheet.client.SelectionHandler

public class SelectionHandler
extends Object

Class that handles finer details of cell selection inside the Spreadsheet.

Author:

Thomas Mattsson / Vaadin Ltd.

Constructor Summary

Constructors

Constructor	Description
SelectionHandler(SpreadsheetWidget spreadsheet, SheetWidget widget)

Method Summary

Modifier and Type	Method	Description
protected void	checkNewSelectionInMergedRegion(int col, int row)	Same as checkSelectionInMergedRegion(int, int), but discards old selection in favor of the given cell.
protected void	checkSelectionInMergedRegion(int col, int row)	Same as checkNewSelectionInMergedRegion(int, int), but retains old selection in addition to the new cell.
void	clearBeforeMergeCells()
protected MergedRegion	findDecreasingSelection(int topRow, int bottomRow, int leftColumn, int rightColumn)	Goes through the given selection and checks that the cells on the edges of the selection are not in "the beginning / middle / end" of a merged cell.
void	increaseHorizontalSelection(boolean right)
void	increaseVerticalSelection(boolean down)
void	moveSelectionDown(boolean discardSelection)
void	moveSelectionLeft(boolean discardSelection)
void	moveSelectionRight(boolean discardSelection)
void	moveSelectionUp(boolean discardSelection)
void	newSelectedCellSet()
protected void	onCellSelectedWithKeyboard(int column, int row, String value, MergedRegion region)
void	selectCell(String name, int col, int row, String value, boolean formula, boolean locked, boolean initialSelection)
void	selectCellRange(String name, int selectedCellColumn, int selectedCellRow, int firstColumn, int lastColumn, int firstRow, int lastRow, boolean scroll)
void	setColBeforeMergedCell(int c)
void	setRowBeforeMergedCell(int r)

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectionHandler

public SelectionHandler(SpreadsheetWidget spreadsheet,
                        SheetWidget widget)

Method Detail

moveSelectionDown

public void moveSelectionDown(boolean discardSelection)

selectCellRange

public void selectCellRange(String name,
                            int selectedCellColumn,
                            int selectedCellRow,
                            int firstColumn,
                            int lastColumn,
                            int firstRow,
                            int lastRow,
                            boolean scroll)

selectCell

public void selectCell(String name,
                       int col,
                       int row,
                       String value,
                       boolean formula,
                       boolean locked,
                       boolean initialSelection)

newSelectedCellSet

public void newSelectedCellSet()

moveSelectionUp

public void moveSelectionUp(boolean discardSelection)

onCellSelectedWithKeyboard

protected void onCellSelectedWithKeyboard(int column,
                                          int row,
                                          String value,
                                          MergedRegion region)

increaseHorizontalSelection

public void increaseHorizontalSelection(boolean right)

findDecreasingSelection

protected MergedRegion findDecreasingSelection(int topRow,
                                               int bottomRow,
                                               int leftColumn,
                                               int rightColumn)

Goes through the given selection and checks that the cells on the edges of the selection are not in "the beginning / middle / end" of a merged cell. Returns the correct decreased selection, after taking the merged cells into account. Parameters 1-based.

Parameters:

topRow -

bottomRow -

leftColumn -

rightColumn -

Returns:

merged region

increaseVerticalSelection

public void increaseVerticalSelection(boolean down)

moveSelectionRight

public void moveSelectionRight(boolean discardSelection)

moveSelectionLeft

public void moveSelectionLeft(boolean discardSelection)

checkNewSelectionInMergedRegion

protected void checkNewSelectionInMergedRegion(int col,
                                               int row)

Same as checkSelectionInMergedRegion(int, int), but discards old selection in favor of the given cell.

Parameters:

col -

row -

checkSelectionInMergedRegion

protected void checkSelectionInMergedRegion(int col,
                                            int row)

Same as checkNewSelectionInMergedRegion(int, int), but retains old selection in addition to the new cell.

clearBeforeMergeCells

public void clearBeforeMergeCells()

setColBeforeMergedCell

public void setColBeforeMergedCell(int c)

setRowBeforeMergedCell

public void setRowBeforeMergedCell(int r)