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## org.statcato.spreadsheet
Class Spreadsheet

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JTable
                      org.statcato.spreadsheet.Spreadsheet

All Implemented Interfaces:
  java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, javax.swing.event.CellEditorListener, javax.swing.event.ListSelectionListener, javax.swing.event.RowSorterListener, javax.swing.event.TableColumnModelListener, javax.swing.event.TableModelListener, javax.swing.Scrollable, javax.swing.undo.StateEditable

    public class Spreadsheet

extends javax.swing.JTable
implements javax.swing.undo.StateEditable

A spreadsheet represented by a table of `Cell`s.

Since:
  1.0
Version:
  %I%, %G%
Author:
  Margaret Yau
See Also:
  `Cell`, `SpreadsheetModel`, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JTable
`javax.swing.JTable.AccessibleJTable, javax.swing.JTable.DropLocation, javax.swing.JTable.PrintMode`

Nested classes/interfaces inherited from class javax.swing.JComponent
`javax.swing.JComponent.AccessibleJComponent`

Nested classes/interfaces inherited from class java.awt.Container
`java.awt.Container.AccessibleAWTContainer`

Nested classes/interfaces inherited from class java.awt.Component
`java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy`

Field Summary
`protected static java.lang.String` | `MODEL`
`protected static java.lang.String` | `STATUS`
`protected javax.swing.undo.UndoableEditSupport` | `undoableEditSupport`

Fields inherited from class javax.swing.JTable
`AUTO_RESIZE_ALL_COLUMNS, AUTO_RESIZE_LAST_COLUMN, AUTO_RESIZE_NEXT_COLUMN, AUTO_RESIZE_OFF, AUTO_RESIZE_SUBSEQUENT_COLUMNS, autoCreateColumnsFromModel, autoResizeMode, cellEditor, cellSelectionEnabled, columnModel, dataModel, defaultEditorsByColumnClass, defaultRenderersByColumnClass, editingColumn, editingRow, editorComp, gridColor, preferredViewportSize, rowHeight, rowMargin, rowSelectionAllowed, selectionBackground, selectionForeground, selectionModel, showHorizontalLines, showVerticalLines, tableHeader`

Fields inherited from class javax.swing.JComponent
`accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW`

Fields inherited from class java.awt.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface javax.swing.undo.StateEditable
`RCSID`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`Spreadsheet(Statcato app)` Constructor, given the parent frame.
`Spreadsheet(Statcato app, int numRows, int numColumns)` Constructor, given the parent frame, the number of rows, and the number of columns.

Method Summary
`void` | `addUndoableEditListener(javax.swing.event.UndoableEditListener undoableEditListener)`
`void` | `clearAllCells()` Clear the contents in all cells without moving surrouding cells.
`void` | `clearSelectedCells()` Clear the contents in the selected cells without moving surrouding cells.
`void` | `closeFile()` Closes the file associated with this spreadsheet, if any.
`int[]` | `convertColumnLabelsToNumbers(java.lang.Object[] Labels)` Converts the given array of Objects representing column labels to column numbers.
`void` | `deleteSelectedCells()` Deletes the selected cells.
`void` | `display()` Displays debug data.
`javax.swing.table.TableCellRenderer` | `getCellRenderer(int row, int column)`
`boolean` | `getChangedStatus()` Returns the changed status.
`java.util.Vector<Cell>` | `getColumn(int col)` Returns the column at the given column number.
`int` | `getColumnNumber(java.lang.String str)` Returns the column number represented by the given column label.
`java.util.Vector<java.lang.Integer>` | `getColumnNumbers(java.lang.String str)` Returns a vector of column numbers represented by the given column label range (for example, c1-c30).
`int[]` | `getColumnNumbersArrayFromString(java.lang.String str)`
`java.util.Vector<java.lang.Integer>` | `getColumnNumbersFromString(java.lang.String str)` Returns a vector of column numbers represented by the given string, which contains column labels separated by spaces (e.g.
`int` | `getLastNonEmptyColumn()` Returns the column number of the last non-empty column.
`int` | `getLastNonEmptyColumn(int row)` Returns the column number of the last non-empty column in the given row.
`int` | `getLastNonEmptyRow()` Returns the row number of the last non-empty row.
`int` | `getLastRowNumber()` Returns the row number of the last row that contains data.
`java.util.Vector<Cell>` | `getRow(int row)` Returns the row at the given row number.
`int` | `getRowNumber(java.lang.String str)` Return the row number represented by the given row label.
`java.util.Vector<java.util.Vector<Cell>>` | `getRowsWithDataAtGivenColumns(int[] columns)` Returns the rows containing data at the given columns.
`Spreadsheet` | `getSubTable(int minRow, int minCol, int maxRow, int maxCol)` Get a subset of this spreadsheet specified by the given row and column range.
`Cell` | `getValueAt(int row, int col)` Returns the value at the given row and column numbers.
`void` | `insertCellAbove()` Inserts a blank cell above the selected cell.
`void` | `insertCellBelow()` Inserts a blank cell below the selected cell.
`void` | `insertColumn()` Inserts a blank column at the end of the spreadsheet.
`void` | `insertColumnLeft()` Inserts a blank column to the left of the selected cell.
`void` | `insertColumnRight()` Inserts a blank column to the right of the selected cell.
`void` | `insertRow()` Inserts a blank row at the end of the spreadsheet.
`void` | `insertRowAbove()` Inserts a blank row above the selected cell.
`void` | `insertRowBelow()` Inserts a blank row below the selected cell.
`int` | `parseColumnNumber(java.lang.String str)` Returns the column number embedded in the constructed string "Cx variable_name".
`void` | `populateAllColumnsList(javax.swing.JList List)` Populates the given list with all existing columns in this object
`void` | `populateColumnsList(javax.swing.JList List)` Populates the given list with columns in this object that contain data.
`void` | `populateComboBox(javax.swing.JComboBox Combo)` Populates the given combo box with columns in this object that contain data.
`void` | `populateMutableColumnsList(javax.swing.JList List)` Populates the given mutable list with columns in this object that contain data.
`void` | `removeUndoableEditListener(javax.swing.event.UndoableEditListener undoableEditListener)`
`void` | `restoreState(java.util.Hashtable state)`
`void` | `selectAllCells()` Selects all the cells.
`void` | `setCellColumn(int column, java.util.Vector<Cell> data)` Sets the column at the given column number to the given vector of Cells.
`void` | `setChangedStatus()` Sets the status to changed and adds an asterisk to the current tab table.
`void` | `setColumn(int column, java.util.Vector<java.lang.String> data)` Sets the column at the given column number to the given vector of strings.
`void` | `setData(java.lang.String data)` Puts data in the tab-delimited string in this spreadsheet.
`void` | `setData(java.util.Vector<java.util.Vector<java.lang.String>> data)` Puts data in the given vectors of vectors of strings in this spreadsheet.
`void` | `setDataUnchangedStatus(java.lang.String data)` Puts data in the tab-delimited string in this spreadsheet.
`void` | `setDefaultColumnWidths()` Sets the default widths of the table columns.
`void` | `setFile(java.io.File file)` Sets the file that saves the data in this spreadsheet.
`void` | `setRow(int row, java.util.Vector<java.lang.String> data)` Set the row at the given row number to the given vector of Strings.
`void` | `setStringValueAt(java.lang.String value, int row, int col)` Sets the value at the given row and column numbers to the given string.
`void` | `setUnchangedStatus()` Sets the status to unchanged and removes any existing asterisk in the current tab title.
`void` | `setValueAt(java.lang.Object value, int row, int col)`
`void` | `setVariableLabel(int column, java.lang.String name)` Sets the variable label for the given column to the given string if the label is empty.
`void` | `setVariablesRow(java.util.Vector<java.lang.String> data)` Sets the variables row to the given vector of Strings.
`void` | `storeState(java.util.Hashtable state)`
`java.io.File` | `writeToFile(javax.swing.JFrame frame, boolean saveAs)` Saves the contents of this spreadsheet to a file of one following formats: excel, csv, tab-delimited.

Methods inherited from class javax.swing.JTable
`addColumn, addColumnSelectionInterval, addNotify, addRowSelectionInterval, changeSelection, clearSelection, columnAdded, columnAtPoint, columnMarginChanged, columnMoved, columnRemoved, columnSelectionChanged, configureEnclosingScrollPane, convertColumnIndexToModel, convertColumnIndexToView, convertRowIndexToModel, convertRowIndexToView, createDefaultColumnModel, createDefaultColumnsFromModel, createDefaultDataModel, createDefaultEditors, createDefaultRenderers, createDefaultSelectionModel, createDefaultTableHeader, createScrollPaneForTable, doLayout, editCellAt, editCellAt, editingCanceled, editingStopped, getAccessibleContext, getAutoCreateColumnsFromModel, getAutoCreateRowSorter, getAutoResizeMode, getCellEditor, getCellEditor, getCellRect, getCellSelectionEnabled, getColumn, getColumnClass, getColumnCount, getColumnModel, getColumnName, getColumnSelectionAllowed, getDefaultEditor, getDefaultRenderer, getDragEnabled, getDropLocation, getDropMode, getEditingColumn, getEditingRow, getEditorComponent, getFillsViewportHeight, getGridColor, getIntercellSpacing, getModel, getPreferredScrollableViewportSize, getPrintable, getRowCount, getRowHeight, getRowHeight, getRowMargin, getRowSelectionAllowed, getRowSorter, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getScrollableTracksViewportWidth, getScrollableUnitIncrement, getSelectedColumn, getSelectedColumnCount, getSelectedColumns, getSelectedRow, getSelectedRowCount, getSelectedRows, getSelectionBackground, getSelectionForeground, getSelectionModel, getShowHorizontalLines, getShowVerticalLines, getSurrendersFocusOnKeystroke, getTableHeader, getToolTipText, getUI, getUIClassID, getUpdateSelectionOnSort, initializeLocalVars, isCellEditable, isCellSelected, isColumnSelected, isEditing, isRowSelected, moveColumn, paramString, prepareEditor, prepareRenderer, print, print, print, print, print, processKeyBinding, removeColumn, removeColumnSelectionInterval, removeEditor, removeNotify, removeRowSelectionInterval, resizeAndRepaint, rowAtPoint, selectAll, setAutoCreateColumnsFromModel, setAutoCreateRowSorter, setAutoResizeMode, setCellEditor, setCellSelectionEnabled, setColumnModel, setColumnSelectionAllowed, setColumnSelectionInterval, setDefaultEditor, setDefaultRenderer, setDragEnabled, setDropMode, setEditingColumn, setEditingRow, setFillsViewportHeight, setGridColor, setIntercellSpacing, setModel, setPreferredScrollableViewportSize, setRowHeight, setRowHeight, setRowMargin, setRowSelectionAllowed, setRowSelectionInterval, setRowSorter, setSelectionBackground, setSelectionForeground, setSelectionMode, setSelectionModel, setShowGrid, setShowHorizontalLines, setShowVerticalLines, setSurrendersFocusOnKeystroke, setTableHeader, setUI, setUpdateSelectionOnSort, sizeColumnsToFit, sizeColumnsToFit, sorterChanged, tableChanged, unconfigureEnclosingScrollPane, updateUI, valueChanged`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### undoableEditSupport

    protected javax.swing.undo.UndoableEditSupport undoableEditSupport

### MODEL

    protected static final java.lang.String MODEL

See Also:
  Constant Field Values

### STATUS

    protected static final java.lang.String STATUS

See Also:
  Constant Field Values

Constructor Detail

### Spreadsheet

    public Spreadsheet(Statcato app)

  Constructor, given the parent frame.

  Parameters:
    `app` - parent frame

### Spreadsheet

    public Spreadsheet(Statcato app,
                       int numRows,
                       int numColumns)

  Constructor, given the parent frame, the number of rows, and the number of columns.

  Parameters:
    `app` - parent frame
    `numRows` - number of rows
    `numColumns` - number of columns

Method Detail

### addUndoableEditListener

    public void addUndoableEditListener(javax.swing.event.UndoableEditListener undoableEditListener)

### removeUndoableEditListener

    public void removeUndoableEditListener(javax.swing.event.UndoableEditListener undoableEditListener)

### storeState

    public void storeState(java.util.Hashtable state)

  Specified by:
    `storeState` in interface `javax.swing.undo.StateEditable`

### restoreState

    public void restoreState(java.util.Hashtable state)

  Specified by:
    `restoreState` in interface `javax.swing.undo.StateEditable`

### setChangedStatus

    public void setChangedStatus()

  Sets the status to changed and adds an asterisk to the current tab table.

### setUnchangedStatus

    public void setUnchangedStatus()

  Sets the status to unchanged and removes any existing asterisk in the current tab title.

### getChangedStatus

    public boolean getChangedStatus()

  Returns the changed status.

  Returns:
    changed status

### closeFile

    public void closeFile()

  Closes the file associated with this spreadsheet, if any.

### setDefaultColumnWidths

    public void setDefaultColumnWidths()

  Sets the default widths of the table columns.

### getCellRenderer

    public javax.swing.table.TableCellRenderer getCellRenderer(int row,
                                                               int column)

  Overrides:
    `getCellRenderer` in class `javax.swing.JTable`

### populateColumnsList

    public void populateColumnsList(javax.swing.JList List)

  Populates the given list with columns in this object that contain data.

  Parameters:
    `List` - list to which columns will be added

### populateMutableColumnsList

    public void populateMutableColumnsList(javax.swing.JList List)

  Populates the given mutable list with columns in this object that contain data.

  Parameters:
    `List` - mutable list to which columns will be added

### populateAllColumnsList

    public void populateAllColumnsList(javax.swing.JList List)

  Populates the given list with all existing columns in this object

  Parameters:
    `List` - list to which columns will be added

### populateComboBox

    public void populateComboBox(javax.swing.JComboBox Combo)

  Populates the given combo box with columns in this object that contain data.

  Parameters:
    `Combo` - combo box to which columns are added

### parseColumnNumber

    public int parseColumnNumber(java.lang.String str)

  Returns the column number embedded in the constructed string "Cx variable_name".

  Parameters:
    `str` - string to be parsed
  Returns:
    integer (column number)

### getColumn

    public java.util.Vector<Cell> getColumn(int col)

  Returns the column at the given column number.

  Parameters:
    `col` - column number
  Returns:
    vector of `Cell` (column)

### getRow

    public java.util.Vector<Cell> getRow(int row)

  Returns the row at the given row number.

  Parameters:
    `row` - row number
  Returns:
    vector of `Cell` (row)

### getColumnNumber

    public int getColumnNumber(java.lang.String str)

  Returns the column number represented by the given column label.

  Parameters:
    `str` - string representing the column label
  Returns:
    column number

### getColumnNumbers

    public java.util.Vector<java.lang.Integer> getColumnNumbers(java.lang.String str)

  Returns a vector of column numbers represented by the given column label range (for example, c1-c30).

  Parameters:
    `str` - a string that has a single column label or one that represents a range of columns (e.g. c1-c30)
  Returns:
    a vector of Integers (column numbers)

### getColumnNumbersFromString

    public java.util.Vector<java.lang.Integer> getColumnNumbersFromString(java.lang.String str)

  Returns a vector of column numbers represented by the given string, which contains column labels separated by spaces (e.g. C1 C2-30) A continuous range of columns is specified by Ca-b, where a is the beginning column number and b is the end column number.

  Parameters:
    `str` - string containing column label delimited by spaces
  Returns:
    a vector of column numbers

### getColumnNumbersArrayFromString

    public int[] getColumnNumbersArrayFromString(java.lang.String str)

### getRowNumber

    public int getRowNumber(java.lang.String str)

  Return the row number represented by the given row label.

  Parameters:
    `str` - string representating the row label
  Returns:
    row number

### getValueAt

    public Cell getValueAt(int row,
                           int col)

  Returns the value at the given row and column numbers.

  Overrides:
    `getValueAt` in class `javax.swing.JTable`
  Parameters:
    `row` - row number
    `col` - column number
  Returns:
    cell at the given row and column

### getLastRowNumber

    public int getLastRowNumber()

  Returns the row number of the last row that contains data.

  Returns:
    row number of the last non-empty row

### setColumn

    public void setColumn(int column,
                          java.util.Vector<java.lang.String> data)

  Sets the column at the given column number to the given vector of strings.

  Parameters:
    `column` - column number
    `data` - vector of strings

### setCellColumn

    public void setCellColumn(int column,
                              java.util.Vector<Cell> data)

  Sets the column at the given column number to the given vector of Cells.

  Parameters:
    `column` - column number
    `data` - vector of Cells

### setRow

    public void setRow(int row,
                       java.util.Vector<java.lang.String> data)

  Set the row at the given row number to the given vector of Strings.

  Parameters:
    `row` - row number
    `data` - vector of Strings

### setVariablesRow

    public void setVariablesRow(java.util.Vector<java.lang.String> data)

  Sets the variables row to the given vector of Strings.

  Parameters:
    `data` - vector of Strings

### setVariableLabel

    public void setVariableLabel(int column,
                                 java.lang.String name)

  Sets the variable label for the given column to the given string if the label is empty.

  Parameters:
    `column` - column number
    `name` - variable label

### convertColumnLabelsToNumbers

    public int[] convertColumnLabelsToNumbers(java.lang.Object[] Labels)

  Converts the given array of Objects representing column labels to column numbers.

  Parameters:
    `Labels` - array of Objects representing column labels
  Returns:
    array of integer representing column numbers

### getRowsWithDataAtGivenColumns

    public java.util.Vector<java.util.Vector<Cell>> getRowsWithDataAtGivenColumns(int[] columns)

  Returns the rows containing data at the given columns.

  Parameters:
    `columns` - array of integers (column numbers)
  Returns:
    vector of vector of Cells representing non-empty rows

### getLastNonEmptyRow

    public int getLastNonEmptyRow()

  Returns the row number of the last non-empty row.

  Returns:
    integer (row number of the last non-empty row)

### getLastNonEmptyColumn

    public int getLastNonEmptyColumn(int row)

  Returns the column number of the last non-empty column in the given row.

  Returns:
    integer (column number of the last non-empty column)

### getLastNonEmptyColumn

    public int getLastNonEmptyColumn()

  Returns the column number of the last non-empty column.

  Returns:
    integer (column number of the last non-empty column)

### setData

    public void setData(java.lang.String data)

  Puts data in the tab-delimited string in this spreadsheet. Sets the status to changed.

  Parameters:
    `data` - tab-delimited string

### setValueAt

    public void setValueAt(java.lang.Object value,
                           int row,
                           int col)

  Overrides:
    `setValueAt` in class `javax.swing.JTable`

### setStringValueAt

    public void setStringValueAt(java.lang.String value,
                                 int row,
                                 int col)

  Sets the value at the given row and column numbers to the given string.

  Parameters:
    `value` - string
    `row` - row number
    `col` - column number

### setDataUnchangedStatus

    public void setDataUnchangedStatus(java.lang.String data)

  Puts data in the tab-delimited string in this spreadsheet. Does not set status to changed.

  Parameters:
    `data` - tab-delimited string

### setData

    public void setData(java.util.Vector<java.util.Vector<java.lang.String>> data)

  Puts data in the given vectors of vectors of strings in this spreadsheet.

  Parameters:
    `data` - vectors of vectors of strings

### getSubTable

    public Spreadsheet getSubTable(int minRow,
                                   int minCol,
                                   int maxRow,
                                   int maxCol)

  Get a subset of this spreadsheet specified by the given row and column range.

  Parameters:
    `minRow` - minimum row number
    `minCol` - minimum column number
    `maxRow` - maximum row number
    `maxCol` - maximum column number
  Returns:
    a spreadsheet containing a subset of data

### display

    public void display()

  Displays debug data.

### writeToFile

    public java.io.File writeToFile(javax.swing.JFrame frame,
                                    boolean saveAs)

  Saves the contents of this spreadsheet to a file of one following formats: excel, csv, tab-delimited. If this spreadsheet has not been saved previously or save as flag is true, opens a file chooser to allow user select a file location.

  Parameters:
    `frame` - parent frame
    `saveAs` - whether to save this spreadsheet as
  Returns:
    file containing saved contents

### setFile

    public void setFile(java.io.File file)

  Sets the file that saves the data in this spreadsheet.

  Parameters:
    `file` -

### clearSelectedCells

    public void clearSelectedCells()

  Clear the contents in the selected cells without moving surrouding cells.

### clearAllCells

    public void clearAllCells()

  Clear the contents in all cells without moving surrouding cells.

### deleteSelectedCells

    public void deleteSelectedCells()

  Deletes the selected cells.

### insertRow

    public void insertRow()

  Inserts a blank row at the end of the spreadsheet.

### insertRowAbove

    public void insertRowAbove()

  Inserts a blank row above the selected cell.

### insertRowBelow

    public void insertRowBelow()

  Inserts a blank row below the selected cell.

### insertColumn

    public void insertColumn()

  Inserts a blank column at the end of the spreadsheet.

### insertColumnLeft

    public void insertColumnLeft()

  Inserts a blank column to the left of the selected cell.

### insertColumnRight

    public void insertColumnRight()

  Inserts a blank column to the right of the selected cell.

### insertCellAbove

    public void insertCellAbove()

  Inserts a blank cell above the selected cell.

### insertCellBelow

    public void insertCellBelow()

  Inserts a blank cell below the selected cell.

### selectAllCells

    public void selectAllCells()

  Selects all the cells.

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