com.google.gwt.user.client.ui
Class Grid

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.google.gwt.user.client.ui.Panel
              com.google.gwt.user.client.ui.HTMLTable
                  com.google.gwt.user.client.ui.Grid

All Implemented Interfaces:

HasClickHandlers, HasHandlers, EventListener, HasWidgets, SourcesTableEvents, java.lang.Iterable<Widget>

public class Grid
extends HTMLTable

A rectangular grid that can contain text, html, or a child Widget within its cells. It must be resized explicitly to the desired number of rows and columns.

Example

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.HTMLTable

HTMLTable.Cell, HTMLTable.CellFormatter, HTMLTable.ColumnFormatter, HTMLTable.RowFormatter

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

Grid()
Constructor for Grid.

Grid(int rows, int columns)
Constructs a grid with the requested size.

Method Summary

boolean	clearCell(int row, int column) Replaces the contents of the specified cell with a single space.
int	getCellCount(int row) Return number of columns.
int	getColumnCount() Gets the number of columns in this grid.
int	getRowCount() Return number of rows.
int	insertRow(int beforeRow) Inserts a new row into the table.
void	removeRow(int row) Removes the specified row from the table.
void	resize(int rows, int columns) Resizes the grid.
void	resizeColumns(int columns) Resizes the grid to the specified number of columns.
void	resizeRows(int rows) Resizes the grid to the specified number of rows.

Methods inherited from class com.google.gwt.user.client.ui.HTMLTable

addClickHandler, addTableListener, clear, clear, getCellForEvent, getCellFormatter, getCellPadding, getCellSpacing, getColumnFormatter, getHTML, getRowFormatter, getText, getWidget, isCellPresent, iterator, remove, removeTableListener, setBorderWidth, setCellPadding, setCellSpacing, setHTML, setText, setWidget

Methods inherited from class com.google.gwt.user.client.ui.Panel

add

Methods inherited from class com.google.gwt.user.client.ui.Widget

fireEvent, getLayoutData, getParent, isAttached, onBrowserEvent, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleName, getStylePrimaryName, getTitle, isVisible, isVisible, removeStyleDependentName, removeStyleName, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, toString, unsinkEvents

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.google.gwt.event.shared.HasHandlers

fireEvent

Constructor Detail

Grid

public Grid()

Constructor for Grid.

Grid

public Grid(int rows,
            int columns)

Constructs a grid with the requested size.

Parameters:

rows - the number of rows

columns - the number of columns

Throws:

java.lang.IndexOutOfBoundsException

Method Detail

clearCell

public boolean clearCell(int row,
                         int column)

Replaces the contents of the specified cell with a single space.

Overrides:

clearCell in class HTMLTable

Parameters:

row - the cell's row

column - the cell's column

Returns:

true if a widget was removed

Throws:

java.lang.IndexOutOfBoundsException

getCellCount

public int getCellCount(int row)

Return number of columns. For grid, row argument is ignored as all grids are rectangular.

Specified by:

getCellCount in class HTMLTable

Parameters:

row - the row whose cells are to be counted

Returns:

the number of cells present in the row

getColumnCount

public int getColumnCount()

Gets the number of columns in this grid.

Returns:

the number of columns

getRowCount

public int getRowCount()

Return number of rows.

Specified by:

getRowCount in class HTMLTable

Returns:

the table's row count

insertRow

public int insertRow(int beforeRow)

Inserts a new row into the table. If you want to add multiple rows at once, use resize(int, int) or resizeRows(int) as they are more efficient.

Parameters:

beforeRow - the index before which the new row will be inserted

Returns:

the index of the newly-created row

Throws:

java.lang.IndexOutOfBoundsException

removeRow

public void removeRow(int row)

Description copied from class: HTMLTable

Removes the specified row from the table.

Parameters:

row - the index of the row to be removed

resize

public void resize(int rows,
                   int columns)

Resizes the grid.

Parameters:

rows - the number of rows

columns - the number of columns

Throws:

java.lang.IndexOutOfBoundsException

resizeColumns

public void resizeColumns(int columns)

Resizes the grid to the specified number of columns.

Parameters:

columns - the number of columns

Throws:

java.lang.IndexOutOfBoundsException

resizeRows

public void resizeRows(int rows)

Resizes the grid to the specified number of rows.

Parameters:

rows - the number of rows

Throws:

java.lang.IndexOutOfBoundsException