nextapp.echo2.app
Class Grid

java.lang.Object
  nextapp.echo2.app.Component
      nextapp.echo2.app.Grid

All Implemented Interfaces:

RenderIdSupport, java.io.Serializable

public class Grid

extends Component

A layout Component which renders its contents in a grid. Each component is contained within a "cell" of the grid. GridLayoutData layout data objects may used to cause cells to expand to fill multiple columns or rows.

Child LayoutData: Children of this component may provide layout information using the nextapp.echo2.app.layout.GridLayoutData layout data object.

See Also:

GridLayoutData, Serialized Form

Field Summary

static int	DEFAULT_SIZE
static int	ORIENTATION_HORIZONTAL Constant value for orientation property indicating cells should be laid out horizontally and then vertically.
static int	ORIENTATION_VERTICAL Constant value for orientation property indicating cells should be laid out vertically and then horizontally.
static java.lang.String	PROPERTY_BORDER
static java.lang.String	PROPERTY_COLUMN_WIDTH
static java.lang.String	PROPERTY_HEIGHT
static java.lang.String	PROPERTY_INSETS
static java.lang.String	PROPERTY_ORIENTATION
static java.lang.String	PROPERTY_ROW_HEIGHT
static java.lang.String	PROPERTY_SIZE
static java.lang.String	PROPERTY_WIDTH

Fields inherited from class nextapp.echo2.app.Component

CHILDREN_CHANGED_PROPERTY, ENABLED_CHANGED_PROPERTY, FOCUS_TRAVERSAL_INDEX_CHANGED_PROPERTY, FOCUS_TRAVERSAL_PARTICIPANT_CHANGED_PROPERTY, LAYOUT_DIRECTION_CHANGED_PROPERTY, LOCALE_CHANGED_PROPERTY, PROPERTY_BACKGROUND, PROPERTY_FONT, PROPERTY_FOREGROUND, PROPERTY_LAYOUT_DATA, STYLE_CHANGED_PROPERTY, STYLE_NAME_CHANGED_PROPERTY, VISIBLE_CHANGED_PROPERTY

Constructor Summary

Grid()
Creates a new horizontally-oriented Grid with the default size (2).

Grid(int size)
Creates a new hoirzontally-oriented Grid with the specified size.

Method Summary

Border	getBorder() Returns the Border.
Extent	getColumnWidth(int columnIndex) Returns the width of the specified column.
Extent	getHeight() Returns the overall height.
Insets	getInsets() Returns the default cell insets.
int	getOrientation() Returns the orientation of the grid (either horizontal or vertical).
Extent	getRowHeight(int rowIndex) Returns the height of the specified row.
int	getSize() Returns the number of columns or rows in the Grid.
Extent	getWidth() Returns the overall width of the grid.
void	setBorder(Border newValue) Sets the Border.
void	setColumnWidth(int columnIndex, Extent newValue) Sets the width of the specified column.
void	setHeight(Extent newValue) Sets the overall height of the grid.
void	setInsets(Insets newValue) Sets the default cell insets.
void	setOrientation(int newValue) Sets the orientation of the grid (either horizontal or vertical).
void	setRowHeight(int rowIndex, Extent newValue) Sets the height of the specified row.
void	setSize(int newValue) Sets the number of columns or rows in the grid.
void	setWidth(Extent newValue) Sets the overall width of the grid.

Methods inherited from class nextapp.echo2.app.Component

add, add, addPropertyChangeListener, dispose, firePropertyChange, getApplicationInstance, getBackground, getComponent, getComponent, getComponentCount, getComponents, getEventListenerList, getFocusTraversalIndex, getFont, getForeground, getId, getIndexedProperty, getLayoutData, getLayoutDirection, getLocale, getParent, getProperty, getRenderId, getRenderIndexedProperty, getRenderIndexedProperty, getRenderLayoutDirection, getRenderLocale, getRenderProperty, getRenderProperty, getStyle, getStyleName, getVisibleComponent, getVisibleComponentCount, getVisibleComponents, hasEventListenerList, indexOf, init, isAncestorOf, isEnabled, isFocusTraversalParticipant, isRegistered, isRenderEnabled, isRenderVisible, isValidChild, isValidParent, isVisible, processInput, remove, remove, removeAll, removePropertyChangeListener, setBackground, setEnabled, setFocusTraversalIndex, setFocusTraversalParticipant, setFont, setForeground, setId, setIndexedProperty, setLayoutData, setLayoutDirection, setLocale, setProperty, setRenderId, setStyle, setStyleName, setVisible, validate, verifyInput, visibleIndexOf

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SIZE

public static final int DEFAULT_SIZE

See Also:

Constant Field Values

ORIENTATION_HORIZONTAL

public static final int ORIENTATION_HORIZONTAL

Constant value for orientation property indicating cells should be laid out horizontally and then vertically. ORIENTATION_HORIZONTAL is the default orientation setting.

See Also:

Constant Field Values

ORIENTATION_VERTICAL

public static final int ORIENTATION_VERTICAL

Constant value for orientation property indicating cells should be laid out vertically and then horizontally.

See Also:

Constant Field Values

PROPERTY_BORDER

public static final java.lang.String PROPERTY_BORDER

See Also:

Constant Field Values

PROPERTY_COLUMN_WIDTH

public static final java.lang.String PROPERTY_COLUMN_WIDTH

See Also:

Constant Field Values

PROPERTY_HEIGHT

public static final java.lang.String PROPERTY_HEIGHT

See Also:

Constant Field Values

PROPERTY_INSETS

public static final java.lang.String PROPERTY_INSETS

See Also:

Constant Field Values

PROPERTY_ORIENTATION

public static final java.lang.String PROPERTY_ORIENTATION

See Also:

Constant Field Values

PROPERTY_ROW_HEIGHT

public static final java.lang.String PROPERTY_ROW_HEIGHT

See Also:

Constant Field Values

PROPERTY_SIZE

public static final java.lang.String PROPERTY_SIZE

See Also:

Constant Field Values

PROPERTY_WIDTH

public static final java.lang.String PROPERTY_WIDTH

See Also:

Constant Field Values

Constructor Detail

Grid

public Grid()

Creates a new horizontally-oriented Grid with the default size (2).

Grid

public Grid(int size)

Creates a new hoirzontally-oriented Grid with the specified size.

Parameters:

size - the number of columns

See Also:

getSize()

Method Detail

getBorder

public Border getBorder()

Returns the Border.

Returns:

the border

getColumnWidth

public Extent getColumnWidth(int columnIndex)

Returns the width of the specified column. This property supports Extents with fixed or percentile units.

Parameters:

columnIndex - the column index

Returns:

the width

getHeight

public Extent getHeight()

Returns the overall height. This property only supports Extents with fixed (i.e., not percent) units.

Returns:

the height

getInsets

public Insets getInsets()

Returns the default cell insets. The default cell insets will be used for individual child cells that do not provide an Insets value in their GridLayoutData.

Returns:

the default cell insets

getOrientation

public int getOrientation()

Returns the orientation of the grid (either horizontal or vertical). The orientation describes the direction in which cells are laid out. An orientation of ORIENTATION_HORIZONTAL (the default) specifies that cells should be laid out in horizontal rows with the size property specifying the number of columns per row. An orientation of ORIENTATION_VERTICAL specifies that cells should be laid out in vertical columns with the size property specifying the number of rows per column.

Returns:

the orientation, one of the following values:

• ORIENTATION_HORIZONTAL (the default)
• ORIENTATION_VERTICAL

See Also:

setOrientation(int)

getRowHeight

public Extent getRowHeight(int rowIndex)

Returns the height of the specified row. This property only supports Extents with fixed (i.e., not percent) units.

Parameters:

rowIndex - the row index

Returns:

the height

getSize

public int getSize()

Returns the number of columns or rows in the Grid. If the orientation property is set to ORIENTATION_HORIZONTAL, this property represents the number of columns in the Grid. If the orientation property is set to ORIENTATION_VERTICAL, this property represents the number of rows in the Grid.

Returns:

the number of columns or rows

getWidth

public Extent getWidth()

Returns the overall width of the grid. This property supports Extents with fixed or percentile units.

Returns:

the width

setBorder

public void setBorder(Border newValue)

Sets the Border.

Parameters:

newValue - the new border

setColumnWidth

public void setColumnWidth(int columnIndex,
                           Extent newValue)

Sets the width of the specified column. This property supports Extents with fixed or percentile units.

Parameters:

columnIndex - the column index

newValue - the new width

setHeight

public void setHeight(Extent newValue)

Sets the overall height of the grid. This property only supports Extents with fixed (i.e., not percent) units.

Parameters:

newValue - the new height

setInsets

public void setInsets(Insets newValue)

Sets the default cell insets. The default cell insets will be used for individual child cells that do not provide an Insets value in their GridLayoutData.

Parameters:

newValue - the new default cell insets

setOrientation

public void setOrientation(int newValue)

Sets the orientation of the grid (either horizontal or vertical). The orientation describes the direction in which cells are laid out. An orientation of ORIENTATION_HORIZONTAL (the default) specifies that cells should be laid out in horizontal rows with the size property specifying the number of columns per row. An orientation of ORIENTATION_VERTICAL specifies that cells should be laid out in vertical columns with the size property specifying the number of rows per column.

Parameters:

newValue - the new orientation, one of the following values:

• ORIENTATION_HORIZONTAL (the default)
• ORIENTATION_VERTICAL

setRowHeight

public void setRowHeight(int rowIndex,
                         Extent newValue)

Sets the height of the specified row. This property only supports Extents with fixed (i.e., not percent) units.

Parameters:

rowIndex - the row index

newValue - the new height

setSize

public void setSize(int newValue)

Sets the number of columns or rows in the grid. If the orientation property is set to ORIENTATION_HORIZONTAL, this property represents the number of columns in the Grid. If the orientation property is set to ORIENTATION_VERTICAL, this property represents the number of rows in the Grid.

Parameters:

newValue - the number of columns or rows

See Also:

getSize()

setWidth

public void setWidth(Extent newValue)

Sets the overall width of the grid. This property supports Extents with fixed or percentile units.

Parameters:

newValue - the new width