Package docking.widgets.fieldpanel.field

Class EmptyTextField

java.lang.Object

docking.widgets.fieldpanel.field.EmptyTextField

All Implemented Interfaces:

Field

public class EmptyTextField
extends java.lang.Object
implements Field

A Text field that is blank.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	height
protected int	heightAbove
protected boolean	isPrimary
protected int	startX
protected int	width

Constructor Summary

Constructors

Constructor	Description
EmptyTextField(int heightAbove, int heightBelow, int startX, int width)	Constructs a new EmptyTextField

Method Summary

Modifier and Type	Method	Description
boolean	contains(int x, int y)	Returns true if the given point is in this field
int	getCol(int row, int x)	Returns the cursor column position for the given x coordinate on the given row
java.awt.Rectangle	getCursorBounds(int row, int col)	Returns a bounding rectangle for the cursor at the given position
java.awt.Color	getForeground()	Get the foreground color.
int	getHeight()	Returns the height of this field when populated with the given data
int	getHeightAbove()	Returns the height above the baseLine
int	getHeightBelow()	Returns the height below the baseLine
int	getNumCols(int row)	Returns the number of columns in the given row
int	getNumDataRows()	Returns the number of data model rows represented by this field.
int	getNumRows()	Returns the number of rows in this field
int	getPreferredWidth()	The minimum required width to paint the contents of this field
int	getRow(int y)	Returns the row containing the given y coordinate
int	getScrollableUnitIncrement(int topOfScreen, int direction, int max)	Returns the amount to scroll to the next or previous line
int	getStartX()	Returns the horizontal position of this field
java.lang.String	getText()	Returns a string containing all the text in the field
java.lang.String	getTextWithLineSeparators()	Returns a string containing all the text in the field with extra newlines
int	getWidth()	Returns the current width of this field
int	getX(int row, int col)	Returns the x coordinate for the given cursor position
int	getY(int row)	Returns the y coordinate for the given row
boolean	isAllowCursorAtEnd()	Returns true if the cursor is allowed past the last character.
boolean	isPrimary()	Returns true if this field is "primary" (the most important) field; used to determine the "primary" line in the layout
boolean	isValid(int row, int col)	Returns true if the given row and column represent a valid location for this field with the given data
void	paint(javax.swing.JComponent c, java.awt.Graphics g, PaintContext context, java.awt.Rectangle clip, FieldBackgroundColorManager map, RowColLocation cursorLoc, int rowHeight)	Paints this field
void	rowHeightChanged(int newHeightAbove, int newHeightBelow)	notifies field that the rowHeight changed
int	screenLocationToTextOffset(int row, int col)	Returns the text offset in the overall field text string for the given row and column
void	setForeground(java.awt.Color color)	Sets the foreground color which isn't used by objects of this class
void	setPrimary(boolean state)	Sets the primary state for this field
RowColLocation	textOffsetToScreenLocation(int textOffset)	Returns the row, column position for an offset into the string returned by getText()

Methods inherited from class java.lang.Object

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

Field Detail

startX

protected int startX

width

protected int width

heightAbove

protected int heightAbove

height

protected int height

isPrimary

protected boolean isPrimary

Constructor Detail

EmptyTextField

public EmptyTextField(int heightAbove,
                      int heightBelow,
                      int startX,
                      int width)

Constructs a new EmptyTextField

Parameters:

heightAbove - the height above the baseline of the text field.

heightBelow - the height below the baseline of the text field.

startX - the starting x coordinate.

width - the width of the field. the end of the text.

Method Detail

isAllowCursorAtEnd

public boolean isAllowCursorAtEnd()

Returns true if the cursor is allowed past the last character. This field always returns false since there is no text.

getWidth

public int getWidth()

Description copied from interface: Field

Returns the current width of this field

Specified by:

getWidth in interface Field

Returns:

the current width of this field

getPreferredWidth

public int getPreferredWidth()

Description copied from interface: Field

The minimum required width to paint the contents of this field

Specified by:

getPreferredWidth in interface Field

Returns:

the minimum required width to paint the contents of this field

getHeight

public int getHeight()

Description copied from interface: Field

Returns the height of this field when populated with the given data

Specified by:

getHeight in interface Field

Returns:

the height

getStartX

public int getStartX()

Description copied from interface: Field

Returns the horizontal position of this field

Specified by:

getStartX in interface Field

Returns:

the position

getNumDataRows

public int getNumDataRows()

Description copied from interface: Field

Returns the number of data model rows represented by this field. Some fields may change the row count by wrapping or truncating. The value returned here will be the original data row count before any transformations were applied.

Specified by:

getNumDataRows in interface Field

Returns:

the number of data rows

getNumRows

public int getNumRows()

Description copied from interface: Field

Returns the number of rows in this field

Specified by:

getNumRows in interface Field

Returns:

the number of rows in this field

getNumCols

public int getNumCols(int row)

Description copied from interface: Field

Returns the number of columns in the given row

Specified by:

getNumCols in interface Field

Parameters:

row - the row from which to get the number of columns; this is the screen row

Returns:

the number of columns

getRow

public int getRow(int y)

Description copied from interface: Field

Returns the row containing the given y coordinate

Specified by:

getRow in interface Field

Parameters:

y - vertical pixel coordinate relative to the top of the screen

Returns:

the row

getCol

public int getCol(int row,
                  int x)

Description copied from interface: Field

Returns the cursor column position for the given x coordinate on the given row

Specified by:

getCol in interface Field

Parameters:

row - the text row to find the column on

x - the horizontal pixel coordinate for which to find the character position

Returns:

the column

getY

public int getY(int row)

Description copied from interface: Field

Returns the y coordinate for the given row

Specified by:

getY in interface Field

Parameters:

row - the text row of interest

Returns:

the y value

getX

public int getX(int row,
                int col)

Description copied from interface: Field

Returns the x coordinate for the given cursor position

Specified by:

getX in interface Field

Parameters:

row - the text row of interest

col - the character column

Returns:

the x value

isValid

public boolean isValid(int row,
                       int col)

Description copied from interface: Field

Returns true if the given row and column represent a valid location for this field with the given data

Specified by:

isValid in interface Field

Parameters:

row - the text row

col - the character position

Returns:

tru if valid

paint

public void paint(javax.swing.JComponent c,
                  java.awt.Graphics g,
                  PaintContext context,
                  java.awt.Rectangle clip,
                  FieldBackgroundColorManager map,
                  RowColLocation cursorLoc,
                  int rowHeight)

Description copied from interface: Field

Paints this field

Specified by:

paint in interface Field

Parameters:

c - the component to paint onto

g - the graphics context

context - common paint parameters

clip - the clipping region to paint into

map - contains background color information for the field

cursorLoc - the row,column cursor location within the field or null if the field does not contain the cursor

rowHeight - the number of pixels in each row of text in the field

getCursorBounds

public java.awt.Rectangle getCursorBounds(int row,
                                          int col)

Description copied from interface: Field

Returns a bounding rectangle for the cursor at the given position

Specified by:

getCursorBounds in interface Field

Parameters:

row - the text row

col - the character position

Returns:

the rectangle

contains

public boolean contains(int x,
                        int y)

Description copied from interface: Field

Returns true if the given point is in this field

Specified by:

contains in interface Field

Parameters:

x - the horizontal coordinate of the point

y - the relative y position in this layout

Returns:

true if the given point is in this field

setForeground

public void setForeground(java.awt.Color color)

Sets the foreground color which isn't used by objects of this class

Parameters:

color - the new foreground color.

getForeground

public java.awt.Color getForeground()

Get the foreground color.

Returns:

Color could return null if the setForeground() method was not called, and if this method is called before the paint() method was called.

getScrollableUnitIncrement

public int getScrollableUnitIncrement(int topOfScreen,
                                      int direction,
                                      int max)

Description copied from interface: Field

Returns the amount to scroll to the next or previous line

Specified by:

getScrollableUnitIncrement in interface Field

Parameters:

topOfScreen - the current y position of the top of the screen

direction - the direction of the scroll (1 down, -1 up)

max - the maximum amount to scroll for the entire row - will be positive for down, and negative for up)

Returns:

the scroll amount

isPrimary

public boolean isPrimary()

Description copied from interface: Field

Returns true if this field is "primary" (the most important) field; used to determine the "primary" line in the layout

Specified by:

isPrimary in interface Field

Returns:

true if this field is "primary"

setPrimary

public void setPrimary(boolean state)

Sets the primary state for this field

Parameters:

state - the state to set the primary property.

getHeightAbove

public int getHeightAbove()

Description copied from interface: Field

Returns the height above the baseLine

Specified by:

getHeightAbove in interface Field

Returns:

the height above

getHeightBelow

public int getHeightBelow()

Description copied from interface: Field

Returns the height below the baseLine

Specified by:

getHeightBelow in interface Field

Returns:

the height below

rowHeightChanged

public void rowHeightChanged(int newHeightAbove,
                             int newHeightBelow)

Description copied from interface: Field

notifies field that the rowHeight changed

Specified by:

rowHeightChanged in interface Field

Parameters:

newHeightAbove - the height above the baseline

newHeightBelow - the height below the baseline

getText

public java.lang.String getText()

Description copied from interface: Field

Returns a string containing all the text in the field

Specified by:

getText in interface Field

Returns:

the string

getTextWithLineSeparators

public java.lang.String getTextWithLineSeparators()

Description copied from interface: Field

Returns a string containing all the text in the field with extra newlines

Specified by:

getTextWithLineSeparators in interface Field

Returns:

a string containing all the text in the field with extra newlines

textOffsetToScreenLocation

public RowColLocation textOffsetToScreenLocation(int textOffset)

Description copied from interface: Field

Returns the row, column position for an offset into the string returned by getText()

Specified by:

textOffsetToScreenLocation in interface Field

Parameters:

textOffset - the offset into the entire text string for this field

Returns:

a RowColLocation that contains the row,column location in the field for a position in the overall field text

screenLocationToTextOffset

public int screenLocationToTextOffset(int row,
                                      int col)

Description copied from interface: Field

Returns the text offset in the overall field text string for the given row and column

Specified by:

screenLocationToTextOffset in interface Field

Parameters:

row - the row

col - the column

Returns:

the offset