Package docking.widgets.fieldpanel.field

# Class EmptyTextField

java.lang.Object
docking.widgets.fieldpanel.field.EmptyTextField

All Implemented Interfaces:
  `Field`

public class EmptyTextField extends 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
  `Rectangle`
  `getCursorBounds(int row, int col)`
  Returns a bounding rectangle for the cursor at the given position
  `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
  `String`
  `getText()`
  Returns a string containing all the text in the field
  `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(JComponent c, Graphics g, PaintContext context, 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(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 Details

  - ### startX

    protected int startX

  - ### width

    protected int width

  - ### heightAbove

    protected int heightAbove

  - ### height

    protected int height

  - ### isPrimary

    protected boolean isPrimary

- ## Constructor Details

  - ### 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 Details

  - ### 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:
      true if valid

  - ### paint

    public void paint(JComponent c, Graphics g, PaintContext context, 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 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(Color color)
    Sets the foreground color which isn't used by objects of this class
    Parameters:
      `color` - the new foreground color.

  - ### getForeground

    public 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 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 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