Package docking.widgets.fieldpanel.field

Class ReverseClippingTextField

java.lang.Object
docking.widgets.fieldpanel.field.ReverseClippingTextField
All Implemented Interfaces:
Field, TextField
public class ReverseClippingTextField extends Object implements TextField
Field for showing multiple strings, each with its own attributes in a field, on a single line, clipping the beginning of the text as needed to fit within the field's width. Has the extra methods for mapping column positions to strings and positions in those strings.

  • Constructor Details

    • ReverseClippingTextField

      public ReverseClippingTextField(int startX, int width, FieldElement textElement, FieldHighlightFactory hlFactory)
      Constructs a new ReverseClippingTextField that allows the cursor beyond the end of the line. This is just a pass through constructor that makes the call: 
       this(startX, width, new AttributedString[] { textElement }, hlFactory, true);
      Parameters:
      startX - The x position of the field
      width - The width of the field
      textElement - The AttributedStrings to display in the field.
      hlFactory - The HighlightFactory object used to paint highlights.

  • Method Details

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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 b)
      Description copied from interface: TextField
      Sets this field to be primary such that its row is primary
      Specified by:
      setPrimary in interface TextField
      Parameters:
      b - this field to be primary such that its row is primary

    • 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 colorManager, 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
      colorManager - 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

    • paintSelection

      protected void paintSelection(Graphics g, FieldBackgroundColorManager colorManager, int rowHeight)

    • paintHighlights

      protected void paintHighlights(Graphics g, Highlight[] highlights)

    • paintCursor

      protected void paintCursor(Graphics g, Color cursorColor, RowColLocation cursorLoc)

    • screenToDataLocation

      public RowColLocation screenToDataLocation(int screenRow, int screenColumn)
      Converts a single column value into a MultiStringLocation which specifies a string index and a column position within that string.
      Specified by:
      screenToDataLocation in interface TextField
      Parameters:
      screenColumn - the overall column position in the total String.
      screenRow - the row in the displayed field text.
      Returns:
      MultiStringLocation the MultiStringLocation corresponding to the given column.

    • dataToScreenLocation

      public RowColLocation dataToScreenLocation(int dataRow, int dataColumn)
      Description copied from interface: TextField
      Translates a data row and column into a screen row and column.
      Specified by:
      dataToScreenLocation in interface TextField
      Parameters:
      dataRow - row as defined by the factory
      dataColumn - the character offset into the dataRow
      Returns:
      row and column in the screen coordinate system; a DefaultRowColLocation if this field does not contain the given column

    • isClipped

      public boolean isClipped()
      Returns true if the text is clipped (truncated)
      Specified by:
      isClipped in interface TextField
      Returns:
      true if the field is not displaying all the text information

    • 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 heightAbove, int heightBelow)
      Description copied from interface: Field
      notifies field that the rowHeight changed
      Specified by:
      rowHeightChanged in interface Field
      Parameters:
      heightAbove - the height above the baseline
      heightBelow - 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

    • getFieldElement

      public FieldElement getFieldElement(int screenRow, int screenColumn)
      Description copied from interface: TextField
      Returns the FieldElement at the given screen location.
      Specified by:
      getFieldElement in interface TextField
      Parameters:
      screenRow - the row on the screen
      screenColumn - the column on the screen
      Returns:
      the FieldElement at the given screen location.