Package docking.widgets.fieldpanel.field

Class 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

      All Methods Instance Methods Concrete Methods 
      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 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 linefeeds
      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, 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
        See Also:
        Field.getWidth()

      • 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
        See Also:
        Field.getHeight()

      • getStartX

        public int getStartX()
        Description copied from interface: Field
        Returns the horizontal position of this field.
        Specified by:
        getStartX in interface Field
        See Also:
        Field.getStartX()

      • getNumRows

        public int getNumRows()
        Description copied from interface: Field
        Returns the number of rows in this field
        Specified by:
        getNumRows in interface Field
        See Also:
        Field.getNumRows()

      • 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.
        See Also:
        Field.getNumCols(int)

      • 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.
        See Also:
        Field.getRow(int)

      • 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.
        See Also:
        Field.getCol(int, int)

      • 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.
        See Also:
        Field.getY(int)

      • 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.
        See Also:
        Field.getX(int, int)

      • 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.
        See Also:
        Field.isValid(int, int)

      • paint

        public void paint​(javax.swing.JComponent c,
                  java.awt.Graphics g,
                  PaintContext context,
                  FieldBackgroundColorManager map,
                  RowColLocation cursorLoc,
                  int rowHeight)
        Description copied from interface: Field
        Paints this field.
        Specified by:
        paint in interface Field
        g - the graphics context.
        context - common paint parameters
        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
        See Also:
        docking.widgets.fieldpanel.field.Field#paint(java.awt.Graphics, docking.widgets.fieldpanel.internal.PaintContext, boolean, docking.widgets.fieldpanel.support.RowColLocation)

      • 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 postion.
        See Also:
        Field.getCursorBounds(int, int)

      • 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 relatve y position in this layout
        See Also:
        Field.contains(int, int)

      • 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 pos 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)
        See Also:
        Field.getScrollableUnitIncrement(int, int, int)

      • 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
        See Also:
        Field.isPrimary()

      • setPrimary

        public void setPrimary​(boolean state)
        Sets the primary state for this field
        Parameters:
        state - the state to set the primary property.

      • 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.
        See Also:
        Field.rowHeightChanged(int, int)

      • 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
        See Also:
        Field.getText()

      • getTextWithLineSeparators

        public java.lang.String getTextWithLineSeparators()
        Description copied from interface: Field
        Returns a string containing all the text in the field with extra linefeeds
        Specified by:
        getTextWithLineSeparators in interface Field
        Returns:

      • 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.
        See Also:
        Field.textOffsetToScreenLocation(int)