Package docking.widgets.fieldpanel.field

Class ClippingTextField

java.lang.Object

docking.widgets.fieldpanel.field.ClippingTextField

All Implemented Interfaces:

Field, TextField

public class ClippingTextField
extends java.lang.Object
implements TextField

Field for showing multiple strings, each with its own attributes in a field, on a single line, clipping as needed to fit within the field's width. Has the extra methods for mapping column positions to strings and positions in those strings.

Field Summary

Fields

Change	Modifier and Type	Field	Description
NEW	protected int	startX

Constructor Summary

Constructors

Change	Constructor	Description
ClippingTextField(int startX, int width, FieldElement textElement, HighlightFactory hlFactory)	Constructs a new ClippingTextField that allows the cursor beyond the end of the line.

Method Summary

Change	Modifier and Type	Method	Description
	boolean	contains(int x, int y)	Returns true if the given point is in this field.
	RowColLocation	dataToScreenLocation(int dataRow, int dataColumn)	Translates a data row and column into a screen row and column.
	java.lang.Object	getClickedObject(FieldLocation fieldLocation)
	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.
	FieldElement	getFieldElement(int screenRow, int screenColumn)	Returns the FieldElement at the given screen location.
	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	isClipped()	Returns true if the text is clipped (truncated)
	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 colorManager, RowColLocation cursorLoc, int rowHeight)	Paints this field.
NEW	protected void	paintCursor(java.awt.Graphics g, java.awt.Color cursorColor, RowColLocation cursorLoc)
	protected void	paintHighlights(java.awt.Graphics g, Highlight[] highlights)
NEW	protected void	paintSelection(java.awt.Graphics g, FieldBackgroundColorManager colorManager, int row, int rowHeight)
	void	rowHeightChanged(int heightAbove, int heightBelow)	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.
	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.
	void	setPrimary(boolean b)	Sets this field to be primary such that its row is primary
	RowColLocation	textOffsetToScreenLocation(int textOffset)	Returns the row, column position for an offset into the string returned by getText().
	java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

startX NEW

protected int startX

Constructor Detail

ClippingTextField

public ClippingTextField(int startX,
                         int width,
                         FieldElement textElement,
                         HighlightFactory hlFactory)

Constructs a new ClippingTextField 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 Detail

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)

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)

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)

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()

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)

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()

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)

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)

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()

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

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)

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)

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 b)

Description copied from interface: TextField

Sets this field to be primary such that its row is primary

Specified by:

setPrimary in interface TextField

See Also:

TextField.setPrimary(boolean)

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 colorManager,
                  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

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

See Also:

docking.widgets.fieldpanel.field.Field#paint(java.awt.Graphics, docking.widgets.fieldpanel.internal.PaintContext, boolean, docking.widgets.fieldpanel.support.RowColLocation)

paintSelection NEW

protected void paintSelection(java.awt.Graphics g,
                              FieldBackgroundColorManager colorManager,
                              int row,
                              int rowHeight)

paintHighlights NEW

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

paintCursor NEW

protected void paintCursor(java.awt.Graphics g,
                           java.awt.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.

See Also:

TextField.dataToScreenLocation(int, int)

isClipped

public boolean isClipped()

Returns true if the text is clipped (truncated)

Specified by:

isClipped in interface TextField

getHeightAbove

public int getHeightAbove()

Description copied from interface: Field

Returns the height above the baseLine.

Specified by:

getHeightAbove in interface Field

See Also:

Field.getHeightAbove()

getHeightBelow

public int getHeightBelow()

Description copied from interface: Field

Returns the height below the baseLine.

Specified by:

getHeightBelow in interface Field

See Also:

Field.getHeightBelow()

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.

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)

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.

See Also:

Field.screenLocationToTextOffset(int, int)

getClickedObject

public java.lang.Object getClickedObject(FieldLocation fieldLocation)

See Also:

ListingField.getClickedObject(FieldLocation)

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.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object