de.jaret.util.ui.timebars.swt.renderer
Class AbstractGridRenderer

java.lang.Object
  de.jaret.util.ui.timebars.swt.renderer.RendererBase
      de.jaret.util.ui.timebars.swt.renderer.AbstractGridRenderer

All Implemented Interfaces:

GridRenderer

Direct Known Subclasses:

DefaultGridRenderer

public abstract class AbstractGridRenderer
extends RendererBase
implements GridRenderer

Abtsract base implementation pof a grid renderer holding the common used rendering methods.

Version:

$Id: AbstractGridRenderer.java 800 2008-12-27 22:27:33Z kliem $

Author:

kliem

Field Summary

protected int	_highlightAlpha alpha for drawing the highlight.
protected org.eclipse.swt.graphics.Color	_highlightColor color for the highlighted row.
protected int	_rowSelectAlpha alpha value for selection drawing.
protected org.eclipse.swt.graphics.Color	_rowSelectColor color for selected rows.
org.eclipse.swt.graphics.Color	HIGHLIGHT_COLOR default color for highlighted row.
org.eclipse.swt.graphics.Color	ROWSELECT_COLOR default color for background of a row selection.

Fields inherited from class de.jaret.util.ui.timebars.swt.renderer.RendererBase

_printer, _scaleX, _scaleY

Constructor Summary

AbstractGridRenderer()
Constructor for screen use.

AbstractGridRenderer(org.eclipse.swt.printing.Printer printer)
Constructor for use with a printer device.

Method Summary

void	dispose() Dispose the renderer.
void	drawRowAfterIntervals(org.eclipse.swt.graphics.GC gc, TimeBarViewerDelegate delegate, org.eclipse.swt.graphics.Rectangle drawingArea, TimeBarRow row, boolean selected, boolean printing) Do row painting AFTER intervals are drawn.
void	drawRowBeforeIntervals(org.eclipse.swt.graphics.GC gc, TimeBarViewerDelegate delegate, org.eclipse.swt.graphics.Rectangle drawingArea, TimeBarRow row, boolean selected, boolean printing) Do row painting BEFORE intervals are drawn.
int	getHighlightAlpha() Get the alpha used when drawing the highlighted row.
org.eclipse.swt.graphics.Color	getHighlightColor() retrieve the color used for highlighting rows.
int	getRowSelectAlpha() Retrieve the alpha value used for painting row selections.
org.eclipse.swt.graphics.Color	getRowSelectColor() Retrieve the color used for marking selected rows.
void	setHighlightAlpha(int highlightAlpha) Set the alpha value used for drawing the highlighted row.
void	setHighlightColor(org.eclipse.swt.graphics.Color highlightColor) Set the color for highlighting a row.
void	setRowSelectAlpha(int rowSelectAlpha) Set the alpha value for painting row selections.
void	setRowSelectColor(org.eclipse.swt.graphics.Color rowSelectColor) Set the color for drawing selected rows.

Methods inherited from class de.jaret.util.ui.timebars.swt.renderer.RendererBase

drawFocus, getDefaultLineWidth, getPrinter, getScaleX, getScaleY, scaleX, scaleY

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.jaret.util.ui.timebars.swt.renderer.GridRenderer

createPrintRenderer, draw, setTickProvider

Field Detail

HIGHLIGHT_COLOR

public final org.eclipse.swt.graphics.Color HIGHLIGHT_COLOR

default color for highlighted row.

ROWSELECT_COLOR

public final org.eclipse.swt.graphics.Color ROWSELECT_COLOR

default color for background of a row selection.

_highlightColor

protected org.eclipse.swt.graphics.Color _highlightColor

color for the highlighted row.

_highlightAlpha

protected int _highlightAlpha

alpha for drawing the highlight.

_rowSelectColor

protected org.eclipse.swt.graphics.Color _rowSelectColor

color for selected rows.

_rowSelectAlpha

protected int _rowSelectAlpha

alpha value for selection drawing.

Constructor Detail

AbstractGridRenderer

public AbstractGridRenderer(org.eclipse.swt.printing.Printer printer)

Constructor for use with a printer device.

Parameters:

printer - printer device

AbstractGridRenderer

public AbstractGridRenderer()

Constructor for screen use.

Method Detail

drawRowBeforeIntervals

public void drawRowBeforeIntervals(org.eclipse.swt.graphics.GC gc,
                                   TimeBarViewerDelegate delegate,
                                   org.eclipse.swt.graphics.Rectangle drawingArea,
                                   TimeBarRow row,
                                   boolean selected,
                                   boolean printing)

Do row painting BEFORE intervals are drawn. This method (or the "after" method) is responsible for drawing highlighted rows and row selection.

Specified by:

drawRowBeforeIntervals in interface GridRenderer

Parameters:

gc - GC

delegate - time bar viewer delegate

drawingArea - area the row occupies on the screen

row - the row

selected - true if the row is selected

printing - true if printing

drawRowAfterIntervals

public void drawRowAfterIntervals(org.eclipse.swt.graphics.GC gc,
                                  TimeBarViewerDelegate delegate,
                                  org.eclipse.swt.graphics.Rectangle drawingArea,
                                  TimeBarRow row,
                                  boolean selected,
                                  boolean printing)

Do row painting AFTER intervals are drawn. This method (or the "before" method) is responsible for drawing highlighted rows and row selection.

Specified by:

drawRowAfterIntervals in interface GridRenderer

Parameters:

gc - GC

delegate - time bar viewer delegate

drawingArea - area the row occupies on the screen

row - the row

selected - true if the row is selected

printing - true if printing

dispose

public void dispose()

Dispose the renderer. Should free up any resources locked.

Specified by:

dispose in interface GridRenderer

getHighlightColor

public org.eclipse.swt.graphics.Color getHighlightColor()

retrieve the color used for highlighting rows.

Returns:

the highlight color

setHighlightColor

public void setHighlightColor(org.eclipse.swt.graphics.Color highlightColor)

Set the color for highlighting a row. The color will not be disposed by the viewer. Highlighting is done with the methods highlightRow and deHighlightRow.

Parameters:

highlightColor - color to be used for highlighting rows

getRowSelectColor

public org.eclipse.swt.graphics.Color getRowSelectColor()

Retrieve the color used for marking selected rows.

Returns:

color used for selecteted rows

setRowSelectColor

public void setRowSelectColor(org.eclipse.swt.graphics.Color rowSelectColor)

Set the color for drawing selected rows. The color will not be disposed by the viewer.

Parameters:

rowSelectColor - color to be used to select rows

getHighlightAlpha

public int getHighlightAlpha()

Get the alpha used when drawing the highlighted row.

Returns:

alpha for drawing the hightlight

setHighlightAlpha

public void setHighlightAlpha(int highlightAlpha)

Set the alpha value used for drawing the highlighted row.

Parameters:

highlightAlpha - alpha to use

getRowSelectAlpha

public int getRowSelectAlpha()

Retrieve the alpha value used for painting row selections.

Returns:

alpha value for row seletions

setRowSelectAlpha

public void setRowSelectAlpha(int rowSelectAlpha)

Set the alpha value for painting row selections.

Parameters:

rowSelectAlpha - alpha value for row selections