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

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

All Implemented Interfaces:

HeaderRenderer

public class DefaultHeaderRenderer
extends RendererBase
implements HeaderRenderer

Simple default header renderer.

Version:

$Id: DefaultHeaderRenderer.java 781 2008-09-20 20:10:18Z kliem $

Author:

Peter Kliem

Field Summary

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

_printer, _scaleX, _scaleY

Constructor Summary

DefaultHeaderRenderer()
Constructor for screen use.

DefaultHeaderRenderer(org.eclipse.swt.printing.Printer printer)
Constructor for printing use.

Method Summary

boolean	contains(org.eclipse.swt.graphics.Rectangle drawingArea, int x, int y) Check whether a position in the header should be active for selecting.
HeaderRenderer	createPrintRenderer(org.eclipse.swt.printing.Printer printer) Create a similar renderer for printing.
void	dispose() Dispose the renderer.
void	draw(org.eclipse.swt.graphics.GC gc, org.eclipse.swt.graphics.Rectangle drawingArea, TimeBarViewerDelegate delegate, TimeBarRowHeader header, boolean selected, boolean printing) Draw the header.
java.lang.String	getToolTipText(TimeBarRow row, org.eclipse.swt.graphics.Rectangle drawingArea, int x, int y) Retrieve the tooltip for a position inside the header.

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

Constructor Detail

DefaultHeaderRenderer

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

Constructor for printing use.

Parameters:

printer - printing device

DefaultHeaderRenderer

public DefaultHeaderRenderer()

Constructor for screen use.

Method Detail

draw

public void draw(org.eclipse.swt.graphics.GC gc,
                 org.eclipse.swt.graphics.Rectangle drawingArea,
                 TimeBarViewerDelegate delegate,
                 TimeBarRowHeader header,
                 boolean selected,
                 boolean printing)

Draw the header.

Specified by:

draw in interface HeaderRenderer

Parameters:

gc - GC to use (clipped to drawing area)

drawingArea - Rectangle to paint within

delegate - TimeBarViewerDelegate for retrieving some support

header - the header to paint

selected - true if the row is selected

printing - flag indicating the current drawing is done for a printer

getToolTipText

public java.lang.String getToolTipText(TimeBarRow row,
                                       org.eclipse.swt.graphics.Rectangle drawingArea,
                                       int x,
                                       int y)

Retrieve the tooltip for a position inside the header.

Specified by:

getToolTipText in interface HeaderRenderer

Parameters:

row - the header is for

drawingArea - area in which the header has been drawn

x - x of the position in question

y - of the position in question

Returns:

the tooltip for the position or null

contains

public boolean contains(org.eclipse.swt.graphics.Rectangle drawingArea,
                        int x,
                        int y)

Check whether a position in the header should be active for selecting.

Specified by:

contains in interface HeaderRenderer

Parameters:

drawingArea - area in which the header has been drawn

x - x of the position in question

y - of the position in question

Returns:

true if this position hits an active part leeding to selection of the row.

dispose

public void dispose()

Dispose the renderer. Should free up any resources locked.

Specified by:

dispose in interface HeaderRenderer

createPrintRenderer

public HeaderRenderer createPrintRenderer(org.eclipse.swt.printing.Printer printer)

Create a similar renderer for printing. The creatin should copy settings made to the producing renderer.

Specified by:

createPrintRenderer in interface HeaderRenderer

Parameters:

printer - Printer device

Returns:

a configured renderer for printing.