de.jaret.examples.timebars.linechart.swt.renderer
Class LineChartRenderer

java.lang.Object
  de.jaret.util.ui.timebars.swt.renderer.RendererBase
      de.jaret.examples.timebars.linechart.swt.renderer.LineChartRenderer

All Implemented Interfaces:

de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

public class LineChartRenderer
extends de.jaret.util.ui.timebars.swt.renderer.RendererBase
implements de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

renderer rendering a line chart in a LineChartInterval.

Version:

$Id: LineChartRenderer.java 766 2008-05-28 21:36:48Z kliem $

Author:

Peter Kliem

Field Summary

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

_printer, _scaleX, _scaleY

Constructor Summary

LineChartRenderer()
Construct renderer for screen use.

LineChartRenderer(org.eclipse.swt.printing.Printer printer)
Create renderer for printing.

Method Summary

boolean	contains(de.jaret.util.date.Interval interval, org.eclipse.swt.graphics.Rectangle drawingArea, int x, int y, boolean overlapping)
de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer	createPrintrenderer(org.eclipse.swt.printing.Printer printer)
void	dispose()
void	draw(org.eclipse.swt.graphics.GC gc, org.eclipse.swt.graphics.Rectangle drawingArea, de.jaret.util.ui.timebars.TimeBarViewerDelegate delegate, de.jaret.util.date.Interval interval, boolean selected, boolean printing, boolean overlap)
org.eclipse.swt.graphics.Rectangle	getContainingRectangle(de.jaret.util.date.Interval interval, org.eclipse.swt.graphics.Rectangle drawingArea, boolean overlapping)
java.lang.String	getToolTipText(de.jaret.util.date.Interval interval, org.eclipse.swt.graphics.Rectangle drawingArea, int x, int y, boolean overlapping)
static int	valueForY(org.eclipse.swt.graphics.Rectangle drawingArea, int y) Calculate the value represented by an y coordinate in the line chart example.
static int	yForValue(org.eclipse.swt.graphics.Rectangle drawingArea, int value) Calculate y value for a given value in the line chart example.

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

LineChartRenderer

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

Create renderer for printing.

Parameters:

printer - printer device

LineChartRenderer

public LineChartRenderer()

Construct renderer for screen use.

Method Detail

yForValue

public static int yForValue(org.eclipse.swt.graphics.Rectangle drawingArea,
                            int value)

Calculate y value for a given value in the line chart example.

Parameters:

drawingArea - drawing area (of which the height is needed)

value - value to project

Returns:

projected y coordinate

valueForY

public static int valueForY(org.eclipse.swt.graphics.Rectangle drawingArea,
                            int y)

Calculate the value represented by an y coordinate in the line chart example.

Parameters:

drawingArea - drawing area as the base for the projection

y - y coordinate

Returns:

the value

draw

public void draw(org.eclipse.swt.graphics.GC gc,
                 org.eclipse.swt.graphics.Rectangle drawingArea,
                 de.jaret.util.ui.timebars.TimeBarViewerDelegate delegate,
                 de.jaret.util.date.Interval interval,
                 boolean selected,
                 boolean printing,
                 boolean overlap)

Specified by:

draw in interface de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

getToolTipText

public java.lang.String getToolTipText(de.jaret.util.date.Interval interval,
                                       org.eclipse.swt.graphics.Rectangle drawingArea,
                                       int x,
                                       int y,
                                       boolean overlapping)

Specified by:

getToolTipText in interface de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

contains

public boolean contains(de.jaret.util.date.Interval interval,
                        org.eclipse.swt.graphics.Rectangle drawingArea,
                        int x,
                        int y,
                        boolean overlapping)

Specified by:

contains in interface de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

getContainingRectangle

public org.eclipse.swt.graphics.Rectangle getContainingRectangle(de.jaret.util.date.Interval interval,
                                                                 org.eclipse.swt.graphics.Rectangle drawingArea,
                                                                 boolean overlapping)

Specified by:

getContainingRectangle in interface de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

createPrintrenderer

public de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer createPrintrenderer(org.eclipse.swt.printing.Printer printer)

Specified by:

createPrintrenderer in interface de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer

dispose

public void dispose()

Specified by:

dispose in interface de.jaret.util.ui.timebars.swt.renderer.TimeBarRenderer