jcontrol.ui.vole.graph
Class Diagram

java.lang.Object
  jcontrol.ui.vole.Component
      jcontrol.ui.vole.graph.Diagram

public class Diagram
extends Component

This class Diagram.class provides a graphical diagram for JControl.
New values are pushed in from the right side, older values are moved over to the left. Thus, the oldest value shown is the value on the very left.

| __ | maxvalue
|_/ \ /\__|
| \__/ |
|_____________| minvalue

(c) Copyright 2003-2007 DOMOLOGIC GmbH

See Also:

Histogram

Field Summary

static int	ALIGN_LEFT Align the caption to the left side of the diagram
static int	ALIGN_RIGHT Align the caption to the right side of the diagram

Fields inherited from class jcontrol.ui.vole.Component

eventQueue, focusOwner, font, g, height, listener, parent, visible, width, x, y

Constructor Summary

Diagram(int x, int y, int width, int height, int min, int max, int resolution)
Creates a Diagram.

Method Summary

void	paint() Repaints the Diagram.
void	setBounds(int x, int y, int width, int height) Sets a new position and size for the Diagram.
void	setCaption(String captionMin, String captionMax, int captionAlign) Sets a caption text that is displayed for the min and max value at the left of the diagram.
void	setValue(int value) Adds a new value to the Diagram.
boolean	transferFocus() We never gain the input focus.

Methods inherited from class jcontrol.ui.vole.Component

getBounds, getParent, isVisible, onActionEvent, onKeyEvent, remove, removeFocus, requestFocus, setFont, setGraphics, setParent, setVisible, validate

Methods inherited from class java.lang.Object

clone, equals, getClass, notifyAll, toString, wait

Field Detail

ALIGN_LEFT

public static final int ALIGN_LEFT

Align the caption to the left side of the diagram

See Also:

Constant Field Values

ALIGN_RIGHT

public static final int ALIGN_RIGHT

Align the caption to the right side of the diagram

See Also:

Constant Field Values

Constructor Detail

Diagram

public Diagram(int x,
               int y,
               int width,
               int height,
               int min,
               int max,
               int resolution)

Creates a Diagram.

Parameters:

x - The x coordinate.

y - The y coordinate.

width - The width.

height - The height.

min - The minimum value the Diagram will be able to show.

max - The maximum value the Diagram will be able to show.

resolution - The number of blocks that should be shown in the Diagram.

Method Detail

setBounds

public void setBounds(int x,
                      int y,
                      int width,
                      int height)

Sets a new position and size for the Diagram.

Overrides:

setBounds in class Component

Parameters:

x - the new x coordinate

y - the new y coordinate

width - the new width

height - the new height

setCaption

public void setCaption(String captionMin,
                       String captionMax,
                       int captionAlign)

Sets a caption text that is displayed for the min and max value at the left of the diagram.

Parameters:

captionMin - Text to display at the bottom

captionMax - Text to display at the top

captionAlign - ALIGN_LEFT or ALIGN_RIGHT

setValue

public void setValue(int value)

Adds a new value to the Diagram. All existing values are moved over to the left. The oldest value will be lost.

Parameters:

value - the new value to set.

paint

public void paint()

Repaints the Diagram.

Overrides:

paint in class Component

transferFocus

public boolean transferFocus()

We never gain the input focus.

Overrides:

transferFocus in class Component

Returns:

true, if the focus was transferred successfully.