com.webcab.beans.newchart
Class Pie

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Canvas
              |
              +--com.webcab.beans.newchart.Pie

All Implemented Interfaces:

Accessible, ActionListener, ComponentListener, EventListener, ImageObserver, MenuContainer, MouseListener, MouseMotionListener, Serializable

public class Pie

extends Canvas

implements Serializable, MouseListener, ComponentListener, MouseMotionListener, ActionListener

Author:

WebCab Components

See Also:

Serialized Form

Field Summary

static int	ASCENDING_LABELS This value indicates that the components will be sorted ascending acording to their labels.
static int	ASCENDING_VALUES This value indicates that the components will be sorted ascending acording to their values.
static int	BOTTOM_CENTER This value indicates that the background image is centered to the lower line.
static int	BOTTOM_LEFT This value indicates that the background image is aligned to the lower left corner.
static int	BOTTOM_RIGHT This value indicates that the background image is aligned to the lower right corner.
static int	DESCENDING_LABELS This value indicates that the components will be sorted descending acording to their labels.
static int	DESCENDING_VALUES This value indicates that the components will be sorted descending acording to their values.
static int	INVERTED_ORIGINAL This value indicates that the components will be in the inverted original order.
static int	MIDDLE_CENTER This value indicates that the background image is centered on the middle line.
static int	MIDDLE_LEFT This value indicates that the background image is aligned to the left end of the middle line.
static int	MIDDLE_RIGHT This value indicates that the background image is aligned to the right end of the middle line.
static int	ORIGINAL_ORDER This value indicates that the components will return to the original order maintaining custom colors.
static int	PIE_CHART Ease-of-use constant for setType.
static int	PIE_CHART_3D Ease-of-use constant for setType.
static int	RESET This value indicates that the components will return to the original order and colors.
static int	STRECHED This value indicates that the background image is streched.
static int	TILED This value indicates that the background image is tiled.
static int	TOP_CENTER This value indicates that the background image is centered on the upper line.
static int	TOP_LEFT This value indicates that the background image is aligned to the upper left corner.
static int	TOP_RIGHT This value indicates that the background image is aligned to the upper right corner.
static int	TORUS_CHART Ease-of-use constant for setType.

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Pie()
This is the non-zero constructor required by the java.beans.Bean class in order to instantiate the bean.

Method Summary

void	actionPerformed(ActionEvent e)
void	componentHidden(ComponentEvent e)
void	componentMoved(ComponentEvent e)
void	componentResized(ComponentEvent e)
void	componentShown(ComponentEvent e)
boolean	getAntialias() Returns true if antilaias is used while drawing.
Color	getBackground() Gets the background color.
int	getDepth() Gets the depth of 3D perspective charts.
boolean	getDisplayGrid() Returns true if a grid is shown.
boolean	getDisplayImage() Returns true if an image is used as background.
boolean	getDisplayValues() Returns true if the values are displayed.
Font	getFont() Gets the current font.
Color	getForeground() Gets the foreground color.
Color	getGridColor() Gets the grid's color.
int	getGridThickness() Gets the current grid thickness.
String	getImageUrl() Gets the string representation of the URL where to find the background image.
boolean	getInteractive() Returns true if the program responds to mouse clicks.
String	getJDBCDriver() Gets the current JDBC driver.
String	getJDBCPassword() Gets the current JDBC password.
String	getJDBCQuery() Gets the current JDBC query.
String	getJDBCUrl() Gets the current JDBC URL.
String	getJDBCUser() Gets the current JDBC user.
boolean	getLight() Returns true if a light effect is used.
Dimension	getMinimumSize()
String	getNameOfPie() Gets the name of the chart.
int	getSpace() Gets the space (in pixels) between the chart and the edge of the viewable area.
int	getTransparency() Returns the transparency level.
int	getType() Gets the type of chart displayed on the screen.
int	getTypeOfImage() Gets the type of image alignament.
boolean	getUseRandomColors() Returns true if custom colors are used.
void	mouseClicked(MouseEvent e)
void	mouseDragged(MouseEvent e)
void	mouseEntered(MouseEvent e)
void	mouseExited(MouseEvent e)
void	mouseMoved(MouseEvent e)
void	mousePressed(MouseEvent e)
void	mouseReleased(MouseEvent e)
void	paint(Graphics g)
void	setAntialias(boolean b) Sets whether antialias is used while drawing.
void	setBackground(Color color) Sets the background color.
void	setDepth(int value) Sets the depth of 3D charts.
void	setDisplayGrid(boolean b) Sets whether a grid is shown.
void	setDisplayImage(boolean b) Sets whether an image should be used as background.
void	setDisplayValues(boolean b) Sets whether the values are displayed.
void	setFont(Font f) Sets the font to write with.
void	setForeground(Color color) Sets the foreground color (it is used as text color).
void	setGridColor(Color color) Sets the grid's color.
void	setGridThickness(int value) Sets the grid thickness value.
void	setImageUrl(String url) Sets the string representation of the URL where the program should find an valid image to use as background.
void	setInteractive(boolean b) Sets whether the program should respond to users's mouse clicks or not.
void	setJDBCDriver(String driver) This method only sends a new driver to the JavaBeans component.
void	setJDBCPassword(String value) This method only registers this password as the next password to use when sending the next query.
void	setJDBCQuery(String query) This method tries to send the specified query to the JDBC server (as previously registered with the setJDBCDriver and the setJDBCUrl methods.
void	setJDBCUrl(String url) This method only registers this url as the next url to use when sending the next query.
void	setJDBCUser(String value) This method only registers this user as the next user to use when sending the next query.
void	setLight(boolean b) Sets whether a light effect is used when drawing the charts that uses 3D prospective.
void	setNameOfPie(String name) Sets the name of the chart.
void	setSpace(int value) Sets the space (in pixels) between the chart and the edge of the viewable area.
void	setTransparency(int value) Sets the transparency level from 0 (opaque) to 100.
void	setType(int type) Sets the type of chart that should be displayed.
void	setTypeOfImage(int type) Sets the type of alignament for the image used as background.
void	setUseRandomColors(boolean b) Sets whether a custom colors will be used.
void	update(Graphics g)

Methods inherited from class java.awt.Canvas

addNotify, getAccessibleContext

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, contains, contains, createImage, createImage, deliverEvent, disable, dispatchEvent, doLayout, enable, enable, enableInputMethods, getAlignmentX, getAlignmentY, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentOrientation, getCursor, getDropTarget, getFontMetrics, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getName, getParent, getPeer, getPreferredSize, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, validate

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TOP_LEFT

public static final int TOP_LEFT

This value indicates that the background image is aligned to the upper left corner.

TOP_CENTER

public static final int TOP_CENTER

This value indicates that the background image is centered on the upper line.

TOP_RIGHT

public static final int TOP_RIGHT

This value indicates that the background image is aligned to the upper right corner.

MIDDLE_LEFT

public static final int MIDDLE_LEFT

This value indicates that the background image is aligned to the left end of the middle line.

MIDDLE_CENTER

public static final int MIDDLE_CENTER

This value indicates that the background image is centered on the middle line.

MIDDLE_RIGHT

public static final int MIDDLE_RIGHT

This value indicates that the background image is aligned to the right end of the middle line.

BOTTOM_LEFT

public static final int BOTTOM_LEFT

This value indicates that the background image is aligned to the lower left corner.

BOTTOM_CENTER

public static final int BOTTOM_CENTER

This value indicates that the background image is centered to the lower line.

BOTTOM_RIGHT

public static final int BOTTOM_RIGHT

This value indicates that the background image is aligned to the lower right corner.

TILED

public static final int TILED

This value indicates that the background image is tiled.

STRECHED

public static final int STRECHED

This value indicates that the background image is streched.

RESET

public static final int RESET

This value indicates that the components will return to the original order and colors.

ASCENDING_VALUES

public static final int ASCENDING_VALUES

This value indicates that the components will be sorted ascending acording to their values.

DESCENDING_VALUES

public static final int DESCENDING_VALUES

This value indicates that the components will be sorted descending acording to their values.

ASCENDING_LABELS

public static final int ASCENDING_LABELS

This value indicates that the components will be sorted ascending acording to their labels.

DESCENDING_LABELS

public static final int DESCENDING_LABELS

This value indicates that the components will be sorted descending acording to their labels.

ORIGINAL_ORDER

public static final int ORIGINAL_ORDER

This value indicates that the components will return to the original order maintaining custom colors.

INVERTED_ORIGINAL

public static final int INVERTED_ORIGINAL

This value indicates that the components will be in the inverted original order.

PIE_CHART

public static final int PIE_CHART

Ease-of-use constant for setType.

PIE_CHART_3D

public static final int PIE_CHART_3D

Ease-of-use constant for setType.

TORUS_CHART

public static final int TORUS_CHART

Ease-of-use constant for setType.

Constructor Detail

Pie

public Pie()

This is the non-zero constructor required by the java.beans.Bean class in order to instantiate the bean.

Method Detail

setType

public void setType(int type)

Sets the type of chart that should be displayed. Predefined constants can be used to select the type or the following values:

• 0 - Pie Chart
• 1 - Pie Chart in a 3D prospective
• 2 - Torus Chart

Parameters:

type - the type of chart.

getType

public int getType()

Gets the type of chart displayed on the screen.

setNameOfPie

public void setNameOfPie(String name)

Sets the name of the chart. The name of the chart can be dragged with the mouse to any position.

Parameters:

name - the string to use as name of the chart.

getNameOfPie

public String getNameOfPie()

Gets the name of the chart.

setDepth

public void setDepth(int value)

Sets the depth of 3D charts.

Parameters:

value - the number of pixels.

getDepth

public int getDepth()

Gets the depth of 3D perspective charts.

setTypeOfImage

public void setTypeOfImage(int type)

Sets the type of alignament for the image used as background. Predefined constants can be used to select the type or the following values:

• 0 - Top left
• 1 - Top center
• 2 - Top right
• 3 - Midle left
• 4 - Midle center
• 5 - Midle right
• 6 - Bottom left
• 7 - Bottom center
• 8 - Bottom right
• 9 - Tiled
• 10 - Streched

Parameters:

type - the type of alignament.

getTypeOfImage

public int getTypeOfImage()

Gets the type of image alignament.

See Also:

setTypeOfImage(int)

setSpace

public void setSpace(int value)

Sets the space (in pixels) between the chart and the edge of the viewable area.

Parameters:

value - the space between the chart and the clossest edge.

getSpace

public int getSpace()

Gets the space (in pixels) between the chart and the edge of the viewable area.

setBackground

public void setBackground(Color color)

Sets the background color.

Overrides:

setBackground in class Component

getBackground

public Color getBackground()

Gets the background color.

Overrides:

getBackground in class Component

setDisplayImage

public void setDisplayImage(boolean b)

Sets whether an image should be used as background.

Parameters:

b - true if an image is used as background; false otherwise.

See Also:

setImageUrl(java.lang.String)

getDisplayImage

public boolean getDisplayImage()

Returns true if an image is used as background.

See Also:

setDisplayImage(boolean)

setGridThickness

public void setGridThickness(int value)

Sets the grid thickness value.

Parameters:

value - the grid thickness.

getGridThickness

public int getGridThickness()

Gets the current grid thickness.

setDisplayValues

public void setDisplayValues(boolean b)

Sets whether the values are displayed.

Parameters:

b - true if the values are displayed; false otherwise.

getDisplayValues

public boolean getDisplayValues()

Returns true if the values are displayed.

setFont

public void setFont(Font f)

Sets the font to write with. This is the font to write all the texts on the screen.

Overrides:

setFont in class Component

Parameters:

f - the font to write with.

getFont

public Font getFont()

Gets the current font.

Overrides:

getFont in class Component

setDisplayGrid

public void setDisplayGrid(boolean b)

Sets whether a grid is shown.

Parameters:

b - true if a grid is shown; false otherwise.

getDisplayGrid

public boolean getDisplayGrid()

Returns true if a grid is shown.

setImageUrl

public void setImageUrl(String url)

Sets the string representation of the URL where the program should find an valid image to use as background. Valid image types are: JPEG, GIF, PNG.

Parameters:

url - the string representation of URL where to download the image used as background.

See Also:

setDisplayImage(boolean)

getImageUrl

public String getImageUrl()

Gets the string representation of the URL where to find the background image.

setGridColor

public void setGridColor(Color color)

Sets the grid's color. If a grid is shown this is the color to use to draw it.

Parameters:

color - the color to be used.

getGridColor

public Color getGridColor()

Gets the grid's color.

setForeground

public void setForeground(Color color)

Sets the foreground color (it is used as text color).

Overrides:

setForeground in class Component

Parameters:

color - the color to be used.

getForeground

public Color getForeground()

Gets the foreground color.

Overrides:

getForeground in class Component

setAntialias

public void setAntialias(boolean b)

Sets whether antialias is used while drawing.

Parameters:

a - true if antialias is used; false othwerwise.

getAntialias

public boolean getAntialias()

Returns true if antilaias is used while drawing.

setTransparency

public void setTransparency(int value)

Sets the transparency level from 0 (opaque) to 100.

Parameters:

value - the transparency level.

getTransparency

public int getTransparency()

Returns the transparency level.

setLight

public void setLight(boolean b)

Sets whether a light effect is used when drawing the charts that uses 3D prospective.

Parameters:

b - true if a light effect is used; false otherwise.

getLight

public boolean getLight()

Returns true if a light effect is used.

setUseRandomColors

public void setUseRandomColors(boolean b)

Sets whether a custom colors will be used.

Parameters:

b - true if custom colors are used; false otherwise.

getUseRandomColors

public boolean getUseRandomColors()

Returns true if custom colors are used.

setInteractive

public void setInteractive(boolean b)

Sets whether the program should respond to users's mouse clicks or not. This is usefull to protect a certain layout of the elements of the chart.

Parameters:

b - true if the program will respond to mouse clicks; false otherwise.

getInteractive

public boolean getInteractive()

Returns true if the program responds to mouse clicks.

actionPerformed

public void actionPerformed(ActionEvent e)

Specified by:

actionPerformed in interface ActionListener

componentHidden

public void componentHidden(ComponentEvent e)

Specified by:

componentHidden in interface ComponentListener

componentMoved

public void componentMoved(ComponentEvent e)

Specified by:

componentMoved in interface ComponentListener

componentShown

public void componentShown(ComponentEvent e)

Specified by:

componentShown in interface ComponentListener

componentResized

public void componentResized(ComponentEvent e)

Specified by:

componentResized in interface ComponentListener

mouseMoved

public void mouseMoved(MouseEvent e)

Specified by:

mouseMoved in interface MouseMotionListener

mouseDragged

public void mouseDragged(MouseEvent e)

Specified by:

mouseDragged in interface MouseMotionListener

mousePressed

public void mousePressed(MouseEvent e)

Specified by:

mousePressed in interface MouseListener

mouseEntered

public void mouseEntered(MouseEvent e)

Specified by:

mouseEntered in interface MouseListener

mouseExited

public void mouseExited(MouseEvent e)

Specified by:

mouseExited in interface MouseListener

mouseClicked

public void mouseClicked(MouseEvent e)

Specified by:

mouseClicked in interface MouseListener

mouseReleased

public void mouseReleased(MouseEvent e)

Specified by:

mouseReleased in interface MouseListener

setJDBCDriver

public void setJDBCDriver(String driver)

This method only sends a new driver to the JavaBeans component. It will not take effect until a new query is sent to the JDBC server.

setJDBCUrl

public void setJDBCUrl(String url)

This method only registers this url as the next url to use when sending the next query. It will not take effect until the setJDBCQuery method is actually run.

setJDBCQuery

public void setJDBCQuery(String query)

This method tries to send the specified query to the JDBC server (as previously registered with the setJDBCDriver and the setJDBCUrl methods. It requires that the query return a ResultSet containing such: 1. double (the x coordinate) 2. double (the y coordinate)

The method will not throw an exception, instead it will print its stack-trace. Please send a request if you wish it to be in any other way.

getJDBCDriver

public String getJDBCDriver()

Gets the current JDBC driver.

getJDBCUrl

public String getJDBCUrl()

Gets the current JDBC URL.

getJDBCQuery

public String getJDBCQuery()

Gets the current JDBC query.

setJDBCUser

public void setJDBCUser(String value)

This method only registers this user as the next user to use when sending the next query. It will not take effect until the setJDBCQuery method is actually run.

getJDBCUser

public String getJDBCUser()

Gets the current JDBC user.

setJDBCPassword

public void setJDBCPassword(String value)

This method only registers this password as the next password to use when sending the next query. It will not take effect until the setJDBCQuery method is actually run.

getJDBCPassword

public String getJDBCPassword()

Gets the current JDBC password.

paint

public void paint(Graphics g)

Overrides:

paint in class Canvas

getMinimumSize

public Dimension getMinimumSize()

Overrides:

getMinimumSize in class Component

update

public void update(Graphics g)

Overrides:

update in class Component