CS2114

Class Widget

java.lang.Object

CS2114.Widget

All Implemented Interfaces:

ClickAction

Direct Known Subclasses:

Button, Shape

public abstract class Widget
extends java.lang.Object
implements ClickAction

Not for direct student use.

Author:

loran

Constructor Summary

Constructors

Constructor and Description
Widget()

Method Summary

Modifier and Type	Method and Description
boolean	collidesWith(Widget w)
boolean	contains(int x, int y) contains() true/false if x,y is inside of the bounds of this widget.
java.awt.Color	getBackgroundColor() gets the background color
java.awt.Rectangle	getBounds() getBounds() return a rectangle containing the bounds around this shape
java.awt.Color	getForegroundColor()
Window	getWindow()
int	getX() Returns the x coordinate of the widget in the coordinate system of the graphics panel.
int	getY() Returns the y coordinate of the widget in the coordinate system of the graphics panel.
void	onClick(Command scl) onClick - third version of this method, this one uses a listener object of type Command.
void	onClick(java.lang.Object object) onClick - sets up the handler for what to do when this button is clicked.
void	onClick(java.lang.Object object, java.lang.String methodName) onClick - another version of callOnClick, this one specifies the method to call in the parameter.
abstract void	remove()
void	repaint()
void	setBackgroundColor(java.awt.Color color) Sets the background color
void	setForegroundColor(java.awt.Color color) Sets the foreground color
void	setX(int x) sets the Widget's location to be at its original y and the new x.
void	setY(int y) sets the Widget's location to be at its original x and the new y.

Methods inherited from class java.lang.Object

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

Constructor Detail

Widget

public Widget()

Method Detail

contains

public boolean contains(int x,
                        int y)

contains() true/false if x,y is inside of the bounds of this widget.

Parameters:

x - the x coordinate of the point

y - the y coordinate of the point

Returns:

true if this component contains the x,y point

collidesWith

public boolean collidesWith(Widget w)

getBounds

public java.awt.Rectangle getBounds()

getBounds() return a rectangle containing the bounds around this shape

Returns:

a Rectangle indicating the component's bounds

getX

public int getX()

Returns the x coordinate of the widget in the coordinate system of the graphics panel.

Returns:

x coordinate of widget

getY

public int getY()

Returns the y coordinate of the widget in the coordinate system of the graphics panel.

Returns:

y coordinate of widget

setX

public void setX(int x)

sets the Widget's location to be at its original y and the new x.

Parameters:

x - the x coordinate of the new location

setY

public void setY(int y)

sets the Widget's location to be at its original x and the new y.

Parameters:

y - the y coordinate of the new location

getForegroundColor

public java.awt.Color getForegroundColor()

Returns:

this Widget's foreground color

setForegroundColor

public void setForegroundColor(java.awt.Color color)

Sets the foreground color

Parameters:

color - Color for the foreground

getBackgroundColor

public java.awt.Color getBackgroundColor()

gets the background color

Returns:

Color of the background

setBackgroundColor

public void setBackgroundColor(java.awt.Color color)

Sets the background color

Parameters:

color - Color for the background

onClick

public void onClick(java.lang.Object object)

Description copied from interface: ClickAction

onClick - sets up the handler for what to do when this button is clicked. This method will call a method named "clicked"+getTitle() (if it exists) in the object. It is the developers responsibility that this object is valid and still exists when the button is clicked. The selection of the method to call occurs when the button is clicked, so changing the title of the button could in effect cause different methods to be called. If there is no method with the name "clicked"+getTitle() when the button is clicked, then the call on click does nothing.

Specified by:

onClick in interface ClickAction

Parameters:

object - receives the call when clicked, must not be null

onClick

public void onClick(java.lang.Object object,
                    java.lang.String methodName)

Description copied from interface: ClickAction

onClick - another version of callOnClick, this one specifies the method to call in the parameter. All the caveats specified

Specified by:

onClick in interface ClickAction

Parameters:

object - receives the call upon click, can't be null

methodName - name of method to be called, can't be null

See Also:

apply. if the method doesn't exist, this will generate an exception (NoSuchMethod).

onClick

public void onClick(Command scl)

Description copied from interface: ClickAction

onClick - third version of this method, this one uses a listener object of type Command.

Specified by:

onClick in interface ClickAction

Parameters:

scl - command object, can't be null

getWindow

public Window getWindow()

remove

public abstract void remove()

repaint

public void repaint()