net.xoetrope.swt
Class SwtWidgetAdapter

java.lang.Object
  net.xoetrope.xui.WidgetAdapter
      net.xoetrope.swt.SwtWidgetAdapter

public class SwtWidgetAdapter
extends WidgetAdapter

Adapts the abstract component definition used by the common xui (net.xoetrope.xui) package to the concrete definition of an SWT component.

Copyright (c) Xoetrope Ltd., 1998-2005

License: see license.txt

Field Summary

protected static org.eclipse.swt.widgets.Composite

hiddenPage

Fields inherited from class net.xoetrope.xui.WidgetAdapter

instance

Method Summary

void	add(java.lang.Object container, java.lang.Object comp) Add a component to the container
void	add(java.lang.Object container, java.lang.Object comp, java.lang.Object constraint) Add a component to the container using a layout manager constraint
void	doLayout(java.lang.Object component) Request that the container updates its layout
java.lang.Object	getComponent(java.lang.Object container, int i) Get the child component at a specific index within the container.
int	getComponentCount(java.lang.Object container) Get the number of child components owned by this component, assuming that the component is a container.
java.lang.Object[]	getComponents(java.lang.Object container) Get the children.
int	getHeight(java.lang.Object component) Get the component height
static WidgetAdapter	getInstance() Get an instance of this adapter.
java.lang.Object	getLayout(java.lang.Object component) Get the layout manager used by the container
java.lang.Object	getLocation(java.lang.Object component) Get the location of the component
java.lang.String	getName(java.lang.Object component) Get the name of the object
java.lang.Object	getParent(java.lang.Object component) Get the parent/owner object
java.lang.Object	getSize(java.lang.Object component) Get the size of the component
int	getWidth(java.lang.Object component) Get the component width
int	getX(java.lang.Object component) Get the location of the component's left (X) edge
int	getY(java.lang.Object component) Get the location of the component's top (Y) edge
boolean	isContainer(java.lang.Object container) Check if the component is a container object, that is that it is capable of containing children
boolean	isVisible(java.lang.Object component) Is the component visible?
void	remove(java.lang.Object component, java.lang.Object obj) Remove a component from the container
void	removeAll(java.lang.Object component) Remove all components from the container
void	repaint(java.lang.Object component) Request that the component repaints itself
boolean	requiresParent() Check whether or not constructing an object requires the parent or if an argumentless constructor can be used.
void	setBackground(java.lang.Object component, java.lang.Object c) Set the background color
void	setBounds(java.lang.Object component, int x, int y, int w, int h) Set the current bounds for the component
void	setCursor(java.lang.Object component, java.lang.Object cursor) Set the current cursor for the component
void	setEnabled(java.lang.Object component, boolean b) Set the enabled state of the component
void	setFont(java.lang.Object component, java.lang.Object f) Set the font
void	setForeground(java.lang.Object component, java.lang.Object c) Set the foreground color
static void	setHiddenPage(org.eclipse.swt.widgets.Composite hp) Sets the hidden page to which removed components are moved.
void	setLayout(java.lang.Object component, java.lang.Object lm) Set the layout manager for the container
void	setLocation(java.lang.Object component, int x, int y) Set the current location of the component
void	setMaximumSize(java.lang.Object component, int w, int h) Set the maximum size of the component
void	setMinimumSize(java.lang.Object component, int w, int h) Set the minimum size of the component
void	setName(java.lang.Object component, java.lang.String name) Set the name of the component
void	setPreferredSize(java.lang.Object component, int w, int h) Set the size of the component
void	setSize(java.lang.Object component, int w, int h) Set the size of the component
void	setVisible(java.lang.Object component, boolean state) Set the component visiblity

Methods inherited from class java.lang.Object

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

Field Detail

hiddenPage

protected static org.eclipse.swt.widgets.Composite hiddenPage

Method Detail

setHiddenPage

public static void setHiddenPage(org.eclipse.swt.widgets.Composite hp)

Sets the hidden page to which removed components are moved. SWT does not support removal of components

Parameters:

hp - the hidden page

getInstance

public static WidgetAdapter getInstance()

Get an instance of this adapter. The adapter is itself stateless so only a single instance of the class is required.

Returns:

the adapter instance

getName

public java.lang.String getName(java.lang.Object component)

Get the name of the object

Specified by:

getName in class WidgetAdapter

Parameters:

component - the component instance

Returns:

the name

getComponentCount

public int getComponentCount(java.lang.Object container)

Get the number of child components owned by this component, assuming that the component is a container.

Specified by:

getComponentCount in class WidgetAdapter

Parameters:

container - the container instance

Returns:

the number of children

getComponents

public java.lang.Object[] getComponents(java.lang.Object container)

Get the children. Assumes that the object is a container

Specified by:

getComponents in class WidgetAdapter

Parameters:

container - the container instance

Returns:

an array of the child components

getComponent

public java.lang.Object getComponent(java.lang.Object container,
                                     int i)

Get the child component at a specific index within the container. Assumes that the object is a container

Specified by:

getComponent in class WidgetAdapter

Parameters:

container - the container instance

i - the component index

Returns:

an array of the child components

isVisible

public boolean isVisible(java.lang.Object component)

Is the component visible?

Specified by:

isVisible in class WidgetAdapter

Parameters:

component - the component instance

Returns:

true if the component is visible

setVisible

public void setVisible(java.lang.Object component,
                       boolean state)

Set the component visiblity

Specified by:

setVisible in class WidgetAdapter

Parameters:

component - the component instance

state - true if the component is to be made visible

remove

public void remove(java.lang.Object component,
                   java.lang.Object obj)

Remove a component from the container

Specified by:

remove in class WidgetAdapter

Parameters:

component - the container instance

obj - the component to remove

removeAll

public void removeAll(java.lang.Object component)

Remove all components from the container

Specified by:

removeAll in class WidgetAdapter

Parameters:

component - the container instance

add

public void add(java.lang.Object container,
                java.lang.Object comp)

Add a component to the container

Specified by:

add in class WidgetAdapter

Parameters:

container - the container instance

comp - the component to add

add

public void add(java.lang.Object container,
                java.lang.Object comp,
                java.lang.Object constraint)

Add a component to the container using a layout manager constraint

Specified by:

add in class WidgetAdapter

Parameters:

container - the container instance

comp - the component to add

constraint - the layout constraint

setLayout

public void setLayout(java.lang.Object component,
                      java.lang.Object lm)

Set the layout manager for the container

Specified by:

setLayout in class WidgetAdapter

Parameters:

component - the container instance

lm - the LayoutManager instance

getLayout

public java.lang.Object getLayout(java.lang.Object component)

Get the layout manager used by the container

Specified by:

getLayout in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the LayoutManager instance

doLayout

public void doLayout(java.lang.Object component)

Request that the container updates its layout

Specified by:

doLayout in class WidgetAdapter

Parameters:

component - the container instance

setForeground

public void setForeground(java.lang.Object component,
                          java.lang.Object c)

Set the foreground color

Specified by:

setForeground in class WidgetAdapter

Parameters:

component - the container instance

c - the color

setBackground

public void setBackground(java.lang.Object component,
                          java.lang.Object c)

Set the background color

Specified by:

setBackground in class WidgetAdapter

Parameters:

component - the container instance

c - the color

setFont

public void setFont(java.lang.Object component,
                    java.lang.Object f)

Set the font

Specified by:

setFont in class WidgetAdapter

Parameters:

component - the container instance

f - the font

getSize

public java.lang.Object getSize(java.lang.Object component)

Get the size of the component

Specified by:

getSize in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the size (an instance of the SWT Point) of the object

getParent

public java.lang.Object getParent(java.lang.Object component)

Get the parent/owner object

Specified by:

getParent in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the parent Control

setEnabled

public void setEnabled(java.lang.Object component,
                       boolean b)

Set the enabled state of the component

Specified by:

setEnabled in class WidgetAdapter

Parameters:

component - the container instance

b - true to enable

setCursor

public void setCursor(java.lang.Object component,
                      java.lang.Object cursor)

Set the current cursor for the component

Specified by:

setCursor in class WidgetAdapter

Parameters:

component - the container instance

cursor - the cursor object

setBounds

public void setBounds(java.lang.Object component,
                      int x,
                      int y,
                      int w,
                      int h)

Set the current bounds for the component

Specified by:

setBounds in class WidgetAdapter

Parameters:

component - the container instance

x - the left/x edge coordinates

y - the top/y edge coordinates

w - the width dimension

h - the height dimension

setLocation

public void setLocation(java.lang.Object component,
                        int x,
                        int y)

Set the current location of the component

Specified by:

setLocation in class WidgetAdapter

Parameters:

component - the container instance

x - the left/x edge coordinates

y - the top/y edge coordinates

setSize

public void setSize(java.lang.Object component,
                    int w,
                    int h)

Set the size of the component

Specified by:

setSize in class WidgetAdapter

Parameters:

component - the container instance

w - the width dimension

h - the height dimension

setPreferredSize

public void setPreferredSize(java.lang.Object component,
                             int w,
                             int h)

Set the size of the component

Specified by:

setPreferredSize in class WidgetAdapter

Parameters:

component - the container instance

w - the width dimension

h - the height dimension

setMinimumSize

public void setMinimumSize(java.lang.Object component,
                           int w,
                           int h)

Set the minimum size of the component

Specified by:

setMinimumSize in class WidgetAdapter

Parameters:

component - the container instance

w - the width dimension

h - the height dimension

setMaximumSize

public void setMaximumSize(java.lang.Object component,
                           int w,
                           int h)

Set the maximum size of the component

Specified by:

setMaximumSize in class WidgetAdapter

Parameters:

component - the container instance

w - the width dimension

h - the height dimension

getLocation

public java.lang.Object getLocation(java.lang.Object component)

Get the location of the component

Specified by:

getLocation in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the SWT Point object indicating the location

getX

public int getX(java.lang.Object component)

Get the location of the component's left (X) edge

Specified by:

getX in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the x coordinate

getY

public int getY(java.lang.Object component)

Get the location of the component's top (Y) edge

Specified by:

getY in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the y coordinate

getWidth

public int getWidth(java.lang.Object component)

Get the component width

Specified by:

getWidth in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the width

getHeight

public int getHeight(java.lang.Object component)

Get the component height

Specified by:

getHeight in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the height

setName

public void setName(java.lang.Object component,
                    java.lang.String name)

Set the name of the component

Specified by:

setName in class WidgetAdapter

Parameters:

component - the container instance

name - the new component name

repaint

public void repaint(java.lang.Object component)

Request that the component repaints itself

Specified by:

repaint in class WidgetAdapter

Parameters:

component - the container instance

isContainer

public boolean isContainer(java.lang.Object container)

Check if the component is a container object, that is that it is capable of containing children

Specified by:

isContainer in class WidgetAdapter

Parameters:

container - the container instance

Returns:

true if the object is a container

requiresParent

public boolean requiresParent()

Check whether or not constructing an object requires the parent or if an argumentless constructor can be used.

Specified by:

requiresParent in class WidgetAdapter

Returns:

true if the parent is needed, otherwise false