org.eclipse.swt.widgets
Class Link

java.lang.Object
  org.eclipse.swt.widgets.Widget
      org.eclipse.swt.widgets.Control
          org.eclipse.swt.widgets.Link

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

public class Link
extends org.eclipse.swt.widgets.Control

Instances of this class represent a selectable user interface object that displays a text with links.

Styles:

(none)

Events:

Selection

IMPORTANT: This class is not intended to be subclassed.

Since:

3.1, eRCP 1.3

Field Summary

Fields inherited from class org.eclipse.swt.widgets.Control

handle

Constructor Summary

Link(org.eclipse.swt.widgets.Composite parent, int style)
Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

Method Summary

void	addSelectionListener(org.eclipse.swt.events.SelectionListener listener) Adds the listener to the collection of listeners who will be notified when the control is selected by the user, by sending it one of the messages defined in the SelectionListener interface.
java.lang.String	getText() Returns the receiver's text, which will be an empty string if it has never been set.
void	removeSelectionListener(org.eclipse.swt.events.SelectionListener listener) Removes the listener from the collection of listeners who will be notified when the control is selected by the user.
void	setText(java.lang.String string) Sets the receiver's text.

Methods inherited from class org.eclipse.swt.widgets.Control

addControlListener, addFocusListener, addKeyListener, addListener, addMouseListener, addMouseMoveListener, addPaintListener, addTraverseListener, computeSize, computeSize, forceFocus, getBackground, getBorderWidth, getBounds, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getParent, getShell, getSize, getStyle, getToolTipText, getVisible, internal_dispose_GC, internal_getCommandChildren, internal_isDisposed, internal_isVisible, internal_new_GC, internal_setCommandChildren, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, redraw, redraw, removeControlListener, removeFocusListener, removeKeyListener, removeListener, removeMouseListener, removeMouseMoveListener, removePaintListener, removeTraverseListener, setBackground, setBounds, setBounds, setCapture, setEnabled, setFocus, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setParent, setRedraw, setSize, setSize, setToolTipText, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, update

Methods inherited from class org.eclipse.swt.widgets.Widget

addDisposeListener, dispose, getData, getData, getDisplay, isDisposed, notifyListeners, removeDisposeListener, setData, setData, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Link

public Link(org.eclipse.swt.widgets.Composite parent,
            int style)

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

The style value is either one of the style constants defined in class SWT which is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using the int "|" operator) two or more of those SWT style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.

Parameters:

parent - a composite control which will be the parent of the new instance (cannot be null)

style - the style of control to construct

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the parent is null

org.eclipse.swt.SWTException -

• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
• ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass

See Also:

Widget.checkSubclass(), Widget.getStyle()

Method Detail

addSelectionListener

public void addSelectionListener(org.eclipse.swt.events.SelectionListener listener)

Adds the listener to the collection of listeners who will be notified when the control is selected by the user, by sending it one of the messages defined in the SelectionListener interface.

widgetSelected is called when the control is selected by the user. widgetDefaultSelected is not called.

Parameters:

listener - the listener which should be notified

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the listener is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

See Also:

SelectionListener, removeSelectionListener(org.eclipse.swt.events.SelectionListener), SelectionEvent

removeSelectionListener

public void removeSelectionListener(org.eclipse.swt.events.SelectionListener listener)

Removes the listener from the collection of listeners who will be notified when the control is selected by the user.

Parameters:

listener - the listener which should no longer be notified

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the listener is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

See Also:

SelectionListener, addSelectionListener(org.eclipse.swt.events.SelectionListener)

getText

public java.lang.String getText()

Returns the receiver's text, which will be an empty string if it has never been set.

Returns:

the receiver's text

Throws:

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

See Also:

setText(String)

setText

public void setText(java.lang.String string)

Sets the receiver's text.

The string can contain both regular text and hyperlinks. A hyperlink is delimited by an anchor tag, <A> and </A>. Within an anchor, a single HREF attribute is supported. When a hyperlink is selected, the text field of the selection event contains either the text of the hyperlink or the value of its HREF, if one was specified. In the rare case of identical hyperlinks within the same string, the HREF tag can be used to distinguish between them. The string may include the mnemonic character and line delimiters.

Parameters:

string - the new text

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the text is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver