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java.lang.Object org.eclipse.swt.widgets.Widget org.eclipse.swt.widgets.Item org.eclipse.swt.widgets.ExpandItem
public class ExpandItem
Instances of this class represent a selectable user interface object that represents a expandable item in a expand bar.
IMPORTANT: This class is not intended to be subclassed.
ExpandBar
Constructor Summary | |
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ExpandItem(ExpandBar parent,
int style)
Constructs a new instance of this class given its parent and a style value describing its behavior and appearance. |
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ExpandItem(ExpandBar parent,
int style,
int index)
Constructs a new instance of this class given its parent, a style value describing its behavior and appearance, and the index at which to place it in the items maintained by its parent. |
Method Summary | |
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void |
dispose()
Disposes of the operating system resources associated with the receiver and all its descendents. |
Control |
getControl()
Returns the control that is shown when the item is expanded. |
boolean |
getExpanded()
Returns true if the receiver is expanded, and false
otherwise. |
int |
getHeaderHeight()
Returns the height of the receiver's header |
int |
getHeight()
Gets the height of the receiver. |
ExpandBar |
getParent()
Returns the receiver's parent, which must be a ExpandBar . |
void |
setControl(Control control)
Sets the control that is shown when the item is expanded. |
void |
setExpanded(boolean expanded)
Sets the expanded state of the receiver. |
void |
setHeight(int height)
Sets the height of the receiver. |
void |
setImage(Image image)
Sets the receiver's image to the argument, which may be null indicating that no image should be displayed. |
void |
setText(java.lang.String string)
Sets the receiver's text. |
Methods inherited from class org.eclipse.swt.widgets.Item |
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getImage, getText |
Methods inherited from class org.eclipse.swt.widgets.Widget |
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addDisposeListener, addListener, checkSubclass, checkWidget, getAdapter, getData, getData, getDisplay, getListeners, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ExpandItem(ExpandBar parent, int style)
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.
parent
- a composite control which will be the parent of the new
instance (cannot be null)style
- the style of control to construct
java.lang.IllegalArgumentException
- SWTException
- Widget.checkSubclass()
,
Widget.getStyle()
public ExpandItem(ExpandBar parent, int style, int index)
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.
parent
- a composite control which will be the parent of the new
instance (cannot be null)style
- the style of control to constructindex
- the zero-relative index to store the receiver in its parent
java.lang.IllegalArgumentException
- SWTException
- Widget.checkSubclass()
,
Widget.getStyle()
Method Detail |
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public void dispose()
Widget
true
when sent the message isDisposed()
.
Any internal connections between the widgets in the tree will
have been removed to facilitate garbage collection.
NOTE: This method is not called recursively on the descendents
of the receiver. This means that, widget implementers can not
detect when a widget is being disposed of by re-implementing
this method, but should instead listen for the Dispose
event.
dispose
in class Widget
Widget.addDisposeListener(org.eclipse.swt.events.DisposeListener)
,
Widget.removeDisposeListener(org.eclipse.swt.events.DisposeListener)
,
Widget.checkWidget()
public Control getControl()
null
.
SWTException
- public boolean getExpanded()
true
if the receiver is expanded, and false
otherwise.
SWTException
- public int getHeaderHeight()
SWTException
- public int getHeight()
SWTException
- public ExpandBar getParent()
ExpandBar
.
SWTException
- public void setControl(Control control)
control
- the new control (or null)
java.lang.IllegalArgumentException
- SWTException
- public void setExpanded(boolean expanded)
expanded
- the new expanded state
SWTException
- public void setHeight(int height)
height
- the new height
SWTException
- public void setImage(Image image)
Item
setImage
in class Item
image
- the image to display on the receiver (may be null)public void setText(java.lang.String string)
Item
setText
in class Item
string
- the new text
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