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java.lang.Object org.eclipse.swt.widgets.Widget org.eclipse.swt.widgets.Control org.eclipse.swt.widgets.Scrollable org.eclipse.swt.widgets.Composite org.eclipse.swt.widgets.DateTime
public class DateTime
Instances of this class are selectable user interface objects that allow the user to enter and modify date or time values.
Note that although this class is a subclass of Composite
, it
does not make sense to add children to it, or set a layout on it.
Note: Only one of the styles DATE, TIME, or CALENDAR may be specified, and only one of the styles SHORT, MEDIUM, or LONG may be specified. The DROP_DOWN style is a HINT, and it is only valid with the DATE style.
IMPORTANT: This class is not intended to be subclassed.
Constructor Summary | |
---|---|
DateTime(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 | ||
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void |
addSelectionListener(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. |
|
Point |
computeSize(int wHint,
int hHint,
boolean changed)
Returns the preferred size of the receiver. |
|
|
getAdapter(java.lang.Class<T> adapter)
Implementation of the Adaptable interface. |
|
int |
getDay()
Returns the receiver's date, or day of the month. |
|
int |
getHours()
Returns the receiver's hours. |
|
int |
getMinutes()
Returns the receiver's minutes. |
|
int |
getMonth()
Returns the receiver's month. |
|
int |
getSeconds()
Returns the receiver's seconds. |
|
int |
getYear()
Returns the receiver's year. |
|
void |
removeSelectionListener(SelectionListener listener)
Removes the listener from the collection of listeners who will be notified when the control is selected by the user. |
|
void |
setBounds(Rectangle bounds)
Sets the receiver's size and location to the rectangular area specified by the argument. |
|
void |
setDate(int year,
int month,
int day)
Sets the receiver's year, month, and day in a single operation. |
|
void |
setDay(int day)
Sets the receiver's date, or day of the month, to the specified day. |
|
void |
setFont(Font font)
Sets the font that the receiver will use to paint textual information to the font specified by the argument, or to the default font for that kind of control if the argument is null. |
|
void |
setHours(int hours)
Sets the receiver's hours. |
|
void |
setMinutes(int minutes)
Sets the receiver's minutes. |
|
void |
setMonth(int month)
Sets the receiver's month. |
|
void |
setSeconds(int seconds)
Sets the receiver's seconds. |
|
void |
setTime(int hours,
int minutes,
int seconds)
Sets the receiver's hours, minutes, and seconds in a single operation. |
|
void |
setYear(int year)
Sets the receiver's year. |
Methods inherited from class org.eclipse.swt.widgets.Composite |
---|
changed, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList |
Methods inherited from class org.eclipse.swt.widgets.Scrollable |
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computeTrim, getClientArea, getHorizontalBar, getVerticalBar |
Methods inherited from class org.eclipse.swt.widgets.Widget |
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addDisposeListener, addListener, checkSubclass, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, 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 DateTime(Composite 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
- SWT.DATE
,
SWT.TIME
,
SWT.CALENDAR
,
Widget.checkSubclass()
,
Widget.getStyle()
Method Detail |
---|
public void addSelectionListener(SelectionListener listener)
SelectionListener
interface.
widgetSelected
is called when the user changes the control's
value. widgetDefaultSelected
is not called.
listener
- the listener which should be notified
java.lang.IllegalArgumentException
- SWTException
- SelectionListener
,
removeSelectionListener(org.eclipse.swt.events.SelectionListener)
,
SelectionEvent
public void removeSelectionListener(SelectionListener listener)
listener
- the listener which should no longer be notified
java.lang.IllegalArgumentException
- SWTException
- SelectionListener
,
addSelectionListener(org.eclipse.swt.events.SelectionListener)
public int getHours()
Hours is an integer between 0 and 23.
SWTException
- public int getMinutes()
Minutes is an integer between 0 and 59.
SWTException
- public int getSeconds()
Seconds is an integer between 0 and 59.
SWTException
- public int getDay()
The first day of the month is 1, and the last day depends on the month and year.
SWTException
- public int getMonth()
The first month of the year is 0, and the last month is 11.
SWTException
- public int getYear()
The first year is 1752 and the last year is 9999.
SWTException
- public void setHours(int hours)
Hours is an integer between 0 and 23.
hours
- an integer between 0 and 23
SWTException
- public void setMinutes(int minutes)
Minutes is an integer between 0 and 59.
minutes
- an integer between 0 and 59
SWTException
- public void setSeconds(int seconds)
Seconds is an integer between 0 and 59.
seconds
- an integer between 0 and 59
SWTException
- public void setDay(int day)
The first day of the month is 1, and the last day depends on the month and year.
day
- a positive integer beginning with 1
SWTException
- public void setMonth(int month)
The first month of the year is 0, and the last month is 11.
month
- an integer between 0 and 11
SWTException
- public void setYear(int year)
The first year is 1752 and the last year is 9999.
year
- an integer between 1752 and 9999
SWTException
- public void setDate(int year, int month, int day)
This is the recommended way to set the date, because setting the year, month, and day separately may result in invalid intermediate dates.
year
- an integer between 1752 and 9999month
- an integer between 0 and 11day
- a positive integer beginning with 1
SWTException
- public void setTime(int hours, int minutes, int seconds)
hours
- an integer between 0 and 23minutes
- an integer between 0 and 59seconds
- an integer between 0 and 59
SWTException
- public void setFont(Font font)
Control
setFont
in class Control
font
- the new font (or null)public <T> T getAdapter(java.lang.Class<T> adapter)
Widget
Adaptable
interface.
IMPORTANT: This method is not part of the RWT public API. It is marked public only so that it can be shared within the packages provided by RWT. It should never be accessed from application code.
getAdapter
in interface Adaptable
getAdapter
in class Composite
adapter
- the lookup class
null
if
there is no adapter associated with the given class.public Point computeSize(int wHint, int hHint, boolean changed)
Control
The preferred size of a control is the size that it would
best be displayed at. The width hint and height hint arguments
allow the caller to ask a control questions such as "Given a particular
width, how high does the control need to be to show all of the contents?"
To indicate that the caller does not wish to constrain a particular
dimension, the constant SWT.DEFAULT
is passed for the hint.
If the changed flag is true
, it indicates that the receiver's
contents have changed, therefore any caches that a layout manager
containing the control may have been keeping need to be flushed. When the
control is resized, the changed flag will be false
, so layout
manager caches can be retained.
computeSize
in class Composite
wHint
- the width hint (can be SWT.DEFAULT
)hHint
- the height hint (can be SWT.DEFAULT
)changed
- true
if the control's contents have changed, and false
otherwise
Layout
,
Control.getBorderWidth()
,
Control.getBounds()
,
Control.getSize()
,
Control.pack(boolean)
,
"computeTrim, getClientArea for controls that implement them"public void setBounds(Rectangle bounds)
Control
x
and
y
fields of the rectangle are relative to
the receiver's parent (or its display if its parent is null).
Note: Attempting to set the width or height of the receiver to a negative number will cause that value to be set to zero instead.
setBounds
in class Control
bounds
- the new bounds for the receiver
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