DateTime

Instances of this class are selectable user interface objects that allow the user to enter and modify date or time values. <p> Note that although this class is a subclass of <code>Composite</code>, it does not make sense to add children to it, or set a layout on it. </p> <dl> <dt><b>Styles:</b></dt> <dd>DATE, TIME, CALENDAR, SHORT, MEDIUM, LONG</dd> <dt><b>Events:</b></dt> <dd>Selection</dd> </dl> <p> 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. </p><p> IMPORTANT: This class is <em>not</em> intended to be subclassed. </p>

@see <a href="http://www.eclipse.org/swt/snippets/#datetime">DateTime snippets</a> @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>

@since 3.3

class DateTime : Composite {
int day;
int month;
int year;
int hours;
int minutes;
int seconds;
int MIN_YEAR;
int MAX_YEAR;
Calendar calendar;
DateFormatSymbols formatSymbols;
Button down;
Button up;
Text text;
String format;
Point[] fieldIndices;
int[] fieldNames;
int fieldCount;
int currentField;
int characterCount;
bool ignoreVerify;
String DEFAULT_SHORT_DATE_FORMAT;
String DEFAULT_MEDIUM_DATE_FORMAT;
String DEFAULT_LONG_DATE_FORMAT;
String DEFAULT_SHORT_TIME_FORMAT;
String DEFAULT_MEDIUM_TIME_FORMAT;
String DEFAULT_LONG_TIME_FORMAT;
}

Constructors

this
this(Composite parent, int style)

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance. <p> The style value is either one of the style constants defined in class <code>SWT</code> which is applicable to instances of this class, or must be built by <em>bitwise OR</em>'ing together (that is, using the <code>int</code> "|" operator) two or more of those <code>SWT</code> style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses. </p>

Members

Functions

addSelectionListener
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 <code>SelectionListener</code> interface. <p> <code>widgetSelected</code> is called when the user changes the control's value. <code>widgetDefaultSelected</code> is not called. </p>

getDay
int getDay()

Returns the receiver's date, or day of the month. <p> The first day of the month is 1, and the last day depends on the month and year. </p>

getHours
int getHours()

Returns the receiver's hours. <p> Hours is an integer between 0 and 23. </p>

getMinutes
int getMinutes()

Returns the receiver's minutes. <p> Minutes is an integer between 0 and 59. </p>

getMonth
int getMonth()

Returns the receiver's month. <p> The first month of the year is 0, and the last month is 11. </p>

getSeconds
int getSeconds()

Returns the receiver's seconds. <p> Seconds is an integer between 0 and 59. </p>

getYear
int getYear()

Returns the receiver's year. <p> The first year is 1752 and the last year is 9999. </p>

removeSelectionListener
void removeSelectionListener(SelectionListener listener)

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

setDate
void setDate(int year, int month, int day)

Sets the receiver's year, month, and day in a single operation. <p> This is the recommended way to set the date, because setting the year, month, and day separately may result in invalid intermediate dates. </p>

setDay
void setDay(int day)

Sets the receiver's date, or day of the month, to the specified day. <p> The first day of the month is 1, and the last day depends on the month and year. </p>

setHours
void setHours(int hours)

Sets the receiver's hours. <p> Hours is an integer between 0 and 23. </p>

setMinutes
void setMinutes(int minutes)

Sets the receiver's minutes. <p> Minutes is an integer between 0 and 59. </p>

setMonth
void setMonth(int month)

Sets the receiver's month. <p> The first month of the year is 0, and the last month is 11. </p>

setSeconds
void setSeconds(int seconds)

Sets the receiver's seconds. <p> Seconds is an integer between 0 and 59. </p>

setTime
void setTime(int hours, int minutes, int seconds)

Sets the receiver's hours, minutes, and seconds in a single operation.

setYear
void setYear(int year)

Sets the receiver's year. <p> The first year is 1752 and the last year is 9999. </p>

Inherited Members

From Composite

changed
void changed(Control[] changed)

Clears any data that has been cached by a Layout for all widgets that are in the parent hierarchy of the changed control up to and including the receiver. If an ancestor does not have a layout, it is skipped.

getBackgroundMode
int getBackgroundMode()

Returns the receiver's background drawing mode. This will be one of the following constants defined in class <code>SWT</code>: <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, <code>INHERTIT_FORCE</code>.

getChildren
Control[] getChildren()

Returns a (possibly empty) array containing the receiver's children. Children are returned in the order that they are drawn. The topmost control appears at the beginning of the array. Subsequent controls draw beneath this control and appear later in the array. <p> Note: This is not the actual structure used by the receiver to maintain its list of children, so modifying the array will not affect the receiver. </p>

getLayout
Layout getLayout()

Returns layout which is associated with the receiver, or null if one has not been set.

getLayoutDeferred
bool getLayoutDeferred()

Returns <code>true</code> if the receiver has deferred the performing of layout, and <code>false</code> otherwise.

getTabList
Control[] getTabList()

Gets the (possibly empty) tabbing order for the control.

isLayoutDeferred
bool isLayoutDeferred()

Returns <code>true</code> if the receiver or any ancestor up to and including the receiver's nearest ancestor shell has deferred the performing of layouts. Otherwise, <code>false</code> is returned.

layout
void layout()

If the receiver has a layout, asks the layout to <em>lay out</em> (that is, set the size and location of) the receiver's children. If the receiver does not have a layout, do nothing. <p> This is equivalent to calling <code>layout(true)</code>. </p> <p> Note: Layout is different from painting. If a child is moved or resized such that an area in the parent is exposed, then the parent will paint. If no child is affected, the parent will not paint. </p>

layout
void layout(bool changed)

If the receiver has a layout, asks the layout to <em>lay out</em> (that is, set the size and location of) the receiver's children. If the argument is <code>true</code> the layout must not rely on any information it has cached about the immediate children. If it is <code>false</code> the layout may (potentially) optimize the work it is doing by assuming that none of the receiver's children has changed state since the last layout. If the receiver does not have a layout, do nothing. <p> If a child is resized as a result of a call to layout, the resize event will invoke the layout of the child. The layout will cascade down through all child widgets in the receiver's widget tree until a child is encountered that does not resize. Note that a layout due to a resize will not flush any cached information (same as <code>layout(false)</code>). </p> <p> Note: Layout is different from painting. If a child is moved or resized such that an area in the parent is exposed, then the parent will paint. If no child is affected, the parent will not paint. </p>

layout
void layout(bool changed, bool all)

If the receiver has a layout, asks the layout to <em>lay out</em> (that is, set the size and location of) the receiver's children. If the changed argument is <code>true</code> the layout must not rely on any information it has cached about its children. If it is <code>false</code> the layout may (potentially) optimize the work it is doing by assuming that none of the receiver's children has changed state since the last layout. If the all argument is <code>true</code> the layout will cascade down through all child widgets in the receiver's widget tree, regardless of whether the child has changed size. The changed argument is applied to all layouts. If the all argument is <code>false</code>, the layout will <em>not</em> cascade down through all child widgets in the receiver's widget tree. However, if a child is resized as a result of a call to layout, the resize event will invoke the layout of the child. Note that a layout due to a resize will not flush any cached information (same as <code>layout(false)</code>). </p> <p> Note: Layout is different from painting. If a child is moved or resized such that an area in the parent is exposed, then the parent will paint. If no child is affected, the parent will not paint. </p>

layout
void layout(Control[] changed)

Forces a lay out (that is, sets the size and location) of all widgets that are in the parent hierarchy of the changed control up to and including the receiver. The layouts in the hierarchy must not rely on any information cached about the changed control or any of its ancestors. The layout may (potentially) optimize the work it is doing by assuming that none of the peers of the changed control have changed state since the last layout. If an ancestor does not have a layout, skip it. <p> Note: Layout is different from painting. If a child is moved or resized such that an area in the parent is exposed, then the parent will paint. If no child is affected, the parent will not paint. </p>

setBackgroundMode
void setBackgroundMode(int mode)

Sets the background drawing mode to the argument which should be one of the following constants defined in class <code>SWT</code>: <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, <code>INHERIT_FORCE</code>.

setLayout
void setLayout(Layout layout)

Sets the layout which is associated with the receiver to be the argument which may be null.

setLayoutDeferred
void setLayoutDeferred(bool defer)

If the argument is <code>true</code>, causes subsequent layout operations in the receiver or any of its children to be ignored. No layout of any kind can occur in the receiver or any of its children until the flag is set to false. Layout operations that occurred while the flag was <code>true</code> are remembered and when the flag is set to <code>false</code>, the layout operations are performed in an optimized manner. Nested calls to this method are stacked.

setTabList
void setTabList(Control[] tabList)

Sets the tabbing order for the specified controls to match the order that they occur in the argument list.

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