project/xyylMCWEACSystem/cdateedit.cpp

188 lines
3.7 KiB
C++

#include "CDateEdit.h"
class CDateEdit::Private {
public:
Private(CDateEdit* qq) : q(qq), null(false), nullable(false) {}
CDateEdit* const q;
bool null;
bool nullable;
void setNull(bool n) {
null = n;
if (null) {
QLineEdit *edit = q->findChild<QLineEdit*>("qt_spinbox_lineedit");
if (!edit->text().isEmpty()) {
edit->clear();
}
}
}
};
CDateEdit::CDateEdit(QWidget *parent) :
QDateEdit(parent), d(new Private(this))
{
}
QDateTime CDateEdit::dateTime() const
{
if (d->nullable && d->null) {
return QDateTime();
}
else {
return QDateEdit::dateTime();
}
}
QDate CDateEdit::date() const
{
if (d->nullable && d->null) {
return QDate();
}
else {
return QDateEdit::date();
}
}
QTime CDateEdit::time() const
{
if (d->nullable && d->null) {
return QTime();
}
else {
return QDateEdit::time();
}
}
void CDateEdit::setDateTime(const QDateTime &dateTime)
{
if (d->nullable && !dateTime.isValid()) {
d->setNull(true);
}
else {
d->setNull(false);
QDateEdit::setDateTime(dateTime);
}
}
void CDateEdit::setDate(const QDate &date)
{
if (d->nullable && !date.isValid()) {
d->setNull(true);
}
else {
d->setNull(false);
QDateEdit::setDate(date);
}
}
void CDateEdit::setTime(const QTime &time)
{
if (d->nullable && !time.isValid()) {
d->setNull(true);
}
else {
d->setNull(false);
QDateEdit::setTime(time);
}
}
bool CDateEdit::isNullable() const
{
return d->nullable;
}
void CDateEdit::setNullDatetime()
{
d->setNull(true);
}
void CDateEdit::setNullable(bool enable)
{
d->nullable = enable;
update();
}
QSize CDateEdit::sizeHint() const
{
const QSize sz = QDateEdit::sizeHint();
return QSize(sz.width() + 3, sz.height());
}
QSize CDateEdit::minimumSizeHint() const
{
const QSize sz = QDateEdit::minimumSizeHint();
return QSize(sz.width() + 3, sz.height());
}
void CDateEdit::showEvent(QShowEvent *event)
{
QDateEdit::showEvent(event);
d->setNull(d->null);
}
void CDateEdit::resizeEvent(QResizeEvent *event)
{
QDateEdit::resizeEvent(event);
}
void CDateEdit::paintEvent(QPaintEvent *event)
{
d->setNull(d->null);
QDateEdit::paintEvent(event);
}
void CDateEdit::keyPressEvent(QKeyEvent *event)
{
if (d->nullable &&
(event->key() >= Qt::Key_0) &&
(event->key() <= Qt::Key_9) &&
d->null) {
setDateTime(QDateTime::currentDateTime());
}
if (event->key() == Qt::Key_Tab && d->nullable && d->null) {
QAbstractSpinBox::keyPressEvent(event);
return;
}
if (event->key() == Qt::Key_Backspace && d->nullable){
QLineEdit *edit = this->findChild<QLineEdit *>("qt_spinbox_lineedit");
if (edit->selectedText() == edit->text()) {
setDateTime(QDateTime());
event->accept();
return;
}
}
QDateEdit::keyPressEvent(event);
}
void CDateEdit::mousePressEvent(QMouseEvent *event)
{
bool saveNull = d->null;
QDateEdit::mousePressEvent(event);
if (d->nullable && saveNull && calendarWidget()->isVisible()) {
setDateTime(QDateTime::currentDateTime());
}
}
bool CDateEdit::focusNextPrevChild(bool next)
{
if (d->nullable && d->null){
return QAbstractSpinBox::focusNextPrevChild(next);
}
else {
return QDateEdit::focusNextPrevChild(next);
}
}
QValidator::State CDateEdit::validate(QString &input, int &pos) const
{
if (d->nullable && d->null){
return QValidator::Acceptable;
}
return QDateEdit::validate(input, pos);
}