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39
40 #include "qquickrangeddate_p.h"
41
42 QT_BEGIN_NAMESPACE
43
44 // JavaScript Date > QDate conversion is not correct for large negative dates.
45 Q_GLOBAL_STATIC_WITH_ARGS(const QDate, jsMinimumDate, (1, 1, 1))
46 Q_GLOBAL_STATIC_WITH_ARGS(const QDate, jsMaximumDate, (275759, 10, 25))
47
QQuickRangedDate1()48 QQuickRangedDate1::QQuickRangedDate1() :
49 QObject(0),
50 mDate(QDateTime::currentDateTime()),
51 mMinimumDate(*jsMinimumDate),
52 mMaximumDate(*jsMaximumDate)
53 {
54 }
55
56 /*! \internal
57 \qmlproperty date QQuickRangedDate::date
58 */
setDate(const QDateTime & date)59 void QQuickRangedDate1::setDate(const QDateTime &date)
60 {
61 if (date == mDate)
62 return;
63
64 const QDate tmpDate = date.date();
65 if (tmpDate < mMinimumDate) {
66 mDate = minimumDate();
67 } else if (tmpDate > mMaximumDate) {
68 mDate = maximumDate();
69 } else {
70 mDate = date;
71 }
72
73 emit dateChanged();
74 }
75
76 /*! \internal
77 \qmlproperty date QQuickRangedDate::minimumDate
78 */
setMinimumDate(const QDateTime & minDate)79 void QQuickRangedDate1::setMinimumDate(const QDateTime &minDate)
80 {
81 const QDate tmpDate = minDate.date();
82 if (tmpDate == mMinimumDate)
83 return;
84
85 mMinimumDate = qMax(tmpDate, *jsMinimumDate);
86 emit minimumDateChanged();
87
88 // If the new minimumDate makes date invalid, clamp date to it.
89 if (mDate < minimumDate()) {
90 mDate = minimumDate();
91 emit dateChanged();
92 }
93 }
94
95 /*! \internal
96 \qmlproperty date QQuickRangedDate::maximumDate
97 */
setMaximumDate(const QDateTime & maxDate)98 void QQuickRangedDate1::setMaximumDate(const QDateTime &maxDate)
99 {
100 const QDate tmpDate = maxDate.date();
101 if (tmpDate == mMaximumDate)
102 return;
103
104 // If the new maximumDate is smaller than minimumDate, clamp maximumDate to it.
105 // If the new maximumDate is larger than jsMaximumDate, also clamp it.
106 mMaximumDate = tmpDate < mMinimumDate ? mMinimumDate : qMin(tmpDate, *jsMaximumDate);
107 emit maximumDateChanged();
108
109 // If the new maximumDate makes the date invalid, clamp it.
110 if (mDate > maximumDate()) {
111 mDate = maximumDate();
112 emit dateChanged();
113 }
114 }
115
116 QT_END_NAMESPACE
117