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flutter_custom_calendar
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支持显示月视图和周视图的情况，优先显示周视图，MODE_SHOW_WEEK_AND_MONTH

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develop^2
LXD312569496 5 years ago committed by xiaodong
parent 083abc01ca
commit 389ce46a29
5 changed files with 32 additions and 22 deletions
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3
lib/calendar_provider.dart
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@ -110,7 +110,8 @@ class CalendarProvider extends ChangeNotifier {
? selectDateModel
: DateModel.fromDateTime(DateTime.now())
..day = 15;
if (calendarConfiguration.showMode == Constants.MODE_SHOW_ONLY_WEEK) {
if (calendarConfiguration.showMode == Constants.MODE_SHOW_ONLY_WEEK ||
calendarConfiguration.showMode == Constants.MODE_SHOW_WEEK_AND_MONTH) {
expandStatus = ValueNotifier(false);
} else {
expandStatus = ValueNotifier(true);

3
lib/constants/constants.dart
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@ -7,7 +7,8 @@ class Constants {
//展示模式
static const int MODE_SHOW_ONLY_MONTH=1;//仅支持月视图
static const int MODE_SHOW_ONLY_WEEK=2;//仅支持星期视图
static const int MODE_SHOW_WEEK_AND_MONTH=3;//支持月和星期视图切换
static const int MODE_SHOW_WEEK_AND_MONTH=3;//支持两种视图，先显示周视图
static const int MODE_SHOW_MONTH_AND_WEEK=4;//支持两种视图，先显示月视图
/**

12
lib/controller.dart
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@ -93,8 +93,7 @@ class CalendarController {
maxYearMonth,
))}");
if (showMode == Constants.MODE_SHOW_ONLY_MONTH ||
showMode == Constants.MODE_SHOW_WEEK_AND_MONTH) {
if (showMode != Constants.MODE_SHOW_ONLY_WEEK) {
//初始化pageController,initialPage默认是当前时间对于的页面
int initialPage = 0;
int nowMonthIndex = 0;
@ -132,8 +131,7 @@ class CalendarController {
"初始化月份视图的信息:一共有${monthList.length}个月，initialPage为${nowMonthIndex}");
}
if (showMode == Constants.MODE_SHOW_ONLY_WEEK ||
showMode == Constants.MODE_SHOW_WEEK_AND_MONTH) {
if (showMode != Constants.MODE_SHOW_ONLY_MONTH) {
//计算一共多少周
//计算方法：第一天是周几，最后一天是周几，中间的天数/7后加上2就是结果了
int initialWeekPage = 0;
@ -230,7 +228,8 @@ class CalendarController {
calendarProvider.calendarConfiguration.monthController
.previousPage(duration: DEFAULT_DURATION, curve: Curves.ease);
calendarProvider.calendarConfiguration.monthChange(
monthList[currentIndex-1].year, monthList[currentIndex-1].month);
monthList[currentIndex - 1].year,
monthList[currentIndex - 1].month);
DateModel temp = new DateModel();
temp.year = monthList[currentIndex].year;
temp.month = monthList[currentIndex].month;
@ -268,7 +267,8 @@ class CalendarController {
calendarProvider.calendarConfiguration.monthController
.nextPage(duration: DEFAULT_DURATION, curve: Curves.ease);
calendarProvider.calendarConfiguration.monthChange(
monthList[currentIndex+1].year, monthList[currentIndex+1].month);
monthList[currentIndex + 1].year,
monthList[currentIndex + 1].month);
DateModel temp = new DateModel();
temp.year = monthList[currentIndex].year;
temp.month = monthList[currentIndex].month;

24
lib/widget/calendar_view.dart
Unescape View File

@ -73,12 +73,10 @@ class CalendarContainerState extends State<CalendarContainer>
double itemHeight;
double totalHeight;
bool expand = true;
bool expand;
CalendarProvider calendarProvider;
var state = CrossFadeState.showFirst;
List<Widget> widgets = [];
int index = 0;
@ -95,20 +93,28 @@ class CalendarContainerState extends State<CalendarContainer>
Constants.MODE_SHOW_WEEK_AND_MONTH) {
widgets.add(const MonthViewPager());
widgets.add(const WeekViewPager());
index = 1;
} else if (calendarProvider.calendarConfiguration.showMode ==
Constants.MODE_SHOW_MONTH_AND_WEEK) {
widgets.add(const MonthViewPager());
widgets.add(const WeekViewPager());
index = 0;
} else {
//默认是只显示月视图
widgets.add(const MonthViewPager());
}
expand = calendarProvider.expandStatus.value;
//如果需要视图切换的话，才需要添加监听，不然不需要监听变化
if (calendarProvider.calendarConfiguration.showMode ==
Constants.MODE_SHOW_WEEK_AND_MONTH) {
Constants.MODE_SHOW_WEEK_AND_MONTH ||
calendarProvider.calendarConfiguration.showMode ==
Constants.MODE_SHOW_MONTH_AND_WEEK) {
calendarProvider.expandStatus.addListener(() {
setState(() {
print(
"calendarProvider.expandStatus.value:${calendarProvider.expandStatus.value}");
expand = calendarProvider.expandStatus.value;
state = (state == CrossFadeState.showSecond
? CrossFadeState.showFirst
: CrossFadeState.showSecond);
if (expand) {
index = 0;
//周视图切换到月视图
@ -122,6 +128,9 @@ class CalendarContainerState extends State<CalendarContainer>
}
});
});
}else{
index=0;
}
// widget.calendarController.addMonthChangeListener((year, month) {
@ -151,7 +160,6 @@ class CalendarContainerState extends State<CalendarContainer>
MediaQueryData mediaQueryData =
MediaQueryData.fromWindow(WidgetsBinding.instance.window);
print("mediaQueryData.orientation:${mediaQueryData}");
//如果itemSize为空，默认是宽度/7。网页版的话是高度/7
itemHeight = calendarProvider.calendarConfiguration.itemSize != null
? calendarProvider.calendarConfiguration.itemSize

12
lib/widget/month_view.dart
Unescape View File

@ -186,7 +186,7 @@ class ItemContainerState extends State<ItemContainer> {
@override
Widget build(BuildContext context) {
LogUtil.log(TAG: this.runtimeType, message: "ItemContainerState build");
// LogUtil.log(TAG: this.runtimeType, message: "ItemContainerState build");
calendarProvider = Provider.of<CalendarProvider>(context, listen: false);
configuration = calendarProvider.calendarConfiguration;
@ -243,21 +243,21 @@ class ItemContainerState extends State<ItemContainer> {
@override
void deactivate() {
LogUtil.log(
TAG: this.runtimeType, message: "ItemContainerState deactivate");
// LogUtil.log(
// TAG: this.runtimeType, message: "ItemContainerState deactivate");
super.deactivate();
}
@override
void dispose() {
LogUtil.log(TAG: this.runtimeType, message: "ItemContainerState dispose");
// LogUtil.log(TAG: this.runtimeType, message: "ItemContainerState dispose");
super.dispose();
}
@override
void didUpdateWidget(ItemContainer oldWidget) {
LogUtil.log(
TAG: this.runtimeType, message: "ItemContainerState didUpdateWidget");
// LogUtil.log(
// TAG: this.runtimeType, message: "ItemContainerState didUpdateWidget");
super.didUpdateWidget(oldWidget);
}
}

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