добавление nullable функционала к компонентам. Переписанный каледарь, почти даже работает

app/build.gradle

@@ -4,7 +4,7 @@ plugins {
 }
 
 android {
-    compileSdk 32
+    compileSdk 33
 
     defaultConfig {
         applicationId "ru.megboyzz.dnevnik"
@@ -17,6 +17,7 @@ android {
         vectorDrawables {
             useSupportLibrary true
         }
+        multiDexEnabled true
     }
 
     buildTypes {
@@ -32,6 +33,7 @@ android {
     }
     kotlinOptions {
         jvmTarget = '1.8'
+        freeCompilerArgs = ['-Xjvm-default=compatibility']
     }
     buildFeatures {
         compose true
@@ -75,4 +77,10 @@ dependencies {
 
     //Библиотечка для рисования круговых диаграмок
     implementation 'com.github.PhilJay:MPAndroidChart:v3.1.0'
+
+    //LazyHorizontalGrid
+    implementation 'androidx.compose.foundation:foundation:1.3.1'
+
+    // The compose calendar library
+    implementation 'com.kizitonwose.calendar:compose:2.1.1'
 }

app/src/main/java/ru/megboyzz/dnevnik/MainActivity.kt

@@ -11,6 +11,7 @@ import ru.megboyzz.dnevnik.navigation.AppNavHost
 import ru.megboyzz.dnevnik.ui.theme.*
 
 class MainActivity : ComponentActivity() {
+
     override fun onCreate(savedInstanceState: Bundle?) {
 
         super.onCreate(savedInstanceState)

app/src/main/java/ru/megboyzz/dnevnik/Previews.kt

@@ -1,131 +0,0 @@
-package ru.megboyzz.dnevnik
-
-import androidx.compose.animation.ExperimentalAnimationApi
-import androidx.compose.foundation.BorderStroke
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material.Card
-import androidx.compose.material.Text
-import androidx.compose.material.rememberScaffoldState
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import com.google.accompanist.navigation.animation.rememberAnimatedNavController
-import ru.megboyzz.dnevnik.screens.ui.*
-import ru.megboyzz.dnevnik.ui.theme.mainBlue
-import ru.megboyzz.dnevnik.ui.theme.white
-
-//Файл со всеми превьюшками
-
-@Preview
-@Composable
-fun text() {
-    Row(Modifier.fillMaxWidth()) {
-        AlmostOutlinedText(text = "Здарова карова")
-    }
-}
-
-@OptIn(ExperimentalAnimationApi::class)
-@Preview
-@Composable
-fun DrawerPrev() {
-    val scaffoldState = rememberScaffoldState()
-    val navController = rememberAnimatedNavController()
-    Box(Modifier.background(mainBlue)) {
-        DrawerContent(navController = navController, scaffoldState = scaffoldState)
-    }
-
-}
-
-
-@Preview
-@Composable
-fun CardWithAveragePrev() {
-    CardWithAverage(
-        averageMark = 4.33f,
-        resultMark = 4f
-    ) {
-        Box(Modifier.padding(10.dp)){
-            Text("hehe")
-        }
-    }
-}
-
-@Preview
-@Composable
-fun BaseCardPrev() {
-    Box(
-        Modifier
-            .fillMaxSize()
-    ){
-        Column(
-            verticalArrangement = Arrangement.spacedBy(10.dp),
-            horizontalAlignment = Alignment.CenterHorizontally,
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 20.dp)
-        ) {
-
-            Card(
-                backgroundColor = white,
-                shape = RoundedCornerShape(10.dp),
-                border = BorderStroke(
-                    width = 1.dp,
-                    color = mainBlue
-                ),
-                modifier = Modifier.defaultMinSize(minWidth = 300.dp)
-            ) {
-                Box(
-                    Modifier
-                        .size(50.dp)
-                        .background(Color.Red)){}
-            }
-        }
-    }
-}
-
-@Preview
-@Composable
-fun MonthTglPrev() {
-    MonthToggle(
-        startMonth = Month.January, startYear = 2023
-    ){
-
-    }
-}
-
-@Preview
-@Composable
-fun UnderlinedTextPrev() {
-    Box(Modifier.background(white)){
-        UnderlinedText(text = "Общая сводка")
-    }
-}
-
-@Preview
-@Composable
-fun CirclePrev() {
-    val list = listOf(
-        PieChartData(legend = "История", value=5),
-        PieChartData(legend = "Русский язык", value=4),
-        PieChartData(legend = "Химия", value=1),
-        PieChartData(legend = "Математика", value=3)
-    )
-    PieChart(list)
-}
-
-@Preview
-@Composable
-fun GoodPieChartPrev() {
-    val list = listOf(
-        PieChartData(legend = "История", value=5),
-        PieChartData(legend = "Русский язык", value=4),
-        PieChartData(legend = "Химия", value=1),
-        PieChartData(legend = "Математика", value=3),
-    )
-    PieChart(diagramData = list)
-}

app/src/main/java/ru/megboyzz/dnevnik/Utils.kt

@@ -31,6 +31,7 @@ import java.time.DayOfWeek
 import java.time.LocalDate
 import java.time.Year
 import java.time.temporal.TemporalAdjusters
+import java.util.*
 
 @Composable
 fun Int.AsPainter() = painterResource(this)
@@ -136,3 +137,5 @@ fun Modifier.mainClickable(
     ),
     onClick = onClick
 )
+
+

app/src/main/java/ru/megboyzz/dnevnik/screens/LoginScreen.kt

@@ -7,6 +7,7 @@ import androidx.navigation.NavController
 import ru.megboyzz.dnevnik.navigation.AppNavRoute
 import ru.megboyzz.dnevnik.screens.ui.LoginScreenContent
 
+//TODO Переверстать экран входа
 @Composable
 fun LoginScreen(navController: NavController) {
 

app/src/main/java/ru/megboyzz/dnevnik/screens/ui/Calendar.kt

@@ -0,0 +1,206 @@
+package ru.megboyzz.dnevnik.screens.ui
+
+import android.util.Log
+import androidx.compose.foundation.*
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Card
+import androidx.compose.material.Divider
+import androidx.compose.material.IconButton
+import androidx.compose.material.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import com.kizitonwose.calendar.compose.CalendarState
+import com.kizitonwose.calendar.compose.HorizontalCalendar
+import com.kizitonwose.calendar.compose.WeekCalendar
+import com.kizitonwose.calendar.compose.rememberCalendarState
+import com.kizitonwose.calendar.compose.weekcalendar.rememberWeekCalendarState
+import com.kizitonwose.calendar.core.CalendarDay
+import com.kizitonwose.calendar.core.CalendarMonth
+import com.kizitonwose.calendar.core.DayPosition
+import com.kizitonwose.calendar.core.firstDayOfWeekFromLocale
+import ru.megboyzz.dnevnik.AsPainter
+import ru.megboyzz.dnevnik.AsString
+import ru.megboyzz.dnevnik.R
+import ru.megboyzz.dnevnik.ui.theme.*
+import java.time.DayOfWeek
+import java.time.LocalDate
+import java.time.YearMonth
+import java.time.format.TextStyle
+import java.util.*
+
+@Composable
+fun MonthToggler(calendarState: CalendarState) {
+
+    //TODO убрать это куда нибудь
+    var listOfMonth = listOf(
+        R.string.title_january.AsString(),
+        R.string.title_february.AsString(),
+        R.string.title_march.AsString(),
+        R.string.title_april.AsString(),
+        R.string.title_may.AsString(),
+        R.string.title_june.AsString(),
+        R.string.title_july.AsString(),
+        R.string.title_august.AsString(),
+        R.string.title_september.AsString(),
+        R.string.title_october.AsString(),
+        R.string.title_november.AsString(),
+        R.string.title_december.AsString()
+    )
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(0.dp, 20.dp),
+        horizontalArrangement = Arrangement.Center
+    ) {
+        Row(
+            horizontalArrangement = Arrangement.SpaceEvenly,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            IconButton(onClick = { calendarState.startMonth = calendarState.startMonth.minusMonths(1) }) {
+                Image(
+                    painter = R.drawable.ic_month_swipe_left.AsPainter(),
+                    contentDescription = "left",
+                    alignment = Alignment.Center
+                )
+            }
+            for(style in TextStyle.values())
+                Log.i("check", calendarState.startMonth.month.getDisplayName(style, Locale.getDefault()))
+            Text(
+                //TODO Возможно стоит сделать эту строчку меньше((
+                text = "${listOfMonth[calendarState.startMonth.month.ordinal]} ${calendarState.startMonth.year}",
+                style = H1,
+                color = dark
+            )
+            IconButton(
+                onClick = { calendarState.startMonth = calendarState.startMonth.plusMonths(1) }
+            ) {
+                Image(
+                    painter = R.drawable.ic_month_swipe_right.AsPainter(),
+                    contentDescription = "right",
+                    alignment = Alignment.Center
+                )
+            }
+        }
+    }
+}
+
+
+@Composable
+fun NiceCalendar(
+    startMonth: YearMonth,
+    onClick: (day: CalendarDay, month: YearMonth, year: Int) -> Unit
+) {
+    val endMonth = startMonth.plusMonths(100) // Adjust as needed
+    val firstDayOfWeek = remember { firstDayOfWeekFromLocale() } // Available from the library
+
+    val state = rememberCalendarState(
+        startMonth = startMonth,
+        endMonth = endMonth,
+        firstVisibleMonth = startMonth,
+        firstDayOfWeek = firstDayOfWeek
+    )
+
+    val weekState = rememberWeekCalendarState(
+        startDate = startMonth.atDay(1),
+        endDate = startMonth.atDay(7),
+        firstVisibleWeekDate = startMonth.atDay(1),
+        firstDayOfWeek = firstDayOfWeek
+    )
+
+    var selectedDate by remember { mutableStateOf<LocalDate?>(null) }
+
+    Column() {
+
+        MonthToggler(calendarState = state)
+
+        Card(
+            shape = RoundedCornerShape(10.dp),
+            modifier = Modifier.defaultMinSize(300.dp)
+        ) {
+            if(selectedDate == null)
+            HorizontalCalendar(
+                state = state,
+                dayContent = { day ->
+                    Day(day, isSelected = selectedDate == day.date) { day ->
+                        selectedDate = if (selectedDate == day.date) null else day.date
+                        onClick(day, startMonth, startMonth.year)
+                    }
+                },
+                monthHeader = { month ->
+                    DaysOfWeekTitle(daysOfWeek = DayOfWeek.values().asList())
+                },
+                modifier = Modifier.padding(10.dp)
+            )
+            else
+            WeekCalendar(
+                state = weekState,
+                weekHeader = { _ ->
+                    DaysOfWeekTitle(daysOfWeek = DayOfWeek.values().asList())
+                },
+                dayContent = { day ->
+                    Day(CalendarDay(day.date, DayPosition.InDate), isSelected = selectedDate == day.date) { day ->
+                        selectedDate = if (selectedDate == day.date) null else day.date
+                        onClick(day, startMonth, startMonth.year)
+                    }
+                },
+                modifier = Modifier.padding(10.dp)
+            )
+        }
+    }
+}
+
+@Composable
+fun DaysOfWeekTitle(daysOfWeek: List<DayOfWeek>) {
+    Column {
+        Row(modifier = Modifier.fillMaxWidth()) {
+            for (dayOfWeek in daysOfWeek) {
+                Text(
+                    modifier = Modifier.weight(1f),
+                    textAlign = TextAlign.Center,
+                    text = dayOfWeek.getDisplayName(TextStyle.SHORT, Locale.getDefault()).uppercase(),
+                    style = MainText
+                )
+            }
+        }
+        Divider(
+            thickness = 1.dp,
+            color = dark,
+            modifier = Modifier.padding(vertical = 10.dp)
+        )
+    }
+}
+@Composable
+fun Day(day: CalendarDay, isSelected: Boolean, onClick: (CalendarDay) -> Unit) {
+    Box(
+        modifier = Modifier
+            .aspectRatio(ratio = 1f) // This is important for square sizing!
+            .clip(CircleShape)
+            .background(color = if (isSelected) lightGray else Color.Transparent)
+            .border(
+                border = BorderStroke(
+                    width = 1.dp,
+                    color = if (isSelected) mainBlue else Color.Transparent
+                ),
+                shape = CircleShape
+            )
+            .clickable(
+                enabled = day.position == DayPosition.MonthDate,
+                onClick = { onClick(day) }
+            ),
+        contentAlignment = Alignment.Center
+    ) {
+        Text(
+            text = day.date.dayOfMonth.toString(),
+            style = MainText,
+            color = if (day.position == DayPosition.MonthDate) dark else Color.Gray
+        )
+    }
+}

app/src/main/java/ru/megboyzz/dnevnik/screens/ui/Components.kt

@@ -1,11 +1,13 @@
 package ru.megboyzz.dnevnik.screens.ui
 
-import android.annotation.SuppressLint
 import androidx.compose.animation.*
 import androidx.compose.animation.core.tween
 import androidx.compose.foundation.*
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
 import androidx.compose.foundation.selection.toggleable
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.KeyboardOptions
@@ -24,9 +26,6 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.focus.onFocusChanged
-import androidx.compose.ui.geometry.CornerRadius
-import androidx.compose.ui.geometry.RoundRect
-import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.graphics.*
 import androidx.compose.ui.graphics.painter.Painter
 import androidx.compose.ui.layout.ContentScale
@@ -38,11 +37,9 @@ import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.text.input.VisualTransformation
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.*
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.navigation.NavController
-import com.google.accompanist.navigation.animation.rememberAnimatedNavController
 import kotlinx.coroutines.launch
 import ru.megboyzz.dnevnik.*
 import ru.megboyzz.dnevnik.R
@@ -177,7 +174,10 @@ fun BottomNavButton(
     onClick: () -> Unit,
 ) {
     //Возможно стоит убрать анимацию клика
-    Box(Modifier.mainClickable(onClick = onClick, radius = 20.dp).padding(10.dp)) {
+    Box(
+        Modifier
+            .mainClickable(onClick = onClick, radius = 20.dp)
+            .padding(10.dp)) {
         Column(
             horizontalAlignment = Alignment.CenterHorizontally,
             verticalArrangement = Arrangement.Center
@@ -655,8 +655,8 @@ fun AverageText(
 
 @Composable
 fun CardWithAverage(
-    averageMark: Float,
+    averageMark: Float?, 
-    resultMark: Float,
+    resultMark: Float?,
     minWidth: Dp = 300.dp,
     content: @Composable () -> Unit
 ) {
@@ -673,7 +673,10 @@ fun CardWithAverage(
                     modifier = Modifier.size(50.dp),
                     contentAlignment = Alignment.Center
                 ) {
-                    AverageText(title = R.string.title_average_mark.AsString(), mark = averageMark.toString())
+                    AverageText(
+                        title = R.string.title_average_mark.AsString(), 
+                        mark = if(averageMark != null) "%.2f".format(averageMark).replace(",", ".") else "-"
+                    )
                 }
             }
             Box(
@@ -686,7 +689,7 @@ fun CardWithAverage(
             ){
                 AverageText(
                     title = R.string.title_result_mark.AsString(),
-                    mark = resultMark.toString()
+                    mark = if(resultMark != null) resultMark.toString() else "-"
                 )
             }
         }
@@ -701,15 +704,7 @@ fun LastMarkCard(
     teacher: String,
     reason: String = "null"
 ) {
-    Card(
+    BaseCard {
-        backgroundColor = white,
-        shape = RoundedCornerShape(10.dp),
-        border = BorderStroke(
-            width = 1.dp,
-            color = mainBlue
-        ),
-        modifier = Modifier.fillMaxWidth()
-    ) {
         Row(
             horizontalArrangement = Arrangement.SpaceBetween,
             modifier = Modifier.padding(15.dp)
@@ -766,6 +761,84 @@ enum class Month{
     December,
 }
 
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun NewCardCalendar(
+    month: Month,
+    year: Int,
+    onClick: (day: Int) -> Unit,
+) {
+    val listOfDays = listOf(
+        R.string.title_mon.AsString(),
+        R.string.title_tue.AsString(),
+        R.string.title_wed.AsString(),
+        R.string.title_thu.AsString(),
+        R.string.title_fri.AsString(),
+        R.string.title_sat.AsString(),
+    )
+
+    //TODO Сделать сворачивание календаря
+    val expanded = remember {
+        mutableStateOf(true)
+    }
+
+    Card(
+        backgroundColor = white,
+        modifier = Modifier.defaultMinSize(minWidth = 300.dp),
+        shape = RoundedCornerShape(10.dp),
+        elevation = 5.dp
+    ){
+        Column(
+            modifier = Modifier.padding(0.dp)
+        ) {
+            /*LazyRow(
+                horizontalArrangement = Arrangement.SpaceBetween,
+                modifier = Modifier
+                    .padding(10.dp, 10.dp, 10.dp, 5.dp)
+                    .defaultMinSize(minWidth = 300.dp)
+            ){
+                items(listOfDays){
+                    Text(
+                        text = it,
+                        style = MainText,
+                        color = dark
+                    )
+                }
+            }
+            Box(
+                Modifier
+                    .defaultMinSize(minWidth = 320.dp)
+                    .height(1.dp)
+                    .background(Color.Black))*/
+            LazyVerticalGrid(
+                columns = GridCells.Fixed(count = 6),
+                horizontalArrangement = Arrangement.spacedBy(0.dp),
+            ){
+                items(listOfDays){
+                    Text(
+                        text = it,
+                        style = MainText,
+                        color = dark
+                    )
+                }
+                items((1..30).toList()){
+                    NumberOnCalendar(
+                        isClicked = remember { mutableStateOf(false) },
+                        number = it.toString()
+                    ) {
+
+                    }
+                }
+            }
+
+            val offset = 8 - getMonthDaysBy(year, month, DayOfWeek.MONDAY)[0]
+
+            val clicked = mutableListOf<MutableState<Boolean>>()
+        }
+    }
+}
+
 @Composable
 fun CardCalendar(
     month: Month,
@@ -785,11 +858,10 @@ fun CardCalendar(
     val expanded = remember {
         mutableStateOf(true)
     }
-    val expandedModifier = if(expanded.value) Modifier else Modifier.height(100.dp)
 
     Card(
         backgroundColor = white,
-        modifier = Modifier.fillMaxWidth(),
+        modifier = Modifier.defaultMinSize(minWidth = 200.dp),
         shape = RoundedCornerShape(10.dp),
         elevation = 5.dp
     ){
@@ -824,6 +896,8 @@ fun CardCalendar(
                 val offset = 8 - getMonthDaysBy(year, month, DayOfWeek.MONDAY)[0]
 
                 val clicked = mutableListOf<MutableState<Boolean>>()
+                var lastClicked = 0
+                var lastInd = 0
 
                 Row(
                     horizontalArrangement = Arrangement.SpaceBetween,
@@ -831,6 +905,7 @@ fun CardCalendar(
                         .fillMaxWidth()
                         .padding(0.dp, 10.dp, 0.dp, 5.dp)
                 ) {
+                    if(expanded.value)
                     for(day in DayOfWeek.values()){
                         if(day != DayOfWeek.SUNDAY) Column {
                             val list = getMonthDaysBy(year, month, day)
@@ -848,6 +923,8 @@ fun CardCalendar(
                                     number = data.toString()
                                 ) {
                                     expanded.value != expanded.value
+                                    lastClicked = data
+                                    lastInd = i
                                     for(click in clicked)
                                         if(click != isClicked)
                                             click.value = false
@@ -860,9 +937,10 @@ fun CardCalendar(
                             }
                         }
                     }
+                    else{
+
+                    }
                 }
-
-
             }
         }
     }
@@ -955,7 +1033,7 @@ fun MonthToggle(
 
     val isNormal = screenWidth < 500
     if(!isNormal) defaultPadding *= 4
-    Column(Modifier.padding(defaultPadding, 0.dp)) {
+    Column() {
         Row(
             modifier = Modifier
                 .fillMaxWidth()
@@ -1036,53 +1114,133 @@ fun UnderlinedText(
     }
 }
 
-/**
+@Composable
- * Класс для предоставления данных для круговых диаграм
+fun AllMarksCard(
- * Идея предоставить диаграмме массив именованных данных
+    subjectName: String,
- * напрмер кол-во оцеок отлично по всем предметам:
+    teacher: String?,
- *  CircleDiagramData(parameterName = "История", count=5) = 38%
+    marks: List<Int>?,
- *  CircleDiagramData(parameterName = "Русский язык", count=4) = 31%
+    resultMark: Float?
- *  CircleDiagramData(parameterName = "Химия", count=1) = 8%
+) {
- *  CircleDiagramData(parameterName = "Математика", count=3) = 23%
+    CardWithAverage(
- */
+        averageMark = marks?.average()?.toFloat(),
-@OptIn(ExperimentalGraphicsApi::class)
+        resultMark = resultMark
-data class PieChartData(
+    ) {
-    val legend: String,
+        Box(Modifier.padding(15.dp, 15.dp)) {
-    val value: Int
+            Column {
-){
+                Row(
-    val color: Color
+                    horizontalArrangement = Arrangement.spacedBy(10.dp),
-    init {
+                    verticalAlignment = Alignment.CenterVertically
-        val hue = (0..360).random(kotlin.random.Random(System.nanoTime())).toFloat()
+                ) {
-        Thread.sleep(10)
+                    Image(
-        color = Color.hsl(hue, 0.5f, 0.6f)
+                        painter = R.drawable.ic_subject.AsPainter(),
+                        contentDescription = ""
+                    )
+                    Column(
+                        verticalArrangement = Arrangement.Center
+                    ) {
+                        Text(
+                            text = subjectName,
+                            color = dark,
+                            style = MainText,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                        Text(
+                            text = teacher ?: "-",
+                            color = dark,
+                            style = MainText,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    }
+                }
+
+                Divider(
+                    color = dark,
+                    thickness = 1.dp,
+                    modifier = Modifier.padding(
+                        top = 15.dp,
+                        bottom = 10.dp,
+                    )
+                )
+                
+                if(marks != null)
+                    LazyVerticalGrid(
+                        columns = GridCells.Adaptive(minSize = 20.dp),
+                        horizontalArrangement = Arrangement.spacedBy(10.dp),
+                        verticalArrangement = Arrangement.spacedBy(10.dp)
+                    ) {
+                        items(marks){
+                            MarkInBox(mark = it)
+                        }
+                    }
+                else {
+                    Box(
+                        contentAlignment = Alignment.Center,
+                        modifier = Modifier.fillMaxWidth()
+                    ){
+                        EmptyMessage(message = R.string.title_no_marks.AsString())
+                    }
+                }
+            }
+        }
     }
 }
 
 @Composable
-fun PieChart(
+fun MarkInBox(mark: Int) {
-    diagramData: List<PieChartData>
+    Box(
-) {
-    lateinit var chart: DataPieChart
-    Column {
-        AndroidView(
-            factory = { context ->
-                chart = DataPieChart(context)
-                chart
-            },
         modifier = Modifier
-                .wrapContentSize()
+            .size(19.dp)
-                .padding(5.dp),
+            .fillMaxSize()
-            update = { chart.updatePieChartWithData(diagramData) }
+            .background(
+                color = mainBlue,
+                shape = RoundedCornerShape(2.dp)
+            ),
+        contentAlignment = Alignment.Center
+    ){
+        Text(
+            text = mark.toString(),
+            color = white
+        )
+    }
+}
+
+@Composable
+fun ContentMessage(
+    message: String,
+    isFine: Boolean = true
+) {
+    Column(
+        modifier = Modifier
+            .defaultMinSize(200.dp)
+            .padding(25.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Image(
+            painter = if(isFine) R.drawable.ic_smile.AsPainter() else R.drawable.ic_sad_smile.AsPainter(),
+            contentDescription = ""
+        )
+        SpacerHeight(height = 10.dp)
+        Text(
+            text = message,
+            style = MainText,
+            color = dark
         )
     }
 }
 
 
 @Composable
-fun PieChartCard(
+fun EmptyMessage(message: String) = ContentMessage(message = message, isFine = false)
-    title: String,
+
-    data: List<PieChartData>
+@Composable
+fun FineMessage(message: String) = ContentMessage(message = message)
+
+@Composable
+fun MessageCard(
+    message: String,
+    content: @Composable () -> Unit
 ) {
+    BaseCard {
 
+    }
 }
-

app/src/main/java/ru/megboyzz/dnevnik/screens/ui/DataPieChart.kt

@@ -22,9 +22,10 @@ class DataPieChart(context: Context) : PieChart(context) {
             LayoutParams.MATCH_PARENT,
         )
         setUsePercentValues(true)
+        setEntryLabelTextSize(10f)
+
         description.isEnabled = false
         isDrawHoleEnabled = false
-        
         legend.isEnabled = false
         legend.orientation = Legend.LegendOrientation.VERTICAL
         legend.horizontalAlignment =

app/src/main/java/ru/megboyzz/dnevnik/screens/ui/PieChart.kt

@@ -0,0 +1,82 @@
+package ru.megboyzz.dnevnik.screens.ui
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import ru.megboyzz.dnevnik.AsString
+import ru.megboyzz.dnevnik.ui.theme.H2
+import ru.megboyzz.dnevnik.ui.theme.dark
+import ru.megboyzz.dnevnik.R
+
+/**
+ * Класс для предоставления данных для круговых диаграм
+ * Идея предоставить диаграмме массив именованных данных
+ * напрмер кол-во оцеок отлично по всем предметам:
+ *  CircleDiagramData(parameterName = "История", count=5) = 38%
+ *  CircleDiagramData(parameterName = "Русский язык", count=4) = 31%
+ *  CircleDiagramData(parameterName = "Химия", count=1) = 8%
+ *  CircleDiagramData(parameterName = "Математика", count=3) = 23%
+ */
+data class PieChartData(
+    val legend: String,
+    val value: Int
+){
+    val color: Color
+    init {
+        val hue = (0..360).random(kotlin.random.Random(System.nanoTime())).toFloat()
+        Thread.sleep(10)
+        color = Color.hsl(hue, 0.5f, 0.6f)
+    }
+}
+
+@Composable
+fun PieChart(
+    diagramData: List<PieChartData>
+) {
+    lateinit var chart: DataPieChart
+    Column(Modifier.size(200.dp)) {
+        AndroidView(
+            factory = { context ->
+                chart = DataPieChart(context)
+                chart
+            },
+            modifier = Modifier
+                .wrapContentSize()
+                .padding(5.dp),
+            update = { chart.updatePieChartWithData(diagramData) }
+        )
+    }
+}
+
+
+@Composable
+fun PieChartCard(
+    title: String,
+    data: List<PieChartData>?
+) {
+    BaseCard {
+        Column(
+            modifier = Modifier.padding(15.dp, 10.dp),
+        ){
+            Text(
+                text = title,
+                style = H2,
+                color = dark
+            )
+            Box(
+                modifier = Modifier.defaultMinSize(300.dp),
+                contentAlignment = Alignment.Center
+            ){
+                if(data != null)
+                    PieChart(diagramData = data)
+                else
+                    EmptyMessage(message = R.string.title_no_marks.AsString())
+            }
+        }
+    }
+}

app/src/main/java/ru/megboyzz/dnevnik/screens/ui/Previews.kt

@@ -0,0 +1,266 @@
+package ru.megboyzz.dnevnik
+
+import androidx.compose.animation.ExperimentalAnimationApi
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.google.accompanist.navigation.animation.rememberAnimatedNavController
+import ru.megboyzz.dnevnik.screens.ui.*
+import ru.megboyzz.dnevnik.ui.theme.mainBlue
+import ru.megboyzz.dnevnik.ui.theme.white
+import java.time.YearMonth
+import java.util.*
+
+//Файл со всеми превьюшками
+
+@Composable
+fun NicePreviewContainer(
+    content: @Composable () -> Unit
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .verticalScroll(rememberScrollState()).height(1500.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.spacedBy(10.dp)
+    ) { content() }
+}
+
+@Preview
+@Composable
+fun text() {
+    Row(Modifier.fillMaxWidth()) {
+        AlmostOutlinedText(text = "Здарова карова")
+    }
+}
+
+@OptIn(ExperimentalAnimationApi::class)
+@Preview
+@Composable
+fun DrawerPrev() {
+    val scaffoldState = rememberScaffoldState()
+    val navController = rememberAnimatedNavController()
+    Box(Modifier.background(mainBlue)) {
+        DrawerContent(navController = navController, scaffoldState = scaffoldState)
+    }
+
+}
+
+
+@Preview
+@Composable
+fun CardWithAveragePrev() {
+    CardWithAverage(
+        averageMark = 4.33f,
+        resultMark = 4f
+    ) {
+        Box(Modifier.padding(10.dp)){
+            Text("hehe")
+        }
+    }
+}
+
+@Preview
+@Composable
+fun BaseCardPrev() {
+    Box(
+        Modifier
+            .fillMaxSize()
+    ){
+        Column(
+            verticalArrangement = Arrangement.spacedBy(10.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 20.dp)
+        ) {
+
+            Card(
+                backgroundColor = white,
+                shape = RoundedCornerShape(10.dp),
+                border = BorderStroke(
+                    width = 1.dp,
+                    color = mainBlue
+                ),
+                modifier = Modifier.defaultMinSize(minWidth = 300.dp)
+            ) {
+                Box(
+                    Modifier
+                        .size(50.dp)
+                        .background(Color.Red)){}
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun MonthTglPrev() {
+    MonthToggle(
+        startMonth = Month.January, startYear = 2023
+    ){
+
+    }
+}
+
+@Preview
+@Composable
+fun UnderlinedTextPrev() {
+    Box(Modifier.background(white)){
+        UnderlinedText(text = "Общая сводка")
+    }
+}
+
+@Preview
+@Composable
+fun CirclePrev() {
+    val list = listOf(
+        PieChartData(legend = "История", value=5),
+        PieChartData(legend = "Русский язык", value=4),
+        PieChartData(legend = "Химия", value=1),
+        PieChartData(legend = "Математика", value=3)
+    )
+    PieChart(list)
+}
+
+@Preview
+@Composable
+fun GoodPieChartPrev() {
+    val list = listOf(
+        PieChartData(legend = "История", value=5),
+        PieChartData(legend = "Русский язык", value=4),
+        PieChartData(legend = "Химия", value=1),
+        PieChartData(legend = "Математика", value=3),
+    )
+    PieChart(diagramData = list)
+}
+
+@Preview
+@Composable
+fun PieChartCardPrev() {
+    val list = listOf(
+        PieChartData(legend = "История", value=5),
+        PieChartData(legend = "Русский язык", value=4),
+        PieChartData(legend = "Химия", value=1),
+        PieChartData(legend = "Математика", value=3),
+    )
+    PieChartCard(
+        title = "Сводка по оценкам отлично",
+        data = list
+    )
+}
+
+@Preview
+@Composable
+fun LastMarkCardPrev() {
+    LastMarkCard(
+        subjectName = "Русский язык",
+        mark = 5,
+        date = "18.02.2023",
+        teacher = "Степанова А.С.",
+        reason = "контрольная"
+    )
+}
+
+@Preview
+@Composable
+fun AllMarksCardPrev1() {
+    NicePreviewContainer {
+        AllMarksCard(
+            subjectName = "Математика",
+            teacher = "Степанова С.А.",
+            marks = listOf(4, 5, 5, 5, 5, 5, 4, 5, 3, 2),
+            resultMark = 4f
+        )
+        AllMarksCard(
+            subjectName = "Русский язык",
+            teacher = "Степанова С.А.",
+            marks = listOf(4, 5, 5, 5, 5, 5, 4, 5, 3, 2),
+            resultMark = null
+        )
+        AllMarksCard(
+            subjectName = "Русский язык",
+            teacher = "Степанова С.А.",
+            marks = null,
+            resultMark = 4.2f
+        )
+        AllMarksCard(
+            subjectName = "Русский язык",
+            teacher = null,
+            marks = listOf(4, 5, 5, 5, 5, 5, 4, 5, 3, 2),
+            resultMark = 4.2f
+        )
+
+        AllMarksCard(
+            subjectName = "Математика",
+            teacher = "Степанова С.А.",
+            marks = null,
+            resultMark = null
+        )
+
+        AllMarksCard(
+            subjectName = "Математика",
+            teacher = null,
+            marks = null,
+            resultMark = null
+        )
+    }
+}
+
+@Preview
+@Composable
+fun NewCalendarPrev() {
+    NewCardCalendar(
+        month = Month.January,
+        year = 2023
+    ){
+
+    }
+}
+
+@Preview
+@Composable
+fun NiceCalendarPrev() {
+    NiceCalendar(
+        startMonth = YearMonth.now()
+    ){ day, month, year ->
+
+    }
+}
+
+@Preview
+@Composable
+fun EmptyPrev() {
+    ContentMessage(message = "Таких оценок нет")
+}
+
+@Preview
+@Composable
+fun PieChartNullPrev() {
+    val list = listOf(
+        PieChartData(legend = "История", value=5),
+        PieChartData(legend = "Русский язык", value=4),
+        PieChartData(legend = "Химия", value=1),
+        PieChartData(legend = "Математика", value=3),
+    )
+    NicePreviewContainer {
+        PieChartCard(
+            title = "Сводка по оценкам отлично",
+            data = list
+        )
+        PieChartCard(
+            title = "Сводка по оценкам хорошо",
+            data = null
+        )
+    }
+}