draft: home screen

app/src/main/java/fr/uparis/diamantkennel/memorisationapplication/HomeScreen.kt

@@ -1,9 +1,89 @@
 package fr.uparis.diamantkennel.memorisationapplication
 
+import android.widget.Toast
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import fr.uparis.diamantkennel.memorisationapplication.data.SetOfQuestions
+import fr.uparis.diamantkennel.memorisationapplication.data.SetQuestions
+import fr.uparis.diamantkennel.memorisationapplication.ui.HomeViewModel
 
 @Composable
-fun HomeScreen(padding: PaddingValues) {
+fun HomeScreen(padding: PaddingValues, model: HomeViewModel = viewModel()) {
+    val context = LocalContext.current
 
+    val setOfQuestions by model.setFlow.collectAsState(listOf())
+    val currentSelection by model.selected
+
+    Column(
+        modifier = Modifier.padding(padding),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        ShowList(setOfQuestions, currentSelection)
+
+        Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceEvenly) {
+            Button(onClick = { Toast.makeText(context, "Create", Toast.LENGTH_SHORT).show() }) {
+                Text(text = context.getString(R.string.main_button_create))
+            }
+            Button(onClick = { Toast.makeText(context, "Modify", Toast.LENGTH_SHORT).show() }) {
+                Text(text = context.getString(R.string.main_button_modify))
+            }
+            Button(onClick = { Toast.makeText(context, "Import", Toast.LENGTH_SHORT).show() }) {
+                Text(text = context.getString(R.string.main_button_import))
+            }
+        }
+
+        Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceEvenly) {
+            Button(
+                modifier = Modifier.fillMaxWidth(0.9f),
+                onClick = { Toast.makeText(context, "Start", Toast.LENGTH_SHORT).show() }) {
+                Text(text = context.getString(R.string.main_button_start), fontSize = 30.sp)
+            }
+        }
+    }
+}
+
+@Composable
+fun ShowList(
+    sets: List<SetOfQuestions>,
+    currentSelection: SetQuestions?,
+) {
+    LazyColumn(
+        Modifier
+            .fillMaxHeight(0.7f)
+    ) {
+        itemsIndexed(sets) { index, item ->
+            ListItem(index, item, currentSelection)
+        }
+    }
+}
+
+@Composable
+fun ListItem(
+    index: Int,
+    set: SetOfQuestions,
+    currentSelection: SetQuestions?,
+) = Card(Modifier.fillMaxSize()) {
+    Row {
+        Text(text = set.set.name, modifier = Modifier.padding(2.dp))
+    }
 }

app/src/main/java/fr/uparis/diamantkennel/memorisationapplication/ui/HomeViewModel.kt

@@ -0,0 +1,14 @@
+package fr.uparis.diamantkennel.memorisationapplication.ui
+
+import android.app.Application
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.AndroidViewModel
+import fr.uparis.diamantkennel.memorisationapplication.MemoApplication
+import fr.uparis.diamantkennel.memorisationapplication.data.SetQuestions
+
+class HomeViewModel(application: Application) : AndroidViewModel(application) {
+    private val dao = (application as MemoApplication).database.memoDao()
+
+    var setFlow = dao.loadAllSets()
+    var selected = mutableStateOf<SetQuestions?>(null)
+}

app/src/main/res/values/strings.xml

@@ -1,4 +1,8 @@
 <resources>
     <string name="app_name">Memorisation</string>
     <string name="home_button">Page principale</string>
-</resources>
+    <string name="main_button_create">Créer</string>
+    <string name="main_button_modify">Modifier</string>
+    <string name="main_button_import">Importer</string>
+    <string name="main_button_start">Lancer</string>
+</resources>