Correction finale

app/src/main/java/com/example/tpfilrouge/article/ArticleActivity.kt

@@ -26,13 +26,15 @@ fun ArticleActivityPage() {
     val navController = rememberNavController();
 
     var viewModel = ListArticleViewModel();
+    var detailViewModel = DetailArticleViewModel();
 
     NavHost(
         navController = navController,
         startDestination = "list_article"
     ) {
-        composable("list_article") { ListArticleFragmentPage(viewModel, navController) }
+        composable("list_article") { ListArticleFragmentPage(viewModel, detailViewModel, navController) }
         composable("article_form") { ArticleFormFragmentPage(viewModel, navController) }
+        composable("article_detail") { DetailArticleFragmentPage(detailViewModel) }
     }
 }
 

app/src/main/java/com/example/tpfilrouge/article/ArticleDetailFragment.kt

@@ -0,0 +1,72 @@
+package com.example.tpfilrouge.article
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+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.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.navigation.NavController
+import coil.compose.AsyncImage
+import com.example.tpfilrouge.R
+import com.example.tpfilrouge.ui.theme.EniPage
+
+
+@Composable
+fun DetailArticleFragmentPage(
+    viewModel: DetailArticleViewModel
+) {
+    // Ecouter les changements de la liste d'article dans le ViewModel
+    val articleState by viewModel.article.collectAsState();
+
+    EniPage {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally,
+            modifier = Modifier.padding(40.dp)
+        ) {
+            Text(
+                text = articleState.title,
+                modifier = Modifier.fillMaxWidth(),
+                textAlign = TextAlign.Center,
+                style = TextStyle(color = Color.White, fontSize = 28.sp)
+            )
+            Row(modifier = Modifier
+                .padding(10.dp)
+                .fillMaxWidth()
+                .padding(vertical = 14.dp)) {
+                AsyncImage(
+                    model = articleState.imgPath,
+                    contentDescription = "",
+                    modifier = Modifier
+                        .width(82.dp)
+                        .padding(horizontal = 5.dp),
+                    placeholder = painterResource(R.drawable.reset_password_ic),
+                )
+                Column(modifier = Modifier.padding(start = 5.dp)) {
+                    Text(articleState.desc, style = TextStyle(color = Color.White, fontSize = 20.sp))
+                }
+            }
+        }
+    }
+}
+
+@Preview(
+    showBackground = true,
+)
+@Composable
+fun DetailArticleFragmentPreview() {
+    var viewModel = DetailArticleViewModel();
+    DetailArticleFragmentPage(viewModel)
+}

app/src/main/java/com/example/tpfilrouge/article/DetailArticleViewModel.kt

@@ -0,0 +1,9 @@
+package com.example.tpfilrouge.article
+
+import kotlinx.coroutines.flow.MutableStateFlow
+
+class DetailArticleViewModel {
+
+    var article = MutableStateFlow<Article>(Article("", "", ""));
+
+}

app/src/main/java/com/example/tpfilrouge/article/ListArticleFragment.kt

@@ -1,13 +1,18 @@
 package com.example.tpfilrouge.article
 
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Delete
 import androidx.compose.material.icons.filled.Edit
@@ -22,7 +27,9 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.TextStyle
@@ -39,11 +46,16 @@ import com.example.tpfilrouge.ui.theme.EniPage
 import kotlinx.coroutines.flow.MutableStateFlow
 
 @Composable
-fun ArticleCard(article: Article, viewModel: ListArticleViewModel, navController: NavController?=null){
+fun ArticleCard(article: Article, viewModel: ListArticleViewModel, detailViewModel: DetailArticleViewModel, navController: NavController?=null){
     ElevatedCard(
         elevation = CardDefaults.cardElevation(defaultElevation = 6.dp),
+        shape = RoundedCornerShape(0.dp),
         modifier = Modifier.fillMaxWidth().padding(vertical = 14.dp)
     ) {
+        Box(Modifier.background(brush = Brush.linearGradient(listOf(
+            Color(0xFF3a3b5d),
+            Color(0xFF535479),
+        ))).fillMaxSize()) {
             Row(modifier = Modifier.padding(10.dp)) {
                 AsyncImage(
                     model = article.imgPath,
@@ -53,12 +65,16 @@ fun ArticleCard(article: Article, viewModel: ListArticleViewModel, navController
                 )
                 Column(modifier = Modifier.padding(start = 5.dp)) {
                     Text(article.title,
-                    style = TextStyle(fontWeight = FontWeight.Bold, fontSize = 15.sp))
-                Text(article.desc)
+                        style = TextStyle(fontWeight = FontWeight.Bold, fontSize = 15.sp, color = Color.White))
+                    Text(article.desc, style = TextStyle(color = Color.White))
                     Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.End) {
                         IconButton(onClick = {
+
+                            detailViewModel.article.value = article;
+                            navController!!.navigate("article_detail");
+
                         }) {
-                        Icon(imageVector = Icons.Filled.Info, contentDescription = "Voir")
+                            Icon(imageVector = Icons.Filled.Info, tint = Color.White, contentDescription = "Voir")
                         }
                         IconButton(onClick = {
                             // Dire au viewmodel qu'on va être en mode édition
@@ -70,21 +86,23 @@ fun ArticleCard(article: Article, viewModel: ListArticleViewModel, navController
                             // naviguer dans le formulaire
                             navController!!.navigate("article_form")
                         }) {
-                        Icon(imageVector = Icons.Filled.Edit, contentDescription = "Edit")
+                            Icon(imageVector = Icons.Filled.Edit, tint = Color.White, contentDescription = "Edit")
                         }
                         IconButton(onClick = {
                             viewModel.callDeleteArticleApi(article.id);
                         }) {
-                        Icon(imageVector = Icons.Filled.Delete, contentDescription = "Delete")
+                            Icon(imageVector = Icons.Filled.Delete, tint = Color.White, contentDescription = "Delete")
                         }
                     }
                 }
             }
         }
+
+    }
 }
 
 @Composable
-fun ListArticleFragmentPage(viewModel: ListArticleViewModel, navController: NavController? = null) {
+fun ListArticleFragmentPage(viewModel: ListArticleViewModel, detailViewModel: DetailArticleViewModel, navController: NavController? = null) {
     // Ecouter les changements de la liste d'article dans le ViewModel
     val articlesState by viewModel.articles.collectAsState();
 
@@ -98,6 +116,9 @@ fun ListArticleFragmentPage(viewModel: ListArticleViewModel, navController: NavC
                 textAlign = TextAlign.Center,
                 style = TextStyle(color = Color.White, fontSize = 28.sp))
             EniButton("Ajouter un Article") {
+                // Passer le edit à false pour revenir en mode ajout dans le form
+                viewModel.isEdit.value = false;
+
                 navController!!.navigate("article_form")
             }
             EniButton("Rafraichir") {
@@ -106,7 +127,7 @@ fun ListArticleFragmentPage(viewModel: ListArticleViewModel, navController: NavC
             }
             LazyColumn {
                 items(articlesState) { article ->
-                    ArticleCard(article, viewModel, navController)
+                    ArticleCard(article, viewModel, detailViewModel, navController)
                 }
             }
         }
@@ -119,10 +140,11 @@ fun ListArticleFragmentPage(viewModel: ListArticleViewModel, navController: NavC
 @Composable
 fun ListArticleActivityPreview() {
     var viewModel = ListArticleViewModel();
+    var detailViewModel = DetailArticleViewModel();
     viewModel.articles = MutableStateFlow(listOf(
         Article("Teletubies", "Meilleur série du monde", "https://avatar.iran.liara.run/public"),
         Article("Velocipastor", "Meilleur film du monde, gros budget", "https://avatar.iran.liara.run/public"),
         Article("Photo mouton béret paille ?", "Pourquoi", "https://avatar.iran.liara.run/public")
     ));
-    ListArticleFragmentPage(viewModel)
+    ListArticleFragmentPage(viewModel, detailViewModel)
 }