Adds step 6.c - Adds AnimatedSearchBar component

composeApp/src/commonMain/kotlin/app/academy/components/AnimatedSearchBar.kt

@@ -0,0 +1,98 @@
+package app.academy.components
+
+import androidx.compose.animation.AnimatedContent
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.sizeIn
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.Icon
+import androidx.compose.material.IconButton
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.SearchBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import app.academy.model.Note
+import app.academy.utils.getWindowSize
+
+@OptIn(ExperimentalMaterial3Api::class)
+@ExperimentalFoundationApi
+@Composable
+private fun AnimatedSearchBar(
+    query: String,
+    isSearchBarActive: Boolean,
+    onQueryChange: (String) -> Unit,
+    onClearSearchQueryButtonClick: () -> Unit,
+    onActiveChange: (Boolean) -> Unit,
+    onBackButtonClick: () -> Unit,
+    onNoteDismissed: (Note) -> Unit,
+    onNoteItemClick: (Note) -> Unit,
+    modifier: Modifier = Modifier,
+    suggestionsForQuery: List<Note>
+) {
+    val leadingIcon = @Composable {
+        AnimatedContent(targetState = isSearchBarActive, label = "") { isActive ->
+            if (isActive) {
+                IconButton(onClick = onBackButtonClick) {
+                    Icon(imageVector = Icons.Filled.ArrowBack, contentDescription = null)
+                }
+            } else {
+                Icon(imageVector = Icons.Filled.Search, contentDescription = null)
+            }
+        }
+    }
+
+    val trailingIcon = @Composable {
+        AnimatedContent(targetState = isSearchBarActive, label = "") { isActive ->
+            if (isActive) {
+                IconButton(
+                    onClick = onClearSearchQueryButtonClick,
+                    content = { Icon(imageVector = Icons.Filled.Close, contentDescription = null) }
+                )
+            }
+        }
+    }
+    val windowSizeWithoutInsets = getWindowSize()
+    Column(modifier = modifier) {
+        SearchBar(
+            modifier = Modifier
+                .align(Alignment.CenterHorizontally)
+                .sizeIn(
+                    // need sizeIn modifier to prevent exception being thrown about size being set to infinity when search bar is expanded
+                    maxWidth = windowSizeWithoutInsets.width,
+                    maxHeight = windowSizeWithoutInsets.height
+                ),
+            query = query,
+            onQueryChange = onQueryChange,
+            onSearch = {
+                // no need for this callback because this app uses instant search
+            },
+            active = isSearchBarActive,
+            onActiveChange = onActiveChange,
+            leadingIcon = leadingIcon,
+            trailingIcon = trailingIcon,
+            placeholder = { Text(text = "Search notes") },
+        ) {
+            LazyColumn(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(top = 8.dp)
+            ) {
+                NoteItems(
+                    notes = suggestionsForQuery,
+                    onClick = onNoteItemClick,
+                    onDismissed = onNoteDismissed
+                )
+            }
+        }
+    }
+}