gridviews preimplementation

tvlib/src/main/kotlin/org/mjdev/tvlib/ui/components/gridview/TvGridView.kt

@@ -0,0 +1,90 @@
+/*
+ *  Copyright (c) Milan Jurkulák 2023.
+ *  Contact:
+ *  e: mimoccc@gmail.com
+ *  e: mj@mjdev.org
+ *  w: https://mjdev.org
+ */
+
+package org.mjdev.tvlib.ui.components.gridview
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.tv.foundation.lazy.grid.TvGridCells
+import androidx.tv.foundation.lazy.grid.TvLazyGridState
+import androidx.tv.foundation.lazy.grid.TvLazyHorizontalGrid
+import androidx.tv.foundation.lazy.grid.TvLazyVerticalGrid
+import androidx.tv.foundation.lazy.grid.items
+import androidx.tv.foundation.lazy.grid.rememberTvLazyGridState
+import androidx.tv.material3.ExperimentalTvMaterial3Api
+import org.mjdev.tvlib.annotations.TvPreview
+import org.mjdev.tvlib.extensions.ComposeExt
+import org.mjdev.tvlib.extensions.ComposeExt.isPortraitMode
+import org.mjdev.tvlib.ui.components.card.PhotoCard
+
+@OptIn(ExperimentalTvMaterial3Api::class)
+@TvPreview
+@Composable
+fun TvGridView(
+    modifier: Modifier = Modifier,
+    items: List<Any?> = listOf(
+        Unit, Unit, Unit,
+        Unit, Unit, Unit,
+        Unit, Unit, Unit,
+        Unit, Unit, Unit
+    ),
+    state: TvLazyGridState = rememberTvLazyGridState(),
+    cardWidth: Dp = ComposeExt.computeCardWidth(),
+    aspectRatio: Float = 16f / 9f,
+    contentScale: ContentScale = ContentScale.Crop,
+    onItemFocus: (item: Any?) -> Unit = {},
+    onItemClick: (item: Any?) -> Unit = {},
+    verticalArrangement: Arrangement.HorizontalOrVertical = Arrangement.spacedBy(16.dp),
+    horizontalArrangement: Arrangement.HorizontalOrVertical = Arrangement.spacedBy(16.dp),
+    contentOfItem: @Composable (item: Any?) -> Unit = { item ->
+        PhotoCard(
+            item = item,
+            aspectRatio = aspectRatio,
+            contentScale = contentScale,
+            cardWidth = cardWidth,
+            onClick = onItemClick,
+            onFocus = onItemFocus
+        )
+    },
+) {
+    val isPortrait = isPortraitMode()
+    if (isPortrait) {
+        TvLazyVerticalGrid(
+            modifier = modifier.fillMaxSize(),
+            columns = TvGridCells.Adaptive(cardWidth),
+            verticalArrangement = verticalArrangement,
+            horizontalArrangement = horizontalArrangement,
+            contentPadding = PaddingValues(16.dp),
+            state = state,
+        ) {
+            items(items) { item ->
+                contentOfItem(item)
+            }
+        }
+    } else {
+        val cardHeight = (cardWidth / aspectRatio)
+        TvLazyHorizontalGrid(
+            modifier = modifier.fillMaxSize(),
+            rows = TvGridCells.Adaptive(cardHeight),
+            verticalArrangement = verticalArrangement,
+            horizontalArrangement = horizontalArrangement,
+            contentPadding = PaddingValues(16.dp),
+            state = state,
+        ) {
+            items(items) { item ->
+                contentOfItem(item)
+            }
+        }
+    }
+}