| /* |
| * Copyright 2020 The Android expanded Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.ui.material.demos |
| |
| import androidx.compose.Composable |
| import androidx.compose.getValue |
| import androidx.compose.setValue |
| import androidx.compose.state |
| import androidx.ui.core.Alignment |
| import androidx.ui.core.Modifier |
| import androidx.compose.foundation.Icon |
| import androidx.compose.foundation.Text |
| import androidx.compose.foundation.layout.fillMaxSize |
| import androidx.compose.foundation.layout.wrapContentSize |
| import androidx.ui.core.LayoutDirection |
| import androidx.compose.foundation.layout.Stack |
| import androidx.compose.foundation.layout.ltr |
| import androidx.ui.material.DropdownMenu |
| import androidx.ui.material.DropdownMenuItem |
| import androidx.ui.material.IconButton |
| import androidx.ui.material.icons.Icons |
| import androidx.ui.material.icons.filled.MoreVert |
| import androidx.ui.unit.IntOffset |
| import androidx.ui.unit.IntSize |
| import androidx.ui.unit.Position |
| import androidx.ui.unit.dp |
| import kotlin.math.roundToInt |
| |
| @Composable |
| fun MenuDemo() { |
| Stack(Modifier.ltr) { |
| for (i in 0..10) { |
| for (j in 0..10) { |
| MenuInstance( |
| Modifier.fillMaxSize().wrapContentSize( |
| object : Alignment { |
| override fun align( |
| size: IntSize, |
| layoutDirection: LayoutDirection |
| ) = IntOffset( |
| (size.width * i / 10f).roundToInt(), |
| (size.height * j / 10f).roundToInt() |
| ) |
| } |
| ) |
| ) |
| } |
| } |
| } |
| } |
| |
| @Composable |
| fun MenuInstance(modifier: Modifier = Modifier) { |
| val options = listOf( |
| "Refresh", |
| "Settings", |
| "Send Feedback", |
| "Help", |
| "Signout" |
| ) |
| |
| var expanded by state { false } |
| |
| val iconButton = @Composable { |
| IconButton(onClick = { expanded = true }) { |
| Icon(Icons.Default.MoreVert) |
| } |
| } |
| DropdownMenu( |
| expanded = expanded, |
| onDismissRequest = { expanded = false }, |
| toggle = iconButton, |
| dropdownOffset = Position(-12.dp, -12.dp), |
| toggleModifier = modifier |
| ) { |
| options.forEach { |
| DropdownMenuItem(onClick = {}) { |
| Text(it) |
| } |
| } |
| } |
| } |