taler-android

Android apps for GNU Taler (wallet, PoS, cashier)
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GridMenu.kt (3859B)

      1 /*
      2  * This file is part of GNU Taler
      3  * (C) 2024 Taler Systems S.A.
      4  *
      5  * GNU Taler is free software; you can redistribute it and/or modify it under the
      6  * terms of the GNU General Public License as published by the Free Software
      7  * Foundation; either version 3, or (at your option) any later version.
      8  *
      9  * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
     10  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11  * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12  *
     13  * You should have received a copy of the GNU General Public License along with
     14  * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 
     17 package net.taler.wallet.compose
     18 
     19 import androidx.annotation.DrawableRes
     20 import androidx.annotation.StringRes
     21 import androidx.compose.foundation.clickable
     22 import androidx.compose.foundation.layout.Box
     23 import androidx.compose.foundation.layout.BoxScope
     24 import androidx.compose.foundation.layout.Column
     25 import androidx.compose.foundation.layout.PaddingValues
     26 import androidx.compose.foundation.layout.fillMaxWidth
     27 import androidx.compose.foundation.layout.height
     28 import androidx.compose.foundation.layout.padding
     29 import androidx.compose.foundation.lazy.grid.GridCells
     30 import androidx.compose.foundation.lazy.grid.LazyGridScope
     31 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
     32 import androidx.compose.material3.Icon
     33 import androidx.compose.material3.MaterialTheme
     34 import androidx.compose.material3.ShapeDefaults
     35 import androidx.compose.material3.Text
     36 import androidx.compose.runtime.Composable
     37 import androidx.compose.ui.Alignment
     38 import androidx.compose.ui.Modifier
     39 import androidx.compose.ui.draw.alpha
     40 import androidx.compose.ui.draw.clip
     41 import androidx.compose.ui.res.painterResource
     42 import androidx.compose.ui.res.stringResource
     43 import androidx.compose.ui.text.style.TextAlign
     44 import androidx.compose.ui.unit.dp
     45 
     46 // Source: https://github.com/z-huang/InnerTune
     47 
     48 val GridMenuItemHeight = 96.dp
     49 
     50 @Composable
     51 fun GridMenu(
     52     modifier: Modifier = Modifier,
     53     contentPadding: PaddingValues = PaddingValues(0.dp),
     54     content: LazyGridScope.() -> Unit,
     55 ) {
     56     LazyVerticalGrid(
     57         columns = GridCells.Adaptive(minSize = 100.dp),
     58         modifier = modifier,
     59         contentPadding = contentPadding,
     60         content = content,
     61     )
     62 }
     63 
     64 fun LazyGridScope.GridMenuItem(
     65     modifier: Modifier = Modifier,
     66     @DrawableRes icon: Int,
     67     @StringRes title: Int,
     68     enabled: Boolean = true,
     69     onClick: () -> Unit,
     70 ) = GridMenuItem(
     71     modifier = modifier,
     72     icon = {
     73         Icon(
     74             painter = painterResource(icon),
     75             contentDescription = null,
     76         )
     77     },
     78     title = title,
     79     enabled = enabled,
     80     onClick = onClick,
     81 )
     82 
     83 fun LazyGridScope.GridMenuItem(
     84     modifier: Modifier = Modifier,
     85     icon: @Composable BoxScope.() -> Unit,
     86     @StringRes title: Int,
     87     enabled: Boolean = true,
     88     onClick: () -> Unit,
     89 ) {
     90     item {
     91         Column(
     92             modifier =
     93             modifier
     94                 .clip(ShapeDefaults.Large)
     95                 .height(GridMenuItemHeight)
     96                 .clickable(
     97                     enabled = enabled,
     98                     onClick = onClick,
     99                 ).alpha(if (enabled) 1f else 0.5f)
    100                 .padding(12.dp),
    101         ) {
    102             Box(
    103                 modifier =
    104                 Modifier
    105                     .fillMaxWidth()
    106                     .weight(1f),
    107                 contentAlignment = Alignment.Center,
    108                 content = icon,
    109             )
    110             Text(
    111                 text = stringResource(title),
    112                 style = MaterialTheme.typography.labelLarge,
    113                 textAlign = TextAlign.Center,
    114                 maxLines = 2,
    115                 modifier = Modifier.fillMaxWidth(),
    116             )
    117         }
    118     }
    119 }