Button

Yorkshire Systems house Android button.

import androidx.annotation.DrawableRes
import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.combinedClickable
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.fillMaxWidth
import androidx.compose.foundation.layout.heightIn
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.selection.selectableGroup
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.Icon
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.alpha
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.semantics.Role
import androidx.compose.ui.semantics.role
import androidx.compose.ui.semantics.selected
import androidx.compose.ui.semantics.semantics
import androidx.compose.ui.semantics.toggleableState
import androidx.compose.ui.state.ToggleableState
import androidx.compose.ui.tooling.preview.PreviewLightDark
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.TextUnit
import androidx.compose.ui.unit.dp
import yorkshire.systems.resonance.Constants
import yorkshire.systems.resonance.R
import yorkshire.systems.resonance.ui.components.preview.PreviewContainer

enum class ButtonMode {
    NORMAL,
    NO_BORDER,
    LIGHT_BORDER
}

@Composable
fun Button(
    modifier: Modifier = Modifier,
    text: String,
    @DrawableRes iconRes: Int? = null,
    textSize: TextUnit = Constants.FONT_MEDIUM,
    verticalPadding: Dp = 4.dp,
    fillWidth: Boolean = false,
    background: Color? = null,
    foreground: Color? = null,
    borderMode: ButtonMode = ButtonMode.NORMAL,
    isActive: Boolean = true,
    onDoubleClick: (() -> Unit)? = null,
    onClick: () -> Unit = {}
) {
    val contentColour = foreground ?: MaterialTheme.colorScheme.onSurface
    val backgroundColour = background ?: MaterialTheme.colorScheme.surface
    val borderColour = when (borderMode) {
        ButtonMode.NORMAL -> contentColour
        ButtonMode.LIGHT_BORDER -> contentColour.copy(alpha = 0.25f)
        ButtonMode.NO_BORDER -> Color.Transparent
    }

    Box(
        modifier = Modifier
            .padding(vertical = verticalPadding)
            .alpha(if (isActive) 1f else 0.25f)
    ) {
        Row(
            modifier = modifier
                .background(
                    color = backgroundColour,
                    shape = RoundedCornerShape(7.dp)
                )
                .border(1.dp, borderColour, RoundedCornerShape(7.dp))
                .combinedClickable(
                    enabled = isActive,
                    onDoubleClick = onDoubleClick,
                    onClick = onClick
                )
                .then(if (fillWidth) Modifier.fillMaxWidth() else Modifier)
                .padding(horizontal = 6.dp, vertical = 3.dp),
            horizontalArrangement = Arrangement.spacedBy(6.dp, Alignment.CenterHorizontally),
            verticalAlignment = Alignment.CenterVertically
        ) {
            if (iconRes != null) {
                Icon(
                    modifier = Modifier.size(18.dp),
                    painter = painterResource(iconRes),
                    contentDescription = null,
                    tint = contentColour
                )
            }
            Text(text = text, color = contentColour, fontSize = textSize)
        }
    }
}

@Composable
fun SelectableButton(
    text: String,
    modifier: Modifier = Modifier,
    selected: Boolean,
    @DrawableRes selectedIconRes: Int? = null,
    role: Role = Role.RadioButton,
    onClick: () -> Unit = {}
) {
    Button(
        modifier = modifier
            .semantics {
                this.role = role
                when (role) {
                    Role.Checkbox -> toggleableState = ToggleableState(selected)
                    else -> this.selected = selected
                }
            },
        iconRes = when {
            selected -> selectedIconRes
            else -> null
        },
        text = text,
        onClick = onClick
    )
}

@Composable
fun SelectableFlowButton(
    text: String,
    modifier: Modifier = Modifier,
    selected: Boolean = false,
    @DrawableRes selectedIconRes: Int? = null,
    role: Role = Role.RadioButton,
    onClick: () -> Unit = {}
) {
    SelectableButton(
        text = text,
        modifier = modifier,
        selected = selected,
        selectedIconRes = selectedIconRes ?: R.drawable.ic_check,
        role = role,
        onClick = onClick
    )
}