Game description and show more/less toggle
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@Composable | |
fun GameDescription(description: String) { | |
val maxLines = remember { mutableStateOf(4) } | |
val toggle = remember { | |
mutableStateOf(DescriptionStatus.DEFAULT) | |
} | |
Column { | |
// Desctiption text | |
Text( | |
modifier = | |
Modifier.getDetailsModifier() | |
.testTag("Description"), | |
text = description, | |
overflow = TextOverflow.Ellipsis, | |
maxLines = maxLines.value, | |
onTextLayout = { | |
if (it.lineCount == 4 && | |
it.isLineEllipsized(3) | |
) { | |
// game description has overflowed maxLines | |
// show Show More | |
toggle.value = | |
DescriptionStatus.SHOW_MORE | |
} else if (it.lineCount > 4) { | |
// showing entire description | |
// show Show Less | |
toggle.value = | |
DescriptionStatus.SHOW_LESS | |
} else { | |
// game description has not overflowed maxLines | |
// do not show Show More at all | |
} | |
} | |
) | |
when (toggle.value) { | |
DescriptionStatus.SHOW_MORE -> { | |
// display show more | |
Text( | |
modifier = | |
Modifier.padding( | |
start = 16.dp, | |
end = 16.dp | |
) | |
.clickable { | |
maxLines.value = | |
Int.MAX_VALUE | |
}, | |
text = "Show More", | |
color = Color(0xFFF50057), | |
textDecoration = | |
TextDecoration.Underline, | |
) | |
} | |
DescriptionStatus.SHOW_LESS -> { | |
// display show less | |
Text( | |
modifier = | |
Modifier.padding( | |
start = 16.dp, | |
end = 16.dp | |
) | |
.clickable { | |
maxLines.value = 4 | |
}, | |
text = "Show Less", | |
color = Color(0xFFF50057), | |
textDecoration = | |
TextDecoration.Underline, | |
) | |
} | |
else -> { | |
// show more is not displayed at all | |
// do not do anything | |
} | |
} | |
} | |
} | |
enum class DescriptionStatus { | |
DEFAULT, | |
SHOW_MORE, | |
SHOW_LESS | |
} |
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