HeliBoard/app/src/main/java/helium314/keyboard/latin/utils/LayoutUtils.kt
2025-05-24 09:14:35 +02:00

62 lines
3.3 KiB
Kotlin

package helium314.keyboard.latin.utils
import android.content.Context
import helium314.keyboard.keyboard.internal.keyboard_parser.floris.SimplePopups
import helium314.keyboard.keyboard.internal.keyboard_parser.getOrCreate
import helium314.keyboard.latin.R
import helium314.keyboard.latin.settings.Defaults.default
import helium314.keyboard.latin.utils.LayoutType.Companion.folder
import helium314.keyboard.latin.utils.ScriptUtils.script
import java.io.File
import java.util.Locale
// for layouts provided by the app
object LayoutUtils {
fun getAvailableLayouts(layoutType: LayoutType, context: Context, locale: Locale? = null): Collection<String> {
if (layoutType != LayoutType.MAIN)
return context.assets.list(layoutType.folder)?.map { it.substringBefore(".") }.orEmpty()
if (locale == null)
return SubtypeSettings.getAllAvailableSubtypes()
.mapTo(HashSet()) { it.mainLayoutNameOrQwerty().substringBefore("+") }
.apply { addAll(context.resources.getStringArray(R.array.predefined_layouts)) }
val layouts = SubtypeSettings.getResourceSubtypesForLocale(locale).mapNotNullTo(mutableSetOf()) { it.mainLayoutName() }
if (locale.script() == ScriptUtils.SCRIPT_LATIN)
layouts.addAll(context.resources.getStringArray(R.array.predefined_layouts))
return layouts
}
fun getLMainLayoutsForLocales(locales: List<Locale>, context: Context): Collection<String> =
locales.flatMapTo(HashSet()) { getAvailableLayouts(LayoutType.MAIN, context, it) }.sorted()
/** gets content for built-in (non-custom) layout [layoutName], with fallback to qwerty */
fun getContent(layoutType: LayoutType, layoutName: String, context: Context): String {
val layouts = context.assets.list(layoutType.folder)!!
layouts.firstOrNull { it.startsWith("$layoutName.") }
?.let { return context.assets.open(layoutType.folder + File.separator + it).reader().readText() }
val fallback = layouts.first { it.startsWith(layoutType.default) } // must exist!
return context.assets.open(layoutType.folder + File.separator + fallback).reader().readText()
}
fun getContentWithPlus(mainLayoutName: String, locale: Locale, context: Context): String {
val content = getContent(LayoutType.MAIN, mainLayoutName, context)
if (!mainLayoutName.endsWith("+"))
return content
// the stuff below will not work if we add "+" layouts in json format
// ideally we should serialize keyData to json to solve this
val rows = getSimpleRowStrings(content)
val localeKeyboardInfos = getOrCreate(context, locale)
return rows.mapIndexed { i, row ->
val extraKeys = localeKeyboardInfos.getExtraKeys(i + 1) ?: return@mapIndexed row
val rowList = row.split("\n").filterNot { it.isEmpty() }.toMutableList()
extraKeys.forEach { key ->
val popups = (key.popup as? SimplePopups)?.popupKeys?.joinToString(" ")
?.takeIf { it.isNotEmpty() }?.let { " $it" } ?: ""
rowList.add(key.label + popups)
}
rowList.joinToString("\n")
}.joinToString("\n\n")
}
fun getSimpleRowStrings(layoutContent: String): List<String> =
layoutContent.replace("\r\n", "\n").split("\\n\\s*\\n".toRegex()).filter { it.isNotBlank() }
}