116 lines
4.9 KiB
Kotlin

package com.tommasoberlose.anotherwidget.components
import android.content.Context
import android.view.LayoutInflater
import android.view.View
import android.widget.TextView
import androidx.core.content.ContextCompat
import androidx.core.view.isVisible
import androidx.recyclerview.widget.GridLayoutManager
import com.google.android.material.bottomsheet.BottomSheetDialog
import com.google.android.material.bottomsheet.BottomSheetDialogFragment
import com.tommasoberlose.anotherwidget.R
import com.tommasoberlose.anotherwidget.databinding.BottomSheetMenuBinding
import com.tommasoberlose.anotherwidget.databinding.BottomSheetMenuItemBinding
/**
* [BottomSheetDialogFragment] that uses a custom
* theme which sets a rounded background to the dialog
* and doesn't dim the navigation bar
*/
open class BottomSheetMenu<T>(context: Context, private val header: String? = null, private val message: String? = null, private val isMessageWarning: Boolean = false, private val isMultiSelection: Boolean = false) : BottomSheetDialog(context, R.style.BottomSheetDialogTheme) {
private val items: ArrayList<MenuItem<T>> = ArrayList()
private var selectedRes: ArrayList<T> = ArrayList()
private var callback: ((selectedValue: T) -> Unit)? = null
private var multipleSelectionCallback: ((selectedValues: ArrayList<T>) -> Unit)? = null
private var binding = BottomSheetMenuBinding.inflate(LayoutInflater.from(context))
fun setSelectedValue(res: T): BottomSheetMenu<T> {
selectedRes = ArrayList(listOf(res))
return this
}
fun setSelectedValues(res: List<T>): BottomSheetMenu<T> {
selectedRes = ArrayList(res)
return this
}
fun addItem(title: String, value: T? = null, renderCallback: ((view: TextView) -> Unit)? = null): BottomSheetMenu<T> {
items.add(MenuItem(title, value, renderCallback))
return this
}
fun addOnSelectItemListener(callback: (selectedValue: T) -> Unit): BottomSheetMenu<T> {
this.callback = callback
return this
}
fun addOnMultipleSelectItemListener(multipleSelectionCallback: (selectedValues: ArrayList<T>) -> Unit): BottomSheetMenu<T> {
this.multipleSelectionCallback = multipleSelectionCallback
return this
}
override fun show() {
// Header
binding.header.isVisible = header != null
binding.headerText.text = header ?: ""
binding.warningText.isVisible = message != null
binding.warningText.text = message ?: ""
binding.warningText.setTextColor(ContextCompat.getColor(context, if (isMessageWarning) R.color.warningColorText else R.color.colorSecondaryText))
// Menu
for (item in items) {
val itemBinding = BottomSheetMenuItemBinding.inflate(LayoutInflater.from(context))
if (item.value != null) {
itemBinding.label.text = item.title
if (isMultiSelection) {
itemBinding.iconCheck.isVisible = selectedRes.contains(item.value)
itemBinding.label.setTextColor(
if (selectedRes.contains(item.value)) ContextCompat.getColor(
context,
R.color.colorPrimaryText
) else ContextCompat.getColor(context, R.color.colorSecondaryText)
)
} else {
itemBinding.root.isSelected = selectedRes.contains(item.value)
}
itemBinding.root.setOnClickListener {
if (!isMultiSelection) {
callback?.invoke(item.value)
this.dismiss()
} else {
if (selectedRes.contains(item.value)) {
selectedRes.remove(item.value)
} else {
selectedRes.add(item.value)
}
multipleSelectionCallback?.invoke(selectedRes)
itemBinding.iconCheck.isVisible = selectedRes.contains(item.value)
itemBinding.label.setTextColor(
if (selectedRes.contains(item.value)) ContextCompat.getColor(
context,
R.color.colorPrimaryText
) else ContextCompat.getColor(context, R.color.colorSecondaryText)
)
}
item.renderCallback?.invoke(itemBinding.label)
}
binding.menu.addView(itemBinding.root)
} else {
itemBinding.label.text = item.title
binding.menu.addView(itemBinding.root)
}
}
setContentView(binding.root)
super.show()
}
class MenuItem<T>(val title: String, val value: T? = null, val renderCallback: ((view: TextView) -> Unit)? = null)
}