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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.merchantpos.order
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.View.INVISIBLE
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.recyclerview.widget.LinearLayoutManager
import net.taler.merchantpos.MainViewModel
import net.taler.merchantpos.config.Category
import net.taler.merchantpos.databinding.FragmentCategoriesBinding
interface CategorySelectionListener {
fun onCategorySelected(category: Category)
}
class CategoriesFragment : Fragment(), CategorySelectionListener {
private val viewModel: MainViewModel by activityViewModels()
private val orderManager by lazy { viewModel.orderManager }
private lateinit var ui: FragmentCategoriesBinding
private val adapter = CategoryAdapter(this)
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
ui = FragmentCategoriesBinding.inflate(inflater, container, false)
return ui.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
ui.categoriesList.apply {
adapter = this@CategoriesFragment.adapter
layoutManager = LinearLayoutManager(requireContext())
}
orderManager.categories.observe(viewLifecycleOwner, { categories ->
adapter.setItems(categories)
ui.progressBar.visibility = INVISIBLE
})
}
override fun onCategorySelected(category: Category) {
orderManager.setCurrentCategory(category)
}
}
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