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author | Torsten Grote <t@grobox.de> | 2020-03-18 14:24:41 -0300 |
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committer | Torsten Grote <t@grobox.de> | 2020-03-18 14:24:41 -0300 |
commit | a4796ec47d89a851b260b6fc195494547208a025 (patch) | |
tree | d2941b68ff2ce22c523e7aa634965033b1100560 /merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoriesFragment.kt | |
download | taler-android-a4796ec47d89a851b260b6fc195494547208a025.tar.gz taler-android-a4796ec47d89a851b260b6fc195494547208a025.tar.bz2 taler-android-a4796ec47d89a851b260b6fc195494547208a025.zip |
Merge all three apps into one repository
Diffstat (limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoriesFragment.kt')
-rw-r--r-- | merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoriesFragment.kt | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoriesFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoriesFragment.kt new file mode 100644 index 0000000..34b97c0 --- /dev/null +++ b/merchant-terminal/src/main/java/net/taler/merchantpos/order/CategoriesFragment.kt @@ -0,0 +1,106 @@ +/* + * 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 android.widget.Button +import androidx.fragment.app.Fragment +import androidx.fragment.app.activityViewModels +import androidx.lifecycle.Observer +import androidx.recyclerview.widget.LinearLayoutManager +import androidx.recyclerview.widget.RecyclerView +import androidx.recyclerview.widget.RecyclerView.Adapter +import kotlinx.android.synthetic.main.fragment_categories.* +import net.taler.merchantpos.MainViewModel +import net.taler.merchantpos.R +import net.taler.merchantpos.order.CategoryAdapter.CategoryViewHolder + +interface CategorySelectionListener { + fun onCategorySelected(category: Category) +} + +class CategoriesFragment : Fragment(), CategorySelectionListener { + + private val viewModel: MainViewModel by activityViewModels() + private val orderManager by lazy { viewModel.orderManager } + private val adapter = CategoryAdapter(this) + + override fun onCreateView( + inflater: LayoutInflater, + container: ViewGroup?, + savedInstanceState: Bundle? + ): View? { + return inflater.inflate(R.layout.fragment_categories, container, false) + } + + override fun onViewCreated(view: View, savedInstanceState: Bundle?) { + categoriesList.apply { + adapter = this@CategoriesFragment.adapter + layoutManager = LinearLayoutManager(requireContext()) + } + + orderManager.categories.observe(viewLifecycleOwner, Observer { categories -> + adapter.setItems(categories) + progressBar.visibility = INVISIBLE + }) + } + + override fun onCategorySelected(category: Category) { + orderManager.setCurrentCategory(category) + } + +} + +private class CategoryAdapter( + private val listener: CategorySelectionListener +) : Adapter<CategoryViewHolder>() { + + private val categories = ArrayList<Category>() + + override fun getItemCount() = categories.size + + override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CategoryViewHolder { + val view = + LayoutInflater.from(parent.context).inflate(R.layout.list_item_category, parent, false) + return CategoryViewHolder(view) + } + + override fun onBindViewHolder(holder: CategoryViewHolder, position: Int) { + holder.bind(categories[position]) + } + + fun setItems(items: List<Category>) { + categories.clear() + categories.addAll(items) + notifyDataSetChanged() + } + + private inner class CategoryViewHolder(v: View) : RecyclerView.ViewHolder(v) { + private val button: Button = v.findViewById(R.id.button) + + fun bind(category: Category) { + button.text = category.localizedName + button.isPressed = category.selected + button.setOnClickListener { listener.onCategorySelected(category) } + } + } + +} |