/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of linphone-android
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* (see https://www.linphone.org).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.linphone.utils;
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import android.app.Dialog;
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import android.content.Context;
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import android.view.View;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import androidx.recyclerview.widget.RecyclerView;
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import org.linphone.R;
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public class SelectableHelper {
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private final ImageView mEditButton;
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private final ImageView mSelectAllButton;
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private final ImageView mDeselectAllButton;
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private final ImageView mDeleteSelectionButton;
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private final LinearLayout mEditTopBar;
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private final LinearLayout mTopBar;
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private SelectableAdapter<RecyclerView.ViewHolder> mAdapter;
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private final DeleteListener mDeleteListener;
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private final Context mContext;
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private int mDialogDeleteMessageResourceId;
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public SelectableHelper(View view, DeleteListener listener) {
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mContext = view.getContext();
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mDeleteListener = listener;
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mEditTopBar = view.findViewById(R.id.edit_list);
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mTopBar = view.findViewById(R.id.top_bar);
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ImageView cancelButton = view.findViewById(R.id.cancel);
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cancelButton.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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quitEditionMode();
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}
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});
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mEditButton = view.findViewById(R.id.edit);
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mEditButton.setEnabled(false);
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mEditButton.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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if (mAdapter.getItemCount() > 0) {
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enterEditionMode();
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mTopBar.setVisibility(View.GONE);
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mEditTopBar.setVisibility(View.VISIBLE);
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}
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}
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});
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mSelectAllButton = view.findViewById(R.id.select_all);
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mSelectAllButton.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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mAdapter.selectAll();
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}
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});
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mDeselectAllButton = view.findViewById(R.id.deselect_all);
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mDeselectAllButton.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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mAdapter.deselectAll();
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}
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});
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mDeleteSelectionButton = view.findViewById(R.id.delete);
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mDeleteSelectionButton.setEnabled(false);
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mDeleteSelectionButton.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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final Dialog dialog =
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LinphoneUtils.getDialog(
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mContext,
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mContext.getString(mDialogDeleteMessageResourceId));
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Button delete = dialog.findViewById(R.id.dialog_delete_button);
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Button cancel = dialog.findViewById(R.id.dialog_cancel_button);
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delete.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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mDeleteListener.onDeleteSelection(getSelectedObjects());
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mEditButton.setEnabled(mAdapter.getItemCount() != 0);
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dialog.dismiss();
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quitEditionMode();
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}
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});
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cancel.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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dialog.dismiss();
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quitEditionMode();
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}
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});
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dialog.show();
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}
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});
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mDialogDeleteMessageResourceId = R.string.delete_text;
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}
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public void setDialogMessage(int id) {
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mDialogDeleteMessageResourceId = id;
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}
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public SelectableAdapter getAdapter() {
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return mAdapter;
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}
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public void setAdapter(SelectableAdapter adapter) {
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mAdapter = adapter;
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mEditButton.setEnabled(mAdapter.getItemCount() != 0);
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}
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public void updateSelectionButtons(boolean isSelectionEmpty, boolean isSelectionFull) {
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if (isSelectionEmpty) {
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mDeleteSelectionButton.setEnabled(false);
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} else {
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mDeleteSelectionButton.setEnabled(true);
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}
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if (isSelectionFull) {
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mSelectAllButton.setVisibility(View.GONE);
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mDeselectAllButton.setVisibility(View.VISIBLE);
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} else {
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mSelectAllButton.setVisibility(View.VISIBLE);
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mDeselectAllButton.setVisibility(View.GONE);
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}
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}
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private void quitEditionMode() {
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mAdapter.enableEdition(false);
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mTopBar.setVisibility(View.VISIBLE);
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mEditTopBar.setVisibility(View.GONE);
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mDeleteSelectionButton.setEnabled(false);
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mSelectAllButton.setVisibility(View.GONE);
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mDeselectAllButton.setVisibility(View.VISIBLE);
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}
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public void enterEditionMode() {
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mAdapter.enableEdition(true);
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mTopBar.setVisibility(View.GONE);
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mEditTopBar.setVisibility(View.VISIBLE);
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mDeleteSelectionButton.setEnabled(false);
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mSelectAllButton.setVisibility(View.VISIBLE);
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mDeselectAllButton.setVisibility(View.GONE);
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}
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private Object[] getSelectedObjects() {
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Object[] objects = new Object[mAdapter.getSelectedItemCount()];
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int index = 0;
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for (Integer i : mAdapter.getSelectedItems()) {
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objects[index] = mAdapter.getItem(i);
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index++;
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}
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return objects;
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}
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public void setEditButtonVisibility(boolean visible) {
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mEditButton.setVisibility(visible ? View.VISIBLE : View.GONE);
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}
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public interface DeleteListener {
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void onDeleteSelection(Object[] objectsToDelete);
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}
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}
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