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/**
* Copyright (c) 2018 LEAP Encryption Access Project and contributers
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package se.leap.bitmaskclient;
import android.support.annotation.NonNull;
import android.support.v7.widget.SwitchCompat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CompoundButton;
import android.widget.TextView;
import java.util.ArrayList;
/**
* Created by cyberta on 21.02.18.
*/
public class DrawerSettingsAdapter extends BaseAdapter {
//item types
public static final int NONE = -1;
public static final int SWITCH_PROVIDER = 0;
public static final int LOG = 1;
public static final int ABOUT = 2;
public static final int BATTERY_SAVER = 3;
//view types
public final static int VIEW_SIMPLE_TEXT = 0;
public final static int VIEW_SWITCH = 1;
public static class DrawerSettingsItem {
private String description = "";
private int viewType = VIEW_SIMPLE_TEXT;
private boolean isChecked = false;
private int itemType = NONE;
private CompoundButton.OnCheckedChangeListener callback;
private DrawerSettingsItem(String description, int viewType, boolean isChecked, int itemType, CompoundButton.OnCheckedChangeListener callback) {
this.description = description;
this.viewType = viewType;
this.isChecked = isChecked;
this.itemType = itemType;
this.callback = callback;
}
public static DrawerSettingsItem getSimpleTextInstance(String description, int itemType) {
return new DrawerSettingsItem(description, VIEW_SIMPLE_TEXT, false, itemType, null);
}
public static DrawerSettingsItem getSwitchInstance(String description, boolean isChecked, int itemType, CompoundButton.OnCheckedChangeListener callback) {
return new DrawerSettingsItem(description, VIEW_SWITCH, isChecked, itemType, callback);
}
public int getItemType() {
return itemType;
}
public void setChecked(boolean checked) {
isChecked = checked;
}
public boolean isChecked() {
return isChecked;
}
}
private ArrayList<DrawerSettingsItem> mData = new ArrayList<>();
private LayoutInflater mInflater;
public DrawerSettingsAdapter(LayoutInflater layoutInflater) {
mInflater = layoutInflater;
}
public void addItem(final DrawerSettingsItem item) {
mData.add(item);
notifyDataSetChanged();
}
@Override
public int getItemViewType(int position) {
DrawerSettingsItem item = mData.get(position);
return item.viewType;
}
@Override
public int getViewTypeCount() {
boolean hasSwitchItem = false;
for (DrawerSettingsItem item : mData) {
if (item.viewType == VIEW_SWITCH) {
hasSwitchItem = true;
break;
}
}
return hasSwitchItem ? 2 : 1;
}
@Override
public int getCount() {
return mData.size();
}
@Override
public DrawerSettingsItem getItem(int position) {
return mData.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
DrawerSettingsItem drawerSettingsItem = mData.get(position);
ViewHolder holder = null;
int type = getItemViewType(position);
if (convertView == null) {
holder = new ViewHolder();
switch(type) {
case VIEW_SIMPLE_TEXT:
convertView = initTextViewBinding(holder);
holder.textView.setText(drawerSettingsItem.description);
break;
case VIEW_SWITCH:
convertView = initSwitchBinding(holder);
bindSwitch(drawerSettingsItem, holder);
break;
}
convertView.setTag(holder);
} else {
holder = (ViewHolder)convertView.getTag();
switch (type) {
case VIEW_SIMPLE_TEXT:
if (holder.isSwitchViewHolder()) {
holder.resetSwitchView();
convertView = initTextViewBinding(holder);
}
holder.textView.setText(drawerSettingsItem.description);
break;
case VIEW_SWITCH:
if (!holder.isSwitchViewHolder()) {
holder.resetTextView();
convertView = initSwitchBinding(holder);
}
bindSwitch(drawerSettingsItem, holder);
break;
}
convertView.setTag(holder);
}
return convertView;
}
private void bindSwitch(DrawerSettingsItem drawerSettingsItem, ViewHolder holder) {
holder.switchView.setChecked(drawerSettingsItem.isChecked);
holder.switchView.setText(drawerSettingsItem.description);
holder.switchView.setOnCheckedChangeListener(drawerSettingsItem.callback);
}
@NonNull
private View initSwitchBinding(ViewHolder holder) {
View convertView = mInflater.inflate(R.layout.switch_list_item, null);
holder.switchView = convertView.findViewById(android.R.id.text1);
return convertView;
}
@NonNull
private View initTextViewBinding(ViewHolder holder) {
View convertView = mInflater.inflate(R.layout.single_list_item, null);
holder.textView = convertView.findViewById(android.R.id.text1);
return convertView;
}
public DrawerSettingsItem getDrawerItem(int elementType) {
for (DrawerSettingsItem item : mData) {
if (item.itemType == elementType) {
return item;
}
}
return null;
}
static class ViewHolder {
TextView textView;
SwitchCompat switchView;
boolean isSwitchViewHolder() {
return switchView != null;
}
void resetSwitchView() {
switchView.setOnCheckedChangeListener(null);
switchView = null;
}
void resetTextView() {
textView = null;
}
}
}
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