mirror of https://github.com/beemdevelopment/Aegis
Merge pull request #1054 from orange-elephant/checkboxes-dropdown
Create checkboxes dropdown componentpull/1067/head
Alexander Bakker
2 years ago
committed by
GitHub
commit
121c1dada9
@ -0,0 +1,175 @@
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package com.beemdevelopment.aegis.ui.components;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.text.InputType;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.CheckBox;
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import android.widget.Filter;
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import android.widget.Filterable;
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import androidx.annotation.PluralsRes;
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import androidx.appcompat.widget.AppCompatAutoCompleteTextView;
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import com.beemdevelopment.aegis.R;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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import java.util.TreeSet;
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import java.util.stream.Collectors;
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public class DropdownCheckBoxes extends AppCompatAutoCompleteTextView {
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private @PluralsRes int _selectedCountPlural = R.plurals.dropdown_checkboxes_default_count;
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private boolean _allowFiltering = false;
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private final List<String> _items = new ArrayList<>();
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private List<String> _visibleItems = new ArrayList<>();
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private final Set<String> _checkedItems = new TreeSet<>();
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private CheckboxAdapter _adapter;
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public DropdownCheckBoxes(Context context) {
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super(context);
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initialise(context, null);
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}
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public DropdownCheckBoxes(Context context, AttributeSet attrs) {
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super(context, attrs);
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initialise(context, attrs);
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}
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public DropdownCheckBoxes(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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initialise(context, attrs);
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}
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private void initialise(Context context, AttributeSet attrs) {
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_adapter = new CheckboxAdapter();
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setAdapter(_adapter);
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if (attrs != null) {
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TypedArray a = context.obtainStyledAttributes(
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attrs,
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R.styleable.DropdownCheckBoxes,
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0, 0);
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_allowFiltering = a.getBoolean(R.styleable.DropdownCheckBoxes_allow_filtering, false);
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a.recycle();
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}
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if (!_allowFiltering) {
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setInputType(0);
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} else {
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setInputType(InputType.TYPE_CLASS_TEXT);
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}
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}
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public void addItems(List<String> items, boolean startChecked) {
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_items.addAll(items);
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_visibleItems.addAll(items);
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if (startChecked) {
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_checkedItems.addAll(items);
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}
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updateCheckedItemsCountText();
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_adapter.notifyDataSetChanged();
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}
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private void updateCheckedItemsCountText() {
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if (_allowFiltering) {
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return;
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}
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int count = _checkedItems.size();
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String countString = getResources().getQuantityString(_selectedCountPlural, count, count);
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setText(countString, false);
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}
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public void setCheckedItemsCountTextRes(@PluralsRes int resId) {
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_selectedCountPlural = resId;
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}
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public Set<String> getCheckedItems() {
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return _checkedItems;
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}
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private class CheckboxAdapter extends BaseAdapter implements Filterable {
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@Override
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public int getCount() {
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return _visibleItems.size();
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}
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@Override
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public String getItem(int i) {
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return _visibleItems.get(i);
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}
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@Override
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public long getItemId(int i) {
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return i;
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}
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@Override
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public View getView(int i, View convertView, ViewGroup viewGroup) {
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if (convertView == null) {
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convertView = LayoutInflater.from(getContext()).inflate(R.layout.dropdown_checkbox, viewGroup, false);
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}
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String item = _visibleItems.get(i);
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CheckBox checkBox = convertView.findViewById(R.id.checkbox_in_dropdown);
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checkBox.setText(item);
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checkBox.setChecked(_checkedItems.contains(item));
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checkBox.setOnCheckedChangeListener((buttonView, isChecked) -> {
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String label = buttonView.getText().toString();
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if (isChecked) {
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_checkedItems.add(label);
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} else {
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_checkedItems.remove(label);
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}
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updateCheckedItemsCountText();
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});
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return convertView;
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}
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@Override
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public Filter getFilter() {
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return new Filter() {
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@Override
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protected FilterResults performFiltering(CharSequence query) {
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FilterResults results = new FilterResults();
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results.values = (query == null || query.toString().isEmpty())
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? _items
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: _items.stream().filter(str -> {
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String q = query.toString().toLowerCase();
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String strLower = str.toLowerCase();
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return strLower.contains(q);
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})
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.collect(Collectors.toList());
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return results;
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}
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@Override
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protected void publishResults(CharSequence charSequence, FilterResults filterResults) {
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_visibleItems = (List<String>) filterResults.values;
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notifyDataSetChanged();
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}
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};
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}
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}
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}
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@ -0,0 +1,12 @@
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<?xml version="1.0" encoding="utf-8"?>
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<androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<CheckBox
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android:id="@+id/checkbox_in_dropdown"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:buttonTint="@color/colorSecondary"/>
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</androidx.appcompat.widget.LinearLayoutCompat>
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