mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-09-06 22:45:33 +02:00
148 lines
4.8 KiB
Java
148 lines
4.8 KiB
Java
/*
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* Sortable Preference ListView. Allows for sorting items in a view,
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* and selecting which ones to use.
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*
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* Example Usage (In a preference file)
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*
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* <com.mobeta.android.demodslv.SortableListPreference
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* android:defaultValue="@array/pref_name_defaults"
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* android:entries="@array/pref_name_titles"
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* android:entryValues="@array/pref_name_values"
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* android:key="name_order"
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* android:persistent="true"
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* android:title="@string/pref_name_selection" />
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*
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* Original Source: https://github.com/kd7uiy/drag-sort-listview
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013 The Making of a Ham, http://www.kd7uiy.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Code snippets copied from the following sources:
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* https://gist.github.com/cardil/4754571
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*
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*
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*/
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package com.mobeta.android.dslv;
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import android.view.View;
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import android.widget.ArrayAdapter;
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import androidx.annotation.NonNull;
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import androidx.preference.ListPreference;
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import androidx.preference.Preference;
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import com.google.android.material.dialog.MaterialAlertDialogBuilder;
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import java.util.ArrayList;
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import java.util.List;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.util.dialogs.MaterialListPreferenceDialogFragment;
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public class DragSortListPreferenceFragment extends MaterialListPreferenceDialogFragment implements ListPreference.TargetFragment {
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protected DragSortListView mListView;
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protected ArrayAdapter<CharSequence> mAdapter;
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@Override
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protected void onBindDialogView(View view) {
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super.onBindDialogView(view);
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mListView = (DragSortListView) view.findViewById(android.R.id.list);
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mAdapter = new ArrayAdapter<>(mListView.getContext(),
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R.layout.list_item_checkable, R.id.text);
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mListView.setAdapter(mAdapter);
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// This will drop the item in the new location
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mListView.setDropListener(new DragSortListView.DropListener() {
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@Override
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public void drop(int from, int to) {
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CharSequence item = mAdapter.getItem(from);
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mAdapter.remove(item);
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mAdapter.insert(item, to);
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// Updates checked states
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mListView.moveCheckState(from, to);
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}
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});
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DragSortListPreference dslp = ((DragSortListPreference)getPreference());
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CharSequence[] entries = dslp.getEntries();
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CharSequence[] entryValues = dslp.getEntryValues();
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if (entries == null || entryValues == null
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|| entries.length != entryValues.length) {
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throw new IllegalStateException(
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"SortableListPreference requires an entries array and an entryValues "
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+ "array which are both the same length");
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}
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CharSequence[] restoredValues = ((DragSortListPreference)getPreference()).restoreEntries();
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int i = 0;
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for (CharSequence value : restoredValues) {
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int index = dslp.getValueIndex(value);
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if (index >=0) {
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mAdapter.add(entries[index]);
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Boolean checked = dslp.getEntryChecked().get(value);
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if (checked != null && checked.equals(true)) {
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mListView.setItemChecked(i, true);
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}
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}
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i++;
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}
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}
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@Override
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protected void onPrepareDialogBuilder(MaterialAlertDialogBuilder builder) {
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// must be empty
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}
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public void onDialogClosed(boolean positiveResult) {
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DragSortListPreference dslp = ((DragSortListPreference)getPreference());
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List<CharSequence> values = new ArrayList<>();
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CharSequence[] entryValues = dslp.getEntryValues();
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if (positiveResult && entryValues != null) {
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for (int i = 0; i < entryValues.length; i++) {
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String val = (String) mAdapter.getItem(i);
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boolean isChecked = mListView.isItemChecked(i);
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if (isChecked) {
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values.add(entryValues[dslp.getValueTitleIndex(val)]);
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}
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}
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String value = DragSortListPreference.join(values);
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dslp.setValueAndEvent(value);
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dslp.persistStringValue(value);
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}
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}
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@Override
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public Preference findPreference(@NonNull CharSequence key) {
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return getPreference();
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}
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}
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