mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-09-06 06:25:20 +02:00
186 lines
5.9 KiB
Java
186 lines
5.9 KiB
Java
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/*
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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.content.Context;
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import android.content.res.TypedArray;
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import android.util.AttributeSet;
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import androidx.preference.ListPreference;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import nodomain.freeyourgadget.gadgetbridge.R;
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public class DragSortListPreference extends ListPreference {
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public HashMap<CharSequence, Boolean> getEntryChecked() {
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return entryChecked;
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}
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private final HashMap<CharSequence, Boolean> entryChecked;
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public DragSortListPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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setDialogLayoutResource(R.layout.sort_list_array_dialog_preference);
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entryChecked = new HashMap<>();
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}
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public static CharSequence[] decodeValue(String input) {
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if (input == null) {
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return null;
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}
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if (input.equals("")) {
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return new CharSequence[0];
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}
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return input.split(",");
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}
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void setValueAndEvent(String value) {
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if (callChangeListener(decodeValue(value))) {
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setValue(value);
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}
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}
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@Override
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protected Object onGetDefaultValue(TypedArray typedArray, int index) {
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return typedArray.getTextArray(index);
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}
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@Override
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protected void onSetInitialValue(boolean restoreValue,
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Object rawDefaultValue) {
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String value;
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CharSequence[] defaultValue;
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if (rawDefaultValue == null) {
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defaultValue = new CharSequence[0];
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} else {
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defaultValue = (CharSequence[]) rawDefaultValue;
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}
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List<CharSequence> joined = Arrays.asList(defaultValue);
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String joinedDefaultValue = join(joined);
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if (restoreValue) {
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value = getPersistedString(joinedDefaultValue);
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} else {
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value = joinedDefaultValue;
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}
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setValueAndEvent(value);
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}
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public int getValueIndex(CharSequence item) {
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CharSequence[] entryValues = getEntryValues();
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for (int i = 0; i < entryValues.length; i++) {
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if (entryValues[i].equals(item)) {
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return i;
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}
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}
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return -1;
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}
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CharSequence[] restoreEntries() {
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ArrayList<CharSequence> orderedList = new ArrayList<>();
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// Initially populated with all of the values in the determined list.
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CharSequence[] values = decodeValue(getValue());
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for (CharSequence value : values) {
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orderedList.add(value);
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entryChecked.put(value, true);
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}
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// This loop sets the default states, and adds to the name list if not
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// on the list.
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for (CharSequence value : getEntryValues()) {
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if (!orderedList.contains(value)) {
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orderedList.add(value);
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entryChecked.put(value, false);
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}
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}
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return orderedList.toArray(new CharSequence[0]);
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}
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public int getValueTitleIndex(CharSequence item) {
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CharSequence[] entries = getEntries();
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for (int i = 0; i < entries.length; i++) {
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if (entries[i].equals(item)) {
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return i;
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}
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}
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throw new IllegalStateException(item + " not found in value title list");
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}
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/**
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* Joins array of object to single string by separator
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* <p>
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* Credits to kurellajunior on this post
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* http://snippets.dzone.com/posts/show/91
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*
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* @param iterable any kind of iterable ex.: <code>["a", "b", "c"]</code>
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* @return joined string ex.: <code>"a,b,c"</code>
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*/
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protected static String join(Iterable<?> iterable) {
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Iterator<?> oIter;
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if (iterable == null || (!(oIter = iterable.iterator()).hasNext()))
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return "";
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StringBuilder oBuilder = new StringBuilder(String.valueOf(oIter.next()));
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while (oIter.hasNext())
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oBuilder.append(",").append(oIter.next());
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return oBuilder.toString();
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}
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void persistStringValue(String value) {
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persistString(value);
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}
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}
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