103 lines
3.3 KiB
Java
103 lines
3.3 KiB
Java
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
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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.mariotaku.twidere.preference;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.DialogInterface.OnClickListener;
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import android.content.DialogInterface.OnMultiChoiceClickListener;
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import android.content.SharedPreferences;
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import android.preference.DialogPreference;
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import android.util.AttributeSet;
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abstract class MultiSelectListPreference extends DialogPreference implements OnMultiChoiceClickListener,
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OnClickListener {
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private final boolean[] mValues, mDefaultValues;
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private SharedPreferences mPreferences;
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private final String[] mNames, mKeys;
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protected MultiSelectListPreference(final Context context) {
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this(context, null);
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}
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protected MultiSelectListPreference(final Context context, final AttributeSet attrs) {
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this(context, attrs, android.R.attr.preferenceStyle);
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}
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protected MultiSelectListPreference(final Context context, final AttributeSet attrs, final int defStyle) {
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super(context, attrs, defStyle);
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mNames = getNames();
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mKeys = getKeys();
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mDefaultValues = getDefaults();
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final int length = mNames.length;
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if (length != mKeys.length || length != mDefaultValues.length) throw new IllegalArgumentException();
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mValues = new boolean[length];
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}
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@Override
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public void onClick(final DialogInterface dialog, final int which) {
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if (mPreferences == null) return;
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switch (which) {
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case DialogInterface.BUTTON_POSITIVE:
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final SharedPreferences.Editor editor = mPreferences.edit();
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final int length = mKeys.length;
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for (int i = 0; i < length; i++) {
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editor.putBoolean(mKeys[i], mValues[i]);
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}
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editor.apply();
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break;
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}
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}
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@Override
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public void onClick(final DialogInterface dialog, final int which, final boolean isChecked) {
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mValues[which] = isChecked;
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}
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@Override
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public void onPrepareDialogBuilder(final AlertDialog.Builder builder) {
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super.onPrepareDialogBuilder(builder);
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mPreferences = getDefaultSharedPreferences();
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if (mPreferences == null) return;
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final int length = mKeys.length;
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for (int i = 0; i < length; i++) {
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mValues[i] = mPreferences.getBoolean(mKeys[i], mDefaultValues[i]);
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}
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builder.setPositiveButton(android.R.string.ok, this);
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builder.setNegativeButton(android.R.string.cancel, null);
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builder.setMultiChoiceItems(mNames, mValues, this);
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}
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protected abstract boolean[] getDefaults();
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protected SharedPreferences getDefaultSharedPreferences() {
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return getSharedPreferences();
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}
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protected abstract String[] getKeys();
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protected abstract String[] getNames();
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}
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