41 lines
1.4 KiB
Kotlin
41 lines
1.4 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 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.extension
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import androidx.preference.Preference
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import androidx.preference.PreferenceGroup
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import androidx.preference.PreferenceScreen
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import java.util.*
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fun Preference.findParent(screen: PreferenceScreen): PreferenceGroup? {
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val curParents = Stack<PreferenceGroup>()
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curParents.add(screen)
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while (!curParents.isEmpty()) {
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val parent = curParents.pop()
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for (i in 0 until parent.preferenceCount) {
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val child = parent.getPreference(i)
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if (child == this) return parent
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if (child is PreferenceGroup) {
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curParents.push(child)
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}
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}
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}
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return null
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} |