49b6103b56
Lots of updates to handle static setting of entries/values Callbacks are now through preference changes Fix weird inconsistencies in callback return values... Change-Id: I2ebe02c3492ce543162efcd55bdae3f2c4039287
121 lines
3.6 KiB
Java
121 lines
3.6 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import android.content.Context;
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import android.preference.ListPreference;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemSelectedListener;
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import android.widget.ArrayAdapter;
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import android.widget.Spinner;
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import libcore.util.Objects;
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public class DropDownPreference extends ListPreference {
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private final Context mContext;
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private final ArrayAdapter<String> mAdapter;
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private final Spinner mSpinner;
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public DropDownPreference(Context context) {
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this(context, null);
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}
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public DropDownPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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mAdapter = new ArrayAdapter<String>(mContext,
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android.R.layout.simple_spinner_dropdown_item);
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mSpinner = new Spinner(mContext);
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mSpinner.setVisibility(View.INVISIBLE);
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mSpinner.setAdapter(mAdapter);
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mSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
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if (position >= 0) {
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String value = getEntryValues()[position].toString();
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if (!value.equals(getValue()) && callChangeListener(value)) {
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setValue(value);
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}
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}
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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// noop
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}
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});
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setPersistent(false);
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updateEntries();
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}
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@Override
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protected void onClick() {
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mSpinner.performClick();
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}
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public void setDropDownWidth(int dimenResId) {
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mSpinner.setDropDownWidth(mContext.getResources().getDimensionPixelSize(dimenResId));
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}
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@Override
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public void setEntries(CharSequence[] entries) {
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super.setEntries(entries);
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updateEntries();
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}
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private void updateEntries() {
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mAdapter.clear();
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if (getEntries() != null) {
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for (CharSequence c : getEntries()) {
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mAdapter.add(c.toString());
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}
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}
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}
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@Override
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public void setValue(String value) {
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super.setValue(value);
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mSpinner.setSelection(findIndexOfValue(getValue()));
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setSummary(getEntry());
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}
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public void setValueIndex(int index) {
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setValue(getEntryValues()[index].toString());
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}
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@Override
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protected void onBindView(View view) {
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super.onBindView(view);
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if (view.equals(mSpinner.getParent())) return;
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if (mSpinner.getParent() != null) {
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((ViewGroup) mSpinner.getParent()).removeView(mSpinner);
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}
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final ViewGroup vg = (ViewGroup) view;
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vg.addView(mSpinner, 0);
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final ViewGroup.LayoutParams lp = mSpinner.getLayoutParams();
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lp.width = 0;
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mSpinner.setLayoutParams(lp);
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}
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}
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