| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.deskclock; |
| |
| import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE; |
| |
| import android.app.Dialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.res.ColorStateList; |
| import android.os.Bundle; |
| import android.text.Editable; |
| import android.text.InputType; |
| import android.text.TextUtils; |
| import android.text.TextWatcher; |
| import android.view.KeyEvent; |
| import android.view.Window; |
| import android.view.inputmethod.EditorInfo; |
| import android.widget.TextView; |
| |
| import androidx.annotation.NonNull; |
| import androidx.appcompat.app.AlertDialog; |
| import androidx.appcompat.widget.AppCompatEditText; |
| import androidx.fragment.app.DialogFragment; |
| import androidx.fragment.app.Fragment; |
| import androidx.fragment.app.FragmentManager; |
| import androidx.fragment.app.FragmentTransaction; |
| |
| import com.android.deskclock.data.DataModel; |
| import com.android.deskclock.data.Timer; |
| import com.android.deskclock.provider.Alarm; |
| |
| /** |
| * DialogFragment to edit label. |
| */ |
| public class LabelDialogFragment extends DialogFragment { |
| |
| /** |
| * The tag that identifies instances of LabelDialogFragment in the fragment manager. |
| */ |
| private static final String TAG = "label_dialog"; |
| |
| private static final String ARG_LABEL = "arg_label"; |
| private static final String ARG_ALARM = "arg_alarm"; |
| private static final String ARG_TIMER_ID = "arg_timer_id"; |
| private static final String ARG_TAG = "arg_tag"; |
| |
| private AppCompatEditText mLabelBox; |
| private Alarm mAlarm; |
| private int mTimerId; |
| private String mTag; |
| |
| public static LabelDialogFragment newInstance(Alarm alarm, String label, String tag) { |
| final Bundle args = new Bundle(); |
| args.putString(ARG_LABEL, label); |
| args.putParcelable(ARG_ALARM, alarm); |
| args.putString(ARG_TAG, tag); |
| |
| final LabelDialogFragment frag = new LabelDialogFragment(); |
| frag.setArguments(args); |
| return frag; |
| } |
| |
| public static LabelDialogFragment newInstance(Timer timer) { |
| final Bundle args = new Bundle(); |
| args.putString(ARG_LABEL, timer.getLabel()); |
| args.putInt(ARG_TIMER_ID, timer.getId()); |
| |
| final LabelDialogFragment frag = new LabelDialogFragment(); |
| frag.setArguments(args); |
| return frag; |
| } |
| |
| /** |
| * Replaces any existing LabelDialogFragment with the given {@code fragment}. |
| */ |
| public static void show(FragmentManager manager, LabelDialogFragment fragment) { |
| if (manager == null || manager.isDestroyed()) { |
| return; |
| } |
| |
| // Finish any outstanding fragment work. |
| manager.executePendingTransactions(); |
| |
| final FragmentTransaction tx = manager.beginTransaction(); |
| |
| // Remove existing instance of LabelDialogFragment if necessary. |
| final Fragment existing = manager.findFragmentByTag(TAG); |
| if (existing != null) { |
| tx.remove(existing); |
| } |
| tx.addToBackStack(null); |
| |
| fragment.show(tx, TAG); |
| } |
| |
| @Override |
| public void onSaveInstanceState(@NonNull Bundle outState) { |
| super.onSaveInstanceState(outState); |
| // As long as the label box exists, save its state. |
| if (mLabelBox != null) { |
| outState.putString(ARG_LABEL, mLabelBox.getText().toString()); |
| } |
| } |
| |
| @NonNull |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| final Bundle args = getArguments() == null ? Bundle.EMPTY : getArguments(); |
| mAlarm = args.getParcelable(ARG_ALARM); |
| mTimerId = args.getInt(ARG_TIMER_ID, -1); |
| mTag = args.getString(ARG_TAG); |
| |
| String label = args.getString(ARG_LABEL); |
| if (savedInstanceState != null) { |
| label = savedInstanceState.getString(ARG_LABEL, label); |
| } |
| |
| final AlertDialog dialog = new AlertDialog.Builder(getActivity()) |
| .setPositiveButton(android.R.string.ok, new OkListener()) |
| .setNegativeButton(android.R.string.cancel, null /* listener */) |
| .setMessage(R.string.label) |
| .create(); |
| final Context context = dialog.getContext(); |
| |
| final int colorControlActivated = |
| ThemeUtils.resolveColor(context, R.attr.colorControlActivated); |
| final int colorControlNormal = |
| ThemeUtils.resolveColor(context, R.attr.colorControlNormal); |
| |
| mLabelBox = new AppCompatEditText(context); |
| mLabelBox.setSupportBackgroundTintList(new ColorStateList( |
| new int[][] { { android.R.attr.state_activated }, {} }, |
| new int[] { colorControlActivated, colorControlNormal })); |
| mLabelBox.setOnEditorActionListener(new ImeDoneListener()); |
| mLabelBox.addTextChangedListener(new TextChangeListener()); |
| mLabelBox.setSingleLine(); |
| mLabelBox.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_SENTENCES); |
| mLabelBox.setText(label); |
| mLabelBox.selectAll(); |
| |
| // The line at the bottom of EditText is part of its background therefore the padding |
| // must be added to its container. |
| final int padding = context.getResources() |
| .getDimensionPixelSize(R.dimen.label_edittext_padding); |
| dialog.setView(mLabelBox, padding, 0, padding, 0); |
| |
| final Window alertDialogWindow = dialog.getWindow(); |
| if (alertDialogWindow != null) { |
| alertDialogWindow.setSoftInputMode(SOFT_INPUT_STATE_VISIBLE); |
| } |
| return dialog; |
| } |
| |
| @Override |
| public void onDestroyView() { |
| super.onDestroyView(); |
| |
| // Stop callbacks from the IME since there is no view to process them. |
| mLabelBox.setOnEditorActionListener(null); |
| } |
| |
| /** |
| * Sets the new label into the timer or alarm. |
| */ |
| private void setLabel() { |
| String label = mLabelBox.getText().toString(); |
| if (label.trim().isEmpty()) { |
| // Don't allow user to input label with only whitespace. |
| label = ""; |
| } |
| |
| if (mAlarm != null) { |
| ((AlarmLabelDialogHandler) getActivity()).onDialogLabelSet(mAlarm, label, mTag); |
| } else if (mTimerId >= 0) { |
| final Timer timer = DataModel.getDataModel().getTimer(mTimerId); |
| if (timer != null) { |
| DataModel.getDataModel().setTimerLabel(timer, label); |
| } |
| } |
| } |
| |
| public interface AlarmLabelDialogHandler { |
| void onDialogLabelSet(Alarm alarm, String label, String tag); |
| } |
| |
| /** |
| * Alters the UI to indicate when input is valid or invalid. |
| */ |
| private class TextChangeListener implements TextWatcher { |
| @Override |
| public void onTextChanged(CharSequence s, int start, int before, int count) { |
| mLabelBox.setActivated(!TextUtils.isEmpty(s)); |
| } |
| |
| @Override |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
| } |
| |
| @Override |
| public void afterTextChanged(Editable editable) { |
| } |
| } |
| |
| /** |
| * Handles completing the label edit from the IME keyboard. |
| */ |
| private class ImeDoneListener implements TextView.OnEditorActionListener { |
| @Override |
| public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { |
| if (actionId == EditorInfo.IME_ACTION_DONE) { |
| setLabel(); |
| dismissAllowingStateLoss(); |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| /** |
| * Handles completing the label edit from the Ok button of the dialog. |
| */ |
| private class OkListener implements DialogInterface.OnClickListener { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| setLabel(); |
| dismiss(); |
| } |
| } |
| } |