package com.kunzisoft.switchdatetime.time;
/*
* Copyright (C) 2013 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
*/
import android.animation.ObjectAnimator;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import android.os.Build;
import android.os.Bundle;
import android.text.method.TransformationMethod;
import android.util.Log;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.widget.TextView;
import com.kunzisoft.switchdatetime.R;
import com.kunzisoft.switchdatetime.Utils;
import java.text.DateFormatSymbols;
import java.util.ArrayList;
import java.util.Locale;
/**
* Dialog to set a time.
*/
public class SwitchTimePicker implements RadialPickerLayout.OnValueSelectedListener {
private static final String TAG = "TimePickerDialog";
private static final String KEY_HOUR_OF_DAY = "hour_of_day";
private static final String KEY_MINUTE = "minute";
private static final String KEY_IS_24_HOUR_VIEW = "is_24_hour_view";
private static final String KEY_HIGHLIGHT_SELECTED_AM_PM_VIEW = "highlight_selected_AM_PM_view";
private static final String KEY_CURRENT_ITEM_SHOWING = "current_item_showing";
private static final String KEY_IN_KB_MODE = "in_kb_mode";
private static final String KEY_TYPED_TIMES = "typed_times";
private static final String KEY_VIBRATE = "vibrate";
public static final int HOUR_INDEX = 0;
public static final int MINUTE_INDEX = 1;
// NOT a real index for the purpose of what's showing.
public static final int AMPM_INDEX = 2;
// Also NOT a real index, just used for keyboard mode.
public static final int ENABLE_PICKER_INDEX = 3;
public static final int AM = 0;
public static final int PM = 1;
// Delay before starting the pulse animation, in ms.
private static final int PULSE_ANIMATOR_DELAY = 300;
private Context mContext;
private OnTimeSelectedListener onTimeSelectedListener;
private OnClickListener onClickTimeListener;
private int mCurrentViewShow;
private TextView mHourView;
private TextView mMinuteView;
private TextView mAmPmTextView;
private View mAmPmHitspace;
private RadialPickerLayout mTimePicker;
//private int mColorAccent;
//private int mColor;
private String mAmText;
private String mPmText;
private boolean mAllowAutoAdvance;
private int hourOfDay;
private int minute;
private boolean mIs24HourMode;
private boolean mHighlightAMPMSelection;
// For hardware IME input.
private char mPlaceholderText;
private String mDoublePlaceholderText;
private String mDeletedKeyFormat;
private boolean mInKbMode;
private ArrayList<Integer> mTypedTimes;
private Node mLegalTimesTree;
private int mAmKeyCode;
private int mPmKeyCode;
// Accessibility strings.
private String mHourPickerDescription;
private String mSelectHours;
private String mMinutePickerDescription;
private String mSelectMinutes;
// Enable/Disable Vibrations
private boolean mVibrate = true;
private boolean isSelected = false;
public SwitchTimePicker(Context context, OnTimeSelectedListener callback) {
mContext = context;
onTimeSelectedListener = callback;
mIs24HourMode = false;
mHighlightAMPMSelection = false;
mInKbMode = false;
mVibrate = false;
}
public SwitchTimePicker(Context context, OnTimeSelectedListener callback,
Bundle savedInstanceState) {
this(context, callback);
if (savedInstanceState != null) {
if(savedInstanceState.containsKey(KEY_HOUR_OF_DAY))
hourOfDay = savedInstanceState.getInt(KEY_HOUR_OF_DAY);
if(savedInstanceState.containsKey(KEY_MINUTE))
minute = savedInstanceState.getInt(KEY_MINUTE);
if(savedInstanceState.containsKey(KEY_IS_24_HOUR_VIEW))
mIs24HourMode = savedInstanceState.getBoolean(KEY_IS_24_HOUR_VIEW);
if(savedInstanceState.containsKey(KEY_HIGHLIGHT_SELECTED_AM_PM_VIEW))
mHighlightAMPMSelection = savedInstanceState.getBoolean(KEY_HIGHLIGHT_SELECTED_AM_PM_VIEW);
if(savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING))
mCurrentViewShow = savedInstanceState.getInt(KEY_CURRENT_ITEM_SHOWING);
if(savedInstanceState.containsKey(KEY_IN_KB_MODE))
mInKbMode = savedInstanceState.getBoolean(KEY_IN_KB_MODE);
if(savedInstanceState.containsKey(KEY_VIBRATE))
mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE);
}
}
/**
* Save elements for view
* @param outState
*/
public void onSaveInstanceState(Bundle outState) {
if (mTimePicker != null) {
outState.putInt(KEY_HOUR_OF_DAY, mTimePicker.getHours());
outState.putInt(KEY_MINUTE, mTimePicker.getMinutes());
outState.putBoolean(KEY_IS_24_HOUR_VIEW, mIs24HourMode);
outState.putBoolean(KEY_HIGHLIGHT_SELECTED_AM_PM_VIEW, mHighlightAMPMSelection);
outState.putInt(KEY_CURRENT_ITEM_SHOWING, mTimePicker.getCurrentItemShowing());
outState.putBoolean(KEY_IN_KB_MODE, mInKbMode);
if (mInKbMode) {
outState.putIntegerArrayList(KEY_TYPED_TIMES, mTypedTimes);
}
outState.putBoolean(KEY_VIBRATE, mVibrate);
}
}
public void setOnTimeSetListener(OnTimeSelectedListener callback) {
onTimeSelectedListener = callback;
}
public void setStartTime(int hourOfDay, int minute) {
this.hourOfDay = hourOfDay;
this.minute = minute;
mInKbMode = false;
}
public void setVibrate(boolean vibrate) {
mVibrate = vibrate;
if (mTimePicker != null)
mTimePicker.setVibrate(vibrate);
}
public View onCreateView(final View view,
Bundle savedInstanceState) {
KeyboardListener keyboardListener = new KeyboardListener();
view.setOnKeyListener(keyboardListener);
final Resources resources = mContext.getResources();
mHourPickerDescription = resources.getString(R.string.hour_picker_description);
mSelectHours = resources.getString(R.string.select_hours);
mMinutePickerDescription = resources.getString(R.string.minute_picker_description);
mSelectMinutes = resources.getString(R.string.select_minutes);
mHourView = view.findViewById(R.id.hours);
mHourView.setOnKeyListener(keyboardListener);
mMinuteView = view.findViewById(R.id.minutes);
mMinuteView.setOnKeyListener(keyboardListener);
mAmPmTextView = view.findViewById(R.id.ampm_label);
mAmPmTextView.setOnKeyListener(keyboardListener);
if (Build.VERSION.SDK_INT <= 14) {
mAmPmTextView.setTransformationMethod(new TransformationMethod() {
private final Locale locale = resources.getConfiguration().locale;
@Override
public CharSequence getTransformation(CharSequence source, View view) {
return source != null ? source.toString().toUpperCase(locale) : null;
}
@Override
public void onFocusChanged(View view, CharSequence sourceText, boolean focused, int direction, Rect previouslyFocusedRect) {
}
});
}
String[] amPmTexts = new DateFormatSymbols().getAmPmStrings();
mAmText = amPmTexts[0];
mPmText = amPmTexts[1];
mTimePicker = view.findViewById(R.id.time_picker);
mTimePicker.setOnValueSelectedListener(this);
mTimePicker.setOnKeyListener(keyboardListener);
mTimePicker.initialize(mContext, hourOfDay, minute, mIs24HourMode, mHighlightAMPMSelection, mVibrate);
mCurrentViewShow = HOUR_INDEX;
if (savedInstanceState != null &&
savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING)) {
mCurrentViewShow = savedInstanceState.getInt(KEY_CURRENT_ITEM_SHOWING);
}
setCurrentItemShowing(mCurrentViewShow, false, true, true);
mTimePicker.invalidate();
mHourView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
setCurrentItemShowing(HOUR_INDEX, true, false, true);
mTimePicker.tryVibrate();
if(onClickTimeListener != null)
onClickTimeListener.onClick(mHourView);
}
});
mMinuteView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//if user click minute first then we ask user to select the Hours first.
if(!isSelected){
clickHour();
return;
}
setCurrentItemShowing(MINUTE_INDEX, true, false, true);
mTimePicker.tryVibrate();
if(onClickTimeListener != null)
onClickTimeListener.onClick(mMinuteView);
}
});
// Enable or disable the AM/PM view.
mAmPmHitspace = view.findViewById(R.id.ampm_hitspace);
if (mIs24HourMode) {
mAmPmTextView.setVisibility(View.GONE);
} else {
mAmPmTextView.setVisibility(View.VISIBLE);
updateAmPmDisplay(hourOfDay < 12 ? AM : PM);
mAmPmHitspace.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(onClickTimeListener != null)
onClickTimeListener.onClick(v);
mTimePicker.tryVibrate();
int amOrPm = mTimePicker.getIsCurrentlyAmOrPm();
if (amOrPm == AM) {
amOrPm = PM;
} else if (amOrPm == PM) {
amOrPm = AM;
}
updateAmPmDisplay(amOrPm);
mTimePicker.setAmOrPm(amOrPm);
}
});
}
mAllowAutoAdvance = true;
attributeHour(hourOfDay, true);
attributeMinute(minute);
// Set up for keyboard mode.
mDoublePlaceholderText = resources.getString(R.string.time_placeholder);
mDeletedKeyFormat = resources.getString(R.string.deleted_key);
mPlaceholderText = mDoublePlaceholderText.charAt(0);
mAmKeyCode = mPmKeyCode = -1;
generateLegalTimesTree();
if (mInKbMode) {
if(savedInstanceState != null)
mTypedTimes = savedInstanceState.getIntegerArrayList(KEY_TYPED_TIMES);
tryStartingKbMode(-1);
mHourView.invalidate();
} else if (mTypedTimes == null) {
mTypedTimes = new ArrayList<>();
}
return view;
}
private void updateAmPmDisplay(int amOrPm) {
hourOfDay = hourOfDay % 12;
if (amOrPm == AM) {
mAmPmTextView.setText(mAmText);
Utils.tryAccessibilityAnnounce(mTimePicker, mAmText);
mAmPmHitspace.setContentDescription(mAmText);
} else if (amOrPm == PM) {
mAmPmTextView.setText(mPmText);
Utils.tryAccessibilityAnnounce(mTimePicker, mPmText);
mAmPmHitspace.setContentDescription(mPmText);
hourOfDay += 12;
} else {
mAmPmTextView.setText(mDoublePlaceholderText);
}
if(onTimeSelectedListener != null)
onTimeSelectedListener.onTimeSelected(hourOfDay, minute);
}
/**
* Called by the picker for updating the header display.
*/
@Override
public void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance) {
if (pickerIndex == HOUR_INDEX) {
attributeHour(newValue, false);
String announcement = String.format(Locale.getDefault(), "%d", newValue);
if (mAllowAutoAdvance && autoAdvance) {
setCurrentItemShowing(MINUTE_INDEX, true, true, false);
announcement += ". " + mSelectMinutes;
}
Utils.tryAccessibilityAnnounce(mTimePicker, announcement);
} else if (pickerIndex == MINUTE_INDEX) {
attributeMinute(newValue);
} else if (pickerIndex == AMPM_INDEX) {
updateAmPmDisplay(newValue);
} else if (pickerIndex == ENABLE_PICKER_INDEX) {
if (!isTypedTimeFullyLegal()) {
mTypedTimes.clear();
}
finishKbMode(true);
}
if(onTimeSelectedListener != null)
onTimeSelectedListener.onTimeSelected(hourOfDay, minute);
}
/**
* Assign value to hour (12 or 24 doesn't matter)
*/
private void attributeHour(int value, boolean announce) {
hourOfDay = value;
String format;
if (mIs24HourMode) {
format = "%02d";
} else {
format = "%d";
value = value % 12;
if (value == 0) {
value = 12;
}
}
CharSequence text = String.format(format, value);
mHourView.setText(text);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePicker, text);
}
}
/**
* Assign value to minute
*/
private void attributeMinute(int value) {
minute = value;
if (value == 60) {
value = 0;
}
CharSequence text = String.format(Locale.getDefault(), "%02d", value);
Utils.tryAccessibilityAnnounce(mTimePicker, text);
mMinuteView.setText(text);
}
// Show either Hours or Minutes.
private void setCurrentItemShowing(int index, boolean animateCircle, boolean delayLabelAnimate,
boolean announce) {
mTimePicker.setCurrentItemShowing(index, animateCircle);
TextView labelToAnimate;
if (index == HOUR_INDEX) {
int hours = mTimePicker.getHours();
if (!mIs24HourMode) {
hours = hours % 12;
}
mTimePicker.setContentDescription(mHourPickerDescription + ": " + hours);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePicker, mSelectHours);
}
labelToAnimate = mHourView;
} else {
int minutes = mTimePicker.getMinutes();
mTimePicker.setContentDescription(mMinutePickerDescription + ": " + minutes);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePicker, mSelectMinutes);
}
labelToAnimate = mMinuteView;
}
ObjectAnimator pulseAnimator = Utils.getPulseAnimator(labelToAnimate, 0.85f, 1.1f);
if (delayLabelAnimate) {
pulseAnimator.setStartDelay(PULSE_ANIMATOR_DELAY);
}
pulseAnimator.start();
}
/**
* For keyboard mode, processes key events.
*
* @param keyCode the pressed key.
* @return true if the key was successfully processed, false otherwise.
*/
private boolean processKeyUp(int keyCode) {
if (keyCode == KeyEvent.KEYCODE_ESCAPE || keyCode == KeyEvent.KEYCODE_BACK) {
//dismiss();
return true;
} else if (keyCode == KeyEvent.KEYCODE_TAB) {
if (mInKbMode) {
if (isTypedTimeFullyLegal()) {
finishKbMode(true);
}
return true;
}
} else if (keyCode == KeyEvent.KEYCODE_ENTER) {
if (mInKbMode) {
if (!isTypedTimeFullyLegal()) {
return true;
}
finishKbMode(false);
}
if (onTimeSelectedListener != null) {
onTimeSelectedListener.onTimeSelected(mTimePicker.getHours(), mTimePicker.getMinutes());
}
//dismiss();
return true;
} else if (keyCode == KeyEvent.KEYCODE_DEL) {
if (mInKbMode) {
if (!mTypedTimes.isEmpty()) {
int deleted = deleteLastTypedKey();
String deletedKeyStr;
if (deleted == getAmOrPmKeyCode(AM)) {
deletedKeyStr = mAmText;
} else if (deleted == getAmOrPmKeyCode(PM)) {
deletedKeyStr = mPmText;
} else {
deletedKeyStr = String.format(Locale.getDefault(), "%d", getValFromKeyCode(deleted));
}
Utils.tryAccessibilityAnnounce(mTimePicker,
String.format(mDeletedKeyFormat, deletedKeyStr));
updateDisplay(true);
}
}
} else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1
|| keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3
|| keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
|| keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7
|| keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9
|| (!mIs24HourMode &&
(keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
if (!mInKbMode) {
if (mTimePicker == null) {
// Something's wrong, because time picker should definitely not be null.
Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
return true;
}
mTypedTimes.clear();
tryStartingKbMode(keyCode);
return true;
}
// We're already in keyboard mode.
if (addKeyIfLegal(keyCode)) {
updateDisplay(false);
}
return true;
}
return false;
}
/**
* Try to start keyboard mode with the specified key, as long as the timepicker is not in the
* middle of a touch-event.
*
* @param keyCode The key to use as the first press. Keyboard mode will not be started if the
* key is not legal to start with. Or, pass in -1 to get into keyboard mode without a starting
* key.
*/
private void tryStartingKbMode(int keyCode) {
if (mTimePicker.trySettingInputEnabled(false) &&
(keyCode == -1 || addKeyIfLegal(keyCode))) {
mInKbMode = true;
//mDoneButton.setEnabled(false);
updateDisplay(false);
}
}
private boolean addKeyIfLegal(int keyCode) {
// If we're in 24hour mode, we'll need to check if the input is full. If in AM/PM mode,
// we'll need to see if AM/PM have been typed.
if ((mIs24HourMode && mTypedTimes.size() == 4) ||
(!mIs24HourMode && isTypedTimeFullyLegal())) {
return false;
}
mTypedTimes.add(keyCode);
if (!isTypedTimeLegalSoFar()) {
deleteLastTypedKey();
return false;
}
int val = getValFromKeyCode(keyCode);
Utils.tryAccessibilityAnnounce(mTimePicker, String.format(Locale.getDefault(), "%d", val));
// Automatically fill in 0's if AM or PM was legally entered.
if (isTypedTimeFullyLegal()) {
if (!mIs24HourMode && mTypedTimes.size() <= 3) {
mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
}
//mDoneButton.setEnabled(true);
}
return true;
}
/**
* Traverse the tree to see if the keys that have been typed so far are legal as is,
* or may become legal as more keys are typed (excluding backspace).
*/
private boolean isTypedTimeLegalSoFar() {
Node node = mLegalTimesTree;
for (int keyCode : mTypedTimes) {
node = node.canReach(keyCode);
if (node == null) {
return false;
}
}
return true;
}
/**
* Check if the time that has been typed so far is completely legal, as is.
*/
private boolean isTypedTimeFullyLegal() {
if (mIs24HourMode) {
// For 24-hour mode, the time is legal if the hours and minutes are each legal. Note:
// getEnteredTime() will ONLY call isTypedTimeFullyLegal() when NOT in 24hour mode.
int[] values = getEnteredTime(null);
return (values[0] >= 0 && values[1] >= 0 && values[1] < 60);
} else {
// For AM/PM mode, the time is legal if it contains an AM or PM, as those can only be
// legally added at specific times based on the tree's algorithm.
return (mTypedTimes.contains(getAmOrPmKeyCode(AM)) ||
mTypedTimes.contains(getAmOrPmKeyCode(PM)));
}
}
private int deleteLastTypedKey() {
int deleted = mTypedTimes.remove(mTypedTimes.size() - 1);
if (!isTypedTimeFullyLegal()) {
//mDoneButton.setEnabled(false);
}
return deleted;
}
/**
* Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time.
*
* @param updateDisplays If true, update the displays with the relevant time.
*/
private void finishKbMode(boolean updateDisplays) {
mInKbMode = false;
if (!mTypedTimes.isEmpty()) {
int values[] = getEnteredTime(null);
mTimePicker.setTime(values[0], values[1]);
if (!mIs24HourMode) {
mTimePicker.setAmOrPm(values[2]);
}
mTypedTimes.clear();
}
if (updateDisplays) {
updateDisplay(false);
mTimePicker.trySettingInputEnabled(true);
}
}
/**
* Update the hours, minutes, and AM/PM displays with the typed times. If the typedTimes is
* empty, either show an empty display (filled with the placeholder text), or update from the
* timepicker's values.
*
* @param allowEmptyDisplay if true, then if the typedTimes is empty, use the placeholder text.
* Otherwise, revert to the timepicker's values.
*/
private void updateDisplay(boolean allowEmptyDisplay) {
if (!allowEmptyDisplay && mTypedTimes.isEmpty()) {
int hour = mTimePicker.getHours();
int minute = mTimePicker.getMinutes();
attributeHour(hour, true);
attributeMinute(minute);
if (!mIs24HourMode) {
updateAmPmDisplay(hour < 12 ? AM : PM);
}
setCurrentItemShowing(mTimePicker.getCurrentItemShowing(), true, true, true);
//mDoneButton.setEnabled(true);
} else {
Boolean[] enteredZeros = {false, false};
int[] values = getEnteredTime(enteredZeros);
String hourFormat = enteredZeros[0] ? "%02d" : "%2d";
String minuteFormat = (enteredZeros[1]) ? "%02d" : "%2d";
String hourStr = (values[0] == -1) ? mDoublePlaceholderText :
String.format(hourFormat, values[0]).replace(' ', mPlaceholderText);
String minuteStr = (values[1] == -1) ? mDoublePlaceholderText :
String.format(minuteFormat, values[1]).replace(' ', mPlaceholderText);
mHourView.setText(hourStr);
//mHourView.setTextColor(mColor);
mMinuteView.setText(minuteStr);
//mMinuteView.setTextColor(mColor);
if (!mIs24HourMode) {
updateAmPmDisplay(values[2]);
}
}
}
private int getValFromKeyCode(int keyCode) {
switch (keyCode) {
case KeyEvent.KEYCODE_0:
return 0;
case KeyEvent.KEYCODE_1:
return 1;
case KeyEvent.KEYCODE_2:
return 2;
case KeyEvent.KEYCODE_3:
return 3;
case KeyEvent.KEYCODE_4:
return 4;
case KeyEvent.KEYCODE_5:
return 5;
case KeyEvent.KEYCODE_6:
return 6;
case KeyEvent.KEYCODE_7:
return 7;
case KeyEvent.KEYCODE_8:
return 8;
case KeyEvent.KEYCODE_9:
return 9;
default:
return -1;
}
}
/**
* Get the currently-entered time, as integer values of the hours and minutes typed.
*
* @param enteredZeros A size-2 boolean array, which the caller should initialize, and which
* may then be used for the caller to know whether zeros had been explicitly entered as either
* hours of minutes. This is helpful for deciding whether to show the dashes, or actual 0's.
* @return A size-3 int array. The first value will be the hours, the second value will be the
* minutes, and the third will be either TimePickerDialog.AM or TimePickerDialog.PM.
*/
private int[] getEnteredTime(Boolean[] enteredZeros) {
int amOrPm = -1;
int startIndex = 1;
if (!mIs24HourMode && isTypedTimeFullyLegal()) {
int keyCode = mTypedTimes.get(mTypedTimes.size() - 1);
if (keyCode == getAmOrPmKeyCode(AM)) {
amOrPm = AM;
} else if (keyCode == getAmOrPmKeyCode(PM)) {
amOrPm = PM;
}
startIndex = 2;
}
int minute = -1;
int hour = -1;
for (int i = startIndex; i <= mTypedTimes.size(); i++) {
int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i));
if (i == startIndex) {
minute = val;
} else if (i == startIndex + 1) {
minute += 10 * val;
if (enteredZeros != null && val == 0) {
enteredZeros[1] = true;
}
} else if (i == startIndex + 2) {
hour = val;
} else if (i == startIndex + 3) {
hour += 10 * val;
if (enteredZeros != null && val == 0) {
enteredZeros[0] = true;
}
}
}
return new int[]{hour, minute, amOrPm};
}
/**
* Get the keycode value for AM and PM in the current language.
*/
private int getAmOrPmKeyCode(int amOrPm) {
// Cache the codes.
if (mAmKeyCode == -1 || mPmKeyCode == -1) {
// Find the first character in the AM/PM text that is unique.
KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
char amChar;
char pmChar;
for (int i = 0; i < Math.max(mAmText.length(), mPmText.length()); i++) {
amChar = mAmText.toLowerCase(Locale.getDefault()).charAt(i);
pmChar = mPmText.toLowerCase(Locale.getDefault()).charAt(i);
if (amChar != pmChar) {
KeyEvent[] events = kcm.getEvents(new char[]{amChar, pmChar});
// There should be 4 events: a down and up for both AM and PM.
if (events != null && events.length == 4) {
mAmKeyCode = events[0].getKeyCode();
mPmKeyCode = events[2].getKeyCode();
} else {
Log.e(TAG, "Unable to find keycodes for AM and PM.");
}
break;
}
}
}
if (amOrPm == AM) {
return mAmKeyCode;
} else if (amOrPm == PM) {
return mPmKeyCode;
}
return -1;
}
/**
* Create a tree for deciding what keys can legally be typed.
*/
private void generateLegalTimesTree() {
// Create a quick cache of numbers to their keycodes.
int k0 = KeyEvent.KEYCODE_0;
int k1 = KeyEvent.KEYCODE_1;
int k2 = KeyEvent.KEYCODE_2;
int k3 = KeyEvent.KEYCODE_3;
int k4 = KeyEvent.KEYCODE_4;
int k5 = KeyEvent.KEYCODE_5;
int k6 = KeyEvent.KEYCODE_6;
int k7 = KeyEvent.KEYCODE_7;
int k8 = KeyEvent.KEYCODE_8;
int k9 = KeyEvent.KEYCODE_9;
// The root of the tree doesn't contain any numbers.
mLegalTimesTree = new Node();
if (mIs24HourMode) {
// We'll be re-using these nodes, so we'll save them.
Node minuteFirstDigit = new Node(k0, k1, k2, k3, k4, k5);
Node minuteSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
// The first digit must be followed by the second digit.
minuteFirstDigit.addChild(minuteSecondDigit);
// The first digit may be 0-1.
Node firstDigit = new Node(k0, k1);
mLegalTimesTree.addChild(firstDigit);
// When the first digit is 0-1, the second digit may be 0-5.
Node secondDigit = new Node(k0, k1, k2, k3, k4, k5);
firstDigit.addChild(secondDigit);
// We may now be followed by the first minute digit. E.g. 00:09, 15:58.
secondDigit.addChild(minuteFirstDigit);
// When the first digit is 0-1, and the second digit is 0-5, the third digit may be 6-9.
Node thirdDigit = new Node(k6, k7, k8, k9);
// The time must now be finished. E.g. 0:55, 1:08.
secondDigit.addChild(thirdDigit);
// When the first digit is 0-1, the second digit may be 6-9.
secondDigit = new Node(k6, k7, k8, k9);
firstDigit.addChild(secondDigit);
// We must now be followed by the first minute digit. E.g. 06:50, 18:20.
secondDigit.addChild(minuteFirstDigit);
// The first digit may be 2.
firstDigit = new Node(k2);
mLegalTimesTree.addChild(firstDigit);
// When the first digit is 2, the second digit may be 0-3.
secondDigit = new Node(k0, k1, k2, k3);
firstDigit.addChild(secondDigit);
// We must now be followed by the first minute digit. E.g. 20:50, 23:09.
secondDigit.addChild(minuteFirstDigit);
// When the first digit is 2, the second digit may be 4-5.
secondDigit = new Node(k4, k5);
firstDigit.addChild(secondDigit);
// We must now be followd by the last minute digit. E.g. 2:40, 2:53.
secondDigit.addChild(minuteSecondDigit);
// The first digit may be 3-9.
firstDigit = new Node(k3, k4, k5, k6, k7, k8, k9);
mLegalTimesTree.addChild(firstDigit);
// We must now be followed by the first minute digit. E.g. 3:57, 8:12.
firstDigit.addChild(minuteFirstDigit);
} else {
// We'll need to use the AM/PM node a lot.
// Set up AM and PM to respond to "a" and "p".
Node ampm = new Node(getAmOrPmKeyCode(AM), getAmOrPmKeyCode(PM));
// The first hour digit may be 1.
Node firstDigit = new Node(k1);
mLegalTimesTree.addChild(firstDigit);
// We'll allow quick input of on-the-hour times. E.g. 1pm.
firstDigit.addChild(ampm);
// When the first digit is 1, the second digit may be 0-2.
Node secondDigit = new Node(k0, k1, k2);
firstDigit.addChild(secondDigit);
// Also for quick input of on-the-hour times. E.g. 10pm, 12am.
secondDigit.addChild(ampm);
// When the first digit is 1, and the second digit is 0-2, the third digit may be 0-5.
Node thirdDigit = new Node(k0, k1, k2, k3, k4, k5);
secondDigit.addChild(thirdDigit);
// The time may be finished now. E.g. 1:02pm, 1:25am.
thirdDigit.addChild(ampm);
// When the first digit is 1, the second digit is 0-2, and the third digit is 0-5,
// the fourth digit may be 0-9.
Node fourthDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
thirdDigit.addChild(fourthDigit);
// The time must be finished now. E.g. 10:49am, 12:40pm.
fourthDigit.addChild(ampm);
// When the first digit is 1, and the second digit is 0-2, the third digit may be 6-9.
thirdDigit = new Node(k6, k7, k8, k9);
secondDigit.addChild(thirdDigit);
// The time must be finished now. E.g. 1:08am, 1:26pm.
thirdDigit.addChild(ampm);
// When the first digit is 1, the second digit may be 3-5.
secondDigit = new Node(k3, k4, k5);
firstDigit.addChild(secondDigit);
// When the first digit is 1, and the second digit is 3-5, the third digit may be 0-9.
thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
secondDigit.addChild(thirdDigit);
// The time must be finished now. E.g. 1:39am, 1:50pm.
thirdDigit.addChild(ampm);
// The hour digit may be 2-9.
firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9);
mLegalTimesTree.addChild(firstDigit);
// We'll allow quick input of on-the-hour-times. E.g. 2am, 5pm.
firstDigit.addChild(ampm);
// When the first digit is 2-9, the second digit may be 0-5.
secondDigit = new Node(k0, k1, k2, k3, k4, k5);
firstDigit.addChild(secondDigit);
// When the first digit is 2-9, and the second digit is 0-5, the third digit may be 0-9.
thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
secondDigit.addChild(thirdDigit);
// The time must be finished now. E.g. 2:57am, 9:30pm.
thirdDigit.addChild(ampm);
}
}
/**
* Add listener for clik on time view
*/
public void setOnClickTimeListener(View.OnClickListener onClickListener) {
this.onClickTimeListener = onClickListener;
}
public int getHourOfDay() {
return mTimePicker.getHours();
}
public void setHourOfDay(int hourOfDay) {
this.hourOfDay = hourOfDay;
// TODO assign later
}
public int getMinute() {
return mTimePicker.getMinutes();
}
public void setMinute(int minute) {
this.minute = minute;
// TODO assign later
}
public boolean is24HourMode() {
return mIs24HourMode;
}
public void setIs24HourMode(boolean is24HourMode) {
this.mIs24HourMode = is24HourMode;
}
public void setHighlightAMPMSelection(boolean highlightSelection) {
this.mHighlightAMPMSelection = highlightSelection;
}
public void setFirstViewShow(int viewIndex) {
mCurrentViewShow = viewIndex;
}
public void clickHour() {
isSelected = true;
setCurrentItemShowing(HOUR_INDEX, true, false, true);
mTimePicker.tryVibrate();
if(onClickTimeListener != null)
onClickTimeListener.onClick(mHourView);
}
/**
* Simple node class to be used for traversal to check for legal times.
* mLegalKeys represents the keys that can be typed to get to the node.
* mChildren are the children that can be reached from this node.
*/
private class Node {
private int[] mLegalKeys;
private ArrayList<Node> mChildren;
Node(int... legalKeys) {
mLegalKeys = legalKeys;
mChildren = new ArrayList<Node>();
}
void addChild(Node child) {
mChildren.add(child);
}
boolean containsKey(int key) {
for (int mLegalKey : mLegalKeys) {
if (mLegalKey == key) {
return true;
}
}
return false;
}
Node canReach(int key) {
if (mChildren == null) {
return null;
}
for (Node child : mChildren) {
if (child.containsKey(key)) {
return child;
}
}
return null;
}
}
private class KeyboardListener implements OnKeyListener {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
return event.getAction() == KeyEvent.ACTION_UP && processKeyUp(keyCode);
}
}
/**
* The callback interface used to indicate the user is done filling in
* the time (they clicked on the 'Set' button).
*/
public interface OnTimeSelectedListener {
/**
* @param hourOfDay The hour that was set.
* @param minute The minute that was set.
*/
void onTimeSelected(int hourOfDay, int minute);
}
}
