/*
DroidFish - An Android chess program.
Copyright (C) 2011-2012 Peter Österlund, peterosterlund2@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.if3games.chessonline;
import java.util.Locale;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.preference.Preference;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Toast;
/** Lets user enter a percentage value using a seek bar. */
public class SeekBarPreference extends Preference
implements OnSeekBarChangeListener {
private final static int maxValue = 1000;
private final static int DEFAULT_VALUE = 1000;
private int currVal = DEFAULT_VALUE;
private TextView currValBox;
private boolean showStrengthHint = true;
public SeekBarPreference(Context context) {
super(context);
}
public SeekBarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public SeekBarPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected View onCreateView(ViewGroup parent) {
TextView name = new TextView(getContext());
name.setText(getTitle());
name.setTextAppearance(getContext(), android.R.style.TextAppearance_Large);
name.setGravity(Gravity.LEFT);
LinearLayout.LayoutParams lp =
new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp.gravity = Gravity.LEFT;
lp.weight = 1.0f;
name.setLayoutParams(lp);
currValBox = new TextView(getContext());
currValBox.setTextSize(12);
currValBox.setTypeface(Typeface.MONOSPACE, Typeface.ITALIC);
currValBox.setPadding(2, 5, 0, 0);
currValBox.setText(valToString());
lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp.gravity = Gravity.CENTER;
currValBox.setLayoutParams(lp);
LinearLayout row1 = new LinearLayout(getContext());
row1.setOrientation(LinearLayout.HORIZONTAL);
row1.addView(name);
row1.addView(currValBox);
final SeekBar bar = new SeekBar(getContext());
bar.setMax(maxValue);
bar.setProgress(currVal);
bar.setOnSeekBarChangeListener(this);
lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp.gravity = Gravity.RIGHT;
bar.setLayoutParams(lp);
CharSequence summaryCharSeq = getSummary();
boolean haveSummary = (summaryCharSeq != null) && (summaryCharSeq.length() > 0);
TextView summary = null;
if (haveSummary) {
summary = new TextView(getContext());
summary.setText(getSummary());
// summary.setTextAppearance(getContext(), android.R.style.TextAppearance_Large);
summary.setGravity(Gravity.LEFT);
lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
lp.gravity = Gravity.LEFT;
lp.weight = 1.0f;
summary.setLayoutParams(lp);
}
LinearLayout layout = new LinearLayout(getContext());
layout.setPadding(25, 5, 25, 5);
layout.setOrientation(LinearLayout.VERTICAL);
layout.addView(row1);
layout.addView(bar);
if (summary != null)
layout.addView(summary);
layout.setId(android.R.id.widget_frame);
currValBox.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
View content = View.inflate(SeekBarPreference.this.getContext(), R.layout.select_percentage, null);
final AlertDialog.Builder builder = new AlertDialog.Builder(SeekBarPreference.this.getContext());
builder.setView(content);
String title = "";
String key = getKey();
if (key.equals("strength")) {
title = getContext().getString(R.string.edit_strength);
} else if (key.equals("bookRandom")) {
title = getContext().getString(R.string.edit_randomization);
}
builder.setTitle(title);
final EditText valueView = (EditText)content.findViewById(R.id.selpercentage_number);
valueView.setText(currValBox.getText().toString().replaceAll("%", "").replaceAll(",", "."));
final Runnable selectValue = new Runnable() {
public void run() {
try {
String txt = valueView.getText().toString();
int value = (int)(Double.parseDouble(txt) * 10 + 0.5);
if (value < 0) value = 0;
if (value > maxValue) value = maxValue;
onProgressChanged(bar, value, false);
} catch (NumberFormatException nfe) {
}
}
};
valueView.setOnKeyListener(new OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
selectValue.run();
return true;
}
return false;
}
});
builder.setPositiveButton("Ok", new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
selectValue.run();
}
});
builder.setNegativeButton("Cancel", null);
builder.create().show();
}
});
return layout;
}
private final String valToString() {
return String.format(Locale.US, "%.1f%%", currVal*0.1);
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {
if (!callChangeListener(progress)) {
if (currVal != seekBar.getProgress())
seekBar.setProgress(currVal);
return;
}
if (progress != seekBar.getProgress())
seekBar.setProgress(progress);
currVal = progress;
currValBox.setText(valToString());
SharedPreferences.Editor editor = getEditor();
editor.putInt(getKey(), progress);
editor.commit();
if ((progress == 0) && showStrengthHint) {
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getContext());
String engine = settings.getString("engine", "stockfish");
if ("stockfish".equals(engine)) {
showStrengthHint = false;
if (getKey().equals("strength"))
Toast.makeText(getContext(), R.string.strength_cuckoo_hint,
Toast.LENGTH_LONG).show();
}
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
notifyChanged();
}
@Override
protected Object onGetDefaultValue(TypedArray a, int index) {
int defVal = a.getInt(index, DEFAULT_VALUE);
if (defVal > maxValue) defVal = maxValue;
if (defVal < 0) defVal = 0;
return defVal;
}
@Override
protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) {
int val = restorePersistedValue ? getPersistedInt(DEFAULT_VALUE) : (Integer)defaultValue;
if (!restorePersistedValue)
persistInt(val);
currVal = val;
}
}