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/*
* Copyright (C) 2014 Andrew Comminos
*
* 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/>.
*/
/* The following code was written by Matthew Wiggins
* and is released under the Apache 2.0 license
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* I added some extra functionality like a multiplier + better persistence.
* - Andrew Comminos
*/
package se.lublin.mumla.preference;
import android.content.Context;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.TextView;
public class SeekBarDialogPreference extends DialogPreference implements SeekBar.OnSeekBarChangeListener {
private static final String ANDROID_NS = "http://schemas.android.com/apk/res/android";
private SeekBar mSeekBar;
private TextView mSplashText, mValueText;
private Context mContext;
private String mDialogMessage, mSuffix;
private int mDefault, mMax, mMin, mValue, mMultiplier = 0;
public SeekBarDialogPreference(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mDialogMessage = attrs.getAttributeValue(ANDROID_NS, "dialogMessage");
mSuffix = attrs.getAttributeValue(ANDROID_NS, "text");
mDefault = attrs.getAttributeIntValue(ANDROID_NS, "defaultValue", 0);
mMax = attrs.getAttributeIntValue(null, "max", 100);
mMin = attrs.getAttributeIntValue(null, "min", 0);
mMultiplier = attrs.getAttributeIntValue(null, "multiplier", 1);
}
@Override
protected View onCreateDialogView() {
LinearLayout.LayoutParams params;
LinearLayout layout = new LinearLayout(mContext);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setPadding(6, 6, 6, 6);
mSplashText = new TextView(mContext);
if (mDialogMessage != null)
mSplashText.setText(mDialogMessage);
layout.addView(mSplashText);
mValueText = new TextView(mContext);
mValueText.setGravity(Gravity.CENTER_HORIZONTAL);
mValueText.setTextSize(18);
params = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
layout.addView(mValueText, params);
mSeekBar = new SeekBar(mContext);
mSeekBar.setOnSeekBarChangeListener(this);
layout.addView(mSeekBar, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
if (shouldPersist())
mValue = getPersistedInt(-1) != -1 ? getPersistedInt(mDefault) / mMultiplier : getPersistedInt(mDefault);
mSeekBar.setMax(mMax - mMin);
mSeekBar.setProgress(mValue - mMin);
return layout;
}
@Override
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
mSeekBar.setMax(mMax - mMin);
mSeekBar.setProgress(mValue - mMin);
}
@Override
protected void onSetInitialValue(boolean restore, Object defaultValue) {
super.onSetInitialValue(restore, defaultValue);
if (restore)
mValue = (shouldPersist() ? getPersistedInt(mDefault) / mMultiplier : 0);
else
mValue = ((Integer) defaultValue / mMultiplier);
}
public void onProgressChanged(SeekBar seek, int value, boolean fromTouch) {
String t = String.valueOf((value * mMultiplier) + (mMultiplier * mMin));
mValueText.setText(mSuffix == null ? t : t.concat(mSuffix));
}
public void onStartTrackingTouch(SeekBar seek) {
}
public void onStopTrackingTouch(SeekBar seek) {
}
/* (non-Javadoc)
* @see android.preference.DialogPreference#onDialogClosed(boolean)
*/
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult && shouldPersist()) {
persistInt(mMultiplier * (mMin + mSeekBar.getProgress()));
}
}
}
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