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/*
* Copyright (C) 2010 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.replica.replicaisland;
import android.util.AttributeSet;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.Preference;
public class SliderPreference extends Preference implements OnSeekBarChangeListener {
private final static int MAX_SLIDER_VALUE = 100;
private final static int INITIAL_VALUE = 50;
private int mValue = INITIAL_VALUE;
private String mMinText;
private String mMaxText;
public SliderPreference(Context context) {
super(context);
setWidgetLayoutResource(R.layout.slider_preference);
}
public SliderPreference(Context context, AttributeSet attrs) {
this(context, attrs, android.R.attr.preferenceStyle);
setWidgetLayoutResource(R.layout.slider_preference);
}
public SliderPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.SliderPreference, defStyle, 0);
mMinText = a.getString(R.styleable.SliderPreference_minText);
mMaxText = a.getString(R.styleable.SliderPreference_maxText);
a.recycle();
setWidgetLayoutResource(R.layout.slider_preference);
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
if (mMinText != null) {
TextView minText = (TextView)view.findViewById(R.id.min);
minText.setText(mMinText);
}
if (mMaxText != null) {
TextView maxText = (TextView)view.findViewById(R.id.max);
maxText.setText(mMaxText);
}
SeekBar bar = (SeekBar)view.findViewById(R.id.slider);
bar.setMax(MAX_SLIDER_VALUE);
bar.setProgress(mValue);
bar.setOnSeekBarChangeListener(this);
}
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser) {
mValue = progress;
persistInt(mValue);
}
}
public void onStartTrackingTouch(SeekBar seekBar) {
}
public void onStopTrackingTouch(SeekBar seekBar) {
}
@Override
protected Object onGetDefaultValue(TypedArray ta,int index) {
int dValue = (int)ta.getInt(index, INITIAL_VALUE);
return (int)Utils.clamp(dValue, 0, MAX_SLIDER_VALUE);
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
mValue = defaultValue != null ? (Integer)defaultValue : INITIAL_VALUE;
if (!restoreValue) {
persistInt(mValue);
} else {
mValue = getPersistedInt(mValue);
}
}
}
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