/*
* Copyright 2014 Klinker Apps Inc.
*
* 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 xyz.klinker.blur.addons.view;
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.Preference;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import xyz.klinker.blur.R;
public class SeekBarPreference extends Preference implements OnSeekBarChangeListener {
private final String TAG = getClass().getName();
private static final String ANDROIDNS = "http://schemas.android.com/apk/res/android";
private static final String ROBOBUNNYNS = "http://robobunny.com";
private static final int DEFAULT_VALUE = 50;
private int mMaxValue = 1000;
private int mMinValue = 100;
private int mInterval = 1;
private int mCurrentValue;
private String mUnitsLeft = "";
private String mUnitsRight = "%";
private SeekBar mSeekBar;
private TextView mStatusText;
public SeekBarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
initPreference(context, attrs);
}
public SeekBarPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initPreference(context, attrs);
}
private void initPreference(Context context, AttributeSet attrs) {
setValuesFromXml(attrs);
mSeekBar = new SeekBar(context, attrs);
mSeekBar.setMax(mMaxValue - mMinValue);
mSeekBar.setOnSeekBarChangeListener(this);
}
private void setValuesFromXml(AttributeSet attrs) {
mMaxValue = attrs.getAttributeIntValue(ANDROIDNS, "max", 100);
mMinValue = attrs.getAttributeIntValue(ROBOBUNNYNS, "min", 0);
mUnitsLeft = getAttributeStringValue(attrs, ROBOBUNNYNS, "unitsLeft", "");
String units = getAttributeStringValue(attrs, ROBOBUNNYNS, "units", "%");
mUnitsRight = getAttributeStringValue(attrs, ROBOBUNNYNS, "unitsRight", units);
try {
String newInterval = attrs.getAttributeValue(ROBOBUNNYNS, "interval");
if (newInterval != null)
mInterval = Integer.parseInt(newInterval);
} catch (Exception e) {
Log.e(TAG, "Invalid interval value", e);
}
}
private String getAttributeStringValue(AttributeSet attrs, String namespace, String name, String defaultValue) {
String value = attrs.getAttributeValue(namespace, name);
if (value == null)
value = defaultValue;
return value;
}
@Override
protected View onCreateView(ViewGroup parent) {
RelativeLayout layout = null;
try {
LayoutInflater mInflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
layout = (RelativeLayout) mInflater.inflate(R.layout.seek_bar_preference, parent, false);
} catch (Exception e) {
Log.e(TAG, "Error creating seek bar preference", e);
}
return layout;
}
@Override
public void onBindView(View view) {
super.onBindView(view);
try {
// move our seekbar to the new view we've been given
ViewParent oldContainer = mSeekBar.getParent();
ViewGroup newContainer = (ViewGroup) view.findViewById(R.id.seekBarPrefBarContainer);
if (oldContainer != newContainer) {
// remove the seekbar from the old view
if (oldContainer != null) {
((ViewGroup) oldContainer).removeView(mSeekBar);
}
// remove the existing seekbar (there may not be one) and add ours
newContainer.removeAllViews();
newContainer.addView(mSeekBar, ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
}
} catch (Exception ex) {
Log.e(TAG, "Error binding view: " + ex.toString());
}
updateView(view);
}
/**
* Update a SeekBarPreference view with our current state
*
* @param view
*/
protected void updateView(View view) {
try {
RelativeLayout layout = (RelativeLayout) view;
mStatusText = (TextView) layout.findViewById(R.id.seekBarPrefValue);
mStatusText.setText(String.valueOf(mCurrentValue));
mStatusText.setMinimumWidth(30);
mSeekBar.setProgress(mCurrentValue - mMinValue);
TextView unitsRight = (TextView) layout.findViewById(R.id.seekBarPrefUnitsRight);
unitsRight.setText(mUnitsRight);
TextView unitsLeft = (TextView) layout.findViewById(R.id.seekBarPrefUnitsLeft);
unitsLeft.setText(mUnitsLeft);
} catch (Exception e) {
Log.e(TAG, "Error updating seek bar preference", e);
}
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
int newValue = progress + mMinValue;
if (newValue > mMaxValue)
newValue = mMaxValue;
else if (newValue < mMinValue)
newValue = mMinValue;
else if (mInterval != 1 && newValue % mInterval != 0)
newValue = Math.round(((float) newValue) / mInterval) * mInterval;
// change rejected, revert to the previous value
if (!callChangeListener(newValue)) {
seekBar.setProgress(mCurrentValue - mMinValue);
return;
}
// change accepted, store it
mCurrentValue = newValue;
mStatusText.setText(String.valueOf(newValue));
persistInt(newValue);
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
notifyChanged();
}
@Override
protected Object onGetDefaultValue(TypedArray ta, int index) {
int defaultValue = ta.getInt(index, DEFAULT_VALUE);
return defaultValue;
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
if (restoreValue) {
mCurrentValue = getPersistedInt(mCurrentValue);
} else {
int temp = 0;
try {
temp = (Integer) defaultValue;
} catch (Exception ex) {
Log.e(TAG, "Invalid default value: " + defaultValue.toString());
}
persistInt(temp);
mCurrentValue = temp;
}
}
}