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/*
* Copyright (C) 2013 The Android Open Source Project
* Copyright (C) 2014 The CyanogenMod 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 org.cyanogenmod.wallpapers.photophase.preferences;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;
import org.cyanogenmod.wallpapers.photophase.R;
/**
* A preference with a seekbar widget that display the progress
*/
public class SeekBarProgressPreference extends SeekBarPreference {
/**
* Interface to intercept the progress value to display on screen
*/
public interface OnDisplayProgress {
/**
* Method invoked when a progress value is going to display on screen
*
* @param progress The real progress
* @return The progress to display
*/
String onDisplayProgress(int progress);
}
private String mFormat;
private OnDisplayProgress mOnDisplayProgress;
TextView mTextView;
/**
* Constructor of <code>SeekBarProgressPreference</code>
*
* @param context The current context
* @param attrs The attributes of the view
* @param defStyle The resource with the style
*/
public SeekBarProgressPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
/**
* Constructor of <code>SeekBarProgressPreference</code>
*
* @param context The current context
* @param attrs The attributes of the view
*/
public SeekBarProgressPreference(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
/**
* Constructor of <code>SeekBarProgressPreference</code>
*
* @param context The current context
*/
public SeekBarProgressPreference(Context context) {
super(context);
init();
}
/**
* Method that initializes the preference
*/
void init() {
mFormat = "%s";
mOnDisplayProgress = null;
setWidgetLayoutResource(R.layout.preference_widget_seekbar_progress);
}
/**
* {@inheritDoc}
*/
@Override
protected void onBindView(View view) {
super.onBindView(view);
mTextView = (TextView) view.findViewById(R.id.text);
setText(getProgress());
}
/**
* Method that set the actual progress
*
* @param progress The actual progress
* @param notifyChanged Whether notify if the progress was changed
*/
@Override
protected void setProgress(int progress, boolean notifyChanged) {
super.setProgress(progress, notifyChanged);
setText(progress);
}
/**
* {@inheritDoc}
*/
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
super.onProgressChanged(seekBar, progress, fromUser);
if (fromUser) {
setText(progress);
syncProgress(seekBar);
}
}
/**
* {@inheritDoc}
*/
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
super.onStopTrackingTouch(seekBar);
setText(getProgress());
}
/**
* Method that displays the progress value
*/
private void setText(int progress) {
if (mTextView != null) {
String value = mOnDisplayProgress != null
? mOnDisplayProgress.onDisplayProgress(progress) : String.valueOf(progress);
mTextView.setText(String.format(mFormat, value));
}
}
/**
* Method that sets the callback to intercept the progress value before it will be
* displayed on screen.
*
* @param onDisplayProgress The callback
*/
public void setOnDisplayProgress(OnDisplayProgress onDisplayProgress) {
this.mOnDisplayProgress = onDisplayProgress;
}
/**
* Method that set the format of the progress
*
* @param format The format of the string progress
*/
public void setFormat(String format) {
mFormat = format;
}
}
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