/*
EditTextPreference to store/load integer values
Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
If a copy of the MPL was not distributed with this file, You can obtain one at
http://mozilla.org/MPL/2.0/.
*/
package com.freerdp.freerdpcore.utils;
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.EditTextPreference;
import android.util.AttributeSet;
import com.freerdp.freerdpcore.R;
public class IntEditTextPreference extends EditTextPreference
{
private int bounds_min, bounds_max, bounds_default;
public IntEditTextPreference(Context context)
{
super(context);
init(context, null);
}
public IntEditTextPreference(Context context, AttributeSet attrs)
{
super(context, attrs);
init(context, attrs);
}
public IntEditTextPreference(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
init(context, attrs);
}
private void init(Context context, AttributeSet attrs)
{
if (attrs != null)
{
TypedArray array =
context.obtainStyledAttributes(attrs, R.styleable.IntEditTextPreference, 0, 0);
bounds_min =
array.getInt(R.styleable.IntEditTextPreference_bounds_min, Integer.MIN_VALUE);
bounds_max =
array.getInt(R.styleable.IntEditTextPreference_bounds_max, Integer.MAX_VALUE);
bounds_default = array.getInt(R.styleable.IntEditTextPreference_bounds_default, 0);
array.recycle();
}
else
{
bounds_min = Integer.MIN_VALUE;
bounds_max = Integer.MAX_VALUE;
bounds_default = 0;
}
}
public void setBounds(int min, int max, int defaultValue)
{
bounds_min = min;
bounds_max = max;
bounds_default = defaultValue;
}
@Override protected String getPersistedString(String defaultReturnValue)
{
int value = getPersistedInt(-1);
if (value > bounds_max || value < bounds_min)
value = bounds_default;
return String.valueOf(value);
}
@Override protected boolean persistString(String value)
{
return persistInt(Integer.valueOf(value));
}
@Override protected void onDialogClosed(boolean positiveResult)
{
if (positiveResult)
{
// prevent exception when an empty value is persisted
if (getEditText().getText().length() == 0)
getEditText().setText("0");
// check bounds
int value = Integer.valueOf(getEditText().getText().toString());
if (value > bounds_max || value < bounds_min)
value = bounds_default;
getEditText().setText(String.valueOf(value));
}
super.onDialogClosed(positiveResult);
}
}