nz.org.winters.android.custompreference.FloatPreference.java Source code

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Here is the source code for nz.org.winters.android.custompreference.FloatPreference.java

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package nz.org.winters.android.custompreference;

/*
 * Copyright 2013 Mathew Winters
    
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 vYou 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.
*/
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Build;
import android.preference.EditTextPreference;
import android.preference.Preference;
import android.support.v4.app.FragmentActivity;
import android.text.InputType;
import android.util.AttributeSet;
import android.view.View;
import android.widget.EditText;
import nz.org.winters.android.custompreference.numberpicker.NumberPickerBuilder;
import nz.org.winters.android.custompreference.numberpicker.NumberPickerDialogFragment;
import nz.org.winters.android.custompreferences.R;

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public class FloatPreference extends Preference implements NumberPickerDialogFragment.NumberPickerDialogHandler {

    float mValue;

    public FloatPreference(Context context) {
        super(context);
        initialize();
    }

    public FloatPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
        initialize();
    }

    public FloatPreference(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        initialize();
    }

    private void initialize() {
        setPersistent(true);
    }

    @Override
    protected Object onGetDefaultValue(TypedArray a, int index) {
        return a.getFloat(index, (float) 0.0);
    }

    @Override
    protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
        setValue(restoreValue ? getPersistedFloat(0) : (Float) defaultValue);
    }

    public String getFragmentTag() {
        return "float_" + getKey();
    }

    public float getValue() {
        return mValue;
    }

    public void setValue(float value) {
        if (callChangeListener(value)) {
            mValue = value;
            persistFloat(value);
            notifyChanged();
        }
    }

    @Override
    protected void onBindView(View view) {
        // TextView mSummaryView = (TextView) view.findViewById(android.R.id.summary);
        setSummary(Float.toString(getValue()));

        super.onBindView(view);

    }

    @Override
    protected void onClick() {
        super.onClick();

        Activity activity = (Activity) getContext();

        NumberPickerBuilder numberPickerBuilder = new NumberPickerBuilder();
        numberPickerBuilder.setFragmentManager(activity.getFragmentManager());
        numberPickerBuilder.setStyleResId(R.style.BetterPickersDialogFragment_Light);
        numberPickerBuilder.setPlusMinusVisibility(View.GONE);
        numberPickerBuilder.setDecimalVisibility(View.VISIBLE);
        numberPickerBuilder.addNumberPickerDialogHandler(this);
        numberPickerBuilder.setLabelText(getTitle().toString());
        numberPickerBuilder.show();
    }

    @Override
    public void onDialogNumberSet(int reference, int number, double decimal, boolean isNegative,
            double fullNumber) {
        setValue((float) fullNumber);
    }

}