SeekBarStep.java

/*
 * Copyright 2015 Heinrich Reimer Software
 *
 * 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.heinrichreimersoftware.singleinputform.steps;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;

import com.heinrichreimersoftware.singleinputform.R;

import org.adw.library.widgets.discreteseekbar.DiscreteSeekBar;

public class SeekBarStep extends Step {
    public static final String DATA_PROGRESS = "data_progress";

    private StepChecker mChecker;

    private int mMin;
    private int mMax;

    private int mTextColorPrimaryInverse;
    private int mTextColorSecondaryInverse;
    private int mColorPrimaryDark;

    public SeekBarStep(Context context, String dataKey, int min, int max, int titleResId, int errorResId, int detailsResId, StepChecker checker) {
        super(context, dataKey, titleResId, errorResId, detailsResId);
        mChecker = checker;
        mMin = min;
        mMax = max;
    }

    public SeekBarStep(Context context, String dataKey, int min, int max, int titleResId, int errorResId, int detailsResId) {
        this(context, dataKey, min, max, titleResId, errorResId, detailsResId, new StepChecker() {
            @Override
            public boolean check(int progress) {
                return true;
            }
        });
    }

    public SeekBarStep(Context context, String dataKey, int min, int max, String title, String error, String details, StepChecker checker) {
        super(context, dataKey, title, error, details);
        mChecker = checker;
        mMin = min;
        mMax = max;
    }

    public SeekBarStep(Context context, String dataKey, int min, int max, String title, String error, String details) {
        this(context, dataKey, min, max, title, error, details, new StepChecker() {
            @Override
            public boolean check(int progress) {
                return true;
            }
        });
    }

    public static int progress(Bundle data, String dataKey){
        int progress = -1;
        if(data != null && data.containsKey(dataKey)){
            Bundle bundleRange = data.getBundle(dataKey);
            if(bundleRange != null){
                progress = bundleRange.getInt(DATA_PROGRESS, -1);
            }
        }
        return progress;
    }

    @Override
    public DiscreteSeekBar onCreateView() {
        loadTheme();

        return  (DiscreteSeekBar) View.inflate(getContext(), R.layout.view_seek_bar, null);
    }

    @Override
    public void updateView(boolean lastStep) {
        getView().setMin(mMin);
        getView().setMax(mMax);
        getView().setThumbColor(mTextColorPrimaryInverse, mColorPrimaryDark);
        getView().setScrubberColor(mTextColorPrimaryInverse);
        getView().setTrackColor(mTextColorSecondaryInverse);
    }

    @Override
    public DiscreteSeekBar getView(){
        if(super.getView() instanceof DiscreteSeekBar){
            return (DiscreteSeekBar) super.getView();
        }
        throw new ClassCastException("Input view must be RangeBar");
    }

    @Override
    public boolean check() {
        return mChecker.check(getView().getProgress());
    }

    @Override
    protected void onSave() {
        data().putInt(DATA_PROGRESS, getView().getProgress());
        Log.d("SeekBarStep", "onSave() DATA_PROGRESS: " + data().getInt(DATA_PROGRESS));
    }

    @Override
    protected void onRestore() {
        Log.d("SeekBarStep", "onRestore() DATA_PROGRESS: " + data().getInt(DATA_PROGRESS));
        getView().setProgress(data().getInt(DATA_PROGRESS));
    }

    private void loadTheme(){
		/* Custom values */

        int[] attrs = {android.R.attr.textColorPrimaryInverse, android.R.attr.textColorSecondaryInverse, R.attr.colorPrimaryDark};
        TypedArray array = getContext().obtainStyledAttributes(attrs);

        mTextColorPrimaryInverse = array.getColor(0, 0);
        mTextColorSecondaryInverse = array.getColor(1, 0);
        mColorPrimaryDark = array.getColor(2, 0);

        array.recycle();
    }

    public interface StepChecker{
        boolean check(int progress);
    }
}