com.color.kid.kidpaint.dialog.FillToolDialog.java Source code

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Here is the source code for com.color.kid.kidpaint.dialog.FillToolDialog.java

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/**
 *  Paintroid: An image manipulation application for Android.
 *  Copyright (C) 2010-2015 The Catrobat Team
 *  (<http://developer.catrobat.org/credits>)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.color.kid.kidpaint.dialog;

import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.EditText;
import android.widget.SeekBar;

import com.color.kid.kidpaint.R;

@SuppressLint("ValidFragment")
public final class FillToolDialog extends DialogFragment
        implements View.OnClickListener, DialogInterface.OnClickListener {

    private static final String NOT_INITIALIZED_ERROR_MESSAGE = "FillToolDialog has not been initialized. Call init() first!";
    private static FillToolDialog instance;

    public static final int DEFAULT_TOLERANCE_IN_PERCENT = 10;

    private OnFillToolDialogChangedListener mOnFillToolDialogChangedListener;
    private Context mContext;
    private SeekBar mColorToleranceSeekBar;
    private EditText mColorToleranceEditText;
    private int mColorTolerance;

    public interface OnFillToolDialogChangedListener {
        void updateColorTolerance(int colorTolerance);
    }

    @SuppressLint("ValidFragment")
    private FillToolDialog(Context context) {
        mContext = context;
        mColorTolerance = DEFAULT_TOLERANCE_IN_PERCENT;
    }

    public static FillToolDialog getInstance() {
        if (instance == null) {
            throw new IllegalStateException(NOT_INITIALIZED_ERROR_MESSAGE);
        }
        return instance;
    }

    public static void init(Context context) {
        instance = new FillToolDialog(context);
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {

        LayoutInflater inflater = getActivity().getLayoutInflater();
        AlertDialog.Builder builder = new CustomAlertDialogBuilder(mContext);
        builder.setTitle(R.string.fill_tool_dialog_title);
        final View view = inflater.inflate(R.layout.dialog_fill_tool, null);

        mColorToleranceSeekBar = (SeekBar) view.findViewById(R.id.color_tolerance_seek_bar);
        mColorToleranceSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                mColorTolerance = progress;
                updateColorToleranceText(mColorTolerance);
                mColorToleranceEditText.setCursorVisible(false);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        mColorToleranceEditText = (EditText) view.findViewById(R.id.fill_tool_dialog_color_tolerance_input);
        mColorToleranceEditText.setCursorVisible(false);
        mColorToleranceEditText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
            }

            @Override
            public void afterTextChanged(Editable s) {
                try {
                    mColorTolerance = Integer.parseInt(s.toString());
                    if (mColorTolerance > 100) {
                        mColorTolerance = 100;
                        updateColorToleranceText(mColorTolerance);
                    }
                    mColorToleranceSeekBar.setProgress(mColorTolerance);
                    mOnFillToolDialogChangedListener.updateColorTolerance(mColorTolerance);
                } catch (NumberFormatException e) {
                    Log.e("Error parsing tolerance", "result was null");
                }
            }
        });
        mColorToleranceEditText.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (v.getId() == R.id.fill_tool_dialog_color_tolerance_input) {
                    mColorToleranceEditText.setCursorVisible(true);
                }
            }
        });

        builder.setView(view);
        builder.setNeutralButton(R.string.done, this);

        return builder.create();
    }

    @Override
    public void onStart() {
        super.onStart();
        mColorToleranceSeekBar.setProgress(mColorTolerance);
        updateColorToleranceText(mColorTolerance);
    }

    private void updateColorToleranceText(int tolerance) {
        mColorToleranceEditText.setText(String.valueOf(tolerance));
        mColorToleranceEditText.setSelection(mColorToleranceEditText.length());
    }

    public void setOnFillToolDialogChangedListener(OnFillToolDialogChangedListener listener) {
        mOnFillToolDialogChangedListener = listener;
    }

    public int getColorTolerance() {
        return mColorTolerance;
    }

    @Override
    public void onClick(View v) {

    }

    @Override
    public void onClick(DialogInterface dialog, int which) {

    }
}