com.pixby.texo.EditTools.PositionTool.java Source code

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Here is the source code for com.pixby.texo.EditTools.PositionTool.java

Source

package com.pixby.texo.EditTools;

/*
 * Copyright (c) 2016 David Allen
 *
 * 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.
 *
 */

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.util.ArrayMap;
import android.view.View;
import android.widget.ImageButton;
import android.widget.RadioButton;

import com.pixby.texo.R;

import java.util.Map;

public class PositionTool extends ToolFragment {

    private static final int[] ButtonIdArray = { R.id.buttonN, R.id.buttonNE, R.id.buttonE, R.id.buttonSE,
            R.id.buttonS, R.id.buttonSW, R.id.buttonW, R.id.buttonNW, R.id.buttonCENTER };

    private final ArrayMap<Integer, Position> map = new ArrayMap<>();
    private View.OnClickListener mButtonClickHandler;
    private RadioButton mCurrentChecked;

    public static PositionTool newInstance() {
        PositionTool f = new PositionTool();
        f.mToolViewId = R.layout.position_tool;
        return f;
    }

    private Position idToPosition(int id) {
        return map.get(id);
    }

    private int positionToId() {
        for (Map.Entry<Integer, Position> entry : map.entrySet()) {
            if (entry.getValue() == Position.CENTER) {
                return entry.getKey();
            }
        }
        return R.id.buttonCENTER;
    }

    private void initMap() {
        map.put(R.id.buttonN, Position.N);
        map.put(R.id.buttonNE, Position.NE);
        map.put(R.id.buttonE, Position.E);
        map.put(R.id.buttonSE, Position.SE);
        map.put(R.id.buttonS, Position.S);
        map.put(R.id.buttonSW, Position.SW);
        map.put(R.id.buttonW, Position.W);
        map.put(R.id.buttonNW, Position.NW);
        map.put(R.id.buttonCENTER, Position.CENTER);
    }

    private void initButtons(View v) {
        for (int id : ButtonIdArray) {
            RadioButton b = (RadioButton) v.findViewById(id);
            if (b != null) {
                b.setOnClickListener(mButtonClickHandler);
            }
        }
    }

    @Override
    public void onStart() {
        super.onStart();
        init();
    }

    /*
    set button to center by default
    framework will set on orientation change
     */
    private void init() {
        mCurrentChecked = getCheckedButton();
        if (mCurrentChecked == null) {
            mCurrentChecked = (RadioButton) getView().findViewById(positionToId());
            if (mCurrentChecked != null) {
                mCurrentChecked.setChecked(true);
            }
        }
    }

    @SuppressWarnings("ConstantConditions")
    private RadioButton getCheckedButton() {
        View parentView = getView();
        for (int id : ButtonIdArray) {
            RadioButton b = (RadioButton) parentView.findViewById(id);
            if (b != null && b.isChecked()) {
                return b;
            }
        }
        return null;
    }

    @Override
    public void onViewCreated(View v, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(v, savedInstanceState);

        initMap();

        mButtonClickHandler = new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // uncheck prior button
                mCurrentChecked.setChecked(false);

                mCurrentChecked = (RadioButton) v;
                Position pos = idToPosition(mCurrentChecked.getId());
                getWatermark().moveToLogicalPosition(pos, getEditView().getImageIntrinsicBounds());
                getEditView().invalidate();
            }
        };

        initButtons(v);

        ImageButton okButton = (ImageButton) v.findViewById(R.id.save_button);
        okButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                getListener().onSave(getTag());
            }
        });

        ImageButton cancelButton = (ImageButton) v.findViewById(R.id.cancel_button);
        cancelButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                getEditView().invalidate();
                getListener().onCancel(getTag());
            }
        });
    }
}