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magiccube / src / main / java / org / distorted / helpers / TransparentImageButton.java @ 525a9a85

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 Leszek Koltunski                                                               //
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//                                                                                               //
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// This file is part of Magic Cube.                                                              //
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//                                                                                               //
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// Magic Cube is free software: you can redistribute it and/or modify                            //
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// it under the terms of the GNU General Public License as published by                          //
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// the Free Software Foundation, either version 2 of the License, or                             //
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// (at your option) any later version.                                                           //
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//                                                                                               //
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// Magic Cube is distributed in the hope that it will be useful,                                 //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //
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// GNU General Public License for more details.                                                  //
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//                                                                                               //
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// You should have received a copy of the GNU General Public License                             //
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// along with Magic Cube.  If not, see <http://www.gnu.org/licenses/>.                           //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.helpers;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.util.TypedValue;
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import android.widget.LinearLayout;
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import com.google.android.material.button.MaterialButton;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@SuppressLint("ViewConstructor")
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public class TransparentImageButton extends MaterialButton
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{
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  public static final int GRAVITY_START  = 0;
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  public static final int GRAVITY_MIDDLE = 1;
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  public static final int GRAVITY_END    = 2;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public TransparentImageButton(Context context, int icon, int gravity, LinearLayout.LayoutParams params)
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    {
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    super(context);
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    setLayoutParams(params);
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    setPadding(0,0,0,0);
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    setIconResource(icon);
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    setIconTint(null);
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    switch(gravity)
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      {
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      case GRAVITY_START : setIconGravity(MaterialButton.ICON_GRAVITY_START     ); break;
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      case GRAVITY_MIDDLE: setIconGravity(MaterialButton.ICON_GRAVITY_TEXT_START); break;
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      case GRAVITY_END   : setIconGravity(MaterialButton.ICON_GRAVITY_END       ); break;
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      }
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    TypedValue outValue = new TypedValue();
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    context.getTheme().resolveAttribute(android.R.attr.selectableItemBackgroundBorderless, outValue, true);
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    setBackgroundResource(outValue.resourceId);
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    }
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}