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examples / src / main / java / org / distorted / examples / generic / GenericTab.java @ 77e66c58

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2018 Leszek Koltunski                                                               //
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//                                                                                               //
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// This file is part of Distorted.                                                               //
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//                                                                                               //
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// Distorted 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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// Distorted 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 Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.generic;
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import android.os.Bundle;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import org.distorted.examples.R;
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import org.distorted.library.effect.EffectName;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.main.DistortedEffects;
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import java.util.ArrayList;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class GenericTab extends Fragment implements AdapterView.OnItemSelectedListener, View.OnClickListener
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  {
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  private EffectType mType;
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  private ArrayList<GenericEffect> mList;
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  private int mEffectAdd;
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  private EffectName[] mEffectNames;
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  private DistortedEffects mEffects;
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  private String[] mEffectStrings;
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  private int mLayout, mSpinner;
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  private int mChildren;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public GenericTab()
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    {
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    mList = new ArrayList<>();
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    mEffectAdd = 0;
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    mChildren  = 0;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  @Override
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  public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
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    {
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    Bundle args = getArguments();
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    int position = args.getInt("position");
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    int tab  = GenericViewPager.TABS[position][0];
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    mLayout  = GenericViewPager.TABS[position][1];
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    mSpinner = GenericViewPager.TABS[position][2];
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    mType    = EffectType.getType(GenericViewPager.TABS[position][3]);
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    GenericActivity2 act = (GenericActivity2)getActivity();
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    if( act!=null ) mEffects = act.getEffects();
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    createEffectNames(mType);
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    mEffectStrings = new String[mEffectNames.length];
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    for (int i = 0; i < mEffectNames.length; i++)
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      {
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      mEffectStrings[i] = mEffectNames[i].name();
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      }
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    View view = inflater.inflate( tab, container, false);
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    Button add = view.findViewById(R.id.effects3dButtonAdd);
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    add.setOnClickListener(this);
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    Button rem = view.findViewById(R.id.effects3dButtonRemove);
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    rem.setOnClickListener(this);
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    return view;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  @Override
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  public void onStart()
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    {
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    super.onStart();
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    GenericActivity2 act = (GenericActivity2)getActivity();
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    ArrayAdapter<String> adapterEffect = new ArrayAdapter<>( act, android.R.layout.simple_spinner_item, mEffectStrings);
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    adapterEffect.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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    Spinner effectSpinner = act.findViewById(mSpinner);
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    effectSpinner.setOnItemSelectedListener(this);
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    effectSpinner.setAdapter(adapterEffect);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  @Override
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  public void onClick(View v)
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    {
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    int id = v.getId();
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    if( id == R.id.effects3dButtonAdd    ) newEffect();
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    if( id == R.id.effects3dButtonRemove ) removeAll();
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    if( id == R.id.button0dRemove ||
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        id == R.id.button1dRemove ||
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        id == R.id.button2dRemove ||
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        id == R.id.button3dRemove ||
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        id == R.id.button4dRemove ||
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        id == R.id.button5dRemove  ) remove(v);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   @Override
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   public void setUserVisibleHint(boolean isVisibleToUser)
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     {
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     super.setUserVisibleHint(isVisibleToUser);
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     if (isVisibleToUser)
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       {
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       if( mType!=null )
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         {
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         GenericActivity2 act = (GenericActivity2)getActivity();
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         if( act!=null )
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           {
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           GenericViewPager pager = act.getPager();
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           pager.setCurrentTab(mType);
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           act.showRegionAndCenter(null);
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           }
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         }
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       }
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void onItemSelected(AdapterView<?> parent, View view, int pos, long id)
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    {
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    if( parent.getId() == mSpinner )
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      {
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      mEffectAdd = pos;
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public void onNothingSelected(AdapterView<?> parent)
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    {
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void newEffect()
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    {
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    GenericActivity2 act = (GenericActivity2)getActivity();
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    GenericEffect eff = new GenericEffect(mEffectNames[mEffectAdd], act );
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    mList.add(eff);
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    mChildren++;
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    LinearLayout layout = act.findViewById(mLayout);
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    View view = eff.createView(mChildren);
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    layout.addView(view);
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    int dimension = eff.getDimension();
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    Button butt;
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    switch(dimension)
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      {
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      case 0: butt = view.findViewById(R.id.button0dRemove);
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              butt.setOnClickListener(this);
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              break;
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      case 1: butt = view.findViewById(R.id.button1dRemove);
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              butt.setOnClickListener(this);
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              break;
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      case 2: butt = view.findViewById(R.id.button2dRemove);
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              butt.setOnClickListener(this);
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              break;
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      case 3: butt = view.findViewById(R.id.button3dRemove);
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              butt.setOnClickListener(this);
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              break;
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      case 4: butt = view.findViewById(R.id.button4dRemove);
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              butt.setOnClickListener(this);
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              break;
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      case 5: butt = view.findViewById(R.id.button5dRemove);
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              butt.setOnClickListener(this);
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              break;
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      }
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    if( mEffectNames[mEffectAdd].getCenterDimension() > 0 )
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      {
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      View center = eff.createCenter(mChildren);
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      layout.addView(center);
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      }
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    if( mEffectNames[mEffectAdd].getRegionDimension() > 0 )
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      {
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      View region = eff.createRegion(mChildren);
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      layout.addView(region);
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      }
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    eff.apply(mEffects);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void removeAll()
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    {
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    GenericActivity2 act = (GenericActivity2)getActivity();
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    mChildren = 0;
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    mList.clear();
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    LinearLayout layout = act.findViewById(mLayout);
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    layout.removeAllViews();
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    mEffects.abortByType(mType);
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    if( mType==EffectType.MATRIX )
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      {
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      GenericSurfaceView view = act.findViewById(R.id.genericSurfaceView);
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      GenericRenderer renderer= view.getRenderer();
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      renderer.resetMatrixEffects();
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      }
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    if( mType==EffectType.VERTEX )
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      {
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      GenericSurfaceView view = act.findViewById(R.id.genericSurfaceView);
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      GenericRenderer renderer= view.getRenderer();
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      renderer.resetVertexEffects();
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void remove(View v)
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    {
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    for(GenericEffect effect: mList)
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      {
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      if( effect.thisView(v) )
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        {
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        GenericActivity2 act = (GenericActivity2)getActivity();
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        LinearLayout layout = act.findViewById(mLayout);
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        View view;
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        view = effect.getEffect();
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        if( view!=null ) layout.removeView(view);
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        view = effect.getCenter();
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        if( view!=null ) layout.removeView(view);
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        view = effect.getRegion();
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        if( view!=null ) layout.removeView(view);
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        mEffects.abortById(effect.getId());
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        int index = mList.indexOf(effect);
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        int capac = mList.size();
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        for(int i=index+1; i<capac; i++)
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          {
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          mList.get(i).setBackground(i-1);
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          }
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        mList.remove(effect);
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        mChildren--;
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        break;
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        }
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void createEffectNames(EffectType type)
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    {
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    EffectName[] names = EffectName.values();
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    int numEffects=0;
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    for( EffectName name: names )
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      if( name.getType() == type ) numEffects++;
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    mEffectNames = new EffectName[numEffects];
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    numEffects=0;
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    for( EffectName name: names )
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      if( name.getType() == type )
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        {
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        mEffectNames[numEffects++] = name;
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        }
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    }
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  }