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path: root/srcs/juloo.keyboard2/CandidatesView.java
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package juloo.keyboard2;

import android.content.Context;
import android.text.InputType;
import android.util.AttributeSet;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;

public class CandidatesView extends LinearLayout
{
  static final int NUM_CANDIDATES = 3;

  Config _config;

  /** Candidates currently visible. Entries can be [null] when there are less
      than [NUM_CANDIDATES] suggestions. */
  String[] _items = new String[NUM_CANDIDATES];

  /** Text views showing the candidates in [_items]. Text views visibility is
      set to [GONE] when there are less than [NUM_CANDIDATES] suggestions. */
  TextView[] _item_views = new TextView[NUM_CANDIDATES];

  public CandidatesView(Context context, AttributeSet attrs)
  {
    super(context, attrs);
    _config = Config.globalConfig();
  }

  @Override
  protected void onFinishInflate()
  {
    super.onFinishInflate();
    setup_item_view(0, R.id.candidates_middle);
    setup_item_view(1, R.id.candidates_right);
    setup_item_view(2, R.id.candidates_left);
  }

  public void set_candidates(List<String> suggestions)
  {
    int s_count = suggestions.size();
    for (int i = 0; i < _item_views.length; i++)
    {
      TextView v = _item_views[i];
      if (i < s_count)
      {
        String it = suggestions.get(i);
        _items[i] = it;
        v.setText(it);
        v.setVisibility(View.VISIBLE);
      }
      else
      {
        _items[i] = null;
        v.setVisibility(View.GONE);
      }
    }
  }

  private void setup_item_view(final int item_index, int item_id)
  {
    TextView v = (TextView)findViewById(item_id);
    v.setOnClickListener(new View.OnClickListener()
        {
          @Override
          public void onClick(View _v)
          {
            String it = _items[item_index];
            if (it != null)
              _config.handler.suggestion_entered(it);
          }
        });
    v.setVisibility(View.GONE);
    _item_views[item_index] = v;
  }

  public static boolean should_show(EditorInfo info)
  {
    int variation = info.inputType & InputType.TYPE_MASK_VARIATION;
    int flags = info.inputType & InputType.TYPE_MASK_FLAGS;
    switch (info.inputType & InputType.TYPE_MASK_CLASS)
    {
      case InputType.TYPE_CLASS_TEXT:
        switch (variation)
        {
          case InputType.TYPE_TEXT_VARIATION_PASSWORD:
          case InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD:
          case InputType.TYPE_TEXT_VARIATION_WEB_PASSWORD:
            return false;
          default:
            if ((flags & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) != 0)
              return false; // Editor requested that we don't show suggestions
            return true;
        }
      case InputType.TYPE_CLASS_NUMBER:
        // Beware of TYPE_NUMBER_VARIATION_PASSWORD
        return false;
      default: return false;
    }
  }
}